http://git-wip-us.apache.org/repos/asf/hbase-site/blob/33bc9e06/devapidocs/src-html/org/apache/hadoop/hbase/master/assignment/AssignmentManager.html ---------------------------------------------------------------------- diff --git a/devapidocs/src-html/org/apache/hadoop/hbase/master/assignment/AssignmentManager.html b/devapidocs/src-html/org/apache/hadoop/hbase/master/assignment/AssignmentManager.html index 6d380af..883a87d 100644 --- a/devapidocs/src-html/org/apache/hadoop/hbase/master/assignment/AssignmentManager.html +++ b/devapidocs/src-html/org/apache/hadoop/hbase/master/assignment/AssignmentManager.html @@ -488,1358 +488,1367 @@ <span class="sourceLineNo">480</span> synchronized (checkIfShouldMoveSystemRegionLock) {<a name="line.480"></a> <span class="sourceLineNo">481</span> List<RegionPlan> plans = new ArrayList<>();<a name="line.481"></a> <span class="sourceLineNo">482</span> for (ServerName server : getExcludedServersForSystemTable()) {<a name="line.482"></a> -<span class="sourceLineNo">483</span> List<HRegionInfo> regionsShouldMove = getCarryingSystemTables(server);<a name="line.483"></a> -<span class="sourceLineNo">484</span> if (!regionsShouldMove.isEmpty()) {<a name="line.484"></a> -<span class="sourceLineNo">485</span> for (HRegionInfo regionInfo : regionsShouldMove) {<a name="line.485"></a> -<span class="sourceLineNo">486</span> // null value for dest forces destination server to be selected by balancer<a name="line.486"></a> -<span class="sourceLineNo">487</span> RegionPlan plan = new RegionPlan(regionInfo, server, null);<a name="line.487"></a> -<span class="sourceLineNo">488</span> if (regionInfo.isMetaRegion()) {<a name="line.488"></a> -<span class="sourceLineNo">489</span> // Must move meta region first.<a name="line.489"></a> -<span class="sourceLineNo">490</span> moveAsync(plan);<a name="line.490"></a> -<span class="sourceLineNo">491</span> } else {<a name="line.491"></a> -<span class="sourceLineNo">492</span> plans.add(plan);<a name="line.492"></a> -<span class="sourceLineNo">493</span> }<a name="line.493"></a> -<span class="sourceLineNo">494</span> }<a name="line.494"></a> -<span class="sourceLineNo">495</span> }<a name="line.495"></a> -<span class="sourceLineNo">496</span> for (RegionPlan plan : plans) {<a name="line.496"></a> -<span class="sourceLineNo">497</span> moveAsync(plan);<a name="line.497"></a> -<span class="sourceLineNo">498</span> }<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> } catch (Throwable t) {<a name="line.501"></a> -<span class="sourceLineNo">502</span> LOG.error(t);<a name="line.502"></a> -<span class="sourceLineNo">503</span> }<a name="line.503"></a> -<span class="sourceLineNo">504</span> }).start();<a name="line.504"></a> -<span class="sourceLineNo">505</span> }<a name="line.505"></a> -<span class="sourceLineNo">506</span><a name="line.506"></a> -<span class="sourceLineNo">507</span> private List<HRegionInfo> getCarryingSystemTables(ServerName serverName) {<a name="line.507"></a> -<span class="sourceLineNo">508</span> Set<RegionStateNode> regions = this.getRegionStates().getServerNode(serverName).getRegions();<a name="line.508"></a> -<span class="sourceLineNo">509</span> if (regions == null) {<a name="line.509"></a> -<span class="sourceLineNo">510</span> return new ArrayList<>();<a name="line.510"></a> -<span class="sourceLineNo">511</span> }<a name="line.511"></a> -<span class="sourceLineNo">512</span> return regions.stream()<a name="line.512"></a> -<span class="sourceLineNo">513</span> .map(RegionStateNode::getRegionInfo)<a name="line.513"></a> -<span class="sourceLineNo">514</span> .filter(HRegionInfo::isSystemTable)<a name="line.514"></a> -<span class="sourceLineNo">515</span> .collect(Collectors.toList());<a name="line.515"></a> -<span class="sourceLineNo">516</span> }<a name="line.516"></a> -<span class="sourceLineNo">517</span><a name="line.517"></a> -<span class="sourceLineNo">518</span> public void assign(final HRegionInfo regionInfo) throws IOException {<a name="line.518"></a> -<span class="sourceLineNo">519</span> assign(regionInfo, true);<a name="line.519"></a> -<span class="sourceLineNo">520</span> }<a name="line.520"></a> -<span class="sourceLineNo">521</span><a name="line.521"></a> -<span class="sourceLineNo">522</span> public void assign(final HRegionInfo regionInfo, final boolean forceNewPlan) throws IOException {<a name="line.522"></a> -<span class="sourceLineNo">523</span> AssignProcedure proc = createAssignProcedure(regionInfo, forceNewPlan);<a name="line.523"></a> -<span class="sourceLineNo">524</span> ProcedureSyncWait.submitAndWaitProcedure(master.getMasterProcedureExecutor(), proc);<a name="line.524"></a> +<span class="sourceLineNo">483</span> if (master.getServerManager().isServerDead(server)) {<a name="line.483"></a> +<span class="sourceLineNo">484</span> // TODO: See HBASE-18494 and HBASE-18495. Though getExcludedServersForSystemTable()<a name="line.484"></a> +<span class="sourceLineNo">485</span> // considers only online servers, the server could be queued for dead server<a name="line.485"></a> +<span class="sourceLineNo">486</span> // processing. As region assignments for crashed server is handled by<a name="line.486"></a> +<span class="sourceLineNo">487</span> // ServerCrashProcedure, do NOT handle them here. The goal is to handle this through<a name="line.487"></a> +<span class="sourceLineNo">488</span> // regular flow of LoadBalancer as a favored node and not to have this special<a name="line.488"></a> +<span class="sourceLineNo">489</span> // handling.<a name="line.489"></a> +<span class="sourceLineNo">490</span> continue;<a name="line.490"></a> +<span class="sourceLineNo">491</span> }<a name="line.491"></a> +<span class="sourceLineNo">492</span> List<HRegionInfo> regionsShouldMove = getCarryingSystemTables(server);<a name="line.492"></a> +<span class="sourceLineNo">493</span> if (!regionsShouldMove.isEmpty()) {<a name="line.493"></a> +<span class="sourceLineNo">494</span> for (HRegionInfo regionInfo : regionsShouldMove) {<a name="line.494"></a> +<span class="sourceLineNo">495</span> // null value for dest forces destination server to be selected by balancer<a name="line.495"></a> +<span class="sourceLineNo">496</span> RegionPlan plan = new RegionPlan(regionInfo, server, null);<a name="line.496"></a> +<span class="sourceLineNo">497</span> if (regionInfo.isMetaRegion()) {<a name="line.497"></a> +<span class="sourceLineNo">498</span> // Must move meta region first.<a name="line.498"></a> +<span class="sourceLineNo">499</span> moveAsync(plan);<a name="line.499"></a> +<span class="sourceLineNo">500</span> } else {<a name="line.500"></a> +<span class="sourceLineNo">501</span> plans.add(plan);<a name="line.501"></a> +<span class="sourceLineNo">502</span> }<a name="line.502"></a> +<span class="sourceLineNo">503</span> }<a name="line.503"></a> +<span class="sourceLineNo">504</span> }<a name="line.504"></a> +<span class="sourceLineNo">505</span> for (RegionPlan plan : plans) {<a name="line.505"></a> +<span class="sourceLineNo">506</span> moveAsync(plan);<a name="line.506"></a> +<span class="sourceLineNo">507</span> }<a name="line.507"></a> +<span class="sourceLineNo">508</span> }<a name="line.508"></a> +<span class="sourceLineNo">509</span> }<a name="line.509"></a> +<span class="sourceLineNo">510</span> } catch (Throwable t) {<a name="line.510"></a> +<span class="sourceLineNo">511</span> LOG.error(t);<a name="line.511"></a> +<span class="sourceLineNo">512</span> }<a name="line.512"></a> +<span class="sourceLineNo">513</span> }).start();<a name="line.513"></a> +<span class="sourceLineNo">514</span> }<a name="line.514"></a> +<span class="sourceLineNo">515</span><a name="line.515"></a> +<span class="sourceLineNo">516</span> private List<HRegionInfo> getCarryingSystemTables(ServerName serverName) {<a name="line.516"></a> +<span class="sourceLineNo">517</span> Set<RegionStateNode> regions = this.getRegionStates().getServerNode(serverName).getRegions();<a name="line.517"></a> +<span class="sourceLineNo">518</span> if (regions == null) {<a name="line.518"></a> +<span class="sourceLineNo">519</span> return new ArrayList<>();<a name="line.519"></a> +<span class="sourceLineNo">520</span> }<a name="line.520"></a> +<span class="sourceLineNo">521</span> return regions.stream()<a name="line.521"></a> +<span class="sourceLineNo">522</span> .map(RegionStateNode::getRegionInfo)<a name="line.522"></a> +<span class="sourceLineNo">523</span> .filter(HRegionInfo::isSystemTable)<a name="line.523"></a> +<span class="sourceLineNo">524</span> .collect(Collectors.toList());<a name="line.524"></a> <span class="sourceLineNo">525</span> }<a name="line.525"></a> <span class="sourceLineNo">526</span><a name="line.526"></a> -<span class="sourceLineNo">527</span> public void unassign(final HRegionInfo regionInfo) throws IOException {<a name="line.527"></a> -<span class="sourceLineNo">528</span> unassign(regionInfo, false);<a name="line.528"></a> +<span class="sourceLineNo">527</span> public void assign(final HRegionInfo regionInfo) throws IOException {<a name="line.527"></a> +<span class="sourceLineNo">528</span> assign(regionInfo, true);<a name="line.528"></a> <span class="sourceLineNo">529</span> }<a name="line.529"></a> <span class="sourceLineNo">530</span><a name="line.530"></a> -<span class="sourceLineNo">531</span> public void unassign(final HRegionInfo regionInfo, final boolean forceNewPlan)<a name="line.531"></a> -<span class="sourceLineNo">532</span> throws IOException {<a name="line.532"></a> -<span class="sourceLineNo">533</span> // TODO: rename this reassign<a name="line.533"></a> -<span class="sourceLineNo">534</span> RegionStateNode node = this.regionStates.getRegionNode(regionInfo);<a name="line.534"></a> -<span class="sourceLineNo">535</span> ServerName destinationServer = node.getRegionLocation();<a name="line.535"></a> -<span class="sourceLineNo">536</span> if (destinationServer == null) {<a name="line.536"></a> -<span class="sourceLineNo">537</span> throw new UnexpectedStateException("DestinationServer is null; Assigned? " + node.toString());<a name="line.537"></a> -<span class="sourceLineNo">538</span> }<a name="line.538"></a> -<span class="sourceLineNo">539</span> assert destinationServer != null; node.toString();<a name="line.539"></a> -<span class="sourceLineNo">540</span> UnassignProcedure proc = createUnassignProcedure(regionInfo, destinationServer, forceNewPlan);<a name="line.540"></a> -<span class="sourceLineNo">541</span> ProcedureSyncWait.submitAndWaitProcedure(master.getMasterProcedureExecutor(), proc);<a name="line.541"></a> -<span class="sourceLineNo">542</span> }<a name="line.542"></a> -<span class="sourceLineNo">543</span><a name="line.543"></a> -<span class="sourceLineNo">544</span> public Future<byte[]> moveAsync(final RegionPlan regionPlan) {<a name="line.544"></a> -<span class="sourceLineNo">545</span> MoveRegionProcedure proc = createMoveRegionProcedure(regionPlan);<a name="line.545"></a> -<span class="sourceLineNo">546</span> return ProcedureSyncWait.submitProcedure(master.getMasterProcedureExecutor(), proc);<a name="line.546"></a> -<span class="sourceLineNo">547</span> }<a name="line.547"></a> -<span class="sourceLineNo">548</span><a name="line.548"></a> -<span class="sourceLineNo">549</span> @VisibleForTesting<a name="line.549"></a> -<span class="sourceLineNo">550</span> public boolean waitForAssignment(final HRegionInfo regionInfo) throws IOException {<a name="line.550"></a> -<span class="sourceLineNo">551</span> return waitForAssignment(regionInfo, Long.MAX_VALUE);<a name="line.551"></a> -<span class="sourceLineNo">552</span> }<a name="line.552"></a> -<span class="sourceLineNo">553</span><a name="line.553"></a> -<span class="sourceLineNo">554</span> @VisibleForTesting<a name="line.554"></a> -<span class="sourceLineNo">555</span> // TODO: Remove this?