http://git-wip-us.apache.org/repos/asf/hbase-site/blob/a2b2dd19/devapidocs/src-html/org/apache/hadoop/hbase/regionserver/HRegion.PrepareFlushResult.html ---------------------------------------------------------------------- diff --git a/devapidocs/src-html/org/apache/hadoop/hbase/regionserver/HRegion.PrepareFlushResult.html b/devapidocs/src-html/org/apache/hadoop/hbase/regionserver/HRegion.PrepareFlushResult.html index 5c95397..860416b 100644 --- a/devapidocs/src-html/org/apache/hadoop/hbase/regionserver/HRegion.PrepareFlushResult.html +++ b/devapidocs/src-html/org/apache/hadoop/hbase/regionserver/HRegion.PrepareFlushResult.html @@ -293,7944 +293,7962 @@ <span class="sourceLineNo">285</span> final AtomicLong compactionsFailed = new AtomicLong(0L);<a name="line.285"></a> <span class="sourceLineNo">286</span> final AtomicLong compactionNumFilesCompacted = new AtomicLong(0L);<a name="line.286"></a> <span class="sourceLineNo">287</span> final AtomicLong compactionNumBytesCompacted = new AtomicLong(0L);<a name="line.287"></a> -<span class="sourceLineNo">288</span><a name="line.288"></a> -<span class="sourceLineNo">289</span> private final WAL wal;<a name="line.289"></a> -<span class="sourceLineNo">290</span> private final HRegionFileSystem fs;<a name="line.290"></a> -<span class="sourceLineNo">291</span> protected final Configuration conf;<a name="line.291"></a> -<span class="sourceLineNo">292</span> private final Configuration baseConf;<a name="line.292"></a> -<span class="sourceLineNo">293</span> private final int rowLockWaitDuration;<a name="line.293"></a> -<span class="sourceLineNo">294</span> static final int DEFAULT_ROWLOCK_WAIT_DURATION = 30000;<a name="line.294"></a> -<span class="sourceLineNo">295</span><a name="line.295"></a> -<span class="sourceLineNo">296</span> // The internal wait duration to acquire a lock before read/update<a name="line.296"></a> -<span class="sourceLineNo">297</span> // from the region. It is not per row. The purpose of this wait time<a name="line.297"></a> -<span class="sourceLineNo">298</span> // is to avoid waiting a long time while the region is busy, so that<a name="line.298"></a> -<span class="sourceLineNo">299</span> // we can release the IPC handler soon enough to improve the<a name="line.299"></a> -<span class="sourceLineNo">300</span> // availability of the region server. It can be adjusted by<a name="line.300"></a> -<span class="sourceLineNo">301</span> // tuning configuration "hbase.busy.wait.duration".<a name="line.301"></a> -<span class="sourceLineNo">302</span> final long busyWaitDuration;<a name="line.302"></a> -<span class="sourceLineNo">303</span> static final long DEFAULT_BUSY_WAIT_DURATION = HConstants.DEFAULT_HBASE_RPC_TIMEOUT;<a name="line.303"></a> -<span class="sourceLineNo">304</span><a name="line.304"></a> -<span class="sourceLineNo">305</span> // If updating multiple rows in one call, wait longer,<a name="line.305"></a> -<span class="sourceLineNo">306</span> // i.e. waiting for busyWaitDuration * # of rows. However,<a name="line.306"></a> -<span class="sourceLineNo">307</span> // we can limit the max multiplier.<a name="line.307"></a> -<span class="sourceLineNo">308</span> final int maxBusyWaitMultiplier;<a name="line.308"></a> -<span class="sourceLineNo">309</span><a name="line.309"></a> -<span class="sourceLineNo">310</span> // Max busy wait duration. There is no point to wait longer than the RPC<a name="line.310"></a> -<span class="sourceLineNo">311</span> // purge timeout, when a RPC call will be terminated by the RPC engine.<a name="line.311"></a> -<span class="sourceLineNo">312</span> final long maxBusyWaitDuration;<a name="line.312"></a> -<span class="sourceLineNo">313</span><a name="line.313"></a> -<span class="sourceLineNo">314</span> // Max cell size. If nonzero, the maximum allowed size for any given cell<a name="line.314"></a> -<span class="sourceLineNo">315</span> // in bytes<a name="line.315"></a> -<span class="sourceLineNo">316</span> final long maxCellSize;<a name="line.316"></a> -<span class="sourceLineNo">317</span><a name="line.317"></a> -<span class="sourceLineNo">318</span> // negative number indicates infinite timeout<a name="line.318"></a> -<span class="sourceLineNo">319</span> static final long DEFAULT_ROW_PROCESSOR_TIMEOUT = 60 * 1000L;<a name="line.319"></a> -<span class="sourceLineNo">320</span> final ExecutorService rowProcessorExecutor = Executors.newCachedThreadPool();<a name="line.320"></a> -<span class="sourceLineNo">321</span><a name="line.321"></a> -<span class="sourceLineNo">322</span> private final ConcurrentHashMap<RegionScanner, Long> scannerReadPoints;<a name="line.322"></a> +<span class="sourceLineNo">288</span> final AtomicLong compactionsQueued = new AtomicLong(0L);<a name="line.288"></a> +<span class="sourceLineNo">289</span> final AtomicLong flushesQueued = new AtomicLong(0L);<a name="line.289"></a> +<span class="sourceLineNo">290</span><a name="line.290"></a> +<span class="sourceLineNo">291</span> private final WAL wal;<a name="line.291"></a> +<span class="sourceLineNo">292</span> private final HRegionFileSystem fs;<a name="line.292"></a> +<span class="sourceLineNo">293</span> protected final Configuration conf;<a name="line.293"></a> +<span class="sourceLineNo">294</span> private final Configuration baseConf;<a name="line.294"></a> +<span class="sourceLineNo">295</span> private final int rowLockWaitDuration;<a name="line.295"></a> +<span class="sourceLineNo">296</span> static final int DEFAULT_ROWLOCK_WAIT_DURATION = 30000;<a name="line.296"></a> +<span class="sourceLineNo">297</span><a name="line.297"></a> +<span class="sourceLineNo">298</span> // The internal wait duration to acquire a lock before read/update<a name="line.298"></a> +<span class="sourceLineNo">299</span> // from the region. It is not per row. The purpose of this wait time<a name="line.299"></a> +<span class="sourceLineNo">300</span> // is to avoid waiting a long time while the region is busy, so that<a name="line.300"></a> +<span class="sourceLineNo">301</span> // we can release the IPC handler soon enough to improve the<a name="line.301"></a> +<span class="sourceLineNo">302</span> // availability of the region server. It can be adjusted by<a name="line.302"></a> +<span class="sourceLineNo">303</span> // tuning configuration "hbase.busy.wait.duration".<a name="line.303"></a> +<span class="sourceLineNo">304</span> final long busyWaitDuration;<a name="line.304"></a> +<span class="sourceLineNo">305</span> static final long DEFAULT_BUSY_WAIT_DURATION = HConstants.DEFAULT_HBASE_RPC_TIMEOUT;<a name="line.305"></a> +<span class="sourceLineNo">306</span><a name="line.306"></a> +<span class="sourceLineNo">307</span> // If updating multiple rows in one call, wait longer,<a name="line.307"></a> +<span class="sourceLineNo">308</span> // i.e. waiting for busyWaitDuration * # of rows. However,<a name="line.308"></a> +<span class="sourceLineNo">309</span> // we can limit the max multiplier.<a name="line.309"></a> +<span class="sourceLineNo">310</span> final int maxBusyWaitMultiplier;<a name="line.310"></a> +<span class="sourceLineNo">311</span><a name="line.311"></a> +<span class="sourceLineNo">312</span> // Max busy wait duration. There is no point to wait longer than the RPC<a name="line.312"></a> +<span class="sourceLineNo">313</span> // purge timeout, when a RPC call will be terminated by the RPC engine.<a name="line.313"></a> +<span class="sourceLineNo">314</span> final long maxBusyWaitDuration;<a name="line.314"></a> +<span class="sourceLineNo">315</span><a name="line.315"></a> +<span class="sourceLineNo">316</span> // Max cell size. If nonzero, the maximum allowed size for any given cell<a name="line.316"></a> +<span class="sourceLineNo">317</span> // in bytes<a name="line.317"></a> +<span class="sourceLineNo">318</span> final long maxCellSize;<a name="line.318"></a> +<span class="sourceLineNo">319</span><a name="line.319"></a> +<span class="sourceLineNo">320</span> // negative number indicates infinite timeout<a name="line.320"></a> +<span class="sourceLineNo">321</span> static final long DEFAULT_ROW_PROCESSOR_TIMEOUT = 60 * 1000L;<a name="line.321"></a> +<span class="sourceLineNo">322</span> final ExecutorService rowProcessorExecutor = Executors.newCachedThreadPool();<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> * The sequence ID that was enLongAddered when this region was opened.