http://git-wip-us.apache.org/repos/asf/hbase-site/blob/83fd16f2/devapidocs/src-html/org/apache/hadoop/hbase/regionserver/MemStoreFlusher.FlushQueueEntry.html ---------------------------------------------------------------------- diff --git a/devapidocs/src-html/org/apache/hadoop/hbase/regionserver/MemStoreFlusher.FlushQueueEntry.html b/devapidocs/src-html/org/apache/hadoop/hbase/regionserver/MemStoreFlusher.FlushQueueEntry.html index 0bc3ddb..42dc187 100644 --- a/devapidocs/src-html/org/apache/hadoop/hbase/regionserver/MemStoreFlusher.FlushQueueEntry.html +++ b/devapidocs/src-html/org/apache/hadoop/hbase/regionserver/MemStoreFlusher.FlushQueueEntry.html @@ -468,8 +468,8 @@ <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> @Override<a name="line.462"></a> -<span class="sourceLineNo">463</span> public void requestFlush(HRegion r, boolean forceFlushAllStores, FlushLifeCycleTracker tracker) {<a name="line.463"></a> -<span class="sourceLineNo">464</span> r.incrementFlushesQueuedCount();<a name="line.464"></a> +<span class="sourceLineNo">463</span> public boolean requestFlush(HRegion r, boolean forceFlushAllStores,<a name="line.463"></a> +<span class="sourceLineNo">464</span> FlushLifeCycleTracker tracker) {<a name="line.464"></a> <span class="sourceLineNo">465</span> synchronized (regionsInQueue) {<a name="line.465"></a> <span class="sourceLineNo">466</span> if (!regionsInQueue.containsKey(r)) {<a name="line.466"></a> <span class="sourceLineNo">467</span> // This entry has no delay so it will be added at the top of the flush<a name="line.467"></a> @@ -477,476 +477,481 @@ <span class="sourceLineNo">469</span> FlushRegionEntry fqe = new FlushRegionEntry(r, forceFlushAllStores, tracker);<a name="line.469"></a> <span class="sourceLineNo">470</span> this.regionsInQueue.put(r, fqe);<a name="line.470"></a> <span class="sourceLineNo">471</span> this.flushQueue.add(fqe);<a name="line.471"></a> -<span class="sourceLineNo">472</span> } else {<a name="line.472"></a> -<span class="sourceLineNo">473</span> tracker.notExecuted("Flush already requested on " + r);<a name="line.473"></a> -<span class="sourceLineNo">474</span> }<a name="line.474"></a> -<span class="sourceLineNo">475</span> }<a name="line.475"></a> -<span class="sourceLineNo">476</span> }<a name="line.476"></a> -<span class="sourceLineNo">477</span><a name="line.477"></a> -<span class="sourceLineNo">478</span> @Override<a name="line.478"></a> -<span class="sourceLineNo">479</span> public void requestDelayedFlush(HRegion r, long delay, boolean forceFlushAllStores) {<a name="line.479"></a> -<span class="sourceLineNo">480</span> r.incrementFlushesQueuedCount();<a name="line.480"></a> -<span class="sourceLineNo">481</span> synchronized (regionsInQueue) {<a name="line.481"></a> -<span class="sourceLineNo">482</span> if (!regionsInQueue.containsKey(r)) {<a name="line.482"></a> -<span class="sourceLineNo">483</span> // This entry has some delay<a name="line.483"></a> -<span class="sourceLineNo">484</span> FlushRegionEntry fqe =<a name="line.484"></a> -<span class="sourceLineNo">485</span> new FlushRegionEntry(r, forceFlushAllStores, FlushLifeCycleTracker.DUMMY);<a name="line.485"></a> -<span class="sourceLineNo">486</span> fqe.requeue(delay);<a name="line.486"></a> -<span class="sourceLineNo">487</span> this.regionsInQueue.put(r, fqe);<a name="line.487"></a> -<span class="sourceLineNo">488</span> this.flushQueue.add(fqe);<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> }<a name="line.491"></a> -<span class="sourceLineNo">492</span><a name="line.492"></a> -<span class="sourceLineNo">493</span> public int getFlushQueueSize() {<a name="line.493"></a> -<span class="sourceLineNo">494</span> return flushQueue.size();<a name="line.494"></a> -<span class="sourceLineNo">495</span> }<a name="line.495"></a> -<span class="sourceLineNo">496</span><a name="line.496"></a> -<span class="sourceLineNo">497</span> /**<a name="line.497"></a> -<span class="sourceLineNo">498</span> * Only interrupt once it's done with a run through the work loop.<a name="line.498"></a> -<span class="sourceLineNo">499</span> */<a name="line.499"></a> -<span class="sourceLineNo">500</span> void interruptIfNecessary() {<a name="line.500"></a> -<span class="sourceLineNo">501</span> lock.writeLock().lock();<a name="line.501"></a> -<span class="sourceLineNo">502</span> try {<a name="line.502"></a> -<span class="sourceLineNo">503</span> for (FlushHandler flushHander : flushHandlers) {<a name="line.503"></a> -<span class="sourceLineNo">504</span> if (flushHander != null) flushHander.interrupt();<a name="line.504"></a> -<span class="sourceLineNo">505</span> }<a name="line.505"></a> -<span class="sourceLineNo">506</span> } finally {<a name="line.506"></a> -<span class="sourceLineNo">507</span> lock.writeLock().unlock();<a name="line.507"></a> -<span class="sourceLineNo">508</span> }<a name="line.508"></a> -<span class="sourceLineNo">509</span> }<a name="line.509"></a> -<span class="sourceLineNo">510</span><a name="line.510"></a> -<span class="sourceLineNo">511</span> synchronized void start(UncaughtExceptionHandler eh) {<a name="line.511"></a> -<span class="sourceLineNo">512</span> ThreadFactory flusherThreadFactory = Threads.newDaemonThreadFactory(<a name="line.512"></a> -<span class="sourceLineNo">513</span> server.getServerName().toShortString() + "-MemStoreFlusher", eh);<a name="line.513"></a> -<span class="sourceLineNo">514</span> for (int i = 0; i < flushHandlers.length; i++) {<a name="line.514"></a> -<span class="sourceLineNo">515</span> flushHandlers[i] = new FlushHandler("MemStoreFlusher." + i);<a name="line.515"></a> -<span class="sourceLineNo">516</span> flusherThreadFactory.newThread(flushHandlers[i]);<a name="line.516"></a> -<span class="sourceLineNo">517</span> flushHandlers[i].start();<a name="line.517"></a> -<span class="sourceLineNo">518</span> }<a name="line.518"></a> -<span class="sourceLineNo">519</span> }<a name="line.519"></a> -<span class="sourceLineNo">520</span><a name="line.520"></a> -<span class="sourceLineNo">521</span> boolean isAlive() {<a name="line.521"></a> -<span class="sourceLineNo">522</span> for (FlushHandler flushHander : flushHandlers) {<a name="line.522"></a> -<span class="sourceLineNo">523</span> if (flushHander != null && flushHander.isAlive()) {<a name="line.523"></a> -<span class="sourceLineNo">524</span> return true;<a name="line.524"></a> -<span class="sourceLineNo">525</span> }<a name="line.525"></a> -<span class="sourceLineNo">526</span> }<a name="line.526"></a> -<span class="sourceLineNo">527</span> return false;<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> void join() {<a name="line.530"></a> -<span class="sourceLineNo">531</span> for (FlushHandler flushHander : flushHandlers) {<a name="line.531"></a> -<span class="sourceLineNo">532</span> if (flushHander != null) {<a name="line.532"></a> -<span class="sourceLineNo">533</span> Threads.shutdown(flushHander.getThread());<a name="line.533"></a> -<span class="sourceLineNo">534</span> }<a name="line.534"></a> -<span class="sourceLineNo">535</span> }<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> /**<a name="line.538"></a> -<span class="sourceLineNo">539</span> * A flushRegion that checks store file count. If too many, puts the flush<a name="line.539"></a> -<span class="sourceLineNo">540</span> * on delay queue to retry later.<a name="line.540"></a> -<span class="sourceLineNo">541</span> * @param fqe<a name="line.541"></a> -<span class="sourceLineNo">542</span> * @return true if the region was successfully flushed, false otherwise. If<a name="line.542"></a> -<span class="sourceLineNo">543</span> * false, there will be accompanying log messages explaining why the region was<a name="line.543"></a> -<span class="sourceLineNo">544</span> * not flushed.<a name="line.544"></a> -<span class="sourceLineNo">545</span> */<a name="line.545"></a> -<span class="sourceLineNo">546</span> private boolean flushRegion(final FlushRegionEntry fqe) {<a name="line.546"></a> -<span class="sourceLineNo">547</span> HRegion region = fqe.region;<a name="line.547"></a> -<span class="sourceLineNo">548</span> if (!region.getRegionInfo().isMetaRegion() && isTooManyStoreFiles(region)) {<a name="line.548"></a> -<span class="sourceLineNo">549</span> if (fqe.isMaximumWait(this.blockingWaitTime)) {<a name="line.549"></a> -<span class="sourceLineNo">550</span> LOG.info("Waited " + (EnvironmentEdgeManager.currentTime() - fqe.createTime) +<a name="line.550"></a> -<span class="sourceLineNo">551</span> "ms on a compaction to clean up 'too many store files'; waited " +<a name="line.551"></a> -<span class="sourceLineNo">552</span> "long enough... proceeding with flush of " +<a name="line.552"></a> -<span class="sourceLineNo">553</span> region.getRegionInfo().getRegionNameAsString());<a name="line.553"></a> -<span class="sourceLineNo">554</span> } else {<a name="line.554"></a> -<span class="sourceLineNo">555</span> // If this is first time we've been put off, then emit a log message.<a name="line.555"></a> -<span class="sourceLineNo">556</span> if (fqe.getRequeueCount() <= 0) {<a name="line.556"></a> -<span class="sourceLineNo">557</span> // Note: We don't impose blockingStoreFiles constraint on meta regions<a name="line.557"></a> -<span class="sourceLineNo">558</span> LOG.warn("{} has too many store files({}); delaying flush up to {} ms",<a name="line.558"></a> -<span class="sourceLineNo">559</span> region.getRegionInfo().getEncodedName(), getStoreFileCount(region),<a name="line.559"></a> -<span class="sourceLineNo">560</span> this.blockingWaitTime);<a name="line.560"></a> -<span class="sourceLineNo">561</span> if (!this.server.compactSplitThread.requestSplit(region)) {<a name="line.561"></a> -<span class="sourceLineNo">562</span> try {<a name="line.562"></a> -<span class="sourceLineNo">563</span> this.server.compactSplitThread.requestSystemCompaction(region,<a name="line.563"></a> -<span class="sourceLineNo">564</span> Thread.currentThread().getName());<a name="line.564"></a> -<span class="sourceLineNo">565</span> } catch (IOException e) {<a name="line.565"></a> -<span class="sourceLineNo">566</span> e = e instanceof RemoteException ?