http://git-wip-us.apache.org/repos/asf/hbase-site/blob/e11cf2cb/devapidocs/src-html/org/apache/hadoop/hbase/master/HMaster.html ---------------------------------------------------------------------- diff --git a/devapidocs/src-html/org/apache/hadoop/hbase/master/HMaster.html b/devapidocs/src-html/org/apache/hadoop/hbase/master/HMaster.html index 42d0637..eb16038 100644 --- a/devapidocs/src-html/org/apache/hadoop/hbase/master/HMaster.html +++ b/devapidocs/src-html/org/apache/hadoop/hbase/master/HMaster.html @@ -80,21 +80,21 @@ <span class="sourceLineNo">072</span>import org.apache.hadoop.hbase.PleaseHoldException;<a name="line.72"></a> <span class="sourceLineNo">073</span>import org.apache.hadoop.hbase.ReplicationPeerNotFoundException;<a name="line.73"></a> <span class="sourceLineNo">074</span>import org.apache.hadoop.hbase.ScheduledChore;<a name="line.74"></a> -<span class="sourceLineNo">075</span>import org.apache.hadoop.hbase.ServerMetricsBuilder;<a name="line.75"></a> -<span class="sourceLineNo">076</span>import org.apache.hadoop.hbase.ServerName;<a name="line.76"></a> -<span class="sourceLineNo">077</span>import org.apache.hadoop.hbase.TableDescriptors;<a name="line.77"></a> -<span class="sourceLineNo">078</span>import org.apache.hadoop.hbase.TableName;<a name="line.78"></a> -<span class="sourceLineNo">079</span>import org.apache.hadoop.hbase.TableNotDisabledException;<a name="line.79"></a> -<span class="sourceLineNo">080</span>import org.apache.hadoop.hbase.TableNotFoundException;<a name="line.80"></a> -<span class="sourceLineNo">081</span>import org.apache.hadoop.hbase.UnknownRegionException;<a name="line.81"></a> -<span class="sourceLineNo">082</span>import org.apache.hadoop.hbase.client.ColumnFamilyDescriptor;<a name="line.82"></a> -<span class="sourceLineNo">083</span>import org.apache.hadoop.hbase.client.ColumnFamilyDescriptorBuilder;<a name="line.83"></a> -<span class="sourceLineNo">084</span>import org.apache.hadoop.hbase.client.MasterSwitchType;<a name="line.84"></a> -<span class="sourceLineNo">085</span>import org.apache.hadoop.hbase.client.RegionInfo;<a name="line.85"></a> -<span class="sourceLineNo">086</span>import org.apache.hadoop.hbase.client.Result;<a name="line.86"></a> -<span class="sourceLineNo">087</span>import org.apache.hadoop.hbase.client.TableDescriptor;<a name="line.87"></a> -<span class="sourceLineNo">088</span>import org.apache.hadoop.hbase.client.TableDescriptorBuilder;<a name="line.88"></a> -<span class="sourceLineNo">089</span>import org.apache.hadoop.hbase.client.TableState;<a name="line.89"></a> +<span class="sourceLineNo">075</span>import org.apache.hadoop.hbase.ServerName;<a name="line.75"></a> +<span class="sourceLineNo">076</span>import org.apache.hadoop.hbase.TableDescriptors;<a name="line.76"></a> +<span class="sourceLineNo">077</span>import org.apache.hadoop.hbase.TableName;<a name="line.77"></a> +<span class="sourceLineNo">078</span>import org.apache.hadoop.hbase.TableNotDisabledException;<a name="line.78"></a> +<span class="sourceLineNo">079</span>import org.apache.hadoop.hbase.TableNotFoundException;<a name="line.79"></a> +<span class="sourceLineNo">080</span>import org.apache.hadoop.hbase.UnknownRegionException;<a name="line.80"></a> +<span class="sourceLineNo">081</span>import org.apache.hadoop.hbase.client.ColumnFamilyDescriptor;<a name="line.81"></a> +<span class="sourceLineNo">082</span>import org.apache.hadoop.hbase.client.ColumnFamilyDescriptorBuilder;<a name="line.82"></a> +<span class="sourceLineNo">083</span>import org.apache.hadoop.hbase.client.MasterSwitchType;<a name="line.83"></a> +<span class="sourceLineNo">084</span>import org.apache.hadoop.hbase.client.RegionInfo;<a name="line.84"></a> +<span class="sourceLineNo">085</span>import org.apache.hadoop.hbase.client.Result;<a name="line.85"></a> +<span class="sourceLineNo">086</span>import org.apache.hadoop.hbase.client.TableDescriptor;<a name="line.86"></a> +<span class="sourceLineNo">087</span>import org.apache.hadoop.hbase.client.TableDescriptorBuilder;<a name="line.87"></a> +<span class="sourceLineNo">088</span>import org.apache.hadoop.hbase.client.TableState;<a name="line.88"></a> +<span class="sourceLineNo">089</span>import org.apache.hadoop.hbase.client.VersionInfoUtil;<a name="line.89"></a> <span class="sourceLineNo">090</span>import org.apache.hadoop.hbase.coprocessor.CoprocessorHost;<a name="line.90"></a> <span class="sourceLineNo">091</span>import org.apache.hadoop.hbase.exceptions.DeserializationException;<a name="line.91"></a> <span class="sourceLineNo">092</span>import org.apache.hadoop.hbase.exceptions.MergeRegionException;<a name="line.92"></a> @@ -220,3477 +220,3481 @@ <span class="sourceLineNo">212</span><a name="line.212"></a> <span class="sourceLineNo">213</span>import org.apache.hadoop.hbase.shaded.protobuf.ProtobufUtil;<a name="line.213"></a> <span class="sourceLineNo">214</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.AdminProtos.GetRegionInfoResponse.CompactionState;<a name="line.214"></a> -<span class="sourceLineNo">215</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.HBaseProtos.RegionServerInfo;<a name="line.215"></a> -<span class="sourceLineNo">216</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.QuotaProtos.Quotas;<a name="line.216"></a> -<span class="sourceLineNo">217</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.QuotaProtos.SpaceViolationPolicy;<a name="line.217"></a> -<span class="sourceLineNo">218</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.SnapshotProtos.SnapshotDescription;<a name="line.218"></a> -<span class="sourceLineNo">219</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.WALProtos;<a name="line.219"></a> -<span class="sourceLineNo">220</span><a name="line.220"></a> -<span class="sourceLineNo">221</span>/**<a name="line.221"></a> -<span class="sourceLineNo">222</span> * HMaster is the "master server" for HBase. An HBase cluster has one active<a name="line.222"></a> -<span class="sourceLineNo">223</span> * master. If many masters are started, all compete. Whichever wins goes on to<a name="line.223"></a> -<span class="sourceLineNo">224</span> * run the cluster. All others park themselves in their constructor until<a name="line.224"></a> -<span class="sourceLineNo">225</span> * master or cluster shutdown or until the active master loses its lease in<a name="line.225"></a> -<span class="sourceLineNo">226</span> * zookeeper. Thereafter, all running master jostle to take over master role.<a name="line.226"></a> -<span class="sourceLineNo">227</span> *<a name="line.227"></a> -<span class="sourceLineNo">228</span> * <p>The Master can be asked shutdown the cluster. See {@link #shutdown()}. In<a name="line.228"></a> -<span class="sourceLineNo">229</span> * this case it will tell all regionservers to go down and then wait on them<a name="line.229"></a> -<span class="sourceLineNo">230</span> * all reporting in that they are down. This master will then shut itself down.<a name="line.230"></a> -<span class="sourceLineNo">231</span> *<a name="line.231"></a> -<span class="sourceLineNo">232</span> * <p>You can also shutdown just this master. Call {@link #stopMaster()}.<a name="line.232"></a> -<span class="sourceLineNo">233</span> *<a name="line.233"></a> -<span class="sourceLineNo">234</span> * @see org.apache.zookeeper.Watcher<a name="line.234"></a> -<span class="sourceLineNo">235</span> */<a name="line.235"></a> -<span class="sourceLineNo">236</span>@InterfaceAudience.LimitedPrivate(HBaseInterfaceAudience.TOOLS)<a name="line.236"></a> -<span class="sourceLineNo">237</span>@SuppressWarnings("deprecation")<a name="line.237"></a> -<span class="sourceLineNo">238</span>public class HMaster extends HRegionServer implements MasterServices {<a name="line.238"></a> -<span class="sourceLineNo">239</span> private static Logger LOG = LoggerFactory.getLogger(HMaster.class.getName());<a name="line.239"></a> -<span class="sourceLineNo">240</span><a name="line.240"></a> -<span class="sourceLineNo">241</span> /**<a name="line.241"></a> -<span class="sourceLineNo">242</span> * Protection against zombie master. Started once Master accepts active responsibility and<a name="line.242"></a> -<span class="sourceLineNo">243</span> * starts taking over responsibilities. Allows a finite time window before giving up ownership.<a name="line.243"></a> -<span class="sourceLineNo">244</span> */<a name="line.244"></a> -<span class="sourceLineNo">245</span> private static class InitializationMonitor extends HasThread {<a name="line.245"></a> -<span class="sourceLineNo">246</span> /** The amount of time in milliseconds to sleep before checking initialization status. */<a name="line.246"></a> -<span class="sourceLineNo">247</span> public static final String TIMEOUT_KEY = "hbase.master.initializationmonitor.timeout";<a name="line.247"></a> -<span class="sourceLineNo">248</span> public static final long TIMEOUT_DEFAULT = TimeUnit.MILLISECONDS.convert(15, TimeUnit.MINUTES);<a name="line.248"></a> -<span class="sourceLineNo">249</span><a name="line.249"></a> -<span class="sourceLineNo">250</span> /**<a name="line.250"></a> -<span class="sourceLineNo">251</span> * When timeout expired and initialization has not complete, call {@link System#exit(int)} when<a name="line.251"></a> -<span class="sourceLineNo">252</span> * true, do nothing otherwise.