<a name="line.325"></a> -<span class="sourceLineNo">326</span> */<a name="line.326"></a> -<span class="sourceLineNo">327</span> private long openSeqNum = HConstants.NO_SEQNUM;<a name="line.327"></a> -<span class="sourceLineNo">328</span><a name="line.328"></a> -<span class="sourceLineNo">329</span> /**<a name="line.329"></a> -<span class="sourceLineNo">330</span> * The default setting for whether to enable on-demand CF loading for<a name="line.330"></a> -<span class="sourceLineNo">331</span> * scan requests to this region. Requests can override it.<a name="line.331"></a> -<span class="sourceLineNo">332</span> */<a name="line.332"></a> -<span class="sourceLineNo">333</span> private boolean isLoadingCfsOnDemandDefault = false;<a name="line.333"></a> -<span class="sourceLineNo">334</span><a name="line.334"></a> -<span class="sourceLineNo">335</span> private final AtomicInteger majorInProgress = new AtomicInteger(0);<a name="line.335"></a> -<span class="sourceLineNo">336</span> private final AtomicInteger minorInProgress = new AtomicInteger(0);<a name="line.336"></a> -<span class="sourceLineNo">337</span><a name="line.337"></a> -<span class="sourceLineNo">338</span> //<a name="line.338"></a> -<span class="sourceLineNo">339</span> // Context: During replay we want to ensure that we do not lose any data. So, we<a name="line.339"></a> -<span class="sourceLineNo">340</span> // have to be conservative in how we replay wals. For each store, we calculate<a name="line.340"></a> -<span class="sourceLineNo">341</span> // the maxSeqId up to which the store was flushed. And, skip the edits which<a name="line.341"></a> -<span class="sourceLineNo">342</span> // are equal to or lower than maxSeqId for each store.<a name="line.342"></a> -<span class="sourceLineNo">343</span> // The following map is populated when opening the region<a name="line.343"></a> -<span class="sourceLineNo">344</span> Map<byte[], Long> maxSeqIdInStores = new TreeMap<>(Bytes.BYTES_COMPARATOR);<a name="line.344"></a> -<span class="sourceLineNo">345</span><a name="line.345"></a> -<span class="sourceLineNo">346</span> /** Saved state from replaying prepare flush cache */<a name="line.346"></a> -<span class="sourceLineNo">347</span> private PrepareFlushResult prepareFlushResult = null;<a name="line.347"></a> -<span class="sourceLineNo">348</span><a name="line.348"></a> -<span class="sourceLineNo">349</span> /**<a name="line.349"></a> -<span class="sourceLineNo">350</span> * Config setting for whether to allow writes when a region is in recovering or not.<a name="line.350"></a> -<span class="sourceLineNo">351</span> */<a name="line.351"></a> -<span class="sourceLineNo">352</span> private boolean disallowWritesInRecovering = false;<a name="line.352"></a> -<span class="sourceLineNo">353</span><a name="line.353"></a> -<span class="sourceLineNo">354</span> // When a region is in recovering state, it can only accept writes not reads<a name="line.354"></a> -<span class="sourceLineNo">355</span> private volatile boolean recovering = false;<a name="line.355"></a> -<span class="sourceLineNo">356</span><a name="line.356"></a> -<span class="sourceLineNo">357</span> private volatile Optional<ConfigurationManager> configurationManager;<a name="line.357"></a> +<span class="sourceLineNo">324</span> private final ConcurrentHashMap<RegionScanner, Long> scannerReadPoints;<a name="line.324"></a> +<span class="sourceLineNo">325</span><a name="line.325"></a> +<span class="sourceLineNo">326</span> /**<a name="line.326"></a> +<span class="sourceLineNo">327</span> * The sequence ID that was enLongAddered when this region was opened.<a name="line.327"></a> +<span class="sourceLineNo">328</span> */<a name="line.328"></a> +<span class="sourceLineNo">329</span> private long openSeqNum = HConstants.NO_SEQNUM;<a name="line.329"></a> +<span class="sourceLineNo">330</span><a name="line.330"></a> +<span class="sourceLineNo">331</span> /**<a name="line.331"></a> +<span class="sourceLineNo">332</span> * The default setting for whether to enable on-demand CF loading for<a name="line.332"></a> +<span class="sourceLineNo">333</span> * scan requests to this region. Requests can override it.<a name="line.333"></a> +<span class="sourceLineNo">334</span> */<a name="line.334"></a> +<span class="sourceLineNo">335</span> private boolean isLoadingCfsOnDemandDefault = false;<a name="line.335"></a> +<span class="sourceLineNo">336</span><a name="line.336"></a> +<span class="sourceLineNo">337</span> private final AtomicInteger majorInProgress = new AtomicInteger(0);<a name="line.337"></a> +<span class="sourceLineNo">338</span> private final AtomicInteger minorInProgress = new AtomicInteger(0);<a name="line.338"></a> +<span class="sourceLineNo">339</span><a name="line.339"></a> +<span class="sourceLineNo">340</span> //<a name="line.340"></a> +<span class="sourceLineNo">341</span> // Context: During replay we want to ensure that we do not lose any data. So, we<a name="line.341"></a> +<span class="sourceLineNo">342</span> // have to be conservative in how we replay wals. For each store, we calculate<a name="line.342"></a> +<span class="sourceLineNo">343</span> // the maxSeqId up to which the store was flushed. And, skip the edits which<a name="line.343"></a> +<span class="sourceLineNo">344</span> // are equal to or lower than maxSeqId for each store.<a name="line.344"></a> +<span class="sourceLineNo">345</span> // The following map is populated when opening the region<a name="line.345"></a> +<span class="sourceLineNo">346</span> Map<byte[], Long> maxSeqIdInStores = new TreeMap<>(Bytes.BYTES_COMPARATOR);<a name="line.346"></a> +<span class="sourceLineNo">347</span><a name="line.347"></a> +<span class="sourceLineNo">348</span> /** Saved state from replaying prepare flush cache */<a name="line.348"></a> +<span class="sourceLineNo">349</span> private PrepareFlushResult prepareFlushResult = null;<a name="line.349"></a> +<span class="sourceLineNo">350</span><a name="line.350"></a> +<span class="sourceLineNo">351</span> /**<a name="line.351"></a> +<span class="sourceLineNo">352</span> * Config setting for whether to allow writes when a region is in recovering or not.<a name="line.352"></a> +<span class="sourceLineNo">353</span> */<a name="line.353"></a> +<span class="sourceLineNo">354</span> private boolean disallowWritesInRecovering = false;<a name="line.354"></a> +<span class="sourceLineNo">355</span><a name="line.355"></a> +<span class="sourceLineNo">356</span> // When a region is in recovering state, it can only accept writes not reads<a name="line.356"></a> +<span class="sourceLineNo">357</span> private volatile boolean recovering = false;<a name="line.357"></a> <span class="sourceLineNo">358</span><a name="line.358"></a> -<span class="sourceLineNo">359</span> // Used for testing.<a name="line.359"></a> -<span class="sourceLineNo">360</span> private volatile Long timeoutForWriteLock = null;<a name="line.360"></a> -<span class="sourceLineNo">361</span><a name="line.361"></a> -<span class="sourceLineNo">362</span> /**<a name="line.362"></a> -<span class="sourceLineNo">363</span> * @return The smallest mvcc readPoint across all the scanners in this<a name="line.363"></a> -<span class="sourceLineNo">364</span> * region. Writes older than this readPoint, are included in every<a name="line.364"></a> -<span class="sourceLineNo">365</span> * read operation.<a name="line.365"></a> -<span class="sourceLineNo">366</span> */<a name="line.366"></a> -<span class="sourceLineNo">367</span> public long getSmallestReadPoint() {<a name="line.367"></a> -<span class="sourceLineNo">368</span> long minimumReadPoint;<a name="line.368"></a> -<span class="sourceLineNo">369</span> // We need to ensure that while we are calculating the smallestReadPoint<a name="line.369"></a> -<span class="sourceLineNo">370</span> // no new RegionScanners can grab a readPoint that we are unaware of.<a name="line.370"></a> -<span class="sourceLineNo">371</span> // We achieve this by synchronizing on the scannerReadPoints object.<a name="line.371"></a> -<span class="sourceLineNo">372</span> synchronized (scannerReadPoints) {<a name="line.372"></a> -<span class="sourceLineNo">373</span> minimumReadPoint = mvcc.getReadPoint();<a name="line.373"></a> -<span class="sourceLineNo">374</span> for (Long readPoint : this.scannerReadPoints.values()) {<a name="line.374"></a> -<span class="sourceLineNo">375</span> if (readPoint < minimumReadPoint) {<a name="line.375"></a> -<span class="sourceLineNo">376</span> minimumReadPoint = readPoint;<a name="line.376"></a> -<span class="sourceLineNo">377</span> }<a name="line.377"></a> -<span class="sourceLineNo">378</span> }<a name="line.378"></a> -<span class="sourceLineNo">379</span> }<a name="line.379"></a> -<span class="sourceLineNo">380</span> return minimumReadPoint;<a name="line.380"></a> -<span class="sourceLineNo">381</span> }<a name="line.381"></a> -<span class="sourceLineNo">382</span><a name="line.382"></a> -<span class="sourceLineNo">383</span> /*<a name="line.383"></a> -<span class="sourceLineNo">384</span> * Data structure of write state flags used coordinating flushes,<a name="line.384"></a> -<span class="sourceLineNo">385</span> * compactions and closes.