http://git-wip-us.apache.org/repos/asf/hbase-site/blob/b9b09fec/devapidocs/src-html/org/apache/hadoop/hbase/procedure2/store/wal/WALProcedureStore.SyncMetrics.html ---------------------------------------------------------------------- diff --git a/devapidocs/src-html/org/apache/hadoop/hbase/procedure2/store/wal/WALProcedureStore.SyncMetrics.html b/devapidocs/src-html/org/apache/hadoop/hbase/procedure2/store/wal/WALProcedureStore.SyncMetrics.html index 98ef11a..ab175b6 100644 --- a/devapidocs/src-html/org/apache/hadoop/hbase/procedure2/store/wal/WALProcedureStore.SyncMetrics.html +++ b/devapidocs/src-html/org/apache/hadoop/hbase/procedure2/store/wal/WALProcedureStore.SyncMetrics.html @@ -256,1168 +256,1169 @@ <span class="sourceLineNo">248</span> this.leaseRecovery = leaseRecovery;<a name="line.248"></a> <span class="sourceLineNo">249</span> this.walDir = walDir;<a name="line.249"></a> <span class="sourceLineNo">250</span> this.walArchiveDir = walArchiveDir;<a name="line.250"></a> -<span class="sourceLineNo">251</span> this.fs = walDir.getFileSystem(conf);<a name="line.251"></a> -<span class="sourceLineNo">252</span> this.enforceStreamCapability = conf.getBoolean(CommonFSUtils.UNSAFE_STREAM_CAPABILITY_ENFORCE, true);<a name="line.252"></a> -<span class="sourceLineNo">253</span><a name="line.253"></a> -<span class="sourceLineNo">254</span> // Create the log directory for the procedure store<a name="line.254"></a> -<span class="sourceLineNo">255</span> if (!fs.exists(walDir)) {<a name="line.255"></a> -<span class="sourceLineNo">256</span> if (!fs.mkdirs(walDir)) {<a name="line.256"></a> -<span class="sourceLineNo">257</span> throw new IOException("Unable to mkdir " + walDir);<a name="line.257"></a> -<span class="sourceLineNo">258</span> }<a name="line.258"></a> -<span class="sourceLineNo">259</span> }<a name="line.259"></a> -<span class="sourceLineNo">260</span> // Now that it exists, set the log policy<a name="line.260"></a> -<span class="sourceLineNo">261</span> String storagePolicy =<a name="line.261"></a> -<span class="sourceLineNo">262</span> conf.get(HConstants.WAL_STORAGE_POLICY, HConstants.DEFAULT_WAL_STORAGE_POLICY);<a name="line.262"></a> -<span class="sourceLineNo">263</span> CommonFSUtils.setStoragePolicy(fs, walDir, storagePolicy);<a name="line.263"></a> -<span class="sourceLineNo">264</span><a name="line.264"></a> -<span class="sourceLineNo">265</span> // Create archive dir up front. Rename won't work w/o it up on HDFS.<a name="line.265"></a> -<span class="sourceLineNo">266</span> if (this.walArchiveDir != null && !this.fs.exists(this.walArchiveDir)) {<a name="line.266"></a> -<span class="sourceLineNo">267</span> if (this.fs.mkdirs(this.walArchiveDir)) {<a name="line.267"></a> -<span class="sourceLineNo">268</span> LOG.debug("Created Procedure Store WAL archive dir {}", this.walArchiveDir);<a name="line.268"></a> -<span class="sourceLineNo">269</span> } else {<a name="line.269"></a> -<span class="sourceLineNo">270</span> LOG.warn("Failed create of {}", this.walArchiveDir);<a name="line.270"></a> -<span class="sourceLineNo">271</span> }<a name="line.271"></a> -<span class="sourceLineNo">272</span> }<a name="line.272"></a> -<span class="sourceLineNo">273</span> }<a name="line.273"></a> -<span class="sourceLineNo">274</span><a name="line.274"></a> -<span class="sourceLineNo">275</span> @Override<a name="line.275"></a> -<span class="sourceLineNo">276</span> public void start(int numSlots) throws IOException {<a name="line.276"></a> -<span class="sourceLineNo">277</span> if (!setRunning(true)) {<a name="line.277"></a> -<span class="sourceLineNo">278</span> return;<a name="line.278"></a> -<span class="sourceLineNo">279</span> }<a name="line.279"></a> -<span class="sourceLineNo">280</span><a name="line.280"></a> -<span class="sourceLineNo">281</span> // Init