http://git-wip-us.apache.org/repos/asf/hbase-site/blob/c54c242b/devapidocs/src-html/org/apache/hadoop/hbase/regionserver/HRegion.ObservedExceptionsInBatch.html ---------------------------------------------------------------------- diff --git a/devapidocs/src-html/org/apache/hadoop/hbase/regionserver/HRegion.ObservedExceptionsInBatch.html b/devapidocs/src-html/org/apache/hadoop/hbase/regionserver/HRegion.ObservedExceptionsInBatch.html index 3edfbef..9707b2c 100644 --- a/devapidocs/src-html/org/apache/hadoop/hbase/regionserver/HRegion.ObservedExceptionsInBatch.html +++ b/devapidocs/src-html/org/apache/hadoop/hbase/regionserver/HRegion.ObservedExceptionsInBatch.html @@ -2459,5936 +2459,5935 @@ <span class="sourceLineNo">2451</span> }<a name="line.2451"></a> <span class="sourceLineNo">2452</span><a name="line.2452"></a> <span class="sourceLineNo">2453</span> for (HStore s : storesToFlush) {<a name="line.2453"></a> -<span class="sourceLineNo">2454</span> MemStoreSize flushableSize = s.getFlushableSize();<a name="line.2454"></a> -<span class="sourceLineNo">2455</span> totalSizeOfFlushableStores.incMemStoreSize(flushableSize);<a name="line.2455"></a> -<span class="sourceLineNo">2456</span> storeFlushCtxs.put(s.getColumnFamilyDescriptor().getName(),<a name="line.2456"></a> -<span class="sourceLineNo">2457</span> s.createFlushContext(flushOpSeqId, tracker));<a name="line.2457"></a> -<span class="sourceLineNo">2458</span> // for writing stores to WAL<a name="line.2458"></a> -<span class="sourceLineNo">2459</span> committedFiles.put(s.getColumnFamilyDescriptor().getName(), null);<a name="line.2459"></a> -<span class="sourceLineNo">2460</span> storeFlushableSize.put(s.getColumnFamilyDescriptor().getName(), flushableSize);<a name="line.2460"></a> -<span class="sourceLineNo">2461</span> }<a name="line.2461"></a> -<span class="sourceLineNo">2462</span><a name="line.2462"></a> -<span class="sourceLineNo">2463</span> // write the snapshot start to WAL<a name="line.2463"></a> -<span class="sourceLineNo">2464</span> if (wal != null && !writestate.readOnly) {<a name="line.2464"></a> -<span class="sourceLineNo">2465</span> FlushDescriptor desc = ProtobufUtil.toFlushDescriptor(FlushAction.START_FLUSH,<a name="line.2465"></a> -<span class="sourceLineNo">2466</span> getRegionInfo(), flushOpSeqId, committedFiles);<a name="line.2466"></a> -<span class="sourceLineNo">2467</span> // No sync. Sync is below where no updates lock and we do FlushAction.COMMIT_FLUSH<a name="line.2467"></a> -<span class="sourceLineNo">2468</span> WALUtil.writeFlushMarker(wal, this.getReplicationScope(), getRegionInfo(), desc, false,<a name="line.2468"></a> -<span class="sourceLineNo">2469</span> mvcc);<a name="line.2469"></a> -<span class="sourceLineNo">2470</span> }<a name="line.2470"></a> -<span class="sourceLineNo">2471</span><a name="line.2471"></a> -<span class="sourceLineNo">2472</span> // Prepare flush (take a snapshot)<a name="line.2472"></a> -<span class="sourceLineNo">2473</span> for (StoreFlushContext flush : storeFlushCtxs.values()) {<a name="line.2473"></a> -<span class="sourceLineNo">2474</span> flush.prepare();<a name="line.2474"></a> -<span class="sourceLineNo">2475</span> }<a name="line.2475"></a> -<span class="sourceLineNo">2476</span> } catch (IOException ex) {<a name="line.2476"></a> -<span class="sourceLineNo">2477</span> doAbortFlushToWAL(wal, flushOpSeqId, committedFiles);<a name="line.2477"></a> -<span class="sourceLineNo">2478</span> throw ex;<a name="line.2478"></a> -<span class="sourceLineNo">2479</span> } finally {<a name="line.2479"></a> -<span class="sourceLineNo">2480</span> this.updatesLock.writeLock().unlock();<a name="line.2480"></a> -<span class="sourceLineNo">2481</span> }<a name="line.2481"></a> -<span class="sourceLineNo">2482</span> String s = "Finished memstore snapshotting " + this + ", syncing WAL and waiting on mvcc, " +<a name="line.2482"></a> -<span class="sourceLineNo">2483</span> "flushsize=" + totalSizeOfFlushableStores;<a name="line.2483"></a> -<span class="sourceLineNo">2484</span> status.setStatus(s);<a name="line.2484"></a> -<span class="sourceLineNo">2485</span> doSyncOfUnflushedWALChanges(wal, getRegionInfo());<a name="line.2485"></a> -<span class="sourceLineNo">2486</span> return new PrepareFlushResult(storeFlushCtxs, committedFiles, storeFlushableSize, startTime,<a name="line.2486"></a> -<span class="sourceLineNo">2487</span> flushOpSeqId, flushedSeqId, totalSizeOfFlushableStores);<a name="line.2487"></a> -<span class="sourceLineNo">2488</span> }<a name="line.2488"></a> -<span class="sourceLineNo">2489</span><a name="line.2489"></a> -<span class="sourceLineNo">2490</span> /**<a name="line.2490"></a> -<span class="sourceLineNo">2491</span> * Utility method broken out of internalPrepareFlushCache so that method is smaller.<a name="line.2491"></a> -<span class="sourceLineNo">2492</span> */<a name="line.2492"></a> -<span class="sourceLineNo">2493</span> private void logFatLineOnFlush(Collection<HStore> storesToFlush, long sequenceId) {<a name="line.2493"></a> -<span class="sourceLineNo">2494</span> if (!LOG.isInfoEnabled()) {<a name="line.2494"></a> -<span class="sourceLineNo">2495</span> return;<a name="line.2495"></a> -<span class="sourceLineNo">2496</span> }<a name="line.2496"></a> -<span class="sourceLineNo">2497</span> // Log a fat line detailing what is being flushed.<a name="line.2497"></a> -<span class="sourceLineNo">2498</span> StringBuilder perCfExtras = null;<a name="line.2498"></a> -<span class="sourceLineNo">2499</span> if (!isAllFamilies(storesToFlush)) {<a name="line.2499"></a> -<span class="sourceLineNo">2500</span> perCfExtras = new StringBuilder();<a name="line.2500"></a> -<span class="sourceLineNo">2501</span> for (HStore store: storesToFlush) {<a name="line.2501"></a> -<span class="sourceLineNo">2502</span> perCfExtras.append("; ").append(store.getColumnFamilyName());<a name="line.2502"></a> -<span class="sourceLineNo">2503</span> perCfExtras.append("=")<a name="line.2503"></a> -<span class="sourceLineNo">2504</span> .append(StringUtils.byteDesc(store.getFlushableSize().getDataSize()));<a name="line.2504"></a> -<span class="sourceLineNo">2505</span> }<a name="line.2505"></a> -<span class="sourceLineNo">2506</span> }<a name="line.2506"></a> -<span class="sourceLineNo">2507</span> LOG.info("Flushing " + + storesToFlush.size() + "/" + stores.size() +<a name="line.2507"></a> -<span class="sourceLineNo">2508</span> " column families, memstore=" + StringUtils.byteDesc(this.memstoreDataSize.get()) +<a name="line.2508"></a> -<span class="sourceLineNo">2509</span> ((perCfExtras != null && perCfExtras.length() > 0)? perCfExtras.toString(): "") +<a name="line.2509"></a> -<span class="sourceLineNo">2510</span> ((wal != null) ? "" : "; WAL is null, using passed sequenceid=" + sequenceId));<a name="line.2510"></a> -<span class="sourceLineNo">2511</span> }<a name="line.2511"></a> -<span class="sourceLineNo">2512</span><a name="line.2512"></a> -<span class="sourceLineNo">2513</span> private void doAbortFlushToWAL(final WAL wal, final long flushOpSeqId,<a name="line.2513"></a> -<span class="sourceLineNo">2514</span> final Map<byte[], List<Path>> committedFiles) {<a name="line.2514"></a> -<span class="sourceLineNo">2515</span> if (wal == null) return;<a name="line.2515"></a> -<span class="sourceLineNo">2516</span> try {<a name="line.2516"></a> -<span class="sourceLineNo">2517</span> FlushDescriptor desc = ProtobufUtil.toFlushDescriptor(FlushAction.ABORT_FLUSH,<a name="line.2517"></a> -<span class="sourceLineNo">2518</span> getRegionInfo(), flushOpSeqId, committedFiles);<a name="line.2518"></a> -<span class="sourceLineNo">2519</span> WALUtil.writeFlushMarker(wal, this.getReplicationScope(), getRegionInfo(), desc, false,<a name="line.2519"></a> -<span class="sourceLineNo">2520</span> mvcc);<a name="line.2520"></a> -<span class="sourceLineNo">2521</span> } catch (Throwable t) {<a name="line.2521"></a> -<span class="sourceLineNo">2522</span> LOG.warn("Received unexpected exception trying to write ABORT_FLUSH marker to WAL:" +<a name="line.2522"></a> -<span class="sourceLineNo">2523</span> StringUtils.stringifyException(t));<a name="line.2523"></a> -<span class="sourceLineNo">2524</span> // ignore this since we will be aborting the RS with DSE.<a name="line.2524"></a> -<span class="sourceLineNo">2525</span> }<a name="line.2525"></a> -<span class="sourceLineNo">2526</span> // we have called wal.startCacheFlush(), now we have to abort it<a name="line.2526"></a> -<span class="sourceLineNo">2527</span> wal.abortCacheFlush(this.getRegionInfo().getEncodedNameAsBytes());<a name="line.2527"></a> -<span class="sourceLineNo">2528</span> }<a name="line.2528"></a> -<span class="sourceLineNo">2529</span><a name="line.2529"></a> -<span class="sourceLineNo">2530</span> /**<a name="line.2530"></a> -<span class="sourceLineNo">2531</span> * Sync unflushed WAL changes. See HBASE-8208 for details<a name="line.2531"></a> -<span class="sourceLineNo">2532</span> */<a name="line.2532"></a> -<span class="sourceLineNo">2533</span> private static void doSyncOfUnflushedWALChanges(final WAL wal, final RegionInfo hri)<a name="line.2533"></a> -<span class="sourceLineNo">2534</span> throws IOException {<a name="line.2534"></a> -<span class="sourceLineNo">2535</span> if (wal == null) {<a name="line.2535"></a> -<span class="sourceLineNo">2536</span> return;<a name="line.2536"></a> -<span class="sourceLineNo">2537</span> }<a name="line.2537"></a> -<span class="sourceLineNo">2538</span> try {<a name="line.2538"></a> -<span class="sourceLineNo">2539</span> wal.sync(); // ensure that flush marker is sync'ed<a name="line.2539"></a> -<span class="sourceLineNo">2540</span> } catch (IOException ioe) {<a name="line.2540"></a> -<span class="sourceLineNo">2541</span> wal.abortCacheFlush(hri.getEncodedNameAsBytes());<a name="line.2541"></a> -<span class="sourceLineNo">2542</span> throw ioe;<a name="line.2542"></a> -<span class="sourceLineNo">2543</span> }<a name="line.2543"></a> -<span class="sourceLineNo">2544</span> }<a name="line.2544"></a> -<span class="sourceLineNo">2545</span><a name="line.2545"></a> -<span class="sourceLineNo">2546</span> /**<a name="line.2546"></a> -<span class="sourceLineNo">2547</span> * @return True if passed Set is all families in the region.