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Posted to commits@hbase.apache.org by gi...@apache.org on 2018/01/30 15:18:37 UTC
[29/44] hbase-site git commit: Published site at .
http://git-wip-us.apache.org/repos/asf/hbase-site/blob/a3fb6d74/devapidocs/src-html/org/apache/hadoop/hbase/master/assignment/AssignmentManager.RegionInTransitionChore.html
----------------------------------------------------------------------
diff --git a/devapidocs/src-html/org/apache/hadoop/hbase/master/assignment/AssignmentManager.RegionInTransitionChore.html b/devapidocs/src-html/org/apache/hadoop/hbase/master/assignment/AssignmentManager.RegionInTransitionChore.html
index e2f4a39..b49f000 100644
--- a/devapidocs/src-html/org/apache/hadoop/hbase/master/assignment/AssignmentManager.RegionInTransitionChore.html
+++ b/devapidocs/src-html/org/apache/hadoop/hbase/master/assignment/AssignmentManager.RegionInTransitionChore.html
@@ -457,1482 +457,1468 @@
<span class="sourceLineNo">449</span> return metaLoadEvent.isReady();<a name="line.449"></a>
<span class="sourceLineNo">450</span> }<a name="line.450"></a>
<span class="sourceLineNo">451</span><a name="line.451"></a>
-<span class="sourceLineNo">452</span> // ============================================================================================<a name="line.452"></a>
-<span class="sourceLineNo">453</span> // TODO: Sync helpers<a name="line.453"></a>
-<span class="sourceLineNo">454</span> // ============================================================================================<a name="line.454"></a>
-<span class="sourceLineNo">455</span> public void assignMeta(final RegionInfo metaRegionInfo) throws IOException {<a name="line.455"></a>
-<span class="sourceLineNo">456</span> assignMeta(metaRegionInfo, null);<a name="line.456"></a>
-<span class="sourceLineNo">457</span> }<a name="line.457"></a>
-<span class="sourceLineNo">458</span><a name="line.458"></a>
-<span class="sourceLineNo">459</span> public void assignMeta(final RegionInfo metaRegionInfo, final ServerName serverName)<a name="line.459"></a>
-<span class="sourceLineNo">460</span> throws IOException {<a name="line.460"></a>
-<span class="sourceLineNo">461</span> assert isMetaRegion(metaRegionInfo) : "unexpected non-meta region " + metaRegionInfo;<a name="line.461"></a>
-<span class="sourceLineNo">462</span> AssignProcedure proc;<a name="line.462"></a>
-<span class="sourceLineNo">463</span> if (serverName != null) {<a name="line.463"></a>
-<span class="sourceLineNo">464</span> LOG.debug("Try assigning Meta " + metaRegionInfo + " to " + serverName);<a name="line.464"></a>
-<span class="sourceLineNo">465</span> proc = createAssignProcedure(metaRegionInfo, serverName);<a name="line.465"></a>
-<span class="sourceLineNo">466</span> } else {<a name="line.466"></a>
-<span class="sourceLineNo">467</span> LOG.debug("Assigning " + metaRegionInfo.getRegionNameAsString());<a name="line.467"></a>
-<span class="sourceLineNo">468</span> proc = createAssignProcedure(metaRegionInfo);<a name="line.468"></a>
-<span class="sourceLineNo">469</span> }<a name="line.469"></a>
-<span class="sourceLineNo">470</span> ProcedureSyncWait.submitAndWaitProcedure(master.getMasterProcedureExecutor(), proc);<a name="line.470"></a>
-<span class="sourceLineNo">471</span> }<a name="line.471"></a>
-<span class="sourceLineNo">472</span><a name="line.472"></a>
-<span class="sourceLineNo">473</span> /**<a name="line.473"></a>
-<span class="sourceLineNo">474</span> * Start a new thread to check if there are region servers whose versions are higher than others.<a name="line.474"></a>
-<span class="sourceLineNo">475</span> * If so, move all system table regions to RS with the highest version to keep compatibility.<a name="line.475"></a>
-<span class="sourceLineNo">476</span> * The reason is, RS in new version may not be able to access RS in old version when there are<a name="line.476"></a>
-<span class="sourceLineNo">477</span> * some incompatible changes.<a name="line.477"></a>
-<span class="sourceLineNo">478</span> */<a name="line.478"></a>
-<span class="sourceLineNo">479</span> public void checkIfShouldMoveSystemRegionAsync() {<a name="line.479"></a>
-<span class="sourceLineNo">480</span> new Thread(() -> {<a name="line.480"></a>
-<span class="sourceLineNo">481</span> try {<a name="line.481"></a>
-<span class="sourceLineNo">482</span> synchronized (checkIfShouldMoveSystemRegionLock) {<a name="line.482"></a>
-<span class="sourceLineNo">483</span> List<RegionPlan> plans = new ArrayList<>();<a name="line.483"></a>
-<span class="sourceLineNo">484</span> for (ServerName server : getExcludedServersForSystemTable()) {<a name="line.484"></a>
-<span class="sourceLineNo">485</span> if (master.getServerManager().isServerDead(server)) {<a name="line.485"></a>
-<span class="sourceLineNo">486</span> // TODO: See HBASE-18494 and HBASE-18495. Though getExcludedServersForSystemTable()<a name="line.486"></a>
-<span class="sourceLineNo">487</span> // considers only online servers, the server could be queued for dead server<a name="line.487"></a>
-<span class="sourceLineNo">488</span> // processing. As region assignments for crashed server is handled by<a name="line.488"></a>
-<span class="sourceLineNo">489</span> // ServerCrashProcedure, do NOT handle them here. The goal is to handle this through<a name="line.489"></a>
-<span class="sourceLineNo">490</span> // regular flow of LoadBalancer as a favored node and not to have this special<a name="line.490"></a>
-<span class="sourceLineNo">491</span> // handling.<a name="line.491"></a>
-<span class="sourceLineNo">492</span> continue;<a name="line.492"></a>
-<span class="sourceLineNo">493</span> }<a name="line.493"></a>
-<span class="sourceLineNo">494</span> List<RegionInfo> regionsShouldMove = getCarryingSystemTables(server);<a name="line.494"></a>
-<span class="sourceLineNo">495</span> if (!regionsShouldMove.isEmpty()) {<a name="line.495"></a>
-<span class="sourceLineNo">496</span> for (RegionInfo regionInfo : regionsShouldMove) {<a name="line.496"></a>
-<span class="sourceLineNo">497</span> // null value for dest forces destination server to be selected by balancer<a name="line.497"></a>
-<span class="sourceLineNo">498</span> RegionPlan plan = new RegionPlan(regionInfo, server, null);<a name="line.498"></a>
-<span class="sourceLineNo">499</span> if (regionInfo.isMetaRegion()) {<a name="line.499"></a>
-<span class="sourceLineNo">500</span> // Must move meta region first.<a name="line.500"></a>