<a name="line.252"></a> -<span class="sourceLineNo">253</span> */<a name="line.253"></a> -<span class="sourceLineNo">254</span> public static final String HALT_KEY = "hbase.master.initializationmonitor.haltontimeout";<a name="line.254"></a> -<span class="sourceLineNo">255</span> public static final boolean HALT_DEFAULT = false;<a name="line.255"></a> -<span class="sourceLineNo">256</span><a name="line.256"></a> -<span class="sourceLineNo">257</span> private final HMaster master;<a name="line.257"></a> -<span class="sourceLineNo">258</span> private final long timeout;<a name="line.258"></a> -<span class="sourceLineNo">259</span> private final boolean haltOnTimeout;<a name="line.259"></a> -<span class="sourceLineNo">260</span><a name="line.260"></a> -<span class="sourceLineNo">261</span> /** Creates a Thread that monitors the {@link #isInitialized()} state. */<a name="line.261"></a> -<span class="sourceLineNo">262</span> InitializationMonitor(HMaster master) {<a name="line.262"></a> -<span class="sourceLineNo">263</span> super("MasterInitializationMonitor");<a name="line.263"></a> -<span class="sourceLineNo">264</span> this.master = master;<a name="line.264"></a> -<span class="sourceLineNo">265</span> this.timeout = master.getConfiguration().getLong(TIMEOUT_KEY, TIMEOUT_DEFAULT);<a name="line.265"></a> -<span class="sourceLineNo">266</span> this.haltOnTimeout = master.getConfiguration().getBoolean(HALT_KEY, HALT_DEFAULT);<a name="line.266"></a> -<span class="sourceLineNo">267</span> this.setDaemon(true);<a name="line.267"></a> -<span class="sourceLineNo">268</span> }<a name="line.268"></a> -<span class="sourceLineNo">269</span><a name="line.269"></a> -<span class="sourceLineNo">270</span> @Override<a name="line.270"></a> -<span class="sourceLineNo">271</span> public void run() {<a name="line.271"></a> -<span class="sourceLineNo">272</span> try {<a name="line.272"></a> -<span class="sourceLineNo">273</span> while (!master.isStopped() && master.isActiveMaster()) {<a name="line.273"></a> -<span class="sourceLineNo">274</span> Thread.sleep(timeout);<a name="line.274"></a> -<span class="sourceLineNo">275</span> if (master.isInitialized()) {<a name="line.275"></a> -<span class="sourceLineNo">276</span> LOG.debug("Initialization completed within allotted tolerance. Monitor exiting.");<a name="line.276"></a> -<span class="sourceLineNo">277</span> } else {<a name="line.277"></a> -<span class="sourceLineNo">278</span> LOG.error("Master failed to complete initialization after " + timeout + "ms. Please"<a name="line.278"></a> -<span class="sourceLineNo">279</span> + " consider submitting a bug report including a thread dump of this process.");<a name="line.279"></a> -<span class="sourceLineNo">280</span> if (haltOnTimeout) {<a name="line.280"></a> -<span class="sourceLineNo">281</span> LOG.error("Zombie Master exiting. Thread dump to stdout");<a name="line.281"></a> -<span class="sourceLineNo">282</span> Threads.printThreadInfo(System.out, "Zombie HMaster");<a name="line.282"></a> -<span class="sourceLineNo">283</span> System.exit(-1);<a name="line.283"></a> -<span class="sourceLineNo">284</span> }<a name="line.284"></a> -<span class="sourceLineNo">285</span> }<a name="line.285"></a> -<span class="sourceLineNo">286</span> }<a name="line.286"></a> -<span class="sourceLineNo">287</span> } catch (InterruptedException ie) {<a name="line.287"></a> -<span class="sourceLineNo">288</span> LOG.trace("InitMonitor thread interrupted. Existing.");<a name="line.288"></a> -<span class="sourceLineNo">289</span> }<a name="line.289"></a> -<span class="sourceLineNo">290</span> }<a name="line.290"></a> -<span class="sourceLineNo">291</span> }<a name="line.291"></a> -<span class="sourceLineNo">292</span><a name="line.292"></a> -<span class="sourceLineNo">293</span> // MASTER is name of the webapp and the attribute name used stuffing this<a name="line.293"></a> -<span class="sourceLineNo">294</span> //instance into web context.<a name="line.294"></a> -<span class="sourceLineNo">295</span> public static final String MASTER = "master";<a name="line.295"></a> -<span class="sourceLineNo">296</span><a name="line.296"></a> -<span class="sourceLineNo">297</span> // Manager and zk listener for master election<a name="line.297"></a> -<span class="sourceLineNo">298</span> private final ActiveMasterManager activeMasterManager;<a name="line.298"></a> -<span class="sourceLineNo">299</span> // Region server tracker<a name="line.299"></a> -<span class="sourceLineNo">300</span> RegionServerTracker regionServerTracker;<a name="line.300"></a> -<span class="sourceLineNo">301</span> // Draining region server tracker<a name="line.301"></a> -<span class="sourceLineNo">302</span> private DrainingServerTracker drainingServerTracker;<a name="line.302"></a> -<span class="sourceLineNo">303</span> // Tracker for load balancer state<a name="line.303"></a> -<span class="sourceLineNo">304</span> LoadBalancerTracker loadBalancerTracker;<a name="line.304"></a> -<span class="sourceLineNo">305</span> // Tracker for meta location, if any client ZK quorum specified<a name="line.305"></a> -<span class="sourceLineNo">306</span> MetaLocationSyncer metaLocationSyncer;<a name="line.306"></a> -<span class="sourceLineNo">307</span> // Tracker for active master location, if any client ZK quorum specified<a name="line.307"></a> -<span class="sourceLineNo">308</span> MasterAddressSyncer masterAddressSyncer;<a name="line.308"></a> -<span class="sourceLineNo">309</span><a name="line.309"></a> -<span class="sourceLineNo">310</span> // Tracker for split and merge state<a name="line.310"></a> -<span class="sourceLineNo">311</span> private SplitOrMergeTracker splitOrMergeTracker;<a name="line.311"></a> -<span class="sourceLineNo">312</span><a name="line.312"></a> -<span class="sourceLineNo">313</span> // Tracker for region normalizer state<a name="line.313"></a> -<span class="sourceLineNo">314</span> private RegionNormalizerTracker regionNormalizerTracker;<a name="line.314"></a> -<span class="sourceLineNo">315</span><a name="line.315"></a> -<span class="sourceLineNo">316</span> //Tracker for master maintenance mode setting<a name="line.316"></a> -<span class="sourceLineNo">317</span> private MasterMaintenanceModeTracker maintenanceModeTracker;<a name="line.317"></a> -<span class="sourceLineNo">318</span><a name="line.318"></a> -<span class="sourceLineNo">319</span> private ClusterSchemaService clusterSchemaService;<a name="line.319"></a> -<span class="sourceLineNo">320</span><a name="line.320"></a> -<span class="sourceLineNo">321</span> public static final String HBASE_MASTER_WAIT_ON_SERVICE_IN_SECONDS =<a name="line.321"></a> -<span class="sourceLineNo">322</span> "hbase.master.wait.on.service.seconds";<a name="line.322"></a> -<span class="sourceLineNo">323</span> public static final int DEFAULT_HBASE_MASTER_WAIT_ON_SERVICE_IN_SECONDS = 5 * 60;<a name="line.323"></a> -<span class="sourceLineNo">324</span><a name="line.324"></a> -<span class="sourceLineNo">325</span> // Metrics for the HMaster<a name="line.325"></a> -<span class="sourceLineNo">326</span> final MetricsMaster metricsMaster;<a name="line.326"></a> -<span class="sourceLineNo">327</span> // file system manager for the master FS operations<a name="line.327"></a> -<span class="sourceLineNo">328</span> private MasterFileSystem fileSystemManager;<a name="line.328"></a> -<span class="sourceLineNo">329</span> private MasterWalManager walManager;<a name="line.329"></a> -<span class="sourceLineNo">330</span><a name="line.330"></a> -<span class="sourceLineNo">331</span> // server manager to deal with region server info<a name="line.331"></a> -<span class="sourceLineNo">332</span> private volatile ServerManager serverManager;<a name="line.332"></a> -<span class="sourceLineNo">333</span><a name="line.333"></a> -<span class="sourceLineNo">334</span> // manager of assignment nodes in zookeeper<a name="line.334"></a> -<span class="sourceLineNo">335</span> private AssignmentManager assignmentManager;<a name="line.335"></a> -<span class="sourceLineNo">336</span><a name="line.336"></a> -<span class="sourceLineNo">337</span> // manager of replication<a name="line.337"></a> -<span class="sourceLineNo">338</span> private ReplicationPeerManager replicationPeerManager;<a name="line.338"></a> -<span class="sourceLineNo">339</span><a name="line.339"></a> -<span class="sourceLineNo">340</span> // buffer for "fatal error" notices from region servers<a name="line.340"></a> -<span class="sourceLineNo">341</span> // in the cluster. This is only used for assisting<a name="line.341"></a> -<span class="sourceLineNo">342</span> // operations/debugging.<a name="line.342"></a> -<span class="sourceLineNo">343</span> MemoryBoundedLogMessageBuffer rsFatals;<a name="line.343"></a> -<span class="sourceLineNo">344</span><a name="line.344"></a> -<span class="sourceLineNo">345</span> // flag set after we become the active master (used for testing)<a name="line.345"></a> -<span class="sourceLineNo">346</span> private volatile boolean activeMaster = false;<a name="line.346"></a> -<span class="sourceLineNo">347</span><a name="line.347"></a> -<span class="sourceLineNo">348</span> // flag set after we complete initialization once active<a name="line.348"></a> -<span class="sourceLineNo">349</span> private final ProcedureEvent<?> initialized = new ProcedureEvent<>("master initialized");<a name="line.349"></a> -<span class="sourceLineNo">350</span><a name="line.350"></a> -<span class="sourceLineNo">351</span> // flag set after master services are started,<a name="line.351"></a> -<span class="sourceLineNo">352</span> // initialization may have not completed yet.<a name="line.352"></a> -<span class="sourceLineNo">353</span> volatile boolean serviceStarted = false;<a name="line.353"></a> -<span class="sourceLineNo">354</span><a name="line.354"></a> -<span class="sourceLineNo">355</span> // flag set after we complete assignMeta.<a name="line.355"></a> -<span class="sourceLineNo">356</span> private final ProcedureEvent<?> serverCrashProcessingEnabled =<a name="line.356"></a> -<span class="sourceLineNo">357</span> new ProcedureEvent<>("server crash processing");<a name="line.357"></a> -<span class="sourceLineNo">358</span><a name="line.358"></a> -<span class="sourceLineNo">359</span> // Maximum time we should run balancer for<a name="line.359"></a> -<span class="sourceLineNo">360</span> private final int maxBlancingTime;<a name="line.360"></a> -<span class="sourceLineNo">361</span> // Maximum percent of regions in transition when balancing<a name="line.361"></a> -<span class="sourceLineNo">362</span> private final double maxRitPercent;<a name="line.362"></a> -<span class="sourceLineNo">363</span><a name="line.363"></a> -<span class="sourceLineNo">364</span> private final LockManager lockManager = new LockManager(this);<a name="line.364"></a> -<span class="sourceLineNo">365</span><a name="line.365"></a> -<span class="sourceLineNo">366</span> private LoadBalancer balancer;<a name="line.366"></a> -<span class="sourceLineNo">367</span> private RegionNormalizer normalizer;<a name="line.367"></a> -<span class="sourceLineNo">368</span> private BalancerChore balancerChore;<a name="line.368"></a> -<span class="sourceLineNo">369</span> private RegionNormalizerChore normalizerChore;<a name="line.369"></a> -<span class="sourceLineNo">370</span> private ClusterStatusChore clusterStatusChore;<a name="line.370"></a> -<span class="sourceLineNo">371</span> private ClusterStatusPublisher clusterStatusPublisherChore = null;<a name="line.371"></a> -<span class="sourceLineNo">372</span><a name="line.372"></a> -<span class="sourceLineNo">373</span> CatalogJanitor catalogJanitorChore;<a name="line.373"></a> -<span class="sourceLineNo">374</span> private LogCleaner logCleaner;<a name="line.374"></a> -<span class="sourceLineNo">375</span> private HFileCleaner hfileCleaner;<a name="line.375"></a> -<span class="sourceLineNo">376</span> private ReplicationBarrierCleaner replicationBarrierCleaner;<a name="line.376"></a> -<span class="sourceLineNo">377</span> private ExpiredMobFileCleanerChore expiredMobFileCleanerChore;<a name="line.377"></a> -<span class="sourceLineNo">378</span> private MobCompactionChore mobCompactChore;<a name="line.378"></a> -<span class="sourceLineNo">379</span> private MasterMobCompactionThread mobCompactThread;<a name="line.379"></a> -<span class="sourceLineNo">380</span> // used to synchronize the mobCompactionStates<a name="line.380"></a> -<span class="sourceLineNo">381</span> private final IdLock mobCompactionLock = new IdLock();<a name="line.381"></a> -<span class="sourceLineNo">382</span> // save the information of mob compactions in tables.