<a name="line.566"></a> -<span class="sourceLineNo">567</span> ((RemoteException)e).unwrapRemoteException() : e;<a name="line.567"></a> -<span class="sourceLineNo">568</span> LOG.error("Cache flush failed for region " +<a name="line.568"></a> -<span class="sourceLineNo">569</span> Bytes.toStringBinary(region.getRegionInfo().getRegionName()), e);<a name="line.569"></a> -<span class="sourceLineNo">570</span> }<a name="line.570"></a> -<span class="sourceLineNo">571</span> }<a name="line.571"></a> -<span class="sourceLineNo">572</span> }<a name="line.572"></a> -<span class="sourceLineNo">573</span><a name="line.573"></a> -<span class="sourceLineNo">574</span> // Put back on the queue. Have it come back out of the queue<a name="line.574"></a> -<span class="sourceLineNo">575</span> // after a delay of this.blockingWaitTime / 100 ms.<a name="line.575"></a> -<span class="sourceLineNo">576</span> this.flushQueue.add(fqe.requeue(this.blockingWaitTime / 100));<a name="line.576"></a> -<span class="sourceLineNo">577</span> // Tell a lie, it's not flushed but it's ok<a name="line.577"></a> -<span class="sourceLineNo">578</span> return true;<a name="line.578"></a> -<span class="sourceLineNo">579</span> }<a name="line.579"></a> -<span class="sourceLineNo">580</span> }<a name="line.580"></a> -<span class="sourceLineNo">581</span> return flushRegion(region, false, fqe.isForceFlushAllStores(), fqe.getTracker());<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> /**<a name="line.584"></a> -<span class="sourceLineNo">585</span> * Flush a region.<a name="line.585"></a> -<span class="sourceLineNo">586</span> * @param region Region to flush.<a name="line.586"></a> -<span class="sourceLineNo">587</span> * @param emergencyFlush Set if we are being force flushed. If true the region<a name="line.587"></a> -<span class="sourceLineNo">588</span> * needs to be removed from the flush queue. If false, when we were called<a name="line.588"></a> -<span class="sourceLineNo">589</span> * from the main flusher run loop and we got the entry to flush by calling<a name="line.589"></a> -<span class="sourceLineNo">590</span> * poll on the flush queue (which removed it).<a name="line.590"></a> -<span class="sourceLineNo">591</span> * @param forceFlushAllStores whether we want to flush all store.<a name="line.591"></a> -<span class="sourceLineNo">592</span> * @return true if the region was successfully flushed, false otherwise. If<a name="line.592"></a> -<span class="sourceLineNo">593</span> * false, there will be accompanying log messages explaining why the region was<a name="line.593"></a> -<span class="sourceLineNo">594</span> * not flushed.<a name="line.594"></a> -<span class="sourceLineNo">595</span> */<a name="line.595"></a> -<span class="sourceLineNo">596</span> private boolean flushRegion(HRegion region, boolean emergencyFlush, boolean forceFlushAllStores,<a name="line.596"></a> -<span class="sourceLineNo">597</span> FlushLifeCycleTracker tracker) {<a name="line.597"></a> -<span class="sourceLineNo">598</span> synchronized (this.regionsInQueue) {<a name="line.598"></a> -<span class="sourceLineNo">599</span> FlushRegionEntry fqe = this.regionsInQueue.remove(region);<a name="line.599"></a> -<span class="sourceLineNo">600</span> // Use the start time of the FlushRegionEntry if available<a name="line.600"></a> -<span class="sourceLineNo">601</span> if (fqe != null && emergencyFlush) {<a name="line.601"></a> -<span class="sourceLineNo">602</span> // Need to remove from region from delay queue. When NOT an<a name="line.602"></a> -<span class="sourceLineNo">603</span> // emergencyFlush, then item was removed via a flushQueue.poll.<a name="line.603"></a> -<span class="sourceLineNo">604</span> flushQueue.remove(fqe);<a name="line.604"></a> -<span class="sourceLineNo">605</span> }<a name="line.605"></a> -<span class="sourceLineNo">606</span> }<a name="line.606"></a> -<span class="sourceLineNo">607</span><a name="line.607"></a> -<span class="sourceLineNo">608</span> tracker.beforeExecution();<a name="line.608"></a> -<span class="sourceLineNo">609</span> lock.readLock().lock();<a name="line.609"></a> -<span class="sourceLineNo">610</span> try {<a name="line.610"></a> -<span class="sourceLineNo">611</span> notifyFlushRequest(region, emergencyFlush);<a name="line.611"></a> -<span class="sourceLineNo">612</span> FlushResult flushResult = region.flushcache(forceFlushAllStores, false, tracker);<a name="line.612"></a> -<span class="sourceLineNo">613</span> boolean shouldCompact = flushResult.isCompactionNeeded();<a name="line.613"></a> -<span class="sourceLineNo">614</span> // We just want to check the size<a name="line.614"></a> -<span class="sourceLineNo">615</span> boolean shouldSplit = region.checkSplit() != null;<a name="line.615"></a> -<span class="sourceLineNo">616</span> if (shouldSplit) {<a name="line.616"></a> -<span class="sourceLineNo">617</span> this.server.compactSplitThread.requestSplit(region);<a name="line.617"></a> -<span class="sourceLineNo">618</span> } else if (shouldCompact) {<a name="line.618"></a> -<span class="sourceLineNo">619</span> server.compactSplitThread.requestSystemCompaction(region, Thread.currentThread().getName());<a name="line.619"></a> -<span class="sourceLineNo">620</span> }<a name="line.620"></a> -<span class="sourceLineNo">621</span> } catch (DroppedSnapshotException ex) {<a name="line.621"></a> -<span class="sourceLineNo">622</span> // Cache flush can fail in a few places. If it fails in a critical<a name="line.622"></a> -<span class="sourceLineNo">623</span> // section, we get a DroppedSnapshotException and a replay of wal<a name="line.623"></a> -<span class="sourceLineNo">624</span> // is required. Currently the only way to do this is a restart of<a name="line.624"></a> -<span class="sourceLineNo">625</span> // the server. Abort because hdfs is probably bad (HBASE-644 is a case<a name="line.625"></a> -<span class="sourceLineNo">626</span> // where hdfs was bad but passed the hdfs check).<a name="line.626"></a> -<span class="sourceLineNo">627</span> server.abort("Replay of WAL required. Forcing server shutdown", ex);<a name="line.627"></a> -<span class="sourceLineNo">628</span> return false;<a name="line.628"></a> -<span class="sourceLineNo">629</span> } catch (IOException ex) {<a name="line.629"></a> -<span class="sourceLineNo">630</span> ex = ex instanceof RemoteException ? ((RemoteException) ex).unwrapRemoteException() : ex;<a name="line.630"></a> -<span class="sourceLineNo">631</span> LOG.error(<a name="line.631"></a> -<span class="sourceLineNo">632</span> "Cache flush failed"<a name="line.632"></a> -<span class="sourceLineNo">633</span> + (region != null ? (" for region " +<a name="line.633"></a> -<span class="sourceLineNo">634</span> Bytes.toStringBinary(region.getRegionInfo().getRegionName()))<a name="line.634"></a> -<span class="sourceLineNo">635</span> : ""), ex);<a name="line.635"></a> -<span class="sourceLineNo">636</span> if (!server.checkFileSystem()) {<a name="line.636"></a> -<span class="sourceLineNo">637</span> return false;<a name="line.637"></a> -<span class="sourceLineNo">638</span> }<a name="line.638"></a> -<span class="sourceLineNo">639</span> } finally {<a name="line.639"></a> -<span class="sourceLineNo">640</span> lock.readLock().unlock();<a name="line.640"></a> -<span class="sourceLineNo">641</span> wakeUpIfBlocking();<a name="line.641"></a> -<span class="sourceLineNo">642</span> tracker.afterExecution();<a name="line.642"></a> -<span class="sourceLineNo">643</span> }<a name="line.643"></a> -<span class="sourceLineNo">644</span> return true;<a name="line.644"></a> -<span class="sourceLineNo">645</span> }<a name="line.645"></a> -<span class="sourceLineNo">646</span><a name="line.646"></a> -<span class="sourceLineNo">647</span> private void notifyFlushRequest(Region region, boolean emergencyFlush) {<a name="line.647"></a> -<span class="sourceLineNo">648</span> FlushType type = null;<a name="line.648"></a> -<span class="sourceLineNo">649</span> if (emergencyFlush) {<a name="line.649"></a> -<span class="sourceLineNo">650</span> type = isAboveHighWaterMark();<a name="line.650"></a> -<span class="sourceLineNo">651</span> if (type == null) {<a name="line.651"></a> -<span class="sourceLineNo">652</span> type = isAboveLowWaterMark();<a name="line.652"></a> -<span class="sourceLineNo">653</span> }<a name="line.653"></a> -<span class="sourceLineNo">654</span> }<a name="line.654"></a> -<span class="sourceLineNo">655</span> for (FlushRequestListener listener : flushRequestListeners) {<a name="line.655"></a> -<span class="sourceLineNo">656</span> listener.flushRequested(type, region);<a name="line.656"></a> -<span class="sourceLineNo">657</span> }<a name="line.657"></a> -<span class="sourceLineNo">658</span> }<a name="line.658"></a> -<span class="sourceLineNo">659</span><a name="line.659"></a> -<span class="sourceLineNo">660</span> private void wakeUpIfBlocking() {<a name="line.660"></a> -<span class="sourceLineNo">661</span> synchronized (blockSignal) {<a name="line.661"></a> -<span class="sourceLineNo">662</span> blockSignal.notifyAll();<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> private boolean isTooManyStoreFiles(Region region) {<a name="line.666"></a> -<span class="sourceLineNo">667</span><a name="line.667"></a> -<span class="sourceLineNo">668</span> // When compaction is disabled, the region is flushable<a name="line.668"></a> -<span class="sourceLineNo">669</span> if (!region.getTableDescriptor().isCompactionEnabled()) {<a name="line.669"></a> -<span class="sourceLineNo">670</span> return false;<a name="line.670"></a> -<span class="sourceLineNo">671</span> }<a name="line.671"></a> +<span class="sourceLineNo">472</span> r.incrementFlushesQueuedCount();<a name="line.472"></a> +<span class="sourceLineNo">473</span> return true;<a name="line.473"></a> +<span class="sourceLineNo">474</span> } else {<a name="line.474"></a> +<span class="sourceLineNo">475</span> tracker.notExecuted("Flush already requested on " + r);<a name="line.475"></a> +<span class="sourceLineNo">476</span> return false;<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><a name="line.480"></a> +<span class="sourceLineNo">481</span> @Override<a name="line.481"></a> +<span class="sourceLineNo">482</span> public boolean requestDelayedFlush(HRegion r, long delay, boolean forceFlushAllStores) {<a name="line.482"></a> +<span class="sourceLineNo">483</span> synchronized (regionsInQueue) {<a name="line.483"></a> +<span class="sourceLineNo">484</span> if (!regionsInQueue.containsKey(r)) {<a name="line.484"></a> +<span class="sourceLineNo">485</span> // This entry has some delay<a name="line.485"></a> +<span class="sourceLineNo">486</span> FlushRegionEntry fqe =<a name="line.486"></a> +<span class="sourceLineNo">487</span> new FlushRegionEntry(r, forceFlushAllStores, FlushLifeCycleTracker.DUMMY);<a name="line.487"></a> +<span class="sourceLineNo">488</span> fqe.requeue(delay);<a name="line.488"></a> +<span class="sourceLineNo">489</span> this.regionsInQueue.put(r, fqe);<a name="line.489"></a> +<span class="sourceLineNo">490</span> this.flushQueue.add(fqe);<a name="line.490"></a> +<span class="sourceLineNo">491</span> r.incrementFlushesQueuedCount();<a name="line.491"></a> +<span class="sourceLineNo">492</span> return true;<a name="line.492"></a> +<span class="sourceLineNo">493</span> }<a name="line.493"></a> +<span class="sourceLineNo">494</span> return false;<a name="line.494"></a> +<span class="sourceLineNo">495</span> }<a name="line.495"></a> +<span class="sourceLineNo">496</span> }<a name="line.496"></a> +<span class="sourceLineNo">497</span><a name="line.497"></a> +<span class="sourceLineNo">498</span> public int getFlushQueueSize() {<a name="line.498"></a> +<span class="sourceLineNo">499</span> return flushQueue.size();<a name="line.499"></a> +<span class="sourceLineNo">500</span> }<a name="line.500"></a> +<span class="sourceLineNo">501</span><a name="line.501"></a> +<span class="sourceLineNo">502</span> /**<a name="line.502"></a> +<span class="sourceLineNo">503</span> * Only interrupt once it's done with a run through the work loop.<a name="line.503"></a> +<span class="sourceLineNo">504</span> */<a name="line.504"></a> +<span class="sourceLineNo">505</span> void interruptIfNecessary() {<a name="line.505"></a> +<span class="sourceLineNo">506</span> lock.writeLock().lock();<a name="line.506"></a> +<span class="sourceLineNo">507</span> try {<a name="line.507"></a> +<span class="sourceLineNo">508</span> for (FlushHandler flushHander : flushHandlers) {<a name="line.508"></a> +<span class="sourceLineNo">509</span> if (flushHander != null) flushHander.interrupt();<a name="line.509"></a> +<span class="sourceLineNo">510</span> }<a name="line.510"></a> +<span class="sourceLineNo">511</span> } finally {<a name="line.511"></a> +<span class="sourceLineNo">512</span> lock.writeLock().unlock();<a name="line.512"></a> +<span class="sourceLineNo">513</span> }<a name="line.513"></a> +<span class="sourceLineNo">514</span> }<a name="line.514"></a> +<span class="sourceLineNo">515</span><a name="line.515"></a> +<span class="sourceLineNo">516</span> synchronized void start(UncaughtExceptionHandler eh) {<a name="line.516"></a> +<span class="sourceLineNo">517</span> ThreadFactory flusherThreadFactory = Threads.newDaemonThreadFactory(<a name="line.517"></a> +<span class="sourceLineNo">518</span> server.getServerName().toShortString() + "-MemStoreFlusher", eh);<a name="line.518"></a> +<span class="sourceLineNo">519</span> for (int i = 0; i < flushHandlers.length; i++) {<a name="line.519"></a> +<span class="sourceLineNo">520</span> flushHandlers[i] = new FlushHandler("MemStoreFlusher." + i);<a name="line.520"></a> +<span class="sourceLineNo">521</span> flusherThreadFactory.newThread(flushHandlers[i]);<a name="line.521"></a> +<span class="sourceLineNo">522</span> flushHandlers[i].start();<a name="line.522"></a> +<span class="sourceLineNo">523</span> }<a name="line.523"></a> +<span class="sourceLineNo">524</span> }<a name="line.524"></a> +<span class="sourceLineNo">525</span><a name="line.525"></a> +<span class="sourceLineNo">526</span> boolean isAlive() {<a name="line.526"></a> +<span class="sourceLineNo">527</span> for (FlushHandler flushHander : flushHandlers) {<a name="line.527"></a> +<span class="sourceLineNo">528</span> if (flushHander != null && flushHander.isAlive()) {<a name="line.528"></a> +<span class="sourceLineNo">529</span> return true;<a name="line.529"></a> +<span class="sourceLineNo">530</span> }<a name="line.530"></a> +<span class="sourceLineNo">531</span> }<a name="line.531"></a> +<span class="sourceLineNo">532</span> return false;<a name="line.532"></a> +<span class="sourceLineNo">533</span> }<a name="line.533"></a> +<span class="sourceLineNo">534</span><a name="line.534"></a> +<span class="sourceLineNo">535</span> void join() {<a name="line.535"></a> +<span class="sourceLineNo">536</span> for (FlushHandler flushHander : flushHandlers) {<a name="line.536"></a> +<span class="sourceLineNo">537</span> if (flushHander != null) {<a name="line.537"></a> +<span class="sourceLineNo">538</span> Threads.shutdown(flushHander.getThread());<a name="line.538"></a> +<span class="sourceLineNo">539</span> }<a name="line.539"></a> +<span class="sourceLineNo">540</span> }<a name="line.540"></a> +<span class="sourceLineNo">541</span> }<a name="line.541"></a> +<span class="sourceLineNo">542</span><a name="line.542"></a> +<span class="sourceLineNo">543</span> /**<a name="line.543"></a> +<span class="sourceLineNo">544</span> * A flushRegion that checks store file count. If too many, puts the flush<a name="line.544"></a> +<span class="sourceLineNo">545</span> * on delay queue to retry later.<a name="line.545"></a> +<span class="sourceLineNo">546</span> * @param fqe<a name="line.546"></a> +<span class="sourceLineNo">547</span> * @return true if the region was successfully flushed, false otherwise. If<a name="line.547"></a> +<span class="sourceLineNo">548</span> * false, there will be accompanying log messages explaining why the region was<a name="line.548"></a> +<span class="sourceLineNo">549</span> * not flushed.<a name="line.549"></a> +<span class="sourceLineNo">550</span> */<a name="line.550"></a> +<span class="sourceLineNo">551</span> private boolean flushRegion(final FlushRegionEntry fqe) {<a name="line.551"></a> +<span class="sourceLineNo">552</span> HRegion region = fqe.region;<a name="line.552"></a> +<span class="sourceLineNo">553</span> if (!region.getRegionInfo().isMetaRegion() && isTooManyStoreFiles(region)) {<a name="line.553"></a> +<span class="sourceLineNo">554</span> if (fqe.isMaximumWait(this.blockingWaitTime)) {<a name="line.554"></a> +<span class="sourceLineNo">555</span> LOG.info("Waited " + (EnvironmentEdgeManager.currentTime() - fqe.createTime) +<a name="line.555"></a> +<span class="sourceLineNo">556</span> "ms on a compaction to clean up 'too many store files'; waited " +<a name="line.556"></a> +<span class="sourceLineNo">557</span> "long enough... proceeding with flush of " +<a name="line.557"></a> +<span class="sourceLineNo">558</span> region.getRegionInfo().getRegionNameAsString());<a name="line.558"></a> +<span class="sourceLineNo">559</span> } else {<a name="line.559"></a> +<span class="sourceLineNo">560</span> // If this is first time we've been put off, then emit a log message.<a name="line.560"></a> +<span class="sourceLineNo">561</span> if (fqe.getRequeueCount() <= 0) {<a name="line.561"></a> +<span class="sourceLineNo">562</span> // Note: We don't impose blockingStoreFiles constraint on meta regions<a name="line.562"></a> +<span class="sourceLineNo">563</span> LOG.warn("{} has too many store files({}); delaying flush up to {} ms",<a name="line.563"></a> +<span class="sourceLineNo">564</span> region.getRegionInfo().getEncodedName(), getStoreFileCount(region),<a name="line.564"></a> +<span class="sourceLineNo">565</span> this.blockingWaitTime);<a name="line.565"></a> +<span class="sourceLineNo">566</span> if (!this.server.compactSplitThread.requestSplit(region)) {<a name="line.566"></a> +<span class="sourceLineNo">567</span> try {<a name="line.567"></a> +<span class="sourceLineNo">568</span> this.server.compactSplitThread.requestSystemCompaction(region,<a name="line.568"></a> +<span class="sourceLineNo">569</span> Thread.currentThread().getName());<a name="line.569"></a> +<span class="sourceLineNo">570</span> } catch (IOException e) {<a name="line.570"></a> +<span class="sourceLineNo">571</span> e = e instanceof RemoteException ?<a name="line.571"></a> +<span class="sourceLineNo">572</span> ((RemoteException)e).unwrapRemoteException() : e;<a name="line.572"></a> +<span class="sourceLineNo">573</span> LOG.error("Cache flush failed for region " +<a name="line.573"></a> +<span class="sourceLineNo">574</span> Bytes.toStringBinary(region.getRegionInfo().getRegionName()), e);<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> }<a name="line.577"></a> +<span class="sourceLineNo">578</span><a name="line.578"></a> +<span class="sourceLineNo">579</span> // Put back on the queue. Have it come back out of the queue<a name="line.579"></a> +<span class="sourceLineNo">580</span> // after a delay of this.blockingWaitTime / 100 ms.<a name="line.580"></a> +<span class="sourceLineNo">581</span> this.flushQueue.add(fqe.requeue(this.blockingWaitTime / 100));<a name="line.581"></a> +<span class="sourceLineNo">582</span> // Tell a lie, it's not flushed but it's ok<a name="line.582"></a> +<span class="sourceLineNo">583</span> return true;<a name="line.583"></a> +<span class="sourceLineNo">584</span> }<a name="line.584"></a> +<span class="sourceLineNo">585</span> }<a name="line.585"></a> +<span class="sourceLineNo">586</span> return flushRegion(region, false, fqe.isForceFlushAllStores(), fqe.getTracker());<a name="line.586"></a> +<span class="sourceLineNo">587</span> }<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> * Flush a region.<a name="line.590"></a> +<span class="sourceLineNo">591</span> * @param region Region to flush.<a name="line.591"></a> +<span class="sourceLineNo">592</span> * @param emergencyFlush Set if we are being force flushed. If true the region<a name="line.592"></a> +<span class="sourceLineNo">593</span> * needs to be removed from the flush queue. If false, when we were called<a name="line.593"></a> +<span class="sourceLineNo">594</span> * from the main flusher run loop and we got the entry to flush by calling<a name="line.594"></a> +<span class="sourceLineNo">595</span> * poll on the flush queue (which removed it).<a name="line.595"></a> +<span class="sourceLineNo">596</span> * @param forceFlushAllStores whether we want to flush all store.<a name="line.596"></a> +<span class="sourceLineNo">597</span> * @return true if the region was successfully flushed, false otherwise. If<a name="line.597"></a> +<span class="sourceLineNo">598</span> * false, there will be accompanying log messages explaining why the region was<a name="line.598"></a> +<span class="sourceLineNo">599</span> * not flushed.