<a name="line.555"></a> -<span class="sourceLineNo">556</span> public boolean waitForAssignment(final HRegionInfo regionInfo, final long timeout)<a name="line.556"></a> -<span class="sourceLineNo">557</span> throws IOException {<a name="line.557"></a> -<span class="sourceLineNo">558</span> RegionStateNode node = null;<a name="line.558"></a> -<span class="sourceLineNo">559</span> // This method can be called before the regionInfo has made it into the regionStateMap<a name="line.559"></a> -<span class="sourceLineNo">560</span> // so wait around here a while.<a name="line.560"></a> -<span class="sourceLineNo">561</span> long startTime = System.currentTimeMillis();<a name="line.561"></a> -<span class="sourceLineNo">562</span> // Something badly wrong if takes ten seconds to register a region.<a name="line.562"></a> -<span class="sourceLineNo">563</span> long endTime = startTime + 10000;<a name="line.563"></a> -<span class="sourceLineNo">564</span> while ((node = regionStates.getRegionNode(regionInfo)) == null && isRunning() &&<a name="line.564"></a> -<span class="sourceLineNo">565</span> System.currentTimeMillis() < endTime) {<a name="line.565"></a> -<span class="sourceLineNo">566</span> // Presume it not yet added but will be added soon. Let it spew a lot so we can tell if<a name="line.566"></a> -<span class="sourceLineNo">567</span> // we are waiting here alot.<a name="line.567"></a> -<span class="sourceLineNo">568</span> LOG.debug("Waiting on " + regionInfo + " to be added to regionStateMap");<a name="line.568"></a> -<span class="sourceLineNo">569</span> Threads.sleep(10);<a name="line.569"></a> -<span class="sourceLineNo">570</span> }<a name="line.570"></a> -<span class="sourceLineNo">571</span> if (node == null) {<a name="line.571"></a> -<span class="sourceLineNo">572</span> if (!isRunning()) return false;<a name="line.572"></a> -<span class="sourceLineNo">573</span> throw new RegionException(regionInfo.getRegionNameAsString() + " never registered with Assigment.");<a name="line.573"></a> -<span class="sourceLineNo">574</span> }<a name="line.574"></a> -<span class="sourceLineNo">575</span><a name="line.575"></a> -<span class="sourceLineNo">576</span> RegionTransitionProcedure proc = node.getProcedure();<a name="line.576"></a> -<span class="sourceLineNo">577</span> if (proc == null) {<a name="line.577"></a> -<span class="sourceLineNo">578</span> throw new NoSuchProcedureException(node.toString());<a name="line.578"></a> +<span class="sourceLineNo">531</span> public void assign(final HRegionInfo regionInfo, final boolean forceNewPlan) throws IOException {<a name="line.531"></a> +<span class="sourceLineNo">532</span> AssignProcedure proc = createAssignProcedure(regionInfo, forceNewPlan);<a name="line.532"></a> +<span class="sourceLineNo">533</span> ProcedureSyncWait.submitAndWaitProcedure(master.getMasterProcedureExecutor(), proc);<a name="line.533"></a> +<span class="sourceLineNo">534</span> }<a name="line.534"></a> +<span class="sourceLineNo">535</span><a name="line.535"></a> +<span class="sourceLineNo">536</span> public void unassign(final HRegionInfo regionInfo) throws IOException {<a name="line.536"></a> +<span class="sourceLineNo">537</span> unassign(regionInfo, false);<a name="line.537"></a> +<span class="sourceLineNo">538</span> }<a name="line.538"></a> +<span class="sourceLineNo">539</span><a name="line.539"></a> +<span class="sourceLineNo">540</span> public void unassign(final HRegionInfo regionInfo, final boolean forceNewPlan)<a name="line.540"></a> +<span class="sourceLineNo">541</span> throws IOException {<a name="line.541"></a> +<span class="sourceLineNo">542</span> // TODO: rename this reassign<a name="line.542"></a> +<span class="sourceLineNo">543</span> RegionStateNode node = this.regionStates.getRegionNode(regionInfo);<a name="line.543"></a> +<span class="sourceLineNo">544</span> ServerName destinationServer = node.getRegionLocation();<a name="line.544"></a> +<span class="sourceLineNo">545</span> if (destinationServer == null) {<a name="line.545"></a> +<span class="sourceLineNo">546</span> throw new UnexpectedStateException("DestinationServer is null; Assigned? " + node.toString());<a name="line.546"></a> +<span class="sourceLineNo">547</span> }<a name="line.547"></a> +<span class="sourceLineNo">548</span> assert destinationServer != null; node.toString();<a name="line.548"></a> +<span class="sourceLineNo">549</span> UnassignProcedure proc = createUnassignProcedure(regionInfo, destinationServer, forceNewPlan);<a name="line.549"></a> +<span class="sourceLineNo">550</span> ProcedureSyncWait.submitAndWaitProcedure(master.getMasterProcedureExecutor(), proc);<a name="line.550"></a> +<span class="sourceLineNo">551</span> }<a name="line.551"></a> +<span class="sourceLineNo">552</span><a name="line.552"></a> +<span class="sourceLineNo">553</span> public Future<byte[]> moveAsync(final RegionPlan regionPlan) {<a name="line.553"></a> +<span class="sourceLineNo">554</span> MoveRegionProcedure proc = createMoveRegionProcedure(regionPlan);<a name="line.554"></a> +<span class="sourceLineNo">555</span> return ProcedureSyncWait.submitProcedure(master.getMasterProcedureExecutor(), proc);<a name="line.555"></a> +<span class="sourceLineNo">556</span> }<a name="line.556"></a> +<span class="sourceLineNo">557</span><a name="line.557"></a> +<span class="sourceLineNo">558</span> @VisibleForTesting<a name="line.558"></a> +<span class="sourceLineNo">559</span> public boolean waitForAssignment(final HRegionInfo regionInfo) throws IOException {<a name="line.559"></a> +<span class="sourceLineNo">560</span> return waitForAssignment(regionInfo, Long.MAX_VALUE);<a name="line.560"></a> +<span class="sourceLineNo">561</span> }<a name="line.561"></a> +<span class="sourceLineNo">562</span><a name="line.562"></a> +<span class="sourceLineNo">563</span> @VisibleForTesting<a name="line.563"></a> +<span class="sourceLineNo">564</span> // TODO: Remove this?<a name="line.564"></a> +<span class="sourceLineNo">565</span> public boolean waitForAssignment(final HRegionInfo regionInfo, final long timeout)<a name="line.565"></a> +<span class="sourceLineNo">566</span> throws IOException {<a name="line.566"></a> +<span class="sourceLineNo">567</span> RegionStateNode node = null;<a name="line.567"></a> +<span class="sourceLineNo">568</span> // This method can be called before the regionInfo has made it into the regionStateMap<a name="line.568"></a> +<span class="sourceLineNo">569</span> // so wait around here a while.<a name="line.569"></a> +<span class="sourceLineNo">570</span> long startTime = System.currentTimeMillis();<a name="line.570"></a> +<span class="sourceLineNo">571</span> // Something badly wrong if takes ten seconds to register a region.<a name="line.571"></a> +<span class="sourceLineNo">572</span> long endTime = startTime + 10000;<a name="line.572"></a> +<span class="sourceLineNo">573</span> while ((node = regionStates.getRegionNode(regionInfo)) == null && isRunning() &&<a name="line.573"></a> +<span class="sourceLineNo">574</span> System.currentTimeMillis() < endTime) {<a name="line.574"></a> +<span class="sourceLineNo">575</span> // Presume it not yet added but will be added soon. Let it spew a lot so we can tell if<a name="line.575"></a> +<span class="sourceLineNo">576</span> // we are waiting here alot.<a name="line.576"></a> +<span class="sourceLineNo">577</span> LOG.debug("Waiting on " + regionInfo + " to be added to regionStateMap");<a name="line.577"></a> +<span class="sourceLineNo">578</span> Threads.sleep(10);<a name="line.578"></a> <span class="sourceLineNo">579</span> }<a name="line.579"></a> -<span class="sourceLineNo">580</span><a name="line.580"></a> -<span class="sourceLineNo">581</span> ProcedureSyncWait.waitForProcedureToCompleteIOE(<a name="line.581"></a> -<span class="sourceLineNo">582</span> master.getMasterProcedureExecutor(), proc.getProcId(), timeout);<a name="line.582"></a> -<span class="sourceLineNo">583</span> return true;<a name="line.583"></a> -<span class="sourceLineNo">584</span> }<a name="line.584"></a> -<span class="sourceLineNo">585</span><a name="line.585"></a> -<span class="sourceLineNo">586</span> // ============================================================================================<a name="line.586"></a> -<span class="sourceLineNo">587</span> // RegionTransition procedures helpers<a name="line.587"></a> -<span class="sourceLineNo">588</span> // ============================================================================================<a name="line.588"></a> +<span class="sourceLineNo">580</span> if (node == null) {<a name="line.580"></a> +<span class="sourceLineNo">581</span> if (!isRunning()) return false;<a name="line.581"></a> +<span class="sourceLineNo">582</span> throw new RegionException(regionInfo.getRegionNameAsString() + " never registered with Assigment.");<a name="line.582"></a> +<span class="sourceLineNo">583</span> }<a name="line.583"></a> +<span class="sourceLineNo">584</span><a name="line.584"></a> +<span class="sourceLineNo">585</span> RegionTransitionProcedure proc = node.getProcedure();<a name="line.585"></a> +<span class="sourceLineNo">586</span> if (proc == null) {<a name="line.586"></a> +<span class="sourceLineNo">587</span> throw new NoSuchProcedureException(node.toString());<a name="line.587"></a> +<span class="sourceLineNo">588</span> }<a name="line.588"></a> <span class="sourceLineNo">589</span><a name="line.589"></a> -<span