<a name="line.382"></a> -<span class="sourceLineNo">383</span> // the key is table name, the value is the number of compactions in that table.<a name="line.383"></a> -<span class="sourceLineNo">384</span> private Map<TableName, AtomicInteger> mobCompactionStates = Maps.newConcurrentMap();<a name="line.384"></a> -<span class="sourceLineNo">385</span><a name="line.385"></a> -<span class="sourceLineNo">386</span> MasterCoprocessorHost cpHost;<a name="line.386"></a> -<span class="sourceLineNo">387</span><a name="line.387"></a> -<span class="sourceLineNo">388</span> private final boolean preLoadTableDescriptors;<a name="line.388"></a> -<span class="sourceLineNo">389</span><a name="line.389"></a> -<span class="sourceLineNo">390</span> // Time stamps for when a hmaster became active<a name="line.390"></a> -<span class="sourceLineNo">391</span> private long masterActiveTime;<a name="line.391"></a> -<span class="sourceLineNo">392</span><a name="line.392"></a> -<span class="sourceLineNo">393</span> // Time stamp for when HMaster finishes becoming Active Master<a name="line.393"></a> -<span class="sourceLineNo">394</span> private long masterFinishedInitializationTime;<a name="line.394"></a> -<span class="sourceLineNo">395</span><a name="line.395"></a> -<span class="sourceLineNo">396</span> //should we check the compression codec type at master side, default true, HBASE-6370<a name="line.396"></a> -<span class="sourceLineNo">397</span> private final boolean masterCheckCompression;<a name="line.397"></a> -<span class="sourceLineNo">398</span><a name="line.398"></a> -<span class="sourceLineNo">399</span> //should we check encryption settings at master side, default true<a name="line.399"></a> -<span class="sourceLineNo">400</span> private final boolean masterCheckEncryption;<a name="line.400"></a> -<span class="sourceLineNo">401</span><a name="line.401"></a> -<span class="sourceLineNo">402</span> Map<String, Service> coprocessorServiceHandlers = Maps.newHashMap();<a name="line.402"></a> -<span class="sourceLineNo">403</span><a name="line.403"></a> -<span class="sourceLineNo">404</span> // monitor for snapshot of hbase tables<a name="line.404"></a> -<span class="sourceLineNo">405</span> SnapshotManager snapshotManager;<a name="line.405"></a> -<span class="sourceLineNo">406</span> // monitor for distributed procedures<a name="line.406"></a> -<span class="sourceLineNo">407</span> private MasterProcedureManagerHost mpmHost;<a name="line.407"></a> -<span class="sourceLineNo">408</span><a name="line.408"></a> -<span class="sourceLineNo">409</span> // it is assigned after 'initialized' guard set to true, so should be volatile<a name="line.409"></a> -<span class="sourceLineNo">410</span> private volatile MasterQuotaManager quotaManager;<a name="line.410"></a> -<span class="sourceLineNo">411</span> private SpaceQuotaSnapshotNotifier spaceQuotaSnapshotNotifier;<a name="line.411"></a> -<span class="sourceLineNo">412</span> private QuotaObserverChore quotaObserverChore;<a name="line.412"></a> -<span class="sourceLineNo">413</span> private SnapshotQuotaObserverChore snapshotQuotaChore;<a name="line.413"></a> -<span class="sourceLineNo">414</span><a name="line.414"></a> -<span class="sourceLineNo">415</span> private ProcedureExecutor<MasterProcedureEnv> procedureExecutor;<a name="line.415"></a> -<span class="sourceLineNo">416</span> private WALProcedureStore procedureStore;<a name="line.416"></a> -<span class="sourceLineNo">417</span><a name="line.417"></a> -<span class="sourceLineNo">418</span> // handle table states<a name="line.418"></a> -<span class="sourceLineNo">419</span> private TableStateManager tableStateManager;<a name="line.419"></a> -<span class="sourceLineNo">420</span><a name="line.420"></a> -<span class="sourceLineNo">421</span> private long splitPlanCount;<a name="line.421"></a> -<span class="sourceLineNo">422</span> private long mergePlanCount;<a name="line.422"></a> -<span class="sourceLineNo">423</span><a name="line.423"></a> -<span class="sourceLineNo">424</span> /* Handle favored nodes information */<a name="line.424"></a> -<span class="sourceLineNo">425</span> private FavoredNodesManager favoredNodesManager;<a name="line.425"></a> -<span class="sourceLineNo">426</span><a name="line.426"></a> -<span class="sourceLineNo">427</span> /** jetty server for master to redirect requests to regionserver infoServer */<a name="line.427"></a> -<span class="sourceLineNo">428</span> private Server masterJettyServer;<a name="line.428"></a> -<span class="sourceLineNo">429</span><a name="line.429"></a> -<span class="sourceLineNo">430</span> public static class RedirectServlet extends HttpServlet {<a name="line.430"></a> -<span class="sourceLineNo">431</span> private static final long serialVersionUID = 2894774810058302473L;<a name="line.431"></a> -<span class="sourceLineNo">432</span> private final int regionServerInfoPort;<a name="line.432"></a> -<span class="sourceLineNo">433</span> private final String regionServerHostname;<a name="line.433"></a> -<span class="sourceLineNo">434</span><a name="line.434"></a> -<span class="sourceLineNo">435</span> /**<a name="line.435"></a> -<span class="sourceLineNo">436</span> * @param infoServer that we're trying to send all requests to<a name="line.436"></a> -<span class="sourceLineNo">437</span> * @param hostname may be null. if given, will be used for redirects instead of host from client.<a name="line.437"></a> -<span class="sourceLineNo">438</span> */<a name="line.438"></a> -<span class="sourceLineNo">439</span> public RedirectServlet(InfoServer infoServer, String hostname) {<a name="line.439"></a> -<span class="sourceLineNo">440</span> regionServerInfoPort = infoServer.getPort();<a name="line.440"></a> -<span class="sourceLineNo">441</span> regionServerHostname = hostname;<a name="line.441"></a> -<span class="sourceLineNo">442</span> }<a name="line.442"></a> -<span class="sourceLineNo">443</span><a name="line.443"></a> -<span class="sourceLineNo">444</span> @Override<a name="line.444"></a> -<span class="sourceLineNo">445</span> public void doGet(HttpServletRequest request,<a name="line.445"></a> -<span class="sourceLineNo">446</span> HttpServletResponse response) throws ServletException, IOException {<a name="line.446"></a> -<span class="sourceLineNo">447</span> String redirectHost = regionServerHostname;<a name="line.447"></a> -<span class="sourceLineNo">448</span> if(redirectHost == null) {<a name="line.448"></a> -<span class="sourceLineNo">449</span> redirectHost = request.getServerName();<a name="line.449"></a> -<span class="sourceLineNo">450</span> if(!Addressing.isLocalAddress(InetAddress.getByName(redirectHost))) {<a name="line.450"></a> -<span class="sourceLineNo">451</span> LOG.warn("Couldn't resolve '" + redirectHost + "' as an address local to this node and '" +<a name="line.451"></a> -<span class="sourceLineNo">452</span> MASTER_HOSTNAME_KEY + "' is not set; client will get a HTTP 400 response. If " +<a name="line.452"></a> -<span class="sourceLineNo">453</span> "your HBase deployment relies on client accessible names that the region server process " +<a name="line.453"></a> -<span class="sourceLineNo">454</span> "can't resolve locally, then you should set the previously mentioned configuration variable " +<a name="line.454"></a> -<span class="sourceLineNo">455</span> "to an appropriate hostname.");<a name="line.455"></a> -<span class="sourceLineNo">456</span> // no sending client provided input back to the client, so the goal host is just in the logs.<a name="line.456"></a> -<span class="sourceLineNo">457</span> response.sendError(400, "Request was to a host that I can't resolve for any of the network interfaces on " +<a name="line.457"></a> -<span class="sourceLineNo">458</span> "this node. If this is due to an intermediary such as an HTTP load balancer or other proxy, your HBase " +<a name="line.458"></a> -<span class="sourceLineNo">459</span> "administrator can set '" + MASTER_HOSTNAME_KEY + "' to point to the correct hostname.");<a name="line.459"></a> -<span class="sourceLineNo">460</span> return;<a name="line.460"></a> -<span class="sourceLineNo">461</span> }<a name="line.461"></a> -<span class="sourceLineNo">462</span> }<a name="line.462"></a> -<span class="sourceLineNo">463</span> // TODO this scheme should come from looking at the scheme registered in the infoserver's http server for the<a name="line.463"></a> -<span class="sourceLineNo">464</span> // host and port we're using, but it's buried way too deep to do that ATM.<a name="line.464"></a> -<span class="sourceLineNo">465</span> String redirectUrl = request.getScheme() + "://"<a name="line.465"></a> -<span class="sourceLineNo">466</span> + redirectHost + ":" + regionServerInfoPort<a name="line.466"></a> -<span class="sourceLineNo">467</span> + request.getRequestURI();<a name="line.467"></a> -<span class="sourceLineNo">468</span> response.sendRedirect(redirectUrl);<a name="line.468"></a> -<span class="sourceLineNo">469</span> }<a name="line.469"></a> -<span class="sourceLineNo">470</span> }<a name="line.470"></a> -<span class="sourceLineNo">471</span><a name="line.471"></a> -<span class="sourceLineNo">472</span> /**<a name="line.472"></a> -<span class="sourceLineNo">473</span> * Initializes the HMaster. The steps are as follows:<a name="line.473"></a> -<span class="sourceLineNo">474</span> * <p><a name="line.474"></a> -<span class="sourceLineNo">475</span> * <ol><a name="line.475"></a> -<span class="sourceLineNo">476</span> * <li>Initialize the local HRegionServer<a name="line.476"></a> -<span class="sourceLineNo">477</span> * <li>Start the ActiveMasterManager.<a name="line.477"></a> -<span class="sourceLineNo">478</span> * </ol><a name="line.478"></a> -<span class="sourceLineNo">479</span> * <p><a name="line.479"></a> -<span class="sourceLineNo">480</span> * Remaining steps of initialization occur in<a name="line.480"></a> -<span class="sourceLineNo">481</span> * #finishActiveMasterInitialization(MonitoredTask) after<a name="line.481"></a> -<span class="sourceLineNo">482</span> * the master becomes the active one.