You are viewing a plain text version of this content. The canonical link for it is here.
Posted to commits@hbase.apache.org by gi...@apache.org on 2018/08/14 14:47:13 UTC
[06/12] hbase-site git commit: Published site at
e705cf1447dd7e44f0cc0297746a0f14135e2f2f.
http://git-wip-us.apache.org/repos/asf/hbase-site/blob/27febf40/devapidocs/src-html/org/apache/hadoop/hbase/master/assignment/AssignmentManager.RegionInTransitionStat.html
----------------------------------------------------------------------
diff --git a/devapidocs/src-html/org/apache/hadoop/hbase/master/assignment/AssignmentManager.RegionInTransitionStat.html b/devapidocs/src-html/org/apache/hadoop/hbase/master/assignment/AssignmentManager.RegionInTransitionStat.html
index 2e75659..3070994 100644
--- a/devapidocs/src-html/org/apache/hadoop/hbase/master/assignment/AssignmentManager.RegionInTransitionStat.html
+++ b/devapidocs/src-html/org/apache/hadoop/hbase/master/assignment/AssignmentManager.RegionInTransitionStat.html
@@ -858,1046 +858,1058 @@
<span class="sourceLineNo">850</span><a name="line.850"></a>
<span class="sourceLineNo">851</span> final ServerStateNode serverNode = regionStates.getOrCreateServer(serverName);<a name="line.851"></a>
<span class="sourceLineNo">852</span> if (!reportTransition(regionNode, serverNode, state, seqId)) {<a name="line.852"></a>
-<span class="sourceLineNo">853</span> // Don't log if shutting down cluster; during shutdown.<a name="line.853"></a>
-<span class="sourceLineNo">854</span> LOG.warn("No matching procedure found for {} transition to {}", regionNode, state);<a name="line.854"></a>
-<span class="sourceLineNo">855</span> }<a name="line.855"></a>
-<span class="sourceLineNo">856</span> }<a name="line.856"></a>
-<span class="sourceLineNo">857</span><a name="line.857"></a>
-<span class="sourceLineNo">858</span> // FYI: regionNode is sometimes synchronized by the caller but not always.<a name="line.858"></a>
-<span class="sourceLineNo">859</span> private boolean reportTransition(final RegionStateNode regionNode,<a name="line.859"></a>
-<span class="sourceLineNo">860</span> final ServerStateNode serverNode, final TransitionCode state, final long seqId)<a name="line.860"></a>
-<span class="sourceLineNo">861</span> throws UnexpectedStateException {<a name="line.861"></a>
-<span class="sourceLineNo">862</span> final ServerName serverName = serverNode.getServerName();<a name="line.862"></a>
-<span class="sourceLineNo">863</span> synchronized (regionNode) {<a name="line.863"></a>
-<span class="sourceLineNo">864</span> final RegionTransitionProcedure proc = regionNode.getProcedure();<a name="line.864"></a>
-<span class="sourceLineNo">865</span> if (proc == null) return false;<a name="line.865"></a>
-<span class="sourceLineNo">866</span><a name="line.866"></a>
-<span class="sourceLineNo">867</span> // serverNode.getReportEvent().removeProcedure(proc);<a name="line.867"></a>
-<span class="sourceLineNo">868</span> proc.reportTransition(master.getMasterProcedureExecutor().getEnvironment(),<a name="line.868"></a>
-<span class="sourceLineNo">869</span> serverName, state, seqId);<a name="line.869"></a>
-<span class="sourceLineNo">870</span> }<a name="line.870"></a>
-<span class="sourceLineNo">871</span> return true;<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> private void updateRegionSplitTransition(final ServerName serverName, final TransitionCode state,<a name="line.874"></a>
-<span class="sourceLineNo">875</span> final RegionInfo parent, final RegionInfo hriA, final RegionInfo hriB)<a name="line.875"></a>
-<span class="sourceLineNo">876</span> throws IOException {<a name="line.876"></a>
-<span class="sourceLineNo">877</span> checkMetaLoaded(parent);<a name="line.877"></a>
+<span class="sourceLineNo">853</span> // Don't log WARN if shutting down cluster; during shutdown. Avoid the below messages:<a name="line.853"></a>
+<span class="sourceLineNo">854</span> // 2018-08-13 10:45:10,551 WARN ...AssignmentManager: No matching procedure found for<a name="line.854"></a>
+<span class="sourceLineNo">855</span> // rit=OPEN, location=ve0538.halxg.cloudera.com,16020,1533493000958,<a name="line.855"></a>
+<span class="sourceLineNo">856</span> // table=IntegrationTestBigLinkedList, region=65ab289e2fc1530df65f6c3d7cde7aa5 transition<a name="line.856"></a>
+<span class="sourceLineNo">857</span> // to CLOSED<a name="line.857"></a>
+<span class="sourceLineNo">858</span> // These happen because on cluster shutdown, we currently let the RegionServers close<a name="line.858"></a>
+<span class="sourceLineNo">859</span> // regions. This is the only time that region close is not run by the Master (so cluster<a name="line.859"></a>
+<span class="sourceLineNo">860</span> // goes down fast). Consider changing it so Master runs all shutdowns.<a name="line.860"></a>
+<span class="sourceLineNo">861</span> if (this.master.getServerManager().isClusterShutdown() &&<a name="line.861"></a>
+<span class="sourceLineNo">862</span> state.equals(TransitionCode.CLOSED)) {<a name="line.862"></a>
+<span class="sourceLineNo">863</span> LOG.info("RegionServer {} {}", state, regionNode.getRegionInfo().getEncodedName());<a name="line.863"></a>
+<span class="sourceLineNo">864</span> } else {<a name="line.864"></a>
+<span class="sourceLineNo">865</span> LOG.warn("No matching procedure found for {} transition to {}", regionNode, state);<a name="line.865"></a>
+<span class="sourceLineNo">866</span> }<a name="line.866"></a>
+<span class="sourceLineNo">867</span> }<a name="line.867"></a>
+<span class="sourceLineNo">868</span> }<a name="line.868"></a>
+<span class="sourceLineNo">869</span><a name="line.869"></a>
+<span class="sourceLineNo">870</span> // FYI: regionNode is sometimes synchronized by the caller but not always.<a name="line.870"></a>
+<span class="sourceLineNo">871</span> private boolean reportTransition(final RegionStateNode regionNode,<a name="line.871"></a>
+<span class="sourceLineNo">872</span> final ServerStateNode serverNode, final TransitionCode state, final long seqId)<a name="line.872"></a>
+<span class="sourceLineNo">873</span> throws UnexpectedStateException {<a name="line.873"></a>
+<span class="sourceLineNo">874</span> final ServerName serverName = serverNode.getServerName();<a name="line.874"></a>
+<span class="sourceLineNo">875</span> synchronized (regionNode) {<a name="line.875"></a>
+<span class="sourceLineNo">876</span> final RegionTransitionProcedure proc = regionNode.getProcedure();<a name="line.876"></a>
+<span class="sourceLineNo">877</span> if (proc == null) return false;<a name="line.877"></a>
<span class="sourceLineNo">878</span><a name="line.878"></a>
-<span class="sourceLineNo">879</span> if (state != TransitionCode.READY_TO_SPLIT) {<a name="line.879"></a>
-<span class="sourceLineNo">880</span> throw new UnexpectedStateException("unsupported split regionState=" + state +<a name="line.880"></a>
-<span class="sourceLineNo">881</span> " for parent region " + parent +<a name="line.881"></a>
-<span class="sourceLineNo">882</span> " maybe an old RS (< 2.0) had the operation in progress");<a name="line.882"></a>
-<span class="sourceLineNo">883</span> }<a name="line.883"></a>
-<span class="sourceLineNo">884</span><a name="line.884"></a>
-<span class="sourceLineNo">885</span> // sanity check on the request<a name="line.885"></a>
-<span class="sourceLineNo">886</span> if (!Bytes.equals(hriA.getEndKey(), hriB.getStartKey())) {<a name="line.886"></a>
-<span class="sourceLineNo">887</span> throw new UnsupportedOperationException(<a name="line.887"></a>
-<span class="sourceLineNo">888</span> "unsupported split request with bad keys: parent=" + parent +<a name="line.888"></a>
-<span class="sourceLineNo">889</span> " hriA=" + hriA + " hriB=" + hriB);<a name="line.889"></a>
-<span class="sourceLineNo">890</span> }<a name="line.890"></a>
-<span class="sourceLineNo">891</span><a name="line.891"></a>
-<span class="sourceLineNo">892</span> // Submit the Split procedure<a name="line.892"></a>
-<span class="sourceLineNo">893</span> final byte[] splitKey = hriB.getStartKey();<a name="line.893"></a>
-<span class="sourceLineNo">894</span> if (LOG.isDebugEnabled()) {<a name="line.894"></a>
-<span class="sourceLineNo">895</span> LOG.debug("Split request from " + serverName +<a name="line.895"></a>
-<span class="sourceLineNo">896</span> ", parent=" + parent + " splitKey=" + Bytes.toStringBinary(splitKey));<a name="line.896"></a>
-<span class="sourceLineNo">897</span> }<a name="line.897"></a>
-<span class="sourceLineNo">898</span> master.getMasterProcedureExecutor().submitProcedure(createSplitProcedure(parent, splitKey));<a name="line.898"></a>
-<span class="sourceLineNo">899</span><a name="line.899"></a>
-<span class="sourceLineNo">900</span> // If the RS is < 2.0 throw an exception to abort the operation, we are handling the split<a name="line.900"></a>
-<span class="sourceLineNo">901</span> if (master.getServerManager().getVersionNumber(serverName) < 0x0200000) {<a name="line.901"></a>
-<span class="sourceLineNo">902</span> throw new UnsupportedOperationException(String.format(<a name="line.902"></a>
-<span class="sourceLineNo">903</span> "Split handled by the master: parent=%s hriA=%s hriB=%s", parent.getShortNameToLog(), hriA, hriB));<a name="line.903"></a>
-<span class="sourceLineNo">904</span> }<a name="line.904"></a>
-<span class="sourceLineNo">905</span> }<a name="line.905"></a>
-<span class="sourceLineNo">906</span><a name="line.906"></a>
-<span class="sourceLineNo">907</span> private void updateRegionMergeTransition(final ServerName serverName, final TransitionCode state,<a name="line.907"></a>
-<span class="sourceLineNo">908</span> final RegionInfo merged, final RegionInfo hriA, final RegionInfo hriB) throws IOException {<a name="line.908"></a>
-<span class="sourceLineNo">909</span> checkMetaLoaded(merged);<a name="line.909"></a>
-<span class="sourceLineNo">910</span><a name="line.910"></a>
-<span class="sourceLineNo">911</span> if (state != TransitionCode.READY_TO_MERGE) {<a name="line.911"></a>
-<span class="sourceLineNo">912</span> throw new UnexpectedStateException("Unsupported merge regionState=" + state +<a name="line.912"></a>
-<span class="sourceLineNo">913</span> " for regionA=" + hriA + " regionB=" + hriB + " merged=" + merged +<a name="line.913"></a>
-<span class="sourceLineNo">914</span> " maybe an old RS (< 2.0) had the operation in progress");<a name="line.914"></a>
-<span class="sourceLineNo">915</span> }<a name="line.915"></a>