<a name="line.385"></a> -<span class="sourceLineNo">386</span> */<a name="line.386"></a> -<span class="sourceLineNo">387</span> static class WriteState {<a name="line.387"></a> -<span class="sourceLineNo">388</span> // Set while a memstore flush is happening.<a name="line.388"></a> -<span class="sourceLineNo">389</span> volatile boolean flushing = false;<a name="line.389"></a> -<span class="sourceLineNo">390</span> // Set when a flush has been requested.<a name="line.390"></a> -<span class="sourceLineNo">391</span> volatile boolean flushRequested = false;<a name="line.391"></a> -<span class="sourceLineNo">392</span> // Number of compactions running.<a name="line.392"></a> -<span class="sourceLineNo">393</span> AtomicInteger compacting = new AtomicInteger(0);<a name="line.393"></a> -<span class="sourceLineNo">394</span> // Gets set in close. If set, cannot compact or flush again.<a name="line.394"></a> -<span class="sourceLineNo">395</span> volatile boolean writesEnabled = true;<a name="line.395"></a> -<span class="sourceLineNo">396</span> // Set if region is read-only<a name="line.396"></a> -<span class="sourceLineNo">397</span> volatile boolean readOnly = false;<a name="line.397"></a> -<span class="sourceLineNo">398</span> // whether the reads are enabled. This is different than readOnly, because readOnly is<a name="line.398"></a> -<span class="sourceLineNo">399</span> // static in the lifetime of the region, while readsEnabled is dynamic<a name="line.399"></a> -<span class="sourceLineNo">400</span> volatile boolean readsEnabled = true;<a name="line.400"></a> -<span class="sourceLineNo">401</span><a name="line.401"></a> -<span class="sourceLineNo">402</span> /**<a name="line.402"></a> -<span class="sourceLineNo">403</span> * Set flags that make this region read-only.<a name="line.403"></a> -<span class="sourceLineNo">404</span> *<a name="line.404"></a> -<span class="sourceLineNo">405</span> * @param onOff flip value for region r/o setting<a name="line.405"></a> -<span class="sourceLineNo">406</span> */<a name="line.406"></a> -<span class="sourceLineNo">407</span> synchronized void setReadOnly(final boolean onOff) {<a name="line.407"></a> -<span class="sourceLineNo">408</span> this.writesEnabled = !onOff;<a name="line.408"></a> -<span class="sourceLineNo">409</span> this.readOnly = onOff;<a name="line.409"></a> -<span class="sourceLineNo">410</span> }<a name="line.410"></a> -<span class="sourceLineNo">411</span><a name="line.411"></a> -<span class="sourceLineNo">412</span> boolean isReadOnly() {<a name="line.412"></a> -<span class="sourceLineNo">413</span> return this.readOnly;<a name="line.413"></a> -<span class="sourceLineNo">414</span> }<a name="line.414"></a> -<span class="sourceLineNo">415</span><a name="line.415"></a> -<span class="sourceLineNo">416</span> boolean isFlushRequested() {<a name="line.416"></a> -<span class="sourceLineNo">417</span> return this.flushRequested;<a name="line.417"></a> -<span class="sourceLineNo">418</span> }<a name="line.418"></a> -<span class="sourceLineNo">419</span><a name="line.419"></a> -<span class="sourceLineNo">420</span> void setReadsEnabled(boolean readsEnabled) {<a name="line.420"></a> -<span class="sourceLineNo">421</span> this.readsEnabled = readsEnabled;<a name="line.421"></a> -<span class="sourceLineNo">422</span> }<a name="line.422"></a> -<span class="sourceLineNo">423</span><a name="line.423"></a> -<span class="sourceLineNo">424</span> static final long HEAP_SIZE = ClassSize.align(<a name="line.424"></a> -<span class="sourceLineNo">425</span> ClassSize.OBJECT + 5 * Bytes.SIZEOF_BOOLEAN);<a name="line.425"></a> -<span class="sourceLineNo">426</span> }<a name="line.426"></a> -<span class="sourceLineNo">427</span><a name="line.427"></a> -<span class="sourceLineNo">428</span> /**<a name="line.428"></a> -<span class="sourceLineNo">429</span> * Objects from this class are created when flushing to describe all the different states that<a name="line.429"></a> -<span class="sourceLineNo">430</span> * that method ends up in. The Result enum describes those states. The sequence id should only<a name="line.430"></a> -<span class="sourceLineNo">431</span> * be specified if the flush was successful, and the failure message should only be specified<a name="line.431"></a> -<span class="sourceLineNo">432</span> * if it didn't flush.<a name="line.432"></a> -<span class="sourceLineNo">433</span> */<a name="line.433"></a> -<span class="sourceLineNo">434</span> public static class FlushResultImpl implements FlushResult {<a name="line.434"></a> -<span class="sourceLineNo">435</span> final Result result;<a name="line.435"></a> -<span class="sourceLineNo">436</span> final String failureReason;<a name="line.436"></a> -<span class="sourceLineNo">437</span> final long flushSequenceId;<a name="line.437"></a> -<span class="sourceLineNo">438</span> final boolean wroteFlushWalMarker;<a name="line.438"></a> -<span class="sourceLineNo">439</span><a name="line.439"></a> -<span class="sourceLineNo">440</span> /**<a name="line.440"></a> -<span 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flushedSeqId, MemstoreSize totalFlushableSize) {<a name="line.533"></a> -<span class="sourceLineNo">534</span> this(null, storeFlushCtxs, committedFiles, storeFlushableSize, startTime,<a name="line.534"></a> -<span class="sourceLineNo">535</span> flushSeqId, flushedSeqId, totalFlushableSize);<a name="line.535"></a> -<span class="sourceLineNo">536</span> }<a name="line.536"></a> -<span class="sourceLineNo">537</span><a name="line.537"></a> -<span class="sourceLineNo">538</span> private PrepareFlushResult(<a name="line.538"></a> -<span class="sourceLineNo">539</span> FlushResult result,<a name="line.539"></a> -<span class="sourceLineNo">540</span> TreeMap<byte[], StoreFlushContext> storeFlushCtxs,<a name="line.540"></a> -<span class="sourceLineNo">541</span> TreeMap<byte[], List<Path>> committedFiles,<a name="line.541"></a> -<span class="sourceLineNo">542</span> TreeMap<byte[], MemstoreSize> storeFlushableSize, long startTime, long flushSeqId,<a name="line.542"></a> -<span class="sourceLineNo">543</span> long flushedSeqId, MemstoreSize totalFlushableSize) {<a name="line.543"></a> -<span class="sourceLineNo">544</span> this.result = result;<a name="line.544"></a> -<span class="sourceLineNo">545</span> this.storeFlushCtxs = storeFlushCtxs;<a name="line.545"></a> -<span class="sourceLineNo">546</span> this.committedFiles = committedFiles;<a name="line.546"></a> -<span class="sourceLineNo">547</span> this.storeFlushableSize = storeFlushableSize;<a name="line.547"></a> -<span class="sourceLineNo">548</span> this.startTime = startTime;<a name="line.548"></a> -<span class="sourceLineNo">549</span> this.flushOpSeqId = flushSeqId;<a name="line.549"></a> -<span class="sourceLineNo">550</span> this.flushedSeqId = flushedSeqId;<a name="line.550"></a> -<span class="sourceLineNo">551</span> this.totalFlushableSize = totalFlushableSize;<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> public FlushResult getResult() {<a name="line.554"></a> -<span class="sourceLineNo">555</span> return this.result;<a name="line.555"></a> -<span class="sourceLineNo">556</span> }<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> /**<a name="line.559"></a> -<span class="sourceLineNo">560</span> * A class that tracks exceptions that have been observed in one batch. 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Writes older than this readPoint, are included in every<a name="line.366"></a> +<span class="sourceLineNo">367</span> * read operation.<a name="line.367"></a> +<span class="sourceLineNo">368</span> */<a name="line.368"></a> +<span class="sourceLineNo">369</span> public long getSmallestReadPoint() {<a name="line.369"></a> +<span class="sourceLineNo">370</span> long minimumReadPoint;<a name="line.370"></a> +<span class="sourceLineNo">371</span> // We need to ensure that while we are calculating the smallestReadPoint<a name="line.371"></a> +<span class="sourceLineNo">372</span> // no new RegionScanners can grab a readPoint that we are unaware of.<a name="line.372"></a> +<span class="sourceLineNo">373</span> // We achieve this by synchronizing on the scannerReadPoints object.