buffer slots<a name="line.281"></a> -<span class="sourceLineNo">282</span> loading.set(true);<a name="line.282"></a> -<span class="sourceLineNo">283</span> runningProcCount = numSlots;<a name="line.283"></a> -<span class="sourceLineNo">284</span> syncMaxSlot = numSlots;<a name="line.284"></a> -<span class="sourceLineNo">285</span> slots = new ByteSlot[numSlots];<a name="line.285"></a> -<span class="sourceLineNo">286</span> slotsCache = new LinkedTransferQueue<>();<a name="line.286"></a> -<span class="sourceLineNo">287</span> while (slotsCache.size() < numSlots) {<a name="line.287"></a> -<span class="sourceLineNo">288</span> slotsCache.offer(new ByteSlot());<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> // Tunings<a name="line.291"></a> -<span class="sourceLineNo">292</span> walCountWarnThreshold =<a name="line.292"></a> -<span class="sourceLineNo">293</span> conf.getInt(WAL_COUNT_WARN_THRESHOLD_CONF_KEY, DEFAULT_WAL_COUNT_WARN_THRESHOLD);<a name="line.293"></a> -<span class="sourceLineNo">294</span> maxRetriesBeforeRoll =<a name="line.294"></a> -<span class="sourceLineNo">295</span> conf.getInt(MAX_RETRIES_BEFORE_ROLL_CONF_KEY, DEFAULT_MAX_RETRIES_BEFORE_ROLL);<a name="line.295"></a> -<span class="sourceLineNo">296</span> maxSyncFailureRoll = conf.getInt(MAX_SYNC_FAILURE_ROLL_CONF_KEY, DEFAULT_MAX_SYNC_FAILURE_ROLL);<a name="line.296"></a> -<span class="sourceLineNo">297</span> waitBeforeRoll = conf.getInt(WAIT_BEFORE_ROLL_CONF_KEY, DEFAULT_WAIT_BEFORE_ROLL);<a name="line.297"></a> -<span class="sourceLineNo">298</span> rollRetries = conf.getInt(ROLL_RETRIES_CONF_KEY, DEFAULT_ROLL_RETRIES);<a name="line.298"></a> -<span class="sourceLineNo">299</span> rollThreshold = conf.getLong(ROLL_THRESHOLD_CONF_KEY, DEFAULT_ROLL_THRESHOLD);<a name="line.299"></a> -<span class="sourceLineNo">300</span> periodicRollMsec = conf.getInt(PERIODIC_ROLL_CONF_KEY, DEFAULT_PERIODIC_ROLL);<a name="line.300"></a> -<span class="sourceLineNo">301</span> syncWaitMsec = conf.getInt(SYNC_WAIT_MSEC_CONF_KEY, DEFAULT_SYNC_WAIT_MSEC);<a name="line.301"></a> -<span class="sourceLineNo">302</span> useHsync = conf.getBoolean(USE_HSYNC_CONF_KEY, DEFAULT_USE_HSYNC);<a name="line.302"></a> -<span class="sourceLineNo">303</span><a name="line.303"></a> -<span class="sourceLineNo">304</span> // WebUI<a name="line.304"></a> -<span class="sourceLineNo">305</span> syncMetricsQueue = new CircularFifoQueue<>(<a name="line.305"></a> -<span class="sourceLineNo">306</span> conf.getInt(STORE_WAL_SYNC_STATS_COUNT, DEFAULT_SYNC_STATS_COUNT));<a name="line.306"></a> -<span class="sourceLineNo">307</span><a name="line.307"></a> -<span class="sourceLineNo">308</span> // Init sync thread<a name="line.308"></a> -<span class="sourceLineNo">309</span> syncThread = new Thread("WALProcedureStoreSyncThread") {<a name="line.309"></a> -<span class="sourceLineNo">310</span> @Override<a name="line.310"></a> -<span class="sourceLineNo">311</span> public void run() {<a name="line.311"></a> -<span class="sourceLineNo">312</span> try {<a name="line.312"></a> -<span class="sourceLineNo">313</span> syncLoop();<a name="line.313"></a> -<span class="sourceLineNo">314</span> } catch (Throwable e) {<a name="line.314"></a> -<span class="sourceLineNo">315</span> LOG.error("Got an exception from the sync-loop", e);<a name="line.315"></a> -<span class="sourceLineNo">316</span> if (!isSyncAborted()) {<a name="line.316"></a> -<span class="sourceLineNo">317</span> sendAbortProcessSignal();<a name="line.317"></a> -<span class="sourceLineNo">318</span> }<a name="line.318"></a> -<span class="sourceLineNo">319</span> }<a name="line.319"></a> -<span class="sourceLineNo">320</span> }<a name="line.320"></a> -<span class="sourceLineNo">321</span> };<a name="line.321"></a> -<span class="sourceLineNo">322</span> syncThread.start();<a