class="sourceLineNo">590</span> public AssignProcedure[] createAssignProcedures(final Collection<HRegionInfo> regionInfo) {<a name="line.590"></a> -<span class="sourceLineNo">591</span> return createAssignProcedures(regionInfo, false);<a name="line.591"></a> -<span class="sourceLineNo">592</span> }<a name="line.592"></a> -<span class="sourceLineNo">593</span><a name="line.593"></a> -<span class="sourceLineNo">594</span> public AssignProcedure[] createAssignProcedures(final Collection<HRegionInfo> regionInfo,<a name="line.594"></a> -<span class="sourceLineNo">595</span> final boolean forceNewPlan) {<a name="line.595"></a> -<span class="sourceLineNo">596</span> if (regionInfo.isEmpty()) return null;<a name="line.596"></a> -<span class="sourceLineNo">597</span> final AssignProcedure[] procs = new AssignProcedure[regionInfo.size()];<a name="line.597"></a> -<span class="sourceLineNo">598</span> int index = 0;<a name="line.598"></a> -<span class="sourceLineNo">599</span> for (HRegionInfo hri: regionInfo) {<a name="line.599"></a> -<span class="sourceLineNo">600</span> procs[index++] = createAssignProcedure(hri, forceNewPlan);<a name="line.600"></a> -<span class="sourceLineNo">601</span> }<a name="line.601"></a> -<span class="sourceLineNo">602</span> return procs;<a name="line.602"></a> -<span class="sourceLineNo">603</span> }<a name="line.603"></a> -<span class="sourceLineNo">604</span><a name="line.604"></a> -<span class="sourceLineNo">605</span> // Needed for the following method so it can type the created Array we return<a name="line.605"></a> -<span class="sourceLineNo">606</span> private static final UnassignProcedure [] UNASSIGNED_PROCEDURE_FOR_TYPE_INFO =<a name="line.606"></a> -<span class="sourceLineNo">607</span> new UnassignProcedure[0];<a name="line.607"></a> -<span class="sourceLineNo">608</span><a name="line.608"></a> -<span class="sourceLineNo">609</span> UnassignProcedure[] createUnassignProcedures(final Collection<RegionStateNode> nodes) {<a name="line.609"></a> -<span class="sourceLineNo">610</span> if (nodes.isEmpty()) return null;<a name="line.610"></a> -<span class="sourceLineNo">611</span> final List<UnassignProcedure> procs = new ArrayList<UnassignProcedure>(nodes.size());<a name="line.611"></a> -<span class="sourceLineNo">612</span> for (RegionStateNode node: nodes) {<a name="line.612"></a> -<span class="sourceLineNo">613</span> if (!this.regionStates.include(node, false)) continue;<a name="line.613"></a> -<span class="sourceLineNo">614</span> // Look for regions that are offline/closed; i.e. already unassigned.<a name="line.614"></a> -<span class="sourceLineNo">615</span> if (this.regionStates.isRegionOffline(node.getRegionInfo())) continue;<a name="line.615"></a> -<span class="sourceLineNo">616</span> assert node.getRegionLocation() != null: node.toString();<a name="line.616"></a> -<span class="sourceLineNo">617</span> procs.add(createUnassignProcedure(node.getRegionInfo(), node.getRegionLocation(), false));<a name="line.617"></a> -<span class="sourceLineNo">618</span> }<a name="line.618"></a> -<span class="sourceLineNo">619</span> return procs.toArray(UNASSIGNED_PROCEDURE_FOR_TYPE_INFO);<a name="line.619"></a> -<span class="sourceLineNo">620</span> }<a name="line.620"></a> -<span class="sourceLineNo">621</span><a name="line.621"></a> -<span class="sourceLineNo">622</span> public MoveRegionProcedure[] createReopenProcedures(final Collection<HRegionInfo> regionInfo) {<a name="line.622"></a> -<span class="sourceLineNo">623</span> final MoveRegionProcedure[] procs = new MoveRegionProcedure[regionInfo.size()];<a name="line.623"></a> -<span class="sourceLineNo">624</span> int index = 0;<a name="line.624"></a> -<span class="sourceLineNo">625</span> for (HRegionInfo hri: regionInfo) {<a name="line.625"></a> -<span class="sourceLineNo">626</span> final ServerName serverName = regionStates.getRegionServerOfRegion(hri);<a name="line.626"></a> -<span class="sourceLineNo">627</span> final RegionPlan plan = new RegionPlan(hri, serverName, serverName);<a name="line.627"></a> -<span class="sourceLineNo">628</span> procs[index++] = createMoveRegionProcedure(plan);<a name="line.628"></a> -<span class="sourceLineNo">629</span> }<a name="line.629"></a> -<span class="sourceLineNo">630</span> return procs;<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> * Called by things like EnableTableProcedure to get a list of AssignProcedure<a name="line.634"></a> -<span class="sourceLineNo">635</span> * to assign the regions of the table.<a name="line.635"></a> -<span class="sourceLineNo">636</span> */<a name="line.636"></a> -<span class="sourceLineNo">637</span> public AssignProcedure[] createAssignProcedures(final TableName tableName) {<a name="line.637"></a> -<span class="sourceLineNo">638</span> return createAssignProcedures(regionStates.getRegionsOfTable(tableName));<a name="line.638"></a> -<span class="sourceLineNo">639</span> }<a name="line.639"></a> -<span class="sourceLineNo">640</span><a name="line.640"></a> -<span class="sourceLineNo">641</span> /**<a name="line.641"></a> -<span class="sourceLineNo">642</span> * Called by things like DisableTableProcedure to get a list of UnassignProcedure<a name="line.642"></a> -<span class="sourceLineNo">643</span> * to unassign the regions of the table.<a name="line.643"></a> -<span class="sourceLineNo">644</span> */<a name="line.644"></a> -<span class="sourceLineNo">645</span> public UnassignProcedure[] createUnassignProcedures(final TableName tableName) {<a name="line.645"></a> -<span class="sourceLineNo">646</span> return createUnassignProcedures(regionStates.getTableRegionStateNodes(tableName));<a name="line.646"></a> -<span class="sourceLineNo">647</span> }<a name="line.647"></a> -<span class="sourceLineNo">648</span><a name="line.648"></a> -<span class="sourceLineNo">649</span> /**<a name="line.649"></a> -<span class="sourceLineNo">650</span> * Called by things like ModifyColumnFamilyProcedure to get a list of MoveRegionProcedure<a name="line.650"></a> -<span class="sourceLineNo">651</span> * to reopen the regions of the table.<a name="line.651"></a> -<span class="sourceLineNo">652</span> */<a name="line.652"></a> -<span class="sourceLineNo">653</span> public MoveRegionProcedure[] createReopenProcedures(final TableName tableName) {<a name="line.653"></a> -<span class="sourceLineNo">654</span> return createReopenProcedures(regionStates.getRegionsOfTable(tableName));<a name="line.654"></a> -<span class="sourceLineNo">655</span> }<a name="line.655"></a> -<span class="sourceLineNo">656</span><a name="line.656"></a> -<span class="sourceLineNo">657</span> public AssignProcedure createAssignProcedure(final HRegionInfo regionInfo,<a name="line.657"></a> -<span class="sourceLineNo">658</span> final boolean forceNewPlan) {<a name="line.658"></a> -<span class="sourceLineNo">659</span> AssignProcedure proc = new AssignProcedure(regionInfo, forceNewPlan);<a name="line.659"></a> -<span class="sourceLineNo">660</span> proc.setOwner(getProcedureEnvironment().getRequestUser().getShortName());<a name="line.660"></a> -<span class="sourceLineNo">661</span> return proc;<a name="line.661"></a> -<span class="sourceLineNo">662</span> }<a name="line.662"></a> -<span class="sourceLineNo">663</span><a name="line.663"></a> -<span class="sourceLineNo">664</span> public AssignProcedure createAssignProcedure(final HRegionInfo regionInfo,<a name="line.664"></a> -<span class="sourceLineNo">665</span> final ServerName targetServer) {<a name="line.665"></a> -<span class="sourceLineNo">666</span> AssignProcedure proc = new AssignProcedure(regionInfo, targetServer);<a name="line.666"></a> -<span class="sourceLineNo">667</span> proc.setOwner(getProcedureEnvironment().getRequestUser().getShortName());<a name="line.667"></a> -<span class="sourceLineNo">668</span> return proc;<a name="line.668"></a> -<span class="sourceLineNo">669</span> }<a name="line.669"></a> -<span class="sourceLineNo">670</span><a name="line.670"></a> -<span class="sourceLineNo">671</span> public UnassignProcedure createUnassignProcedure(final HRegionInfo regionInfo,<a name="line.671"></a> -<span class="sourceLineNo">672</span> final ServerName destinationServer, final boolean force) {<a name="line.672"></a> -<span class="sourceLineNo">673</span> // If destinationServer is null, figure it.<a name="line.673"></a> -<span class="sourceLineNo">674</span> ServerName sn = destinationServer != null? destinationServer:<a name="line.674"></a> -<span class="sourceLineNo">675</span> getRegionStates().getRegionState(regionInfo).getServerName();<a name="line.675"></a> -<span class="sourceLineNo">676</span> assert sn != null;<a name="line.676"></a> -<span class="sourceLineNo">677</span> UnassignProcedure proc = new UnassignProcedure(regionInfo, sn, force);<a name="line.677"></a> -<span class="sourceLineNo">678</span> proc.setOwner(getProcedureEnvironment().getRequestUser().getShortName());<a name="line.678"></a> -<span class="sourceLineNo">679</span> return proc;<a name="line.679"></a> -<span class="sourceLineNo">680</span> }<a name="line.680"></a> -<span class="sourceLineNo">681</span><a name="line.681"></a> -<span class="sourceLineNo">682</span> public MoveRegionProcedure createMoveRegionProcedure(final RegionPlan plan) {<a name="line.682"></a> -<span class="sourceLineNo">683</span> if (plan.getRegionInfo().isSystemTable()) {<a name="line.683"></a> -<span class="sourceLineNo">684</span> List<ServerName> exclude = getExcludedServersForSystemTable();<a name="line.684"></a> -<span class="sourceLineNo">685</span> if (plan.getDestination() != null && exclude.contains(plan.getDestination())) {<a name="line.685"></a> -<span class="sourceLineNo">686</span> try {<a name="line.686"></a> -<span class="sourceLineNo">687</span> LOG.info("Can not move " + plan.getRegionInfo() + " to " + plan.getDestination()<a name="line.687"></a> -<span class="sourceLineNo">688</span> + " because the server is not with highest version");<a name="line.688"></a> -<span class="sourceLineNo">689</span> plan.setDestination(getBalancer().randomAssignment(plan.getRegionInfo(),<a name="line.689"></a> -<span class="sourceLineNo">690</span> this.master.getServerManager().createDestinationServersList(exclude)));<a name="line.690"></a> -<span class="sourceLineNo">691</span> } catch (HBaseIOException e) {<a name="line.691"></a> -<span class="sourceLineNo">692</span> LOG.warn(e);<a name="line.692"></a> -<span class="sourceLineNo">693</span> }<a name="line.693"></a> -<span class="sourceLineNo">694</span> }<a name="line.694"></a> -<span class="sourceLineNo">695</span> }<a name="line.695"></a> -<span class="sourceLineNo">696</span> return new