<a name="line.373"></a> +<span class="sourceLineNo">374</span> synchronized (scannerReadPoints) {<a name="line.374"></a> +<span class="sourceLineNo">375</span> minimumReadPoint = mvcc.getReadPoint();<a name="line.375"></a> +<span class="sourceLineNo">376</span> for (Long readPoint : this.scannerReadPoints.values()) {<a name="line.376"></a> +<span class="sourceLineNo">377</span> if (readPoint < minimumReadPoint) {<a name="line.377"></a> +<span class="sourceLineNo">378</span> minimumReadPoint = readPoint;<a name="line.378"></a> +<span class="sourceLineNo">379</span> }<a name="line.379"></a> +<span class="sourceLineNo">380</span> }<a name="line.380"></a> +<span class="sourceLineNo">381</span> }<a name="line.381"></a> +<span class="sourceLineNo">382</span> return minimumReadPoint;<a name="line.382"></a> +<span class="sourceLineNo">383</span> }<a name="line.383"></a> +<span class="sourceLineNo">384</span><a name="line.384"></a> +<span class="sourceLineNo">385</span> /*<a name="line.385"></a> +<span class="sourceLineNo">386</span> * Data structure of write state flags used coordinating flushes,<a name="line.386"></a> +<span class="sourceLineNo">387</span> * compactions and closes.<a name="line.387"></a> +<span class="sourceLineNo">388</span> */<a name="line.388"></a> +<span class="sourceLineNo">389</span> static class WriteState {<a name="line.389"></a> +<span class="sourceLineNo">390</span> // Set while a memstore flush is happening.<a name="line.390"></a> +<span class="sourceLineNo">391</span> volatile boolean flushing = false;<a name="line.391"></a> +<span class="sourceLineNo">392</span> // Set when a flush has been requested.<a name="line.392"></a> +<span class="sourceLineNo">393</span> volatile boolean flushRequested = false;<a name="line.393"></a> +<span class="sourceLineNo">394</span> // Number of compactions running.<a name="line.394"></a> +<span class="sourceLineNo">395</span> AtomicInteger compacting = new AtomicInteger(0);<a name="line.395"></a> +<span class="sourceLineNo">396</span> // Gets set in close. If set, cannot compact or flush again.<a name="line.396"></a> +<span class="sourceLineNo">397</span> volatile boolean writesEnabled = true;<a name="line.397"></a> +<span class="sourceLineNo">398</span> // Set if region is read-only<a name="line.398"></a> +<span class="sourceLineNo">399</span> volatile boolean readOnly = false;<a name="line.399"></a> +<span class="sourceLineNo">400</span> // whether the reads are enabled. 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The Result enum describes those states. The sequence id should only<a name="line.432"></a> +<span class="sourceLineNo">433</span> * be specified if the flush was successful, and the failure message should only be specified<a name="line.433"></a> +<span class="sourceLineNo">434</span> * if it didn't flush.<a name="line.434"></a> +<span class="sourceLineNo">435</span> */<a name="line.435"></a> +<span class="sourceLineNo">436</span> public static class FlushResultImpl implements FlushResult {<a name="line.436"></a> +<span class="sourceLineNo">437</span> final Result result;<a name="line.437"></a> +<span class="sourceLineNo">438</span> final String failureReason;<a name="line.438"></a> +<span class="sourceLineNo">439</span> final long flushSequenceId;<a name="line.439"></a> +<span class="sourceLineNo">440</span> final boolean wroteFlushWalMarker;<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> * Convenience constructor to use when the flush is successful, the failure message is set to<a name="line.443"></a> +<span class="sourceLineNo">444</span> * null.<a name="line.444"></a> +<span class="sourceLineNo">445</span> * @param result Expecting FLUSHED_NO_COMPACTION_NEEDED or FLUSHED_COMPACTION_NEEDED.<a name="line.445"></a> +<span class="sourceLineNo">446</span> * @param flushSequenceId Generated sequence id that comes right after the edits in the<a name="line.446"></a> +<span class="sourceLineNo">447</span> * memstores.<a name="line.447"></a> +<span class="sourceLineNo">448</span> */<a name="line.448"></a> +<span class="sourceLineNo">449</span> FlushResultImpl(Result result, long flushSequenceId) {<a name="line.449"></a> +<span class="sourceLineNo">450</span> this(result, flushSequenceId, null, false);<a name="line.450"></a> +<span class="sourceLineNo">451</span> assert result == Result.FLUSHED_NO_COMPACTION_NEEDED || result == Result<a name="line.451"></a> +<span class="sourceLineNo">452</span> .FLUSHED_COMPACTION_NEEDED;<a name="line.452"></a> +<span class="sourceLineNo">453</span> }<a name="line.453"></a> +<span class="sourceLineNo">454</span><a name="line.454"></a> +<span class="sourceLineNo">455</span> /**<a name="line.455"></a> +<span class="sourceLineNo">456</span> * Convenience constructor to use when we cannot flush.<a name="line.456"></a> +<span class="sourceLineNo">457</span> * @param result Expecting CANNOT_FLUSH_MEMSTORE_EMPTY or CANNOT_FLUSH.<a name="line.457"></a> +<span class="sourceLineNo">458</span> * @param failureReason Reason why we couldn't flush.<a name="line.458"></a> +<span class="sourceLineNo">459</span> */<a name="line.459"></a> +<span class="sourceLineNo">460</span> FlushResultImpl(Result result, String failureReason, boolean wroteFlushMarker) {<a name="line.460"></a> +<span class="sourceLineNo">461</span> this(result, -1, failureReason, wroteFlushMarker);<a name="line.461"></a> +<span class="sourceLineNo">462</span> assert result == Result.CANNOT_FLUSH_MEMSTORE_EMPTY || result == Result.CANNOT_FLUSH;<a name="line.462"></a> +<span class="sourceLineNo">463</span> }<a name="line.463"></a> +<span class="sourceLineNo">464</span><a name="line.464"></a> +<span class="sourceLineNo">465</span> /**<a name="line.465"></a> +<span class="sourceLineNo">466</span> * Constructor with all the parameters.<a name="line.466"></a> +<span class="sourceLineNo">467</span> * @param result Any of the Result.<a name="line.467"></a> +<span class="sourceLineNo">468</span> * @param flushSequenceId Generated sequence id if the memstores were flushed else -1.<a name="line.468"></a> +<span class="sourceLineNo">469</span> * @param failureReason Reason why we couldn't flush, or null.<a name="line.469"></a> +<span class="sourceLineNo">470</span> */<a name="line.470"></a> +<span class="sourceLineNo">471</span> FlushResultImpl(Result result, long flushSequenceId, String failureReason,<a name="line.471"></a> +<span class="sourceLineNo">472</span> boolean wroteFlushMarker) {<a name="line.472"></a> +<span class="sourceLineNo">473</span> this.result = result;<a name="line.473"></a> +<span class="sourceLineNo">474</span> this.flushSequenceId = flushSequenceId;<a name="line.474"></a> +<span class="sourceLineNo">475</span> this.failureReason = failureReason;<a name="line.475"></a> +<span class="sourceLineNo">476</span> this.wroteFlushWalMarker = wroteFlushMarker;<a name="line.476"></a> +<span class="sourceLineNo">477</span> }<a name="line.477"></a> +<span class="sourceLineNo">478</span><a name="line.478"></a> +<span class="sourceLineNo">479</span> /**<a name="line.479"></a> +<span class="sourceLineNo">480</span> * Convenience method, the equivalent of checking if result is<a name="line.480"></a> +<span class="sourceLineNo">481</span> * FLUSHED_NO_COMPACTION_NEEDED or FLUSHED_NO_COMPACTION_NEEDED.<a name="line.481"></a> +<span class="sourceLineNo">482</span> * @return true if the memstores were flushed, else false.<a name="line.482"></a> +<span class="sourceLineNo">483</span> */<a name="line.483"></a> +<span class="sourceLineNo">484</span> @Override<a name="line.484"></a> +<span class="sourceLineNo">485</span> public boolean isFlushSucceeded() {<a name="line.485"></a> +<span class="sourceLineNo">486</span> return result == Result.FLUSHED_NO_COMPACTION_NEEDED || result == Result<a name="line.486"></a> +<span class="sourceLineNo">487</span> .FLUSHED_COMPACTION_NEEDED;<a name="line.487"></a> +<span class="sourceLineNo">488</span> }<a name="line.488"></a> +<span class="sourceLineNo">489</span><a name="line.489"></a> +<span class="sourceLineNo">490</span> /**<a name="line.490"></a> +<span class="sourceLineNo">491</span> * Convenience method, the equivalent of checking if result is FLUSHED_COMPACTION_NEEDED.<a name="line.491"></a> +<span class="sourceLineNo">492</span> * @return True if the flush requested a compaction, else false (doesn't even mean it flushed).