http://git-wip-us.apache.org/repos/asf/hbase-site/blob/193b4259/devapidocs/src-html/org/apache/hadoop/hbase/client/AsyncRequestFutureImpl.SingleServerRequestRunnable.html ---------------------------------------------------------------------- diff --git a/devapidocs/src-html/org/apache/hadoop/hbase/client/AsyncRequestFutureImpl.SingleServerRequestRunnable.html b/devapidocs/src-html/org/apache/hadoop/hbase/client/AsyncRequestFutureImpl.SingleServerRequestRunnable.html index 00483be..c27b109 100644 --- a/devapidocs/src-html/org/apache/hadoop/hbase/client/AsyncRequestFutureImpl.SingleServerRequestRunnable.html +++ b/devapidocs/src-html/org/apache/hadoop/hbase/client/AsyncRequestFutureImpl.SingleServerRequestRunnable.html @@ -396,888 +396,887 @@ <span class="sourceLineNo">388</span> new ConcurrentHashMap<CancellableRegionServerCallable, Boolean>());<a name="line.388"></a> <span class="sourceLineNo">389</span> this.asyncProcess = asyncProcess;<a name="line.389"></a> <span class="sourceLineNo">390</span> this.errorsByServer = createServerErrorTracker();<a name="line.390"></a> -<span class="sourceLineNo">391</span> this.errors = (asyncProcess.globalErrors != null)<a name="line.391"></a> -<span class="sourceLineNo">392</span> ? asyncProcess.globalErrors : new BatchErrors();<a name="line.392"></a> -<span class="sourceLineNo">393</span> this.operationTimeout = task.getOperationTimeout();<a name="line.393"></a> -<span class="sourceLineNo">394</span> this.rpcTimeout = task.getRpcTimeout();<a name="line.394"></a> -<span class="sourceLineNo">395</span> this.currentCallable = task.getCallable();<a name="line.395"></a> -<span class="sourceLineNo">396</span> if (task.getCallable() == null) {<a name="line.396"></a> -<span class="sourceLineNo">397</span> tracker = new RetryingTimeTracker().start();<a name="line.397"></a> -<span class="sourceLineNo">398</span> }<a name="line.398"></a> -<span class="sourceLineNo">399</span> }<a name="line.399"></a> -<span class="sourceLineNo">400</span><a name="line.400"></a> -<span class="sourceLineNo">401</span> @VisibleForTesting<a name="line.401"></a> -<span class="sourceLineNo">402</span> protected Set<CancellableRegionServerCallable> getCallsInProgress() {<a name="line.402"></a> -<span class="sourceLineNo">403</span> return callsInProgress;<a name="line.403"></a> -<span class="sourceLineNo">404</span> }<a name="line.404"></a> -<span class="sourceLineNo">405</span><a name="line.405"></a> -<span class="sourceLineNo">406</span> @VisibleForTesting<a name="line.406"></a> -<span class="sourceLineNo">407</span> SingleServerRequestRunnable createSingleServerRequest(MultiAction multiAction, int numAttempt, ServerName server,<a name="line.407"></a> -<span class="sourceLineNo">408</span> Set<CancellableRegionServerCallable> callsInProgress) {<a name="line.408"></a> -<span class="sourceLineNo">409</span> return new SingleServerRequestRunnable(multiAction, numAttempt, server, callsInProgress);<a name="line.409"></a> -<span class="sourceLineNo">410</span> }<a name="line.410"></a> -<span class="sourceLineNo">411</span><a name="line.411"></a> -<span class="sourceLineNo">412</span> /**<a name="line.412"></a> -<span class="sourceLineNo">413</span> * Group a list of actions per region servers, and send them.<a name="line.413"></a> -<span class="sourceLineNo">414</span> *<a name="line.414"></a> -<span class="sourceLineNo">415</span> * @param currentActions - the list of row to submit<a name="line.415"></a> -<span class="sourceLineNo">416</span> * @param numAttempt - the current numAttempt (first attempt is 1)<a name="line.416"></a> -<span class="sourceLineNo">417</span> */<a name="line.417"></a> -<span class="sourceLineNo">418</span> void groupAndSendMultiAction(List<Action> currentActions, int numAttempt) {<a name="line.418"></a> -<span class="sourceLineNo">419</span> Map<ServerName, MultiAction> actionsByServer = new HashMap<>();<a name="line.419"></a> -<span class="sourceLineNo">420</span><a name="line.420"></a> -<span class="sourceLineNo">421</span> boolean isReplica = false;<a name="line.421"></a> -<span class="sourceLineNo">422</span> List<Action> unknownReplicaActions = null;<a name="line.422"></a> -<span class="sourceLineNo">423</span> for (Action action : currentActions) {<a name="line.423"></a> -<span class="sourceLineNo">424</span> RegionLocations locs = findAllLocationsOrFail(action, true);<a name="line.424"></a> -<span class="sourceLineNo">425</span> if (locs == null) continue;<a name="line.425"></a> -<span class="sourceLineNo">426</span> boolean isReplicaAction = !RegionReplicaUtil.isDefaultReplica(action.getReplicaId());<a name="line.426"></a> -<span class="sourceLineNo">427</span> if (isReplica && !isReplicaAction) {<a name="line.427"></a> -<span class="sourceLineNo">428</span> // This is the property of the current implementation, not a requirement.