<a name="line.2547"></a> -<span class="sourceLineNo">2548</span> */<a name="line.2548"></a> -<span class="sourceLineNo">2549</span> private boolean isAllFamilies(Collection<HStore> families) {<a name="line.2549"></a> -<span class="sourceLineNo">2550</span> return families == null || this.stores.size() == families.size();<a name="line.2550"></a> -<span class="sourceLineNo">2551</span> }<a name="line.2551"></a> -<span class="sourceLineNo">2552</span><a name="line.2552"></a> -<span class="sourceLineNo">2553</span> /**<a name="line.2553"></a> -<span class="sourceLineNo">2554</span> * Writes a marker to WAL indicating a flush is requested but cannot be complete due to various<a name="line.2554"></a> -<span class="sourceLineNo">2555</span> * reasons. Ignores exceptions from WAL. Returns whether the write succeeded.<a name="line.2555"></a> -<span class="sourceLineNo">2556</span> * @param wal<a name="line.2556"></a> -<span class="sourceLineNo">2557</span> * @return whether WAL write was successful<a name="line.2557"></a> -<span class="sourceLineNo">2558</span> */<a name="line.2558"></a> -<span class="sourceLineNo">2559</span> private boolean writeFlushRequestMarkerToWAL(WAL wal, boolean writeFlushWalMarker) {<a name="line.2559"></a> -<span class="sourceLineNo">2560</span> if (writeFlushWalMarker && wal != null && !writestate.readOnly) {<a name="line.2560"></a> -<span class="sourceLineNo">2561</span> FlushDescriptor desc = ProtobufUtil.toFlushDescriptor(FlushAction.CANNOT_FLUSH,<a name="line.2561"></a> -<span class="sourceLineNo">2562</span> getRegionInfo(), -1, new TreeMap<>(Bytes.BYTES_COMPARATOR));<a name="line.2562"></a> -<span class="sourceLineNo">2563</span> try {<a name="line.2563"></a> -<span class="sourceLineNo">2564</span> WALUtil.writeFlushMarker(wal, this.getReplicationScope(), getRegionInfo(), desc, true,<a name="line.2564"></a> -<span class="sourceLineNo">2565</span> mvcc);<a name="line.2565"></a> -<span class="sourceLineNo">2566</span> return true;<a name="line.2566"></a> -<span class="sourceLineNo">2567</span> } catch (IOException e) {<a name="line.2567"></a> -<span class="sourceLineNo">2568</span> LOG.warn(getRegionInfo().getEncodedName() + " : "<a name="line.2568"></a> -<span class="sourceLineNo">2569</span> + "Received exception while trying to write the flush request to wal", e);<a name="line.2569"></a> -<span class="sourceLineNo">2570</span> }<a name="line.2570"></a> -<span class="sourceLineNo">2571</span> }<a name="line.2571"></a> -<span class="sourceLineNo">2572</span> return false;<a name="line.2572"></a> -<span class="sourceLineNo">2573</span> }<a name="line.2573"></a> -<span class="sourceLineNo">2574</span><a name="line.2574"></a> -<span class="sourceLineNo">2575</span> @edu.umd.cs.findbugs.annotations.SuppressWarnings(value="NN_NAKED_NOTIFY",<a name="line.2575"></a> -<span class="sourceLineNo">2576</span> justification="Intentional; notify is about completed flush")<a name="line.2576"></a> -<span class="sourceLineNo">2577</span> protected FlushResultImpl internalFlushCacheAndCommit(WAL wal, MonitoredTask status,<a name="line.2577"></a> -<span class="sourceLineNo">2578</span> PrepareFlushResult prepareResult, Collection<HStore> storesToFlush) throws IOException {<a name="line.2578"></a> -<span class="sourceLineNo">2579</span> // prepare flush context is carried via PrepareFlushResult<a name="line.2579"></a> -<span class="sourceLineNo">2580</span> TreeMap<byte[], StoreFlushContext> storeFlushCtxs = prepareResult.storeFlushCtxs;<a name="line.2580"></a> -<span class="sourceLineNo">2581</span> TreeMap<byte[], List<Path>> committedFiles = prepareResult.committedFiles;<a name="line.2581"></a> -<span class="sourceLineNo">2582</span> long startTime = prepareResult.startTime;<a name="line.2582"></a> -<span class="sourceLineNo">2583</span> long flushOpSeqId = prepareResult.flushOpSeqId;<a name="line.2583"></a> -<span class="sourceLineNo">2584</span> long flushedSeqId = prepareResult.flushedSeqId;<a name="line.2584"></a> -<span class="sourceLineNo">2585</span><a name="line.2585"></a> -<span class="sourceLineNo">2586</span> String s = "Flushing stores of " + this;<a name="line.2586"></a> -<span class="sourceLineNo">2587</span> status.setStatus(s);<a name="line.2587"></a> -<span class="sourceLineNo">2588</span> if (LOG.isTraceEnabled()) LOG.trace(s);<a name="line.2588"></a> -<span class="sourceLineNo">2589</span><a name="line.2589"></a> -<span class="sourceLineNo">2590</span> // Any failure from here on out will be catastrophic requiring server<a name="line.2590"></a> -<span class="sourceLineNo">2591</span> // restart so wal content can be replayed and put back into the memstore.<a name="line.2591"></a> -<span class="sourceLineNo">2592</span> // Otherwise, the snapshot content while backed up in the wal, it will not<a name="line.2592"></a> -<span class="sourceLineNo">2593</span> // be part of the current running servers state.<a name="line.2593"></a> -<span class="sourceLineNo">2594</span> boolean compactionRequested = false;<a name="line.2594"></a> -<span class="sourceLineNo">2595</span> long flushedOutputFileSize = 0;<a name="line.2595"></a> -<span class="sourceLineNo">2596</span> try {<a name="line.2596"></a> -<span class="sourceLineNo">2597</span> // A. Flush memstore to all the HStores.<a name="line.2597"></a> -<span class="sourceLineNo">2598</span> // Keep running vector of all store files that includes both old and the<a name="line.2598"></a> -<span class="sourceLineNo">2599</span> // just-made new flush store file. The new flushed file is still in the<a name="line.2599"></a> -<span class="sourceLineNo">2600</span> // tmp directory.<a name="line.2600"></a> -<span class="sourceLineNo">2601</span><a name="line.2601"></a> -<span class="sourceLineNo">2602</span> for (StoreFlushContext flush : storeFlushCtxs.values()) {<a name="line.2602"></a> -<span class="sourceLineNo">2603</span> flush.flushCache(status);<a name="line.2603"></a> -<span class="sourceLineNo">2604</span> }<a name="line.2604"></a> -<span class="sourceLineNo">2605</span><a name="line.2605"></a> -<span class="sourceLineNo">2606</span> // Switch snapshot (in memstore) -> new hfile (thus causing<a name="line.2606"></a> -<span class="sourceLineNo">2607</span> // all the store scanners to reset/reseek).<a name="line.2607"></a> -<span class="sourceLineNo">2608</span> Iterator<HStore> it = storesToFlush.iterator();<a name="line.2608"></a> -<span class="sourceLineNo">2609</span> // stores.values() and storeFlushCtxs have same order<a name="line.2609"></a> -<span class="sourceLineNo">2610</span> for (StoreFlushContext flush : storeFlushCtxs.values()) {<a name="line.2610"></a> -<span class="sourceLineNo">2611</span> boolean needsCompaction = flush.commit(status);<a name="line.2611"></a> -<span class="sourceLineNo">2612</span> if (needsCompaction) {<a name="line.2612"></a> -<span class="sourceLineNo">2613</span> compactionRequested = true;<a name="line.2613"></a> -<span class="sourceLineNo">2614</span> }<a name="line.2614"></a> -<span class="sourceLineNo">2615</span> byte[] storeName = it.next().getColumnFamilyDescriptor().getName();<a name="line.2615"></a> -<span class="sourceLineNo">2616</span> List<Path> storeCommittedFiles = flush.getCommittedFiles();<a name="line.2616"></a> -<span class="sourceLineNo">2617</span> committedFiles.put(storeName, storeCommittedFiles);<a name="line.2617"></a> -<span class="sourceLineNo">2618</span> // Flush committed no files, indicating flush is empty or flush was canceled<a name="line.2618"></a> -<span class="sourceLineNo">2619</span> if (storeCommittedFiles == null || storeCommittedFiles.isEmpty()) {<a name="line.2619"></a> -<span class="sourceLineNo">2620</span> MemStoreSize storeFlushableSize = prepareResult.storeFlushableSize.get(storeName);<a name="line.2620"></a> -<span class="sourceLineNo">2621</span> prepareResult.totalFlushableSize.decMemStoreSize(storeFlushableSize);<a name="line.2621"></a> -<span class="sourceLineNo">2622</span> }<a name="line.2622"></a> -<span class="sourceLineNo">2623</span> flushedOutputFileSize += flush.getOutputFileSize();<a name="line.2623"></a> -<span class="sourceLineNo">2624</span> }<a name="line.2624"></a> -<span class="sourceLineNo">2625</span> storeFlushCtxs.clear();<a name="line.2625"></a> -<span class="sourceLineNo">2626</span><a name="line.2626"></a> -<span class="sourceLineNo">2627</span> // Set down the memstore size by amount of flush.<a name="line.2627"></a> -<span class="sourceLineNo">2628</span> this.decrMemStoreSize(prepareResult.totalFlushableSize);<a name="line.2628"></a> -<span class="sourceLineNo">2629</span><a name="line.2629"></a> -<span class="sourceLineNo">2630</span> if (wal != null) {<a name="line.2630"></a> -<span class="sourceLineNo">2631</span> // write flush marker to WAL. If fail, we should throw DroppedSnapshotException<a name="line.2631"></a> -<span class="sourceLineNo">2632</span> FlushDescriptor desc = ProtobufUtil.toFlushDescriptor(FlushAction.COMMIT_FLUSH,<a name="line.2632"></a> -<span class="sourceLineNo">2633</span> getRegionInfo(), flushOpSeqId, committedFiles);<a name="line.2633"></a> -<span class="sourceLineNo">2634</span> WALUtil.writeFlushMarker(wal, this.getReplicationScope(), getRegionInfo(), desc, true,<a name="line.2634"></a> -<span class="sourceLineNo">2635</span> mvcc);<a name="line.2635"></a> -<span class="sourceLineNo">2636</span> }<a name="line.2636"></a> -<span class="sourceLineNo">2637</span> } catch (Throwable t) {<a name="line.2637"></a> -<span class="sourceLineNo">2638</span> // An exception here means that the snapshot was not persisted.<a name="line.2638"></a> -<span class="sourceLineNo">2639</span> // The wal needs to be replayed so its content is restored to memstore.<a name="line.2639"></a> -<span class="sourceLineNo">2640</span> // Currently, only a server restart will do this.<a name="line.2640"></a> -<span class="sourceLineNo">2641</span> // We used to only catch IOEs but its possible that we'd get other<a name="line.2641"></a> -<span class="sourceLineNo">2642</span> // exceptions -- e.g. HBASE-659 was about an NPE -- so now we catch<a name="line.2642"></a> -<span class="sourceLineNo">2643</span> // all and sundry.<a name="line.2643"></a> -<span class="sourceLineNo">2644</span> if (wal != null) {<a name="line.2644"></a> -<span class="sourceLineNo">2645</span> try {<a name="line.2645"></a> -<span class="sourceLineNo">2646</span> FlushDescriptor desc = ProtobufUtil.toFlushDescriptor(FlushAction.ABORT_FLUSH,<a name="line.2646"></a> -<span class="sourceLineNo">2647</span> getRegionInfo(), flushOpSeqId, committedFiles);<a name="line.2647"></a> -<span class="sourceLineNo">2648</span> WALUtil.writeFlushMarker(wal, this.replicationScope, getRegionInfo(), desc, false, mvcc);<a name="line.2648"></a> -<span class="sourceLineNo">2649</span> } catch (Throwable ex) {<a name="line.2649"></a> -<span class="sourceLineNo">2650</span> LOG.warn(getRegionInfo().getEncodedName() + " : "<a name="line.2650"></a> -<span class="sourceLineNo">2651</span> + "failed writing ABORT_FLUSH marker to WAL", ex);<a name="line.2651"></a> -<span class="sourceLineNo">2652</span> // ignore this since we will be aborting the RS with DSE.