<a name="line.482"></a> -<span class="sourceLineNo">483</span> */<a name="line.483"></a> -<span class="sourceLineNo">484</span> public HMaster(final Configuration conf)<a name="line.484"></a> -<span class="sourceLineNo">485</span> throws IOException, KeeperException {<a name="line.485"></a> -<span class="sourceLineNo">486</span> super(conf);<a name="line.486"></a> -<span class="sourceLineNo">487</span> TraceUtil.initTracer(conf);<a name="line.487"></a> -<span class="sourceLineNo">488</span> try {<a name="line.488"></a> -<span class="sourceLineNo">489</span> this.rsFatals = new MemoryBoundedLogMessageBuffer(<a name="line.489"></a> -<span class="sourceLineNo">490</span> conf.getLong("hbase.master.buffer.for.rs.fatals", 1 * 1024 * 1024));<a name="line.490"></a> -<span class="sourceLineNo">491</span> LOG.info("hbase.rootdir=" + getRootDir() +<a name="line.491"></a> -<span class="sourceLineNo">492</span> ", hbase.cluster.distributed=" + this.conf.getBoolean(HConstants.CLUSTER_DISTRIBUTED, false));<a name="line.492"></a> -<span class="sourceLineNo">493</span><a name="line.493"></a> -<span class="sourceLineNo">494</span> // Disable usage of meta replicas in the master<a name="line.494"></a> -<span class="sourceLineNo">495</span> this.conf.setBoolean(HConstants.USE_META_REPLICAS, false);<a name="line.495"></a> -<span class="sourceLineNo">496</span><a name="line.496"></a> -<span class="sourceLineNo">497</span> decorateMasterConfiguration(this.conf);<a name="line.497"></a> -<span class="sourceLineNo">498</span><a name="line.498"></a> -<span class="sourceLineNo">499</span> // Hack! Maps DFSClient => Master for logs. HDFS made this<a name="line.499"></a> -<span class="sourceLineNo">500</span> // config param for task trackers, but we can piggyback off of it.<a name="line.500"></a> -<span class="sourceLineNo">501</span> if (this.conf.get("mapreduce.task.attempt.id") == null) {<a name="line.501"></a> -<span class="sourceLineNo">502</span> this.conf.set("mapreduce.task.attempt.id", "hb_m_" + this.serverName.toString());<a name="line.502"></a> -<span class="sourceLineNo">503</span> }<a name="line.503"></a> -<span class="sourceLineNo">504</span><a name="line.504"></a> -<span class="sourceLineNo">505</span> // should we check the compression codec type at master side, default true, HBASE-6370<a name="line.505"></a> -<span class="sourceLineNo">506</span> this.masterCheckCompression = conf.getBoolean("hbase.master.check.compression", true);<a name="line.506"></a> -<span class="sourceLineNo">507</span><a name="line.507"></a> -<span class="sourceLineNo">508</span> // should we check encryption settings at master side, default true<a name="line.508"></a> -<span class="sourceLineNo">509</span> this.masterCheckEncryption = conf.getBoolean("hbase.master.check.encryption", true);<a name="line.509"></a> -<span class="sourceLineNo">510</span><a name="line.510"></a> -<span class="sourceLineNo">511</span> this.metricsMaster = new MetricsMaster(new MetricsMasterWrapperImpl(this));<a name="line.511"></a> -<span class="sourceLineNo">512</span><a name="line.512"></a> -<span class="sourceLineNo">513</span> // preload table descriptor at startup<a name="line.513"></a> -<span class="sourceLineNo">514</span> this.preLoadTableDescriptors = conf.getBoolean("hbase.master.preload.tabledescriptors", true);<a name="line.514"></a> -<span class="sourceLineNo">515</span><a name="line.515"></a> -<span class="sourceLineNo">516</span> this.maxBlancingTime = getMaxBalancingTime();<a name="line.516"></a> -<span class="sourceLineNo">517</span> this.maxRitPercent = conf.getDouble(HConstants.HBASE_MASTER_BALANCER_MAX_RIT_PERCENT,<a name="line.517"></a> -<span class="sourceLineNo">518</span> HConstants.DEFAULT_HBASE_MASTER_BALANCER_MAX_RIT_PERCENT);<a name="line.518"></a> -<span class="sourceLineNo">519</span><a name="line.519"></a> -<span class="sourceLineNo">520</span> // Do we publish the status?<a name="line.520"></a> -<span class="sourceLineNo">521</span><a name="line.521"></a> -<span class="sourceLineNo">522</span> boolean shouldPublish = conf.getBoolean(HConstants.STATUS_PUBLISHED,<a name="line.522"></a> -<span class="sourceLineNo">523</span> HConstants.STATUS_PUBLISHED_DEFAULT);<a name="line.523"></a> -<span class="sourceLineNo">524</span> Class<? extends ClusterStatusPublisher.Publisher> publisherClass =<a name="line.524"></a> -<span class="sourceLineNo">525</span> conf.getClass(ClusterStatusPublisher.STATUS_PUBLISHER_CLASS,<a name="line.525"></a> -<span class="sourceLineNo">526</span> ClusterStatusPublisher.DEFAULT_STATUS_PUBLISHER_CLASS,<a name="line.526"></a> -<span class="sourceLineNo">527</span> ClusterStatusPublisher.Publisher.class);<a name="line.527"></a> -<span class="sourceLineNo">528</span><a name="line.528"></a> -<span class="sourceLineNo">529</span> if (shouldPublish) {<a name="line.529"></a> -<span class="sourceLineNo">530</span> if (publisherClass == null) {<a name="line.530"></a> -<span class="sourceLineNo">531</span> LOG.warn(HConstants.STATUS_PUBLISHED + " is true, but " +<a name="line.531"></a> -<span class="sourceLineNo">532</span> ClusterStatusPublisher.DEFAULT_STATUS_PUBLISHER_CLASS +<a name="line.532"></a> -<span class="sourceLineNo">533</span> " is not set - not publishing status");<a name="line.533"></a> -<span class="sourceLineNo">534</span> } else {<a name="line.534"></a> -<span class="sourceLineNo">535</span> clusterStatusPublisherChore = new ClusterStatusPublisher(this, conf, publisherClass);<a name="line.535"></a> -<span class="sourceLineNo">536</span> getChoreService().scheduleChore(clusterStatusPublisherChore);<a name="line.536"></a> -<span class="sourceLineNo">537</span> }<a name="line.537"></a> -<span class="sourceLineNo">538</span> }<a name="line.538"></a> -<span class="sourceLineNo">539</span><a name="line.539"></a> -<span class="sourceLineNo">540</span> // Some unit tests don't need a cluster, so no zookeeper at all<a name="line.540"></a> -<span class="sourceLineNo">541</span> if (!conf.getBoolean("hbase.testing.nocluster", false)) {<a name="line.541"></a> -<span class="sourceLineNo">542</span> this.activeMasterManager = new ActiveMasterManager(zooKeeper, this.serverName, this);<a name="line.542"></a> -<span class="sourceLineNo">543</span> } else {<a name="line.543"></a> -<span class="sourceLineNo">544</span> this.activeMasterManager = null;<a name="line.544"></a> -<span class="sourceLineNo">545</span> }<a name="line.545"></a> -<span class="sourceLineNo">546</span> } catch (Throwable t) {<a name="line.546"></a> -<span class="sourceLineNo">547</span> // Make sure we log the exception. HMaster is often started via reflection and the<a name="line.547"></a> -<span class="sourceLineNo">548</span> // cause of failed startup is lost.<a name="line.548"></a> -<span class="sourceLineNo">549</span> LOG.error("Failed construction of Master", t);<a name="line.549"></a> -<span class="sourceLineNo">550</span> throw t;<a name="line.550"></a> -<span class="sourceLineNo">551</span> }<a name="line.551"></a> -<span class="sourceLineNo">552</span> }<a name="line.552"></a> -<span class="sourceLineNo">553</span><a name="line.553"></a> -<span class="sourceLineNo">554</span> @Override<a name="line.554"></a> -<span class="sourceLineNo">555</span> protected String getUseThisHostnameInstead(Configuration conf) {<a name="line.555"></a> -<span class="sourceLineNo">556</span> return conf.get(MASTER_HOSTNAME_KEY);<a name="line.556"></a> -<span class="sourceLineNo">557</span> }<a name="line.557"></a> -<span class="sourceLineNo">558</span><a name="line.558"></a> -<span class="sourceLineNo">559</span> // Main run loop. Calls through to the regionserver run loop AFTER becoming active Master; will<a name="line.559"></a> -<span class="sourceLineNo">560</span> // block in here until then.<a name="line.560"></a> -<span class="sourceLineNo">561</span> @Override<a name="line.561"></a> -<span class="sourceLineNo">562</span> public void run() {<a name="line.562"></a> -<span class="sourceLineNo">563</span> try {<a name="line.563"></a> -<span class="sourceLineNo">564</span> if (!conf.getBoolean("hbase.testing.nocluster", false)) {<a name="line.564"></a> -<span class="sourceLineNo">565</span> Threads.setDaemonThreadRunning(new Thread(() -> {<a name="line.565"></a> -<span class="sourceLineNo">566</span> try {<a name="line.566"></a> -<span class="sourceLineNo">567</span> int infoPort = putUpJettyServer();<a name="line.567"></a> -<span class="sourceLineNo">568</span> startActiveMasterManager(infoPort);<a name="line.568"></a> -<span class="sourceLineNo">569</span> } catch (Throwable t) {<a name="line.569"></a> -<span class="sourceLineNo">570</span> // Make sure we log the exception.<a name="line.570"></a> -<span class="sourceLineNo">571</span> String error = "Failed to become Active Master";<a name="line.571"></a> -<span class="sourceLineNo">572</span> LOG.error(error, t);<a name="line.572"></a> -<span class="sourceLineNo">573</span> // Abort should have been called already.<a name="line.573"></a> -<span class="sourceLineNo">574</span> if (!isAborted()) {<a name="line.574"></a> -<span class="sourceLineNo">575</span> abort(error, t);<a name="line.575"></a> -<span class="sourceLineNo">576</span> }<a name="line.576"></a> -<span class="sourceLineNo">577</span> }<a name="line.577"></a> -<span class="sourceLineNo">578</span> }));<a name="line.578"></a> -<span class="sourceLineNo">579</span> }<a name="line.579"></a> -<span class="sourceLineNo">580</span> // Fall in here even if we have been aborted. Need to run the shutdown services and<a name="line.580"></a> -<span class="sourceLineNo">581</span> // the super run call will do this for us.<a name="line.581"></a> -<span class="sourceLineNo">582</span> super.run();<a name="line.582"></a> -<span class="sourceLineNo">583</span> } finally {<a name="line.583"></a> -<span class="sourceLineNo">584</span> if (this.clusterSchemaService != null) {<a name="line.584"></a> -<span class="sourceLineNo">585</span> // If on way out, then we are no longer active master.<a name="line.585"></a> -<span class="sourceLineNo">586</span> this.clusterSchemaService.stopAsync();<a name="line.586"></a> -<span class="sourceLineNo">587</span> try {<a name="line.587"></a> -<span class="sourceLineNo">588</span> this.clusterSchemaService.awaitTerminated(<a name="line.588"></a> -<span class="sourceLineNo">589</span> getConfiguration().getInt(HBASE_MASTER_WAIT_ON_SERVICE_IN_SECONDS,<a name="line.589"></a> -<span class="sourceLineNo">590</span> DEFAULT_HBASE_MASTER_WAIT_ON_SERVICE_IN_SECONDS), TimeUnit.SECONDS);<a name="line.590"></a> -<span class="sourceLineNo">591</span> } catch (TimeoutException te) {<a name="line.591"></a> -<span class="sourceLineNo">592</span> LOG.warn("Failed shutdown of clusterSchemaService", te);<a name="line.592"></a> -<span class="sourceLineNo">593</span> }<a name="line.593"></a> -<span class="sourceLineNo">594</span> }<a name="line.594"></a> -<span class="sourceLineNo">595</span> this.activeMaster = false;<a name="line.595"></a> -<span class="sourceLineNo">596</span> }<a name="line.596"></a> -<span class="sourceLineNo">597</span> }<a name="line.597"></a> -<span class="sourceLineNo">598</span><a name="line.598"></a> -<span class="sourceLineNo">599</span> // return the actual infoPort, -1 means disable info server.