<a name="line.492"></a> +<span class="sourceLineNo">493</span> */<a name="line.493"></a> +<span class="sourceLineNo">494</span> @Override<a name="line.494"></a> +<span class="sourceLineNo">495</span> public boolean isCompactionNeeded() {<a name="line.495"></a> +<span class="sourceLineNo">496</span> return result == Result.FLUSHED_COMPACTION_NEEDED;<a name="line.496"></a> +<span class="sourceLineNo">497</span> }<a name="line.497"></a> +<span class="sourceLineNo">498</span><a name="line.498"></a> +<span class="sourceLineNo">499</span> @Override<a name="line.499"></a> +<span class="sourceLineNo">500</span> public String toString() {<a name="line.500"></a> +<span class="sourceLineNo">501</span> return new StringBuilder()<a name="line.501"></a> +<span class="sourceLineNo">502</span> .append("flush result:").append(result).append(", ")<a name="line.502"></a> +<span class="sourceLineNo">503</span> .append("failureReason:").append(failureReason).append(",")<a name="line.503"></a> +<span class="sourceLineNo">504</span> .append("flush seq id").append(flushSequenceId).toString();<a name="line.504"></a> +<span class="sourceLineNo">505</span> }<a name="line.505"></a> +<span class="sourceLineNo">506</span><a name="line.506"></a> +<span class="sourceLineNo">507</span> @Override<a name="line.507"></a> +<span class="sourceLineNo">508</span> public Result getResult() {<a name="line.508"></a> +<span class="sourceLineNo">509</span> return result;<a name="line.509"></a> +<span class="sourceLineNo">510</span> }<a name="line.510"></a> +<span class="sourceLineNo">511</span> }<a name="line.511"></a> +<span class="sourceLineNo">512</span><a name="line.512"></a> +<span class="sourceLineNo">513</span> /** A result object from prepare flush cache stage */<a name="line.513"></a> +<span class="sourceLineNo">514</span> @VisibleForTesting<a name="line.514"></a> +<span class="sourceLineNo">515</span> static class PrepareFlushResult {<a name="line.515"></a> +<span class="sourceLineNo">516</span> final FlushResult result; // indicating a failure result from prepare<a name="line.516"></a> +<span class="sourceLineNo">517</span> final TreeMap<byte[], StoreFlushContext> storeFlushCtxs;<a name="line.517"></a> +<span class="sourceLineNo">518</span> final TreeMap<byte[], List<Path>> committedFiles;<a name="line.518"></a> +<span class="sourceLineNo">519</span> final TreeMap<byte[], MemstoreSize> storeFlushableSize;<a name="line.519"></a> +<span class="sourceLineNo">520</span> final long startTime;<a name="line.520"></a> +<span class="sourceLineNo">521</span> final long flushOpSeqId;<a name="line.521"></a> +<span class="sourceLineNo">522</span> final long flushedSeqId;<a name="line.522"></a> +<span class="sourceLineNo">523</span> final MemstoreSize totalFlushableSize;<a name="line.523"></a> +<span class="sourceLineNo">524</span><a name="line.524"></a> +<span class="sourceLineNo">525</span> /** Constructs an early exit case */<a name="line.525"></a> +<span class="sourceLineNo">526</span> PrepareFlushResult(FlushResult result, long flushSeqId) {<a name="line.526"></a> +<span class="sourceLineNo">527</span> this(result, null, null, null, Math.max(0, flushSeqId), 0, 0, new MemstoreSize());<a name="line.527"></a> +<span class="sourceLineNo">528</span> }<a name="line.528"></a> +<span class="sourceLineNo">529</span><a name="line.529"></a> +<span class="sourceLineNo">530</span> /** Constructs a successful prepare flush result */<a name="line.530"></a> +<span class="sourceLineNo">531</span> PrepareFlushResult(<a name="line.531"></a> +<span class="sourceLineNo">532</span> TreeMap<byte[], StoreFlushContext> storeFlushCtxs,<a name="line.532"></a> +<span class="sourceLineNo">533</span> TreeMap<byte[], List<Path>> committedFiles,<a name="line.533"></a> +<span class="sourceLineNo">534</span> TreeMap<byte[], MemstoreSize> storeFlushableSize, long startTime, long flushSeqId,<a name="line.534"></a> +<span class="sourceLineNo">535</span> long flushedSeqId, MemstoreSize totalFlushableSize) {<a name="line.535"></a> +<span class="sourceLineNo">536</span> this(null, storeFlushCtxs, committedFiles, storeFlushableSize, startTime,<a name="line.536"></a> +<span class="sourceLineNo">537</span> flushSeqId, flushedSeqId, totalFlushableSize);<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> private PrepareFlushResult(<a name="line.540"></a> +<span class="sourceLineNo">541</span> FlushResult result,<a name="line.541"></a> +<span class="sourceLineNo">542</span> TreeMap<byte[], StoreFlushContext> storeFlushCtxs,<a name="line.542"></a> +<span class="sourceLineNo">543</span> TreeMap<byte[], List<Path>> committedFiles,<a name="line.543"></a> +<span class="sourceLineNo">544</span> TreeMap<byte[], MemstoreSize> storeFlushableSize, long startTime, long flushSeqId,<a name="line.544"></a> +<span class="sourceLineNo">545</span> long flushedSeqId, MemstoreSize totalFlushableSize) {<a name="line.545"></a> +<span class="sourceLineNo">546</span> this.result = result;<a name="line.546"></a> +<span class="sourceLineNo">547</span> this.storeFlushCtxs = storeFlushCtxs;<a name="line.547"></a> +<span class="sourceLineNo">548</span> this.committedFiles = committedFiles;<a name="line.548"></a> +<span class="sourceLineNo">549</span> this.storeFlushableSize = storeFlushableSize;<a name="line.549"></a> +<span class="sourceLineNo">550</span> this.startTime = startTime;<a name="line.550"></a> +<span class="sourceLineNo">551</span> this.flushOpSeqId = flushSeqId;<a name="line.551"></a> +<span class="sourceLineNo">552</span> this.flushedSeqId = flushedSeqId;<a name="line.552"></a> +<span class="sourceLineNo">553</span> this.totalFlushableSize = totalFlushableSize;<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> public FlushResult getResult() {<a name="line.556"></a> +<span class="sourceLineNo">557</span> return this.result;<a name="line.557"></a> +<span class="sourceLineNo">558</span> }<a name="line.558"></a> +<span class="sourceLineNo">559</span> }<a name="line.559"></a> +<span class="sourceLineNo">560</span><a name="line.560"></a> +<span class="sourceLineNo">561</span> /**<a name="line.561"></a> +<span class="sourceLineNo">562</span> * A class that tracks exceptions that have been observed in one batch. Not thread safe.<a name="line.562"></a> +<span class="sourceLineNo">563</span> */<a name="line.563"></a> +<span class="sourceLineNo">564</span> static class ObservedExceptionsInBatch {<a name="line.564"></a> +<span class="sourceLineNo">565</span> private boolean wrongRegion = false;<a name="line.565"></a> +<span class="sourceLineNo">566</span> private boolean failedSanityCheck = false;<a name="line.566"></a> +<span class="sourceLineNo">567</span> private boolean wrongFamily = false;<a name="line.567"></a> +<span class="sourceLineNo">568</span><a name="line.568"></a> +<span class="sourceLineNo">569</span> /**<a name="line.569"></a> +<span class="sourceLineNo">570</span> * @return If a {@link WrongRegionException} has been observed.<a name="line.570"></a> +<span class="sourceLineNo">571</span> */<a name="line.571"></a> +<span class="sourceLineNo">572</span> boolean hasSeenWrongRegion() {<a name="line.572"></a> +<span class="sourceLineNo">573</span> return wrongRegion;<a name="line.573"></a> +<span class="sourceLineNo">574</span> }<a name="line.574"></a> +<span class="sourceLineNo">575</span><a name="line.575"></a> +<span class="sourceLineNo">576</span> /**<a name="line.576"></a> +<span class="sourceLineNo">577</span> * Records that a {@link WrongRegionException} has been observed.<a name="line.577"></a> +<span class="sourceLineNo">578</span> */<a name="line.578"></a> +<span class="sourceLineNo">579</span> void sawWrongRegion() {<a name="line.579"></a> +<span class="sourceLineNo">580</span> wrongRegion = true;<a name="line.580"></a> +<span class="sourceLineNo">581</span> }<a name="line.581"></a> +<span class="sourceLineNo">582</span><a name="line.582"></a> +<span class="sourceLineNo">583</span> /**<a name="line.583"></a> +<span class="sourceLineNo">584</span> * @return If a {@link FailedSanityCheckException} has been observed.<a name="line.584"></a> +<span class="sourceLineNo">585</span> */<a name="line.585"></a> +<span class="sourceLineNo">586</span> boolean hasSeenFailedSanityCheck() {<a name="line.586"></a> +<span class="sourceLineNo">587</span> return failedSanityCheck;<a name="line.587"></a> +<span class="sourceLineNo">588</span> }<a name="line.588"></a> +<span class="sourceLineNo">589</span><a name="line.589"></a> +<span class="sourceLineNo">590</span> /**<a name="line.590"></a> +<span class="sourceLineNo">591</span> * Records that a {@link FailedSanityCheckException} has been observed.<a name="line.591"></a> +<span class="sourceLineNo">592</span> */<a name="line.592"></a> +<span class="sourceLineNo">593</span> void sawFailedSanityCheck() {<a name="line.593"></a> +<span class="sourceLineNo">594</span> failedSanityCheck = true;<a name="line.594"></a> +<span class="sourceLineNo">595</span> }<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> * @return If a {@link NoSuchColumnFamilyException} has been observed.