MoveRegionProcedure(getProcedureEnvironment(), plan);<a name="line.696"></a> -<span class="sourceLineNo">697</span> }<a name="line.697"></a> -<span class="sourceLineNo">698</span><a name="line.698"></a> -<span class="sourceLineNo">699</span><a name="line.699"></a> -<span class="sourceLineNo">700</span> public SplitTableRegionProcedure createSplitProcedure(final HRegionInfo regionToSplit,<a name="line.700"></a> -<span class="sourceLineNo">701</span> final byte[] splitKey) throws IOException {<a name="line.701"></a> -<span class="sourceLineNo">702</span> return new SplitTableRegionProcedure(getProcedureEnvironment(), regionToSplit, splitKey);<a name="line.702"></a> -<span class="sourceLineNo">703</span> }<a name="line.703"></a> -<span class="sourceLineNo">704</span><a name="line.704"></a> -<span class="sourceLineNo">705</span> public MergeTableRegionsProcedure createMergeProcedure(final HRegionInfo regionToMergeA,<a name="line.705"></a> -<span class="sourceLineNo">706</span> final HRegionInfo regionToMergeB) throws IOException {<a name="line.706"></a> -<span class="sourceLineNo">707</span> return new MergeTableRegionsProcedure(getProcedureEnvironment(), regionToMergeA,regionToMergeB);<a name="line.707"></a> -<span class="sourceLineNo">708</span> }<a name="line.708"></a> -<span class="sourceLineNo">709</span><a name="line.709"></a> -<span class="sourceLineNo">710</span> /**<a name="line.710"></a> -<span class="sourceLineNo">711</span> * Delete the region states. This is called by "DeleteTable"<a name="line.711"></a> -<span class="sourceLineNo">712</span> */<a name="line.712"></a> -<span class="sourceLineNo">713</span> public void deleteTable(final TableName tableName) throws IOException {<a name="line.713"></a> -<span class="sourceLineNo">714</span> final ArrayList<HRegionInfo> regions = regionStates.getTableRegionsInfo(tableName);<a name="line.714"></a> -<span class="sourceLineNo">715</span> regionStateStore.deleteRegions(regions);<a name="line.715"></a> -<span class="sourceLineNo">716</span> for (int i = 0; i < regions.size(); ++i) {<a name="line.716"></a> -<span class="sourceLineNo">717</span> final HRegionInfo regionInfo = regions.get(i);<a name="line.717"></a> -<span class="sourceLineNo">718</span> // we expect the region to be offline<a name="line.718"></a> -<span class="sourceLineNo">719</span> regionStates.removeFromOfflineRegions(regionInfo);<a name="line.719"></a> -<span class="sourceLineNo">720</span> regionStates.deleteRegion(regionInfo);<a name="line.720"></a> -<span class="sourceLineNo">721</span> }<a name="line.721"></a> -<span class="sourceLineNo">722</span> }<a name="line.722"></a> -<span class="sourceLineNo">723</span><a name="line.723"></a> -<span class="sourceLineNo">724</span> // ============================================================================================<a name="line.724"></a> -<span class="sourceLineNo">725</span> // RS Region Transition Report helpers<a name="line.725"></a> -<span class="sourceLineNo">726</span> // ============================================================================================<a name="line.726"></a> -<span class="sourceLineNo">727</span> // TODO: Move this code in MasterRpcServices and call on specific event?<a name="line.727"></a> -<span class="sourceLineNo">728</span> public ReportRegionStateTransitionResponse reportRegionStateTransition(<a name="line.728"></a> -<span class="sourceLineNo">729</span> final ReportRegionStateTransitionRequest req)<a name="line.729"></a> -<span class="sourceLineNo">730</span> throws PleaseHoldException {<a name="line.730"></a> -<span class="sourceLineNo">731</span> final ReportRegionStateTransitionResponse.Builder builder =<a name="line.731"></a> -<span class="sourceLineNo">732</span> ReportRegionStateTransitionResponse.newBuilder();<a name="line.732"></a> -<span class="sourceLineNo">733</span> final ServerName serverName = ProtobufUtil.toServerName(req.getServer());<a name="line.733"></a> -<span class="sourceLineNo">734</span> try {<a name="line.734"></a> -<span class="sourceLineNo">735</span> for (RegionStateTransition transition: req.getTransitionList()) {<a name="line.735"></a> -<span class="sourceLineNo">736</span> switch (transition.getTransitionCode()) {<a name="line.736"></a> -<span class="sourceLineNo">737</span> case OPENED:<a name="line.737"></a> -<span class="sourceLineNo">738</span> case FAILED_OPEN:<a name="line.738"></a> -<span class="sourceLineNo">739</span> case CLOSED:<a name="line.739"></a> -<span class="sourceLineNo">740</span> assert transition.getRegionInfoCount() == 1 : transition;<a name="line.740"></a> -<span class="sourceLineNo">741</span> final HRegionInfo hri = HRegionInfo.convert(transition.getRegionInfo(0));<a name="line.741"></a> -<span class="sourceLineNo">742</span> updateRegionTransition(serverName, transition.getTransitionCode(), hri,<a name="line.742"></a> -<span class="sourceLineNo">743</span> transition.hasOpenSeqNum() ? transition.getOpenSeqNum() : HConstants.NO_SEQNUM);<a name="line.743"></a> -<span class="sourceLineNo">744</span> break;<a name="line.744"></a> -<span class="sourceLineNo">745</span> case READY_TO_SPLIT:<a name="line.745"></a> -<span class="sourceLineNo">746</span> case SPLIT_PONR:<a name="line.746"></a> -<span class="sourceLineNo">747</span> case SPLIT:<a name="line.747"></a> -<span class="sourceLineNo">748</span> case SPLIT_REVERTED:<a name="line.748"></a> -<span class="sourceLineNo">749</span> assert transition.getRegionInfoCount() == 3 : transition;<a name="line.749"></a> -<span class="sourceLineNo">750</span> final HRegionInfo parent = HRegionInfo.convert(transition.getRegionInfo(0));<a name="line.750"></a> -<span class="sourceLineNo">751</span> final HRegionInfo splitA = HRegionInfo.convert(transition.getRegionInfo(1));<a name="line.751"></a> -<span class="sourceLineNo">752</span> final HRegionInfo splitB = HRegionInfo.convert(transition.getRegionInfo(2));<a name="line.752"></a> -<span class="sourceLineNo">753</span> updateRegionSplitTransition(serverName, transition.getTransitionCode(),<a name="line.753"></a> -<span class="sourceLineNo">754</span> parent, splitA, splitB);<a name="line.754"></a> -<span class="sourceLineNo">755</span> break;<a name="line.755"></a> -<span class="sourceLineNo">756</span> case READY_TO_MERGE:<a name="line.756"></a> -<span class="sourceLineNo">757</span> case MERGE_PONR:<a name="line.757"></a> -<span class="sourceLineNo">758</span> case MERGED:<a name="line.758"></a> -<span class="sourceLineNo">759</span> case MERGE_REVERTED:<a name="line.759"></a> -<span class="sourceLineNo">760</span> assert transition.getRegionInfoCount() == 3 : transition;<a name="line.760"></a> -<span class="sourceLineNo">761</span> final HRegionInfo merged = HRegionInfo.convert(transition.getRegionInfo(0));<a name="line.761"></a> -<span class="sourceLineNo">762</span> final HRegionInfo mergeA = HRegionInfo.convert(transition.getRegionInfo(1));<a name="line.762"></a> -<span class="sourceLineNo">763</span> final HRegionInfo mergeB = HRegionInfo.convert(transition.getRegionInfo(2));<a name="line.763"></a> -<span class="sourceLineNo">764</span> updateRegionMergeTransition(serverName, transition.getTransitionCode(),<a name="line.764"></a> -<span class="sourceLineNo">765</span> merged, mergeA, mergeB);<a name="line.765"></a> -<span class="sourceLineNo">766</span> break;<a name="line.766"></a> -<span class="sourceLineNo">767</span> }<a name="line.767"></a> -<span class="sourceLineNo">768</span> }<a name="line.768"></a> -<span class="sourceLineNo">769</span> } catch (PleaseHoldException e) {<a name="line.769"></a> -<span class="sourceLineNo">770</span> if (LOG.isTraceEnabled()) LOG.trace("Failed transition " + e.getMessage());<a name="line.770"></a> -<span class="sourceLineNo">771</span> throw e;<a name="line.771"></a> -<span class="sourceLineNo">772</span> } catch (UnsupportedOperationException|IOException e) {<a name="line.772"></a> -<span class="sourceLineNo">773</span> // TODO: at the moment we have a single error message and the RS will abort<a name="line.773"></a> -<span class="sourceLineNo">774</span> // if the master says that one of the region transitions failed.<a name="line.774"></a> -<span class="sourceLineNo">775</span> LOG.warn("Failed transition", e);<a name="line.775"></a> -<span class="sourceLineNo">776</span> builder.setErrorMessage("Failed transition " + e.getMessage());<a name="line.776"></a> -<span class="sourceLineNo">777</span> }<a name="line.777"></a> -<span class="sourceLineNo">778</span> return builder.build();<a name="line.778"></a> -<span class="sourceLineNo">779</span> }<a name="line.779"></a> -<span class="sourceLineNo">780</span><a name="line.780"></a> -<span class="sourceLineNo">781</span> private void updateRegionTransition(final ServerName serverName, final TransitionCode state,<a name="line.781"></a> -<span class="sourceLineNo">782</span> final HRegionInfo regionInfo, final long seqId)<a name="line.782"></a> -<span class="sourceLineNo">783</span> throws PleaseHoldException, UnexpectedStateException {<a name="line.783"></a> -<span class="sourceLineNo">784</span> checkFailoverCleanupCompleted(regionInfo);<a name="line.784"></a> -<span class="sourceLineNo">785</span><a name="line.785"></a> -<span class="sourceLineNo">786</span> final RegionStateNode regionNode = regionStates.getRegionNode(regionInfo);<a name="line.786"></a> -<span class="sourceLineNo">787</span> if (regionNode == null) {<a name="line.787"></a> -<span class="sourceLineNo">788</span> // the table/region is gone. maybe a delete, split, merge<a name="line.788"></a> -<span class="sourceLineNo">789</span> throw new UnexpectedStateException(String.format(<a name="line.789"></a> -<span class="sourceLineNo">790</span> "Server %s was trying to transition region %s to %s. but the region was removed.",<a name="line.790"></a> -<span class="sourceLineNo">791</span> serverName, regionInfo, state));<a name="line.791"></a> -<span class="sourceLineNo">792</span> }<a name="line.792"></a> -<span class="sourceLineNo">793</span><a name="line.793"></a> -<span class="sourceLineNo">794</span> if (LOG.isTraceEnabled()) {<a name="line.794"></a> -<span class="sourceLineNo">795</span> LOG.trace(String.format("Update region transition serverName=%s region=%s state=%s",<a name="line.795"></a> -<span class="sourceLineNo">796</span> serverName, regionNode, state));<a name="line.796"></a> -<span class="sourceLineNo">797</span> }<a name="line.797"></a> -<span class="sourceLineNo">798</span><a name="line.798"></a> -<span class="sourceLineNo">799</span> final ServerStateNode serverNode = regionStates.getOrCreateServer(serverName);<a name="line.799"></a> -<span class="sourceLineNo">800</span> if (!reportTransition(regionNode, serverNode, state, seqId)) {<a name="line.800"></a> -<span class="sourceLineNo">801</span> LOG.warn(String.format(<a name="line.801"></a> -<span class="sourceLineNo">802</span> "No procedure for %s. server=%s to transition to %s", regionNode, serverName, state));<a name="line.802"></a> -<span class="sourceLineNo">803</span> }<a name="line.803"></a> -<span class="sourceLineNo">804</span> }<a name="line.804"></a> -<span class="sourceLineNo">805</span><a name="line.805"></a> -<span class="sourceLineNo">806</span> // FYI: regionNode is sometimes synchronized by the caller but not always.