-<span class="sourceLineNo">501</span> moveAsync(plan);<a name="line.501"></a>
-<span class="sourceLineNo">502</span> } else {<a name="line.502"></a>
-<span class="sourceLineNo">503</span> plans.add(plan);<a name="line.503"></a>
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-<span class="sourceLineNo">505</span> }<a name="line.505"></a>
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-<span class="sourceLineNo">507</span> for (RegionPlan plan : plans) {<a name="line.507"></a>
-<span class="sourceLineNo">508</span> moveAsync(plan);<a name="line.508"></a>
-<span class="sourceLineNo">509</span> }<a name="line.509"></a>
-<span class="sourceLineNo">510</span> }<a name="line.510"></a>
-<span class="sourceLineNo">511</span> }<a name="line.511"></a>
-<span class="sourceLineNo">512</span> } catch (Throwable t) {<a name="line.512"></a>
-<span class="sourceLineNo">513</span> LOG.error(t.toString(), t);<a name="line.513"></a>
-<span class="sourceLineNo">514</span> }<a name="line.514"></a>
-<span class="sourceLineNo">515</span> }).start();<a name="line.515"></a>
+<span class="sourceLineNo">452</span> /**<a name="line.452"></a>
+<span class="sourceLineNo">453</span> * Start a new thread to check if there are region servers whose versions are higher than others.<a name="line.453"></a>
+<span class="sourceLineNo">454</span> * If so, move all system table regions to RS with the highest version to keep compatibility.<a name="line.454"></a>
+<span class="sourceLineNo">455</span> * The reason is, RS in new version may not be able to access RS in old version when there are<a name="line.455"></a>
+<span class="sourceLineNo">456</span> * some incompatible changes.<a name="line.456"></a>
+<span class="sourceLineNo">457</span> */<a name="line.457"></a>
+<span class="sourceLineNo">458</span> public void checkIfShouldMoveSystemRegionAsync() {<a name="line.458"></a>
+<span class="sourceLineNo">459</span> new Thread(() -> {<a name="line.459"></a>
+<span class="sourceLineNo">460</span> try {<a name="line.460"></a>
+<span class="sourceLineNo">461</span> synchronized (checkIfShouldMoveSystemRegionLock) {<a name="line.461"></a>
+<span class="sourceLineNo">462</span> List<RegionPlan> plans = new ArrayList<>();<a name="line.462"></a>
+<span class="sourceLineNo">463</span> for (ServerName server : getExcludedServersForSystemTable()) {<a name="line.463"></a>
+<span class="sourceLineNo">464</span> if (master.getServerManager().isServerDead(server)) {<a name="line.464"></a>
+<span class="sourceLineNo">465</span> // TODO: See HBASE-18494 and HBASE-18495. Though getExcludedServersForSystemTable()<a name="line.465"></a>
+<span class="sourceLineNo">466</span> // considers only online servers, the server could be queued for dead server<a name="line.466"></a>
+<span class="sourceLineNo">467</span> // processing. As region assignments for crashed server is handled by<a name="line.467"></a>
+<span class="sourceLineNo">468</span> // ServerCrashProcedure, do NOT handle them here. The goal is to handle this through<a name="line.468"></a>
+<span class="sourceLineNo">469</span> // regular flow of LoadBalancer as a favored node and not to have this special<a name="line.469"></a>
+<span class="sourceLineNo">470</span> // handling.<a name="line.470"></a>
+<span class="sourceLineNo">471</span> continue;<a name="line.471"></a>
+<span class="sourceLineNo">472</span> }<a name="line.472"></a>
+<span class="sourceLineNo">473</span> List<RegionInfo> regionsShouldMove = getCarryingSystemTables(server);<a name="line.473"></a>
+<span class="sourceLineNo">474</span> if (!regionsShouldMove.isEmpty()) {<a name="line.474"></a>
+<span class="sourceLineNo">475</span> for (RegionInfo regionInfo : regionsShouldMove) {<a name="line.475"></a>
+<span class="sourceLineNo">476</span> // null value for dest forces destination server to be selected by balancer<a name="line.476"></a>
+<span class="sourceLineNo">477</span> RegionPlan plan = new RegionPlan(regionInfo, server, null);<a name="line.477"></a>
+<span class="sourceLineNo">478</span> if (regionInfo.isMetaRegion()) {<a name="line.478"></a>
+<span class="sourceLineNo">479</span> // Must move meta region first.<a name="line.479"></a>
+<span class="sourceLineNo">480</span> moveAsync(plan);<a name="line.480"></a>
+<span class="sourceLineNo">481</span> } else {<a name="line.481"></a>
+<span class="sourceLineNo">482</span> plans.add(plan);<a name="line.482"></a>
+<span class="sourceLineNo">483</span> }<a name="line.483"></a>
+<span class="sourceLineNo">484</span> }<a name="line.484"></a>
+<span class="sourceLineNo">485</span> }<a name="line.485"></a>
+<span class="sourceLineNo">486</span> for (RegionPlan plan : plans) {<a name="line.486"></a>
+<span class="sourceLineNo">487</span> moveAsync(plan);<a name="line.487"></a>
+<span class="sourceLineNo">488</span> }<a name="line.488"></a>
+<span class="sourceLineNo">489</span> }<a name="line.489"></a>
+<span class="sourceLineNo">490</span> }<a name="line.490"></a>
+<span class="sourceLineNo">491</span> } catch (Throwable t) {<a name="line.491"></a>
+<span class="sourceLineNo">492</span> LOG.error(t.toString(), t);<a name="line.492"></a>
+<span class="sourceLineNo">493</span> }<a name="line.493"></a>
+<span class="sourceLineNo">494</span> }).start();<a name="line.494"></a>
+<span class="sourceLineNo">495</span> }<a name="line.495"></a>
+<span class="sourceLineNo">496</span><a name="line.496"></a>
+<span class="sourceLineNo">497</span> private List<RegionInfo> getCarryingSystemTables(ServerName serverName) {<a name="line.497"></a>
+<span class="sourceLineNo">498</span> Set<RegionStateNode> regions = this.getRegionStates().getServerNode(serverName).getRegions();<a name="line.498"></a>
+<span class="sourceLineNo">499</span> if (regions == null) {<a name="line.499"></a>
+<span class="sourceLineNo">500</span> return new ArrayList<>();<a name="line.500"></a>
+<span class="sourceLineNo">501</span> }<a name="line.501"></a>
+<span class="sourceLineNo">502</span> return regions.stream()<a name="line.502"></a>
+<span class="sourceLineNo">503</span> .map(RegionStateNode::getRegionInfo)<a name="line.503"></a>
+<span class="sourceLineNo">504</span> .filter(r -> r.getTable().isSystemTable())<a name="line.504"></a>
+<span class="sourceLineNo">505</span> .collect(Collectors.toList());<a name="line.505"></a>
+<span class="sourceLineNo">506</span> }<a name="line.506"></a>