<a name="line.428"></a> -<span class="sourceLineNo">429</span> throw new AssertionError("Replica and non-replica actions in the same retry");<a name="line.429"></a> -<span class="sourceLineNo">430</span> }<a name="line.430"></a> -<span class="sourceLineNo">431</span> isReplica = isReplicaAction;<a name="line.431"></a> -<span class="sourceLineNo">432</span> HRegionLocation loc = locs.getRegionLocation(action.getReplicaId());<a name="line.432"></a> -<span class="sourceLineNo">433</span> if (loc == null || loc.getServerName() == null) {<a name="line.433"></a> -<span class="sourceLineNo">434</span> if (isReplica) {<a name="line.434"></a> -<span class="sourceLineNo">435</span> if (unknownReplicaActions == null) {<a name="line.435"></a> -<span class="sourceLineNo">436</span> unknownReplicaActions = new ArrayList<>(1);<a name="line.436"></a> -<span class="sourceLineNo">437</span> }<a name="line.437"></a> -<span class="sourceLineNo">438</span> unknownReplicaActions.add(action);<a name="line.438"></a> -<span class="sourceLineNo">439</span> } else {<a name="line.439"></a> -<span class="sourceLineNo">440</span> // TODO: relies on primary location always being fetched<a name="line.440"></a> -<span class="sourceLineNo">441</span> manageLocationError(action, null);<a name="line.441"></a> -<span class="sourceLineNo">442</span> }<a name="line.442"></a> -<span class="sourceLineNo">443</span> } else {<a name="line.443"></a> -<span class="sourceLineNo">444</span> byte[] regionName = loc.getRegionInfo().getRegionName();<a name="line.444"></a> -<span class="sourceLineNo">445</span> AsyncProcess.addAction(loc.getServerName(), regionName, action, actionsByServer, nonceGroup);<a name="line.445"></a> -<span class="sourceLineNo">446</span> }<a name="line.446"></a> -<span class="sourceLineNo">447</span> }<a name="line.447"></a> -<span class="sourceLineNo">448</span> boolean doStartReplica = (numAttempt == 1 && !isReplica && hasAnyReplicaGets);<a name="line.448"></a> -<span class="sourceLineNo">449</span> boolean hasUnknown = unknownReplicaActions != null && !unknownReplicaActions.isEmpty();<a name="line.449"></a> -<span class="sourceLineNo">450</span><a name="line.450"></a> -<span class="sourceLineNo">451</span> if (!actionsByServer.isEmpty()) {<a name="line.451"></a> -<span class="sourceLineNo">452</span> // If this is a first attempt to group and send, no replicas, we need replica thread.<a name="line.452"></a> -<span class="sourceLineNo">453</span> sendMultiAction(actionsByServer, numAttempt, (doStartReplica && !hasUnknown)<a name="line.453"></a> -<span class="sourceLineNo">454</span> ? currentActions : null, numAttempt > 1 && !hasUnknown);<a name="line.454"></a> -<span class="sourceLineNo">455</span> }<a name="line.455"></a> -<span class="sourceLineNo">456</span><a name="line.456"></a> -<span class="sourceLineNo">457</span> if (hasUnknown) {<a name="line.457"></a> -<span class="sourceLineNo">458</span> actionsByServer = new HashMap<>();<a name="line.458"></a> -<span class="sourceLineNo">459</span> for (Action action : unknownReplicaActions) {<a name="line.459"></a> -<span class="sourceLineNo">460</span> HRegionLocation loc = getReplicaLocationOrFail(action);<a name="line.460"></a> -<span class="sourceLineNo">461</span> if (loc == null) continue;<a name="line.461"></a> -<span class="sourceLineNo">462</span> byte[] regionName = loc.getRegionInfo().getRegionName();<a name="line.462"></a> -<span class="sourceLineNo">463</span> AsyncProcess.addAction(loc.getServerName(), regionName, action, actionsByServer, nonceGroup);<a name="line.463"></a> -<span class="sourceLineNo">464</span> }<a name="line.464"></a> -<span class="sourceLineNo">465</span> if (!actionsByServer.isEmpty()) {<a name="line.465"></a> -<span class="sourceLineNo">466</span> sendMultiAction(<a name="line.466"></a> -<span class="sourceLineNo">467</span> actionsByServer, numAttempt, doStartReplica ? currentActions : null, true);<a name="line.467"></a> -<span class="sourceLineNo">468</span> }<a name="line.468"></a> -<span class="sourceLineNo">469</span> }<a name="line.469"></a> -<span class="sourceLineNo">470</span> }<a name="line.470"></a> -<span class="sourceLineNo">471</span><a name="line.471"></a> -<span class="sourceLineNo">472</span> private HRegionLocation getReplicaLocationOrFail(Action action) {<a name="line.472"></a> -<span class="sourceLineNo">473</span> // We are going to try get location once again. 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ClientExceptionsUtil.findException(actionException);<a name="line.854"></a> -<span class="sourceLineNo">855</span> // Register corresponding failures once per server/once per region.<a name="line.855"></a> -<span class="sourceLineNo">856</span> if (!regionFailureRegistered) {<a name="line.856"></a> -<span class="sourceLineNo">857</span> regionFailureRegistered = true;<a name="line.857"></a> -<span class="sourceLineNo">858</span> updateCachedLocations(server, regionName, row.getRow(), actionException);<a name="line.858"></a> -<span class="sourceLineNo">859</span> }<a name="line.859"></a> -<span class="sourceLineNo">860</span> if (retry == null) {<a name="line.860"></a> -<span class="sourceLineNo">861</span> errorsByServer.reportServerError(server);<a name="line.861"></a> -<span class="sourceLineNo">862</span> // We determine canRetry only once for all calls, after reporting server failure.<a name="line.862"></a> -<span class="sourceLineNo">863</span> retry = errorsByServer.canTryMore(numAttempt) ?