<a name="line.806"></a> -<span class="sourceLineNo">807</span> private boolean reportTransition(final RegionStateNode regionNode,<a name="line.807"></a> -<span class="sourceLineNo">808</span> final ServerStateNode serverNode, final TransitionCode state, final long seqId)<a name="line.808"></a> -<span class="sourceLineNo">809</span> throws UnexpectedStateException {<a name="line.809"></a> -<span class="sourceLineNo">810</span> final ServerName serverName = serverNode.getServerName();<a name="line.810"></a> -<span class="sourceLineNo">811</span> synchronized (regionNode) {<a name="line.811"></a> -<span class="sourceLineNo">812</span> final RegionTransitionProcedure proc = regionNode.getProcedure();<a name="line.812"></a> -<span class="sourceLineNo">813</span> if (proc == null) return false;<a name="line.813"></a> +<span class="sourceLineNo">590</span> ProcedureSyncWait.waitForProcedureToCompleteIOE(<a name="line.590"></a> +<span class="sourceLineNo">591</span> master.getMasterProcedureExecutor(), proc.getProcId(), timeout);<a name="line.591"></a> +<span class="sourceLineNo">592</span> return true;<a name="line.592"></a> +<span class="sourceLineNo">593</span> }<a name="line.593"></a> +<span class="sourceLineNo">594</span><a name="line.594"></a> +<span class="sourceLineNo">595</span> // ============================================================================================<a name="line.595"></a> +<span class="sourceLineNo">596</span> // RegionTransition procedures helpers<a name="line.596"></a> +<span class="sourceLineNo">597</span> // ============================================================================================<a name="line.597"></a> +<span class="sourceLineNo">598</span><a name="line.598"></a> +<span class="sourceLineNo">599</span> public AssignProcedure[] createAssignProcedures(final Collection<HRegionInfo> regionInfo) {<a name="line.599"></a> +<span class="sourceLineNo">600</span> return createAssignProcedures(regionInfo, false);<a name="line.600"></a> +<span class="sourceLineNo">601</span> }<a name="line.601"></a> +<span class="sourceLineNo">602</span><a name="line.602"></a> +<span class="sourceLineNo">603</span> public AssignProcedure[] createAssignProcedures(final Collection<HRegionInfo> regionInfo,<a name="line.603"></a> +<span class="sourceLineNo">604</span> final boolean forceNewPlan) {<a name="line.604"></a> +<span class="sourceLineNo">605</span> if (regionInfo.isEmpty()) return null;<a name="line.605"></a> +<span class="sourceLineNo">606</span> final AssignProcedure[] procs = new AssignProcedure[regionInfo.size()];<a name="line.606"></a> +<span class="sourceLineNo">607</span> int index = 0;<a name="line.607"></a> +<span class="sourceLineNo">608</span> for (HRegionInfo hri: regionInfo) {<a name="line.608"></a> +<span class="sourceLineNo">609</span> procs[index++] = createAssignProcedure(hri, forceNewPlan);<a name="line.609"></a> +<span class="sourceLineNo">610</span> }<a name="line.610"></a> +<span class="sourceLineNo">611</span> return procs;<a name="line.611"></a> +<span class="sourceLineNo">612</span> }<a name="line.612"></a> +<span class="sourceLineNo">613</span><a name="line.613"></a> +<span class="sourceLineNo">614</span> // Needed for the following method so it can type the created Array we return<a name="line.614"></a> +<span class="sourceLineNo">615</span> private static final UnassignProcedure [] UNASSIGNED_PROCEDURE_FOR_TYPE_INFO =<a name="line.615"></a> +<span class="sourceLineNo">616</span> new UnassignProcedure[0];<a name="line.616"></a> +<span class="sourceLineNo">617</span><a name="line.617"></a> +<span class="sourceLineNo">618</span> UnassignProcedure[] createUnassignProcedures(final Collection<RegionStateNode> nodes) {<a name="line.618"></a> +<span class="sourceLineNo">619</span> if (nodes.isEmpty()) return null;<a name="line.619"></a> +<span class="sourceLineNo">620</span> final List<UnassignProcedure> procs = new ArrayList<UnassignProcedure>(nodes.size());<a name="line.620"></a> +<span class="sourceLineNo">621</span> for (RegionStateNode node: nodes) {<a name="line.621"></a> +<span class="sourceLineNo">622</span> if (!this.regionStates.include(node, false)) continue;<a name="line.622"></a> +<span class="sourceLineNo">623</span> // Look for regions that are offline/closed; i.e. already unassigned.<a name="line.623"></a> +<span class="sourceLineNo">624</span> if (this.regionStates.isRegionOffline(node.getRegionInfo())) continue;<a name="line.624"></a> +<span class="sourceLineNo">625</span> assert node.getRegionLocation() != null: node.toString();<a name="line.625"></a> +<span class="sourceLineNo">626</span> procs.add(createUnassignProcedure(node.getRegionInfo(), node.getRegionLocation(), false));<a name="line.626"></a> +<span class="sourceLineNo">627</span> }<a name="line.627"></a> +<span class="sourceLineNo">628</span> return procs.toArray(UNASSIGNED_PROCEDURE_FOR_TYPE_INFO);<a name="line.628"></a> +<span class="sourceLineNo">629</span> }<a name="line.629"></a> +<span class="sourceLineNo">630</span><a name="line.630"></a> +<span class="sourceLineNo">631</span> public MoveRegionProcedure[] createReopenProcedures(final Collection<HRegionInfo> regionInfo) {<a name="line.631"></a> +<span class="sourceLineNo">632</span> final MoveRegionProcedure[] procs = new MoveRegionProcedure[regionInfo.size()];<a name="line.632"></a> +<span class="sourceLineNo">633</span> int index = 0;<a name="line.633"></a> +<span class="sourceLineNo">634</span> for (HRegionInfo hri: regionInfo) {<a name="line.634"></a> +<span class="sourceLineNo">635</span> final ServerName serverName = regionStates.getRegionServerOfRegion(hri);<a name="line.635"></a> +<span class="sourceLineNo">636</span> final RegionPlan plan = new RegionPlan(hri, serverName, serverName);<a name="line.636"></a> +<span class="sourceLineNo">637</span> procs[index++] = createMoveRegionProcedure(plan);<a name="line.637"></a> +<span class="sourceLineNo">638</span> }<a name="line.638"></a> +<span class="sourceLineNo">639</span> return procs;<a name="line.639"></a> +<span class="sourceLineNo">640</span> }<a name="line.640"></a> +<span class="sourceLineNo">641</span><a name="line.641"></a> +<span class="sourceLineNo">642</span> /**<a name="line.642"></a> +<span class="sourceLineNo">643</span> * Called by things like EnableTableProcedure to get a list of AssignProcedure<a name="line.643"></a> +<span class="sourceLineNo">644</span> * to assign the regions of the table.<a name="line.644"></a> +<span class="sourceLineNo">645</span> */<a name="line.645"></a> +<span class="sourceLineNo">646</span> public AssignProcedure[] createAssignProcedures(final TableName tableName) {<a name="line.646"></a> +<span class="sourceLineNo">647</span> return createAssignProcedures(regionStates.getRegionsOfTable(tableName));<a name="line.647"></a> +<span class="sourceLineNo">648</span> }<a name="line.648"></a> +<span class="sourceLineNo">649</span><a name="line.649"></a> +<span class="sourceLineNo">650</span> /**<a name="line.650"></a> +<span class="sourceLineNo">651</span> * Called by things like DisableTableProcedure to get a list of UnassignProcedure<a name="line.651"></a> +<span class="sourceLineNo">652</span> * to unassign the regions of the table.<a name="line.652"></a> +<span class="sourceLineNo">653</span> */<a name="line.653"></a> +<span class="sourceLineNo">654</span> public UnassignProcedure[] createUnassignProcedures(final TableName tableName) {<a name="line.654"></a> +<span class="sourceLineNo">655</span> return createUnassignProcedures(regionStates.getTableRegionStateNodes(tableName));<a name="line.655"></a> +<span class="sourceLineNo">656</span> }<a name="line.656"></a> +<span class="sourceLineNo">657</span><a name="line.657"></a> +<span class="sourceLineNo">658</span> /**<a name="line.658"></a> +<span class="sourceLineNo">659</span> * Called by things like ModifyColumnFamilyProcedure to get a list of MoveRegionProcedure<a name="line.659"></a> +<span class="sourceLineNo">660</span> * to reopen the regions of the table.<a name="line.660"></a> +<span class="sourceLineNo">661</span> */<a name="line.661"></a> +<span class="sourceLineNo">662</span> public MoveRegionProcedure[] createReopenProcedures(final TableName tableName) {<a name="line.662"></a> +<span class="sourceLineNo">663</span> return createReopenProcedures(regionStates.getRegionsOfTable(tableName));<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> public AssignProcedure createAssignProcedure(final HRegionInfo regionInfo,<a name="line.666"></a> +<span class="sourceLineNo">667</span> final boolean forceNewPlan) {<a name="line.667"></a> +<span class="sourceLineNo">668</span> AssignProcedure proc = new AssignProcedure(regionInfo, forceNewPlan);<a name="line.668"></a> +<span class="sourceLineNo">669</span> proc.setOwner(getProcedureEnvironment().getRequestUser().getShortName());<a name="line.669"></a> +<span class="sourceLineNo">670</span> return proc;<a name="line.670"></a> +<span class="sourceLineNo">671</span> }<a name="line.671"></a> +<span class="sourceLineNo">672</span><a name="line.672"></a> +<span class="sourceLineNo">673</span> public AssignProcedure createAssignProcedure(final HRegionInfo regionInfo,<a name="line.673"></a> +<span class="sourceLineNo">674</span> final ServerName targetServer) {<a name="line.674"></a> +<span class="sourceLineNo">675</span> AssignProcedure proc = new AssignProcedure(regionInfo, targetServer);<a name="line.675"></a> +<span class="sourceLineNo">676</span> proc.setOwner(getProcedureEnvironment().getRequestUser().getShortName());<a name="line.676"></a> +<span class="sourceLineNo">677</span> return proc;<a name="line.677"></a> +<span class="sourceLineNo">678</span> }<a name="line.678"></a> +<span class="sourceLineNo">679</span><a name="line.679"></a> +<span class="sourceLineNo">680</span> public UnassignProcedure createUnassignProcedure(final HRegionInfo regionInfo,<a name="line.680"></a> +<span class="sourceLineNo">681</span> final ServerName destinationServer, final boolean force) {<a name="line.681"></a> +<span class="sourceLineNo">682</span> // If destinationServer is null, figure it.