+<span class="sourceLineNo">507</span><a name="line.507"></a>
+<span class="sourceLineNo">508</span> public void assign(final RegionInfo regionInfo, ServerName sn) throws IOException {<a name="line.508"></a>
+<span class="sourceLineNo">509</span> AssignProcedure proc = createAssignProcedure(regionInfo, sn);<a name="line.509"></a>
+<span class="sourceLineNo">510</span> ProcedureSyncWait.submitAndWaitProcedure(master.getMasterProcedureExecutor(), proc);<a name="line.510"></a>
+<span class="sourceLineNo">511</span> }<a name="line.511"></a>
+<span class="sourceLineNo">512</span><a name="line.512"></a>
+<span class="sourceLineNo">513</span> public void assign(final RegionInfo regionInfo) throws IOException {<a name="line.513"></a>
+<span class="sourceLineNo">514</span> AssignProcedure proc = createAssignProcedure(regionInfo);<a name="line.514"></a>
+<span class="sourceLineNo">515</span> ProcedureSyncWait.submitAndWaitProcedure(master.getMasterProcedureExecutor(), proc);<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> private List<RegionInfo> getCarryingSystemTables(ServerName serverName) {<a name="line.518"></a>
-<span class="sourceLineNo">519</span> Set<RegionStateNode> regions = this.getRegionStates().getServerNode(serverName).getRegions();<a name="line.519"></a>
-<span class="sourceLineNo">520</span> if (regions == null) {<a name="line.520"></a>
-<span class="sourceLineNo">521</span> return new ArrayList<>();<a name="line.521"></a>
-<span class="sourceLineNo">522</span> }<a name="line.522"></a>
-<span class="sourceLineNo">523</span> return regions.stream()<a name="line.523"></a>
-<span class="sourceLineNo">524</span> .map(RegionStateNode::getRegionInfo)<a name="line.524"></a>
-<span class="sourceLineNo">525</span> .filter(r -> r.getTable().isSystemTable())<a name="line.525"></a>
-<span class="sourceLineNo">526</span> .collect(Collectors.toList());<a name="line.526"></a>
-<span class="sourceLineNo">527</span> }<a name="line.527"></a>
-<span class="sourceLineNo">528</span><a name="line.528"></a>
-<span class="sourceLineNo">529</span> public void assign(final RegionInfo regionInfo) throws IOException {<a name="line.529"></a>
-<span class="sourceLineNo">530</span> AssignProcedure proc = createAssignProcedure(regionInfo);<a name="line.530"></a>
-<span class="sourceLineNo">531</span> ProcedureSyncWait.submitAndWaitProcedure(master.getMasterProcedureExecutor(), proc);<a name="line.531"></a>
-<span class="sourceLineNo">532</span> }<a name="line.532"></a>
-<span class="sourceLineNo">533</span><a name="line.533"></a>
-<span class="sourceLineNo">534</span> public void unassign(final RegionInfo regionInfo) throws IOException {<a name="line.534"></a>
-<span class="sourceLineNo">535</span> unassign(regionInfo, false);<a name="line.535"></a>
-<span class="sourceLineNo">536</span> }<a name="line.536"></a>
-<span class="sourceLineNo">537</span><a name="line.537"></a>
-<span class="sourceLineNo">538</span> public void unassign(final RegionInfo regionInfo, final boolean forceNewPlan)<a name="line.538"></a>
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-<span class="sourceLineNo">540</span> // TODO: rename this reassign<a name="line.540"></a>
-<span class="sourceLineNo">541</span> RegionStateNode node = this.regionStates.getRegionStateNode(regionInfo);<a name="line.541"></a>
-<span class="sourceLineNo">542</span> ServerName destinationServer = node.getRegionLocation();<a name="line.542"></a>
-<span class="sourceLineNo">543</span> if (destinationServer == null) {<a name="line.543"></a>
-<span class="sourceLineNo">544</span> throw new UnexpectedStateException("DestinationServer is null; Assigned? " + node.toString());<a name="line.544"></a>
-<span class="sourceLineNo">545</span> }<a name="line.545"></a>
-<span class="sourceLineNo">546</span> assert destinationServer != null; node.toString();<a name="line.546"></a>
-<span class="sourceLineNo">547</span> UnassignProcedure proc = createUnassignProcedure(regionInfo, destinationServer, forceNewPlan);<a name="line.547"></a>
-<span class="sourceLineNo">548</span> ProcedureSyncWait.submitAndWaitProcedure(master.getMasterProcedureExecutor(), proc);<a name="line.548"></a>
-<span class="sourceLineNo">549</span> }<a name="line.549"></a>
-<span class="sourceLineNo">550</span><a name="line.550"></a>
-<span class="sourceLineNo">551</span> public void move(final RegionInfo regionInfo) throws IOException {<a name="line.551"></a>
-<span class="sourceLineNo">552</span> RegionStateNode node = this.regionStates.getRegionStateNode(regionInfo);<a name="line.552"></a>
-<span class="sourceLineNo">553</span> ServerName sourceServer = node.getRegionLocation();<a name="line.553"></a>
-<span class="sourceLineNo">554</span> RegionPlan plan = new RegionPlan(regionInfo, sourceServer, null);<a name="line.554"></a>
-<span class="sourceLineNo">555</span> MoveRegionProcedure proc = createMoveRegionProcedure(plan);<a name="line.555"></a>
-<span class="sourceLineNo">556</span> ProcedureSyncWait.submitAndWaitProcedure(master.getMasterProcedureExecutor(), proc);<a name="line.556"></a>
-<span class="sourceLineNo">557</span> }<a name="line.557"></a>
-<span class="sourceLineNo">558</span><a name="line.558"></a>
-<span class="sourceLineNo">559</span> public Future<byte[]> moveAsync(final RegionPlan regionPlan) {<a name="line.559"></a>
-<span class="sourceLineNo">560</span> MoveRegionProcedure proc = createMoveRegionProcedure(regionPlan);<a name="line.560"></a>
-<span class="sourceLineNo">561</span> return ProcedureSyncWait.submitProcedure(master.getMasterProcedureExecutor(), proc);<a name="line.561"></a>
-<span class="sourceLineNo">562</span> }<a name="line.562"></a>
-<span class="sourceLineNo">563</span><a name="line.563"></a>
-<span class="sourceLineNo">564</span> @VisibleForTesting<a name="line.564"></a>
-<span class="sourceLineNo">565</span> public boolean waitForAssignment(final RegionInfo regionInfo) throws IOException {<a name="line.565"></a>
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-<span class="sourceLineNo">569</span> @VisibleForTesting<a name="line.569"></a>
-<span class="sourceLineNo">570</span> // TODO: Remove this?<a name="line.570"></a>
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-<span class="sourceLineNo">573</span> RegionStateNode node = null;<a name="line.573"></a>
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-<span class="sourceLineNo">575</span> // so wait around here a while.<a name="line.575"></a>