<a name="line.2652"></a> -<span class="sourceLineNo">2653</span> }<a name="line.2653"></a> -<span class="sourceLineNo">2654</span> wal.abortCacheFlush(this.getRegionInfo().getEncodedNameAsBytes());<a name="line.2654"></a> -<span class="sourceLineNo">2655</span> }<a name="line.2655"></a> -<span class="sourceLineNo">2656</span> DroppedSnapshotException dse = new DroppedSnapshotException("region: " +<a name="line.2656"></a> -<span class="sourceLineNo">2657</span> Bytes.toStringBinary(getRegionInfo().getRegionName()));<a name="line.2657"></a> -<span class="sourceLineNo">2658</span> dse.initCause(t);<a name="line.2658"></a> -<span class="sourceLineNo">2659</span> status.abort("Flush failed: " + StringUtils.stringifyException(t));<a name="line.2659"></a> -<span class="sourceLineNo">2660</span><a name="line.2660"></a> -<span class="sourceLineNo">2661</span> // Callers for flushcache() should catch DroppedSnapshotException and abort the region server.<a name="line.2661"></a> -<span class="sourceLineNo">2662</span> // However, since we may have the region read lock, we cannot call close(true) here since<a name="line.2662"></a> -<span class="sourceLineNo">2663</span> // we cannot promote to a write lock. Instead we are setting closing so that all other region<a name="line.2663"></a> -<span class="sourceLineNo">2664</span> // operations except for close will be rejected.<a name="line.2664"></a> -<span class="sourceLineNo">2665</span> this.closing.set(true);<a name="line.2665"></a> -<span class="sourceLineNo">2666</span><a name="line.2666"></a> -<span class="sourceLineNo">2667</span> if (rsServices != null) {<a name="line.2667"></a> -<span class="sourceLineNo">2668</span> // This is a safeguard against the case where the caller fails to explicitly handle aborting<a name="line.2668"></a> -<span class="sourceLineNo">2669</span> rsServices.abort("Replay of WAL required. Forcing server shutdown", dse);<a name="line.2669"></a> -<span class="sourceLineNo">2670</span> }<a name="line.2670"></a> -<span class="sourceLineNo">2671</span><a name="line.2671"></a> -<span class="sourceLineNo">2672</span> throw dse;<a name="line.2672"></a> -<span class="sourceLineNo">2673</span> }<a name="line.2673"></a> -<span class="sourceLineNo">2674</span><a name="line.2674"></a> -<span class="sourceLineNo">2675</span> // If we get to here, the HStores have been written.<a name="line.2675"></a> -<span class="sourceLineNo">2676</span> if (wal != null) {<a name="line.2676"></a> -<span class="sourceLineNo">2677</span> wal.completeCacheFlush(this.getRegionInfo().getEncodedNameAsBytes());<a name="line.2677"></a> -<span class="sourceLineNo">2678</span> }<a name="line.2678"></a> -<span class="sourceLineNo">2679</span><a name="line.2679"></a> -<span class="sourceLineNo">2680</span> // Record latest flush time<a name="line.2680"></a> -<span class="sourceLineNo">2681</span> for (HStore store: storesToFlush) {<a name="line.2681"></a> -<span class="sourceLineNo">2682</span> this.lastStoreFlushTimeMap.put(store, startTime);<a name="line.2682"></a> -<span class="sourceLineNo">2683</span> }<a name="line.2683"></a> -<span class="sourceLineNo">2684</span><a name="line.2684"></a> -<span class="sourceLineNo">2685</span> this.maxFlushedSeqId = flushedSeqId;<a name="line.2685"></a> -<span class="sourceLineNo">2686</span> this.lastFlushOpSeqId = flushOpSeqId;<a name="line.2686"></a> -<span class="sourceLineNo">2687</span><a name="line.2687"></a> -<span class="sourceLineNo">2688</span> // C. Finally notify anyone waiting on memstore to clear:<a name="line.2688"></a> -<span class="sourceLineNo">2689</span> // e.g. checkResources().<a name="line.2689"></a> -<span class="sourceLineNo">2690</span> synchronized (this) {<a name="line.2690"></a> -<span class="sourceLineNo">2691</span> notifyAll(); // FindBugs NN_NAKED_NOTIFY<a name="line.2691"></a> -<span class="sourceLineNo">2692</span> }<a name="line.2692"></a> -<span class="sourceLineNo">2693</span><a name="line.2693"></a> -<span class="sourceLineNo">2694</span> long time = EnvironmentEdgeManager.currentTime() - startTime;<a name="line.2694"></a> -<span class="sourceLineNo">2695</span> long memstoresize = this.memstoreDataSize.get();<a name="line.2695"></a> -<span class="sourceLineNo">2696</span> String msg = "Finished memstore flush of ~"<a name="line.2696"></a> -<span class="sourceLineNo">2697</span> + StringUtils.byteDesc(prepareResult.totalFlushableSize.getDataSize()) + "/"<a name="line.2697"></a> -<span class="sourceLineNo">2698</span> + prepareResult.totalFlushableSize.getDataSize() + ", currentsize="<a name="line.2698"></a> -<span class="sourceLineNo">2699</span> + StringUtils.byteDesc(memstoresize) + "/" + memstoresize<a name="line.2699"></a> -<span class="sourceLineNo">2700</span> + " for region " + this + " in " + time + "ms, sequenceid="<a name="line.2700"></a> -<span class="sourceLineNo">2701</span> + flushOpSeqId + ", compaction requested=" + compactionRequested<a name="line.2701"></a> -<span class="sourceLineNo">2702</span> + ((wal == null) ? "; wal=null" : "");<a name="line.2702"></a> -<span class="sourceLineNo">2703</span> LOG.info(msg);<a name="line.2703"></a> -<span class="sourceLineNo">2704</span> status.setStatus(msg);<a name="line.2704"></a> -<span class="sourceLineNo">2705</span><a name="line.2705"></a> -<span class="sourceLineNo">2706</span> if (rsServices != null && rsServices.getMetrics() != null) {<a name="line.2706"></a> -<span class="sourceLineNo">2707</span> rsServices.getMetrics().updateFlush(time - startTime,<a name="line.2707"></a> -<span class="sourceLineNo">2708</span> prepareResult.totalFlushableSize.getDataSize(), flushedOutputFileSize);<a name="line.2708"></a> -<span class="sourceLineNo">2709</span> }<a name="line.2709"></a> -<span class="sourceLineNo">2710</span><a name="line.2710"></a> -<span class="sourceLineNo">2711</span> return new FlushResultImpl(compactionRequested ?<a name="line.2711"></a> -<span class="sourceLineNo">2712</span> FlushResult.Result.FLUSHED_COMPACTION_NEEDED :<a name="line.2712"></a> -<span class="sourceLineNo">2713</span> FlushResult.Result.FLUSHED_NO_COMPACTION_NEEDED, flushOpSeqId);<a name="line.2713"></a> -<span class="sourceLineNo">2714</span> }<a name="line.2714"></a> -<span class="sourceLineNo">2715</span><a name="line.2715"></a> -<span class="sourceLineNo">2716</span> /**<a name="line.2716"></a> -<span class="sourceLineNo">2717</span> * Method to safely get the next sequence number.<a name="line.2717"></a> -<span class="sourceLineNo">2718</span> * @return Next sequence number unassociated with any actual edit.<a name="line.2718"></a> -<span class="sourceLineNo">2719</span> * @throws IOException<a name="line.2719"></a> -<span class="sourceLineNo">2720</span> */<a name="line.2720"></a> -<span class="sourceLineNo">2721</span> @VisibleForTesting<a name="line.2721"></a> -<span class="sourceLineNo">2722</span> protected long getNextSequenceId(final WAL wal) throws IOException {<a name="line.2722"></a> -<span class="sourceLineNo">2723</span> WriteEntry we = mvcc.begin();<a name="line.2723"></a> -<span class="sourceLineNo">2724</span> mvcc.completeAndWait(we);<a name="line.2724"></a> -<span class="sourceLineNo">2725</span> return we.getWriteNumber();<a name="line.2725"></a> -<span class="sourceLineNo">2726</span> }<a name="line.2726"></a> -<span class="sourceLineNo">2727</span><a name="line.2727"></a> -<span class="sourceLineNo">2728</span> //////////////////////////////////////////////////////////////////////////////<a name="line.2728"></a> -<span class="sourceLineNo">2729</span> // get() methods for client use.<a name="line.2729"></a> -<span class="sourceLineNo">2730</span> //////////////////////////////////////////////////////////////////////////////<a name="line.2730"></a> -<span class="sourceLineNo">2731</span><a name="line.2731"></a> -<span class="sourceLineNo">2732</span> @Override<a name="line.2732"></a> -<span class="sourceLineNo">2733</span> public RegionScannerImpl getScanner(Scan scan) throws IOException {<a name="line.2733"></a> -<span class="sourceLineNo">2734</span> return getScanner(scan, null);<a name="line.2734"></a> -<span class="sourceLineNo">2735</span> }<a name="line.2735"></a> -<span class="sourceLineNo">2736</span><a name="line.2736"></a> -<span class="sourceLineNo">2737</span> @Override<a name="line.2737"></a> -<span class="sourceLineNo">2738</span> public RegionScannerImpl getScanner(Scan scan, List<KeyValueScanner> additionalScanners)<a name="line.2738"></a> -<span class="sourceLineNo">2739</span> throws IOException {<a name="line.2739"></a> -<span class="sourceLineNo">2740</span> return getScanner(scan, additionalScanners, HConstants.NO_NONCE, HConstants.NO_NONCE);<a name="line.2740"></a> -<span class="sourceLineNo">2741</span> }<a name="line.2741"></a> -<span class="sourceLineNo">2742</span><a name="line.2742"></a> -<span class="sourceLineNo">2743</span> private RegionScannerImpl getScanner(Scan scan, List<KeyValueScanner> additionalScanners,<a name="line.2743"></a> -<span class="sourceLineNo">2744</span> long nonceGroup, long nonce) throws IOException {<a name="line.2744"></a> -<span class="sourceLineNo">2745</span> startRegionOperation(Operation.SCAN);<a name="line.2745"></a> -<span class="sourceLineNo">2746</span> try {<a name="line.2746"></a> -<span class="sourceLineNo">2747</span> // Verify families are all valid<a name="line.2747"></a> -<span class="sourceLineNo">2748</span> if (!scan.hasFamilies()) {<a name="line.2748"></a> -<span class="sourceLineNo">2749</span> // Adding all families to scanner<a name="line.2749"></a> -<span class="sourceLineNo">2750</span> for (byte[] family : this.htableDescriptor.getColumnFamilyNames()) {<a name="line.2750"></a> -<span class="sourceLineNo">2751</span> scan.addFamily(family);<a name="line.2751"></a> -<span class="sourceLineNo">2752</span> }<a name="line.2752"></a> -<span class="sourceLineNo">2753</span> } else {<a name="line.2753"></a> -<span class="sourceLineNo">2754</span> for (byte[] family : scan.getFamilyMap().keySet()) {<a name="line.2754"></a> -<span class="sourceLineNo">2755</span> checkFamily(family);<a name="line.2755"></a> -<span class="sourceLineNo">2756</span> }<a name="line.2756"></a> -<span class="sourceLineNo">2757</span> }<a name="line.2757"></a> -<span class="sourceLineNo">2758</span> return instantiateRegionScanner(scan, additionalScanners, nonceGroup, nonce);<a