<a name="line.682"></a> +<span class="sourceLineNo">683</span> ServerName sn = destinationServer != null? destinationServer:<a name="line.683"></a> +<span class="sourceLineNo">684</span> getRegionStates().getRegionState(regionInfo).getServerName();<a name="line.684"></a> +<span class="sourceLineNo">685</span> assert sn != null;<a name="line.685"></a> +<span class="sourceLineNo">686</span> UnassignProcedure proc = new UnassignProcedure(regionInfo, sn, force);<a name="line.686"></a> +<span class="sourceLineNo">687</span> proc.setOwner(getProcedureEnvironment().getRequestUser().getShortName());<a name="line.687"></a> +<span class="sourceLineNo">688</span> return proc;<a name="line.688"></a> +<span class="sourceLineNo">689</span> }<a name="line.689"></a> +<span class="sourceLineNo">690</span><a name="line.690"></a> +<span class="sourceLineNo">691</span> public MoveRegionProcedure createMoveRegionProcedure(final RegionPlan plan) {<a name="line.691"></a> +<span class="sourceLineNo">692</span> if (plan.getRegionInfo().isSystemTable()) {<a name="line.692"></a> +<span class="sourceLineNo">693</span> List<ServerName> exclude = getExcludedServersForSystemTable();<a name="line.693"></a> +<span class="sourceLineNo">694</span> if (plan.getDestination() != null && exclude.contains(plan.getDestination())) {<a name="line.694"></a> +<span class="sourceLineNo">695</span> try {<a name="line.695"></a> +<span class="sourceLineNo">696</span> LOG.info("Can not move " + plan.getRegionInfo() + " to " + plan.getDestination()<a name="line.696"></a> +<span class="sourceLineNo">697</span> + " because the server is not with highest version");<a name="line.697"></a> +<span class="sourceLineNo">698</span> plan.setDestination(getBalancer().randomAssignment(plan.getRegionInfo(),<a name="line.698"></a> +<span class="sourceLineNo">699</span> this.master.getServerManager().createDestinationServersList(exclude)));<a name="line.699"></a> +<span class="sourceLineNo">700</span> } catch (HBaseIOException e) {<a name="line.700"></a> +<span class="sourceLineNo">701</span> LOG.warn(e);<a name="line.701"></a> +<span class="sourceLineNo">702</span> }<a name="line.702"></a> +<span class="sourceLineNo">703</span> }<a name="line.703"></a> +<span class="sourceLineNo">704</span> }<a name="line.704"></a> +<span class="sourceLineNo">705</span> return new MoveRegionProcedure(getProcedureEnvironment(), plan);<a name="line.705"></a> +<span class="sourceLineNo">706</span> }<a name="line.706"></a> +<span class="sourceLineNo">707</span><a name="line.707"></a> +<span class="sourceLineNo">708</span><a name="line.708"></a> +<span class="sourceLineNo">709</span> public SplitTableRegionProcedure createSplitProcedure(final HRegionInfo regionToSplit,<a name="line.709"></a> +<span class="sourceLineNo">710</span> final byte[] splitKey) throws IOException {<a name="line.710"></a> +<span class="sourceLineNo">711</span> return new SplitTableRegionProcedure(getProcedureEnvironment(), regionToSplit, splitKey);<a name="line.711"></a> +<span class="sourceLineNo">712</span> }<a name="line.712"></a> +<span class="sourceLineNo">713</span><a name="line.713"></a> +<span class="sourceLineNo">714</span> public MergeTableRegionsProcedure createMergeProcedure(final HRegionInfo regionToMergeA,<a name="line.714"></a> +<span class="sourceLineNo">715</span> final HRegionInfo regionToMergeB) throws IOException {<a name="line.715"></a> +<span class="sourceLineNo">716</span> return new MergeTableRegionsProcedure(getProcedureEnvironment(), regionToMergeA,regionToMergeB);<a name="line.716"></a> +<span class="sourceLineNo">717</span> }<a name="line.717"></a> +<span class="sourceLineNo">718</span><a name="line.718"></a> +<span class="sourceLineNo">719</span> /**<a name="line.719"></a> +<span class="sourceLineNo">720</span> * Delete the region states. This is called by "DeleteTable"<a name="line.720"></a> +<span class="sourceLineNo">721</span> */<a name="line.721"></a> +<span class="sourceLineNo">722</span> public void deleteTable(final TableName tableName) throws IOException {<a name="line.722"></a> +<span class="sourceLineNo">723</span> final ArrayList<HRegionInfo> regions = regionStates.getTableRegionsInfo(tableName);<a name="line.723"></a> +<span class="sourceLineNo">724</span> regionStateStore.deleteRegions(regions);<a name="line.724"></a> +<span class="sourceLineNo">725</span> for (int i = 0; i < regions.size(); ++i) {<a name="line.725"></a> +<span class="sourceLineNo">726</span> final HRegionInfo regionInfo = regions.get(i);<a name="line.726"></a> +<span class="sourceLineNo">727</span> // we expect the region to be offline<a name="line.727"></a> +<span class="sourceLineNo">728</span> regionStates.removeFromOfflineRegions(regionInfo);<a name="line.728"></a> +<span class="sourceLineNo">729</span> regionStates.deleteRegion(regionInfo);<a name="line.729"></a> +<span class="sourceLineNo">730</span> }<a name="line.730"></a> +<span class="sourceLineNo">731</span> }<a name="line.731"></a> +<span class="sourceLineNo">732</span><a name="line.732"></a> +<span class="sourceLineNo">733</span> // ============================================================================================<a name="line.733"></a> +<span class="sourceLineNo">734</span> // RS Region Transition Report helpers<a name="line.734"></a> +<span class="sourceLineNo">735</span> // ============================================================================================<a name="line.735"></a> +<span class="sourceLineNo">736</span> // TODO: Move this code in MasterRpcServices and call on specific event?<a name="line.736"></a> +<span class="sourceLineNo">737</span> public ReportRegionStateTransitionResponse reportRegionStateTransition(<a name="line.737"></a> +<span class="sourceLineNo">738</span> final ReportRegionStateTransitionRequest req)<a name="line.738"></a> +<span class="sourceLineNo">739</span> throws PleaseHoldException {<a name="line.739"></a> +<span class="sourceLineNo">740</span> final ReportRegionStateTransitionResponse.Builder builder =<a name="line.740"></a> +<span class="sourceLineNo">741</span> ReportRegionStateTransitionResponse.newBuilder();<a name="line.741"></a> +<span class="sourceLineNo">742</span> final ServerName serverName = ProtobufUtil.toServerName(req.getServer());<a name="line.742"></a> +<span class="sourceLineNo">743</span> try {<a name="line.743"></a> +<span class="sourceLineNo">744</span> for (RegionStateTransition transition: req.getTransitionList()) {<a name="line.744"></a> +<span class="sourceLineNo">745</span> switch (transition.getTransitionCode()) {<a name="line.745"></a> +<span class="sourceLineNo">746</span> case OPENED:<a name="line.746"></a> +<span class="sourceLineNo">747</span> case FAILED_OPEN:<a name="line.747"></a> +<span class="sourceLineNo">748</span> case CLOSED:<a name="line.748"></a> +<span class="sourceLineNo">749</span> assert transition.getRegionInfoCount() == 1 : transition;<a name="line.749"></a> +<span class="sourceLineNo">750</span> final HRegionInfo hri = HRegionInfo.convert(transition.getRegionInfo(0));<a name="line.750"></a> +<span class="sourceLineNo">751</span> updateRegionTransition(serverName, transition.getTransitionCode(), hri,<a name="line.751"></a> +<span class="sourceLineNo">752</span> transition.hasOpenSeqNum() ? transition.getOpenSeqNum() : HConstants.NO_SEQNUM);<a name="line.752"></a> +<span class="sourceLineNo">753</span> break;<a name="line.753"></a> +<span class="sourceLineNo">754</span> case READY_TO_SPLIT:<a name="line.754"></a> +<span class="sourceLineNo">755</span> case SPLIT_PONR:<a name="line.755"></a> +<span class="sourceLineNo">756</span> case SPLIT:<a name="line.756"></a> +<span class="sourceLineNo">757</span> case SPLIT_REVERTED:<a name="line.757"></a> +<span class="sourceLineNo">758</span> assert transition.getRegionInfoCount() == 3 : transition;<a name="line.758"></a> +<span class="sourceLineNo">759</span> final HRegionInfo parent = HRegionInfo.convert(transition.getRegionInfo(0));<a name="line.759"></a> +<span class="sourceLineNo">760</span> final HRegionInfo splitA = HRegionInfo.convert(transition.getRegionInfo(1));<a name="line.760"></a> +<span class="sourceLineNo">761</span> final HRegionInfo splitB = HRegionInfo.convert(transition.getRegionInfo(2));<a name="line.761"></a> +<span class="sourceLineNo">762</span> updateRegionSplitTransition(serverName, transition.getTransitionCode(),<a name="line.762"></a> +<span class="sourceLineNo">763</span> parent, splitA, splitB);<a name="line.763"></a> +<span class="sourceLineNo">764</span> break;<a name="line.764"></a> +<span class="sourceLineNo">765</span> case READY_TO_MERGE:<a name="line.765"></a> +<span class="sourceLineNo">766</span> case MERGE_PONR:<a name="line.766"></a> +<span class="sourceLineNo">767</span> case MERGED:<a name="line.767"></a> +<span class="sourceLineNo">768</span> case MERGE_REVERTED:<a name="line.768"></a> +<span class="sourceLineNo">769</span> assert transition.getRegionInfoCount() == 3 : transition;<a name="line.769"></a> +<span class="sourceLineNo">770</span> final HRegionInfo merged = HRegionInfo.convert(transition.getRegionInfo(0));<a name="line.770"></a> +<span class="sourceLineNo">771</span> final HRegionInfo mergeA = HRegionInfo.convert(transition.getRegionInfo(1));<a name="line.771"></a> +<span class="sourceLineNo">772</span> final HRegionInfo mergeB = HRegionInfo.convert(transition.getRegionInfo(2));<a name="line.772"></a> +<span class="sourceLineNo">773</span> updateRegionMergeTransition(serverName, transition.getTransitionCode(),<a name="line.773"></a> +<span class="sourceLineNo">774</span> merged, mergeA, mergeB);<a name="line.774"></a> +<span class="sourceLineNo">775</span> break;<a name="line.775"></a> +<span class="sourceLineNo">776</span> }<a name="line.776"></a> +<span class="sourceLineNo">777</span> }<a name="line.777"></a> +<span class="sourceLineNo">778</span> } catch (PleaseHoldException e) {<a name="line.778"></a> +<span class="sourceLineNo">779</span> if (LOG.isTraceEnabled()) LOG.trace("Failed transition " + e.getMessage());<a name="line.779"></a> +<span class="sourceLineNo">780</span> throw e;<a name="line.780"></a> +<span class="sourceLineNo">781</span> } catch (UnsupportedOperationException|IOException e) {<a name="line.781"></a> +<span class="sourceLineNo">782</span> // TODO: at the moment we have a single error message and the RS will abort<a name="line.782"></a> +<span class="sourceLineNo">783</span> // if the master says that one of the region transitions failed.