<a name="line.599"></a> +<span class="sourceLineNo">600</span> */<a name="line.600"></a> +<span class="sourceLineNo">601</span> private boolean flushRegion(HRegion region, boolean emergencyFlush, boolean forceFlushAllStores,<a name="line.601"></a> +<span class="sourceLineNo">602</span> FlushLifeCycleTracker tracker) {<a name="line.602"></a> +<span class="sourceLineNo">603</span> synchronized (this.regionsInQueue) {<a name="line.603"></a> +<span class="sourceLineNo">604</span> FlushRegionEntry fqe = this.regionsInQueue.remove(region);<a name="line.604"></a> +<span class="sourceLineNo">605</span> // Use the start time of the FlushRegionEntry if available<a name="line.605"></a> +<span class="sourceLineNo">606</span> if (fqe != null && emergencyFlush) {<a name="line.606"></a> +<span class="sourceLineNo">607</span> // Need to remove from region from delay queue. When NOT an<a name="line.607"></a> +<span class="sourceLineNo">608</span> // emergencyFlush, then item was removed via a flushQueue.poll.<a name="line.608"></a> +<span class="sourceLineNo">609</span> flushQueue.remove(fqe);<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><a name="line.612"></a> +<span class="sourceLineNo">613</span> tracker.beforeExecution();<a name="line.613"></a> +<span class="sourceLineNo">614</span> lock.readLock().lock();<a name="line.614"></a> +<span class="sourceLineNo">615</span> try {<a name="line.615"></a> +<span class="sourceLineNo">616</span> notifyFlushRequest(region, emergencyFlush);<a name="line.616"></a> +<span class="sourceLineNo">617</span> FlushResult flushResult = region.flushcache(forceFlushAllStores, false, tracker);<a name="line.617"></a> +<span class="sourceLineNo">618</span> boolean shouldCompact = flushResult.isCompactionNeeded();<a name="line.618"></a> +<span class="sourceLineNo">619</span> // We just want to check the size<a name="line.619"></a> +<span class="sourceLineNo">620</span> boolean shouldSplit = region.checkSplit() != null;<a name="line.620"></a> +<span class="sourceLineNo">621</span> if (shouldSplit) {<a name="line.621"></a> +<span class="sourceLineNo">622</span> this.server.compactSplitThread.requestSplit(region);<a name="line.622"></a> +<span class="sourceLineNo">623</span> } else if (shouldCompact) {<a name="line.623"></a> +<span class="sourceLineNo">624</span> server.compactSplitThread.requestSystemCompaction(region, Thread.currentThread().getName());<a name="line.624"></a> +<span class="sourceLineNo">625</span> }<a name="line.625"></a> +<span class="sourceLineNo">626</span> } catch (DroppedSnapshotException ex) {<a name="line.626"></a> +<span class="sourceLineNo">627</span> // Cache flush can fail in a few places. If it fails in a critical<a name="line.627"></a> +<span class="sourceLineNo">628</span> // section, we get a DroppedSnapshotException and a replay of wal<a name="line.628"></a> +<span class="sourceLineNo">629</span> // is required. Currently the only way to do this is a restart of<a name="line.629"></a> +<span class="sourceLineNo">630</span> // the server. Abort because hdfs is probably bad (HBASE-644 is a case<a name="line.630"></a> +<span class="sourceLineNo">631</span> // where hdfs was bad but passed the hdfs check).<a name="line.631"></a> +<span class="sourceLineNo">632</span> server.abort("Replay of WAL required. Forcing server shutdown", ex);<a name="line.632"></a> +<span class="sourceLineNo">633</span> return false;<a name="line.633"></a> +<span class="sourceLineNo">634</span> } catch (IOException ex) {<a name="line.634"></a> +<span class="sourceLineNo">635</span> ex = ex instanceof RemoteException ? ((RemoteException) ex).unwrapRemoteException() : ex;<a name="line.635"></a> +<span class="sourceLineNo">636</span> LOG.error(<a name="line.636"></a> +<span class="sourceLineNo">637</span> "Cache flush failed"<a name="line.637"></a> +<span class="sourceLineNo">638</span> + (region != null ? (" for region " +<a name="line.638"></a> +<span class="sourceLineNo">639</span> Bytes.toStringBinary(region.getRegionInfo().getRegionName()))<a name="line.639"></a> +<span class="sourceLineNo">640</span> : ""), ex);<a name="line.640"></a> +<span class="sourceLineNo">641</span> if (!server.checkFileSystem()) {<a name="line.641"></a> +<span class="sourceLineNo">642</span> return false;<a name="line.642"></a> +<span class="sourceLineNo">643</span> }<a name="line.643"></a> +<span class="sourceLineNo">644</span> } finally {<a name="line.644"></a> +<span class="sourceLineNo">645</span> lock.readLock().unlock();<a name="line.645"></a> +<span class="sourceLineNo">646</span> wakeUpIfBlocking();<a name="line.646"></a> +<span class="sourceLineNo">647</span> tracker.afterExecution();<a name="line.647"></a> +<span class="sourceLineNo">648</span> }<a name="line.648"></a> +<span class="sourceLineNo">649</span> return true;<a name="line.649"></a> +<span class="sourceLineNo">650</span> }<a name="line.650"></a> +<span class="sourceLineNo">651</span><a name="line.651"></a> +<span class="sourceLineNo">652</span> private void notifyFlushRequest(Region region, boolean emergencyFlush) {<a name="line.652"></a> +<span class="sourceLineNo">653</span> FlushType type = null;<a name="line.653"></a> +<span class="sourceLineNo">654</span> if (emergencyFlush) {<a name="line.654"></a> +<span class="sourceLineNo">655</span> type = isAboveHighWaterMark();<a name="line.655"></a> +<span class="sourceLineNo">656</span> if (type == null) {<a name="line.656"></a> +<span class="sourceLineNo">657</span> type = isAboveLowWaterMark();<a name="line.657"></a> +<span class="sourceLineNo">658</span> }<a name="line.658"></a> +<span class="sourceLineNo">659</span> }<a name="line.659"></a> +<span class="sourceLineNo">660</span> for (FlushRequestListener listener : flushRequestListeners) {<a name="line.660"></a> +<span class="sourceLineNo">661</span> listener.flushRequested(type, region);<a name="line.661"></a> +<span class="sourceLineNo">662</span> }<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> private void wakeUpIfBlocking() {<a name="line.665"></a> +<span class="sourceLineNo">666</span> synchronized (blockSignal) {<a name="line.666"></a> +<span class="sourceLineNo">667</span> blockSignal.notifyAll();<a name="line.667"></a> +<span class="sourceLineNo">668</span> }<a name="line.668"></a> +<span class="sourceLineNo">669</span> }<a name="line.669"></a> +<span class="sourceLineNo">670</span><a name="line.670"></a> +<span class="sourceLineNo">671</span> private boolean isTooManyStoreFiles(Region region) {<a name="line.671"></a> <span class="sourceLineNo">672</span><a name="line.672"></a> -<span class="sourceLineNo">673</span> for (Store store : region.getStores()) {<a name="line.673"></a> -<span class="sourceLineNo">674</span> if (store.hasTooManyStoreFiles()) {<a name="line.674"></a> -<span class="sourceLineNo">675</span> return true;<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> return false;<a name="line.678"></a> -<span class="sourceLineNo">679</span> }<a name="line.679"></a> -<span class="sourceLineNo">680</span><a name="line.680"></a> -<span class="sourceLineNo">681</span> private int getStoreFileCount(Region region) {<a name="line.681"></a> -<span class="sourceLineNo">682</span> int count = 0;<a name="line.682"></a> -<span class="sourceLineNo">683</span> for (Store store : region.getStores()) {<a name="line.683"></a> -<span class="sourceLineNo">684</span> count += store.getStorefilesCount();<a name="line.684"></a> -<span class="sourceLineNo">685</span> }<a name="line.685"></a> -<span class="sourceLineNo">686</span> return count;<a name="line.686"></a> -<span class="sourceLineNo">687</span> }<a name="line.687"></a> -<span class="sourceLineNo">688</span><a name="line.688"></a> -<span class="sourceLineNo">689</span> /**<a name="line.689"></a> -<span class="sourceLineNo">690</span> * Check if the regionserver's memstore memory usage is greater than the<a name="line.690"></a> -<span class="sourceLineNo">691</span> * limit. If so, flush regions with the biggest memstores until we're down<a name="line.691"></a> -<span class="sourceLineNo">692</span> * to the lower limit. This method blocks callers until we're down to a safe<a name="line.692"></a> -<span class="sourceLineNo">693</span> * amount of memstore consumption.<a name="line.693"></a> -<span class="sourceLineNo">694</span> */<a name="line.694"></a> -<span class="sourceLineNo">695</span> public void reclaimMemStoreMemory() {<a name="line.695"></a> -<span class="sourceLineNo">696</span> TraceScope scope = TraceUtil.createTrace("MemStoreFluser.reclaimMemStoreMemory");<a name="line.696"></a> -<span class="sourceLineNo">697</span> FlushType flushType = isAboveHighWaterMark();<a name="line.697"></a> -<span class="sourceLineNo">698</span> if (flushType != FlushType.NORMAL) {<a name="line.698"></a> -<span class="sourceLineNo">699</span> TraceUtil.addTimelineAnnotation("Force Flush. We're above high water mark.");<a name="line.699"></a> -<span class="sourceLineNo">700</span> long start = EnvironmentEdgeManager.currentTime();<a name="line.700"></a> -<span class="sourceLineNo">701</span> synchronized (this.blockSignal) {<a name="line.701"></a> -<span class="sourceLineNo">702</span> boolean blocked = false;<a name="line.702"></a> -<span class="sourceLineNo">703</span> long startTime = 0;<a name="line.703"></a> -<span class="sourceLineNo">704</span> boolean interrupted = false;<a name="line.704"></a> -<span class="sourceLineNo">705</span> try {<a name="line.705"></a> -<span class="sourceLineNo">706</span> flushType = isAboveHighWaterMark();<a name="line.706"></a> -<span class="sourceLineNo">707</span> while (flushType != FlushType.NORMAL && !server.isStopped()) {<a name="line.707"></a> -<span class="sourceLineNo">708</span> server.cacheFlusher.setFlushType(flushType);<a name="line.708"></a> -<span class="sourceLineNo">709</span> if (!blocked) {<a name="line.709"></a> -<span class="sourceLineNo">710</span> startTime = EnvironmentEdgeManager.currentTime();<a name="line.710"></a> -<span class="sourceLineNo">711</span> if (!server.getRegionServerAccounting().isOffheap()) {<a name="line.711"></a> -<span class="sourceLineNo">712</span> logMsg("global memstore heapsize",<a