<a name="line.599"></a> -<span class="sourceLineNo">600</span> private int putUpJettyServer() throws IOException {<a name="line.600"></a> -<span class="sourceLineNo">601</span> if (!conf.getBoolean("hbase.master.infoserver.redirect", true)) {<a name="line.601"></a> -<span class="sourceLineNo">602</span> return -1;<a name="line.602"></a> -<span class="sourceLineNo">603</span> }<a name="line.603"></a> -<span class="sourceLineNo">604</span> final int infoPort = conf.getInt("hbase.master.info.port.orig",<a name="line.604"></a> -<span class="sourceLineNo">605</span> HConstants.DEFAULT_MASTER_INFOPORT);<a name="line.605"></a> -<span class="sourceLineNo">606</span> // -1 is for disabling info server, so no redirecting<a name="line.606"></a> -<span class="sourceLineNo">607</span> if (infoPort < 0 || infoServer == null) {<a name="line.607"></a> -<span class="sourceLineNo">608</span> return -1;<a name="line.608"></a> -<span class="sourceLineNo">609</span> }<a name="line.609"></a> -<span class="sourceLineNo">610</span> if(infoPort == infoServer.getPort()) {<a name="line.610"></a> -<span class="sourceLineNo">611</span> return infoPort;<a name="line.611"></a> -<span class="sourceLineNo">612</span> }<a name="line.612"></a> -<span class="sourceLineNo">613</span> final String addr = conf.get("hbase.master.info.bindAddress", "0.0.0.0");<a name="line.613"></a> -<span class="sourceLineNo">614</span> if (!Addressing.isLocalAddress(InetAddress.getByName(addr))) {<a name="line.614"></a> -<span class="sourceLineNo">615</span> String msg =<a name="line.615"></a> -<span class="sourceLineNo">616</span> "Failed to start redirecting jetty server. Address " + addr<a name="line.616"></a> -<span class="sourceLineNo">617</span> + " does not belong to this host. Correct configuration parameter: "<a name="line.617"></a> -<span class="sourceLineNo">618</span> + "hbase.master.info.bindAddress";<a name="line.618"></a> -<span class="sourceLineNo">619</span> LOG.error(msg);<a name="line.619"></a> -<span class="sourceLineNo">620</span> throw new IOException(msg);<a name="line.620"></a> -<span class="sourceLineNo">621</span> }<a name="line.621"></a> -<span class="sourceLineNo">622</span><a name="line.622"></a> -<span class="sourceLineNo">623</span> // TODO I'm pretty sure we could just add another binding to the InfoServer run by<a name="line.623"></a> -<span class="sourceLineNo">624</span> // the RegionServer and have it run the RedirectServlet instead of standing up<a name="line.624"></a> -<span class="sourceLineNo">625</span> // a second entire stack here.<a name="line.625"></a> -<span class="sourceLineNo">626</span> masterJettyServer = new Server();<a name="line.626"></a> -<span class="sourceLineNo">627</span> final ServerConnector connector = new ServerConnector(masterJettyServer);<a name="line.627"></a> -<span class="sourceLineNo">628</span> connector.setHost(addr);<a name="line.628"></a> -<span class="sourceLineNo">629</span> connector.setPort(infoPort);<a name="line.629"></a> -<span class="sourceLineNo">630</span> masterJettyServer.addConnector(connector);<a name="line.630"></a> -<span class="sourceLineNo">631</span> masterJettyServer.setStopAtShutdown(true);<a name="line.631"></a> -<span class="sourceLineNo">632</span><a name="line.632"></a> -<span class="sourceLineNo">633</span> final String redirectHostname =<a name="line.633"></a> -<span class="sourceLineNo">634</span> StringUtils.isBlank(useThisHostnameInstead) ? null : useThisHostnameInstead;<a name="line.634"></a> -<span class="sourceLineNo">635</span><a name="line.635"></a> -<span class="sourceLineNo">636</span> final RedirectServlet redirect = new RedirectServlet(infoServer, redirectHostname);<a name="line.636"></a> -<span class="sourceLineNo">637</span> final WebAppContext context = new WebAppContext(null, "/", null, null, null, null, WebAppContext.NO_SESSIONS);<a name="line.637"></a> -<span class="sourceLineNo">638</span> context.addServlet(new ServletHolder(redirect), "/*");<a name="line.638"></a> -<span class="sourceLineNo">639</span> context.setServer(masterJettyServer);<a name="line.639"></a> -<span class="sourceLineNo">640</span><a name="line.640"></a> -<span class="sourceLineNo">641</span> try {<a name="line.641"></a> -<span class="sourceLineNo">642</span> masterJettyServer.start();<a name="line.642"></a> -<span class="sourceLineNo">643</span> } catch (Exception e) {<a name="line.643"></a> -<span class="sourceLineNo">644</span> throw new IOException("Failed to start redirecting jetty server", e);<a name="line.644"></a> -<span class="sourceLineNo">645</span> }<a name="line.645"></a> -<span class="sourceLineNo">646</span> return connector.getLocalPort();<a name="line.646"></a> -<span class="sourceLineNo">647</span> }<a name="line.647"></a> -<span class="sourceLineNo">648</span><a name="line.648"></a> -<span class="sourceLineNo">649</span> @Override<a name="line.649"></a> -<span class="sourceLineNo">650</span> protected Function<TableDescriptorBuilder, TableDescriptorBuilder> getMetaTableObserver() {<a name="line.650"></a> -<span class="sourceLineNo">651</span> return builder -> builder.setRegionReplication(conf.getInt(HConstants.META_REPLICAS_NUM, HConstants.DEFAULT_META_REPLICA_NUM));<a name="line.651"></a> -<span class="sourceLineNo">652</span> }<a name="line.652"></a> -<span class="sourceLineNo">653</span> /**<a name="line.653"></a> -<span class="sourceLineNo">654</span> * For compatibility, if failed with regionserver credentials, try the master one<a name="line.654"></a> -<span class="sourceLineNo">655</span> */<a name="line.655"></a> -<span class="sourceLineNo">656</span> @Override<a name="line.656"></a> -<span class="sourceLineNo">657</span> protected void login(UserProvider user, String host) throws IOException {<a name="line.657"></a> -<span class="sourceLineNo">658</span> try {<a name="line.658"></a> -<span class="sourceLineNo">659</span> super.login(user, host);<a name="line.659"></a> -<span class="sourceLineNo">660</span> } catch (IOException ie) {<a name="line.660"></a> -<span class="sourceLineNo">661</span> user.login("hbase.master.keytab.file",<a name="line.661"></a> -<span class="sourceLineNo">662</span> "hbase.master.kerberos.principal", host);<a name="line.662"></a> -<span class="sourceLineNo">663</span> }<a name="line.663"></a> -<span class="sourceLineNo">664</span> }<a name="line.664"></a> -<span class="sourceLineNo">665</span><a name="line.665"></a> -<span class="sourceLineNo">666</span> /**<a name="line.666"></a> -<span class="sourceLineNo">667</span> * If configured to put regions on active master,<a name="line.667"></a> -<span class="sourceLineNo">668</span> * wait till a backup master becomes active.<a name="line.668"></a> -<span class="sourceLineNo">669</span> * Otherwise, loop till the server is stopped or aborted.<a name="line.669"></a> -<span class="sourceLineNo">670</span> */<a name="line.670"></a> -<span class="sourceLineNo">671</span> @Override<a name="line.671"></a> -<span class="sourceLineNo">672</span> protected void waitForMasterActive(){<a name="line.672"></a> -<span class="sourceLineNo">673</span> boolean tablesOnMaster = LoadBalancer.isTablesOnMaster(conf);<a name="line.673"></a> -<span class="sourceLineNo">674</span> while (!(tablesOnMaster && activeMaster) && !isStopped() && !isAborted()) {<a name="line.674"></a> -<span class="sourceLineNo">675</span> sleeper.sleep();<a name="line.675"></a> -<span class="sourceLineNo">676</span> }<a name="line.676"></a> -<span class="sourceLineNo">677</span> }<a name="line.677"></a> -<span class="sourceLineNo">678</span><a name="line.678"></a> -<span class="sourceLineNo">679</span> @VisibleForTesting<a name="line.679"></a> -<span class="sourceLineNo">680</span> public MasterRpcServices getMasterRpcServices() {<a name="line.680"></a> -<span class="sourceLineNo">681</span> return (MasterRpcServices)rpcServices;<a name="line.681"></a> -<span class="sourceLineNo">682</span> }<a name="line.682"></a> -<span class="sourceLineNo">683</span><a name="line.683"></a> -<span class="sourceLineNo">684</span> public boolean balanceSwitch(final boolean b) throws IOException {<a name="line.684"></a> -<span class="sourceLineNo">685</span> return getMasterRpcServices().switchBalancer(b, BalanceSwitchMode.ASYNC);<a name="line.685"></a> -<span class="sourceLineNo">686</span> }<a name="line.686"></a> -<span class="sourceLineNo">687</span><a name="line.687"></a> -<span class="sourceLineNo">688</span> @Override<a name="line.688"></a> -<span class="sourceLineNo">689</span> protected String getProcessName() {<a name="line.689"></a> -<span class="sourceLineNo">690</span> return MASTER;<a name="line.690"></a> -<span class="sourceLineNo">691</span> }<a name="line.691"></a> -<span class="sourceLineNo">692</span><a name="line.692"></a> -<span class="sourceLineNo">693</span> @Override<a name="line.693"></a> -<span class="sourceLineNo">694</span> protected boolean canCreateBaseZNode() {<a name="line.694"></a> -<span class="sourceLineNo">695</span> return true;<a name="line.695"></a> -<span class="sourceLineNo">696</span> }<a name="line.696"></a> -<span class="sourceLineNo">697</span><a name="line.697"></a> -<span class="sourceLineNo">698</span> @Override<a name="line.698"></a> -<span class="sourceLineNo">699</span> protected boolean canUpdateTableDescriptor() {<a name="line.699"></a> -<span class="sourceLineNo">700</span> return true;<a name="line.700"></a> -<span class="sourceLineNo">701</span> }<a name="line.701"></a> -<span class="sourceLineNo">702</span><a name="line.702"></a> -<span class="sourceLineNo">703</span> @Override<a name="line.703"></a> -<span class="sourceLineNo">704</span> protected RSRpcServices createRpcServices() throws IOException {<a name="line.704"></a> -<span class="sourceLineNo">705</span> return new MasterRpcServices(this);<a name="line.705"></a> -<span class="sourceLineNo">706</span> }<a name="line.706"></a> -<span class="sourceLineNo">707</span><a name="line.707"></a> -<span class="sourceLineNo">708</span> @Override<a name="line.708"></a> -<span class="sourceLineNo">709</span> protected void configureInfoServer() {<a name="line.709"></a> -<span class="sourceLineNo">710</span> infoServer.addServlet("master-status", "/master-status", MasterStatusServlet.class);<a name="line.710"></a> -<span class="sourceLineNo">711</span> infoServer.setAttribute(MASTER, this);<a name="line.711"></a> -<span class="sourceLineNo">712</span> if (LoadBalancer.isTablesOnMaster(conf)) {<a name="line.712"></a> -<span class="sourceLineNo">713</span> super.configureInfoServer();<a name="line.713"></a> -<span class="sourceLineNo">714</span> }<a name="line.714"></a> -<span class="sourceLineNo">715</span> }<a name="line.715"></a> -<span class="sourceLineNo">716</span><a