<a name="line.863"></a> -<span class="sourceLineNo">864</span> Retry.YES : Retry.NO_RETRIES_EXHAUSTED;<a name="line.864"></a> -<span class="sourceLineNo">865</span> }<a name="line.865"></a> -<span class="sourceLineNo">866</span> ++failureCount;<a name="line.866"></a> -<span class="sourceLineNo">867</span> switch (manageError(sentAction.getOriginalIndex(), row, retry, actionException,<a name="line.867"></a> -<span class="sourceLineNo">868</span> server)) {<a name="line.868"></a> -<span class="sourceLineNo">869</span> case YES:<a name="line.869"></a> -<span class="sourceLineNo">870</span> toReplay.add(sentAction);<a name="line.870"></a> -<span class="sourceLineNo">871</span> break;<a name="line.871"></a> -<span class="sourceLineNo">872</span> case NO_OTHER_SUCCEEDED:<a name="line.872"></a> -<span class="sourceLineNo">873</span> ++stopped;<a name="line.873"></a> -<span class="sourceLineNo">874</span> break;<a name="line.874"></a> -<span class="sourceLineNo">875</span> default:<a name="line.875"></a> -<span class="sourceLineNo">876</span> ++failed;<a name="line.876"></a> -<span class="sourceLineNo">877</span> break;<a name="line.877"></a> -<span class="sourceLineNo">878</span> }<a name="line.878"></a> -<span class="sourceLineNo">879</span> } else {<a name="line.879"></a> -<span class="sourceLineNo">880</span> invokeCallBack(regionName, sentAction.getAction().getRow(), (CResult) result);<a name="line.880"></a> -<span class="sourceLineNo">881</span> setResult(sentAction, result);<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> if (toReplay.isEmpty()) {<a name="line.885"></a> -<span class="sourceLineNo">886</span> logNoResubmit(server, numAttempt, failureCount, lastException, failed, stopped);<a name="line.886"></a> 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-<span class="sourceLineNo">909</span> try {<a name="line.909"></a> -<span class="sourceLineNo">910</span> //noinspection unchecked<a name="line.910"></a> -<span class="sourceLineNo">911</span> // TODO: would callback expect a replica region name if it gets one?<a name="line.911"></a> -<span class="sourceLineNo">912</span> this.callback.update(regionName, row, result);<a name="line.912"></a> -<span class="sourceLineNo">913</span> } catch (Throwable t) {<a name="line.913"></a> -<span class="sourceLineNo">914</span> LOG.error("User callback threw an exception for "<a name="line.914"></a> -<span class="sourceLineNo">915</span> + Bytes.toStringBinary(regionName) + ", ignoring", t);<a name="line.915"></a> -<span class="sourceLineNo">916</span> }<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><a name="line.919"></a> -<span class="sourceLineNo">920</span> private void cleanServerCache(ServerName server, Throwable regionException) {<a name="line.920"></a> -<span class="sourceLineNo">921</span> if (tableName == null && ClientExceptionsUtil.isMetaClearingException(regionException)) {<a name="line.921"></a> -<span class="sourceLineNo">922</span> // For multi-actions, we don't have a table name, but we want to make sure to clear the<a name="line.922"></a> -<span class="sourceLineNo">923</span> // cache in case there were location-related exceptions. We don't to clear the cache<a name="line.923"></a> -<span class="sourceLineNo">924</span> // for every possible exception that comes through, however.<a name="line.924"></a> -<span class="sourceLineNo">925</span> asyncProcess.connection.clearCaches(server);<a name="line.925"></a> -<span class="sourceLineNo">926</span> }<a name="line.926"></a> -<span class="sourceLineNo">927</span> }<a name="line.927"></a> -<span class="sourceLineNo">928</span><a name="line.928"></a> -<span class="sourceLineNo">929</span> @VisibleForTesting<a name="line.929"></a> -<span class="sourceLineNo">930</span> protected void updateStats(ServerName server, Map<byte[], MultiResponse.RegionResult> results) {<a name="line.930"></a> -<span class="sourceLineNo">931</span> boolean metrics = asyncProcess.connection.getConnectionMetrics() != null;<a name="line.931"></a> -<span class="sourceLineNo">932</span> boolean stats = asyncProcess.connection.getStatisticsTracker() != null;<a name="line.932"></a> -<span class="sourceLineNo">933</span> if (!stats && !metrics) {<a name="line.933"></a> -<span class="sourceLineNo">934</span> return;<a name="line.934"></a> -<span class="sourceLineNo">935</span> }<a name="line.935"></a> -<span class="sourceLineNo">936</span> for (Map.Entry<byte[], MultiResponse.RegionResult> regionStats : results.entrySet()) {<a name="line.936"></a> -<span class="sourceLineNo">937</span> byte[] regionName = regionStats.getKey();<a name="line.937"></a> -<span class="sourceLineNo">938</span> ClientProtos.RegionLoadStats stat = regionStats.getValue().getStat();<a name="line.938"></a> -<span class="sourceLineNo">939</span> if (stat == null) {<a name="line.939"></a> -<span class="sourceLineNo">940</span> LOG.error("No ClientProtos.RegionLoadStats found for server=" + server<a name="line.940"></a> -<span class="sourceLineNo">941</span> + ", region=" + Bytes.toStringBinary(regionName));<a name="line.941"></a> -<span class="sourceLineNo">942</span> continue;<a name="line.942"></a> -<span class="sourceLineNo">943</span> }<a name="line.943"></a> -<span class="sourceLineNo">944</span> RegionLoadStats regionLoadstats = ProtobufUtil.createRegionLoadStats(stat);<a name="line.944"></a> -<span class="sourceLineNo">945</span> ResultStatsUtil.updateStats(asyncProcess.connection.getStatisticsTracker(), server,<a name="line.945"></a> -<span class="sourceLineNo">946</span> regionName, regionLoadstats);<a name="line.946"></a> -<span class="sourceLineNo">947</span> ResultStatsUtil.updateStats(asyncProcess.connection.getConnectionMetrics(),<a name="line.947"></a> -<span class="sourceLineNo">948</span> server, regionName, regionLoadstats);<a name="line.948"></a> -<span class="sourceLineNo">949</span> }<a name="line.949"></a> -<span class="sourceLineNo">950</span> }<a name="line.950"></a> +<span class="sourceLineNo">391</span> this.errors = new BatchErrors();<a name="line.391"></a> +<span class="sourceLineNo">392</span> this.operationTimeout = task.getOperationTimeout();<a