name="line.712"></a> -<span class="sourceLineNo">713</span> server.getRegionServerAccounting().getGlobalMemStoreHeapSize(),<a name="line.713"></a> -<span class="sourceLineNo">714</span> server.getRegionServerAccounting().getGlobalMemStoreLimit());<a name="line.714"></a> -<span class="sourceLineNo">715</span> } else {<a name="line.715"></a> -<span class="sourceLineNo">716</span> switch (flushType) {<a name="line.716"></a> -<span class="sourceLineNo">717</span> case ABOVE_OFFHEAP_HIGHER_MARK:<a name="line.717"></a> -<span class="sourceLineNo">718</span> logMsg("the global offheap memstore datasize",<a name="line.718"></a> -<span class="sourceLineNo">719</span> server.getRegionServerAccounting().getGlobalMemStoreOffHeapSize(),<a name="line.719"></a> -<span class="sourceLineNo">720</span> server.getRegionServerAccounting().getGlobalMemStoreLimit());<a name="line.720"></a> -<span class="sourceLineNo">721</span> break;<a name="line.721"></a> -<span class="sourceLineNo">722</span> case ABOVE_ONHEAP_HIGHER_MARK:<a name="line.722"></a> -<span class="sourceLineNo">723</span> logMsg("global memstore heapsize",<a name="line.723"></a> -<span class="sourceLineNo">724</span> server.getRegionServerAccounting().getGlobalMemStoreHeapSize(),<a name="line.724"></a> -<span class="sourceLineNo">725</span> server.getRegionServerAccounting().getGlobalOnHeapMemStoreLimit());<a name="line.725"></a> +<span class="sourceLineNo">673</span> // When compaction is disabled, the region is flushable<a name="line.673"></a> +<span class="sourceLineNo">674</span> if (!region.getTableDescriptor().isCompactionEnabled()) {<a name="line.674"></a> +<span class="sourceLineNo">675</span> return false;<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> for (Store store : region.getStores()) {<a name="line.678"></a> +<span class="sourceLineNo">679</span> if (store.hasTooManyStoreFiles()) {<a name="line.679"></a> +<span class="sourceLineNo">680</span> return true;<a name="line.680"></a> +<span class="sourceLineNo">681</span> }<a name="line.681"></a> +<span class="sourceLineNo">682</span> }<a name="line.682"></a> +<span class="sourceLineNo">683</span> return false;<a name="line.683"></a> +<span class="sourceLineNo">684</span> }<a name="line.684"></a> +<span class="sourceLineNo">685</span><a name="line.685"></a> +<span class="sourceLineNo">686</span> private int getStoreFileCount(Region region) {<a name="line.686"></a> +<span class="sourceLineNo">687</span> int count = 0;<a name="line.687"></a> +<span class="sourceLineNo">688</span> for (Store store : region.getStores()) {<a name="line.688"></a> +<span class="sourceLineNo">689</span> count += store.getStorefilesCount();<a name="line.689"></a> +<span class="sourceLineNo">690</span> }<a name="line.690"></a> +<span class="sourceLineNo">691</span> return count;<a name="line.691"></a> +<span class="sourceLineNo">692</span> }<a name="line.692"></a> +<span class="sourceLineNo">693</span><a name="line.693"></a> +<span class="sourceLineNo">694</span> /**<a name="line.694"></a> +<span class="sourceLineNo">695</span> * Check if the regionserver's memstore memory usage is greater than the<a name="line.695"></a> +<span class="sourceLineNo">696</span> * limit. If so, flush regions with the biggest memstores until we're down<a name="line.696"></a> +<span class="sourceLineNo">697</span> * to the lower limit. This method blocks callers until we're down to a safe<a name="line.697"></a> +<span class="sourceLineNo">698</span> * amount of memstore consumption.<a name="line.698"></a> +<span class="sourceLineNo">699</span> */<a name="line.699"></a> +<span class="sourceLineNo">700</span> public void reclaimMemStoreMemory() {<a name="line.700"></a> +<span class="sourceLineNo">701</span> TraceScope scope = TraceUtil.createTrace("MemStoreFluser.reclaimMemStoreMemory");<a name="line.701"></a> +<span class="sourceLineNo">702</span> FlushType flushType = isAboveHighWaterMark();<a name="line.702"></a> +<span class="sourceLineNo">703</span> if (flushType != FlushType.NORMAL) {<a name="line.703"></a> +<span class="sourceLineNo">704</span> TraceUtil.addTimelineAnnotation("Force Flush. We're above high water mark.");<a name="line.704"></a> +<span class="sourceLineNo">705</span> long start = EnvironmentEdgeManager.currentTime();<a name="line.705"></a> +<span class="sourceLineNo">706</span> synchronized (this.blockSignal) {<a name="line.706"></a> +<span class="sourceLineNo">707</span> boolean blocked = false;<a name="line.707"></a> +<span class="sourceLineNo">708</span> long startTime = 0;<a name="line.708"></a> +<span class="sourceLineNo">709</span> boolean interrupted = false;<a name="line.709"></a> +<span class="sourceLineNo">710</span> try {<a name="line.710"></a> +<span class="sourceLineNo">711</span> flushType = isAboveHighWaterMark();<a name="line.711"></a> +<span class="sourceLineNo">712</span> while (flushType != FlushType.NORMAL && !server.isStopped()) {<a name="line.712"></a> +<span class="sourceLineNo">713</span> server.cacheFlusher.setFlushType(flushType);<a name="line.713"></a> +<span class="sourceLineNo">714</span> if (!blocked) {<a name="line.714"></a> +<span class="sourceLineNo">715</span> startTime = EnvironmentEdgeManager.currentTime();<a name="line.715"></a> +<span class="sourceLineNo">716</span> if (!server.getRegionServerAccounting().isOffheap()) {<a name="line.716"></a> +<span class="sourceLineNo">717</span> logMsg("global memstore heapsize",<a name="line.717"></a> +<span class="sourceLineNo">718</span> server.getRegionServerAccounting().getGlobalMemStoreHeapSize(),<a name="line.718"></a> +<span class="sourceLineNo">719</span> server.getRegionServerAccounting().getGlobalMemStoreLimit());<a name="line.719"></a> +<span class="sourceLineNo">720</span> } else {<a name="line.720"></a> +<span class="sourceLineNo">721</span> switch (flushType) {<a name="line.721"></a> +<span class="sourceLineNo">722</span> case ABOVE_OFFHEAP_HIGHER_MARK:<a name="line.722"></a> +<span class="sourceLineNo">723</span> logMsg("the global offheap memstore datasize",<a name="line.723"></a> +<span class="sourceLineNo">724</span> server.getRegionServerAccounting().getGlobalMemStoreOffHeapSize(),<a name="line.724"></a> +<span class="sourceLineNo">725</span> server.getRegionServerAccounting().getGlobalMemStoreLimit());<a name="line.725"></a> <span class="sourceLineNo">726</span> break;<a name="line.726"></a> -<span class="sourceLineNo">727</span> default:<a name="line.727"></a> -<span class="sourceLineNo">728</span> break;<a name="line.728"></a> -<span class="sourceLineNo">729</span> }<a name="line.729"></a> -<span class="sourceLineNo">730</span> }<a name="line.730"></a> -<span class="sourceLineNo">731</span> }<a name="line.731"></a> -<span class="sourceLineNo">732</span> blocked = true;<a name="line.732"></a> -<span class="sourceLineNo">733</span> wakeupFlushThread();<a name="line.733"></a> -<span class="sourceLineNo">734</span> try {<a name="line.734"></a> -<span class="sourceLineNo">735</span> // we should be able to wait forever, but we've seen a bug where<a name="line.735"></a> -<span class="sourceLineNo">736</span> // we miss a notify, so put a 5 second bound on it at least.<a name="line.736"></a> -<span class="sourceLineNo">737</span> blockSignal.wait(5 * 1000);<a name="line.737"></a> -<span class="sourceLineNo">738</span> } catch (InterruptedException ie) {<a name="line.738"></a> -<span class="sourceLineNo">739</span> LOG.warn("Interrupted while waiting");<a name="line.739"></a> -<span class="sourceLineNo">740</span> interrupted = true;<a name="line.740"></a> -<span class="sourceLineNo">741</span> }<a name="line.741"></a> -<span class="sourceLineNo">742</span> long took = EnvironmentEdgeManager.currentTime() - start;<a name="line.742"></a> -<span class="sourceLineNo">743</span> LOG.warn("Memstore is above high water mark and block " + took + "ms");<a name="line.743"></a> -<span class="sourceLineNo">744</span> flushType = isAboveHighWaterMark();<a name="line.744"></a> -<span class="sourceLineNo">745</span> }<a name="line.745"></a> -<span class="sourceLineNo">746</span> } finally {<a name="line.746"></a> -<span class="sourceLineNo">747</span> if (interrupted) {<a name="line.747"></a> -<span class="sourceLineNo">748</span> Thread.currentThread().interrupt();<a name="line.748"></a> -<span class="sourceLineNo">749</span> }<a name="line.749"></a> -<span class="sourceLineNo">750</span> }<a name="line.750"></a> -<span class="sourceLineNo">751</span><a name="line.751"></a> -<span class="sourceLineNo">752</span> if(blocked){<a name="line.752"></a> -<span class="sourceLineNo">753</span> final long totalTime = EnvironmentEdgeManager.currentTime() - startTime;<a name="line.753"></a> -<span class="sourceLineNo">754</span> if(totalTime > 0){<a name="line.754"></a> -<span class="sourceLineNo">755</span> this.updatesBlockedMsHighWater.add(totalTime);<a name="line.755"></a> -<span class="sourceLineNo">756</span> }<a name="line.756"></a> -<span class="sourceLineNo">757</span> LOG.info("Unblocking updates for server " + server.toString());<a name="line.757"></a> -<span class="sourceLineNo">758</span> }<a name="line.758"></a> -<span class="sourceLineNo">759</span> }<a name="line.759"></a> -<span class="sourceLineNo">760</span> } else {<a name="line.760"></a> -<span class="sourceLineNo">761</span> flushType = isAboveLowWaterMark();<a name="line.761"></a> -<span class="sourceLineNo">762</span> if (flushType != FlushType.NORMAL) {<a name="line.762"></a> -<span class="sourceLineNo">763</span> server.cacheFlusher.setFlushType(flushType);<a name="line.763"></a> -<span class="sourceLineNo">764</span> wakeupFlushThread();<a name="line.764"></a> -<span class="sourceLineNo">765</span> }<a name="line.765"></a> -<span class="sourceLineNo">766</span> }<a name="line.766"></a> -<span class="sourceLineNo">767</span> if(scope!