name="line.716"></a> -<span class="sourceLineNo">717</span> @Override<a name="line.717"></a> -<span class="sourceLineNo">718</span> protected Class<? extends HttpServlet> getDumpServlet() {<a name="line.718"></a> -<span class="sourceLineNo">719</span> return MasterDumpServlet.class;<a name="line.719"></a> -<span class="sourceLineNo">720</span> }<a name="line.720"></a> -<span class="sourceLineNo">721</span><a name="line.721"></a> -<span class="sourceLineNo">722</span> @Override<a name="line.722"></a> -<span class="sourceLineNo">723</span> public MetricsMaster getMasterMetrics() {<a name="line.723"></a> -<span class="sourceLineNo">724</span> return metricsMaster;<a name="line.724"></a> -<span class="sourceLineNo">725</span> }<a name="line.725"></a> -<span class="sourceLineNo">726</span><a name="line.726"></a> -<span class="sourceLineNo">727</span> /**<a name="line.727"></a> +<span class="sourceLineNo">215</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.QuotaProtos.Quotas;<a name="line.215"></a> +<span class="sourceLineNo">216</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.QuotaProtos.SpaceViolationPolicy;<a name="line.216"></a> +<span class="sourceLineNo">217</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.SnapshotProtos.SnapshotDescription;<a name="line.217"></a> +<span class="sourceLineNo">218</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.WALProtos;<a name="line.218"></a> +<span class="sourceLineNo">219</span><a name="line.219"></a> +<span class="sourceLineNo">220</span>/**<a name="line.220"></a> +<span class="sourceLineNo">221</span> * HMaster is the "master server" for HBase. An HBase cluster has one active<a name="line.221"></a> +<span class="sourceLineNo">222</span> * master. If many masters are started, all compete. Whichever wins goes on to<a name="line.222"></a> +<span class="sourceLineNo">223</span> * run the cluster. All others park themselves in their constructor until<a name="line.223"></a> +<span class="sourceLineNo">224</span> * master or cluster shutdown or until the active master loses its lease in<a name="line.224"></a> +<span class="sourceLineNo">225</span> * zookeeper. Thereafter, all running master jostle to take over master role.<a name="line.225"></a> +<span class="sourceLineNo">226</span> *<a name="line.226"></a> +<span class="sourceLineNo">227</span> * <p>The Master can be asked shutdown the cluster. See {@link #shutdown()}. In<a name="line.227"></a> +<span class="sourceLineNo">228</span> * this case it will tell all regionservers to go down and then wait on them<a name="line.228"></a> +<span class="sourceLineNo">229</span> * all reporting in that they are down. This master will then shut itself down.<a name="line.229"></a> +<span class="sourceLineNo">230</span> *<a name="line.230"></a> +<span class="sourceLineNo">231</span> * <p>You can also shutdown just this master. Call {@link #stopMaster()}.<a name="line.231"></a> +<span class="sourceLineNo">232</span> *<a name="line.232"></a> +<span class="sourceLineNo">233</span> * @see org.apache.zookeeper.Watcher<a name="line.233"></a> +<span class="sourceLineNo">234</span> */<a name="line.234"></a> +<span class="sourceLineNo">235</span>@InterfaceAudience.LimitedPrivate(HBaseInterfaceAudience.TOOLS)<a name="line.235"></a> +<span class="sourceLineNo">236</span>@SuppressWarnings("deprecation")<a name="line.236"></a> +<span class="sourceLineNo">237</span>public class HMaster extends HRegionServer implements MasterServices {<a name="line.237"></a> +<span class="sourceLineNo">238</span> private static Logger LOG = LoggerFactory.getLogger(HMaster.class.getName());<a name="line.238"></a> +<span class="sourceLineNo">239</span><a name="line.239"></a> +<span class="sourceLineNo">240</span> /**<a name="line.240"></a> +<span class="sourceLineNo">241</span> * Protection against zombie master. Started once Master accepts active responsibility and<a name="line.241"></a> +<span class="sourceLineNo">242</span> * starts taking over responsibilities. Allows a finite time window before giving up ownership.<a name="line.242"></a> +<span class="sourceLineNo">243</span> */<a name="line.243"></a> +<span class="sourceLineNo">244</span> private static class InitializationMonitor extends HasThread {<a name="line.244"></a> +<span class="sourceLineNo">245</span> /** The amount of time in milliseconds to sleep before checking initialization status. */<a name="line.245"></a> +<span class="sourceLineNo">246</span> public static final String TIMEOUT_KEY = "hbase.master.initializationmonitor.timeout";<a name="line.246"></a> +<span class="sourceLineNo">247</span> public static final long TIMEOUT_DEFAULT = TimeUnit.MILLISECONDS.convert(15, TimeUnit.MINUTES);<a name="line.247"></a> +<span class="sourceLineNo">248</span><a name="line.248"></a> +<span class="sourceLineNo">249</span> /**<a name="line.249"></a> +<span class="sourceLineNo">250</span> * When timeout expired and initialization has not complete, call {@link System#exit(int)} when<a name="line.250"></a> +<span class="sourceLineNo">251</span> * true, do nothing otherwise.<a name="line.251"></a> +<span class="sourceLineNo">252</span> */<a name="line.252"></a> +<span class="sourceLineNo">253</span> public static final String HALT_KEY = "hbase.master.initializationmonitor.haltontimeout";<a name="line.253"></a> +<span class="sourceLineNo">254</span> public static final boolean HALT_DEFAULT = false;<a name="line.254"></a> +<span class="sourceLineNo">255</span><a name="line.255"></a> +<span class="sourceLineNo">256</span> private final HMaster master;<a name="line.256"></a> +<span class="sourceLineNo">257</span> private final long timeout;<a name="line.257"></a> +<span class="sourceLineNo">258</span> private final boolean haltOnTimeout;<a name="line.258"></a> +<span class="sourceLineNo">259</span><a name="line.259"></a> +<span class="sourceLineNo">260</span> /** Creates a Thread that monitors the {@link #isInitialized()} state. */<a name="line.260"></a> +<span class="sourceLineNo">261</span> InitializationMonitor(HMaster master) {<a name="line.261"></a> +<span class="sourceLineNo">262</span> super("MasterInitializationMonitor");<a name="line.262"></a> +<span class="sourceLineNo">263</span> this.master = master;<a name="line.263"></a> +<span class="sourceLineNo">264</span> this.timeout = master.getConfiguration().getLong(TIMEOUT_KEY, TIMEOUT_DEFAULT);<a name="line.264"></a> +<span class="sourceLineNo">265</span> this.haltOnTimeout = master.getConfiguration().getBoolean(HALT_KEY, HALT_DEFAULT);<a name="line.265"></a> +<span class="sourceLineNo">266</span> this.setDaemon(true);<a name="line.266"></a> +<span class="sourceLineNo">267</span> }<a name="line.267"></a> +<span class="sourceLineNo">268</span><a name="line.268"></a> +<span class="sourceLineNo">269</span> @Override<a name="line.269"></a> +<span class="sourceLineNo">270</span> public void run() {<a name="line.270"></a> +<span class="sourceLineNo">271</span> try {<a name="line.271"></a> +<span class="sourceLineNo">272</span> while (!master.isStopped() && master.isActiveMaster()) {<a name="line.272"></a> +<span class="sourceLineNo">273</span> Thread.sleep(timeout);<a name="line.273"></a> +<span class="sourceLineNo">274</span> if (master.isInitialized()) {<a name="line.274"></a> +<span class="sourceLineNo">275</span> LOG.debug("Initialization completed within allotted tolerance. Monitor exiting.");<a name="line.275"></a> +<span class="sourceLineNo">276</span> } else {<a name="line.276"></a> +<span class="sourceLineNo">277</span> LOG.error("Master failed to complete initialization after " + timeout + "ms. Please"<a name="line.277"></a> +<span class="sourceLineNo">278</span> + " consider submitting a bug report including a thread dump of this process.");<a name="line.278"></a> +<span class="sourceLineNo">279</span> if (haltOnTimeout) {<a name="line.279"></a> +<span class="sourceLineNo">280</span> LOG.error("Zombie Master exiting. Thread dump to stdout");<a name="line.280"></a> +<span class="sourceLineNo">281</span> Threads.printThreadInfo(System.out, "Zombie HMaster");<a name="line.281"></a> +<span class="sourceLineNo">282</span> System.exit(-1);<a name="line.282"></a> +<span class="sourceLineNo">283</span> }<a name="line.283"></a> +<span class="sourceLineNo">284</span> }<a name="line.284"></a> +<span class="sourceLineNo">285</span> }<a name="line.285"></a> +<span class="sourceLineNo">286</span> } catch (InterruptedException ie) {<a name="line.286"></a> +<span class="sourceLineNo">287</span> LOG.trace("InitMonitor thread interrupted. Existing.");<a name="line.287"></a> +<span class="sourceLineNo">288</span> }<a name="line.288"></a> +<span class="sourceLineNo">289</span> }<a name="line.289"></a> +<span class="sourceLineNo">290</span> }<a name="line.290"></a> +<span class="sourceLineNo">291</span><a name="line.291"></a> +<span class="sourceLineNo">292</span> // MASTER is name of the webapp and the attribute name used stuffing this<a name="line.292"></a> +<span class="sourceLineNo">293</span> //instance into web context.<a name="line.293"></a> +<span class="sourceLineNo">294</span> public static final String MASTER = "master";<a name="line.294"></a> +<span class="sourceLineNo">295</span><a name="line.295"></a> +<span class="sourceLineNo">296</span> // Manager and zk listener for master election<a name="line.296"></a> +<span class="sourceLineNo">297</span> private final ActiveMasterManager activeMasterManager;<a name="line.297"></a> +<span class="sourceLineNo">298</span> // Region server tracker<a name="line.298"></a> +<span class="sourceLineNo">299</span> private RegionServerTracker regionServerTracker;<a name="line.299"></a> +<span class="sourceLineNo">300</span> // Draining region server tracker<a name="line.300"></a> +<span class="sourceLineNo">301</span> private DrainingServerTracker drainingServerTracker;<a name="line.301"></a> +<span class="sourceLineNo">302</span> // Tracker for load balancer state<a name="line.302"></a> +<span class="sourceLineNo">303</span> LoadBalancerTracker loadBalancerTracker;<a name="line.303"></a> +<span class="sourceLineNo">304</span> // Tracker for meta location, if any client ZK quorum specified<a name="line.304"></a> +<span class="sourceLineNo">305</span> MetaLocationSyncer metaLocationSyncer;<a name="line.305"></a> +<span class="sourceLineNo">306</span> // Tracker for active master location, if any client ZK quorum specified<a name="line.306"></a> +<span class="sourceLineNo">307</span> MasterAddressSyncer masterAddressSyncer;<a name="line.307"></a> +<span class="sourceLineNo">308</span><a name="line.308"></a> +<span class="sourceLineNo">309</span> // Tracker for split and merge state<a name="line.309"></a> +<span class="sourceLineNo">310</span> private SplitOrMergeTracker splitOrMergeTracker;<a name="line.310"></a> +<span class="sourceLineNo">311</span><a