name="line.392"></a> +<span class="sourceLineNo">393</span> this.rpcTimeout = task.getRpcTimeout();<a name="line.393"></a> +<span class="sourceLineNo">394</span> this.currentCallable = task.getCallable();<a name="line.394"></a> +<span class="sourceLineNo">395</span> if (task.getCallable() == null) {<a name="line.395"></a> +<span class="sourceLineNo">396</span> tracker = new RetryingTimeTracker().start();<a name="line.396"></a> +<span class="sourceLineNo">397</span> }<a name="line.397"></a> +<span class="sourceLineNo">398</span> }<a name="line.398"></a> +<span class="sourceLineNo">399</span><a name="line.399"></a> +<span class="sourceLineNo">400</span> @VisibleForTesting<a name="line.400"></a> +<span class="sourceLineNo">401</span> protected Set<CancellableRegionServerCallable> getCallsInProgress() {<a name="line.401"></a> +<span class="sourceLineNo">402</span> return callsInProgress;<a name="line.402"></a> +<span class="sourceLineNo">403</span> }<a name="line.403"></a> +<span class="sourceLineNo">404</span><a name="line.404"></a> +<span class="sourceLineNo">405</span> @VisibleForTesting<a name="line.405"></a> +<span class="sourceLineNo">406</span> SingleServerRequestRunnable createSingleServerRequest(MultiAction multiAction, int numAttempt, ServerName server,<a name="line.406"></a> +<span class="sourceLineNo">407</span> Set<CancellableRegionServerCallable> callsInProgress) {<a name="line.407"></a> +<span class="sourceLineNo">408</span> return new SingleServerRequestRunnable(multiAction, numAttempt, server, callsInProgress);<a name="line.408"></a> +<span class="sourceLineNo">409</span> }<a name="line.409"></a> +<span class="sourceLineNo">410</span><a name="line.410"></a> +<span class="sourceLineNo">411</span> /**<a name="line.411"></a> +<span class="sourceLineNo">412</span> * Group a list of actions per region servers, and send them.<a name="line.412"></a> +<span class="sourceLineNo">413</span> *<a name="line.413"></a> +<span class="sourceLineNo">414</span> * @param currentActions - the list of row to submit<a name="line.414"></a> +<span class="sourceLineNo">415</span> * @param numAttempt - the current numAttempt (first attempt is 1)<a name="line.415"></a> +<span class="sourceLineNo">416</span> */<a name="line.416"></a> +<span class="sourceLineNo">417</span> void groupAndSendMultiAction(List<Action> currentActions, int numAttempt) {<a name="line.417"></a> +<span class="sourceLineNo">418</span> Map<ServerName, MultiAction> actionsByServer = new HashMap<>();<a name="line.418"></a> +<span class="sourceLineNo">419</span><a name="line.419"></a> +<span class="sourceLineNo">420</span> boolean isReplica = false;<a name="line.420"></a> +<span class="sourceLineNo">421</span> List<Action> unknownReplicaActions = null;<a name="line.421"></a> +<span class="sourceLineNo">422</span> for (Action action : currentActions) {<a name="line.422"></a> +<span class="sourceLineNo">423</span> RegionLocations locs = findAllLocationsOrFail(action, true);<a name="line.423"></a> +<span class="sourceLineNo">424</span> if (locs == null) continue;<a name="line.424"></a> +<span class="sourceLineNo">425</span> boolean isReplicaAction = !RegionReplicaUtil.isDefaultReplica(action.getReplicaId());<a name="line.425"></a> +<span class="sourceLineNo">426</span> if (isReplica && !isReplicaAction) {<a name="line.426"></a> +<span class="sourceLineNo">427</span> // This is the property of the current implementation, not a requirement.<a name="line.427"></a> +<span class="sourceLineNo">428</span> throw new AssertionError("Replica and non-replica actions in the same retry");<a name="line.428"></a> +<span class="sourceLineNo">429</span> }<a name="line.429"></a> +<span class="sourceLineNo">430</span> isReplica = isReplicaAction;<a name="line.430"></a> +<span class="sourceLineNo">431</span> HRegionLocation loc = locs.getRegionLocation(action.getReplicaId());<a name="line.431"></a> +<span class="sourceLineNo">432</span> if (loc == null || loc.getServerName() == null) {<a name="line.432"></a> +<span class="sourceLineNo">433</span> if (isReplica) {<a name="line.433"></a> +<span class="sourceLineNo">434</span> if (unknownReplicaActions == null) {<a name="line.434"></a> +<span class="sourceLineNo">435</span> unknownReplicaActions = new ArrayList<>(1);<a name="line.435"></a> +<span class="sourceLineNo">436</span> }<a name="line.436"></a> +<span class="sourceLineNo">437</span> unknownReplicaActions.add(action);<a name="line.437"></a> +<span class="sourceLineNo">438</span> } else {<a name="line.438"></a> +<span class="sourceLineNo">439</span> // TODO: relies on primary location always being fetched<a name="line.439"></a> +<span class="sourceLineNo">440</span> manageLocationError(action, null);<a name="line.440"></a> +<span class="sourceLineNo">441</span> }<a name="line.441"></a> +<span class="sourceLineNo">442</span> } else {<a name="line.442"></a> +<span class="sourceLineNo">443</span> byte[] regionName = loc.getRegionInfo().getRegionName();<a name="line.443"></a> +<span class="sourceLineNo">444</span> AsyncProcess.addAction(loc.getServerName(), regionName, action, actionsByServer, nonceGroup);<a name="line.444"></a> +<span class="sourceLineNo">445</span> }<a name="line.445"></a> +<span class="sourceLineNo">446</span> }<a name="line.446"></a> +<span class="sourceLineNo">447</span> boolean doStartReplica = (numAttempt == 1 && !isReplica && hasAnyReplicaGets);<a name="line.447"></a> +<span class="sourceLineNo">448</span> boolean hasUnknown = unknownReplicaActions != null && !unknownReplicaActions.isEmpty();<a name="line.448"></a> +<span class="sourceLineNo">449</span><a name="line.449"></a> +<span class="sourceLineNo">450</span> if (!actionsByServer.isEmpty()) {<a name="line.450"></a> +<span class="sourceLineNo">451</span> // If this is a first attempt to group and send, no replicas, we need replica thread.