name="line.322"></a> -<span class="sourceLineNo">323</span> }<a name="line.323"></a> -<span class="sourceLineNo">324</span><a name="line.324"></a> -<span class="sourceLineNo">325</span> @Override<a name="line.325"></a> -<span class="sourceLineNo">326</span> public void stop(final boolean abort) {<a name="line.326"></a> -<span class="sourceLineNo">327</span> if (!setRunning(false)) {<a name="line.327"></a> -<span class="sourceLineNo">328</span> return;<a name="line.328"></a> -<span class="sourceLineNo">329</span> }<a name="line.329"></a> -<span class="sourceLineNo">330</span><a name="line.330"></a> -<span class="sourceLineNo">331</span> LOG.info("Stopping the WAL Procedure Store, isAbort=" + abort +<a name="line.331"></a> -<span class="sourceLineNo">332</span> (isSyncAborted() ? " (self aborting)" : ""));<a name="line.332"></a> -<span class="sourceLineNo">333</span> sendStopSignal();<a name="line.333"></a> -<span class="sourceLineNo">334</span> if (!isSyncAborted()) {<a name="line.334"></a> -<span class="sourceLineNo">335</span> try {<a name="line.335"></a> -<span class="sourceLineNo">336</span> while (syncThread.isAlive()) {<a name="line.336"></a> -<span class="sourceLineNo">337</span> sendStopSignal();<a name="line.337"></a> -<span class="sourceLineNo">338</span> syncThread.join(250);<a name="line.338"></a> -<span class="sourceLineNo">339</span> }<a name="line.339"></a> -<span class="sourceLineNo">340</span> } catch (InterruptedException e) {<a name="line.340"></a> -<span class="sourceLineNo">341</span> LOG.warn("join interrupted", e);<a name="line.341"></a> -<span class="sourceLineNo">342</span> Thread.currentThread().interrupt();<a name="line.342"></a> -<span class="sourceLineNo">343</span> }<a name="line.343"></a> -<span class="sourceLineNo">344</span> }<a name="line.344"></a> -<span class="sourceLineNo">345</span><a name="line.345"></a> -<span class="sourceLineNo">346</span> // Close the writer<a name="line.346"></a> -<span class="sourceLineNo">347</span> closeCurrentLogStream(abort);<a name="line.347"></a> -<span class="sourceLineNo">348</span><a name="line.348"></a> -<span class="sourceLineNo">349</span> // Close the old logs<a name="line.349"></a> -<span class="sourceLineNo">350</span> // they should be already closed, this is just in case the load fails<a name="line.350"></a> -<span class="sourceLineNo">351</span> // and we call start() and then stop()<a name="line.351"></a> -<span class="sourceLineNo">352</span> for (ProcedureWALFile log: logs) {<a name="line.352"></a> -<span class="sourceLineNo">353</span> log.close();<a name="line.353"></a> -<span class="sourceLineNo">354</span> }<a name="line.354"></a> -<span class="sourceLineNo">355</span> logs.clear();<a name="line.355"></a> -<span class="sourceLineNo">356</span> loading.set(true);<a name="line.356"></a> -<span class="sourceLineNo">357</span> }<a name="line.357"></a> -<span class="sourceLineNo">358</span><a name="line.358"></a> -<span class="sourceLineNo">359</span> private void sendStopSignal() {<a name="line.359"></a> -<span class="sourceLineNo">360</span> if (lock.tryLock()) {<a name="line.360"></a> -<span class="sourceLineNo">361</span> try {<a name="line.361"></a> -<span class="sourceLineNo">362</span> waitCond.signalAll();<a name="line.362"></a> -<span class="sourceLineNo">363</span> syncCond.signalAll();<a name="line.363"></a> -<span class="sourceLineNo">364</span> } finally {<a name="line.364"></a> -<span class="sourceLineNo">365</span> lock.unlock();<a name="line.365"></a> -<span class="sourceLineNo">366</span> }<a name="line.366"></a> -<span class="sourceLineNo">367</span> }<a name="line.367"></a> -<span class="sourceLineNo">368</span> }<a name="line.368"></a> -<span class="sourceLineNo">369</span><a name="line.369"></a> -<span class="sourceLineNo">370</span> @Override<a name="line.370"></a> -<span class="sourceLineNo">371</span> public int getNumThreads() {<a name="line.371"></a> -<span class="sourceLineNo">372</span> return slots == null ? 