-<span class="sourceLineNo">916</span><a name="line.916"></a>
-<span class="sourceLineNo">917</span> // Submit the Merge procedure<a name="line.917"></a>
-<span class="sourceLineNo">918</span> if (LOG.isDebugEnabled()) {<a name="line.918"></a>
-<span class="sourceLineNo">919</span> LOG.debug("Handling merge request from RS=" + merged + ", merged=" + merged);<a name="line.919"></a>
-<span class="sourceLineNo">920</span> }<a name="line.920"></a>
-<span class="sourceLineNo">921</span> master.getMasterProcedureExecutor().submitProcedure(createMergeProcedure(hriA, hriB));<a name="line.921"></a>
+<span class="sourceLineNo">879</span> // serverNode.getReportEvent().removeProcedure(proc);<a name="line.879"></a>
+<span class="sourceLineNo">880</span> proc.reportTransition(master.getMasterProcedureExecutor().getEnvironment(),<a name="line.880"></a>
+<span class="sourceLineNo">881</span> serverName, state, seqId);<a name="line.881"></a>
+<span class="sourceLineNo">882</span> }<a name="line.882"></a>
+<span class="sourceLineNo">883</span> return true;<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> private void updateRegionSplitTransition(final ServerName serverName, final TransitionCode state,<a name="line.886"></a>
+<span class="sourceLineNo">887</span> final RegionInfo parent, final RegionInfo hriA, final RegionInfo hriB)<a name="line.887"></a>
+<span class="sourceLineNo">888</span> throws IOException {<a name="line.888"></a>
+<span class="sourceLineNo">889</span> checkMetaLoaded(parent);<a name="line.889"></a>
+<span class="sourceLineNo">890</span><a name="line.890"></a>
+<span class="sourceLineNo">891</span> if (state != TransitionCode.READY_TO_SPLIT) {<a name="line.891"></a>
+<span class="sourceLineNo">892</span> throw new UnexpectedStateException("unsupported split regionState=" + state +<a name="line.892"></a>
+<span class="sourceLineNo">893</span> " for parent region " + parent +<a name="line.893"></a>
+<span class="sourceLineNo">894</span> " maybe an old RS (< 2.0) had the operation in progress");<a name="line.894"></a>
+<span class="sourceLineNo">895</span> }<a name="line.895"></a>
+<span class="sourceLineNo">896</span><a name="line.896"></a>
+<span class="sourceLineNo">897</span> // sanity check on the request<a name="line.897"></a>
+<span class="sourceLineNo">898</span> if (!Bytes.equals(hriA.getEndKey(), hriB.getStartKey())) {<a name="line.898"></a>
+<span class="sourceLineNo">899</span> throw new UnsupportedOperationException(<a name="line.899"></a>
+<span class="sourceLineNo">900</span> "unsupported split request with bad keys: parent=" + parent +<a name="line.900"></a>
+<span class="sourceLineNo">901</span> " hriA=" + hriA + " hriB=" + hriB);<a name="line.901"></a>
+<span class="sourceLineNo">902</span> }<a name="line.902"></a>
+<span class="sourceLineNo">903</span><a name="line.903"></a>
+<span class="sourceLineNo">904</span> // Submit the Split procedure<a name="line.904"></a>
+<span class="sourceLineNo">905</span> final byte[] splitKey = hriB.getStartKey();<a name="line.905"></a>
+<span class="sourceLineNo">906</span> if (LOG.isDebugEnabled()) {<a name="line.906"></a>
+<span class="sourceLineNo">907</span> LOG.debug("Split request from " + serverName +<a name="line.907"></a>
+<span class="sourceLineNo">908</span> ", parent=" + parent + " splitKey=" + Bytes.toStringBinary(splitKey));<a name="line.908"></a>
+<span class="sourceLineNo">909</span> }<a name="line.909"></a>
+<span class="sourceLineNo">910</span> master.getMasterProcedureExecutor().submitProcedure(createSplitProcedure(parent, splitKey));<a name="line.910"></a>
+<span class="sourceLineNo">911</span><a name="line.911"></a>
+<span class="sourceLineNo">912</span> // If the RS is < 2.0 throw an exception to abort the operation, we are handling the split<a name="line.912"></a>
+<span class="sourceLineNo">913</span> if (master.getServerManager().getVersionNumber(serverName) < 0x0200000) {<a name="line.913"></a>
+<span class="sourceLineNo">914</span> throw new UnsupportedOperationException(String.format(<a name="line.914"></a>
+<span class="sourceLineNo">915</span> "Split handled by the master: parent=%s hriA=%s hriB=%s", parent.getShortNameToLog(), hriA, hriB));<a name="line.915"></a>
+<span class="sourceLineNo">916</span> }<a name="line.916"></a>
+<span class="sourceLineNo">917</span> }<a name="line.917"></a>
+<span class="sourceLineNo">918</span><a name="line.918"></a>
+<span class="sourceLineNo">919</span> private void updateRegionMergeTransition(final ServerName serverName, final TransitionCode state,<a name="line.919"></a>
+<span class="sourceLineNo">920</span> final RegionInfo merged, final RegionInfo hriA, final RegionInfo hriB) throws IOException {<a name="line.920"></a>
+<span class="sourceLineNo">921</span> checkMetaLoaded(merged);<a name="line.921"></a>
<span class="sourceLineNo">922</span><a name="line.922"></a>
-<span class="sourceLineNo">923</span> // If the RS is < 2.0 throw an exception to abort the operation, we are handling the merge<a name="line.923"></a>
-<span class="sourceLineNo">924</span> if (master.getServerManager().getVersionNumber(serverName) < 0x0200000) {<a name="line.924"></a>
-<span class="sourceLineNo">925</span> throw new UnsupportedOperationException(String.format(<a name="line.925"></a>
-<span class="sourceLineNo">926</span> "Merge not handled yet: regionState=%s merged=%s hriA=%s hriB=%s", state, merged, hriA,<a name="line.926"></a>
-<span class="sourceLineNo">927</span> hriB));<a name="line.927"></a>
-<span class="sourceLineNo">928</span> }<a name="line.928"></a>
-<span class="sourceLineNo">929</span> }<a name="line.929"></a>
-<span class="sourceLineNo">930</span><a name="line.930"></a>
-<span class="sourceLineNo">931</span> // ============================================================================================<a name="line.931"></a>
-<span class="sourceLineNo">932</span> // RS Status update (report online regions) helpers<a name="line.932"></a>
-<span class="sourceLineNo">933</span> // ============================================================================================<a name="line.933"></a>
-<span class="sourceLineNo">934</span> /**<a name="line.934"></a>
-<span class="sourceLineNo">935</span> * the master will call this method when the RS send the regionServerReport().<a name="line.935"></a>
-<span class="sourceLineNo">936</span> * the report will contains the "online regions".<a name="line.936"></a>
-<span class="sourceLineNo">937</span> * this method will check the the online regions against the in-memory state of the AM,<a name="line.937"></a>
-<span class="sourceLineNo">938</span> * if there is a mismatch we will try to fence out the RS with the assumption<a name="line.938"></a>
-<span class="sourceLineNo">939</span> * that something went wrong on the RS side.<a name="line.939"></a>
-<span class="sourceLineNo">940</span> */<a name="line.940"></a>
-<span class="sourceLineNo">941</span> public void reportOnlineRegions(final ServerName serverName, final Set<byte[]> regionNames)<a name="line.941"></a>
-<span class="sourceLineNo">942</span> throws YouAreDeadException {<a name="line.942"></a>
-<span class="sourceLineNo">943</span> if (!isRunning()) return;<a name="line.943"></a>
-<span class="sourceLineNo">944</span> if (LOG.isTraceEnabled()) {<a name="line.944"></a>
-<span class="sourceLineNo">945</span> LOG.trace("ReportOnlineRegions " + serverName + " regionCount=" + regionNames.size() +<a name="line.945"></a>
-<span class="sourceLineNo">946</span> ", metaLoaded=" + isMetaLoaded() + " " +<a name="line.946"></a>
-<span class="sourceLineNo">947</span> regionNames.stream().map(element -> Bytes.toStringBinary(element)).<a name="line.947"></a>
-<span class="sourceLineNo">948</span> collect(Collectors.toList()));<a name="line.948"></a>
-<span class="sourceLineNo">949</span> }<a name="line.949"></a>
-<span class="sourceLineNo">950</span><a name="line.950"></a>
-<span class="sourceLineNo">951</span> final ServerStateNode serverNode = regionStates.getOrCreateServer(serverName);<a name="line.951"></a>
-<span class="sourceLineNo">952</span><a name="line.952"></a>
-<span class="sourceLineNo">953</span> synchronized (serverNode) {<a name="line.953"></a>
-<span class="sourceLineNo">954</span> if (!serverNode.isInState(ServerState.ONLINE)) {<a name="line.954"></a>
-<span class="sourceLineNo">955</span> LOG.warn("Got a report from a server result in state " + serverNode.getState());<a name="line.955"></a>
-<span class="sourceLineNo">956</span> return;<a name="line.956"></a>
-<span class="sourceLineNo">957</span> }<a name="line.957"></a>
-<span class="sourceLineNo">958</span> }<a name="line.958"></a>
-<span class="sourceLineNo">959</span><a name="line.959"></a>
-<span class="sourceLineNo">960</span> if (regionNames.isEmpty()) {<a name="line.960"></a>
-<span class="sourceLineNo">961</span> // nothing to do if we don't have regions<a name="line.961"></a>
-<span class="sourceLineNo">962</span> LOG.trace("no online region found on " + serverName);<a name="line.962"></a>
-<span class="sourceLineNo">963</span> } else if (!isMetaLoaded()) {<a name="line.963"></a>
-<span class="sourceLineNo">964</span> // if we are still on startup, discard the report unless is from someone holding meta<a name="line.964"></a>
-<span class="sourceLineNo">965</span> checkOnlineRegionsReportForMeta(serverNode, regionNames);<a name="line.965"></a>
-<span class="sourceLineNo">966</span> } else {<a name="line.966"></a>
-<span class="sourceLineNo">967</span> // The Heartbeat updates us of what regions are only. check and verify the state.<a name="line.967"></a>
-<span class="sourceLineNo">968</span> checkOnlineRegionsReport(serverNode, regionNames);<a name="line.968"></a>
-<span class="sourceLineNo">969</span> }<a name="line.969"></a>
-<span class="sourceLineNo">970</span><a name="line.970"></a>
-<span class="sourceLineNo">971</span> // wake report event<a name="line.971"></a>
-<span class="sourceLineNo">972</span> wakeServerReportEvent(serverNode);<a name="line.972"></a>
-<span class="sourceLineNo">973</span> }<a name="line.973"></a>
-<span class="sourceLineNo">974</span><a name="line.974"></a>
-<span class="sourceLineNo">975</span> void checkOnlineRegionsReportForMeta(final ServerStateNode serverNode,<a name="line.975"></a>
-<span class="sourceLineNo">976</span> final Set<byte[]> regionNames) {<a name="line.976"></a>
-<span class="sourceLineNo">977</span> try {<a name="line.977"></a>