name="line.311"></a> +<span class="sourceLineNo">312</span> // Tracker for region normalizer state<a name="line.312"></a> +<span class="sourceLineNo">313</span> private RegionNormalizerTracker regionNormalizerTracker;<a name="line.313"></a> +<span class="sourceLineNo">314</span><a name="line.314"></a> +<span class="sourceLineNo">315</span> //Tracker for master maintenance mode setting<a name="line.315"></a> +<span class="sourceLineNo">316</span> private MasterMaintenanceModeTracker maintenanceModeTracker;<a name="line.316"></a> +<span class="sourceLineNo">317</span><a name="line.317"></a> +<span class="sourceLineNo">318</span> private ClusterSchemaService clusterSchemaService;<a name="line.318"></a> +<span class="sourceLineNo">319</span><a name="line.319"></a> +<span class="sourceLineNo">320</span> public static final String HBASE_MASTER_WAIT_ON_SERVICE_IN_SECONDS =<a name="line.320"></a> +<span class="sourceLineNo">321</span> "hbase.master.wait.on.service.seconds";<a name="line.321"></a> +<span class="sourceLineNo">322</span> public static final int DEFAULT_HBASE_MASTER_WAIT_ON_SERVICE_IN_SECONDS = 5 * 60;<a name="line.322"></a> +<span class="sourceLineNo">323</span><a name="line.323"></a> +<span class="sourceLineNo">324</span> // Metrics for the HMaster<a name="line.324"></a> +<span class="sourceLineNo">325</span> final MetricsMaster metricsMaster;<a name="line.325"></a> +<span class="sourceLineNo">326</span> // file system manager for the master FS operations<a name="line.326"></a> +<span class="sourceLineNo">327</span> private MasterFileSystem fileSystemManager;<a name="line.327"></a> +<span class="sourceLineNo">328</span> private MasterWalManager walManager;<a name="line.328"></a> +<span class="sourceLineNo">329</span><a name="line.329"></a> +<span class="sourceLineNo">330</span> // server manager to deal with region server info<a name="line.330"></a> +<span class="sourceLineNo">331</span> private volatile ServerManager serverManager;<a name="line.331"></a> +<span class="sourceLineNo">332</span><a name="line.332"></a> +<span class="sourceLineNo">333</span> // manager of assignment nodes in zookeeper<a name="line.333"></a> +<span class="sourceLineNo">334</span> private AssignmentManager assignmentManager;<a name="line.334"></a> +<span class="sourceLineNo">335</span><a name="line.335"></a> +<span class="sourceLineNo">336</span> // manager of replication<a name="line.336"></a> +<span class="sourceLineNo">337</span> private ReplicationPeerManager replicationPeerManager;<a name="line.337"></a> +<span class="sourceLineNo">338</span><a name="line.338"></a> +<span class="sourceLineNo">339</span> // buffer for "fatal error" notices from region servers<a name="line.339"></a> +<span class="sourceLineNo">340</span> // in the cluster. This is only used for assisting<a name="line.340"></a> +<span class="sourceLineNo">341</span> // operations/debugging.<a name="line.341"></a> +<span class="sourceLineNo">342</span> MemoryBoundedLogMessageBuffer rsFatals;<a name="line.342"></a> +<span class="sourceLineNo">343</span><a name="line.343"></a> +<span class="sourceLineNo">344</span> // flag set after we become the active master (used for testing)<a name="line.344"></a> +<span class="sourceLineNo">345</span> private volatile boolean activeMaster = false;<a name="line.345"></a> +<span class="sourceLineNo">346</span><a name="line.346"></a> +<span class="sourceLineNo">347</span> // flag set after we complete initialization once active<a name="line.347"></a> +<span class="sourceLineNo">348</span> private final ProcedureEvent<?> initialized = new ProcedureEvent<>("master initialized");<a name="line.348"></a> +<span class="sourceLineNo">349</span><a name="line.349"></a> +<span class="sourceLineNo">350</span> // flag set after master services are started,<a name="line.350"></a> +<span class="sourceLineNo">351</span> // initialization may have not completed yet.<a name="line.351"></a> +<span class="sourceLineNo">352</span> volatile boolean serviceStarted = false;<a name="line.352"></a> +<span class="sourceLineNo">353</span><a name="line.353"></a> +<span class="sourceLineNo">354</span> // flag set after we complete assignMeta.<a name="line.354"></a> +<span class="sourceLineNo">355</span> private final ProcedureEvent<?> serverCrashProcessingEnabled =<a name="line.355"></a> +<span class="sourceLineNo">356</span> new ProcedureEvent<>("server crash processing");<a name="line.356"></a> +<span class="sourceLineNo">357</span><a name="line.357"></a> +<span class="sourceLineNo">358</span> // Maximum time we should run balancer for<a name="line.358"></a> +<span class="sourceLineNo">359</span> private final int maxBlancingTime;<a name="line.359"></a> +<span class="sourceLineNo">360</span> // Maximum percent of regions in transition when balancing<a name="line.360"></a> +<span class="sourceLineNo">361</span> private final double maxRitPercent;<a name="line.361"></a> +<span class="sourceLineNo">362</span><a name="line.362"></a> +<span class="sourceLineNo">363</span> private final LockManager lockManager = new LockManager(this);<a name="line.363"></a> +<span class="sourceLineNo">364</span><a name="line.364"></a> +<span class="sourceLineNo">365</span> private LoadBalancer balancer;<a name="line.365"></a> +<span class="sourceLineNo">366</span> private RegionNormalizer normalizer;<a name="line.366"></a> +<span class="sourceLineNo">367</span> private BalancerChore balancerChore;<a name="line.367"></a> +<span class="sourceLineNo">368</span> private RegionNormalizerChore normalizerChore;<a name="line.368"></a> +<span class="sourceLineNo">369</span> private ClusterStatusChore clusterStatusChore;<a name="line.369"></a> +<span class="sourceLineNo">370</span> private ClusterStatusPublisher clusterStatusPublisherChore = null;<a name="line.370"></a> +<span class="sourceLineNo">371</span><a name="line.371"></a> +<span class="sourceLineNo">372</span> CatalogJanitor catalogJanitorChore;<a name="line.372"></a> +<span class="sourceLineNo">373</span> private LogCleaner logCleaner;<a name="line.373"></a> +<span class="sourceLineNo">374</span> private HFileCleaner hfileCleaner;<a name="line.374"></a> +<span class="sourceLineNo">375</span> private ReplicationBarrierCleaner replicationBarrierCleaner;<a name="line.375"></a> +<span class="sourceLineNo">376</span> private ExpiredMobFileCleanerChore expiredMobFileCleanerChore;<a name="line.376"></a> +<span class="sourceLineNo">377</span> private MobCompactionChore mobCompactChore;<a name="line.377"></a> +<span class="sourceLineNo">378</span> private MasterMobCompactionThread mobCompactThread;<a name="line.378"></a> +<span class="sourceLineNo">379</span> // used to synchronize the mobCompactionStates<a name="line.379"></a> +<span class="sourceLineNo">380</span> private final IdLock mobCompactionLock = new IdLock();<a name="line.380"></a> +<span class="sourceLineNo">381</span> // save the information of mob compactions in tables.<a name="line.381"></a> +<span class="sourceLineNo">382</span> // the key is table name, the value is the number of compactions in that table.<a name="line.382"></a> +<span class="sourceLineNo">383</span> private Map<TableName, AtomicInteger> mobCompactionStates = Maps.newConcurrentMap();<a name="line.383"></a> +<span class="sourceLineNo">384</span><a name="line.384"></a> +<span class="sourceLineNo">385</span> MasterCoprocessorHost cpHost;<a name="line.385"></a> +<span class="sourceLineNo">386</span><a name="line.386"></a> +<span class="sourceLineNo">387</span> private final boolean preLoadTableDescriptors;<a name="line.387"></a> +<span class="sourceLineNo">388</span><a name="line.388"></a> +<span class="sourceLineNo">389</span> // Time stamps for when a hmaster became active<a name="line.389"></a> +<span class="sourceLineNo">390</span> private long masterActiveTime;<a name="line.390"></a> +<span class="sourceLineNo">391</span><a name="line.391"></a> +<span class="sourceLineNo">392</span> // Time stamp for when HMaster finishes becoming Active Master<a name="line.392"></a> +<span class="sourceLineNo">393</span> private long masterFinishedInitializationTime;<a name="line.393"></a> +<span class="sourceLineNo">394</span><a name="line.394"></a> +<span class="sourceLineNo">395</span> //should we check the compression codec type at master side, default true, HBASE-6370<a name="line.395"></a> +<span class="sourceLineNo">396</span> private final boolean masterCheckCompression;<a name="line.396"></a> +<span class="sourceLineNo">397</span><a name="line.397"></a> +<span class="sourceLineNo">398</span> //should we check encryption settings at master side, default true<a name="line.398"></a> +<span class="sourceLineNo">399</span> private final boolean masterCheckEncryption;<a name="line.399"></a> +<span class="sourceLineNo">400</span><a name="line.400"></a> +<span class="sourceLineNo">401</span> Map<String, Service> coprocessorServiceHandlers = Maps.newHashMap();<a name="line.401"></a> +<span class="sourceLineNo">402</span><a name="line.402"></a> +<span class="sourceLineNo">403</span> // monitor for snapshot of hbase tables<a name="line.403"></a> +<span class="sourceLineNo">404</span> SnapshotManager snapshotManager;<a name="line.404"></a> +<span class="sourceLineNo">405</span> // monitor for distributed procedures<a name="line.405"></a> +<span class="sourceLineNo">406</span> private MasterProcedureManagerHost mpmHost;<a name="line.406"></a> +<span class="sourceLineNo">407</span><a name="line.407"></a> +<span class="sourceLineNo">408</span> // it is assigned after 'initialized' guard set to true, so should be volatile<a name="line.408"></a> +<span class="sourceLineNo">409</span> private volatile MasterQuotaManager quotaManager;<a name="line.409"></a> +<span class="sourceLineNo">410</span> private SpaceQuotaSnapshotNotifier spaceQuotaSnapshotNotifier;<a name="line.410"></a> +<span class="sourceLineNo">411</span> private QuotaObserverChore quotaObserverChore;<a name="line.411"></a> +<span class="sourceLineNo">412</span> private SnapshotQuotaObserverChore snapshotQuotaChore;<a name="line.412"></a> +<span class="sourceLineNo">413</span><a name="line.413"></a> +<span class="sourceLineNo">414</span> private ProcedureExecutor<MasterProcedureEnv> procedureExecutor;<a name="line.414"></a> +<span class="sourceLineNo">415</span> private WALProcedureStore procedureStore;<a name="line.415"></a> +<span class="sourceLineNo">416</span><a name="line.416"></a> +<span class="sourceLineNo">417</span> // handle table states<a name="line.417"></a> +<span class="sourceLineNo">418</span> private TableStateManager tableStateManager;<a name="line.418"></a> +<span class="sourceLineNo">419</span><a name="line.419"></a> +<span class="sourceLineNo">420</span> private long splitPlanCount;<a name="line.420"></a> +<span class="sourceLineNo">421</span> private long mergePlanCount;<a name="line.421"></a> +<span class="sourceLineNo">422</span><a name="line.422"></a> +<span class="sourceLineNo">423</span> /* Handle favored nodes information */<a name="line.423"></a> +<span class="sourceLineNo">424</span> private FavoredNodesManager favoredNodesManager;<a name="line.424"></a> +<span class="sourceLineNo">425</span><a name="line.425"></a> +<span class="sourceLineNo">426</span> /** jetty server for master to redirect requests to regionserver infoServer */<a name="line.426"></a> +<span class="sourceLineNo">427</span> private Server masterJettyServer;<a name="line.427"></a> +<span class="sourceLineNo">428</span><a name="line.428"></a> +<span class="sourceLineNo">429</span> public static class RedirectServlet extends HttpServlet {<a name="line.429"></a> +<span class="sourceLineNo">430</span> private static final long serialVersionUID = 2894774810058302473L;<a name="line.430"></a> +<span class="sourceLineNo">431</span> private final int regionServerInfoPort;<a name="line.431"></a> +<span class="sourceLineNo">432</span> private final String regionServerHostname;<a name="line.432"></a> +<span class="sourceLineNo">433</span><a name="line.433"></a> +<span class="sourceLineNo">434</span> /**<a name="line.434"></a> +<span class="sourceLineNo">435</span> * @param infoServer that we're trying to send all requests to<a name="line.435"></a> +<span class="sourceLineNo">436</span> * @param hostname may be null. if given, will be used for redirects instead of host from client.