name="line.2758"></a> -<span class="sourceLineNo">2759</span> } finally {<a name="line.2759"></a> -<span class="sourceLineNo">2760</span> closeRegionOperation(Operation.SCAN);<a name="line.2760"></a> -<span class="sourceLineNo">2761</span> }<a name="line.2761"></a> -<span class="sourceLineNo">2762</span> }<a name="line.2762"></a> -<span class="sourceLineNo">2763</span><a name="line.2763"></a> -<span class="sourceLineNo">2764</span> protected RegionScanner instantiateRegionScanner(Scan scan,<a name="line.2764"></a> -<span class="sourceLineNo">2765</span> List<KeyValueScanner> additionalScanners) throws IOException {<a name="line.2765"></a> -<span class="sourceLineNo">2766</span> return instantiateRegionScanner(scan, additionalScanners, HConstants.NO_NONCE,<a name="line.2766"></a> -<span class="sourceLineNo">2767</span> HConstants.NO_NONCE);<a name="line.2767"></a> -<span class="sourceLineNo">2768</span> }<a name="line.2768"></a> -<span class="sourceLineNo">2769</span><a name="line.2769"></a> -<span class="sourceLineNo">2770</span> protected RegionScannerImpl instantiateRegionScanner(Scan scan,<a name="line.2770"></a> -<span class="sourceLineNo">2771</span> List<KeyValueScanner> additionalScanners, long nonceGroup, long nonce) throws IOException {<a name="line.2771"></a> -<span class="sourceLineNo">2772</span> if (scan.isReversed()) {<a name="line.2772"></a> -<span class="sourceLineNo">2773</span> if (scan.getFilter() != null) {<a name="line.2773"></a> -<span class="sourceLineNo">2774</span> scan.getFilter().setReversed(true);<a name="line.2774"></a> -<span class="sourceLineNo">2775</span> }<a name="line.2775"></a> -<span class="sourceLineNo">2776</span> return new ReversedRegionScannerImpl(scan, additionalScanners, this);<a name="line.2776"></a> -<span class="sourceLineNo">2777</span> }<a name="line.2777"></a> -<span class="sourceLineNo">2778</span> return new RegionScannerImpl(scan, additionalScanners, this, nonceGroup, nonce);<a name="line.2778"></a> -<span class="sourceLineNo">2779</span> }<a name="line.2779"></a> -<span class="sourceLineNo">2780</span><a name="line.2780"></a> -<span class="sourceLineNo">2781</span> /**<a name="line.2781"></a> -<span class="sourceLineNo">2782</span> * Prepare a delete for a row mutation processor<a name="line.2782"></a> -<span class="sourceLineNo">2783</span> * @param delete The passed delete is modified by this method. WARNING!<a name="line.2783"></a> -<span class="sourceLineNo">2784</span> * @throws IOException<a name="line.2784"></a> -<span class="sourceLineNo">2785</span> */<a name="line.2785"></a> -<span class="sourceLineNo">2786</span> public void prepareDelete(Delete delete) throws IOException {<a name="line.2786"></a> -<span class="sourceLineNo">2787</span> // Check to see if this is a deleteRow insert<a name="line.2787"></a> -<span class="sourceLineNo">2788</span> if(delete.getFamilyCellMap().isEmpty()){<a name="line.2788"></a> -<span class="sourceLineNo">2789</span> for(byte [] family : this.htableDescriptor.getColumnFamilyNames()){<a name="line.2789"></a> -<span class="sourceLineNo">2790</span> // Don't eat the timestamp<a name="line.2790"></a> -<span class="sourceLineNo">2791</span> delete.addFamily(family, delete.getTimeStamp());<a name="line.2791"></a> -<span class="sourceLineNo">2792</span> }<a name="line.2792"></a> -<span class="sourceLineNo">2793</span> } else {<a name="line.2793"></a> -<span class="sourceLineNo">2794</span> for(byte [] family : delete.getFamilyCellMap().keySet()) {<a name="line.2794"></a> -<span class="sourceLineNo">2795</span> if(family == null) {<a name="line.2795"></a> -<span class="sourceLineNo">2796</span> throw new NoSuchColumnFamilyException("Empty family is invalid");<a name="line.2796"></a> -<span class="sourceLineNo">2797</span> }<a name="line.2797"></a> -<span class="sourceLineNo">2798</span> checkFamily(family);<a name="line.2798"></a> -<span class="sourceLineNo">2799</span> }<a name="line.2799"></a> -<span class="sourceLineNo">2800</span> }<a name="line.2800"></a> -<span class="sourceLineNo">2801</span> }<a name="line.2801"></a> -<span class="sourceLineNo">2802</span><a name="line.2802"></a> -<span class="sourceLineNo">2803</span> @Override<a name="line.2803"></a> -<span class="sourceLineNo">2804</span> public void delete(Delete delete) throws IOException {<a name="line.2804"></a> -<span class="sourceLineNo">2805</span> checkReadOnly();<a name="line.2805"></a> -<span class="sourceLineNo">2806</span> checkResources();<a name="line.2806"></a> -<span class="sourceLineNo">2807</span> startRegionOperation(Operation.DELETE);<a name="line.2807"></a> -<span class="sourceLineNo">2808</span> try {<a name="line.2808"></a> -<span class="sourceLineNo">2809</span> // All edits for the given row (across all column families) must happen atomically.<a name="line.2809"></a> -<span class="sourceLineNo">2810</span> doBatchMutate(delete);<a name="line.2810"></a> -<span class="sourceLineNo">2811</span> } finally {<a name="line.2811"></a> -<span class="sourceLineNo">2812</span> closeRegionOperation(Operation.DELETE);<a name="line.2812"></a> -<span class="sourceLineNo">2813</span> }<a name="line.2813"></a> -<span class="sourceLineNo">2814</span> }<a name="line.2814"></a> -<span class="sourceLineNo">2815</span><a name="line.2815"></a> -<span class="sourceLineNo">2816</span> /**<a name="line.2816"></a> -<span class="sourceLineNo">2817</span> * Row needed by below method.<a name="line.2817"></a> -<span class="sourceLineNo">2818</span> */<a name="line.2818"></a> -<span class="sourceLineNo">2819</span> private static final byte [] FOR_UNIT_TESTS_ONLY = Bytes.toBytes("ForUnitTestsOnly");<a name="line.2819"></a> -<span class="sourceLineNo">2820</span><a name="line.2820"></a> -<span class="sourceLineNo">2821</span> /**<a name="line.2821"></a> -<span class="sourceLineNo">2822</span> * This is used only by unit tests. Not required to be a public API.<a name="line.2822"></a> -<span class="sourceLineNo">2823</span> * @param familyMap map of family to edits for the given family.<a name="line.2823"></a> -<span class="sourceLineNo">2824</span> * @throws IOException<a name="line.2824"></a> -<span class="sourceLineNo">2825</span> */<a name="line.2825"></a> -<span class="sourceLineNo">2826</span> void delete(NavigableMap<byte[], List<Cell>> familyMap,<a name="line.2826"></a> -<span class="sourceLineNo">2827</span> Durability durability) throws IOException {<a name="line.2827"></a> -<span class="sourceLineNo">2828</span> Delete delete = new Delete(FOR_UNIT_TESTS_ONLY);<a name="line.2828"></a> -<span class="sourceLineNo">2829</span> delete.setFamilyCellMap(familyMap);<a name="line.2829"></a> -<span class="sourceLineNo">2830</span> delete.setDurability(durability);<a name="line.2830"></a> -<span class="sourceLineNo">2831</span> doBatchMutate(delete);<a name="line.2831"></a> -<span class="sourceLineNo">2832</span> }<a name="line.2832"></a> -<span class="sourceLineNo">2833</span><a name="line.2833"></a> -<span class="sourceLineNo">2834</span> /**<a name="line.2834"></a> -<span class="sourceLineNo">2835</span> * Set up correct timestamps in the KVs in Delete object.<a name="line.2835"></a> -<span class="sourceLineNo">2836</span> * <p>Caller should have the row and region locks.<a name="line.2836"></a> -<span class="sourceLineNo">2837</span> * @param mutation<a name="line.2837"></a> -<span class="sourceLineNo">2838</span> * @param familyMap<a name="line.2838"></a> -<span class="sourceLineNo">2839</span> * @param byteNow<a name="line.2839"></a> -<span class="sourceLineNo">2840</span> * @throws IOException<a name="line.2840"></a> -<span class="sourceLineNo">2841</span> */<a name="line.2841"></a> -<span class="sourceLineNo">2842</span> public void prepareDeleteTimestamps(Mutation mutation, Map<byte[], List<Cell>> familyMap,<a name="line.2842"></a> -<span class="sourceLineNo">2843</span> byte[] byteNow) throws IOException {<a name="line.2843"></a> -<span class="sourceLineNo">2844</span> for (Map.Entry<byte[], List<Cell>> e : familyMap.entrySet()) {<a name="line.2844"></a> -<span class="sourceLineNo">2845</span><a name="line.2845"></a> -<span class="sourceLineNo">2846</span> byte[] family = e.getKey();<a name="line.2846"></a> -<span class="sourceLineNo">2847</span> List<Cell> cells = e.getValue();<a name="line.2847"></a> -<span class="sourceLineNo">2848</span> assert cells instanceof RandomAccess;<a name="line.2848"></a> -<span class="sourceLineNo">2849</span><a name="line.2849"></a> -<span class="sourceLineNo">2850</span> Map<byte[], Integer> kvCount = new TreeMap<>(Bytes.BYTES_COMPARATOR);<a name="line.2850"></a> -<span class="sourceLineNo">2851</span> int listSize = cells.size();<a name="line.2851"></a> -<span class="sourceLineNo">2852</span> for (int i=0; i < listSize; i++) {<a name="line.2852"></a> -<span class="sourceLineNo">2853</span> Cell cell = cells.get(i);<a name="line.2853"></a> -<span class="sourceLineNo">2854</span> // Check if time is LATEST, change to time of most recent addition if so<a name="line.2854"></a> -<span class="sourceLineNo">2855</span> // This is expensive.