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-<span class="sourceLineNo">580</span> System.currentTimeMillis() < endTime) {<a name="line.580"></a>
-<span class="sourceLineNo">581</span> // Presume it not yet added but will be added soon. Let it spew a lot so we can tell if<a name="line.581"></a>
-<span class="sourceLineNo">582</span> // we are waiting here alot.<a name="line.582"></a>
-<span class="sourceLineNo">583</span> LOG.debug("Waiting on " + regionInfo + " to be added to regionStateMap");<a name="line.583"></a>
-<span class="sourceLineNo">584</span> Threads.sleep(10);<a name="line.584"></a>
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-<span class="sourceLineNo">586</span> if (node == null) {<a name="line.586"></a>
-<span class="sourceLineNo">587</span> if (!isRunning()) return false;<a name="line.587"></a>
-<span class="sourceLineNo">588</span> throw new RegionException(regionInfo.getRegionNameAsString() + " never registered with Assigment.");<a name="line.588"></a>
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-<span class="sourceLineNo">591</span> RegionTransitionProcedure proc = node.getProcedure();<a name="line.591"></a>
-<span class="sourceLineNo">592</span> if (proc == null) {<a name="line.592"></a>
-<span class="sourceLineNo">593</span> throw new NoSuchProcedureException(node.toString());<a name="line.593"></a>
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-<span class="sourceLineNo">596</span> ProcedureSyncWait.waitForProcedureToCompleteIOE(<a name="line.596"></a>
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-<span class="sourceLineNo">598</span> return true;<a name="line.598"></a>
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-<span class="sourceLineNo">602</span> // RegionTransition procedures helpers<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> /**<a name="line.605"></a>
-<span class="sourceLineNo">606</span> * Create round-robin assigns. Use on table creation to distribute out regions across cluster.<a name="line.606"></a>
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-<span class="sourceLineNo">608</span> * to the balancer to populate the assigns with targets chosen using round-robin (default<a name="line.608"></a>
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-<span class="sourceLineNo">610</span> * the AssignProcedure will ask the balancer for a new target, and so on.<a name="line.610"></a>
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-<span class="sourceLineNo">613</span> if (hris.isEmpty()) {<a name="line.613"></a>
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+<span class="sourceLineNo">524</span> // TODO: rename this reassign<a name="line.524"></a>
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+<span class="sourceLineNo">530</span> assert destinationServer != null; node.toString();<a name="line.530"></a>
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+<span class="sourceLineNo">533</span> }<a name="line.533"></a>
+<span class="sourceLineNo">534</span><a name="line.534"></a>
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+<span class="sourceLineNo">542</span><a name="line.542"></a>
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+<span class="sourceLineNo">545</span> return ProcedureSyncWait.submitProcedure(master.getMasterProcedureExecutor(), proc);<a name="line.545"></a>
+<span class="sourceLineNo">546</span> }<a name="line.546"></a>
+<span class="sourceLineNo">547</span><a name="line.547"></a>
+<span class="sourceLineNo">548</span> @VisibleForTesting<a name="line.548"></a>
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+<span class="sourceLineNo">552</span><a name="line.552"></a>
+<span class="sourceLineNo">553</span> @VisibleForTesting<a name="line.553"></a>
+<span class="sourceLineNo">554</span> // TODO: Remove this?<a name="line.554"></a>
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+<span class="sourceLineNo">556</span> throws IOException {<a name="line.556"></a>
+<span class="sourceLineNo">557</span> RegionStateNode node = null;<a name="line.557"></a>
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+<span class="sourceLineNo">559</span> // so wait around here a while.<a name="line.559"></a>
+<span class="sourceLineNo">560</span> long startTime = System.currentTimeMillis();<a name="line.560"></a>
+<span class="sourceLineNo">561</span> // Something badly wrong if takes ten seconds to register a region.<a name="line.561"></a>
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+<span class="sourceLineNo">564</span> System.currentTimeMillis() < endTime) {<a name="line.564"></a>
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+<span class="sourceLineNo">566</span> // we are waiting here alot.<a name="line.566"></a>
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+<span class="sourceLineNo">568</span> Threads.sleep(10);<a name="line.568"></a>
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+<span class="sourceLineNo">574</span><a name="line.574"></a>
+<span class="sourceLineNo">575</span> RegionTransitionProcedure proc = node.getProcedure();<a name="line.575"></a>
+<span class="sourceLineNo">576</span> if (proc == null) {<a name="line.576"></a>
+<span class="sourceLineNo">577</span> throw new NoSuchProcedureException(node.toString());<a name="line.577"></a>
+<span class="sourceLineNo">578</span> }<a name="line.578"></a>
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+<span class="sourceLineNo">580</span> ProcedureSyncWait.waitForProcedureToCompleteIOE(<a name="line.580"></a>
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+<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> // ============================================================================================<a name="line.585"></a>
+<span class="sourceLineNo">586</span> // RegionTransition procedures helpers<a name="line.586"></a>
+<span class="sourceLineNo">587</span> // ============================================================================================<a name="line.587"></a>
+<span class="sourceLineNo">588</span><a name="line.588"></a>
+<span class="sourceLineNo">589</span> /**<a name="line.589"></a>
+<span class="sourceLineNo">590</span> * Create round-robin assigns. Use on table creation to distribute out regions across cluster.<a name="line.590"></a>
+<span class="sourceLineNo">591</span> * @return AssignProcedures made out of the passed in <code>hris</code> and a call<a name="line.591"></a>