<a name="line.436"></a> +<span class="sourceLineNo">437</span> */<a name="line.437"></a> +<span class="sourceLineNo">438</span> public RedirectServlet(InfoServer infoServer, String hostname) {<a name="line.438"></a> +<span class="sourceLineNo">439</span> regionServerInfoPort = infoServer.getPort();<a name="line.439"></a> +<span class="sourceLineNo">440</span> regionServerHostname = hostname;<a name="line.440"></a> +<span class="sourceLineNo">441</span> }<a name="line.441"></a> +<span class="sourceLineNo">442</span><a name="line.442"></a> +<span class="sourceLineNo">443</span> @Override<a name="line.443"></a> +<span class="sourceLineNo">444</span> public void doGet(HttpServletRequest request,<a name="line.444"></a> +<span class="sourceLineNo">445</span> HttpServletResponse response) throws ServletException, IOException {<a name="line.445"></a> +<span class="sourceLineNo">446</span> String redirectHost = regionServerHostname;<a name="line.446"></a> +<span class="sourceLineNo">447</span> if(redirectHost == null) {<a name="line.447"></a> +<span class="sourceLineNo">448</span> redirectHost = request.getServerName();<a name="line.448"></a> +<span class="sourceLineNo">449</span> if(!Addressing.isLocalAddress(InetAddress.getByName(redirectHost))) {<a name="line.449"></a> +<span class="sourceLineNo">450</span> LOG.warn("Couldn't resolve '" + redirectHost + "' as an address local to this node and '" +<a name="line.450"></a> +<span class="sourceLineNo">451</span> MASTER_HOSTNAME_KEY + "' is not set; client will get a HTTP 400 response. If " +<a name="line.451"></a> +<span class="sourceLineNo">452</span> "your HBase deployment relies on client accessible names that the region server process " +<a name="line.452"></a> +<span class="sourceLineNo">453</span> "can't resolve locally, then you should set the previously mentioned configuration variable " +<a name="line.453"></a> +<span class="sourceLineNo">454</span> "to an appropriate hostname.");<a name="line.454"></a> +<span class="sourceLineNo">455</span> // no sending client provided input back to the client, so the goal host is just in the logs.<a name="line.455"></a> +<span class="sourceLineNo">456</span> response.sendError(400, "Request was to a host that I can't resolve for any of the network interfaces on " +<a name="line.456"></a> +<span class="sourceLineNo">457</span> "this node. If this is due to an intermediary such as an HTTP load balancer or other proxy, your HBase " +<a name="line.457"></a> +<span class="sourceLineNo">458</span> "administrator can set '" + MASTER_HOSTNAME_KEY + "' to point to the correct hostname.");<a name="line.458"></a> +<span class="sourceLineNo">459</span> return;<a name="line.459"></a> +<span class="sourceLineNo">460</span> }<a name="line.460"></a> +<span class="sourceLineNo">461</span> }<a name="line.461"></a> +<span class="sourceLineNo">462</span> // TODO this scheme should come from looking at the scheme registered in the infoserver's http server for the<a name="line.462"></a> +<span class="sourceLineNo">463</span> // host and port we're using, but it's buried way too deep to do that ATM.<a name="line.463"></a> +<span class="sourceLineNo">464</span> String redirectUrl = request.getScheme() + "://"<a name="line.464"></a> +<span class="sourceLineNo">465</span> + redirectHost + ":" + regionServerInfoPort<a name="line.465"></a> +<span class="sourceLineNo">466</span> + request.getRequestURI();<a name="line.466"></a> +<span class="sourceLineNo">467</span> response.sendRedirect(redirectUrl);<a name="line.467"></a> +<span class="sourceLineNo">468</span> }<a name="line.468"></a> +<span class="sourceLineNo">469</span> }<a name="line.469"></a> +<span class="sourceLineNo">470</span><a name="line.470"></a> +<span class="sourceLineNo">471</span> /**<a name="line.471"></a> +<span class="sourceLineNo">472</span> * Initializes the HMaster. The steps are as follows:<a name="line.472"></a> +<span class="sourceLineNo">473</span> * <p><a name="line.473"></a> +<span class="sourceLineNo">474</span> * <ol><a name="line.474"></a> +<span class="sourceLineNo">475</span> * <li>Initialize the local HRegionServer<a name="line.475"></a> +<span class="sourceLineNo">476</span> * <li>Start the ActiveMasterManager.<a name="line.476"></a> +<span class="sourceLineNo">477</span> * </ol><a name="line.477"></a> +<span class="sourceLineNo">478</span> * <p><a name="line.478"></a> +<span class="sourceLineNo">479</span> * Remaining steps of initialization occur in<a name="line.479"></a> +<span class="sourceLineNo">480</span> * #finishActiveMasterInitialization(MonitoredTask) after<a name="line.480"></a> +<span class="sourceLineNo">481</span> * the master becomes the active one.<a name="line.481"></a> +<span class="sourceLineNo">482</span> */<a name="line.482"></a> +<span class="sourceLineNo">483</span> public HMaster(final Configuration conf)<a name="line.483"></a> +<span class="sourceLineNo">484</span> throws IOException, KeeperException {<a name="line.484"></a> +<span class="sourceLineNo">485</span> super(conf);<a name="line.485"></a> +<span class="sourceLineNo">486</span> TraceUtil.initTracer(conf);<a name="line.486"></a> +<span class="sourceLineNo">487</span> try {<a name="line.487"></a> +<span class="sourceLineNo">488</span> this.rsFatals = new MemoryBoundedLogMessageBuffer(<a name="line.488"></a> +<span class="sourceLineNo">489</span> conf.getLong("hbase.master.buffer.for.rs.fatals", 1 * 1024 * 1024));<a name="line.489"></a> +<span class="sourceLineNo">490</span> LOG.info("hbase.rootdir=" + getRootDir() +<a name="line.490"></a> +<span class="sourceLineNo">491</span> ", hbase.cluster.distributed=" + this.conf.getBoolean(HConstants.CLUSTER_DISTRIBUTED, false));<a name="line.491"></a> +<span class="sourceLineNo">492</span><a name="line.492"></a> +<span class="sourceLineNo">493</span> // Disable usage of meta replicas in the master<a name="line.493"></a> +<span class="sourceLineNo">494</span> this.conf.setBoolean(HConstants.USE_META_REPLICAS, false);<a name="line.494"></a> +<span class="sourceLineNo">495</span><a name="line.495"></a> +<span class="sourceLineNo">496</span> decorateMasterConfiguration(this.conf);<a name="line.496"></a> +<span class="sourceLineNo">497</span><a name="line.497"></a> +<span class="sourceLineNo">498</span> // Hack! Maps DFSClient => Master for logs. HDFS made this<a name="line.498"></a> +<span class="sourceLineNo">499</span> // config param for task trackers, but we can piggyback off of it.<a name="line.499"></a> +<span class="sourceLineNo">500</span> if (this.conf.get("mapreduce.task.attempt.id") == null) {<a name="line.500"></a> +<span class="sourceLineNo">501</span> this.conf.set("mapreduce.task.attempt.id", "hb_m_" + this.serverName.toString());<a name="line.501"></a> +<span class="sourceLineNo">502</span> }<a name="line.502"></a> +<span class="sourceLineNo">503</span><a name="line.503"></a> +<span class="sourceLineNo">504</span> // should we check the compression codec type at master side, default true, HBASE-6370<a name="line.504"></a> +<span class="sourceLineNo">505</span> this.masterCheckCompression = conf.getBoolean("hbase.master.check.compression", true);<a name="line.505"></a> +<span class="sourceLineNo">506</span><a name="line.506"></a> +<span class="sourceLineNo">507</span> // should we check encryption settings at master side, default true<a name="line.507"></a> +<span class="sourceLineNo">508</span> this.masterCheckEncryption = conf.getBoolean("hbase.master.check.encryption", true);<a name="line.508"></a> +<span class="sourceLineNo">509</span><a name="line.509"></a> +<span class="sourceLineNo">510</span> this.metricsMaster = new MetricsMaster(new MetricsMasterWrapperImpl(this));<a name="line.510"></a> +<span class="sourceLineNo">511</span><a name="line.511"></a> +<span class="sourceLineNo">512</span> // preload table descriptor at startup<a name="line.512"></a> +<span class="sourceLineNo">513</span> this.preLoadTableDescriptors = conf.getBoolean("hbase.master.preload.tabledescriptors", true);<a name="line.513"></a> +<span class="sourceLineNo">514</span><a name="line.514"></a> +<span class="sourceLineNo">515</span> this.maxBlancingTime = getMaxBalancingTime();<a name="line.515"></a> +<span class="sourceLineNo">516</span> this.maxRitPercent = conf.getDouble(HConstants.HBASE_MASTER_BALANCER_MAX_RIT_PERCENT,<a name="line.516"></a> +<span class="sourceLineNo">517</span> HConstants.DEFAULT_HBASE_MASTER_BALANCER_MAX_RIT_PERCENT);<a name="line.517"></a> +<span class="sourceLineNo">518</span><a name="line.518"></a> +<span class="sourceLineNo">519</span> // Do we publish the status?<a name="line.519"></a> +<span class="sourceLineNo">520</span><a name="line.520"></a> +<span class="sourceLineNo">521</span> boolean shouldPublish = conf.getBoolean(HConstants.STATUS_PUBLISHED,<a name="line.521"></a> +<span class="sourceLineNo">522</span> HConstants.STATUS_PUBLISHED_DEFAULT);<a name="line.522"></a> +<span class="sourceLineNo">523</span> Class<? extends ClusterStatusPublisher.Publisher> publisherClass =<a name="line.523"></a> +<span class="sourceLineNo">524</span> conf.getClass(ClusterStatusPublisher.STATUS_PUBLISHER_CLASS,<a name="line.524"></a> +<span class="sourceLineNo">525</span> ClusterStatusPublisher.DEFAULT_STATUS_PUBLISHER_CLASS,<a name="line.525"></a> +<span class="s
<TRUNCATED>