<a name="line.783"></a> +<span class="sourceLineNo">784</span> LOG.warn("Failed transition", e);<a name="line.784"></a> +<span class="sourceLineNo">785</span> builder.setErrorMessage("Failed transition " + e.getMessage());<a name="line.785"></a> +<span class="sourceLineNo">786</span> }<a name="line.786"></a> +<span class="sourceLineNo">787</span> return builder.build();<a name="line.787"></a> +<span class="sourceLineNo">788</span> }<a name="line.788"></a> +<span class="sourceLineNo">789</span><a name="line.789"></a> +<span class="sourceLineNo">790</span> private void updateRegionTransition(final ServerName serverName, final TransitionCode state,<a name="line.790"></a> +<span class="sourceLineNo">791</span> final HRegionInfo regionInfo, final long seqId)<a name="line.791"></a> +<span class="sourceLineNo">792</span> throws PleaseHoldException, UnexpectedStateException {<a name="line.792"></a> +<span class="sourceLineNo">793</span> checkFailoverCleanupCompleted(regionInfo);<a name="line.793"></a> +<span class="sourceLineNo">794</span><a name="line.794"></a> +<span class="sourceLineNo">795</span> final RegionStateNode regionNode = regionStates.getRegionNode(regionInfo);<a name="line.795"></a> +<span class="sourceLineNo">796</span> if (regionNode == null) {<a name="line.796"></a> +<span class="sourceLineNo">797</span> // the table/region is gone. maybe a delete, split, merge<a name="line.797"></a> +<span class="sourceLineNo">798</span> throw new UnexpectedStateException(String.format(<a name="line.798"></a> +<span class="sourceLineNo">799</span> "Server %s was trying to transition region %s to %s. but the region was removed.",<a name="line.799"></a> +<span class="sourceLineNo">800</span> serverName, regionInfo, state));<a name="line.800"></a> +<span class="sourceLineNo">801</span> }<a name="line.801"></a> +<span class="sourceLineNo">802</span><a name="line.802"></a> +<span class="sourceLineNo">803</span> if (LOG.isTraceEnabled()) {<a name="line.803"></a> +<span class="sourceLineNo">804</span> LOG.trace(String.format("Update region transition serverName=%s region=%s state=%s",<a name="line.804"></a> +<span class="sourceLineNo">805</span> serverName, regionNode, state));<a name="line.805"></a> +<span class="sourceLineNo">806</span> }<a name="line.806"></a> +<span class="sourceLineNo">807</span><a name="line.807"></a> +<span class="sourceLineNo">808</span> final ServerStateNode serverNode = regionStates.getOrCreateServer(serverName);<a name="line.808"></a> +<span class="sourceLineNo">809</span> if (!reportTransition(regionNode, serverNode, state, seqId)) {<a name="line.809"></a> +<span class="sourceLineNo">810</span> LOG.warn(String.format(<a name="line.810"></a> +<span class="sourceLineNo">811</span> "No procedure for %s. server=%s to transition to %s", regionNode, serverName, state));<a name="line.811"></a> +<span class="sourceLineNo">812</span> }<a name="line.812"></a> +<span class="sourceLineNo">813</span> }<a name="line.813"></a> <span class="sourceLineNo">814</span><a name="line.814"></a> -<span class="sourceLineNo">815</span> // serverNode.getReportEvent().removeProcedure(proc);<a name="line.815"></a> -<span class="sourceLineNo">816</span> proc.reportTransition(master.getMasterProcedureExecutor().getEnvironment(),<a name="line.816"></a> -<span class="sourceLineNo">817</span> serverName, state, seqId);<a name="line.817"></a> -<span class="sourceLineNo">818</span> }<a name="line.818"></a> -<span class="sourceLineNo">819</span> return true;<a name="line.819"></a> -<span class="sourceLineNo">820</span> }<a name="line.820"></a> -<span class="sourceLineNo">821</span><a name="line.821"></a> -<span class="sourceLineNo">822</span> private void updateRegionSplitTransition(final ServerName serverName, final TransitionCode state,<a name="line.822"></a> -<span class="sourceLineNo">823</span> final HRegionInfo parent, final HRegionInfo hriA, final HRegionInfo hriB)<a name="line.823"></a> -<span class="sourceLineNo">824</span> throws IOException {<a name="line.824"></a> -<span class="sourceLineNo">825</span> checkFailoverCleanupCompleted(parent);<a name="line.825"></a> -<span class="sourceLineNo">826</span><a name="line.826"></a> -<span class="sourceLineNo">827</span> if (state != TransitionCode.READY_TO_SPLIT) {<a name="line.827"></a> -<span class="sourceLineNo">828</span> throw new UnexpectedStateException("unsupported split state=" + state +<a name="line.828"></a> -<span class="sourceLineNo">829</span> " for parent region " + parent +<a name="line.829"></a> -<span class="sourceLineNo">830</span> " maybe an old RS (< 2.0) had the operation in progress");<a name="line.830"></a> -<span class="sourceLineNo">831</span> }<a name="line.831"></a> -<span class="sourceLineNo">832</span><a name="line.832"></a> -<span class="sourceLineNo">833</span> // sanity check on the request<a name="line.833"></a> -<span class="sourceLineNo">834</span> if (!Bytes.equals(hriA.getEndKey(), hriB.getStartKey())) {<a name="line.834"></a> -<span class="sourceLineNo">835</span> throw new UnsupportedOperationException(<a name="line.835"></a> -<span class="sourceLineNo">836</span> "unsupported split request with bad keys: parent=" + parent +<a name="line.836"></a> -<span class="sourceLineNo">837</span> " hriA=" + hriA + " hriB=" + hriB);<a name="line.837"></a> -<span class="sourceLineNo">838</span> }<a name="line.838"></a> -<span class="sourceLineNo">839</span><a name="line.839"></a> -<span class="sourceLineNo">840</span> // Submit the Split procedure<a name="line.840"></a> -<span class="sourceLineNo">841</span> final byte[] splitKey = hriB.getStartKey();<a name="line.841"></a> -<span class="sourceLineNo">842</span> if (LOG.isDebugEnabled()) {<a name="line.842"></a> -<span class="sourceLineNo">843</span> LOG.debug("Split request from " + serverName +<a name="line.843"></a> -<span class="sourceLineNo">844</span> ", parent=" + parent + " splitKey=" + Bytes.toStringBinary(splitKey));<a name="line.844"></a> -<span class="sourceLineNo">845</span> }<a name="line.845"></a> -<span class="sourceLineNo">846</span> master.getMasterProcedureExecutor().submitProcedure(createSplitProcedure(parent, splitKey));<a name="line.846"></a> -<span class="sourceLineNo">847</span><a name="line.847"></a> -<span class="sourceLineNo">848</span> // If the RS is < 2.0 throw an exception to abort the operation, we are handling the split<a name="line.848"></a> -<span class="sourceLineNo">849</span> if (regionStates.getOrCreateServer(serverName).getVersionNumber() < 0x0200000) {<a name="line.849"></a> -<span class="sourceLineNo">850</span> throw new UnsupportedOperationException(String.format(<a name="line.850"></a> -<span class="sourceLineNo">851</span> "Split handled by the master: parent=%s hriA=%s hriB=%s", parent.getShortNameToLog(), hriA, hriB));<a name="line.851"></a> -<span class="sourceLineNo">852</span> }<a name="line.852"></a> -<span class="sourceLineNo">853</span> }<a name="line.853"></a> -<span class="sourceLineNo">854</span><a name="line.854"></a> -<span class="sourceLineNo">855</span> private void updateRegionMergeTransition(final ServerName serverName, final TransitionCode state,<a name="line.855"></a> -<span class="sourceLineNo">856</span> final HRegionInfo merged, final HRegionInfo hriA, final HRegionInfo hriB) throws IOException {<a name="line.856"></a> -<span class="sourceLineNo">857</span> checkFailoverCleanupCompleted(merged);<a name="line.857"></a> -<span class="sourceLineNo">858</span><a name="line.858"></a> -<span class="sourceLineNo">859</span> if (state != TransitionCode.READY_TO_MERGE) {<a name="line.859"></a> -<span class="sourceLineNo">860</span> throw new UnexpectedStateException("Unsupported merge state=" + state +<a name="line.860"></a> -<span class="sourceLineNo">861</span> " for regionA=" + hriA + " regionB=" + hriB + " merged=" + merged +<a name="line.861"></a> -<span class="sourceLineNo">862</span> " maybe an old RS (< 2.0) had the operation in progress");<a name="line.862"></a> -<span class="sourceLineNo">863</span> }<a name="line.863"></a> -<span class="sourceLineNo">864</span><a name="line.864"></a> -<span class="sourceLineNo">865</span> // Submit the Merge procedure<a name="line.865"></a> -<span class="sourceLineNo">866</span> if (LOG.isDebugEnabled()) {<a name="line.866"></a> -<span class="sourceLineNo">867</span> LOG.debug("Handling merge request from RS=" + merged + ", merged=" + merged);<a name="line.867"></a> -<span class="sourceLineNo">868</span> }<a name="line.868"></a> -<span class="sourceLineNo">869</span> master.getMasterProcedureExecutor().submitProcedure(createMergeProcedure(hriA, hriB));<a name="line.869"></a> -<span class="sourceLineNo">870</span><a name="line.870"></a> -<span class="sourceLineNo">871</span> // If the RS is < 2.0 throw an exception to abort the operation, we are handling the merge<a name="line.871"></a> -<span class="sourceLineNo">872</span> if (regionStates.getOrCreateServer(serverName).getVersionNumber() < 0x0200000) {<a name="line.872"></a> -<span class="sourceLineNo">873</span> throw new UnsupportedOperationException(String.format(<a name="line.873"></a> -<span class="sourceLineNo">874</span> "Merge not handled yet: state=%s merged=%s hriA=%s hriB=%s", state, merged, hriA, hriB));<a name="line.874"></a> -<span class="sourceLineNo">875</span> }<a name="line.875"></a> -<span class="sourceLineNo">876</span> }<a name="line.876"></a> -<span class="sourceLineNo">877</span><a name="line.877"></a> -<span class="sourceLineNo">878</span> // ============================================================================================<a name="line.878"></a> -<span class="sourceLineNo">879</span> // RS Status update (report online regions) helpers<a name="line.879"></a> -<span class="sourceLineNo">880</span> // ============================================================================================<a name="line.880"></a> -<span class="sourceLineNo">881</span> /**<a name="line.881"></a> -<span class="sourceLineNo">882</span> * the master will call this method when the RS send the regionServerReport().<a name="line.882"></a> -<span class="sourceLineNo">883</span> * the report will contains the "hbase version" and the "online regions".<a name="line.883"></a> -<span class="sourceLineNo">884</span> * this method will check the the online regions against the in-memory state of the AM,<a name="line.884"></a> -<span class="sourceLineNo">885</span> * if there is a mismatch we will try to fence out the RS with the assumption<a name="line.885"></a> -<span class="sourceLineNo">886</span> * that something went wrong on the RS side.