<a name="line.451"></a> +<span class="sourceLineNo">452</span> sendMultiAction(actionsByServer, numAttempt, (doStartReplica && !hasUnknown)<a name="line.452"></a> +<span class="sourceLineNo">453</span> ? currentActions : null, numAttempt > 1 && !hasUnknown);<a name="line.453"></a> +<span class="sourceLineNo">454</span> }<a name="line.454"></a> +<span class="sourceLineNo">455</span><a name="line.455"></a> +<span class="sourceLineNo">456</span> if (hasUnknown) {<a name="line.456"></a> +<span class="sourceLineNo">457</span> actionsByServer = new HashMap<>();<a name="line.457"></a> +<span class="sourceLineNo">458</span> for (Action action : unknownReplicaActions) {<a name="line.458"></a> +<span class="sourceLineNo">459</span> HRegionLocation loc = getReplicaLocationOrFail(action);<a name="line.459"></a> +<span class="sourceLineNo">460</span> if (loc == null) continue;<a name="line.460"></a> +<span class="sourceLineNo">461</span> byte[] regionName = loc.getRegionInfo().getRegionName();<a name="line.461"></a> +<span class="sourceLineNo">462</span> AsyncProcess.addAction(loc.getServerName(), regionName, action, actionsByServer, nonceGroup);<a name="line.462"></a> +<span class="sourceLineNo">463</span> }<a name="line.463"></a> +<span class="sourceLineNo">464</span> if (!actionsByServer.isEmpty()) {<a name="line.464"></a> +<span class="sourceLineNo">465</span> sendMultiAction(<a name="line.465"></a> +<span class="sourceLineNo">466</span> actionsByServer, numAttempt, doStartReplica ? currentActions : null, true);<a name="line.466"></a> +<span class="sourceLineNo">467</span> }<a name="line.467"></a> +<span class="sourceLineNo">468</span> }<a name="line.468"></a> +<span class="sourceLineNo">469</span> }<a name="line.469"></a> +<span class="sourceLineNo">470</span><a name="line.470"></a> +<span class="sourceLineNo">471</span> private HRegionLocation getReplicaLocationOrFail(Action action) {<a name="line.471"></a> +<span class="sourceLineNo">472</span> // We are going to try get location once again. For each action, we'll do it once<a name="line.472"></a> +<span class="sourceLineNo">473</span> // from cache, because the previous calls in the loop might populate it.<a name="line.473"></a> +<span class="sourceLineNo">474</span> int replicaId = action.getReplicaId();<a name="line.474"></a> +<span class="sourceLineNo">475</span> RegionLocations locs = findAllLocationsOrFail(action, true);<a name="line.475"></a> +<span class="sourceLineNo">476</span> if (locs == null) return null; // manageError already called<a name="line.476"></a> +<span class="sourceLineNo">477</span> HRegionLocation loc = locs.getRegionLocation(replicaId);<a name="line.477"></a> +<span class="sourceLineNo">478</span> if (loc == null || loc.getServerName() == null) {<a name="line.478"></a> +<span class="sourceLineNo">479</span> locs = findAllLocationsOrFail(action, false);<a name="line.479"></a> +<span class="sourceLineNo">480</span> if (locs == null) return null; // manageError already called<a name="line.480"></a> +<span class="sourceLineNo">481</span> loc = locs.getRegionLocation(replicaId);<a name="line.481"></a> +<span class="sourceLineNo">482</span> }<a name="line.482"></a> +<span class="sourceLineNo">483</span> if (loc == null || loc.getServerName() == null) {<a name="line.483"></a> +<span class="sourceLineNo">484</span> manageLocationError(action, null);<a name="line.484"></a> +<span class="sourceLineNo">485</span> return null;<a name="line.485"></a> +<span class="sourceLineNo">486</span> }<a name="line.486"></a> +<span class="sourceLineNo">487</span> return loc;<a name="line.487"></a> +<span class="sourceLineNo">488</span> }<a name="line.488"></a> +<span class="sourceLineNo">489</span><a name="line.489"></a> +<span class="sourceLineNo">490</span> private void manageLocationError(Action action, Exception ex) {<a name="line.490"></a> +<span class="sourceLineNo">491</span> String msg = "Cannot get replica " + action.getReplicaId()<a name="line.491"></a> +<span class="sourceLineNo">492</span> + " location for " + action.getAction();<a name="line.492"></a> +<span class="sourceLineNo">493</span> LOG.error(msg);<a name="line.493"></a> +<span class="sourceLineNo">494</span> if (ex == null) {<a name="line.494"></a> +<span class="sourceLineNo">495</span> ex = new IOException(msg);<a name="line.495"></a> +<span class="sourceLineNo">496</span> }<a name="line.496"></a> +<span class="sourceLineNo">497</span> manageError(action.getOriginalIndex(), action.getAction(),<a name="line.497"></a> +<span class="sourceLineNo">498</span> Retry.NO_LOCATION_PROBLEM, ex, null);<a name="line.498"></a> +<span class="sourceLineNo">499</span> }<a name="line.499"></a> +<span class="sourceLineNo">500</span><a name="line.500"></a> +<span class="sourceLineNo">501</span> private RegionLocations findAllLocationsOrFail(Action action, boolean useCache) {<a name="line.501"></a> +<span class="sourceLineNo">502</span> if (action.getAction() == null) throw new IllegalArgumentException("#" + asyncProcess.id +<a name="line.502"></a> +<span class="sourceLineNo">503</span> ", row cannot be null");<a name="line.503"></a> +<span