-<span class="sourceLineNo">978</span> for (byte[] regionName: regionNames) {<a name="line.978"></a>
-<span class="sourceLineNo">979</span> final RegionInfo hri = getMetaRegionFromName(regionName);<a name="line.979"></a>
-<span class="sourceLineNo">980</span> if (hri == null) {<a name="line.980"></a>
-<span class="sourceLineNo">981</span> if (LOG.isTraceEnabled()) {<a name="line.981"></a>
-<span class="sourceLineNo">982</span> LOG.trace("Skip online report for region=" + Bytes.toStringBinary(regionName) +<a name="line.982"></a>
-<span class="sourceLineNo">983</span> " while meta is loading");<a name="line.983"></a>
-<span class="sourceLineNo">984</span> }<a name="line.984"></a>
-<span class="sourceLineNo">985</span> continue;<a name="line.985"></a>
-<span class="sourceLineNo">986</span> }<a name="line.986"></a>
-<span class="sourceLineNo">987</span><a name="line.987"></a>
-<span class="sourceLineNo">988</span> final RegionStateNode regionNode = regionStates.getOrCreateRegionStateNode(hri);<a name="line.988"></a>
-<span class="sourceLineNo">989</span> LOG.info("META REPORTED: " + regionNode);<a name="line.989"></a>
-<span class="sourceLineNo">990</span> if (!reportTransition(regionNode, serverNode, TransitionCode.OPENED, 0)) {<a name="line.990"></a>
-<span class="sourceLineNo">991</span> LOG.warn("META REPORTED but no procedure found (complete?); set location=" +<a name="line.991"></a>
-<span class="sourceLineNo">992</span> serverNode.getServerName());<a name="line.992"></a>
-<span class="sourceLineNo">993</span> regionNode.setRegionLocation(serverNode.getServerName());<a name="line.993"></a>
-<span class="sourceLineNo">994</span> } else if (LOG.isTraceEnabled()) {<a name="line.994"></a>
-<span class="sourceLineNo">995</span> LOG.trace("META REPORTED: " + regionNode);<a name="line.995"></a>
-<span class="sourceLineNo">996</span> }<a name="line.996"></a>
-<span class="sourceLineNo">997</span> }<a name="line.997"></a>
-<span class="sourceLineNo">998</span> } catch (UnexpectedStateException e) {<a name="line.998"></a>
-<span class="sourceLineNo">999</span> final ServerName serverName = serverNode.getServerName();<a name="line.999"></a>
-<span class="sourceLineNo">1000</span> LOG.warn("KILLING " + serverName + ": " + e.getMessage());<a name="line.1000"></a>
-<span class="sourceLineNo">1001</span> killRegionServer(serverNode);<a name="line.1001"></a>
-<span class="sourceLineNo">1002</span> }<a name="line.1002"></a>
-<span class="sourceLineNo">1003</span> }<a name="line.1003"></a>
-<span class="sourceLineNo">1004</span><a name="line.1004"></a>
-<span class="sourceLineNo">1005</span> void checkOnlineRegionsReport(final ServerStateNode serverNode, final Set<byte[]> regionNames)<a name="line.1005"></a>
-<span class="sourceLineNo">1006</span> throws YouAreDeadException {<a name="line.1006"></a>
-<span class="sourceLineNo">1007</span> final ServerName serverName = serverNode.getServerName();<a name="line.1007"></a>
-<span class="sourceLineNo">1008</span> try {<a name="line.1008"></a>
-<span class="sourceLineNo">1009</span> for (byte[] regionName: regionNames) {<a name="line.1009"></a>
-<span class="sourceLineNo">1010</span> if (!isRunning()) return;<a name="line.1010"></a>
-<span class="sourceLineNo">1011</span> final RegionStateNode regionNode = regionStates.getRegionStateNodeFromName(regionName);<a name="line.1011"></a>
-<span class="sourceLineNo">1012</span> if (regionNode == null) {<a name="line.1012"></a>
-<span class="sourceLineNo">1013</span> throw new UnexpectedStateException("Not online: " + Bytes.toStringBinary(regionName));<a name="line.1013"></a>
-<span class="sourceLineNo">1014</span> }<a name="line.1014"></a>
-<span class="sourceLineNo">1015</span> synchronized (regionNode) {<a name="line.1015"></a>
-<span class="sourceLineNo">1016</span> if (regionNode.isInState(State.OPENING, State.OPEN)) {<a name="line.1016"></a>
-<span class="sourceLineNo">1017</span> if (!regionNode.getRegionLocation().equals(serverName)) {<a name="line.1017"></a>
-<span class="sourceLineNo">1018</span> throw new UnexpectedStateException(regionNode.toString() +<a name="line.1018"></a>
-<span class="sourceLineNo">1019</span> " reported OPEN on server=" + serverName +<a name="line.1019"></a>
-<span class="sourceLineNo">1020</span> " but state has otherwise.");<a name="line.1020"></a>
-<span class="sourceLineNo">1021</span> } else if (regionNode.isInState(State.OPENING)) {<a name="line.1021"></a>
-<span class="sourceLineNo">1022</span> try {<a name="line.1022"></a>
-<span class="sourceLineNo">1023</span> if (!reportTransition(regionNode, serverNode, TransitionCode.OPENED, 0)) {<a name="line.1023"></a>
-<span class="sourceLineNo">1024</span> LOG.warn(regionNode.toString() + " reported OPEN on server=" + serverName +<a name="line.1024"></a>
-<span class="sourceLineNo">1025</span> " but state has otherwise AND NO procedure is running");<a name="line.1025"></a>
-<span class="sourceLineNo">1026</span> }<a name="line.1026"></a>
-<span class="sourceLineNo">1027</span> } catch (UnexpectedStateException e) {<a name="line.1027"></a>
-<span class="sourceLineNo">1028</span> LOG.warn(regionNode.toString() + " reported unexpteced OPEN: " + e.getMessage(), e);<a name="line.1028"></a>
-<span class="sourceLineNo">1029</span> }<a name="line.1029"></a>
-<span class="sourceLineNo">1030</span> }<a name="line.1030"></a>
-<span class="sourceLineNo">1031</span> } else if (!regionNode.isInState(State.CLOSING, State.SPLITTING)) {<a name="line.1031"></a>
-<span class="sourceLineNo">1032</span> long diff = regionNode.getLastUpdate() - EnvironmentEdgeManager.currentTime();<a name="line.1032"></a>
-<span class="sourceLineNo">1033</span> if (diff > 1000/*One Second... make configurable if an issue*/) {<a name="line.1033"></a>
-<span class="sourceLineNo">1034</span> // So, we can get report that a region is CLOSED or SPLIT because a heartbeat<a name="line.1034"></a>
-<span class="sourceLineNo">1035</span> // came in at about same time as a region transition. Make sure there is some<a name="line.1035"></a>
-<span class="sourceLineNo">1036</span> // elapsed time between killing remote server.<a name="line.1036"></a>
-<span class="sourceLineNo">1037</span> throw new UnexpectedStateException(regionNode.toString() +<a name="line.1037"></a>
-<span class="sourceLineNo">1038</span> " reported an unexpected OPEN; time since last update=" + diff);<a name="line.1038"></a>
-<span class="sourceLineNo">1039</span> }<a name="line.1039"></a>
-<span class="sourceLineNo">1040</span> }<a name="line.1040"></a>
-<span class="sourceLineNo">1041</span> }<a name="line.1041"></a>
-<span class="sourceLineNo">1042</span> }<a name="line.1042"></a>
-<span class="sourceLineNo">1043</span> } catch (UnexpectedStateException e) {<a name="line.1043"></a>
-<span class="sourceLineNo">1044</span> LOG.warn("Killing " + serverName + ": " + e.getMessage());<a name="line.1044"></a>
-<span class="sourceLineNo">1045</span> killRegionServer(serverNode);<a name="line.1045"></a>
-<span class="sourceLineNo">1046</span> throw (YouAreDeadException)new YouAreDeadException(e.getMessage()).initCause(e);<a name="line.1046"></a>
-<span class="sourceLineNo">1047</span> }<a name="line.1047"></a>
-<span class="sourceLineNo">1048</span> }<a name="line.1048"></a>
-<span class="sourceLineNo">1049</span><a name="line.1049"></a>
-<span class="sourceLineNo">1050</span> protected boolean waitServerReportEvent(ServerName serverName, Procedure<?> proc) {<a name="line.1050"></a>
-<span class="sourceLineNo">1051</span> final ServerStateNode serverNode = regionStates.getOrCreateServer(serverName);<a name="line.1051"></a>
-<span class="sourceLineNo">1052</span> if (serverNode == null) {<a name="line.1052"></a>
-<span class="sourceLineNo">1053</span> LOG.warn("serverName=null; {}", proc);<a name="line.1053"></a>
-<span class="sourceLineNo">1054</span> }<a name="line.1054"></a>
-<span class="sourceLineNo">1055</span> return serverNode.getReportEvent().suspendIfNotReady(proc);<a name="line.1055"></a>
-<span class="sourceLineNo">1056</span> }<a name="line.1056"></a>
-<span class="sourceLineNo">1057</span><a name="line.1057"></a>
-<span class="sourceLineNo">1058</span> protected void wakeServerReportEvent(final ServerStateNode serverNode) {<a name="line.1058"></a>
-<span class="sourceLineNo">1059</span> serverNode.getReportEvent().wake(getProcedureScheduler());<a name="line.1059"></a>
+<span class="sourceLineNo">923</span> if (state != TransitionCode.READY_TO_MERGE) {<a name="line.923"></a>
+<span class="sourceLineNo">924</span> throw new UnexpectedStateException("Unsupported merge regionState=" + state +<a name="line.924"></a>
+<span class="sourceLineNo">925</span> " for regionA=" + hriA + " regionB=" + hriB + " merged=" + merged +<a name="line.925"></a>
+<span class="sourceLineNo">926</span> " maybe an old RS (< 2.0) had the operation in progress");<a name="line.926"></a>
+<span class="sourceLineNo">927</span> }<a name="line.927"></a>
+<span class="sourceLineNo">928</span><a name="line.928"></a>
+<span class="sourceLineNo">929</span> // Submit the Merge procedure<a name="line.929"></a>
+<span class="sourceLineNo">930</span> if (LOG.isDebugEnabled()) {<a name="line.930"></a>
+<span class="sourceLineNo">931</span> LOG.debug("Handling merge request from RS=" + merged + ", merged=" + merged);<a name="line.931"></a>
+<span class="sourceLineNo">932</span> }<a name="line.932"></a>
+<span class="sourceLineNo">933</span> master.getMasterProcedureExecutor().submitProcedure(createMergeProcedure(hriA, hriB));<a name="line.933"></a>
+<span class="sourceLineNo">934</span><a name="line.934"></a>
+<span class="sourceLineNo">935</span> // If the RS is < 2.0 throw an exception to abort the operation, we are handling the merge<a name="line.935"></a>
+<span class="sourceLineNo">936</span> if (master.getServerManager().getVersionNumber(serverName) < 0x0200000) {<a name="line.936"></a>
+<span class="sourceLineNo">937</span> throw new UnsupportedOperationException(String.format(<a name="line.937"></a>
+<span class="sourceLineNo">938</span> "Merge not handled yet: regionState=%s merged=%s hriA=%s hriB=%s", state, merged, hriA,<a name="line.938"></a>
+<span class="sourceLineNo">939</span> hriB));<a name="line.939"></a>
+<span class="sourceLineNo">940</span> }<a name="line.940"></a>
+<span class="sourceLineNo">941</span> }<a name="line.941"></a>
+<span class="sourceLineNo">942</span><a name="line.942"></a>