<a name="line.2855"></a> -<span class="sourceLineNo">2856</span> if (cell.getTimestamp() == HConstants.LATEST_TIMESTAMP<a name="line.2856"></a> -<span class="sourceLineNo">2857</span> && PrivateCellUtil.isDeleteType(cell)) {<a name="line.2857"></a> -<span class="sourceLineNo">2858</span> byte[] qual = CellUtil.cloneQualifier(cell);<a name="line.2858"></a> -<span class="sourceLineNo">2859</span><a name="line.2859"></a> -<span class="sourceLineNo">2860</span> Integer count = kvCount.get(qual);<a name="line.2860"></a> -<span class="sourceLineNo">2861</span> if (count == null) {<a name="line.2861"></a> -<span class="sourceLineNo">2862</span> kvCount.put(qual, 1);<a name="line.2862"></a> -<span class="sourceLineNo">2863</span> } else {<a name="line.2863"></a> -<span class="sourceLineNo">2864</span> kvCount.put(qual, count + 1);<a name="line.2864"></a> -<span class="sourceLineNo">2865</span> }<a name="line.2865"></a> -<span class="sourceLineNo">2866</span> count = kvCount.get(qual);<a name="line.2866"></a> -<span class="sourceLineNo">2867</span><a name="line.2867"></a> -<span class="sourceLineNo">2868</span> Get get = new Get(CellUtil.cloneRow(cell));<a name="line.2868"></a> -<span class="sourceLineNo">2869</span> get.setMaxVersions(count);<a name="line.2869"></a> -<span class="sourceLineNo">2870</span> get.addColumn(family, qual);<a name="line.2870"></a> -<span class="sourceLineNo">2871</span> if (coprocessorHost != null) {<a name="line.2871"></a> -<span class="sourceLineNo">2872</span> if (!coprocessorHost.prePrepareTimeStampForDeleteVersion(mutation, cell,<a name="line.2872"></a> -<span class="sourceLineNo">2873</span> byteNow, get)) {<a name="line.2873"></a> -<span class="sourceLineNo">2874</span> updateDeleteLatestVersionTimeStamp(cell, get, count, byteNow);<a name="line.2874"></a> -<span class="sourceLineNo">2875</span> }<a name="line.2875"></a> -<span class="sourceLineNo">2876</span> } else {<a name="line.2876"></a> -<span class="sourceLineNo">2877</span> updateDeleteLatestVersionTimeStamp(cell, get, count, byteNow);<a name="line.2877"></a> -<span class="sourceLineNo">2878</span> }<a name="line.2878"></a> -<span class="sourceLineNo">2879</span> } else {<a name="line.2879"></a> -<span class="sourceLineNo">2880</span> PrivateCellUtil.updateLatestStamp(cell, byteNow, 0);<a name="line.2880"></a> -<span class="sourceLineNo">2881</span> }<a name="line.2881"></a> -<span class="sourceLineNo">2882</span> }<a name="line.2882"></a> -<span class="sourceLineNo">2883</span> }<a name="line.2883"></a> -<span class="sourceLineNo">2884</span> }<a name="line.2884"></a> -<span class="sourceLineNo">2885</span><a name="line.2885"></a> -<span class="sourceLineNo">2886</span> void updateDeleteLatestVersionTimeStamp(Cell cell, Get get, int count, byte[] byteNow)<a name="line.2886"></a> -<span class="sourceLineNo">2887</span> throws IOException {<a name="line.2887"></a> -<span class="sourceLineNo">2888</span> List<Cell> result = get(get, false);<a name="line.2888"></a> -<span class="sourceLineNo">2889</span><a name="line.2889"></a> -<span class="sourceLineNo">2890</span> if (result.size() < count) {<a name="line.2890"></a> -<span class="sourceLineNo">2891</span> // Nothing to delete<a name="line.2891"></a> -<span class="sourceLineNo">2892</span> PrivateCellUtil.updateLatestStamp(cell, byteNow, 0);<a name="line.2892"></a> -<span class="sourceLineNo">2893</span> return;<a name="line.2893"></a> -<span class="sourceLineNo">2894</span> }<a name="line.2894"></a> -<span class="sourceLineNo">2895</span> if (result.size() > count) {<a name="line.2895"></a> -<span class="sourceLineNo">2896</span> throw new RuntimeException("Unexpected size: " + result.size());<a name="line.2896"></a> -<span class="sourceLineNo">2897</span> }<a name="line.2897"></a> -<span class="sourceLineNo">2898</span> Cell getCell = result.get(count - 1);<a name="line.2898"></a> -<span class="sourceLineNo">2899</span> PrivateCellUtil.setTimestamp(cell, getCell.getTimestamp());<a name="line.2899"></a> -<span class="sourceLineNo">2900</span> }<a name="line.2900"></a> -<span class="sourceLineNo">2901</span><a name="line.2901"></a> -<span class="sourceLineNo">2902</span> @Override<a name="line.2902"></a> -<span class="sourceLineNo">2903</span> public void put(Put put) throws IOException {<a name="line.2903"></a> -<span class="sourceLineNo">2904</span> checkReadOnly();<a name="line.2904"></a> -<span class="sourceLineNo">2905</span><a name="line.2905"></a> -<span class="sourceLineNo">2906</span> // Do a rough check that we have resources to accept a write. The check is<a name="line.2906"></a> -<span class="sourceLineNo">2907</span> // 'rough' in that between the resource check and the call to obtain a<a name="line.2907"></a> -<span class="sourceLineNo">2908</span> // read lock, resources may run out. For now, the thought is that this<a name="line.2908"></a> -<span class="sourceLineNo">2909</span> // will be extremely rare; we'll deal with it when it happens.<a name="line.2909"></a> -<span class="sourceLineNo">2910</span> checkResources();<a name="line.2910"></a> -<span class="sourceLineNo">2911</span> startRegionOperation(Operation.PUT);<a name="line.2911"></a> -<span class="sourceLineNo">2912</span> try {<a name="line.2912"></a> -<span class="sourceLineNo">2913</span> // All edits for the given row (across all column families) must happen atomically.<a name="line.2913"></a> -<span class="sourceLineNo">2914</span> doBatchMutate(put);<a name="line.2914"></a> -<span class="sourceLineNo">2915</span> } finally {<a name="line.2915"></a> -<span class="sourceLineNo">2916</span> closeRegionOperation(Operation.PUT);<a name="line.2916"></a> -<span class="sourceLineNo">2917</span> }<a name="line.2917"></a> -<span class="sourceLineNo">2918</span> }<a name="line.2918"></a> -<span class="sourceLineNo">2919</span><a name="line.2919"></a> -<span class="sourceLineNo">2920</span> /**<a name="line.2920"></a> -<span class="sourceLineNo">2921</span> * Class that tracks the progress of a batch operations, accumulating status codes and tracking<a name="line.2921"></a> -<span class="sourceLineNo">2922</span> * the index at which processing is proceeding. These batch operations may get split into<a name="line.2922"></a> -<span class="sourceLineNo">2923</span> * mini-batches for processing.<a name="line.2923"></a> -<span class="sourceLineNo">2924</span> */<a name="line.2924"></a> -<span class="sourceLineNo">2925</span> private abstract static class BatchOperation<T> {<a name="line.2925"></a> -<span class="sourceLineNo">2926</span> protected final T[] operations;<a name="line.2926"></a> -<span class="sourceLineNo">2927</span> protected final OperationStatus[] retCodeDetails;<a name="line.2927"></a> -<span class="sourceLineNo">2928</span> protected final WALEdit[] walEditsFromCoprocessors;<a name="line.2928"></a> -<span class="sourceLineNo">2929</span> // reference family cell maps directly so coprocessors can mutate them if desired<a name="line.2929"></a> -<span class="sourceLineNo">2930</span> protected final Map<byte[], List<Cell>>[] familyCellMaps;<a name="line.2930"></a> -<span class="sourceLineNo">2931</span><a name="line.2931"></a> -<span class="sourceLineNo">2932</span> protected final HRegion region;<a name="line.2932"></a> -<span class="sourceLineNo">2933</span> protected int nextIndexToProcess = 0;<a name="line.2933"></a> -<span class="sourceLineNo">2934</span> protected final ObservedExceptionsInBatch observedExceptions;<a name="line.2934"></a> -<span class="sourceLineNo">2935</span> //Durability of the batch (highest durability of all operations)<a name="line.2935"></a> -<span class="sourceLineNo">2936</span> protected Durability durability;<a name="line.2936"></a> -<span class="sourceLineNo">2937</span> protected boolean atomic = false;<a name="line.2937"></a> -<span class="sourceLineNo">2938</span><a name="line.2938"></a> -<span class="sourceLineNo">2939</span> public BatchOperation(final HRegion region, T[] operations) {<a name="line.2939"></a> -<span class="sourceLineNo">2940</span> this.operations = operations;<a name="line.2940"></a> -<span class="sourceLineNo">2941</span> this.retCodeDetails = new OperationStatus[operations.length];<a name="line.2941"></a> -<span class="sourceLineNo">2942</span> Arrays.fill(this.retCodeDetails, OperationStatus.NOT_RUN);<a name="line.2942"></a> -<span class="sourceLineNo">2943</span> this.walEditsFromCoprocessors = new WALEdit[operations.length];<a name="line.2943"></a> -<span class="sourceLineNo">2944</span> familyCellMaps = new Map[operations.length];<a name="line.2944"></a> -<span class="sourceLineNo">2945</span><a name="line.2945"></a> -<span class="sourceLineNo">2946</span> this.region = region;<a name="line.2946"></a> -<span class="sourceLineNo">2947</span> observedExceptions = new ObservedExceptionsInBatch();<a name="line.2947"></a> -<span class="sourceLineNo">2948</span> durability = Durability.USE_DEFAULT;<a name="line.2948"></a> -<span class="sourceLineNo">2949</span> }<a name="line.2949"></a> -<span class="sourceLineNo">2950</span><a name="line.2950"></a> -<span class="sourceLineNo">2951</span> /**<a name="line.2951"></a> -<span class="sourceLineNo">2952</span> * Visitor interface for batch operations<a name="line.2952"></a> -<span class="sourceLineNo">2953</span> */<a name="line.2953"></a> -<span class="sourceLineNo">2954</span> @FunctionalInterface<a name="line.2954"></a> -<span class="sourceLineNo">2955</span> public interface Visitor {<a name="line.2955"></a> -<span class="sourceLineNo">2956</span> /**<a name="line.2956"></a> -<span class="sourceLineNo">2957</span> * @param index operation index<a name="line.2957"></a> -<span class="sourceLineNo">2958</span> * @return If true continue visiting remaining entries, break otherwise<a name="line.2958"></a> -<span class="sourceLineNo">2959</span> */<a name="line.2959"></a> -<span class="sourceLineNo">2960</span> boolean visit(int index) throws IOException;<a name="line.2960"></a> -<span class="sourceLineNo">2961</span> }<a name="line.2961"></a> -<span class="sourceLineNo">2962</span><a name="line.2962"></a> -<span class="sourceLineNo">2963</span> /**<a name="line.2963"></a> -<span class="sourceLineNo">2964</span> * Helper method for visiting pending/ all batch operations<a name="line.2964"></a> -<span class="sourceLineNo">2965</span> */<a name="line.2965"></a> -<span class="sourceLineNo">2966</span> public void visitBatchOperations(boolean pendingOnly, int lastIndexExclusive, Visitor visitor)<a name="line.2966"></a> -<span class="sourceLineNo">2967</span> throws IOException {<a name="line.2967"></a> -<span class="sourceLineNo">2968</span> assert lastIndexExclusive <= this.size();<a name="line.2968"></a> -<span class="sourceLineNo">2969</span> for (int i = nextIndexToProcess; i < lastIndexExclusive; i++) {<a name="line.2969"></a> -<span class="sourceLineNo">2970</span> if (!pendingOnly || isOperationPending(i)) {<a name="line.2970"></a> -<span class="sourceLineNo">2971</span> if (!visitor.visit(i)) {<a name="line.2971"></a> -<span class="sourceLineNo">2972</span> break;<a name="line.2972"></a> -<span class="sourceLineNo">2973</span> }<a name="line.2973"></a> -<span class="sourceLineNo">2974</span> }<a name="line.2974"></a> -<span class="sourceLineNo">2975</span> }<a name="line.2975"></a> -<span class="sourceLineNo">2976</span> }<a name="line.2976"></a> -<span class="sourceLineNo">2977</span><a name="line.2977"></a> -<span class="sourceLineNo">2978</span> public abstract Mutation getMutation(int index);<a name="line.2978"></a> -<span class="sourceLineNo">2979</span> public abstract long getNonceGroup(int index);<a name="line.2979"></a> -<span class="sourceLineNo">2980</span> public abstract long getNonce(int index);<a name="line.2980"></a> -<span class="sourceLineNo">2981</span> /** This method is potentially expensive and useful mostly for non-replay CP path. */<a name="line.2981"></a> -<span class="sourceLineNo">2982</span> public abstract Mutation[] getMutationsForCoprocs();<a name="line.2982"></a> -<span class="sourceLineNo">2983</span> public abstract boolean isInReplay();<a name="line.2983"></a> -<span class="sourceLineNo">2984</span> public abstract long getOrigLogSeqNum();<a name="line.2984"></a> -<span class="sourceLineNo">2985</span> public abstract void startRegionOperation() throws IOException;<a name="line.2985"></a> -<span class="sourceLineNo">2986</span> public abstract void closeRegionOperation() throws IOException;<a name="line.2986"></a> -<span class="sourceLineNo">2987</span><a name="line.2987"></a> -<span class="sourceLineNo">2988</span> /**<a name="line.2988"></a> -<span class="sourceLineNo">2989</span> * Validates each mutation and prepares a batch for write. If necessary (non-replay case), runs<a name="line.2989"></a> -<span class="sourceLineNo">2990</span> * CP prePut()/ preDelete() hooks for all mutations in a batch. This is intended to operate on<a name="line.2990"></a> -<span class="sourceLineNo">2991</span> * entire batch and will be called from outside of class to check and prepare batch. This can<a name="line.2991"></a> -<span class="sourceLineNo">2992</span> * be implemented by calling helper method {@link #checkAndPrepareMutation(int, long)} in a<a name="line.2992"></a> -<span class="sourceLineNo">2993</span> * 'for' loop over mutations.