= null) {<a name="line.767"></a> -<span class="sourceLineNo">768</span> scope.close();<a name="line.768"></a> -<span class="sourceLineNo">769</span> }<a name="line.769"></a> -<span class="sourceLineNo">770</span> }<a name="line.770"></a> -<span class="sourceLineNo">771</span><a name="line.771"></a> -<span class="sourceLineNo">772</span> private void logMsg(String type, long val, long max) {<a name="line.772"></a> -<span class="sourceLineNo">773</span> LOG.info("Blocking updates: {} {} is >= blocking {}", type,<a name="line.773"></a> -<span class="sourceLineNo">774</span> TraditionalBinaryPrefix.long2String(val, "", 1),<a name="line.774"></a> -<span class="sourceLineNo">775</span> TraditionalBinaryPrefix.long2String(max, "", 1));<a name="line.775"></a> -<span class="sourceLineNo">776</span> }<a name="line.776"></a> -<span class="sourceLineNo">777</span><a name="line.777"></a> -<span class="sourceLineNo">778</span> @Override<a name="line.778"></a> -<span class="sourceLineNo">779</span> public String toString() {<a name="line.779"></a> -<span class="sourceLineNo">780</span> return "flush_queue="<a name="line.780"></a> -<span class="sourceLineNo">781</span> + flushQueue.size();<a name="line.781"></a> -<span class="sourceLineNo">782</span> }<a name="line.782"></a> -<span class="sourceLineNo">783</span><a name="line.783"></a> -<span class="sourceLineNo">784</span> public String dumpQueue() {<a name="line.784"></a> -<span class="sourceLineNo">785</span> StringBuilder queueList = new StringBuilder();<a name="line.785"></a> -<span class="sourceLineNo">786</span> queueList.append("Flush Queue Queue dump:\n");<a name="line.786"></a> -<span class="sourceLineNo">787</span> queueList.append(" Flush Queue:\n");<a name="line.787"></a> -<span class="sourceLineNo">788</span> java.util.Iterator<FlushQueueEntry> it = flushQueue.iterator();<a name="line.788"></a> -<span class="sourceLineNo">789</span><a name="line.789"></a> -<span class="sourceLineNo">790</span> while(it.hasNext()){<a name="line.790"></a> -<span class="sourceLineNo">791</span> queueList.append(" "+it.next().toString());<a name="line.791"></a> -<span class="sourceLineNo">792</span> queueList.append("\n");<a name="line.792"></a> -<span class="sourceLineNo">793</span> }<a name="line.793"></a> +<span class="sourceLineNo">727</span> case ABOVE_ONHEAP_HIGHER_MARK:<a name="line.727"></a> +<span class="sourceLineNo">728</span> logMsg("global memstore heapsize",<a name="line.728"></a> +<span class="sourceLineNo">729</span> server.getRegionServerAccounting().getGlobalMemStoreHeapSize(),<a name="line.729"></a> +<span class="sourceLineNo">730</span> server.getRegionServerAccounting().getGlobalOnHeapMemStoreLimit());<a name="line.730"></a> +<span class="sourceLineNo">731</span> break;<a name="line.731"></a> +<span class="sourceLineNo">732</span> default:<a name="line.732"></a> +<span class="sourceLineNo">733</span> break;<a name="line.733"></a> +<span class="sourceLineNo">734</span> }<a name="line.734"></a> +<span class="sourceLineNo">735</span> }<a name="line.735"></a> +<span class="sourceLineNo">736</span> }<a name="line.736"></a> +<span class="sourceLineNo">737</span> blocked = true;<a name="line.737"></a> +<span class="sourceLineNo">738</span> wakeupFlushThread();<a name="line.738"></a> +<span class="sourceLineNo">739</span> try {<a name="line.739"></a> +<span class="sourceLineNo">740</span> // we should be able to wait forever, but we've seen a bug where<a name="line.740"></a> +<span class="sourceLineNo">741</span> // we miss a notify, so put a 5 second bound on it at least.<a name="line.741"></a> +<span class="sourceLineNo">742</span> blockSignal.wait(5 * 1000);<a name="line.742"></a> +<span class="sourceLineNo">743</span> } catch (InterruptedException ie) {<a name="line.743"></a> +<span class="sourceLineNo">744</span> LOG.warn("Interrupted while waiting");<a name="line.744"></a> +<span class="sourceLineNo">745</span> interrupted = true;<a name="line.745"></a> +<span class="sourceLineNo">746</span> }<a name="line.746"></a> +<span class="sourceLineNo">747</span> long took = EnvironmentEdgeManager.currentTime() - start;<a name="line.747"></a> +<span class="sourceLineNo">748</span> LOG.warn("Memstore is above high water mark and block " + took + "ms");<a name="line.748"></a> +<span class="sourceLineNo">749</span> flushType = isAboveHighWaterMark();<a name="line.749"></a> +<span class="sourceLineNo">750</span> }<a name="line.750"></a> +<span class="sourceLineNo">751</span> } finally {<a name="line.751"></a> +<span class="sourceLineNo">752</span> if (interrupted) {<a name="line.752"></a> +<span class="sourceLineNo">753</span> Thread.currentThread().interrupt();<a name="line.753"></a> +<span class="sourceLineNo">754</span> }<a name="line.754"></a> +<span class="sourceLineNo">755</span> }<a name="line.755"></a> +<span class="sourceLineNo">756</span><a name="line.756"></a> +<span class="sourceLineNo">757</span> if(blocked){<a name="line.757"></a> +<span class="sourceLineNo">758</span> final long totalTime = EnvironmentEdgeManager.currentTime() - startTime;<a name="line.758"></a> +<span class="sourceLineNo">759</span> if(totalTime > 0){<a name="line.759"></a> +<span class="sourceLineNo">760</span> this.updatesBlockedMsHighWater.add(totalTime);<a name="line.760"></a> +<span class="sourceLineNo">761</span> }<a name="line.761"></a> +<span class="sourceLineNo">762</span> LOG.info("Unblocking updates for server " + server.toString());<a name="line.762"></a> +<span class="sourceLineNo">763</span> }<a name="line.763"></a> +<span class="sourceLineNo">764</span> }<a name="line.764"></a> +<span class="sourceLineNo">765</span> } else {<a name="line.765"></a> +<span class="sourceLineNo">766</span> flushType = isAboveLowWaterMark();<a name="line.766"></a> +<span class="sourceLineNo">767</span> if (flushType != FlushType.NORMAL) {<a name="line.767"></a> +<span class="sourceLineNo">768</span> server.cacheFlusher.setFlushType(flushType);<a name="line.768"></a> +<span class="sourceLineNo">769</span> wakeupFlushThread();<a name="line.769"></a> +<span class="sourceLineNo">770</span> }<a name="line.770"></a> +<span class="sourceLineNo">771</span> }<a name="line.771"></a> +<span class="sourceLineNo">772</span> if(scope!= null) {<a name="line.772"></a> +<span class="sourceLineNo">773</span> scope.close();<a name="line.773"></a> +<span class="sourceLineNo">774</span> }<a name="line.774"></a> +<span class="sourceLineNo">775</span> }<a name="line.775"></a> +<span class="sourceLineNo">776</span><a name="line.776"></a> +<span class="sourceLineNo">777</span> private void logMsg(String type, long val, long max) {<a name="line.777"></a> +<span class="sourceLineNo">778</span> LOG.info("Blocking updates: {} {} is >= blocking {}", type,<a name="line.778"></a> +<span class="sourceLineNo">779</span> TraditionalBinaryPrefix.long2String(val, "", 1),<a name="line.779"></a> +<span class="sourceLineNo">780</span> TraditionalBinaryPrefix.long2String(max, "", 1));<a name="line.780"></a> +<span class="sourceLineNo">781</span> }<a name="line.781"></a> +<span class="sourceLineNo">782</span><a name="line.782"></a> +<span class="sourceLineNo">783</span> @Override<a name="line.783"></a> +<span class="sourceLineNo">784</span> public String toString() {<a name="line.784"></a> +<span class="sourceLineNo">785</span> return "flush_queue="<a name="line.785"></a> +<span class="sourceLineNo">786</span> + flushQueue.size();<a name="line.786"></a> +<span class="sourceLineNo">787</span> }<a name="line.787"></a> +<span class="sourceLineNo">788</span><a name="line.788"></a> +<span class="sourceLineNo">789</span> public String dumpQueue() {<a name="line.789"></a> +<span class="sourceLineNo">790</span> StringBuilder queueList = new StringBuilder();<a name="line.790"></a> +<span class="sourceLineNo">791</span> queueList.append("Flush Queue Queue dump:\n");<a name="line.791"></a> +<span class="sourceLineNo">792</span> queueList.append(" Flush Queue:\n");<a name="line.792"></a> +<span class="sourceLineNo">793</span> java.util.Iterator<FlushQueueEntry> it = flushQueue.iterator();<a name="line.793"></a> <span class="sourceLineNo">794</span><a name="line.794"></a> -<span class="sourceLineNo">795</span> return queueList.toString();<a name="line.795"></a> -<span class="sourceLineNo">796</span> }<a name="line.796"></a> -<span class="sourceLineNo">797</span><a name="line.797"></a> -<span class="sourceLineNo">798</span> /**<a name="line.798"></a> -<span class="sourceLineNo">799</span> * Register a MemstoreFlushListener<a name="line.799"></a> -<span class="sourceLineNo">800</span> * @param listener<a name="line.800"></a> -<span class="sourceLineNo">801</span> */<a name="line.801"></a> -<span class="sourceLineNo">802</span> @Override<a name="line.802"></a> -<span class="sourceLineNo">803</span> public void registerFlushRequestListener(final FlushRequestListener listener) {<a name="line.803"></a> -<span class="sourceLineNo">804</span> this.flushRequestListeners.add(listener);<a name="line.804"></a> -<span class="sourceLineNo">805</span> }<a name="line.805"></a> -<span class="sourceLineNo">806</span><a name="line.806"></a> -<span class="sourceLineNo">807</span> /**<a name="line.807"></a> -<span class="sourceLineNo">808</span> * Unregister the listener from MemstoreFlushListeners<a name="line.808"></a> -<span class="sourceLineNo">809</span> * @param listener<a name="line.809"></a> -<span class="sourceLineNo">810</span> * @return true when passed listener is unregistered successfully.<a name="line.810"></a> -<span class="sourceLineNo">811</span> */<a name="line.811"></a> -<span class="sourceLineNo">812</span> @Override<a name="line.812"></a> -<span class="sourceLineNo">813</span> public boolean unregisterFlushRequestListener(final FlushRequestListener listener) {<a name="line.813"></a> -<span class="sourceLineNo">814</span> return this.flushRequestListeners.remove(listener);<a name="line.814"></a> -<span class="sourceLineNo">815</span> }<a name="line.815"></a> -<span class="sourceLineNo">816</span><a name="line.816"></a> -<span class="sourceLineNo">817</span> /**<a name="line.817"></a> -<span class="sourceLineNo">818</span> * Sets the global memstore limit to a new size.<a name="line.818"></a> -<span class="sourceLineNo">819</span> * @param globalMemStoreSize<a name="line.819"></a> -<span class="sourceLineNo">820</span> */<a name="line.820"></a> -<span class="sourceLineNo">821</span> @Override<a name="line.821"></a> -<span class="sourceLineNo">822</span> public void setGlobalMemStoreLimit(long globalMemStoreSize) {<a name="line.822"></a> -<span class="sourceLineNo">823</span> this.server.getRegionServerAccounting().setGlobalMemStoreLimits(globalMemStoreSize);<a name="line.823"></a> -<span class="sourceLineNo">824</span> reclaimMemStoreMemory();<a name="line.824"></a> -<span class="sourceLineNo">825</span> }<a name="line.825"></a> -<span class="sourceLineNo">826</span><a name="line.826"></a> -<span class="sourceLineNo">827</span> interface FlushQueueEntry extends Delayed {<a name="line.827"></a> -<span class="sourceLineNo">828</span> }<a name="line.828"></a> -<span class="sourceLineNo">829</span><a name="line.829"></a> -<span class="sourceLineNo">830</span> /**<a name="line.830"></a> -<span class="sourceLineNo">831</span> * Datastructure used in the flush queue. Holds region and retry count.