+<span class="sourceLineNo">943</span> // ============================================================================================<a name="line.943"></a>
+<span class="sourceLineNo">944</span> // RS Status update (report online regions) helpers<a name="line.944"></a>
+<span class="sourceLineNo">945</span> // ============================================================================================<a name="line.945"></a>
+<span class="sourceLineNo">946</span> /**<a name="line.946"></a>
+<span class="sourceLineNo">947</span> * the master will call this method when the RS send the regionServerReport().<a name="line.947"></a>
+<span class="sourceLineNo">948</span> * the report will contains the "online regions".<a name="line.948"></a>
+<span class="sourceLineNo">949</span> * this method will check the the online regions against the in-memory state of the AM,<a name="line.949"></a>
+<span class="sourceLineNo">950</span> * if there is a mismatch we will try to fence out the RS with the assumption<a name="line.950"></a>
+<span class="sourceLineNo">951</span> * that something went wrong on the RS side.<a name="line.951"></a>
+<span class="sourceLineNo">952</span> */<a name="line.952"></a>
+<span class="sourceLineNo">953</span> public void reportOnlineRegions(final ServerName serverName, final Set<byte[]> regionNames)<a name="line.953"></a>
+<span class="sourceLineNo">954</span> throws YouAreDeadException {<a name="line.954"></a>
+<span class="sourceLineNo">955</span> if (!isRunning()) return;<a name="line.955"></a>
+<span class="sourceLineNo">956</span> if (LOG.isTraceEnabled()) {<a name="line.956"></a>
+<span class="sourceLineNo">957</span> LOG.trace("ReportOnlineRegions " + serverName + " regionCount=" + regionNames.size() +<a name="line.957"></a>
+<span class="sourceLineNo">958</span> ", metaLoaded=" + isMetaLoaded() + " " +<a name="line.958"></a>
+<span class="sourceLineNo">959</span> regionNames.stream().map(element -> Bytes.toStringBinary(element)).<a name="line.959"></a>
+<span class="sourceLineNo">960</span> collect(Collectors.toList()));<a name="line.960"></a>
+<span class="sourceLineNo">961</span> }<a name="line.961"></a>
+<span class="sourceLineNo">962</span><a name="line.962"></a>
+<span class="sourceLineNo">963</span> final ServerStateNode serverNode = regionStates.getOrCreateServer(serverName);<a name="line.963"></a>
+<span class="sourceLineNo">964</span><a name="line.964"></a>
+<span class="sourceLineNo">965</span> synchronized (serverNode) {<a name="line.965"></a>
+<span class="sourceLineNo">966</span> if (!serverNode.isInState(ServerState.ONLINE)) {<a name="line.966"></a>
+<span class="sourceLineNo">967</span> LOG.warn("Got a report from a server result in state " + serverNode.getState());<a name="line.967"></a>
+<span class="sourceLineNo">968</span> return;<a name="line.968"></a>
+<span class="sourceLineNo">969</span> }<a name="line.969"></a>
+<span class="sourceLineNo">970</span> }<a name="line.970"></a>
+<span class="sourceLineNo">971</span><a name="line.971"></a>
+<span class="sourceLineNo">972</span> if (regionNames.isEmpty()) {<a name="line.972"></a>
+<span class="sourceLineNo">973</span> // nothing to do if we don't have regions<a name="line.973"></a>
+<span class="sourceLineNo">974</span> LOG.trace("no online region found on " + serverName);<a name="line.974"></a>
+<span class="sourceLineNo">975</span> } else if (!isMetaLoaded()) {<a name="line.975"></a>
+<span class="sourceLineNo">976</span> // if we are still on startup, discard the report unless is from someone holding meta<a name="line.976"></a>
+<span class="sourceLineNo">977</span> checkOnlineRegionsReportForMeta(serverNode, regionNames);<a name="line.977"></a>
+<span class="sourceLineNo">978</span> } else {<a name="line.978"></a>
+<span class="sourceLineNo">979</span> // The Heartbeat updates us of what regions are only. check and verify the state.<a name="line.979"></a>
+<span class="sourceLineNo">980</span> checkOnlineRegionsReport(serverNode, regionNames);<a name="line.980"></a>
+<span class="sourceLineNo">981</span> }<a name="line.981"></a>
+<span class="sourceLineNo">982</span><a name="line.982"></a>
+<span class="sourceLineNo">983</span> // wake report event<a name="line.983"></a>
+<span class="sourceLineNo">984</span> wakeServerReportEvent(serverNode);<a name="line.984"></a>
+<span class="sourceLineNo">985</span> }<a name="line.985"></a>
+<span class="sourceLineNo">986</span><a name="line.986"></a>
+<span class="sourceLineNo">987</span> void checkOnlineRegionsReportForMeta(final ServerStateNode serverNode,<a name="line.987"></a>
+<span class="sourceLineNo">988</span> final Set<byte[]> regionNames) {<a name="line.988"></a>
+<span class="sourceLineNo">989</span> try {<a name="line.989"></a>
+<span class="sourceLineNo">990</span> for (byte[] regionName: regionNames) {<a name="line.990"></a>
+<span class="sourceLineNo">991</span> final RegionInfo hri = getMetaRegionFromName(regionName);<a name="line.991"></a>
+<span class="sourceLineNo">992</span> if (hri == null) {<a name="line.992"></a>
+<span class="sourceLineNo">993</span> if (LOG.isTraceEnabled()) {<a name="line.993"></a>
+<span class="sourceLineNo">994</span> LOG.trace("Skip online report for region=" + Bytes.toStringBinary(regionName) +<a name="line.994"></a>
+<span class="sourceLineNo">995</span> " while meta is loading");<a name="line.995"></a>
+<span class="sourceLineNo">996</span> }<a name="line.996"></a>
+<span class="sourceLineNo">997</span> continue;<a name="line.997"></a>
+<span class="sourceLineNo">998</span> }<a name="line.998"></a>
+<span class="sourceLineNo">999</span><a name="line.999"></a>
+<span class="sourceLineNo">1000</span> final RegionStateNode regionNode = regionStates.getOrCreateRegionStateNode(hri);<a name="line.1000"></a>
+<span class="sourceLineNo">1001</span> LOG.info("META REPORTED: " + regionNode);<a name="line.1001"></a>
+<span class="sourceLineNo">1002</span> if (!reportTransition(regionNode, serverNode, TransitionCode.OPENED, 0)) {<a name="line.1002"></a>
+<span class="sourceLineNo">1003</span> LOG.warn("META REPORTED but no procedure found (complete?); set location=" +<a name="line.1003"></a>
+<span class="sourceLineNo">1004</span> serverNode.getServerName());<a name="line.1004"></a>
+<span class="sourceLineNo">1005</span> regionNode.setRegionLocation(serverNode.getServerName());<a name="line.1005"></a>
+<span class="sourceLineNo">1006</span> } else if (LOG.isTraceEnabled()) {<a name="line.1006"></a>
+<span class="sourceLineNo">1007</span> LOG.trace("META REPORTED: " + regionNode);<a name="line.1007"></a>
+<span class="sourceLineNo">1008</span> }<a name="line.1008"></a>
+<span class="sourceLineNo">1009</span> }<a name="line.1009"></a>
+<span class="sourceLineNo">1010</span> } catch (UnexpectedStateException e) {<a name="line.1010"></a>
+<span class="sourceLineNo">1011</span> final ServerName serverName = serverNode.getServerName();<a name="line.1011"></a>
+<span class="sourceLineNo">1012</span> LOG.warn("KILLING " + serverName + ": " + e.getMessage());<a name="line.1012"></a>
+<span class="sourceLineNo">1013</span> killRegionServer(serverNode);<a name="line.1013"></a>
+<span class="sourceLineNo">1014</span> }<a name="line.1014"></a>
+<span class="sourceLineNo">1015</span> }<a name="line.1015"></a>
+<span class="sourceLineNo">1016</span><a name="line.1016"></a>
+<span class="sourceLineNo">1017</span> void checkOnlineRegionsReport(final ServerStateNode serverNode, final Set<byte[]> regionNames)<a name="line.1017"></a>
+<span class="sourceLineNo">1018</span> throws YouAreDeadException {<a name="line.1018"></a>
+<span class="sourceLineNo">1019</span> final ServerName serverName = serverNode.getServerName();<a name="line.1019"></a>
+<span class="sourceLineNo">1020</span> try {<a name="line.1020"></a>
+<span class="sourceLineNo">1021</span> for (byte[] regionName: regionNames) {<a name="line.1021"></a>
+<span class="sourceLineNo">1022</span> if (!isRunning()) return;<a name="line.1022"></a>
+<span class="sourceLineNo">1023</span> final RegionStateNode regionNode = regionStates.getRegionStateNodeFromName(regionName);<a name="line.1023"></a>
+<span class="sourceLineNo">1024</span> if (regionNode == null) {<a name="line.1024"></a>
+<span class="sourceLineNo">1025</span> throw new UnexpectedStateException("Not online: " + Bytes.toStringBinary(regionName));<a name="line.1025"></a>
+<span class="sourceLineNo">1026</span> }<a name="line.1026"></a>
+<span class="sourceLineNo">1027</span> synchronized (regionNode) {<a name="line.1027"></a>
+<span class="sourceLineNo">1028</span> if (regionNode.isInState(State.OPENING, State.OPEN)) {<a name="line.1028"></a>
+<span class="sourceLineNo">1029</span> if (!regionNode.getRegionLocation().equals(serverName)) {<a name="line.1029"></a>
+<span class="sourceLineNo">1030</span> throw new UnexpectedStateException(regionNode.toString() +<a name="line.1030"></a>
+<span class="sourceLineNo">1031</span> " reported OPEN on server=" + serverName +<a name="line.1031"></a>
+<span class="sourceLineNo">1032</span> " but state has otherwise.");<a name="line.1032"></a>
+<span class="sourceLineNo">1033</span> } else if (regionNode.isInState(State.OPENING)) {<a name="line.1033"></a>
+<span class="sourceLineNo">1034</span> try {<a name="line.1034"></a>
+<span class="sourceLineNo">1035</span> if (!reportTransition(regionNode, serverNode, TransitionCode.OPENED, 0)) {<a name="line.1035"></a>
+<span class="sourceLineNo">1036</span> LOG.warn(regionNode.toString() + " reported OPEN on server=" + serverName +<a name="line.1036"></a>
+<span class="sourceLineNo">1037</span> " but state has otherwise AND NO procedure is running");<a name="line.1037"></a>
+<span class="sourceLineNo">1038</span> }<a name="line.1038"></a>
+<span class="sourceLineNo">1039</span> } catch (UnexpectedStateException e) {<a name="line.1039"></a>
+<span class="sourceLineNo">1040</span> LOG.warn(regionNode.toString() + " reported unexpteced OPEN: " + e.getMessage(), e);<a name="line.1040"></a>
+<span class="sourceLineNo">1041</span> }<a name="line.1041"></a>
+<span class="sourceLineNo">1042</span> }<a name="line.1042"></a>
+<span class="sourceLineNo">1043</span> } else if (!regionNode.isInState(State.CLOSING, State.SPLITTING)) {<a name="line.1043"></a>
+<span class="sourceLineNo">1044</span> long diff = regionNode.getLastUpdate() - EnvironmentEdgeManager.currentTime();<a name="line.1044"></a>