+<span class="sourceLineNo">592</span> * to the balancer to populate the assigns with targets chosen using round-robin (default<a name="line.592"></a>
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+<span class="sourceLineNo">594</span> * the AssignProcedure will ask the balancer for a new target, and so on.<a name="line.594"></a>
+<span class="sourceLineNo">595</span> */<a name="line.595"></a>
+<span class="sourceLineNo">596</span> public AssignProcedure[] createRoundRobinAssignProcedures(final List<RegionInfo> hris) {<a name="line.596"></a>
+<span class="sourceLineNo">597</span> if (hris.isEmpty()) {<a name="line.597"></a>
+<span class="sourceLineNo">598</span> return null;<a name="line.598"></a>
+<span class="sourceLineNo">599</span> }<a name="line.599"></a>
+<span class="sourceLineNo">600</span> try {<a name="line.600"></a>
+<span class="sourceLineNo">601</span> // Ask the balancer to assign our regions. Pass the regions en masse. The balancer can do<a name="line.601"></a>
+<span class="sourceLineNo">602</span> // a better job if it has all the assignments in the one lump.<a name="line.602"></a>
+<span class="sourceLineNo">603</span> Map<ServerName, List<RegionInfo>> assignments = getBalancer().roundRobinAssignment(hris,<a name="line.603"></a>
+<span class="sourceLineNo">604</span> this.master.getServerManager().createDestinationServersList(null));<a name="line.604"></a>
+<span class="sourceLineNo">605</span> // Return mid-method!<a name="line.605"></a>
+<span class="sourceLineNo">606</span> return createAssignProcedures(assignments, hris.size());<a name="line.606"></a>
+<span class="sourceLineNo">607</span> } catch (HBaseIOException hioe) {<a name="line.607"></a>
+<span class="sourceLineNo">608</span> LOG.warn("Failed roundRobinAssignment", hioe);<a name="line.608"></a>
+<span class="sourceLineNo">609</span> }<a name="line.609"></a>
+<span class="sourceLineNo">610</span> // If an error above, fall-through to this simpler assign. Last resort.<a name="line.610"></a>
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+<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> /**<a name="line.614"></a>
+<span class="sourceLineNo">615</span> * Create an array of AssignProcedures w/o specifying a target server.<a name="line.615"></a>
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+<span class="sourceLineNo">617</span> * if one exists. This is how we 'retain' the old location across a server restart.<a name="line.617"></a>
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+<span class="sourceLineNo">620</span> * server processes).<a name="line.620"></a>
+<span class="sourceLineNo">621</span> */<a name="line.621"></a>
+<span class="sourceLineNo">622</span> public AssignProcedure[] createAssignProcedures(final List<RegionInfo> hris) {<a name="line.622"></a>
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-<span class="sourceLineNo">629</span><a name="line.629"></a>
-<span class="sourceLineNo">630</span> /**<a name="line.630"></a>
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-<span class="sourceLineNo">665</span> int size) {<a name="line.665"></a>
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-<span class="sourceLineNo">668</span> for (RegionInfo ri: e.getValue()) {<a name="line.668"></a>
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-<span class="sourceLineNo">680</span><a name="line.680"></a>
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-<span class="sourceLineNo">692</span> assert node.getRegionLocation() != null: node.toString();<a name="line.692"></a>
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-<span class="sourceLineNo">701</span> for (RegionInfo hri: regionInfo) {<a name="line.701"></a>
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-<span class="sourceLineNo">770</span> * Delete the region states. This is called by "DeleteTable"<a name="line.770"></a>
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-<span class="sourceLineNo">783</span> // ============================================================================================<a name="line.783"></a>
-<span class="sourceLineNo">784</span> // RS Region Transition Report helpers<a name="line.784"></a>
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-<span class="sourceLineNo">831</span> // if the master says that one of the region transitions failed.<a name="line.831"></a>
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-<span class="sourceLineNo">833</span> builder.setErrorMessage("Failed transition " + e.getMessage());<a name="line.833"></a>
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-<span class="sourceLineNo">845</span> // the table/region is gone. maybe a delete, split, merge<a name="line.845"></a>
-<span class="sourceLineNo">846</span> throw new UnexpectedStateException(String.format(<a name="line.846"></a>
-<span class="sourceLineNo">847</span> "Server %s was trying to transition region %s to %s. but the region was removed.",<a name="line.847"></a>
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-<span class="sourceLineNo">853</span> serverName, regionNode, state));<a name="line.853"></a>
-<span class="sourceLineNo">854</span> }<a name="line.854"></a>
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+<span class="sourceLineNo">627</span> AssignProcedure [] procedures = new AssignProcedure[hris.size()];<a name="line.627"></a>
+<span class="sourceLineNo">628</span> for (RegionInfo hri : hris) {<a name="line.628"></a>
+<span class="sourceLineNo">629</span> // Sort the procedures so meta and system regions are first in the returned array.<a name="line.629"></a>
+<span class="sourceLineNo">630</span> procedures[index++] = createAssignProcedure(hri);<a name="line.630"></a>
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+<span class="sourceLineNo">633</span> // Sort the procedures so meta and system regions are first in the returned array.<a name="line.633"></a>
+<span class="sourceLineNo">634</span> Arrays.sort(procedures, AssignProcedure.COMPARATOR);<a name="line.634"></a>
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+<span class="sourceLineNo">638</span><a name="line.638"></a>
+<span class="sourceLineNo">639</span> // Make this static for the method below where we use it typing the AssignProcedure array we<a name="line.639"></a>
+<span class="sourceLineNo">640</span> // return as result.<a name="line.640"></a>