class="sourceLineNo">504</span> RegionLocations loc = null;<a name="line.504"></a> +<span class="sourceLineNo">505</span> try {<a name="line.505"></a> +<span class="sourceLineNo">506</span> loc = asyncProcess.connection.locateRegion(<a name="line.506"></a> +<span class="sourceLineNo">507</span> tableName, action.getAction().getRow(), useCache, true, action.getReplicaId());<a name="line.507"></a> +<span class="sourceLineNo">508</span> } catch (IOException ex) {<a name="line.508"></a> +<span class="sourceLineNo">509</span> manageLocationError(action, ex);<a name="line.509"></a> +<span class="sourceLineNo">510</span> }<a name="line.510"></a> +<span class="sourceLineNo">511</span> return loc;<a name="line.511"></a> +<span class="sourceLineNo">512</span> }<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> * Send a multi action structure to the servers, after a delay depending on the attempt<a name="line.515"></a> +<span class="sourceLineNo">516</span> * number. Asynchronous.<a name="line.516"></a> +<span class="sourceLineNo">517</span> *<a name="line.517"></a> +<span class="sourceLineNo">518</span> * @param actionsByServer the actions structured by regions<a name="line.518"></a> +<span class="sourceLineNo">519</span> * @param numAttempt the attempt number.<a name="line.519"></a> +<span class="sourceLineNo">520</span> * @param actionsForReplicaThread original actions for replica thread; null on non-first call.<a name="line.520"></a> +<span class="sourceLineNo">521</span> */<a name="line.521"></a> +<span class="sourceLineNo">522</span> void sendMultiAction(Map<ServerName, MultiAction> actionsByServer,<a name="line.522"></a> +<span class="sourceLineNo">523</span> int numAttempt, List<Action> actionsForReplicaThread, boolean reuseThread) {<a name="line.523"></a> +<span class="sourceLineNo">524</span> // Run the last item on the same thread if we are already on a send thread.<a name="line.524"></a> +<span class="sourceLineNo">525</span> // We hope most of the time it will be the only item, so we can cut down on threads.<a name="line.525"></a> +<span class="sourceLineNo">526</span> int actionsRemaining = actionsByServer.size();<a name="line.526"></a> +<span class="sourceLineNo">527</span> // This iteration is by server (the HRegionLocation comparator is by server portion only).<a name="line.527"></a> +<span class="sourceLineNo">528</span> for (Map.Entry<ServerName, MultiAction> e : actionsByServer.entrySet()) {<a name="line.528"></a> +<span class="sourceLineNo">529</span> ServerName server = e.getKey();<a name="line.529"></a> +<span class="sourceLineNo">530</span> MultiAction multiAction = e.getValue();<a name="line.530"></a> +<span class="sourceLineNo">531</span> Collection<? extends Runnable> runnables = getNewMultiActionRunnable(server, multiAction,<a name="line.531"></a> +<span class="sourceLineNo">532</span> numAttempt);<a name="line.532"></a> +<span class="sourceLineNo">533</span> // make sure we correctly count the number of runnables before we try to reuse the send<a name="line.533"></a> +<span class="sourceLineNo">534</span> // thread, in case we had to split the request into different runnables because of backoff<a name="line.534"></a> +<span class="sourceLineNo">535</span> if (runnables.size() > actionsRemaining) {<a name="line.535"></a> +<span class="sourceLineNo">536</span> actionsRemaining = runnables.size();<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> // run all the runnables<a name="line.539"></a> +<span class="sourceLineNo">540</span> // HBASE-17475: Do not reuse the thread after stack reach a certain depth to prevent stack overflow<a name="line.540"></a> +<span class="sourceLineNo">541</span> // for now, we use HConstants.DEFAULT_HBASE_CLIENT_RETRIES_NUMBER to control the depth<a name="line.541"></a> +<span class="sourceLineNo">542</span> for (Runnable runnable : runnables) {<a name="line.542"></a> +<span class="sourceLineNo">543</span> if ((--actionsRemaining == 0) && reuseThread<a name="line.543"></a> +<span class="sourceLineNo">544</span> && numAttempt % HConstants.DEFAULT_HBASE_CLIENT_RETRIES_NUMBER != 0) {<a name="line.544"></a> +<span class="sourceLineNo">545</span> runnable.run();<a name="line.545"></a> +<span class="sourceLineNo">546</span> } else {<a name="line.546"></a> +<span class="sourceLineNo">547</span> try {<a name="line.547"></a> +<span class="sourceLineNo">548</span> pool.submit(runnable);<a name="line.548"></a> +<span class="sourceLineNo">549</span> } catch (Throwable t) {<a name="line.549"></a> +<span class="sourceLineNo">550</span> if (t instanceof RejectedExecutionException) {<a name="line.550"></a> +<span class="sourceLineNo">551</span> // This should never happen. But as the pool is provided by the end user,<a name="line.551"></a> +<span class="sourceLineNo">552</span> // let's secure this a little.<a name="line.552"></a> +<span class="sourceLineNo">553</span> LOG.warn("#" + asyncProcess.id + ", the task was rejected by the pool. This is unexpected." +<a name="line.553"></a> +<span class="sourceLineNo">554</span> " Server is " + server.getServerName(), t);<a name="line.554"></a> +<span class="sourceLineNo">555</span> } else {<a name="line.555"></a> +<span class="sourceLineNo">556</span> // see #HBASE-14359 for more details<a name="line.556"></a> +<span class="sourceLineNo">557</span> LOG.warn("Caught unexpected exception/error: ", t);<a name="line.557"></a> +<span class="sourceLineNo">558</span> }<a name="line.558"></a> +<span class="sourceLineNo">559</span> asyncProcess.decTaskCounters(multiAction.getRegions(), server);<a name="line.559"></a> +<span class="sourceLineNo">560</span> // We're likely to fail again, but this will increment the attempt counter,<a name="line.560"></a> +<span class="sourceLineNo">561</span> // so it will finish.