<a name="line.831"></a> -<span class="sourceLineNo">832</span> * Keeps tabs on how old this object is. Implements {@link Delayed}. On<a name="line.832"></a> -<span class="sourceLineNo">833</span> * construction, the delay is zero. When added to a delay queue, we'll come<a name="line.833"></a> -<span class="sourceLineNo">834</span> * out near immediately. Call {@link #requeue(long)} passing delay in<a name="line.834"></a> -<span class="sourceLineNo">835</span> * milliseconds before readding to delay queue if you want it to stay there<a name="line.835"></a> -<span class="sourceLineNo">836</span> * a while.<a name="line.836"></a> -<span class="sourceLineNo">837</span> */<a name="line.837"></a> -<span class="sourceLineNo">838</span> static class FlushRegionEntry implements FlushQueueEntry {<a name="line.838"></a> -<span class="sourceLineNo">839</span> private final HRegion region;<a name="line.839"></a> -<span class="sourceLineNo">840</span><a name="line.840"></a> -<span class="sourceLineNo">841</span> private final long createTime;<a name="line.841"></a> -<span class="sourceLineNo">842</span> private long whenToExpire;<a name="line.842"></a> -<span class="sourceLineNo">843</span> private int requeueCount = 0;<a name="line.843"></a> -<span class="sourceLineNo">844</span><a name="line.844"></a> -<span class="sourceLineNo">845</span> private final boolean forceFlushAllStores;<a name="line.845"></a> -<span class="sourceLineNo">846</span><a name="line.846"></a> -<span class="sourceLineNo">847</span> private final FlushLifeCycleTracker tracker;<a name="line.847"></a> -<span class="sourceLineNo">848</span><a name="line.848"></a> -<span class="sourceLineNo">849</span> FlushRegionEntry(final HRegion r, boolean forceFlushAllStores, FlushLifeCycleTracker tracker) {<a name="line.849"></a> -<span class="sourceLineNo">850</span> this.region = r;<a name="line.850"></a> -<span class="sourceLineNo">851</span> this.createTime = EnvironmentEdgeManager.currentTime();<a name="line.851"></a> -<span class="sourceLineNo">852</span> this.whenToExpire = this.createTime;<a name="line.852"></a> -<span class="sourceLineNo">853</span> this.forceFlushAllStores = forceFlushAllStores;<a name="line.853"></a> -<span class="sourceLineNo">854</span> this.tracker = tracker;<a name="line.854"></a> -<span class="sourceLineNo">855</span> }<a name="line.855"></a> -<span class="sourceLineNo">856</span><a name="line.856"></a> -<span class="sourceLineNo">857</span> /**<a name="line.857"></a> -<span class="sourceLineNo">858</span> * @param maximumWait<a name="line.858"></a> -<span class="sourceLineNo">859</span> * @return True if we have been delayed > <code>maximumWait</code> milliseconds.<a name="line.859"></a> -<span class="sourceLineNo">860</span> */<a name="line.860"></a> -<span class="sourceLineNo">861</span> public boolean isMaximumWait(final long maximumWait) {<a name="line.861"></a> -<span class="sourceLineNo">862</span> return (EnvironmentEdgeManager.currentTime() - this.createTime) > maximumWait;<a name="line.862"></a> -<span class="sourceLineNo">863</span> }<a name="line.863"></a> -<span class="sourceLineNo">864</span><a name="line.864"></a> -<span class="sourceLineNo">865</span> /**<a name="line.865"></a> -<span class="sourceLineNo">866</span> * @return Count of times {@link #requeue(long)} was called; i.e this is<a name="line.866"></a> -<span class="sourceLineNo">867</span> * number of times we've been requeued.<a name="line.867"></a> -<span class="sourceLineNo">868</span> */<a name="line.868"></a> -<span class="sourceLineNo">869</span> public int getRequeueCount() {<a name="line.869"></a> -<span class="sourceLineNo">870</span> return this.requeueCount;<a name="line.870"></a> -<span class="sourceLineNo">871</span> }<a name="line.871"></a> -<span class="sourceLineNo">872</span><a name="line.872"></a> -<span class="sourceLineNo">873</span> /**<a name="line.873"></a> -<span class="sourceLineNo">874</span> * @return whether we need to flush all stores.<a name="line.874"></a> -<span class="sourceLineNo">875</span> */<a name="line.875"></a> -<span class="sourceLineNo">876</span> public boolean isForceFlushAllStores() {<a name="line.876"></a> -<span class="sourceLineNo">877</span> return forceFlushAllStores;<a name="line.877"></a> -<span class="sourceLineNo">878</span> }<a name="line.878"></a> -<span class="sourceLineNo">879</span><a name="line.879"></a> -<span class="sourceLineNo">880</span> public FlushLifeCycleTracker getTracker() {<a name="line.880"></a> -<span class="sourceLineNo">881</span> return tracker;<a name="line.881"></a> -<span class="sourceLineNo">882</span> }<a name="line.882"></a> -<span class="sourceLineNo">883</span><a name="line.883"></a> -<span class="sourceLineNo">884</span> /**<a name="line.884"></a> -<span class="sourceLineNo">885</span> * @param when When to expire, when to come up out of the queue.<a name="line.885"></a> -<span class="sourceLineNo">886</span> * Specify in milliseconds. This method adds EnvironmentEdgeManager.currentTime()<a name="line.886"></a> -<span class="sourceLineNo">887</span> * to whatever you pass.<a name="line.887"></a> -<span class="sourceLineNo">888</span> * @return This.<a name="line.888"></a> -<span class="sourceLineNo">889</span> */<a name="line.889"></a> -<span class="sourceLineNo">890</span> public FlushRegionEntry requeue(final long when) {<a name="line.890"></a> -<span class="sourceLineNo">891</span> this.whenToExpire = EnvironmentEdgeManager.currentTime() + when;<a name="line.891"></a> -<span class="sourceLineNo">892</span> this.requeueCount++;<a name="line.892"></a> -<span class="sourceLineNo">893</span> return this;<a name="line.893"></a> -<span class="sourceLineNo">894</span> }<a name="line.894"></a> -<span class="sourceLineNo">895</span><a name="line.895"></a> -<span class="sourceLineNo">896</span> @Override<a name="line.896"></a> -<span class="sourceLineNo">897</span> public long getDelay(TimeUnit unit) {<a name="line.897"></a> -<span class="sourceLineNo">898</span> return unit.convert(this.whenToExpire - EnvironmentEdgeManager.currentTime(),<a name="line.898"></a> -<span class="sourceLineNo">899</span> TimeUnit.MILLISECONDS);<a name="line.899"></a> -<span class="sourceLineNo">900</span> }<a name="line.900"></a> -<span class="sourceLineNo">901</span><a name="line.901"></a> -<span class="sourceLineNo">902</span> @Override<a name="line.902"></a> -<span class="sourceLineNo">903</span> public int compareTo(Delayed other) {<a name="line.903"></a> -<span class="sourceLineNo">904</span> // Delay is compared first. If there is a tie, compare region's hash code<a name="line.904"></a> -<span class="sourceLineNo">905</span> int ret = Long.valueOf(getDelay(TimeUnit.MILLISECONDS) -<a name="line.905"></a> -<span class="sourceLineNo">906</span> other.getDelay(TimeUnit.MILLISECONDS)).intValue();<a name="line.906"></a> -<span class="sourceLineNo">907</span> if (ret != 0) {<a name="line.907"></a> -<span class="sourceLineNo">908</span> return ret;<a name="line.908"></a> -<span class="sourceLineNo">909</span> }<a name="line.909"></a> -<span class="sourceLineNo">910</span> FlushQueueEntry otherEntry = (FlushQueueEntry) other;<a name="line.910"></a> -<span class="sourceLineNo">911</span> return hashCode() - otherEntry.hashCode();<a name="line.911"></a> -<span class="sourceLineNo">912</span> }<a name="line.912"></a> -<span class="sourceLineNo">913</span><a name="line.913"></a> -<span class="sourceLineNo">914</span> @Override<a name="line.914"></a> -<span class="sourceLineNo">915</span> public String toString() {<a name="line.915"></a> -<span class="sourceLineNo">916</span> return "[flush region "+Bytes.toStringBinary(region.getRegionInfo().getRegionName())+"]";<a name="line.916"></a> +<span class="sourceLineNo">795</span> while(it.hasNext()){<a name="line.795"></a> +<span class="sourceLineNo">796</span> queueList.append(" "+it.next().toString());<a name="line.796"></a> +<span class="sourceLineNo">797</span> queueList.append("\n");<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> return queueList.toString();<a name="line.800"></a> +<span class="sourceLineNo">801</span> }<a name="line.801"></a> +<span class="sourceLineNo">802</span><a name="line.802"></a> +<span class="sourceLineNo">803</span> /**<a name="line.803"></a> +<span class="sourceLineNo">804</span> * Register a MemstoreFlushListener<a name="line.804"></a> +<span class="sourceLineNo">805</span> * @param listener<a name="line.805"></a> +<span class="sourceLineNo">806</span> */<a name="line.806"></a> +<span class="sourceLineNo">807</span> @Override<a name="line.807"></a> +<span class="sourceLineNo">808</span> public void registerFlushRequestListener(final FlushRequestListener listener) {<a name="line.808"></a> +<span class="sourceLineNo">809</span> this.flushRequestListeners.add(listener);<a name="line.809"></a> +<span class="sourceLineNo">810</span> }<a name="line.810"></a> +<span class="sourceLineNo">811</span><a name="line.811"></a> +<span class="sourceLineNo">812</span> /**<a name="line.812"></a> +<span class="sourceLineNo">813</span> * Unregister the listener from MemstoreFlushListeners<a name="line.813"></a> +<span class="sourceLineNo">814</span> * @param listener<a name="line.814"></a> +<span class="sourceLineNo">815</span> * @return true when passed listener is unregistered successfully.<a name="line.815"></a> +<span class="sourceLineNo">816</span> */<a name="line.816"></a> +<span class="sourceLineNo">817</span> @Override<a name="line.817"></a> +<span class="sourceLineNo">818</span> public boolean unregisterFlushRequestListener(final FlushRequestListener listener) {<a name="line.818"></a> +<span class="sourceLineNo">819</span> return this.flushRequestListeners.remove(listener);<a name="line.819"></a> +<span class="sourceLineNo">820</span> }<a name="line.820"></a> +<span class="sourceLineNo">821</span><a name="line.821"></a> +<span class="sourceLineNo">822</span> /**<a name="line.822"></a> +<span class="sourceLineNo">823</span> * Sets the global memstore limit to a new size.