<a name="line.886"></a> -<span class="sourceLineNo">887</span> */<a name="line.887"></a> -<span class="sourceLineNo">888</span> public void reportOnlineRegions(final ServerName serverName,<a name="line.888"></a> -<span class="sourceLineNo">889</span> final int versionNumber, final Set<byte[]> regionNames) {<a name="line.889"></a> -<span class="sourceLineNo">890</span> if (!isRunning()) return;<a name="line.890"></a> -<span class="sourceLineNo">891</span> if (LOG.isTraceEnabled()) {<a name="line.891"></a> -<span class="sourceLineNo">892</span> LOG.trace("ReportOnlineRegions " + serverName + " regionCount=" + regionNames.size() +<a name="line.892"></a> -<span class="sourceLineNo">893</span> ", metaLoaded=" + isMetaLoaded() + " " +<a name="line.893"></a> -<span class="sourceLineNo">894</span> regionNames.stream().map(element -> Bytes.toStringBinary(element)).<a name="line.894"></a> -<span class="sourceLineNo">895</span> collect(Collectors.toList()));<a name="line.895"></a> -<span class="sourceLineNo">896</span> }<a name="line.896"></a> -<span class="sourceLineNo">897</span><a name="line.897"></a> -<span class="sourceLineNo">898</span> final ServerStateNode serverNode = regionStates.getOrCreateServer(serverName);<a name="line.898"></a> -<span class="sourceLineNo">899</span><a name="line.899"></a> -<span class="sourceLineNo">900</span> // update the server version number. This will be used for live upgrades.<a name="line.900"></a> -<span class="sourceLineNo">901</span> synchronized (serverNode) {<a name="line.901"></a> -<span class="sourceLineNo">902</span> serverNode.setVersionNumber(versionNumber);<a name="line.902"></a> -<span class="sourceLineNo">903</span> if (serverNode.isInState(ServerState.SPLITTING, ServerState.OFFLINE)) {<a name="line.903"></a> -<span class="sourceLineNo">904</span> LOG.warn("Got a report from a server result in state " + serverNode.getState());<a name="line.904"></a> -<span class="sourceLineNo">905</span> return;<a name="line.905"></a> -<span class="sourceLineNo">906</span> }<a name="line.906"></a> -<span class="sourceLineNo">907</span> }<a name="line.907"></a> +<span class="sourceLineNo">815</span> // FYI: regionNode is sometimes synchronized by the caller but not always.<a name="line.815"></a> +<span class="sourceLineNo">816</span> private boolean reportTransition(final RegionStateNode regionNode,<a name="line.816"></a> +<span class="sourceLineNo">817</span> final ServerStateNode serverNode, final TransitionCode state, final long seqId)<a name="line.817"></a> +<span class="sourceLineNo">818</span> throws UnexpectedStateException {<a name="line.818"></a> +<span class="sourceLineNo">819</span> final ServerName serverName = serverNode.getServerName();<a name="line.819"></a> +<span class="sourceLineNo">820</span> synchronized (regionNode) {<a name="line.820"></a> +<span class="sourceLineNo">821</span> final RegionTransitionProcedure proc = regionNode.getProcedure();<a name="line.821"></a> +<span class="sourceLineNo">822</span> if (proc == null) return false;<a name="line.822"></a> +<span class="sourceLineNo">823</span><a name="line.823"></a> +<span class="sourceLineNo">824</span> // serverNode.getReportEvent().removeProcedure(proc);<a name="line.824"></a> +<span class="sourceLineNo">825</span> proc.reportTransition(master.getMasterProcedureExecutor().getEnvironment(),<a name="line.825"></a> +<span class="sourceLineNo">826</span> serverName, state, seqId);<a name="line.826"></a> +<span class="sourceLineNo">827</span> }<a name="line.827"></a> +<span class="sourceLineNo">828</span> return true;<a name="line.828"></a> +<span class="sourceLineNo">829</span> }<a name="line.829"></a> +<span class="sourceLineNo">830</span><a name="line.830"></a> +<span class="sourceLineNo">831</span> private void updateRegionSplitTransition(final ServerName serverName, final TransitionCode state,<a name="line.831"></a> +<span class="sourceLineNo">832</span> final HRegionInfo parent, final HRegionInfo hriA, final HRegionInfo hriB)<a name="line.832"></a> +<span class="sourceLineNo">833</span> throws IOException {<a name="line.833"></a> +<span class="sourceLineNo">834</span> checkFailoverCleanupCompleted(parent);<a name="line.834"></a> +<span class="sourceLineNo">835</span><a name="line.835"></a> +<span class="sourceLineNo">836</span> if (state != TransitionCode.READY_TO_SPLIT) {<a name="line.836"></a> +<span class="sourceLineNo">837</span> throw new UnexpectedStateException("unsupported split state=" + state +<a name="line.837"></a> +<span class="sourceLineNo">838</span> " for parent region " + parent +<a name="line.838"></a> +<span class="sourceLineNo">839</span> " maybe an old RS (< 2.0) had the operation in progress");<a name="line.839"></a> +<span class="sourceLineNo">840</span> }<a name="line.840"></a> +<span class="sourceLineNo">841</span><a name="line.841"></a> +<span class="sourceLineNo">842</span> // sanity check on the request<a name="line.842"></a> +<span class="sourceLineNo">843</span> if (!Bytes.equals(hriA.getEndKey(), hriB.getStartKey())) {<a name="line.843"></a> +<span class="sourceLineNo">844</span> throw new UnsupportedOperationException(<a name="line.844"></a> +<span class="sourceLineNo">845</span> "unsupported split request with bad keys: parent=" + parent +<a name="line.845"></a> +<span class="sourceLineNo">846</span> " hriA=" + hriA + " hriB=" + hriB);<a name="line.846"></a> +<span class="sourceLineNo">847</span> }<a name="line.847"></a> +<span class="sourceLineNo">848</span><a name="line.848"></a> +<span class="sourceLineNo">849</span> // Submit the Split procedure<a name="line.849"></a> +<span class="sourceLineNo">850</span> final byte[] splitKey = hriB.getStartKey();<a name="line.850"></a> +<span class="sourceLineNo">851</span> if (LOG.isDebugEnabled()) {<a name="line.851"></a> +<span class="sourceLineNo">852</span> LOG.debug("Split request from " + serverName +<a name="line.852"></a> +<span class="sourceLineNo">853</span> ", parent=" + parent + " splitKey=" + Bytes.toStringBinary(splitKey));<a name="line.853"></a> +<span class="sourceLineNo">854</span> }<a name="line.854"></a> +<span class="sourceLineNo">855</span> master.getMasterProcedureExecutor().submitProcedure(createSplitProcedure(parent, splitKey));<a name="line.855"></a> +<span class="sourceLineNo">856</span><a name="line.856"></a> +<span class="sourceLineNo">857</span> // If the RS is < 2.0 throw an exception to abort the operation, we are handling the split<a name="line.857"></a> +<span class="sourceLineNo">858</span> if (regionStates.getOrCreateServer(serverName).getVersionNumber() < 0x0200000) {<a name="line.858"></a> +<span class="sourceLineNo">859</span> throw new UnsupportedOperationException(String.format(<a name="line.859"></a> +<span class="sourceLineNo">860</span> "Split handled by the master: parent=%s hriA=%s hriB=%s", parent.getShortNameToLog(), hriA, hriB));<a name="line.860"></a> +<span class="sourceLineNo">861</span> }<a name="line.861"></a> +<span class="sourceLineNo">862</span> }<a name="line.862"></a> +<span class="sourceLineNo">863</span><a name="line.863"></a> +<span class="sourceLineNo">864</span> private void updateRegionMergeTransition(final ServerName serverName, final TransitionCode state,<a name="line.864"></a> +<span class="sourceLineNo">865</span> final HRegionInfo merged, final HRegionInfo hriA, final HRegionInfo hriB) throws IOException {<a name="line.865"></a> +<span class="sourceLineNo">866</span> checkFailoverCleanupCompleted(merged);<a name="line.866"></a> +<span class="sourceLineNo">867</span><a name="line.867"></a> +<span class="sourceLineNo">868</span> if (state != TransitionCode.READY_TO_MERGE) {<a name="line.868"></a> +<span class="sourceLineNo">869</span> throw new UnexpectedStateException("Unsupported merge state=" + state +<a name="line.869"></a> +<span class="sourceLineNo">870</span> " for regionA=" + hriA + " regionB=" + hriB + " merged=" + merged +<a name="line.870"></a> +<span class="sourceLineNo">871</span> " maybe an old RS (< 2.0) had the operation in progress");<a name="line.871"></a> +<span class="sourceLineNo">872</span> }<a name="line.872"></a> +<span class="sourceLineNo">873</span><a name="line.873"></a> +<span class="sourceLineNo">874</span> // Submit the Merge procedure<a name="line.874"></a> +<span class="sourceLineNo">875</span> if (LOG.isDebugEnabled()) {<a name="line.875"></a> +<span class="sourceLineNo">876</span> LOG.debug("Handling merge request from RS=" + merged + ", merged=" + merged);<a name="line.876"></a> +<span class="sourceLineNo">877</span> }<a name="line.877"></a> +<span class="sourceLineNo">878</span> master.getMasterProcedureExecutor().submitProcedure(createMergeProcedure(hriA, hriB));<a name="line.878"></a> +<span class="sourceLineNo">879</span><a name="line.879"></a> +<span class="sourceLineNo">880</span> // If the RS is < 2.0 throw an exception to abort the operation, we are handling the merge<a name="line.880"></a> +<span class="sourceLineNo">881</span> if (regionStates.getOrCreateServer(serverName).getVersionNumber() < 0x0200000) {<a name="line.881"></a> +<span class="sourceLineNo">882</span> throw new UnsupportedOperationException(String.format(<a name="line.882"></a> +<span class="sourceLineNo">883</span> "Merge not handled yet: state=%s merged=%s hriA=%s hriB=%s", state, merged, hriA, hriB));<a name="line.883"></a> +<span class="sourceLineNo">884</span> }<a name="line.884"></a> +<span class="sourceLineNo">885</span> }<a name="line.885"></a> +<span class="sourceLineNo">886</span><a name="line.886"></a> +<span class="sourceLineNo">887</span> // ============================================================================================<a name="line.887"></a> +<span class="sourceLineNo">888</span> // RS Status update (report online regions) helpers<a name="line.888"></a> +<span class="sourceLineNo">889</span> // ============================================================================================<a name="line.889"></a> +<span class="sourceLineNo">890</span> /**<a name="line.890"></a> +<span class="sourceLineNo">891</span> * the master will call this method when the RS send the regionServerReport().<a name="line.891"></a> +<span class="sourceLineNo">892</span> * the report will contains the "hbase version" and the "online regions".<a name="line.892"></a> +<span class="sourceLineNo">893</span> * this method will check the the online regions against the in-memory state of the AM,<a name="line.893"></a> +<span class="sourceLineNo">894</span> * if there is a mismatch we will try to fence out the RS with the assumption<a name="line.894"></a> +<span class="sourceLineNo">895</span> * that something went wrong on the RS side.<a name="line.895"></a> +<span class="sourceLineNo">89
<TRUNCATED>