+<span class="sourceLineNo">1045</span> if (diff > 1000/*One Second... make configurable if an issue*/) {<a name="line.1045"></a>
+<span class="sourceLineNo">1046</span> // So, we can get report that a region is CLOSED or SPLIT because a heartbeat<a name="line.1046"></a>
+<span class="sourceLineNo">1047</span> // came in at about same time as a region transition. Make sure there is some<a name="line.1047"></a>
+<span class="sourceLineNo">1048</span> // elapsed time between killing remote server.<a name="line.1048"></a>
+<span class="sourceLineNo">1049</span> throw new UnexpectedStateException(regionNode.toString() +<a name="line.1049"></a>
+<span class="sourceLineNo">1050</span> " reported an unexpected OPEN; time since last update=" + diff);<a name="line.1050"></a>
+<span class="sourceLineNo">1051</span> }<a name="line.1051"></a>
+<span class="sourceLineNo">1052</span> }<a name="line.1052"></a>
+<span class="sourceLineNo">1053</span> }<a name="line.1053"></a>
+<span class="sourceLineNo">1054</span> }<a name="line.1054"></a>
+<span class="sourceLineNo">1055</span> } catch (UnexpectedStateException e) {<a name="line.1055"></a>
+<span class="sourceLineNo">1056</span> LOG.warn("Killing " + serverName + ": " + e.getMessage());<a name="line.1056"></a>
+<span class="sourceLineNo">1057</span> killRegionServer(serverNode);<a name="line.1057"></a>
+<span class="sourceLineNo">1058</span> throw (YouAreDeadException)new YouAreDeadException(e.getMessage()).initCause(e);<a name="line.1058"></a>
+<span class="sourceLineNo">1059</span> }<a name="line.1059"></a>
<span class="sourceLineNo">1060</span> }<a name="line.1060"></a>
<span class="sourceLineNo">1061</span><a name="line.1061"></a>
-<span class="sourceLineNo">1062</span> // ============================================================================================<a name="line.1062"></a>
-<span class="sourceLineNo">1063</span> // RIT chore<a name="line.1063"></a>
-<span class="sourceLineNo">1064</span> // ============================================================================================<a name="line.1064"></a>
-<span class="sourceLineNo">1065</span> private static class RegionInTransitionChore extends ProcedureInMemoryChore<MasterProcedureEnv> {<a name="line.1065"></a>
-<span class="sourceLineNo">1066</span> public RegionInTransitionChore(final int timeoutMsec) {<a name="line.1066"></a>
-<span class="sourceLineNo">1067</span> super(timeoutMsec);<a name="line.1067"></a>
-<span class="sourceLineNo">1068</span> }<a name="line.1068"></a>
+<span class="sourceLineNo">1062</span> protected boolean waitServerReportEvent(ServerName serverName, Procedure<?> proc) {<a name="line.1062"></a>
+<span class="sourceLineNo">1063</span> final ServerStateNode serverNode = regionStates.getOrCreateServer(serverName);<a name="line.1063"></a>
+<span class="sourceLineNo">1064</span> if (serverNode == null) {<a name="line.1064"></a>
+<span class="sourceLineNo">1065</span> LOG.warn("serverName=null; {}", proc);<a name="line.1065"></a>
+<span class="sourceLineNo">1066</span> }<a name="line.1066"></a>
+<span class="sourceLineNo">1067</span> return serverNode.getReportEvent().suspendIfNotReady(proc);<a name="line.1067"></a>
+<span class="sourceLineNo">1068</span> }<a name="line.1068"></a>
<span class="sourceLineNo">1069</span><a name="line.1069"></a>
-<span class="sourceLineNo">1070</span> @Override<a name="line.1070"></a>
-<span class="sourceLineNo">1071</span> protected void periodicExecute(final MasterProcedureEnv env) {<a name="line.1071"></a>
-<span class="sourceLineNo">1072</span> final AssignmentManager am = env.getAssignmentManager();<a name="line.1072"></a>
+<span class="sourceLineNo">1070</span> protected void wakeServerReportEvent(final ServerStateNode serverNode) {<a name="line.1070"></a>
+<span class="sourceLineNo">1071</span> serverNode.getReportEvent().wake(getProcedureScheduler());<a name="line.1071"></a>
+<span class="sourceLineNo">1072</span> }<a name="line.1072"></a>
<span class="sourceLineNo">1073</span><a name="line.1073"></a>
-<span class="sourceLineNo">1074</span> final RegionInTransitionStat ritStat = am.computeRegionInTransitionStat();<a name="line.1074"></a>
-<span class="sourceLineNo">1075</span> if (ritStat.hasRegionsOverThreshold()) {<a name="line.1075"></a>
-<span class="sourceLineNo">1076</span> for (RegionState hri: ritStat.getRegionOverThreshold()) {<a name="line.1076"></a>
-<span class="sourceLineNo">1077</span> am.handleRegionOverStuckWarningThreshold(hri.getRegion());<a name="line.1077"></a>
-<span class="sourceLineNo">1078</span> }<a name="line.1078"></a>
-<span class="sourceLineNo">1079</span> }<a name="line.1079"></a>
-<span class="sourceLineNo">1080</span><a name="line.1080"></a>
-<span class="sourceLineNo">1081</span> // update metrics<a name="line.1081"></a>
-<span class="sourceLineNo">1082</span> am.updateRegionsInTransitionMetrics(ritStat);<a name="line.1082"></a>
-<span class="sourceLineNo">1083</span> }<a name="line.1083"></a>
-<span class="sourceLineNo">1084</span> }<a name="line.1084"></a>
+<span class="sourceLineNo">1074</span> // ============================================================================================<a name="line.1074"></a>
+<span class="sourceLineNo">1075</span> // RIT chore<a name="line.1075"></a>
+<span class="sourceLineNo">1076</span> // ============================================================================================<a name="line.1076"></a>
+<span class="sourceLineNo">1077</span> private static class RegionInTransitionChore extends ProcedureInMemoryChore<MasterProcedureEnv> {<a name="line.1077"></a>
+<span class="sourceLineNo">1078</span> public RegionInTransitionChore(final int timeoutMsec) {<a name="line.1078"></a>
+<span class="sourceLineNo">1079</span> super(timeoutMsec);<a name="line.1079"></a>
+<span class="sourceLineNo">1080</span> }<a name="line.1080"></a>
+<span class="sourceLineNo">1081</span><a name="line.1081"></a>
+<span class="sourceLineNo">1082</span> @Override<a name="line.1082"></a>
+<span class="sourceLineNo">1083</span> protected void periodicExecute(final MasterProcedureEnv env) {<a name="line.1083"></a>
+<span class="sourceLineNo">1084</span> final AssignmentManager am = env.getAssignmentManager();<a name="line.1084"></a>
<span class="sourceLineNo">1085</span><a name="line.1085"></a>
-<span class="sourceLineNo">1086</span> public RegionInTransitionStat computeRegionInTransitionStat() {<a name="line.1086"></a>
-<span class="sourceLineNo">1087</span> final RegionInTransitionStat rit = new RegionInTransitionStat(getConfiguration());<a name="line.1087"></a>
-<span class="sourceLineNo">1088</span> rit.update(this);<a name="line.1088"></a>
-<span class="sourceLineNo">1089</span> return rit;<a name="line.1089"></a>
-<span class="sourceLineNo">1090</span> }<a name="line.1090"></a>
-<span class="sourceLineNo">1091</span><a name="line.1091"></a>
-<span class="sourceLineNo">1092</span> public static class RegionInTransitionStat {<a name="line.1092"></a>
-<span class="sourceLineNo">1093</span> private final int ritThreshold;<a name="line.1093"></a>
-<span class="sourceLineNo">1094</span><a name="line.1094"></a>
-<span class="sourceLineNo">1095</span> private HashMap<String, RegionState> ritsOverThreshold = null;<a name="line.1095"></a>
-<span class="sourceLineNo">1096</span> private long statTimestamp;<a name="line.1096"></a>
-<span class="sourceLineNo">1097</span> private long oldestRITTime = 0;<a name="line.1097"></a>
-<span class="sourceLineNo">1098</span> private int totalRITsTwiceThreshold = 0;<a name="line.1098"></a>
-<span class="sourceLineNo">1099</span> private int totalRITs = 0;<a name="line.1099"></a>
-<span class="sourceLineNo">1100</span><a name="line.1100"></a>
-<span class="sourceLineNo">1101</span> @VisibleForTesting<a name="line.1101"></a>
-<span class="sourceLineNo">1102</span> public RegionInTransitionStat(final Configuration conf) {<a name="line.1102"></a>
-<span class="sourceLineNo">1103</span> this.ritThreshold =<a name="line.1103"></a>
-<span class="sourceLineNo">1104</span> conf.getInt(METRICS_RIT_STUCK_WARNING_THRESHOLD, DEFAULT_RIT_STUCK_WARNING_THRESHOLD);<a name="line.1104"></a>
-<span class="sourceLineNo">1105</span> }<a name="line.1105"></a>
+<span class="sourceLineNo">1086</span> final RegionInTransitionStat ritStat = am.computeRegionInTransitionStat();<a name="line.1086"></a>
+<span class="sourceLineNo">1087</span> if (ritStat.hasRegionsOverThreshold()) {<a name="line.1087"></a>
+<span class="sourceLineNo">1088</span> for (RegionState hri: ritStat.getRegionOverThreshold()) {<a name="line.1088"></a>
+<span class="sourceLineNo">1089</span> am.handleRegionOverStuckWarningThreshold(hri.getRegion());<a name="line.1089"></a>
+<span class="sourceLineNo">1090</span> }<a name="line.1090"></a>
+<span class="sourceLineNo">1091</span> }<a name="line.1091"></a>
+<span class="sourceLineNo">1092</span><a name="line.1092"></a>
+<span class="sourceLineNo">1093</span> // update metrics<a name="line.1093"></a>
+<span class="sourceLineNo">1094</span> am.updateRegionsInTransitionMetrics(ritStat);<a name="line.1094"></a>
+<span class="sourceLineNo">1095</span> }<a name="line.1095"></a>
+<span class="sourceLineNo">1096</span> }<a name="line.1096"></a>
+<span class="sourceLineNo">1097</span><a name="line.1097"></a>
+<span class="sourceLineNo">1098</span> public RegionInTransitionStat computeRegionInTransitionStat() {<a name="line.1098"></a>
+<span class="sourceLineNo">1099</span> final RegionInTransitionStat rit = new RegionInTransitionStat(getConfiguration());<a name="line.1099"></a>
+<span class="sourceLineNo">1100</span> rit.update(this);<a name="line.1100"></a>
+<span class="sourceLineNo">1101</span> return rit;<a name="line.1101"></a>
+<span class="sourceLineNo">1102</span> }<a name="line.1102"></a>
+<span class="sourceLineNo">1103</span><a name="line.1103"></a>
+<span class="sourceLineNo">1104</span> public static class RegionInTransitionStat {<a name="line.1104"></a>
+<span class="sourceLineNo">1105</span> private final int ritThreshold;<a name="line.1105"></a>
<span class="sourceLineNo">1106</span><a name="line.1106"></a>
-<span class="sourceLineNo">1107</span> public int getRITThreshold() {<a name="line.1107"></a>
-<span class="sourceLineNo">1108</span> return ritThreshold;<a name="line.1108"></a>
-<span class="sourceLineNo">1109</span> }<a name="line.1109"></a>
-<span class="sourceLineNo">1110</span><a name="line.1110"></a>
-<span class="sourceLineNo">1111</span> public long getTimestamp() {<a name="line.1111"></a>