+<span class="sourceLineNo">641</span> private static final AssignProcedure [] ASSIGN_PROCEDURE_ARRAY_TYPE = new AssignProcedure[] {};<a name="line.641"></a>
+<span class="sourceLineNo">642</span><a name="line.642"></a>
+<span class="sourceLineNo">643</span> /**<a name="line.643"></a>
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+<span class="sourceLineNo">646</span> * @return Assignments made from the passed in <code>assignments</code><a name="line.646"></a>
+<span class="sourceLineNo">647</span> */<a name="line.647"></a>
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+<span class="sourceLineNo">649</span> int size) {<a name="line.649"></a>
+<span class="sourceLineNo">650</span> List<AssignProcedure> procedures = new ArrayList<>(size > 0? size: 8/*Arbitrary*/);<a name="line.650"></a>
+<span class="sourceLineNo">651</span> for (Map.Entry<ServerName, List<RegionInfo>> e: assignments.entrySet()) {<a name="line.651"></a>
+<span class="sourceLineNo">652</span> for (RegionInfo ri: e.getValue()) {<a name="line.652"></a>
+<span class="sourceLineNo">653</span> AssignProcedure ap = createAssignProcedure(ri, e.getKey());<a name="line.653"></a>
+<span class="sourceLineNo">654</span> ap.setOwner(getProcedureEnvironment().getRequestUser().getShortName());<a name="line.654"></a>
+<span class="sourceLineNo">655</span> procedures.add(ap);<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> if (procedures.size() > 1) {<a name="line.658"></a>
+<span class="sourceLineNo">659</span> // Sort the procedures so meta and system regions are first in the returned array.<a name="line.659"></a>
+<span class="sourceLineNo">660</span> procedures.sort(AssignProcedure.COMPARATOR);<a name="line.660"></a>
+<span class="sourceLineNo">661</span> }<a name="line.661"></a>
+<span class="sourceLineNo">662</span> return procedures.toArray(ASSIGN_PROCEDURE_ARRAY_TYPE);<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> // Needed for the following method so it can type the created Array we return<a name="line.665"></a>
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+<span class="sourceLineNo">667</span> new UnassignProcedure[0];<a name="line.667"></a>
+<span class="sourceLineNo">668</span><a name="line.668"></a>
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+<span class="sourceLineNo">672</span> for (RegionStateNode node: nodes) {<a name="line.672"></a>
+<span class="sourceLineNo">673</span> if (!this.regionStates.include(node, false)) continue;<a name="line.673"></a>
+<span class="sourceLineNo">674</span> // Look for regions that are offline/closed; i.e. already unassigned.<a name="line.674"></a>
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+<span class="sourceLineNo">676</span> assert node.getRegionLocation() != null: node.toString();<a name="line.676"></a>
+<span class="sourceLineNo">677</span> procs.add(createUnassignProcedure(node.getRegionInfo(), node.getRegionLocation(), false));<a name="line.677"></a>
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+<span class="sourceLineNo">679</span> return procs.toArray(UNASSIGN_PROCEDURE_ARRAY_TYPE);<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[] createReopenProcedures(final Collection<RegionInfo> regionInfo) {<a name="line.682"></a>
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+<span class="sourceLineNo">692</span><a name="line.692"></a>
+<span class="sourceLineNo">693</span> /**<a name="line.693"></a>
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+<span class="sourceLineNo">700</span><a name="line.700"></a>
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+<span class="sourceLineNo">703</span> proc.setOwner(getProcedureEnvironment().getRequestUser().getShortName());<a name="line.703"></a>
+<span class="sourceLineNo">704</span> return proc;<a name="line.704"></a>
+<span class="sourceLineNo">705</span> }<a name="line.705"></a>
+<span class="sourceLineNo">706</span><a name="line.706"></a>
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+<span class="sourceLineNo">708</span> final ServerName targetServer) {<a name="line.708"></a>
+<span class="sourceLineNo">709</span> AssignProcedure proc = new AssignProcedure(regionInfo, targetServer);<a name="line.709"></a>
+<span class="sourceLineNo">710</span> proc.setOwner(getProcedureEnvironment().getRequestUser().getShortName());<a name="line.710"></a>
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+<span class="sourceLineNo">712</span> }<a name="line.712"></a>
+<span class="sourceLineNo">713</span><a name="line.713"></a>
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+<span class="sourceLineNo">715</span> final ServerName destinationServer, final boolean force) {<a name="line.715"></a>
+<span class="sourceLineNo">716</span> // If destinationServer is null, figure it.<a name="line.716"></a>
+<span class="sourceLineNo">717</span> ServerName sn = destinationServer != null? destinationServer:<a name="line.717"></a>
+<span class="sourceLineNo">718</span> getRegionStates().getRegionState(regionInfo).getServerName();<a name="line.718"></a>
+<span class="sourceLineNo">719</span> assert sn != null;<a name="line.719"></a>
+<span class="sourceLineNo">720</span> UnassignProcedure proc = new UnassignProcedure(regionInfo, sn, force);<a name="line.720"></a>
+<span class="sourceLineNo">721</span> proc.setOwner(getProcedureEnvironment().getRequestUser().getShortName());<a name="line.721"></a>
+<span class="sourceLineNo">722</span> return proc;<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> public MoveRegionProcedure createMoveRegionProcedure(final RegionPlan plan) {<a name="line.725"></a>
+<span class="sourceLineNo">726</span> if (plan.getRegionInfo().getTable().isSystemTable()) {<a name="line.726"></a>
+<span class="sourceLineNo">727</span> List<ServerName> exclude = getExcludedServersForSystemTable();<a name="line.727"></a>
+<span class="sourceLineNo">728</span> if (plan.getDestination() != null && exclude.contains(plan.getDestination())) {<a name="line.728"></a>
+<span class="sourceLineNo">729</span> try {<a name="line.729"></a>
+<span class="sourceLineNo">730</span> LOG.info("Can not move " + plan.getRegionInfo() + " to " + plan.getDestination()<a name="line.730"></a>
+<span class="sourceLineNo">731</span> + " because the server is not with highest version");<a name="line.731"></a>
+<span class="sourceLineNo">732</span> plan.setDestination(getBalancer().randomAssignment(plan.getRegionInfo(),<a name="line.732"></a>