<a name="line.823"></a> +<span class="sourceLineNo">824</span> * @param globalMemStoreSize<a name="line.824"></a> +<span class="sourceLineNo">825</span> */<a name="line.825"></a> +<span class="sourceLineNo">826</span> @Override<a name="line.826"></a> +<span class="sourceLineNo">827</span> public void setGlobalMemStoreLimit(long globalMemStoreSize) {<a name="line.827"></a> +<span class="sourceLineNo">828</span> this.server.getRegionServerAccounting().setGlobalMemStoreLimits(globalMemStoreSize);<a name="line.828"></a> +<span class="sourceLineNo">829</span> reclaimMemStoreMemory();<a name="line.829"></a> +<span class="sourceLineNo">830</span> }<a name="line.830"></a> +<span class="sourceLineNo">831</span><a name="line.831"></a> +<span class="sourceLineNo">832</span> interface FlushQueueEntry extends Delayed {<a name="line.832"></a> +<span class="sourceLineNo">833</span> }<a name="line.833"></a> +<span class="sourceLineNo">834</span><a name="line.834"></a> +<span class="sourceLineNo">835</span> /**<a name="line.835"></a> +<span class="sourceLineNo">836</span> * Datastructure used in the flush queue. Holds region and retry count.<a name="line.836"></a> +<span class="sourceLineNo">837</span> * Keeps tabs on how old this object is. Implements {@link Delayed}. On<a name="line.837"></a> +<span class="sourceLineNo">838</span> * construction, the delay is zero. When added to a delay queue, we'll come<a name="line.838"></a> +<span class="sourceLineNo">839</span> * out near immediately. Call {@link #requeue(long)} passing delay in<a name="line.839"></a> +<span class="sourceLineNo">840</span> * milliseconds before readding to delay queue if you want it to stay there<a name="line.840"></a> +<span class="sourceLineNo">841</span> * a while.<a name="line.841"></a> +<span class="sourceLineNo">842</span> */<a name="line.842"></a> +<span class="sourceLineNo">843</span> static class FlushRegionEntry implements FlushQueueEntry {<a name="line.843"></a> +<span class="sourceLineNo">844</span> private final HRegion region;<a name="line.844"></a> +<span class="sourceLineNo">845</span><a name="line.845"></a> +<span class="sourceLineNo">846</span> private final long createTime;<a name="line.846"></a> +<span class="sourceLineNo">847</span> private long whenToExpire;<a name="line.847"></a> +<span class="sourceLineNo">848</span> private int requeueCount = 0;<a name="line.848"></a> +<span class="sourceLineNo">849</span><a name="line.849"></a> +<span class="sourceLineNo">850</span> private final boolean forceFlushAllStores;<a name="line.850"></a> +<span class="sourceLineNo">851</span><a name="line.851"></a> +<span class="sourceLineNo">852</span> private final FlushLifeCycleTracker tracker;<a name="line.852"></a> +<span class="sourceLineNo">853</span><a name="line.853"></a> +<span class="sourceLineNo">854</span> FlushRegionEntry(final HRegion r, boolean forceFlushAllStores, FlushLifeCycleTracker tracker) {<a name="line.854"></a> +<span class="sourceLineNo">855</span> this.region = r;<a name="line.855"></a> +<span class="sourceLineNo">856</span> this.createTime = EnvironmentEdgeManager.currentTime();<a name="line.856"></a> +<span class="sourceLineNo">857</span> this.whenToExpire = this.createTime;<a name="line.857"></a> +<span class="sourceLineNo">858</span> this.forceFlushAllStores = forceFlushAllStores;<a name="line.858"></a> +<span class="sourceLineNo">859</span> this.tracker = tracker;<a name="line.859"></a> +<span class="sourceLineNo">860</span> }<a name="line.860"></a> +<span class="sourceLineNo">861</span><a name="line.861"></a> +<span class="sourceLineNo">862</span> /**<a name="line.862"></a> +<span class="sourceLineNo">863</span> * @param maximumWait<a name="line.863"></a> +<span class="sourceLineNo">864</span> * @return True if we have been delayed > <code>maximumWait</code> milliseconds.<a name="line.864"></a> +<span class="sourceLineNo">865</span> */<a name="line.865"></a> +<span class="sourceLineNo">866</span> public boolean isMaximumWait(final long maximumWait) {<a name="line.866"></a> +<span class="sourceLineNo">867</span> return (EnvironmentEdgeManager.currentTime() - this.createTime) > maximumWait;<a name="line.867"></a> +<span class="sourceLineNo">868</span> }<a name="line.868"></a> +<span class="sourceLineNo">869</span><a name="line.869"></a> +<span class="sourceLineNo">870</span> /**<a name="line.870"></a> +<span class="sourceLineNo">871</span> * @return Count of times {@link #requeue(long)} was called; i.e this is<a name="line.871"></a> +<span class="sourceLineNo">872</span> * number of times we've been requeued.<a name="line.872"></a> +<span class="sourceLineNo">873</span> */<a name="line.873"></a> +<span class="sourceLineNo">874</span> public int getRequeueCount() {<a name="line.874"></a> +<span class="sourceLineNo">875</span> return this.requeueCount;<a name="line.875"></a> +<span class="sourceLineNo">876</span> }<a name="line.876"></a> +<span class="sourceLineNo">877</span><a name="line.877"></a> +<span class="sourceLineNo">878</span> /**<a name="line.878"></a> +<span class="sourceLineNo">879</span> * @return whether we need to flush all stores.<a name="line.879"></a> +<span class="sourceLineNo">880</span> */<a name="line.880"></a> +<span class="sourceLineNo">881</span> public boolean isForceFlushAllStores() {<a name="line.881"></a> +<span class="sourceLineNo">882</span> return forceFlushAllStores;<a name="line.882"></a> +<span class="sourceLineNo">883</span> }<a name="line.883"></a> +<span class="sourceLineNo">884</span><a name="line.884"></a> +<span class="sourceLineNo">885</span> public FlushLifeCycleTracker getTracker() {<a name="line.885"></a> +<span class="sourceLineNo">886</span> return tracker;<a name="line.886"></a> +<span class="sourceLineNo">887</span> }<a name="line.887"></a> +<span class="sourceLineNo">888</span><a name="line.888"></a> +<span class="sourceLineNo">889</span> /**<a name="line.889"></a> +<span class="sourceLineNo">890</span> * @param when When to expire, when to come up out of the queue.<a name="line.890"></a> +<span class="sourceLineNo">891</span> * Specify in milliseconds. This method adds EnvironmentEdgeManager.currentTime()<a name="line.891"></a> +<span class="sourceLineNo">892</span> * to whatever you pass.<a name="line.892"></a> +<span class="sourceLineNo">893</span> * @return This.<a name="line.893"></a> +<span class="sourceLineNo">894</span> */<a name="line.894"></a> +<span class="sourceLineNo">895</span> public FlushRegionEntry requeue(final long when) {<a name="line.895"></a> +<span class="sourceLineNo">896</span> this.whenToExpire = EnvironmentEdgeManager.currentTime() + when;<a name="line.896"></a> +<span class="sourceLineNo">897</span> this.requeueCount++;<a name="line.897"></a> +<span class="sourceLineNo">898</span> return this;<a name="line.898"></a> +<span class="sourceLineNo">899</span> }<a name="line.899"></a> +<span class="sourceLineNo">900</span><a name="line.900"></a> +<span class="sourceLineNo">901</span> @Override<a name="line.901"></a> +<span class="sourceLineNo">902</span> public long getDelay(TimeUnit unit) {<a name="line.902"></a> +<span class="sourceLineNo">903</span> return unit.convert(this.whenToExpire - EnvironmentEdgeManager.currentTime(),<a name="line.903"></a> +<span class="sourceLineNo">904</span> TimeUnit.MILLISECONDS);<a name="line.904"></a> +<span class="sourceLineNo">905</span> }<a name="line.905"></a> +<span class="sourceLineNo">906</span><a name="line.906"></a> +<span class="sourceLineNo">907</span> @Override<a name="line.907"></a> +<span class="sourceLineNo">908</span> public int compareTo(Delayed other) {<a name="line.908"></a> +<span class="sourceLineNo">909</span> // Delay is compared first. If there is a tie, compare region's hash code<a name="line.909"></a> +<span class="sourceLineNo">910</span> int ret = Long.valueOf(getDelay(TimeUnit.MILLISECONDS) -<a name="line.910"></a> +<span class="sourceLineNo">911</span> other.getDelay(TimeUnit.MILLISECONDS)).intValue();<a name="line.911"></a> +<span class="sourceLineNo">912</span> if (ret != 0) {<a name="line.912"></a> +<span class="sourceLineNo">913</span> return ret;<a name="line.913"></a> +<span class="sourceLineNo">914</span> }<a name="line.914"></a> +<span class="sourceLineNo">915</span> FlushQueueEntry otherEntry = (FlushQueueEntry) other;<a name="line.915"></a> +<span class="sourceLineNo">916</span> return hashCode() - otherEntry.hashCode();<a name="line.916"></a> <span class="sourceLineNo">917</span> }<a name="line.917"></a> <span class="sourceLineNo">918</span><a name="line.918"></a> <span class="sourceLineNo">919</span> @Override<a name="line.919"></a> -<span class="sourceLineNo">920</span> public int hashCode() {<a name="line.920"></a> -<span class="sourceLineNo">921</span> int hash = (int) getDelay(TimeUnit.MILLISECONDS);<a name="line.921"></a> -<span class="sourceLineNo">922</span> return hash ^ region.hashCode();<a name="line.922"></a> -<span class="sourceLineNo">923</span> }<a name="line.923"></a> -<span class="sourceLineNo">924</span><a name="line.924"></a> -<span class="sourceLineNo">925</span> @Override<a name="line.925"></a> -<span class="sourceLineNo">926</span> public boolean equals(Object obj) {<a name="line.926"></a> -<span class="sourceLineNo">927</span> if (this == obj) {<a name="line.927"></a> -<span class="sourceLineNo">928</span> return true;<a name="line.928"></a> -<span class="sourceLineNo">929</span> }<a name="line.929"></a> -<span class="sourceLineNo">930</span> if (obj == null || getClass() != obj.getClass()) {<a name="line.930"></a> -<span class="sourceLineNo">931</span> return false;<a name="line.931"></a> -<span class="sourceLineNo">932</span> }<a name="line.932"></a> -<span class="sourceLineNo">933</span> FlushRegionEntry other = (FlushRegionEntry) obj;<a name="line.933"></a> -<span class="sourceLineNo">934</span> if (!Bytes.equals(this.region.getRegionInfo().getRegionName(),<a name="line.934"></a> -<span class="sourceLineNo">935</span> other.region.getRegionInfo().getRegionName())) {<a name="line.935"></a> +<span class="sourceLineNo">920</span> public String toString() {<a name="line.920"></a> +<span class="sourceLineNo">921</span> return "[flush region "+Bytes.toStringBinary(region.getRegionInfo().getRegi
<TRUNCATED>