-<span class="sourceLineNo">1112</span> return statTimestamp;<a name="line.1112"></a>
-<span class="sourceLineNo">1113</span> }<a name="line.1113"></a>
-<span class="sourceLineNo">1114</span><a name="line.1114"></a>
-<span class="sourceLineNo">1115</span> public int getTotalRITs() {<a name="line.1115"></a>
-<span class="sourceLineNo">1116</span> return totalRITs;<a name="line.1116"></a>
+<span class="sourceLineNo">1107</span> private HashMap<String, RegionState> ritsOverThreshold = null;<a name="line.1107"></a>
+<span class="sourceLineNo">1108</span> private long statTimestamp;<a name="line.1108"></a>
+<span class="sourceLineNo">1109</span> private long oldestRITTime = 0;<a name="line.1109"></a>
+<span class="sourceLineNo">1110</span> private int totalRITsTwiceThreshold = 0;<a name="line.1110"></a>
+<span class="sourceLineNo">1111</span> private int totalRITs = 0;<a name="line.1111"></a>
+<span class="sourceLineNo">1112</span><a name="line.1112"></a>
+<span class="sourceLineNo">1113</span> @VisibleForTesting<a name="line.1113"></a>
+<span class="sourceLineNo">1114</span> public RegionInTransitionStat(final Configuration conf) {<a name="line.1114"></a>
+<span class="sourceLineNo">1115</span> this.ritThreshold =<a name="line.1115"></a>
+<span class="sourceLineNo">1116</span> conf.getInt(METRICS_RIT_STUCK_WARNING_THRESHOLD, DEFAULT_RIT_STUCK_WARNING_THRESHOLD);<a name="line.1116"></a>
<span class="sourceLineNo">1117</span> }<a name="line.1117"></a>
<span class="sourceLineNo">1118</span><a name="line.1118"></a>
-<span class="sourceLineNo">1119</span> public long getOldestRITTime() {<a name="line.1119"></a>
-<span class="sourceLineNo">1120</span> return oldestRITTime;<a name="line.1120"></a>
+<span class="sourceLineNo">1119</span> public int getRITThreshold() {<a name="line.1119"></a>
+<span class="sourceLineNo">1120</span> return ritThreshold;<a name="line.1120"></a>
<span class="sourceLineNo">1121</span> }<a name="line.1121"></a>
<span class="sourceLineNo">1122</span><a name="line.1122"></a>
-<span class="sourceLineNo">1123</span> public int getTotalRITsOverThreshold() {<a name="line.1123"></a>
-<span class="sourceLineNo">1124</span> Map<String, RegionState> m = this.ritsOverThreshold;<a name="line.1124"></a>
-<span class="sourceLineNo">1125</span> return m != null ? m.size() : 0;<a name="line.1125"></a>
-<span class="sourceLineNo">1126</span> }<a name="line.1126"></a>
-<span class="sourceLineNo">1127</span><a name="line.1127"></a>
-<span class="sourceLineNo">1128</span> public boolean hasRegionsTwiceOverThreshold() {<a name="line.1128"></a>
-<span class="sourceLineNo">1129</span> return totalRITsTwiceThreshold > 0;<a name="line.1129"></a>
-<span class="sourceLineNo">1130</span> }<a name="line.1130"></a>
-<span class="sourceLineNo">1131</span><a name="line.1131"></a>
-<span class="sourceLineNo">1132</span> public boolean hasRegionsOverThreshold() {<a name="line.1132"></a>
-<span class="sourceLineNo">1133</span> Map<String, RegionState> m = this.ritsOverThreshold;<a name="line.1133"></a>
-<span class="sourceLineNo">1134</span> return m != null && !m.isEmpty();<a name="line.1134"></a>
-<span class="sourceLineNo">1135</span> }<a name="line.1135"></a>
-<span class="sourceLineNo">1136</span><a name="line.1136"></a>
-<span class="sourceLineNo">1137</span> public Collection<RegionState> getRegionOverThreshold() {<a name="line.1137"></a>
-<span class="sourceLineNo">1138</span> Map<String, RegionState> m = this.ritsOverThreshold;<a name="line.1138"></a>
-<span class="sourceLineNo">1139</span> return m != null? m.values(): Collections.emptySet();<a name="line.1139"></a>
-<span class="sourceLineNo">1140</span> }<a name="line.1140"></a>
-<span class="sourceLineNo">1141</span><a name="line.1141"></a>
-<span class="sourceLineNo">1142</span> public boolean isRegionOverThreshold(final RegionInfo regionInfo) {<a name="line.1142"></a>
-<span class="sourceLineNo">1143</span> Map<String, RegionState> m = this.ritsOverThreshold;<a name="line.1143"></a>
-<span class="sourceLineNo">1144</span> return m != null && m.containsKey(regionInfo.getEncodedName());<a name="line.1144"></a>
-<span class="sourceLineNo">1145</span> }<a name="line.1145"></a>
-<span class="sourceLineNo">1146</span><a name="line.1146"></a>
-<span class="sourceLineNo">1147</span> public boolean isRegionTwiceOverThreshold(final RegionInfo regionInfo) {<a name="line.1147"></a>
-<span class="sourceLineNo">1148</span> Map<String, RegionState> m = this.ritsOverThreshold;<a name="line.1148"></a>
-<span class="sourceLineNo">1149</span> if (m == null) return false;<a name="line.1149"></a>
-<span class="sourceLineNo">1150</span> final RegionState state = m.get(regionInfo.getEncodedName());<a name="line.1150"></a>
-<span class="sourceLineNo">1151</span> if (state == null) return false;<a name="line.1151"></a>
-<span class="sourceLineNo">1152</span> return (statTimestamp - state.getStamp()) > (ritThreshold * 2);<a name="line.1152"></a>
-<span class="sourceLineNo">1153</span> }<a name="line.1153"></a>
-<span class="sourceLineNo">1154</span><a name="line.1154"></a>
-<span class="sourceLineNo">1155</span> protected void update(final AssignmentManager am) {<a name="line.1155"></a>
-<span class="sourceLineNo">1156</span> final RegionStates regionStates = am.getRegionStates();<a name="line.1156"></a>
-<span class="sourceLineNo">1157</span> this.statTimestamp = EnvironmentEdgeManager.currentTime();<a name="line.1157"></a>
-<span class="sourceLineNo">1158</span> update(regionStates.getRegionsStateInTransition(), statTimestamp);<a name="line.1158"></a>
-<span class="sourceLineNo">1159</span> update(regionStates.getRegionFailedOpen(), statTimestamp);<a name="line.1159"></a>
-<span class="sourceLineNo">1160</span> }<a name="line.1160"></a>
-<span class="sourceLineNo">1161</span><a name="line.1161"></a>
-<span class="sourceLineNo">1162</span> private void update(final Collection<RegionState> regions, final long currentTime) {<a name="line.1162"></a>
-<span class="sourceLineNo">1163</span> for (RegionState state: regions) {<a name="line.1163"></a>
-<span class="sourceLineNo">1164</span> totalRITs++;<a name="line.1164"></a>
-<span class="sourceLineNo">1165</span> final long ritTime = currentTime - state.getStamp();<a name="line.1165"></a>
-<span class="sourceLineNo">1166</span> if (ritTime > ritThreshold) {<a name="line.1166"></a>
-<span class="sourceLineNo">1167</span> if (ritsOverThreshold == null) {<a name="line.1167"></a>
-<span class="sourceLineNo">1168</span> ritsOverThreshold = new HashMap<String, RegionState>();<a name="line.1168"></a>
-<span class="sourceLineNo">1169</span> }<a name="line.1169"></a>
-<span class="sourceLineNo">1170</span> ritsOverThreshold.put(state.getRegion().getEncodedName(), state);<a name="line.1170"></a>
-<span class="sourceLineNo">1171</span> totalRITsTwiceThreshold += (ritTime > (ritThreshold * 2)) ? 1 : 0;<a name="line.1171"></a>
-<span class="sourceLineNo">1172</span> }<a name="line.1172"></a>
-<span class="sourceLineNo">1173</span> if (oldestRITTime < ritTime) {<a name="line.1173"></a>
-<span class="sourceLineNo">1174</span> oldestRITTime = ritTime;<a name="line.1174"></a>
-<span class="sourceLineNo">1175</span> }<a name="line.1175"></a>
-<span class="sourceLineNo">1176</span> }<a name="line.1176"></a>
-<span class="sourceLineNo">1177</span> }<a name="line.1177"></a>
-<span class="sourceLineNo">1178</span> }<a name="line.1178"></a>
-<span class="sourceLineNo">1179</span><a name="line.1179"></a>
-<span class="sourceLineNo">1180</span> private void updateRegionsInTransitionMetrics(final RegionInTransitionStat ritStat) {<a name="line.1180"></a>
-<span class="sourceLineNo">1181</span> metrics.updateRITOldestAge(ritStat.getOldestRITTime());<a name="line.1181"></a>
-<span class="sourceLineNo">1182</span> metrics.updateRITCount(ritStat.getTotalRITs());<a name="line.1182"></a>
-<span class="sourceLineNo">1183</span> metrics.updateRITCountOverThreshold(ritStat.getTotalRITsOverThreshold());<a name="line.1183"></a>
-<span class="sourceLineNo">1184</span> }<a name="line.1184"></a>
-<span class="sourceLineNo">1185</span><a name="line.1185"></a>
-<span class="sourceLineNo">1186</span> private void handleRegionOverStuckWarningThreshold(final RegionInfo regionInfo) {<a name="line.1186"></a>
-<span class="sourceLineNo">1187</span> final RegionStateNode regionNode = regionStates.getRegionStateNode(regionInfo);<a name="line.1187"></a>
-<span class="sourceLineNo">1188</span> //if (regionNode.isStuck()) {<a name="line.1188"></a>
-<span class="sourceLineNo">1189</span> LOG.warn("STUCK Region-In-Transition {}", regionNode);<a name="line.1189"></a>
+<span class="sourceLineNo">1123</span> public long getTimestamp() {<a name="line.1123"></a>
+<span class="sourceLineNo">1124</span> return statTimestamp;<a name="line.1124"></a>
+<span class="sourceLineNo">1125</span> }<a name="line.1125"></a>
+<span class="sourceLineNo">1126</span><a name="line.1126"></a>
+<span class="sourceLineNo">1127</span> public int getTotalRITs() {<a name="line.1127"></a>
+<span class="sourceLineNo">1128</span> return totalRITs;<a name="line.1128"></a>
+<span class="sourceLineNo">1129</span> }<a name="line.1129"></a>
+<span class="sourceLineNo">1130</span><a name="line.1130"></a>
+<span class="sourceLineNo">1131</span> public long getOldestRITTime() {<a name="line.1131"></a>
+<span class="sourceLineNo">1132</span> return oldestRITTime;<a name="line.1132"></a>
+<span class="sourceLineNo">1133</span> }<a name="line.1133"></a>
+<span class="sourceLineNo">1134</span><a name="line.1134"></a>
+<span class="sourceLineNo">1135</span> public int getTotalRITsOverThreshold() {<a name="line.1135"></a>
+<span class="sourceLineNo">1136</span> Map<String, RegionState> m = this.ritsOverThreshold;<a name="line.1136"></a>
+<span class="sourceLineNo">1137</span> return m != null ? m.size() : 0;<a name="line.1137"></a>
+<span class="sourceLineNo">1138</span> }<a name="line.1138"></a>
+<span class="sourceLineNo">1139</span><a name="line.1139"></a>
+<span class="sourceLineNo">1140</span> public boolean hasRegionsTwiceOverThreshold() {<a name="line.1140"></a>
+<span class="sourceLineNo">1141</span> return totalRITsTwiceThreshold > 0;<a name="line.1141"></a>
+<span class="sourceLineNo">1142</span> }<a name="line.1142"></a>
+<span class="sourceLineNo">1143</span><a name="line.1143"></a>
+<span class="sourceLineNo">1144</span> public boolean hasRegionsOverThreshold() {<a name="line.1144"></a>