+<span class="sourceLineNo">733</span> this.master.getServerManager().createDestinationServersList(exclude)));<a name="line.733"></a>
+<span class="sourceLineNo">734</span> } catch (HBaseIOException e) {<a name="line.734"></a>
+<span class="sourceLineNo">735</span> LOG.warn(e.toString(), e);<a name="line.735"></a>
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+<span class="sourceLineNo">737</span> }<a name="line.737"></a>
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+<span class="sourceLineNo">741</span><a name="line.741"></a>
+<span class="sourceLineNo">742</span><a name="line.742"></a>
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+<span class="sourceLineNo">747</span><a name="line.747"></a>
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+<span class="sourceLineNo">749</span> final RegionInfo regionToMergeB) throws IOException {<a name="line.749"></a>
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+<span class="sourceLineNo">751</span> }<a name="line.751"></a>
+<span class="sourceLineNo">752</span><a name="line.752"></a>
+<span class="sourceLineNo">753</span> /**<a name="line.753"></a>
+<span class="sourceLineNo">754</span> * Delete the region states. This is called by "DeleteTable"<a name="line.754"></a>
+<span class="sourceLineNo">755</span> */<a name="line.755"></a>
+<span class="sourceLineNo">756</span> public void deleteTable(final TableName tableName) throws IOException {<a name="line.756"></a>
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+<span class="sourceLineNo">758</span> regionStateStore.deleteRegions(regions);<a name="line.758"></a>
+<span class="sourceLineNo">759</span> for (int i = 0; i < regions.size(); ++i) {<a name="line.759"></a>
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+<span class="sourceLineNo">761</span> // we expect the region to be offline<a name="line.761"></a>
+<span class="sourceLineNo">762</span> regionStates.removeFromOfflineRegions(regionInfo);<a name="line.762"></a>
+<span class="sourceLineNo">763</span> regionStates.deleteRegion(regionInfo);<a name="line.763"></a>
+<span class="sourceLineNo">764</span> }<a name="line.764"></a>
+<span class="sourceLineNo">765</span> }<a name="line.765"></a>
+<span class="sourceLineNo">766</span><a name="line.766"></a>
+<span class="sourceLineNo">767</span> // ============================================================================================<a name="line.767"></a>
+<span class="sourceLineNo">768</span> // RS Region Transition Report helpers<a name="line.768"></a>
+<span class="sourceLineNo">769</span> // ============================================================================================<a name="line.769"></a>
+<span class="sourceLineNo">770</span> // TODO: Move this code in MasterRpcServices and call on specific event?<a name="line.770"></a>
+<span class="sourceLineNo">771</span> public ReportRegionStateTransitionResponse reportRegionStateTransition(<a name="line.771"></a>
+<span class="sourceLineNo">772</span> final ReportRegionStateTransitionRequest req)<a name="line.772"></a>
+<span class="sourceLineNo">773</span> throws PleaseHoldException {<a name="line.773"></a>
+<span class="sourceLineNo">774</span> final ReportRegionStateTransitionResponse.Builder builder =<a name="line.774"></a>
+<span class="sourceLineNo">775</span> ReportRegionStateTransitionResponse.newBuilder();<a name="line.775"></a>
+<span class="sourceLineNo">776</span> final ServerName serverName = ProtobufUtil.toServerName(req.getServer());<a name="line.776"></a>
+<span class="sourceLineNo">777</span> try {<a name="line.777"></a>
+<span class="sourceLineNo">778</span> for (RegionStateTransition transition: req.getTransitionList()) {<a name="line.778"></a>
+<span class="sourceLineNo">779</span> switch (transition.getTransitionCode()) {<a name="line.779"></a>
+<span class="sourceLineNo">780</span> case OPENED:<a name="line.780"></a>
+<span class="sourceLineNo">781</span> case FAILED_OPEN:<a name="line.781"></a>
+<span class="sourceLineNo">782</span> case CLOSED:<a name="line.782"></a>
+<span class="sourceLineNo">783</span> assert transition.getRegionInfoCount() == 1 : transition;<a name="line.783"></a>
+<span class="sourceLineNo">784</span> final RegionInfo hri = ProtobufUtil.toRegionInfo(transition.getRegionInfo(0));<a name="line.784"></a>
+<span class="sourceLineNo">785</span> updateRegionTransition(serverName, transition.getTransitionCode(), hri,<a name="line.785"></a>
+<span class="sourceLineNo">786</span> transition.hasOpenSeqNum() ? transition.getOpenSeqNum() : HConstants.NO_SEQNUM);<a name="line.786"></a>
+<span class="sourceLineNo">787</span> break;<a name="line.787"></a>
+<span class="sourceLineNo">788</span> case READY_TO_SPLIT:<a name="line.788"></a>
+<span class="sourceLineNo">789</span> case SPLIT:<a name="line.789"></a>
+<span class="sourceLineNo">790</span> case SPLIT_REVERTED:<a name="line.790"></a>
+<span class="sourceLineNo">791</span> assert transition.getRegionInfoCount() == 3 : transition;<a name="line.791"></a>
+<span class="sourceLineNo">792</span> final RegionInfo parent = ProtobufUtil.toRegionInfo(transition.getRegionInfo(0));<a name="line.792"></a>
+<span class="sourceLineNo">793</span> final RegionInfo splitA = ProtobufUtil.toRegionInfo(transition.getRegionInfo(1));<a name="line.793"></a>
+<span class="sourceLineNo">794</span> final RegionInfo splitB = ProtobufUtil.toRegionInfo(transition.getRegionInfo(2));<a name="line.794"></a>
+<span class="sourceLineNo">795</span> updateRegionSplitTransition(serverName, transition.getTransitionCode(),<a name="line.795"></a>
+<span class="sourceLineNo">796</span> parent, splitA, splitB);<a name="line.796"></a>
+<span class="sourceLineNo">797</span> break;<a name="line.797"></a>
+<span class="sourceLineNo">798</span> case READY_TO_MERGE:<a name="line.798"></a>
+<span class="sourceLineNo">799</span> case MERGED:<a name="line.799"></a>
+<span class="sourceLineNo">800</span> case MERGE_REVERTED:<a name="line.800"></a>
+<span class="sourceLineNo">801</span> assert transition.getRegionInfoCount() == 3 : transition;<a name="line.801"></a>
+<span class="sourceLineNo">802</span> final RegionInfo merged = ProtobufUtil.toRegionInfo(transition.getRegionInfo(0));<a name="line.802"></a>
+<span class="sourceLineNo">803</span> final RegionInfo mergeA = ProtobufUtil.toRegionInfo(transition.getRegionInfo(1));<a name="line.803"></a>