<a name="line.2993"></a> -<span class="sourceLineNo">2994</span> */<a name="line.2994"></a> -<span class="sourceLineNo">2995</span> public abstract void checkAndPrepare() throws IOException;<a name="line.2995"></a> -<span class="sourceLineNo">2996</span><a name="line.2996"></a> -<span class="sourceLineNo">2997</span> /**<a name="line.2997"></a> -<span class="sourceLineNo">2998</span> * Implement any Put request specific check and prepare logic here. Please refer to<a name="line.2998"></a> -<span class="sourceLineNo">2999</span> * {@link #checkAndPrepareMutation(Mutation, long)} for how its used.<a name="line.2999"></a> -<span class="sourceLineNo">3000</span> */<a name="line.3000"></a> -<span class="sourceLineNo">3001</span> protected abstract void checkAndPreparePut(final Put p) throws IOException;<a name="line.3001"></a> -<span class="sourceLineNo">3002</span><a name="line.3002"></a> -<span class="sourceLineNo">3003</span> /**<a name="line.3003"></a> -<span class="sourceLineNo">3004</span> * If necessary, calls preBatchMutate() CP hook for a mini-batch and updates metrics, cell<a name="line.3004"></a> -<span class="sourceLineNo">3005</span> * count, tags and timestamp for all cells of all operations in a mini-batch.<a name="line.3005"></a> -<span class="sourceLineNo">3006</span> */<a name="line.3006"></a> -<span class="sourceLineNo">3007</span> public abstract void prepareMiniBatchOperations(MiniBatchOperationInProgress<Mutation><a name="line.3007"></a> -<span class="sourceLineNo">3008</span> miniBatchOp, long timestamp, final List<RowLock> acquiredRowLocks) throws IOException;<a name="line.3008"></a> -<span class="sourceLineNo">3009</span><a name="line.3009"></a> -<span class="sourceLineNo">3010</span> /**<a name="line.3010"></a> -<span class="sourceLineNo">3011</span> * Write mini-batch operations to MemStore<a name="line.3011"></a> -<span class="sourceLineNo">3012</span> */<a name="line.3012"></a> -<span class="sourceLineNo">3013</span> public abstract WriteEntry writeMiniBatchOperationsToMemStore(<a name="line.3013"></a> -<span class="sourceLineNo">3014</span> final MiniBatchOperationInProgress<Mutation> miniBatchOp, final WriteEntry writeEntry)<a name="line.3014"></a> -<span class="sourceLineNo">3015</span> throws IOException;<a name="line.3015"></a> -<span class="sourceLineNo">3016</span><a name="line.3016"></a> -<span class="sourceLineNo">3017</span> protected void writeMiniBatchOperationsToMemStore(<a name="line.3017"></a> -<span class="sourceLineNo">3018</span> final MiniBatchOperationInProgress<Mutation> miniBatchOp, final long writeNumber)<a name="line.3018"></a> -<span class="sourceLineNo">3019</span> throws IOException {<a name="line.3019"></a> -<span class="sourceLineNo">3020</span> MemStoreSizing memStoreAccounting = new MemStoreSizing();<a name="line.3020"></a> -<span class="sourceLineNo">3021</span> visitBatchOperations(true, miniBatchOp.getLastIndexExclusive(), (int index) -> {<a name="line.3021"></a> -<span class="sourceLineNo">3022</span> // We need to update the sequence id for following reasons.<a name="line.3022"></a> -<span class="sourceLineNo">3023</span> // 1) If the op is in replay mode, FSWALEntry#stampRegionSequenceId won't stamp sequence id.<a name="line.3023"></a> -<span class="sourceLineNo">3024</span> // 2) If no WAL, FSWALEntry won't be used<a name="line.3024"></a> -<span class="sourceLineNo">3025</span> // we use durability of the original mutation for the mutation passed by CP.<a name="line.3025"></a> -<span class="sourceLineNo">3026</span> if (isInReplay() || getMutation(index).getDurability() == Durability.SKIP_WAL) {<a name="line.3026"></a> -<span class="sourceLineNo">3027</span> region.updateSequenceId(familyCellMaps[index].values(), writeNumber);<a name="line.3027"></a> -<span class="sourceLineNo">3028</span> }<a name="line.3028"></a> -<span class="sourceLineNo">3029</span> applyFamilyMapToMemStore(familyCellMaps[index], memStoreAccounting);<a name="line.3029"></a> -<span class="sourceLineNo">3030</span> return true;<a name="line.3030"></a> -<span class="sourceLineNo">3031</span> });<a name="line.3031"></a> -<span class="sourceLineNo">3032</span> // update memStore size<a name="line.3032"></a> -<span class="sourceLineNo">3033</span> region.addAndGetMemStoreSize(memStoreAccounting);<a name="line.3033"></a> -<span class="sourceLineNo">3034</span> }<a name="line.3034"></a> -<span class="sourceLineNo">3035</span><a name="line.3035"></a> -<span class="sourceLineNo">3036</span> public boolean isDone() {<a name="line.3036"></a> -<span class="sourceLineNo">3037</span> return nextIndexToProcess == operations.length;<a name="line.3037"></a> -<span class="sourceLineNo">3038</span> }<a name="line.3038"></a> -<span class="sourceLineNo">3039</span><a name="line.3039"></a> -<span class="sourceLineNo">3040</span> public int size() {<a name="line.3040"></a> -<span class="sourceLineNo">3041</span> return operations.length;<a name="line.3041"></a> -<span class="sourceLineNo">3042</span> }<a name="line.3042"></a> -<span class="sourceLineNo">3043</span><a name="line.3043"></a> -<span class="sourceLineNo">3044</span> public boolean isOperationPending(int index) {<a name="line.3044"></a> -<span class="sourceLineNo">3045</span> return retCodeDetails[index].getOperationStatusCode() == OperationStatusCode.NOT_RUN;<a name="line.3045"></a> -<span class="sourceLineNo">3046</span> }<a name="line.3046"></a> -<span class="sourceLineNo">3047</span><a name="line.3047"></a> -<span class="sourceLineNo">3048</span> public List<UUID> getClusterIds() {<a name="line.3048"></a> -<span class="sourceLineNo">3049</span> assert size() != 0;<a name="line.3049"></a> -<span class="sourceLineNo">3050</span> return getMutation(0).getClusterIds();<a name="line.3050"></a> -<span class="sourceLineNo">3051</span> }<a name="line.3051"></a> -<span class="sourceLineNo">3052</span><a name="line.3052"></a> -<span class="sourceLineNo">3053</span> boolean isAtomic() {<a name="line.3053"></a> -<span class="sourceLineNo">3054</span> return atomic;<a name="line.3054"></a> -<span class="sourceLineNo">3055</span> }<a name="line.3055"></a> -<span class="sourceLineNo">3056</span><a name="line.3056"></a> -<span class="sourceLineNo">3057</span> /**<a name="line.3057"></a> -<span class="sourceLineNo">3058</span> * Helper method that checks and prepares only one mutation. This can be used to implement<a name="line.3058"></a> -<span class="sourceLineNo">3059</span> * {@link #checkAndPrepare()} for entire Batch.<a name="line.3059"></a> -<span class="sourceLineNo">3060</span> * NOTE: As CP prePut()/ preDelete() hooks may modify mutations, this method should be called<a name="line.3060"></a> -<span class="sourceLineNo">3061</span> * after prePut()/ preDelete() CP hooks are run for the mutation<a name="line.3061"></a> -<span class="sourceLineNo">3062</span> */<a name="line.3062"></a> -<span class="sourceLineNo">3063</span> protected void checkAndPrepareMutation(Mutation mutation, final long timestamp)<a name="line.3063"></a> -<span class="sourceLineNo">3064</span> throws IOException {<a name="line.3064"></a> -<span class="sourceLineNo">3065</span> region.checkRow(mutation.getRow(), "batchMutate");<a name="line.3065"></a> -<span class="sourceLineNo">3066</span> if (mutation instanceof Put) {<a name="line.3066"></a> -<span class="sourceLineNo">3067</span> // Check the families in the put. If bad, skip this one.<a name="line.3067"></a> -<span class="sourceLineNo">3068</span> checkAndPreparePut((Put) mutation);<a name="line.3068"></a> -<span class="sourceLineNo">3069</span> region.checkTimestamps(mutation.getFamilyCellMap(), timestamp);<a name="line.3069"></a> -<span class="sourceLineNo">3070</span> } else {<a name="line.3070"></a> -<span class="sourceLineNo">3071</span> region.prepareDelete((Delete) mutation);<a name="line.3071"></a> -<span class="sourceLineNo">3072</span> }<a name="line.3072"></a> -<span class="sourceLineNo">3073</span> }<a name="line.3073"></a> -<span class="sourceLineNo">3074</span><a name="line.3074"></a> -<span class="sourceLineNo">3075</span> protected void checkAndPrepareMutation(int index, long timestamp) throws IOException {<a name="line.3075"></a> -<span class="sourceLineNo">3076</span> Mutation mutation = getMutation(index);<a name="line.3076"></a> -<span class="sourceLineNo">3077</span> try {<a name="line.3077"></a> -<span class="sourceLineNo">3078</span> this.checkAndPrepareMutation(mutation, timestamp);<a name="line.3078"></a> -<span class="sourceLineNo">3079</span><a name="line.3079"></a> -<span class="sourceLineNo">3080</span> // store the family map reference to allow for mutations<a name="line.3080"></a> -<span class="sourceLineNo">3081</span> familyCellMaps[index] = mutation.getFamilyCellMap();<a name="line.3081"></a> -<span class="sourceLineNo">3082</span> // store durability for the batch (highest durability of all operations in the batch)<a name="line.3082"></a> -<span class="sourceLineNo">3083</span> Durability tmpDur = region.getEffectiveDurability(mutation.getDurability());<a name="line.3083"></a> -<span class="sourceLineNo">3084</span> if (tmpDur.ordinal() > durability.ordinal()) {<a name="line.3084"></a> -<span class="sourceLineNo">3085</span> durability = tmpDur;<a name="line.3085"></a> -<span class="sourceLineNo">3086</span> }<a name="line.3086"></a> -<span class="sourceLineNo">3087</span> } catch (NoSuchColumnFamilyException nscfe) {<a name="line.3087"></a> -<span class="sourceLineNo">3088</span> final