+<span class="sourceLineNo">1145</span> Map<String, RegionState> m = this.ritsOverThreshold;<a name="line.1145"></a>
+<span class="sourceLineNo">1146</span> return m != null && !m.isEmpty();<a name="line.1146"></a>
+<span class="sourceLineNo">1147</span> }<a name="line.1147"></a>
+<span class="sourceLineNo">1148</span><a name="line.1148"></a>
+<span class="sourceLineNo">1149</span> public Collection<RegionState> getRegionOverThreshold() {<a name="line.1149"></a>
+<span class="sourceLineNo">1150</span> Map<String, RegionState> m = this.ritsOverThreshold;<a name="line.1150"></a>
+<span class="sourceLineNo">1151</span> return m != null? m.values(): Collections.emptySet();<a name="line.1151"></a>
+<span class="sourceLineNo">1152</span> }<a name="line.1152"></a>
+<span class="sourceLineNo">1153</span><a name="line.1153"></a>
+<span class="sourceLineNo">1154</span> public boolean isRegionOverThreshold(final RegionInfo regionInfo) {<a name="line.1154"></a>
+<span class="sourceLineNo">1155</span> Map<String, RegionState> m = this.ritsOverThreshold;<a name="line.1155"></a>
+<span class="sourceLineNo">1156</span> return m != null && m.containsKey(regionInfo.getEncodedName());<a name="line.1156"></a>
+<span class="sourceLineNo">1157</span> }<a name="line.1157"></a>
+<span class="sourceLineNo">1158</span><a name="line.1158"></a>
+<span class="sourceLineNo">1159</span> public boolean isRegionTwiceOverThreshold(final RegionInfo regionInfo) {<a name="line.1159"></a>
+<span class="sourceLineNo">1160</span> Map<String, RegionState> m = this.ritsOverThreshold;<a name="line.1160"></a>
+<span class="sourceLineNo">1161</span> if (m == null) return false;<a name="line.1161"></a>
+<span class="sourceLineNo">1162</span> final RegionState state = m.get(regionInfo.getEncodedName());<a name="line.1162"></a>
+<span class="sourceLineNo">1163</span> if (state == null) return false;<a name="line.1163"></a>
+<span class="sourceLineNo">1164</span> return (statTimestamp - state.getStamp()) > (ritThreshold * 2);<a name="line.1164"></a>
+<span class="sourceLineNo">1165</span> }<a name="line.1165"></a>
+<span class="sourceLineNo">1166</span><a name="line.1166"></a>
+<span class="sourceLineNo">1167</span> protected void update(final AssignmentManager am) {<a name="line.1167"></a>
+<span class="sourceLineNo">1168</span> final RegionStates regionStates = am.getRegionStates();<a name="line.1168"></a>
+<span class="sourceLineNo">1169</span> this.statTimestamp = EnvironmentEdgeManager.currentTime();<a name="line.1169"></a>
+<span class="sourceLineNo">1170</span> update(regionStates.getRegionsStateInTransition(), statTimestamp);<a name="line.1170"></a>
+<span class="sourceLineNo">1171</span> update(regionStates.getRegionFailedOpen(), statTimestamp);<a name="line.1171"></a>
+<span class="sourceLineNo">1172</span> }<a name="line.1172"></a>
+<span class="sourceLineNo">1173</span><a name="line.1173"></a>
+<span class="sourceLineNo">1174</span> private void update(final Collection<RegionState> regions, final long currentTime) {<a name="line.1174"></a>
+<span class="sourceLineNo">1175</span> for (RegionState state: regions) {<a name="line.1175"></a>
+<span class="sourceLineNo">1176</span> totalRITs++;<a name="line.1176"></a>
+<span class="sourceLineNo">1177</span> final long ritTime = currentTime - state.getStamp();<a name="line.1177"></a>
+<span class="sourceLineNo">1178</span> if (ritTime > ritThreshold) {<a name="line.1178"></a>
+<span class="sourceLineNo">1179</span> if (ritsOverThreshold == null) {<a name="line.1179"></a>
+<span class="sourceLineNo">1180</span> ritsOverThreshold = new HashMap<String, RegionState>();<a name="line.1180"></a>
+<span class="sourceLineNo">1181</span> }<a name="line.1181"></a>
+<span class="sourceLineNo">1182</span> ritsOverThreshold.put(state.getRegion().getEncodedName(), state);<a name="line.1182"></a>
+<span class="sourceLineNo">1183</span> totalRITsTwiceThreshold += (ritTime > (ritThreshold * 2)) ? 1 : 0;<a name="line.1183"></a>
+<span class="sourceLineNo">1184</span> }<a name="line.1184"></a>
+<span class="sourceLineNo">1185</span> if (oldestRITTime < ritTime) {<a name="line.1185"></a>
+<span class="sourceLineNo">1186</span> oldestRITTime = ritTime;<a name="line.1186"></a>
+<span class="sourceLineNo">1187</span> }<a name="line.1187"></a>
+<span class="sourceLineNo">1188</span> }<a name="line.1188"></a>
+<span class="sourceLineNo">1189</span> }<a name="line.1189"></a>
<span class="sourceLineNo">1190</span> }<a name="line.1190"></a>
<span class="sourceLineNo">1191</span><a name="line.1191"></a>
-<span class="sourceLineNo">1192</span> // ============================================================================================<a name="line.1192"></a>
-<span class="sourceLineNo">1193</span> // TODO: Master load/bootstrap<a name="line.1193"></a>
-<span class="sourceLineNo">1194</span> // ============================================================================================<a name="line.1194"></a>
-<span class="sourceLineNo">1195</span> public void joinCluster() throws IOException {<a name="line.1195"></a>
-<span class="sourceLineNo">1196</span> long startTime = System.nanoTime();<a name="line.1196"></a>
-<span class="sourceLineNo">1197</span> LOG.debug("Joining cluster...");<a name="line.1197"></a>
-<span class="sourceLineNo">1198</span><a name="line.1198"></a>
-<span class="sourceLineNo">1199</span> // Scan hbase:meta to build list of existing regions, servers, and assignment<a name="line.1199"></a>
-<span class="sourceLineNo">1200</span> // hbase:meta is online when we get to here and TableStateManager has been started.<a name="line.1200"></a>
-<span class="sourceLineNo">1201</span> loadMeta();<a name="line.1201"></a>
-<span class="sourceLineNo">1202</span><a name="line.1202"></a>
-<span class="sourceLineNo">1203</span> while (master.getServerManager().countOfRegionServers() < 1) {<a name="line.1203"></a>
-<span class="sourceLineNo">1204</span> LOG.info("Waiting for RegionServers to join; current count={}",<a name="line.1204"></a>
-<span class="sourceLineNo">1205</span> master.getServerManager().countOfRegionServers());<a name="line.1205"></a>
-<span class="sourceLineNo">1206</span> Threads.sleep(250);<a name="line.1206"></a>
-<span class="sourceLineNo">1207</span> }<a name="line.1207"></a>
-<span class="sourceLineNo">1208</span> LOG.info("Number of RegionServers={}", master.getServerManager().countOfRegionServers());<a name="line.1208"></a>
-<span class="sourceLineNo">1209</span><a name="line.1209"></a>
-<span class="sourceLineNo">1210</span> processOfflineRegions();<a name="line.1210"></a>
-<span class="sourceLineNo">1211</span><a name="line.1211"></a>
-<span class="sourceLineNo">1212</span> // Start the RIT chore<a name="line.1212"></a>
-<span class="sourceLineNo">1213</span> master.getMasterProcedureExecutor().addChore(this.ritChore);<a name="line.1213"></a>
+<span class="sourceLineNo">1192</span> private void updateRegionsInTransitionMetrics(final RegionInTransitionStat ritStat) {<a name="line.1192"></a>
+<span class="sourceLineNo">1193</span> metrics.updateRITOldestAge(ritStat.getOldestRITTime());<a name="line.1193"></a>
+<span class="sourceLineNo">1194</span> metrics.updateRITCount(ritStat.getTotalRITs());<a name="line.1194"></a>
+<span class="sourceLineNo">1195</span> metrics.updateRITCountOverThreshold(ritStat.getTotalRITsOverThreshold());<a name="line.1195"></a>
+<span class="sourceLineNo">1196</span> }<a name="line.1196"></a>
+<span class="sourceLineNo">1197</span><a name="line.1197"></a>
+<span class="sourceLineNo">1198</span> private void handleRegionOverStuckWarningThreshold(final RegionInfo regionInfo) {<a name="line.1198"></a>
+<span class="sourceLineNo">1199</span> final RegionStateNode regionNode = regionStates.getRegionStateNode(regionInfo);<a name="line.1199"></a>
+<span class="sourceLineNo">1200</span> //if (regionNode.isStuck()) {<a name="line.1200"></a>
+<span class="sourceLineNo">1201</span> LOG.warn("STUCK Region-In-Transition {}", regionNode);<a name="line.1201"></a>
+<span class="sourceLineNo">1202</span> }<a name="line.1202"></a>
+<span class="sourceLineNo">1203</span><a name="line.1203"></a>
+<span class="sourceLineNo">1204</span> // ============================================================================================<a name="line.1204"></a>
+<span class="sourceLineNo">1205</span> // TODO: Master load/bootstrap<a name="line.1205"></a>
+<span class="sourceLineNo">1206</span> // ============================================================================================<a name="line.1206"></a>
+<span class="sourceLineNo">1207</span> public void joinCluster() throws IOException {<a name="line.1207"></a>
+<span class="sourceLineNo">1208</span> long startTime = System.nanoTime();<a name="line.1208"></a>
+<span class="sourceLineNo">1209</span> LOG.debug("Joining cluster...");<a name="line.1209"></a>
+<span class="sourceLineNo">1210</span><a name="line.1210"></a>
+<span class="sourceLineNo">1211</span> // Scan hbase:meta to build list of existing regions, servers, and assignment<a name="line.1211"></a>
+<span class="sourceLineNo">1212</span> // hbase:meta is online when we get to here and TableStateManager has been started.<a name="line.1212"></a>
+<span class="sourceLineNo">1213</span> loadMeta();<a name="line.1213"></a>
<span class="sourceLineNo">1214</span><a name="line.1214"></a>
-<span class="sourceLineNo">1215</span> long costMs = TimeUnit.NANOSECONDS.toMillis(System.nanoTime() - startTime);<a name="line.1215"></a>
-<span class="sourceLineNo">1216</span> LOG.info("Joined the cluster in {}", StringUtils.humanTimeDiff(costMs));<a name="line.1216"></a>
-<span class="sourceLineNo">1217</span> }<a name="line.1217"></a>
-<span class="sourceLineNo">1218</span><a name="line.1218"></a>
-<span class="sourceLineNo">1219</span> // Create assign procedure for offline regions.<a name="line.1219"></a>
-<span class="sourceLineNo">1220</span> // Just follow the old processofflineServersWithOnlineRegions method. Since now we do not need to<a name="line.1220"></a>
-<span class="sourceLineNo">1221</span> // deal with dead server any more, we only deal with the regions in OFFLINE state in this method.<a name="line.1221"></a>
-<span class="sourceLineNo">1222</span> // And this is a bit strange, that for new regions, we will add it in CLOSED state instead of<a name="line.1222"></a>
-<span class="sourceLineNo">1223</span> // OFFLINE state, and usually there will be a procedure to track them. The<a name="line.1223"></a>