<a name="line.598"></a> +<span class="sourceLineNo">599</span> */<a name="line.599"></a> +<span class="sourceLineNo">600</span> boolean hasSeenNoSuchFamily() {<a name="line.600"></a> +<span class="sourceLineNo">601</span> return wrongFamily;<a name="line.601"></a> +<span class="sourceLineNo">602</span> }<a name="line.602"></a> +<span class="sourceLineNo">603</span><a name="line.603"></a> +<span class="sourceLineNo">604</span> /**<a name="line.604"></a> +<span class="sourceLineNo">605</span> * Records that a {@link NoSuchColumnFamilyException} has been observed.<a name="line.605"></a> +<span class="sourceLineNo">606</span> */<a name="line.606"></a> +<span class="sourceLineNo">607</span> void sawNoSuchFamily() {<a name="line.607"></a> +<span class="sourceLineNo">608</span> wrongFamily = true;<a name="line.608"></a> +<span class="sourceLineNo">609</span> }<a name="line.609"></a> +<span class="sourceLineNo">610</span> }<a name="line.610"></a> <span class="sourceLineNo">611</span><a name="line.611"></a> -<span class="sourceLineNo">612</span> long memstoreFlushSize;<a name="line.612"></a> -<span class="sourceLineNo">613</span> final long timestampSlop;<a name="line.613"></a> -<span class="sourceLineNo">614</span> final long rowProcessorTimeout;<a name="line.614"></a> -<span class="sourceLineNo">615</span><a name="line.615"></a> -<span class="sourceLineNo">616</span> // Last flush time for each Store. Useful when we are flushing for each column<a name="line.616"></a> -<span class="sourceLineNo">617</span> private final ConcurrentMap<Store, Long> lastStoreFlushTimeMap = new ConcurrentHashMap<>();<a name="line.617"></a> -<span class="sourceLineNo">618</span><a name="line.618"></a> -<span class="sourceLineNo">619</span> final RegionServerServices rsServices;<a name="line.619"></a> -<span class="sourceLineNo">620</span> private RegionServerAccounting rsAccounting;<a name="line.620"></a> -<span class="sourceLineNo">621</span> private long flushCheckInterval;<a name="line.621"></a> -<span class="sourceLineNo">622</span> // flushPerChanges is to prevent too many changes in memstore<a name="line.622"></a> -<span class="sourceLineNo">623</span> private long flushPerChanges;<a name="line.623"></a> -<span class="sourceLineNo">624</span> private long blockingMemStoreSize;<a name="line.624"></a> -<span class="sourceLineNo">625</span> final long threadWakeFrequency;<a name="line.625"></a> -<span class="sourceLineNo">626</span> // Used to guard closes<a name="line.626"></a> -<span class="sourceLineNo">627</span> final ReentrantReadWriteLock lock = new ReentrantReadWriteLock();<a name="line.627"></a> -<span class="sourceLineNo">628</span><a name="line.628"></a> -<span class="sourceLineNo">629</span> // Stop updates lock<a name="line.629"></a> -<span class="sourceLineNo">630</span> private final ReentrantReadWriteLock updatesLock = new ReentrantReadWriteLock();<a name="line.630"></a> -<span class="sourceLineNo">631</span> private boolean splitRequest;<a name="line.631"></a> -<span class="sourceLineNo">632</span> private byte[] explicitSplitPoint = null;<a name="line.632"></a> -<span class="sourceLineNo">633</span><a name="line.633"></a> -<span class="sourceLineNo">634</span> private final MultiVersionConcurrencyControl mvcc = new MultiVersionConcurrencyControl();<a name="line.634"></a> +<span class="sourceLineNo">612</span> final WriteState writestate = new WriteState();<a name="line.612"></a> +<span class="sourceLineNo">613</span><a name="line.613"></a> +<span class="sourceLineNo">614</span> long memstoreFlushSize;<a name="line.614"></a> +<span class="sourceLineNo">615</span> final long timestampSlop;<a name="line.615"></a> +<span class="sourceLineNo">616</span> final long rowProcessorTimeout;<a name="line.616"></a> +<span class="sourceLineNo">617</span><a name="line.617"></a> +<span class="sourceLineNo">618</span> // Last flush time for each Store. Useful when we are flushing for each column<a name="line.618"></a> +<span class="sourceLineNo">619</span> private final ConcurrentMap<Store, Long> lastStoreFlushTimeMap = new ConcurrentHashMap<>();<a name="line.619"></a> +<span class="sourceLineNo">620</span><a name="line.620"></a> +<span class="sourceLineNo">621</span> final RegionServerServices rsServices;<a name="line.621"></a> +<span class="sourceLineNo">622</span> private RegionServerAccounting rsAccounting;<a name="line.622"></a> +<span class="sourceLineNo">623</span> private long flushCheckInterval;<a name="line.623"></a> +<span class="sourceLineNo">624</span> // flushPerChanges is to prevent too many changes in memstore<a name="line.624"></a> +<span class="sourceLineNo">625</span> private long flushPerChanges;<a name="line.625"></a> +<span class="sourceLineNo">626</span> private long blockingMemStoreSize;<a name="line.626"></a> +<span class="sourceLineNo">627</span> final long threadWakeFrequency;<a name="line.627"></a> +<span class="sourceLineNo">628</span> // Used to guard closes<a name="line.628"></a> +<span class="sourceLineNo">629</span> final ReentrantReadWriteLock lock = new ReentrantReadWriteLock();<a name="line.629"></a> +<span class="sourceLineNo">630</span><a name="line.630"></a> +<span class="sourceLineNo">631</span> // Stop updates lock<a name="line.631"></a> +<span class="sourceLineNo">632</span> private final ReentrantReadWriteLock updatesLock = new ReentrantReadWriteLock();<a name="line.632"></a> +<span class="sourceLineNo">633</span> private boolean splitRequest;<a name="line.633"></a> +<span class="sourceLineNo">634</span> private byte[] explicitSplitPoint = null;<a name="line.634"></a> <span class="sourceLineNo">635</span><a name="line.635"></a> -<span class="sourceLineNo">636</span> // Coprocessor host<a name="line.636"></a> -<span class="sourceLineNo">637</span> private RegionCoprocessorHost coprocessorHost;<a name="line.637"></a> -<span class="sourceLineNo">638</span><a name="line.638"></a> -<span class="sourceLineNo">639</span> private TableDescriptor htableDescriptor = null;<a name="line.639"></a> -<span class="sourceLineNo">640</span> private RegionSplitPolicy splitPolicy;<a name="line.640"></a> -<span class="sourceLineNo">641</span> private FlushPolicy flushPolicy;<a name="line.641"></a> -<span class="sourceLineNo">642</span><a name="line.642"></a> -<span class="sourceLineNo">643</span> private final MetricsRegion metricsRegion;<a name="line.643"></a> -<span class="sourceLineNo">644</span> private final MetricsRegionWrapperImpl metricsRegionWrapper;<a name="line.644"></a> -<span class="sourceLineNo">645</span> private final Durability durability;<a name="line.645"></a> -<span class="sourceLineNo">646</span> private final boolean regionStatsEnabled;<a name="line.646"></a> -<span class="sourceLineNo">647</span> // Stores the replication scope of the various column families of the table<a name="line.647"></a> -<span class="sourceLineNo">648</span> // that has non-default scope<a name="line.648"></a> -<span class="sourceLineNo">649</span> private final NavigableMap<byte[], Integer> replicationScope = new TreeMap<>(<a name="line.649"></a> -<span class="sourceLineNo">650</span> Bytes.BYTES_COMPARATOR);<a name="line.650"></a> -<span class="sourceLineNo">651</span><a name="line.651"></a> -<span class="sourceLineNo">652</span> // whether to unassign region if we hit FNFE<a name="line.652"></a> -<span class="sourceLineNo">653</span> private final RegionUnassigner regionUnassigner;<a name="line.653"></a> -<span class="sourceLineNo">654</span> /**<a name="line.654"></a> -<span class="sourceLineNo">655</span> * HRegion constructor. This constructor should only be used for testing and<a name="line.655"></a> -<span class="sourceLineNo">656</span> * extensions. Instances of HRegion should be instantiated with the<a name="line.656"></a> -<span class="sourceLineNo">657</span> * {@link HRegion#createHRegion} or {@link HRegion#openHRegion} method.<a name="line.657"></a> -<span class="sourceLineNo">658</span> *<a name="line.658"></a> -<span class="sourceLineNo">659</span> * @param tableDir qualified path of directory where region should be located,<a name="line.659"></a> -<span class="sourceLineNo">660</span> * usually the table directory.<a name="line.660"></a> -<span class="sourceLineNo">661</span> * @param wal The WAL is the outbound log for any updates to the HRegion<a name="line.661"></a> -<span class="sourceLineNo">662</span> * The wal file is a logfile from the previous execution that's<a name="line.662"></a> -<span class="sourceLineNo">663</span> * custom-computed for this HRegion. The HRegionServer computes and sorts the<a name="line.663"></a> -<span class="sourceLineNo">664</span> * appropriate wal info for this HRegion. If there is a previous wal file<a name="line.664"></a> -<span class="sourceLineNo">665</span> * (implying that the HRegion has been written-to before), then read it from<a name="line.665"></a> -<span class="sourceLineNo">666</span> * the supplied path.