String msg = "No such column family in batch mutation. ";<a name="line.3088"></a> -<span class="sourceLineNo">3089</span> if (observedExceptions.hasSeenNoSuchFamily()) {<a name="line.3089"></a> -<span class="sourceLineNo">3090</span> LOG.warn(msg + nscfe.getMessage());<a name="line.3090"></a> -<span class="sourceLineNo">3091</span> } else {<a name="line.3091"></a> -<span class="sourceLineNo">3092</span> LOG.warn(msg, nscfe);<a name="line.3092"></a> -<span class="sourceLineNo">3093</span> observedExceptions.sawNoSuchFamily();<a name="line.3093"></a> -<span class="sourceLineNo">3094</span> }<a name="line.3094"></a> -<span class="sourceLineNo">3095</span> retCodeDetails[index] = new OperationStatus(<a name="line.3095"></a> -<span class="sourceLineNo">3096</span> OperationStatusCode.BAD_FAMILY, nscfe.getMessage());<a name="line.3096"></a> -<span class="sourceLineNo">3097</span> if (isAtomic()) { // fail, atomic means all or none<a name="line.3097"></a> -<span class="sourceLineNo">3098</span> throw nscfe;<a name="line.3098"></a> -<span class="sourceLineNo">3099</span> }<a name="line.3099"></a> -<span class="sourceLineNo">3100</span> } catch (FailedSanityCheckException fsce) {<a name="line.3100"></a> -<span class="sourceLineNo">3101</span> final String msg = "Batch Mutation did not pass sanity check. ";<a name="line.3101"></a> -<span class="sourceLineNo">3102</span> if (observedExceptions.hasSeenFailedSanityCheck()) {<a name="line.3102"></a> -<span class="sourceLineNo">3103</span> LOG.warn(msg + fsce.getMessage());<a name="line.3103"></a> -<span class="sourceLineNo">3104</span> } else {<a name="line.3104"></a> -<span class="sourceLineNo">3105</span> LOG.warn(msg, fsce);<a name="line.3105"></a> -<span class="sourceLineNo">3106</span> observedExceptions.sawFailedSanityCheck();<a name="line.3106"></a> -<span class="sourceLineNo">3107</span> }<a name="line.3107"></a> -<span class="sourceLineNo">3108</span> retCodeDetails[index] = new OperationStatus(<a name="line.3108"></a> -<span class="sourceLineNo">3109</span> OperationStatusCode.SANITY_CHECK_FAILURE, fsce.getMessage());<a name="line.3109"></a> -<span class="sourceLineNo">3110</span> if (isAtomic()) {<a name="line.3110"></a> -<span class="sourceLineNo">3111</span> throw fsce;<a name="line.3111"></a> -<span class="sourceLineNo">3112</span> }<a name="line.3112"></a> -<span class="sourceLineNo">3113</span> } catch (WrongRegionException we) {<a name="line.3113"></a> -<span class="sourceLineNo">3114</span> final String msg = "Batch mutation had a row that does not belong to this region. ";<a name="line.3114"></a> -<span class="sourceLineNo">3115</span> if (observedExceptions.hasSeenWrongRegion()) {<a name="line.3115"></a> -<span class="sourceLineNo">3116</span> LOG.warn(msg + we.getMessage());<a name="line.3116"></a> -<span class="sourceLineNo">3117</span> } else {<a name="line.3117"></a> -<span class="sourceLineNo">3118</span> LOG.warn(msg, we);<a name="line.3118"></a> -<span class="sourceLineNo">3119</span> observedExceptions.sawWrongRegion();<a name="line.3119"></a> -<span class="sourceLineNo">3120</span> }<a name="line.3120"></a> -<span class="sourceLineNo">3121</span> retCodeDetails[index] = new OperationStatus(<a name="line.3121"></a> -<span class="sourceLineNo">3122</span> OperationStatusCode.SANITY_CHECK_FAILURE, we.getMessage());<a name="line.3122"></a> -<span class="sourceLineNo">3123</span> if (isAtomic()) {<a name="line.3123"></a> -<span class="sourceLineNo">3124</span> throw we;<a name="line.3124"></a> -<span class="sourceLineNo">3125</span> }<a name="line.3125"></a> -<span class="sourceLineNo">3126</span> }<a name="line.3126"></a> -<span class="sourceLineNo">3127</span> }<a name="line.3127"></a> -<span class="sourceLineNo">3128</span><a name="line.3128"></a> -<span class="sourceLineNo">3129</span> /**<a name="line.3129"></a> -<span class="sourceLineNo">3130</span> * Creates Mini-batch of all operations [nextIndexToProcess, lastIndexExclusive) for which<a name="line.3130"></a> -<span class="sourceLineNo">3131</span> * a row lock can be acquired. All mutations with locked rows are considered to be<a name="line.3131"></a> -<span class="sourceLineNo">3132</span> * In-progress operations and hence the name {@link MiniBatchOperationInProgress}. Mini batch<a name="line.3132"></a> -<span class="sourceLineNo">3133</span> * is window over {@link BatchOperation} and contains contiguous pending operations.<a name="line.3133"></a> -<span class="sourceLineNo">3134</span> *<a name="line.3134"></a> -<span class="sourceLineNo">3135</span> * @param acquiredRowLocks keeps track of rowLocks acquired.<a name="line.3135"></a> -<span class="sourceLineNo">3136</span> */<a name="line.3136"></a> -<span class="sourceLineNo">3137</span> public MiniBatchOperationInProgress<Mutation> lockRowsAndBuildMiniBatch(<a name="line.3137"></a> -<span class="sourceLineNo">3138</span> List<RowLock> acquiredRowLocks) throws IOException {<a name="line.3138"></a> -<span class="sourceLineNo">3139</span> int readyToWriteCount = 0;<a name="line.3139"></a> -<span class="sourceLineNo">3140</span> int lastIndexExclusive = 0;<a name="line.3140"></a> -<span class="sourceLineNo">3141</span> for (; lastIndexExclusive < size(); lastIndexExclusive++) {<a name="line.3141"></a> -<span class="sourceLineNo">3142</span> if (!isOperationPending(lastIndexExclusive)) {<a name="line.3142"></a> -<span class="sourceLineNo">3143</span> continue;<a name="line.3143"></a> -<span class="sourceLineNo">3144</span> }<a name="line.3144"></a> -<span class="sourceLineNo">3145</span> Mutation mutation = getMutation(lastIndexExclusive);<a name="line.3145"></a> -<span class="sourceLineNo">3146</span> // If we haven't got any rows in our batch, we should block to get the next one.<a name="line.3146"></a> -<span class="sourceLineNo">3147</span> RowLock rowLock = null;<a name="line.3147"></a> -<span class="sourceLineNo">3148</span> try {<a name="line.3148"></a> -<span class="sourceLineNo">3149</span> // if atomic then get exclusive lock, else shared lock<a name="line.3149"></a> -<span class="sourceLineNo">3150</span> rowLock = region.getRowLockInternal(mutation.getRow(), !isAtomic());<a name="line.3150"></a> -<span class="sourceLineNo">3151</span> } catch (TimeoutIOException e) {<a name="line.3151"></a> -<span class="sourceLineNo">3152</span> // We will retry when other exceptions, but we should stop if we timeout .<a name="line.3152"></a> -<span class="sourceLineNo">3153</span> throw e;<a name="line.3153"></a> -<span class="sourceLineNo">3154</span> } catch (IOException ioe) {<a name="line.3154"></a> -<span class="sourceLineNo">3155</span> LOG.warn("Failed getting lock, row=" + Bytes.toStringBinary(mutation.getRow()), ioe);<a name="line.3155"></a> -<span class="sourceLineNo">3156</span> if (isAtomic()) { // fail, atomic means all or none<a name="line.3156"></a> -<span class="sourceLineNo">3157</span> throw ioe;<a name="line.3157"></a> -<span class="sourceLineNo">3158</span> }<a name="line.3158"></a> -<span class="sourceLineNo">3159</span> }<a name="line.3159"></a> -<span class="sourceLineNo">3160</span> if (rowLock == null) {<a name="line.3160"></a> -<span class="sourceLineNo">3161</span> // We failed to grab another lock<a name="line.3161"></a> -<span class="sourceLineNo">3162</span> if (isAtomic()) {<a name="line.3162"></a> -<span class="sourceLineNo">3163</span> throw new IOException("Can't apply all operations atomically!");<a name="line.3163"></a> -<span class="sourceLineNo">3164</span> }<a name="line.3164"></a> -<span class="sourceLineNo">3165</span> break; // Stop acquiring more rows for this batch<a name="line.3165"></a> -<span class="sourceLineNo">3166</span> } else {<a name="line.3166"></a> -<span class="sourceLineNo">3167</span> acquiredRowLocks.add(rowLock);<a name="line.3167"></a> -<span class="sourceLineNo">3168</span> }<a name="line.3168"></a> -<span class="sourceLineNo">3169</span> readyToWriteCount++;<a name="line.3169"></a> -<span class="sourceLineNo">3170</span> }<a name="line.3170"></a> -<span class="sourceLineNo">3171</span> return createMiniBatch(lastIndexExclusive, readyToWriteCount);<a name="line.3171"></a> -<span class="sourceLineNo">3172</span> }<a name="line.3172"></a> -<span class="sourceLineNo">3173</span><a name="line.3173"></a> -<span class="sourceLineNo">3174</span> protected MiniBatchOperationInProgress<Mutation> createMiniBatch(final int lastIndexExclusive,<a name="line.3174"></a> -<span class="sourceLineNo">3175</span> final int readyToWriteCount) {<a name="line.3175"></a> -<span class="sourceLineNo">3176</span> return new MiniBatchOperationInProgress<>(getMutationsForCoprocs(), retCodeDetails,<a name="line.3176"></a> -<span class="sourceLineNo">3177</span> walEditsFromCoprocessors, nextIndexToProcess, lastIndexExclusive, readyToWriteCount);<a name="line.3177"></a> -<span class="sourceLineNo">3178</span> }<a name="line.3178"></a> -<span class="sourceLineNo">3179</span><a name="line.3179"></a> -<span class="sourceLineNo">3180</span> /**<a name="line.3180"></a> -<span class="sourceLineNo">3181</span> * Builds separate WALEdit per nonce by applying input mutations. If WALEdits from CP are<a name="line.3181"></a> -<span class="sourceLineNo">3182</span> * present, they are merged to result WALEdit.<a name="line.3182"></a> -<span class="sourceLineNo">3183</span> */<a name="line.3183"></a> -<span class="sourceLineNo">3184</span> public List<Pair<NonceKey, WALEdit>> buildWALEdits(<a name="line.3184"></a> -<span class="sourceLineNo">3185</span> final MiniBatchOperationInProgress<Mutation> miniBatchOp) throws IOException {<a name="line.3185"></a> -<span class="sourceLineNo">3186</span> List<Pair<NonceKey, WALEdit>> walEdits = new ArrayList<>();<a name="line.3186"></a> -<span class="sourceLineNo">3187</span><a name="line.3187"></a> -<span class="sourceLineNo">3188</span> visitBatchOperations(true, nextIndexToProcess + miniBatchOp.size(), new Visitor() {<a name="line.3188"></a> -<span class="sourceLineNo">3189</span> private Pair<NonceKey, WALEdit> curWALEditForNonce;<a name="line.3189"></a> -<span class="sourceLineNo">3190</span> @Override<a name="line.3190"></a> -<span class="sourceLineNo">3191</span> public boolean visit(int index) throws IOException {<a name="line.3191"></a> -<span class="sourceLineNo">3192</span> Mutation m = getMutation(index);<a name="line.3192"></a> -<span class="sourceLineNo">3193</span> // we use durability of the original mutation for the mutation passed by CP.