<a name="line.561"></a> +<span class="sourceLineNo">562</span> receiveGlobalFailure(multiAction, server, numAttempt, t);<a name="line.562"></a> +<span class="sourceLineNo">563</span> }<a name="line.563"></a> +<span class="sourceLineNo">564</span> }<a name="line.564"></a> +<span class="sourceLineNo">565</span> }<a name="line.565"></a> +<span class="sourceLineNo">566</span> }<a name="line.566"></a> +<span class="sourceLineNo">567</span><a name="line.567"></a> +<span class="sourceLineNo">568</span> if (actionsForReplicaThread != null) {<a name="line.568"></a> +<span class="sourceLineNo">569</span> startWaitingForReplicaCalls(actionsForReplicaThread);<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> private Collection<? extends Runnable> getNewMultiActionRunnable(ServerName server,<a name="line.573"></a> +<span class="sourceLineNo">574</span> MultiAction multiAction,<a name="line.574"></a> +<span class="sourceLineNo">575</span> int numAttempt) {<a name="line.575"></a> +<span class="sourceLineNo">576</span> // no stats to manage, just do the standard action<a name="line.576"></a> +<span class="sourceLineNo">577</span> if (asyncProcess.connection.getStatisticsTracker() == null) {<a name="line.577"></a> +<span class="sourceLineNo">578</span> if (asyncProcess.connection.getConnectionMetrics() != null) {<a name="line.578"></a> +<span class="sourceLineNo">579</span> asyncProcess.connection.getConnectionMetrics().incrNormalRunners();<a name="line.579"></a> +<span class="sourceLineNo">580</span> }<a name="line.580"></a> +<span class="sourceLineNo">581</span> asyncProcess.incTaskCounters(multiAction.getRegions(), server);<a name="line.581"></a> +<span class="sourceLineNo">582</span> SingleServerRequestRunnable runnable = createSingleServerRequest(<a name="line.582"></a> +<span class="sourceLineNo">583</span> multiAction, numAttempt, server, callsInProgress);<a name="line.583"></a> +<span class="sourceLineNo">584</span> Tracer tracer = Tracer.curThreadTracer();<a name="line.584"></a> +<span class="sourceLineNo">585</span><a name="line.585"></a> +<span class="sourceLineNo">586</span> if (tracer == null) {<a name="line.586"></a> +<span class="sourceLineNo">587</span> return Collections.singletonList(runnable);<a name="line.587"></a> +<span class="sourceLineNo">588</span> } else {<a name="line.588"></a> +<span class="sourceLineNo">589</span> return Collections.singletonList(tracer.wrap(runnable, "AsyncProcess.sendMultiAction"));<a name="line.589"></a> +<span class="sourceLineNo">590</span> }<a name="line.590"></a> +<span class="sourceLineNo">591</span> }<a name="line.591"></a> +<span class="sourceLineNo">592</span><a name="line.592"></a> +<span class="sourceLineNo">593</span> // group the actions by the amount of delay<a name="line.593"></a> +<span class="sourceLineNo">594</span> Map<Long, DelayingRunner> actions = new HashMap<>(multiAction.size());<a name="line.594"></a> +<span class="sourceLineNo">595</span><a name="line.595"></a> +<span class="sourceLineNo">596</span> // split up the actions<a name="line.596"></a> +<span class="sourceLineNo">597</span> for (Map.Entry<byte[], List<Action>> e : multiAction.actions.entrySet()) {<a name="line.597"></a> +<span class="sourceLineNo">598</span> Long backoff = getBackoff(server, e.getKey());<a name="line.598"></a> +<span class="sourceLineNo">599</span> DelayingRunner runner = actions.get(backoff);<a name="line.599"></a> +<span class="sourceLineNo">600</span> if (runner == null) {<a name="line.600"></a> +<span class="sourceLineNo">601</span> actions.put(backoff, new DelayingRunner(backoff, e));<a name="line.601"></a> +<span class="sourceLineNo">602</span> } else {<a name="line.602"></a> +<span class="sourceLineNo">603</span> runner.add(e);<a name="line.603"></a> +<span class="sourceLineNo">604</span> }<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> List<Runnable> toReturn = new ArrayList<>(actions.size());<a name="line.607"></a> +<span class="sourceLineNo">608</span> for (DelayingRunner runner : actions.values()) {<a name="line.608"></a> +<span class="sourceLineNo">609</span> asyncProcess.incTaskCounters(runner.getActions().getRegions(), server);<a name="line.609"></a> +<span class="sourceLineNo">610</span> String traceText = "AsyncProcess.sendMultiAction";<a name="line.610"></a> +<span class="sourceLineNo">611</span> Runnable runnable = createSingleServerRequest(runner.getActions(), numAttempt, server, callsInProgress);<a name="line.611"></a> +<span class="sourceLineNo">612</span> // use a delay runner only if we need to sleep for some time<a name="line.612"></a> +<span class="sourceLineNo">613</span> if (runner.getSleepTime() > 0) {<a name="line.613"></a> +<span class="sourceLineNo">614</span> runner.setRunner(runnable);<a name="line.614"></a> +<span class="sourceLineNo">615</span> traceText = "AsyncProcess.clientBackoff.sendMultiAction";<a name="line.615"></a> +<span class="sourceLineNo">616</span> runnable = runner;<a name="line.616"></a> +<span class="sourceLineNo">617</span> if (asyncProcess.connection.getConnectionMetrics() != null) {<a name="line.617"></a> +<span class="sourceLineNo">618</span> asyncProcess.connection.getConnectionMetrics().incrDelayRunners();<a