<a name="line.666"></a> -<span class="sourceLineNo">667</span> * @param fs is the filesystem.<a name="line.667"></a> -<span class="sourceLineNo">668</span> * @param confParam is global configuration settings.<a name="line.668"></a> -<span class="sourceLineNo">669</span> * @param regionInfo - HRegionInfo that describes the region<a name="line.669"></a> -<span class="sourceLineNo">670</span> * is new), then read them from the supplied path.<a name="line.670"></a> -<span class="sourceLineNo">671</span> * @param htd the table descriptor<a name="line.671"></a> -<span class="sourceLineNo">672</span> * @param rsServices reference to {@link RegionServerServices} or null<a name="line.672"></a> -<span class="sourceLineNo">673</span> * @deprecated Use other constructors.<a name="line.673"></a> -<span class="sourceLineNo">674</span> */<a name="line.674"></a> -<span class="sourceLineNo">675</span> @Deprecated<a name="line.675"></a> -<span class="sourceLineNo">676</span> @VisibleForTesting<a name="line.676"></a> -<span class="sourceLineNo">677</span> public HRegion(final Path tableDir, final WAL wal, final FileSystem fs,<a name="line.677"></a> -<span class="sourceLineNo">678</span> final Configuration confParam, final HRegionInfo regionInfo,<a name="line.678"></a> -<span class="sourceLineNo">679</span> final TableDescriptor htd, final RegionServerServices rsServices) {<a name="line.679"></a> -<span class="sourceLineNo">680</span> this(new HRegionFileSystem(confParam, fs, tableDir, regionInfo),<a name="line.680"></a> -<span class="sourceLineNo">681</span> wal, confParam, htd, rsServices);<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> /**<a name="line.684"></a> -<span class="sourceLineNo">685</span> * HRegion constructor. This constructor should only be used for testing and<a name="line.685"></a> -<span class="sourceLineNo">686</span> * extensions. Instances of HRegion should be instantiated with the<a name="line.686"></a> -<span class="sourceLineNo">687</span> * {@link HRegion#createHRegion} or {@link HRegion#openHRegion} method.<a name="line.687"></a> -<span class="sourceLineNo">688</span> *<a name="line.688"></a> -<span class="sourceLineNo">689</span> * @param fs is the filesystem.<a name="line.689"></a> -<span class="sourceLineNo">690</span> * @param wal The WAL is the outbound log for any updates to the HRegion<a name="line.690"></a> -<span class="sourceLineNo">691</span> * The wal file is a logfile from the previous execution that's<a name="line.691"></a> -<span class="sourceLineNo">692</span> * custom-computed for this HRegion. The HRegionServer computes and sorts the<a name="line.692"></a> -<span class="sourceLineNo">693</span> * appropriate wal info for this HRegion. If there is a previous wal file<a name="line.693"></a> -<span class="sourceLineNo">694</span> * (implying that the HRegion has been written-to before), then read it from<a name="line.694"></a> -<span class="sourceLineNo">695</span> * the supplied path.<a name="line.695"></a> -<span class="sourceLineNo">696</span> * @param confParam is global configuration settings.<a name="line.696"></a> -<span class="sourceLineNo">697</span> * @param htd the table descriptor<a name="line.697"></a> -<span class="sourceLineNo">698</span> * @param rsServices reference to {@link RegionServerServices} or null<a name="line.698"></a> -<span class="sourceLineNo">699</span> */<a name="line.699"></a> -<span class="sourceLineNo">700</span> public HRegion(final HRegionFileSystem fs, final WAL wal, final Configuration confParam,<a name="line.700"></a> -<span class="sourceLineNo">701</span> final TableDescriptor htd, final RegionServerServices rsServices) {<a name="line.701"></a> -<span class="sourceLineNo">702</span> if (htd == null) {<a name="line.702"></a> -<span class="sourceLineNo">703</span> throw new IllegalArgumentException("Need table descriptor");<a name="line.703"></a> -<span class="sourceLineNo">704</span> }<a name="line.704"></a> -<span class="sourceLineNo">705</span><a name="line.705"></a> -<span class="sourceLineNo">706</span> if (confParam instanceof CompoundConfiguration) {<a name="line.706"></a> -<span class="sourceLineNo">707</span> throw new IllegalArgumentException("Need original base configuration");<a name="line.707"></a> -<span class="sourceLineNo">708</span> }<a name="line.708"></a> -<span class="sourceLineNo">709</span><a name="line.709"></a> -<span class="sourceLineNo">710</span> this.wal = wal;<a name="line.710"></a> -<span class="sourceLineNo">711</span> this.fs = fs;<a name="line.711"></a> -<span class="sourceLineNo">712</span><a name="line.712"></a> -<span class="sourceLineNo">713</span> // 'conf' renamed to 'confParam' b/c we use this.conf in the constructor<a name="line.713"></a> -<span class="sourceLineNo">714</span> this.baseConf = confParam;<a name="line.714"></a> -<span class="sourceLineNo">715</span> this.conf = new CompoundConfiguration()<a name="line.715"></a> -<span class="sourceLineNo">716</span> .add(confParam)<a name="line.716"></a> -<span class="sourceLineNo">717</span> .addStringMap(htd.getConfiguration())<a name="line.717"></a> -<span class="sourceLineNo">718</span> .addBytesMap(htd.getValues());<a name="line.718"></a> -<span class="sourceLineNo">719</span> this.flushCheckInterval = conf.getInt(MEMSTORE_PERIODIC_FLUSH_INTERVAL,<a name="line.719"></a> -<span class="sourceLineNo">720</span> DEFAULT_CACHE_FLUSH_INTERVAL);<a name="line.720"></a> -<span class="sourceLineNo">721</span> this.flushPerChanges = conf.getLong(MEMSTORE_FLUSH_PER_CHANGES, DEFAULT_FLUSH_PER_CHANGES);<a name="line.721"></a> -<span class="sourceLineNo">722</span> if (this.flushPerChanges > MAX_FLUSH_PER_CHANGES) {<a name="line.722"></a> -<span class="sourceLineNo">723</span> throw new IllegalArgumentException(MEMSTORE_FLUSH_PER_CHANGES + " can not exceed "<a name="line.723"></a> -<span class="sourceLineNo">724</span> + MAX_FLUSH_PER_CHANGES);<a name="line.724"></a> -<span class="sourceLineNo">725</span> }<a name="line.725"></a> -<span class="sourceLineNo">726</span> this.rowLockWaitDuration = conf.getInt("hbase.rowlock.wait.duration",<a name="line.726"></a> -<span class="sourceLineNo">727</span> DEFAULT_ROWLOCK_WAIT_DURATION);<a name="line.727"></a> -<span class="sourceLineNo">728</span><a name="line.728"></a> -<span class="sourceLineNo">729</span> this.isLoadingCfsOnDemandDefault = conf.getBoolean(LOAD_CFS_ON_DEMAND_CONFIG_KEY, true);<a name="line.729"></a> -<span class="sourceLineNo">730</span> this.htableDescriptor = htd;<a name="line.730"></a> -<span class="sourceLineNo">731</span> Set<byte[]> families = this.htableDescriptor.getColumnFamilyNames();<a name="line.731"></a> -<span class="sourceLineNo">732</span> for (byte[] family : families) {<a name="line.732"></a> -<span class="sourceLineNo">733</span> if (!replicationScope.containsKey(family)) {<a name="line.733"></a> -<span class="sourceLineNo">734</span> int scope = htd.getColumnFamily(family).getScope();<a name="line.734"></a> -<span class="sourceLineNo">735</span> // Only store those families that has NON-DEFAULT scope<a name="line.735"></a> -<span class="sourceLineNo">736</span> if (scope != REPLICATION_SCOPE_LOCAL) {<a name="line.736"></a> -<span class="sourceLineNo">737</span> // Do a copy before storing it here.