<a name="line.3193"></a> -<span class="sourceLineNo">3194</span> if (region.getEffectiveDurability(m.getDurability()) == Durability.SKIP_WAL) {<a name="line.3194"></a> -<span class="sourceLineNo">3195</span> region.recordMutationWithoutWal(m.getFamilyCellMap());<a name="line.3195"></a> -<span class="sourceLineNo">3196</span> return true;<a name="line.3196"></a> -<span class="sourceLineNo">3197</span> }<a name="line.3197"></a> -<span class="sourceLineNo">3198</span><a name="line.3198"></a> -<span class="sourceLineNo">3199</span> // the batch may contain multiple nonce keys (replay case). If so, write WALEdit for each.<a name="line.3199"></a> -<span class="sourceLineNo">3200</span> // Given how nonce keys are originally written, these should be contiguous.<a name="line.3200"></a> -<span class="sourceLineNo">3201</span> // They don't have to be, it will still work, just write more WALEdits than needed.<a name="line.3201"></a> -<span class="sourceLineNo">3202</span> long nonceGroup = getNonceGroup(index);<a name="line.3202"></a> -<span class="sourceLineNo">3203</span> long nonce = getNonce(index);<a name="line.3203"></a> -<span class="sourceLineNo">3204</span> if (curWALEditForNonce == null ||<a name="line.3204"></a> -<span class="sourceLineNo">3205</span> curWALEditForNonce.getFirst().getNonceGroup() != nonceGroup ||<a name="line.3205"></a> -<span class="sourceLineNo">3206</span> curWALEditForNonce.getFirst().getNonce() != nonce) {<a name="line.3206"></a> -<span class="sourceLineNo">3207</span> curWALEditForNonce = new Pair<>(new NonceKey(nonceGroup, nonce),<a name="line.3207"></a> -<span class="sourceLineNo">3208</span> new WALEdit(miniBatchOp.getCellCount(), isInReplay()));<a name="line.3208"></a> -<span class="sourceLineNo">3209</span> walEdits.add(curWALEditForNonce);<a name="line.3209"></a> -<span class="sourceLineNo">3210</span> }<a name="line.3210"></a> -<span class="sourceLineNo">3211</span> WALEdit walEdit = curWALEditForNonce.getSecond();<a name="line.3211"></a> -<span class="sourceLineNo">3212</span><a name="line.3212"></a> -<span class="sourceLineNo">3213</span> // Add WAL edits by CP<a name="line.3213"></a> -<span class="sourceLineNo">3214</span> WALEdit fromCP = walEditsFromCoprocessors[index];<a name="line.3214"></a> -<span class="sourceLineNo">3215</span> if (fromCP != null) {<a name="line.3215"></a> -<span class="sourceLineNo">3216</span> for (Cell cell : fromCP.getCells()) {<a name="line.3216"></a> -<span class="sourceLineNo">3217</span> walEdit.add(cell);<a name="line.3217"></a> -<span class="sourceLineNo">3218</span> }<a name="line.3218"></a> -<span class="sourceLineNo">3219</span> }<a name="line.3219"></a> -<span class="sourceLineNo">3220</span> addFamilyMapToWALEdit(familyCellMaps[index], walEdit);<a name="line.3220"></a> -<span class="sourceLineNo">3221</span><a name="line.3221"></a> -<span class="sourceLineNo">3222</span> return true;<a name="line.3222"></a> -<span class="sourceLineNo">3223</span> }<a name="line.3223"></a> -<span class="sourceLineNo">3224</span> });<a name="line.3224"></a> -<span class="sourceLineNo">3225</span> return walEdits;<a name="line.3225"></a> -<span class="sourceLineNo">3226</span> }<a name="line.3226"></a> -<span class="sourceLineNo">3227</span><a name="line.3227"></a> -<span class="sourceLineNo">3228</span> /**<a name="line.3228"></a> -<span class="sourceLineNo">3229</span> * This method completes mini-batch operations by calling postBatchMutate() CP hook (if<a name="line.3229"></a> -<span class="sourceLineNo">3230</span> * required) and completing mvcc.<a name="line.3230"></a> -<span class="sourceLineNo">3231</span> */<a name="line.3231"></a> -<span class="sourceLineNo">3232</span> public void completeMiniBatchOperations(<a name="line.3232"></a> -<span class="sourceLineNo">3233</span> final MiniBatchOperationInProgress<Mutation> miniBatchOp, final WriteEntry writeEntry)<a name="line.3233"></a> -<span class="sourceLineNo">3234</span> throws IOException {<a name="line.3234"></a> -<span class="sourceLineNo">3235</span> if (writeEntry != null) {<a name="line.3235"></a> -<span class="sourceLineNo">3236</span> region.mvcc.completeAndWait(writeEntry);<a name="line.3236"></a> -<span class="sourceLineNo">3237</span> }<a name="line.3237"></a> -<span class="sourceLineNo">3238</span> }<a name="line.3238"></a> -<span class="sourceLineNo">3239</span><a name="line.3239"></a> -<span class="sourceLineNo">3240</span> public void doPostOpCleanupForMiniBatch(<a name="line.3240"></a> -<span class="sourceLineNo">3241</span> final MiniBatchOperationInProgress<Mutation> miniBatchOp, final WALEdit walEdit,<a name="line.3241"></a> -<span class="sourceLineNo">3242</span> boolean success) throws IOException {}<a name="line.3242"></a> -<span class="sourceLineNo">3243</span><a name="line.3243"></a> -<span class="sourceLineNo">3244</span> /**<a name="line.3244"></a> -<span class="sourceLineNo">3245</span> * Atomically apply the given map of family->edits to the memstore.<a name="line.3245"></a> -<span class="sourceLineNo">3246</span> * This handles the consistency control on its own, but the caller<a name="line.3246"></a> -<span class="sourceLineNo">3247</span> * should already have locked updatesLock.readLock(). This also does<a name="line.3247"></a> -<span class="sourceLineNo">3248</span> * <b>not</b> check the families for validity.<a name="line.3248"></a> -<span class="sourceLineNo">3249</span> *<a name="line.3249"></a> -<span class="sourceLineNo">3250</span> * @param familyMap Map of Cells by family<a name="line.3250"></a> -<span class="sourceLineNo">3251</span> */<a name="line.3251"></a> -<span class="sourceLineNo">3252</span> protected void applyFamilyMapToMemStore(Map<byte[], List<Cell>> familyMap,<a name="line.3252"></a> -<span class="sourceLineNo">3253</span> MemStoreSizing memstoreAccounting) throws IOException {<a name="line.3253"></a> -<span class="sourceLineNo">3254</span> for (Map.Entry<byte[], List<Cell>> e : familyMap.entrySet()) {<a name="line.3254"></a> -<span class="sourceLineNo">3255</span> byte[] family = e.getKey();<a name="line.3255"></a> -<span class="sourceLineNo">3256</span> List<Cell> cells = e.getValue();<a name="line.3256"></a> -<span class="sourceLineNo">3257</span> assert cells instanceof RandomAccess;<a name="line.3257"></a> -<span class="sourceLineNo">3258</span> region.applyToMemStore(region.getStore(family), cells, false, memstoreAccounting);<a name="line.3258"></a> -<span class="sourceLineNo">3259</span> }<a name="line.3259"></a> -<span class="sourceLineNo">3260</span> }<a name="line.3260"></a> -<span class="sourceLineNo">3261</span><a name="line.3261"></a> -<span class="sourceLineNo">3262</span> /**<a name="line.3262"></a> -<span class="sourceLineNo">3263</span> * Append the given map of family->edits to a WALEdit data structure.<a name="line.3263"></a> -<span class="sourceLineNo">3264</span> * This does not write to the WAL itself.<a name="line.3264"></a> -<span class="sourceLineNo">3265</span> * @param familyMap map of family->edits<a name="line.3265"></a> -<span class="sourceLineNo">3266</span> * @param walEdit the destination entry to append into<a name="line.3266"></a> -<span class="sourceLineNo">3267</span> */<a name="line.3267"></a> -<span class="sourceLineNo">3268</span> private void addFamilyMapToWALEdit(Map<byte[], List<Cell>> familyMap,<a name="line.3268"></a> -<span class="sourceLineNo">3269</span> WALEdit walEdit) {<a name="line.3269"></a> -<span class="sourceLineNo">3270</span> for (List<Cell> edits : familyMap.values()) {<a name="line.3270"></a> -<span class="sourceLineNo">3271</span> // Optimization: 'foreach' loop is not used. See:<a name="line.3271"></a> -<span class="sourceLineNo">3272</span> // HBASE-12023 HRegion.applyFamilyMapToMemstore creates too many iterator objects<a name="line.3272"></a> -<span class="sourceLineNo">3273</span> assert edits instanceof RandomAccess;<a name="line.3273"></a> -<span class="sourceLineNo">3274</span> int listSize = edits.size();<a name="line.3274"></a> -<span class="sourceLineNo">3275</span> for (int i=0; i < listSize; i++) {<a name="line.3275"></a> -<span class="sourceLineNo">3276</span> Cell cell = edits.get(i);<a name="line.3276"></a> -<span class="sourceLineNo">3277</span> walEdit.add(cell);<a name="line.3277"></a> -<span class="sourceLineNo">3278</span> }<a name="line.3278"></a> -<span class="sourceLineNo">3279</span> }<a name="line.3279"></a> -<span class="sourceLineNo">3280</span> }<a name="line.3280"></a> -<span class="sourceLineNo">3281</span> }<a name="line.3281"></a> -<span class="sourceLineNo">3282</span><a name="line.3282"></a> -<span class="sourceLineNo">3283</span> /**<a name="line.3283"></a> -<span class="sourceLineNo">3284</span> * Batch of mutation operations. Base class is shared with {@link ReplayBatchOperation} as most<a name="line.3284"></a> -<span class="sourceLineNo">3285</span> * of the logic is same.<a name="line.3285"></a> -<span class="sourceLineNo">3286</span> */<a name="line.3286"></a> -<span class="sourceLineNo">3287</span> static class MutationBatchOperation extends BatchOperation<Mutation> {<a name="line.3287"></a> -<span class="sourceLineNo">3288</span> private long nonceGroup;<a name="line.3288"></a> -<span class="sourceLineNo">3289</span> private long nonce;<a name="line.3289"></a> -<span class="sourceLineNo">3290</span> public MutationBatchOperation(final HRegion region, Mutation[] operations, boolean atomic,<a name="line.3290"></a> -<span class="sourceLineNo">3291</span> long nonceGroup, long nonce) {<a name="line.3291"></a> -<span class="sourceLineNo">3292</span> super(region, operations);<a name="line.3292"></a> -<span class="sourceLineNo">3293</span> this.atomic = atomic;<a name="line.3293"></a> -<span class="sourceLineNo">3294</span> this.nonceGroup = nonceGroup;<a name="line.3294"></a> -<span class="sourceLineNo">3295</span> this.nonce = nonce;<a name="line.3295"></a> -<span class="sourceLineNo">3296</span> }<a name="line.3296"></a> -<span class="sourceLineNo">3297</span><a name="line.3297"></a> -<span class="sourceLineNo">3298</span> @Override<a name="line.3298"></a> -<span class="sourceLineNo">3299</span> public Mutation getMutation(int index) {<a name="line.3299"></a> -<span class="sourceLineNo">3300</span> return this.operations[index];<a name="line.3300"></a> -<span class="sourceLineNo">3301</span> }<a name="line.3301"></a> -<span class="sourceLineNo">3302</span><a name="line.3302"></a> -<span class="sourceLineNo">3303</span> @Override<a name="line.3303"></a> -<span class="sourceLineNo">3304</span> public long getNonceGroup(int index) {<a name="line.3304"></a> -<span class="sourceLineNo">3305</span> return nonceGroup;<a name="line.3305"></a> -<span class="sourceLineNo">3306</span> }<a name="line.3306"></a> -<span class="sourc
<TRUNCATED>