+<span class="sourceLineNo">804</span> final RegionInfo mergeB = ProtobufUtil.toRegionInfo(transition.getRegionInfo(2));<a name="line.804"></a>
+<span class="sourceLineNo">805</span> updateRegionMergeTransition(serverName, transition.getTransitionCode(),<a name="line.805"></a>
+<span class="sourceLineNo">806</span> merged, mergeA, mergeB);<a name="line.806"></a>
+<span class="sourceLineNo">807</span> break;<a name="line.807"></a>
+<span class="sourceLineNo">808</span> }<a name="line.808"></a>
+<span class="sourceLineNo">809</span> }<a name="line.809"></a>
+<span class="sourceLineNo">810</span> } catch (PleaseHoldException e) {<a name="line.810"></a>
+<span class="sourceLineNo">811</span> if (LOG.isTraceEnabled()) LOG.trace("Failed transition " + e.getMessage());<a name="line.811"></a>
+<span class="sourceLineNo">812</span> throw e;<a name="line.812"></a>
+<span class="sourceLineNo">813</span> } catch (UnsupportedOperationException|IOException e) {<a name="line.813"></a>
+<span class="sourceLineNo">814</span> // TODO: at the moment we have a single error message and the RS will abort<a name="line.814"></a>
+<span class="sourceLineNo">815</span> // if the master says that one of the region transitions failed.<a name="line.815"></a>
+<span class="sourceLineNo">816</span> LOG.warn("Failed transition", e);<a name="line.816"></a>
+<span class="sourceLineNo">817</span> builder.setErrorMessage("Failed transition " + e.getMessage());<a name="line.817"></a>
+<span class="sourceLineNo">818</span> }<a name="line.818"></a>
+<span class="sourceLineNo">819</span> return builder.build();<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 updateRegionTransition(final ServerName serverName, final TransitionCode state,<a name="line.822"></a>
+<span class="sourceLineNo">823</span> final RegionInfo regionInfo, final long seqId)<a name="line.823"></a>
+<span class="sourceLineNo">824</span> throws PleaseHoldException, UnexpectedStateException {<a name="line.824"></a>
+<span class="sourceLineNo">825</span> checkFailoverCleanupCompleted(regionInfo);<a name="line.825"></a>
+<span class="sourceLineNo">826</span><a name="line.826"></a>
+<span class="sourceLineNo">827</span> final RegionStateNode regionNode = regionStates.getRegionStateNode(regionInfo);<a name="line.827"></a>
+<span class="sourceLineNo">828</span> if (regionNode == null) {<a name="line.828"></a>
+<span class="sourceLineNo">829</span> // the table/region is gone. maybe a delete, split, merge<a name="line.829"></a>
+<span class="sourceLineNo">830</span> throw new UnexpectedStateException(String.format(<a name="line.830"></a>
+<span class="sourceLineNo">831</span> "Server %s was trying to transition region %s to %s. but the region was removed.",<a name="line.831"></a>
+<span class="sourceLineNo">832</span> serverName, regionInfo, state));<a name="line.832"></a>
+<span class="sourceLineNo">833</span> }<a name="line.833"></a>
+<span class="sourceLineNo">834</span><a name="line.834"></a>
+<span class="sourceLineNo">835</span> if (LOG.isTraceEnabled()) {<a name="line.835"></a>
+<span class="sourceLineNo">836</span> LOG.trace(String.format("Update region transition serverName=%s region=%s regionState=%s",<a name="line.836"></a>
+<span class="sourceLineNo">837</span> serverName, regionNode, state));<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> final ServerStateNode serverNode = regionStates.getOrCreateServer(serverName);<a name="line.840"></a>
+<span class="sourceLineNo">841</span> if (!reportTransition(regionNode, serverNode, state, seqId)) {<a name="line.841"></a>
+<span class="sourceLineNo">842</span> LOG.warn(String.format(<a name="line.842"></a>
+<span class="sourceLineNo">843</span> "No procedure for %s. server=%s to transition to %s", regionNode, serverName, state));<a name="line.843"></a>
+<span class="sourceLineNo">844</span> }<a name="line.844"></a>
+<span class="sourceLineNo">845</span> }<a name="line.845"></a>
+<span class="sourceLineNo">846</span><a name="line.846"></a>
+<span class="sourceLineNo">847</span> // FYI: regionNode is sometimes synchronized by the caller but not always.<a name="line.847"></a>
+<span class="sourceLineNo">848</span> private boolean reportTransition(final RegionStateNode regionNode,<a name="line.848"></a>
+<span class="sourceLineNo">849</span> final ServerStateNode serverNode, final TransitionCode state, final long seqId)<a name="line.849"></a>
+<span class="sourceLineNo">850</span> throws UnexpectedStateException {<a name="line.850"></a>
+<span class="sourceLineNo">851</span> final ServerName serverName = serverNode.getServerName();<a name="line.851"></a>
+<span class="sourceLineNo">852</span> synchronized (regionNode) {<a name="line.852"></a>
+<span class="sourceLineNo">853</span> final RegionTransitionProcedure proc = regionNode.getProcedure();<a name="line.853"></a>
+<span class="sourceLineNo">854</span> if (proc == null) return false;<a name="line.854"></a>
<span class="sourceLineNo">855</span><a name="line.855"></a>
-<span class="sourceLineNo">856</span> final ServerStateNode serverNode = regionStates.getOrCreateServer(serverName);<a name="line.856"></a>
-<span class="sourceLineNo">857</span> if (!reportTransition(regionNode, serverNode, state, seqId)) {<a name="line.857"></a>
-<span class="sourceLineNo">858</span> LOG.warn(String.format(<a name="line.858"></a>
-<span class="sourceLineNo">859</span> "No procedure for %s. server=%s to transition to %s", regionNode, serverName, state));<a name="line.859"></a>
-<span class="sourceLineNo">860</span> }<a name="line.860"></a>
+<span class="sourceLineNo">856</span> // serverNode.getReportEvent().removeProcedure(proc);<a name="line.856"></a>
+<span class="sourceLineNo">857</span> proc.reportTransition(master.getMasterProcedureExecutor().getEnvironment(),<a name="line.857"></a>
+<span class="sourceLineNo">858</span> serverName, state, seqId);<a name="line.858"></a>
+<span class="sourceLineNo">859</span> }<a name="line.859"></a>
+<span class="sourceLineNo">860</span> return true;<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> // FYI: regionNode is sometimes synchronized by the caller but not always.<a name="line.863"></a>
-<span class="sourceLineNo">864</span> private boolean reportTransition(final RegionStateNode regionNode,<a name="line.864"></a>
-<span class="sourceLineNo">865</span> final ServerStateNode serverNode, final TransitionCode state, final long seqId)<a name="line.865"></a>
-<span class="sourceLineNo">866</span> throws UnexpectedState
<TRUNCATED>