name="line.618"></a> +<span class="sourceLineNo">619</span> asyncProcess.connection.getConnectionMetrics().updateDelayInterval(runner.getSleepTime());<a name="line.619"></a> +<span class="sourceLineNo">620</span> }<a name="line.620"></a> +<span class="sourceLineNo">621</span> } else {<a name="line.621"></a> +<span class="sourceLineNo">622</span> if (asyncProcess.connection.getConnectionMetrics() != null) {<a name="line.622"></a> +<span class="sourceLineNo">623</span> asyncProcess.connection.getConnectionMetrics().incrNormalRunners();<a name="line.623"></a> +<span class="sourceLineNo">624</span> }<a name="line.624"></a> +<span class="sourceLineNo">625</span> }<a name="line.625"></a> +<span class="sourceLineNo">626</span> runnable = TraceUtil.wrap(runnable, traceText);<a name="line.626"></a> +<span class="sourceLineNo">627</span> toReturn.add(runnable);<a name="line.627"></a> +<span class="sourceLineNo">628</span><a name="line.628"></a> +<span class="sourceLineNo">629</span> }<a name="line.629"></a> +<span class="sourceLineNo">630</span> return toReturn;<a name="line.630"></a> +<span class="sourceLineNo">631</span> }<a name="line.631"></a> +<span class="sourceLineNo">632</span><a name="line.632"></a> +<span class="sourceLineNo">633</span> /**<a name="line.633"></a> +<span class="sourceLineNo">634</span> * @param server server location where the target region is hosted<a name="line.634"></a> +<span class="sourceLineNo">635</span> * @param regionName name of the region which we are going to write some data<a name="line.635"></a> +<span class="sourceLineNo">636</span> * @return the amount of time the client should wait until it submit a request to the<a name="line.636"></a> +<span class="sourceLineNo">637</span> * specified server and region<a name="line.637"></a> +<span class="sourceLineNo">638</span> */<a name="line.638"></a> +<span class="sourceLineNo">639</span> private Long getBackoff(ServerName server, byte[] regionName) {<a name="line.639"></a> +<span class="sourceLineNo">640</span> ServerStatisticTracker tracker = asyncProcess.connection.getStatisticsTracker();<a name="line.640"></a> +<span class="sourceLineNo">641</span> ServerStatistics stats = tracker.getStats(server);<a name="line.641"></a> +<span class="sourceLineNo">642</span> return asyncProcess.connection.getBackoffPolicy()<a name="line.642"></a> +<span class="sourceLineNo">643</span> .getBackoffTime(server, regionName, stats);<a name="line.643"></a> +<span class="sourceLineNo">644</span> }<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> * Starts waiting to issue replica calls on a different thread; or issues them immediately.<a name="line.647"></a> +<span class="sourceLineNo">648</span> */<a name="line.648"></a> +<span class="sourceLineNo">649</span> private void startWaitingForReplicaCalls(List<Action> actionsForReplicaThread) {<a name="line.649"></a> +<span class="sourceLineNo">650</span> long startTime = EnvironmentEdgeManager.currentTime();<a name="line.650"></a> +<span class="sourceLineNo">651</span> ReplicaCallIssuingRunnable replicaRunnable = new ReplicaCallIssuingRunnable(<a name="line.651"></a> +<span class="sourceLineNo">652</span> actionsForReplicaThread, startTime);<a name="line.652"></a> +<span class="sourceLineNo">653</span> if (asyncProcess.primaryCallTimeoutMicroseconds == 0) {<a name="line.653"></a> +<span class="sourceLineNo">654</span> // Start replica calls immediately.<a name="line.654"></a> +<span class="sourceLineNo">655</span> replicaRunnable.run();<a name="line.655"></a> +<span class="sourceLineNo">656</span> } else {<a name="line.656"></a> +<span class="sourceLineNo">657</span> // Start the thread that may kick off replica gets.<a name="line.657"></a> +<span class="sourceLineNo">658</span> // TODO: we could do it on the same thread, but it's a user thread, might be a bad idea.<a name="line.658"></a> +<span class="sourceLineNo">659</span> try {<a name="line.659"></a> +<span class="sourceLineNo">660</span> pool.submit(replicaRunnable);<a name="line.660"></a> +<span class="sourceLineNo">661</span> } catch (RejectedExecutionException ree) {<a name="line.661"></a> +<span class="sourceLineNo">662</span> LOG.warn("#" + asyncProcess.id + ", replica task was rejected by the pool - no replica calls", ree);<a name="line.662"></a> +<span class="sourceLineNo">663</span> }<a name="line.663"></a> +<span class="sourceLineNo">664</span> }<a name="line.664"></a> +<span class="sourceLineNo">665</span> }<a name="line.665"></a> +<span class="sourceLineNo">666</span><a name="line.666"></a> +<span class="sourceLineNo">667</span> /**<a name="line.667"></a> +<span class="sourceLineNo">668</span> * Check that we can retry acts accordingly: logs, set the error status.<a name="line.668"></a> +<span class="sourceLineNo">669</span> *<a name="line.669"></a> +<span class="sourceLineNo">670</span> * @param originalIndex the position in the list sent<a name="line.670"></a> +<span class="sourceLineNo">671</span> * @param row the row<a name="line.671"></a> +<span class="sourceLineNo">672</span> * @param canRetry if false, we won't retry whatever the settings.<a name="line.672"></a> +<span class="sourceLineNo">673</span> * @param throwable the throwable, if any (can be null)<a name="line.673"></a> +<span class="sourceLineNo">674</span> * @param server the location, if any (can be null)<a name="line.674"></a> +<span class="sourceLineNo">675</span> * @return true if the action can be retried, false otherwise.<a name="li
<TRUNCATED>