0 : slots.length;<a name="line.372"></a> -<span class="sourceLineNo">373</span> }<a name="line.373"></a> -<span class="sourceLineNo">374</span><a name="line.374"></a> -<span class="sourceLineNo">375</span> @Override<a name="line.375"></a> -<span class="sourceLineNo">376</span> public int setRunningProcedureCount(final int count) {<a name="line.376"></a> -<span class="sourceLineNo">377</span> this.runningProcCount = count > 0 ? 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class="sourceLineNo">445</span> @Override<a name="line.445"></a> -<span class="sourceLineNo">446</span> public void load(ProcedureLoader loader) throws IOException {<a name="line.446"></a> -<span class="sourceLineNo">447</span> lock.lock();<a name="line.447"></a> -<span class="sourceLineNo">448</span> try {<a name="line.448"></a> -<span class="sourceLineNo">449</span> if (logs.isEmpty()) {<a name="line.449"></a> -<span class="sourceLineNo">450</span> throw new RuntimeException("recoverLease() must be called before loading data");<a name="line.450"></a> -<span class="sourceLineNo">451</span> }<a name="line.451"></a> -<span class="sourceLineNo">452</span><a name="line.452"></a> -<span class="sourceLineNo">453</span> // Nothing to do, If we have only the current log.<a name="line.453"></a> -<span class="sourceLineNo">454</span> if (logs.size() == 1) {<a name="line.454"></a> -<span class="sourceLineNo">455</span> LOG.debug("No state logs to replay.");<a name="line.455"></a> -<span 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LOG.error(HBaseMarkers.FATAL, "Unable to serialize one of the procedure: proc=" +<a name="line.548"></a> -<span class="sourceLineNo">549</span> proc + ", subprocs=" + Arrays.toString(subprocs), e);<a name="line.549"></a> -<span class="sourceLineNo">550</span> throw new RuntimeException(e);<a name="line.550"></a> -<span class="sourceLineNo">551</span> } finally {<a name="line.551"></a> -<span class="sourceLineNo">552</span> releaseSlot(slot);<a name="line.552"></a> -<span class="sourceLineNo">553</span> }<a name="line.553"></a> -<span class="sourceLineNo">554</span> }<a name="line.554"></a> -<span class="sourceLineNo">555</span><a name="line.555"></a> -<span class="sourceLineNo">556</span> @Override<a name="line.556"></a> -<span class="sourceLineNo">557</span> public void insert(Procedure<?>[] procs) {<a name="line.557"></a> -<span class="sourceLineNo">558</span> if (LOG.isTraceEnabled()) {<a name="line.558"></a> -<span class="sourceLineNo">559</span> LOG.trace("Insert " + 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class="sourceLineNo">1147</span> LOG.error("Unable to close the stream", e);<a name="line.1147"></a> -<span class="sourceLineNo">1148</span> }<a name="line.1148"></a> -<span class="sourceLineNo">1149</span> stream = null;<a name="line.1149"></a> -<span class="sourceLineNo">1150</span> }<a name="line.1150"></a> -<span class="sourceLineNo">1151</span><a name="line.1151"></a> -<span class="sourceLineNo">1152</span> // ==========================================================================<a name="line.1152"></a> -<span class="sourceLineNo">1153</span> // Log Files cleaner helpers<a name="line.1153"></a> -<span class="sourceLineNo">1154</span> // ==========================================================================<a name="line.1154"></a> -<span class="sourceLineNo">1155</span> private void removeInactiveLogs() throws IOException {<a name="line.1155"></a> -<span class="sourceLineNo">1156</span> // We keep track of which procedures are holding the oldest WAL in 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<TRUNCATED>