<a name="line.737"></a> -<span class="sourceLineNo">738</span> replicationScope.put(Bytes.copy(family), scope);<a name="line.738"></a> -<span class="sourceLineNo">739</span> }<a name="line.739"></a> -<span class="sourceLineNo">740</span> }<a name="line.740"></a> -<span class="sourceLineNo">741</span> }<a name="line.741"></a> -<span class="sourceLineNo">742</span> this.rsServices = rsServices;<a name="line.742"></a> -<span class="sourceLineNo">743</span> this.threadWakeFrequency = conf.getLong(HConstants.THREAD_WAKE_FREQUENCY, 10 * 1000);<a name="line.743"></a> -<span class="sourceLineNo">744</span> setHTableSpecificConf();<a name="line.744"></a> -<span class="sourceLineNo">745</span> this.scannerReadPoints = new ConcurrentHashMap<>();<a name="line.745"></a> -<span class="sourceLineNo">746</span><a name="line.746"></a> -<span class="sourceLineNo">747</span> this.busyWaitDuration = conf.getLong(<a name="line.747"></a> -<span class="sourceLineNo">748</span> "hbase.busy.wait.duration", DEFAULT_BUSY_WAIT_DURATION);<a name="line.748"></a> -<span class="sourceLineNo">749</span> this.maxBusyWaitMultiplier = conf.getInt("hbase.busy.wait.multiplier.max", 2);<a name="line.749"></a> -<span class="sourceLineNo">750</span> if (busyWaitDuration * maxBusyWaitMultiplier <= 0L) {<a name="line.750"></a> -<span class="sourceLineNo">751</span> throw new IllegalArgumentException("Invalid hbase.busy.wait.duration ("<a name="line.751"></a> -<span class="sourceLineNo">752</span> + busyWaitDuration + ") or hbase.busy.wait.multiplier.max ("<a name="line.752"></a> -<span class="sourceLineNo">753</span> + maxBusyWaitMultiplier + "). Their product should be positive");<a name="line.753"></a> -<span class="sourceLineNo">754</span> }<a name="line.754"></a> -<span class="sourceLineNo">755</span> this.maxBusyWaitDuration = conf.getLong("hbase.ipc.client.call.purge.timeout",<a name="line.755"></a> -<span class="sourceLineNo">756</span> 2 * HConstants.DEFAULT_HBASE_RPC_TIMEOUT);<a name="line.756"></a> -<span class="sourceLineNo">757</span><a name="line.757"></a> -<span class="sourceLineNo">758</span> /*<a name="line.758"></a> -<span class="sourceLineNo">759</span> * timestamp.slop provides a server-side constraint on the timestamp. This<a name="line.759"></a> -<span class="sourceLineNo">760</span> * assumes that you base your TS around currentTimeMillis(). In this case,<a name="line.760"></a> -<span class="sourceLineNo">761</span> * throw an error to the user if the user-specified TS is newer than now +<a name="line.761"></a> -<span class="sourceLineNo">762</span> * slop. LATEST_TIMESTAMP == don't use this functionality<a name="line.762"></a> -<span class="sourceLineNo">763</span> */<a name="line.763"></a> -<span class="sourceLineNo">764</span> this.timestampSlop = conf.getLong(<a name="line.764"></a> -<span class="sourceLineNo">765</span> "hbase.hregion.keyvalue.timestamp.slop.millisecs",<a name="line.765"></a> -<span class="sourceLineNo">766</span> HConstants.LATEST_TIMESTAMP);<a name="line.766"></a> -<span class="sourceLineNo">767</span><a name="line.767"></a> -<span class="sourceLineNo">768</span> /**<a name="line.768"></a> -<span class="sourceLineNo">769</span> * Timeout for the process time in processRowsWithLocks().<a name="line.769"></a> -<span class="sourceLineNo">770</span> * Use -1 to switch off time bound.<a name="line.770"></a> -<span class="sourceLineNo">771</span> */<a name="line.771"></a> -<span class="sourceLineNo">772</span> this.rowProcessorTimeout = conf.getLong(<a name="line.772"></a> -<span class="sourceLineNo">773</span> "hbase.hregion.row.processor.timeout", DEFAULT_ROW_PROCESSOR_TIMEOUT);<a name="line.773"></a> -<span class="sourceLineNo">774</span> this.durability = htd.getDurability() == Durability.USE_DEFAULT<a name="line.774"></a> -<span class="sourceLineNo">775</span> ? DEFAULT_DURABILITY<a name="line.775"></a> -<span class="sourceLineNo">776</span> : htd.getDurability();<a name="line.776"></a> -<span class="sourceLineNo">777</span> if (rsServices != null) {<a name="line.777"></a> -<span class="sourceLineNo">778</span> this.rsAccounting = this.rsServices.getRegionServerAccounting();<a name="line.778"></a> -<span class="sourceLineNo">779</span> // don't initialize coprocessors if not running within a regionserver<a name="line.779"></a> -<span class="sourceLineNo">780</span> // TODO: revisit if coprocessors should load in other cases<a name="line.780"></a> -<span class="sourceLineNo">781</span> this.coprocessorHost = new RegionCoprocessorHost(this, rsServices, conf);<a name="line.781"></a> -<span class="sourceLineNo">782</span> this.metricsRegionWrapper = new MetricsRegionWrapperImpl(this);<a name="line.782"></a> -<span class="sourceLineNo">783</span> this.metricsRegion = new MetricsRegion(this.metricsRegionWrapper);<a name="line.783"></a> -<span class="sourceLineNo">784</span><a name="line.784"></a> -<span class="sourceLineNo">785</span> Map<String, Region> recoveringRegions = rsServices.getRecoveringRegions();<a name="line.785"></a> -<span class="sourceLineNo">786</span> String encodedName = getRegionInfo().getEncodedName();<a name="line.786"></a> -<span class="sourceLineNo">787</span> if (recoveringRegions != null && recoveringRegions.containsKey(encodedName)) {<a name="line.787"></a> -<span class="sourceLineNo">788</span> this.recovering = true;<a name="line.788"></a> -<span class="sourceLineNo">789</span> recoveringRegions.put(encodedName, this);<a name="line.789"></a> -<span class="sourceLineNo">790</span> }<a name="line.790"></a> -<span class="sourceLineNo">791</span> } else {<a name="line.791"></a> -<span class="sourceLineNo">792</span> this.metricsRegionWrapper = null;<a name="line.792"></a> -<span class="sourceLineNo">793</span> this.metricsRegion = null;<a name="line.793"></a> -<span class="sourceLineNo">794</span> }<a name="line.794"></a> -<span class="sourceLineNo">795</span> if (LOG.isDebugEnabled()) {<a name="line.795"></a> -<span class="sourceLineNo">796</span> // Write out region name as string and its encoded name.<a name="line.796"></a> -<span class="sourceLineNo">797</span> LOG.debug("Instantiated " + this);<a name="line.797"></a> -<span class="sourceLineNo">798</span> }<a name="line.798"></a> -<span class="sourceLineNo">799</span><a name="line.799"></a> -<span class="sourceLineNo">800</span> // by default, we allow writes against a region when it's in recovering<a name="line.800"></a> -<span class="sourceLineNo">801</span> this.disallowWritesInRecovering =<a name="line.801"></a> -<span class="sourceLineNo">802</span> conf.getBoolean(HConstants.DISALLOW_WRITES_IN_RECOVERING,<a name="line.802"></a> -<span class="sourceLineNo">803</span> HConstants.DEFAULT_DISALLOW_WRITES_IN_RECOVERING_CONFIG);<a name="line.803"></a> -<span class="sourceLineNo">804</span> configurationManager = Optional.absent();<a name="line.804"></a> -<span class="sourceLineNo">805</span><a name="line.805"></a> -<span class="sourceLineNo">806</span> // disable stats tracking system tables, but check the config for everything else<a name="line.806"></a> -<span class="sourceLineNo">807</span> this.regionStatsEnabled = htd.getTableName().getNamespaceAsString().equals(<a name="line.807"></a> -<span class="sourceLineNo">808</span> NamespaceDescriptor.SYSTEM_NAMESPACE_NAME_STR) ?<a name="line.808"></a> -<span class="sourceLineNo">809</span> false :<a name="line.809"></a> -<span class="sourceLineNo">810</span> conf.getBoolean(HConstants.ENABLE_CLIENT_BACKPRESSURE,<a name="line.810"></a> -<span class="sourceLineNo">811</span> HConstants.DEFAULT_ENABLE_CLIENT_BACKPRESSURE);<a name="line.811"></a> -<span class="sourceLineNo">812</span><a name="line.812"></a> -<span class="sourceLineNo">813</span> this.maxCellSize = conf.getLong(HBASE_MAX_CELL_SIZE_KEY, DEFAULT_MAX_CELL_SIZE);<a name="line.813"></a> +<span class="sourceLineNo">636</span> private final MultiVersionConcurrencyControl mvcc = new MultiVersionConcurrencyControl();<a name="line.636"></a> +<span class="sourceLineNo">637</span><a name="line.637"></a> +<span class="sourceLineNo">638</span> // Coprocessor host<a name="line.638"></a> +<span class="sourceLineNo">639</span> private RegionCoprocessorHost coprocessorHost;<a name="line.639"></a> +<span class="sourceLineNo">640</span><a name="line.640"></a> +<span class="sourceLineNo">641</span> private TableDescriptor htableDescriptor = null;<a name="line.641"></a> +<span class="sourceLineNo">642</span> private RegionSplitPolicy splitPolicy;<a name="line.642"></a> +<span class="sourceLineNo">643</span> private FlushPolicy flushPolicy;<a name="line.643"></a> +<span class="sourceLineNo">644</span><a name="line.644"></a> +<span class="sourceLineNo">645</span> private final MetricsRegion metricsRegion;<a name="line.645"></a> +<span class="sourceLineNo">646</span> private final MetricsRegionWrapperImpl metricsRegionWrapper;<a name="line.646"></a> +<span class="sourceLineNo">647</span> private final Durability durability;<a name="line.647"></a> +<span class="sourceLineNo">648</span> private final boolean regionStatsEnabled;<a name="line.648"></a> +<span class="sourceLineNo">649</span> // Stores the replication scope of the various column families of the table<a name="line.649"></a> +<span class="sourceLineNo">650</span> // that has non-default scope<a name="line.650"></a> +<span class="sourceLineNo">651</span> private final NavigableMap<byte[], Integer> replicationScope = new TreeMap<>(<a name="line.651"></a> +<span class="sourceLineNo">652</span> Bytes.BYTES_COMPARATOR);<a name="line.652"></a> +<span class="sourceLineNo">653</span><a name="line.653"></a> +<span class="sourceLineNo">654</span> // whether to unassign region if we hit FNFE<a name="line.654"></a> +<span class="sourceLineNo">655</span> private final RegionUnassigner regionUnassigner;<a name="line.655"></a> +<span
<TRUNCATED>