-<span class="sourceLineNo">1224</span> // processofflineServersWithOnlineRegions is a legacy from long ago, as things are going really<a name="line.1224"></a>
-<span class="sourceLineNo">1225</span> // different now, maybe we do not need this method any more. Need to revisit later.<a name="line.1225"></a>
-<span class="sourceLineNo">1226</span> private void processOfflineRegions() {<a name="line.1226"></a>
-<span class="sourceLineNo">1227</span> List<RegionInfo> offlineRegions = regionStates.getRegionStates().stream()<a name="line.1227"></a>
-<span class="sourceLineNo">1228</span> .filter(RegionState::isOffline).filter(s -> isTableEnabled(s.getRegion().getTable()))<a name="line.1228"></a>
-<span class="sourceLineNo">1229</span> .map(RegionState::getRegion).collect(Collectors.toList());<a name="line.1229"></a>
-<span class="sourceLineNo">1230</span> if (!offlineRegions.isEmpty()) {<a name="line.1230"></a>
-<span class="sourceLineNo">1231</span> master.getMasterProcedureExecutor().submitProcedures(<a name="line.1231"></a>
-<span class="sourceLineNo">1232</span> master.getAssignmentManager().createRoundRobinAssignProcedures(offlineRegions));<a name="line.1232"></a>
-<span class="sourceLineNo">1233</span> }<a name="line.1233"></a>
-<span class="sourceLineNo">1234</span> }<a name="line.1234"></a>
-<span class="sourceLineNo">1235</span><a name="line.1235"></a>
-<span class="sourceLineNo">1236</span> private void loadMeta() throws IOException {<a name="line.1236"></a>
-<span class="sourceLineNo">1237</span> // TODO: use a thread pool<a name="line.1237"></a>
-<span class="sourceLineNo">1238</span> regionStateStore.visitMeta(new RegionStateStore.RegionStateVisitor() {<a name="line.1238"></a>
-<span class="sourceLineNo">1239</span> @Override<a name="line.1239"></a>
-<span class="sourceLineNo">1240</span> public void visitRegionState(Result result, final RegionInfo regionInfo, final State state,<a name="line.1240"></a>
-<span class="sourceLineNo">1241</span> final ServerName regionLocation, final ServerName lastHost, final long openSeqNum) {<a name="line.1241"></a>
-<span class="sourceLineNo">1242</span> if (state == null && regionLocation == null && lastHost == null &&<a name="line.1242"></a>
-<span class="sourceLineNo">1243</span> openSeqNum == SequenceId.NO_SEQUENCE_ID) {<a name="line.1243"></a>
-<span class="sourceLineNo">1244</span> // This is a row with nothing in it.<a name="line.1244"></a>
-<span class="sourceLineNo">1245</span> LOG.warn("Skipping empty row={}", result);<a name="line.1245"></a>
-<span class="sourceLineNo">1246</span> return;<a name="line.1246"></a>
-<span class="sourceLineNo">1247</span> }<a name="line.1247"></a>
-<span class="sourceLineNo">1248</span> State localState = state;<a name="line.1248"></a>
-<span class="sourceLineNo">1249</span> if (localState == null) {<a name="line.1249"></a>
-<span class="sourceLineNo">1250</span> // No region state column data in hbase:meta table! Are I doing a rolling upgrade from<a name="line.1250"></a>
-<span class="sourceLineNo">1251</span> // hbase1 to hbase2? Am I restoring a SNAPSHOT or otherwise adding a region to hbase:meta?<a name="line.1251"></a>
-<span class="sourceLineNo">1252</span> // In any of these cases, state is empty. For now, presume OFFLINE but there are probably<a name="line.1252"></a>
-<span class="sourceLineNo">1253</span> // cases where we need to probe more to be sure this correct; TODO informed by experience.<a name="line.1253"></a>
-<span class="sourceLineNo">1254</span> LOG.info(regionInfo.getEncodedName() + " regionState=null; presuming " + State.OFFLINE);<a name="line.1254"></a>
-<span class="sourceLineNo">1255</span><a name="line.1255"></a>
-<span class="sourceLineNo">1256</span> localState = State.OFFLINE;<a name="line.1256"></a>
-<span class="sourceLineNo">1257</span> }<a name="line.1257"></a>
-<span class="sourceLineNo">1258</span> final RegionStateNode regionNode = regionStates.getOrCreateRegionStateNode(regionInfo);<a name="line.1258"></a>
-<span class="sourceLineNo">1259</span> synchronized (regionNode) {<a name="line.1259"></a>
-<span class="sourceLineNo">1260</span> if (!regionNode.isInTransition()) {<a name="line.1260"></a>
-<span class="sourceLineNo">1261</span> regionNode.setState(localState);<a name="line.1261"></a>
-<span class="sourceLineNo">1262</span> regionNode.setLastHost(lastHost);<a name="line.1262"></a>
-<span class="sourceLineNo">1263</span> regionNode.setRegionLocation(regionLocation);<a name="line.1263"></a>
-<span class="sourceLineNo">1264</span> regionNode.setOpenSeqNum(openSeqNum);<a name="line.1264"></a>
-<span class="sourceLineNo">1265</span><a name="line.1265"></a>
-<span class="sourceLineNo">1266</span> if (localState == State.OPEN) {<a name="line.1266"></a>
-<span class="sourceLineNo">1267</span> assert regionLocation != null : "found null region location for " + regionNode;<a name="line.1267"></a>
-<span class="sourceLineNo">1268</span> regionStates.addRegionToServer(regionNode);<a name="line.1268"></a>
-<span class="sourceLineNo">1269</span> } else if (localState == State.OFFLINE || regionInfo.isOffline()) {<a name="line.1269"></a>
-<span class="sourceLineNo">1270</span> regionStates.addToOfflineRegions(regionNode);<a name="line.1270"></a>
-<span class="sourceLineNo">1271</span> } else if (localState == State.CLOSED && getTableStateManager().<a name="line.1271"></a>
-<span class="sourceLineNo">1272</span> isTableState(regionNode.getTable(), TableState.State.DISABLED,<a name="line.1272"></a>
-<span class="sourceLineNo">1273</span> TableState.State.DISABLING)) {<a name="line.1273"></a>
-<span class="sourceLineNo">1274</span> // The region is CLOSED and the table is DISABLED/ DISABLING, there is nothing to<a name="line.1274"></a>
-<span class="sourceLineNo">1275</span> // schedule; the region is inert.<a name="line.1275"></a>
-<span class="sourceLineNo">1276</span> } else {<a name="line.1276"></a>
-<span class="sourceLineNo">1277</span> // These regions should have a procedure in replay<a name="line.1277"></a>
-<span class="sourceLineNo">1278</span> regionStates.addRegionInTransition(regionNode, null);<a name="line.1278"></a>
-<span class="sourceLineNo">1279</span> }<a name="line.1279"></a>
-<span class="sourceLineNo">1280</span> }<a name="line.1280"></a>
-<span class="sourceLineNo">1281</span> }<a name="line.1281"></a>
-<span class="sourceLineNo">1282</span> }<a name="line.1282"></a>
-<span class="sourceLineNo">1283</span> });<a name="line.1283"></a>
-<span class="sourceLineNo">1284</span><a name="line.1284"></a>
-<span class="sourceLineNo">1285</span> // every assignment is blocked until meta is loaded.<a name="line.1285"></a>
-<span class="sourceLineNo">1286</span> wakeMetaLoadedEvent();<a name="line.1286"></a>
-<span class="sourceLineNo">1287</span> }<a name="line.1287"></a>
-<span class="sourceLineNo">1288</span><a name="line.1288"></a>
-<span class="sourceLineNo">1289</span> /**<a name="line.1289"></a>
-<span class="sourceLineNo">1290</span> * Used to check if the meta loading is done.<a name="line.1290"></a>
-<span class="sourceLineNo">1291</span> * <p/><a name="line.1291"></a>
-<span class="sourceLineNo">1292</span> * if not we throw PleaseHoldException since we are rebuilding the RegionStates<a name="line.1292"></a>
-<span class="sourceLineNo">1293</span> * @param hri region to check if it is already rebuild<a name="line.1293"></a>
-<span class="sourceLineNo">1294</span> * @throws PleaseHoldException if meta has not been loaded yet<a name="line.1294"></a>
-<span class="sourceLineNo">1295</span> */<a name="line.1295"></a>
-<span class="sourceLineNo">1296</span> private void checkMetaLoaded(RegionInfo hri) throws PleaseHoldException {<a name="line.1296"></a>
-<span class="sourceLineNo">1297</span> if (!isRunning()) {<a name="line.1297"></a>
-<span class="sourceLineNo">1298</span> throw new PleaseHoldException("AssignmentManager not running");<a name="line.1298"></a>
-<span class="sourceLineNo">1299</span> }<a name="line.1299"></a>
-<span class="sourceLineNo">1300</span> boolean meta = isMetaRegion(hri);<a name="line.1300"></a>
-<span class="sourceLineNo">1301</span> boolean metaLoaded = isMetaLoaded();<a name="line.1301"></a>
-<span class="sourceLineNo">1302</span> if (!meta && !metaLoaded) {<a name="line.1302"></a>
-<span class="sourceLineNo">1303</span> throw new PleaseHoldException(<a name="line.1303"></a>
-<span class="sourceLineNo">1304</span> "Master not fully online; hbase:meta=" + meta + ", metaLoaded=" + metaLoaded);<a name="line.1304"></a>
-<span class="sourceLineNo">1305</span> }<a name="line.1305"></a>
-<span class="sourceLineNo">1306</span> }<a name="line.1306"></a>
-<span class="sourceLineNo">1307</span><a name="line.1307"></a>
-<span class="sourceLineNo">1308</span> // ============================================================================================<a name="line.1308"></a>
-<span class="sourceLineNo">1309</span> // TODO: Metrics<a name="line.1309"></a>
-<span class="sourceLineNo">1310</span> // ============================================================================================<a name="line.1310"></a>
-<span class="sourceLineNo">1311</span> public int getNumRegionsOpened() {<a name="line.1311"></a>
-<span class="sourceLineNo">1312</span> // TODO: Used by TestRegionPlacement.java and assume monotonically increasing value<a name="line.1312"></a>
-<span class="sourceLineNo">1313</span> return 0;<a name="line.1313"></a>
-<span class="sourceLineNo">1314</span> }<a name="line.1314"></a>
-<span class="sourceLineNo">1315</span><a name="line.1315"></a>
-<span class="sourceLineNo">1316</span> public void submitServerCrash(final ServerName serverName, final boolean shouldSplitWal) {<a name="line.1316"></a>
-<span class="sourceLineNo">1317</span> boolean carryingMeta = isCarryingMeta(serverName);<a name="line.1317"></a>
-<span class="sourceLineNo">1318</span> ProcedureExecutor<MasterProcedureEnv> procExec = this.master.getMasterProcedureExecutor();<a name="line.1318"></a>
-<span class="sourceLineNo">1319</span> procExec.submitProcedure(new ServerCrashProcedure(procExec.getEnvironment(), serverName,<a name="line.1319"></a>
-<span class="sourceLineNo">1320</span> shouldSplitWal, carryingMeta));<a name="line.1320"></a>
-<span class="sourceLineNo">1321</span> LOG.debug("Added=" + serverName +<a name="line.1321"></a>
-<span class="sourceLineNo">1322</span> " to dead servers, submitted shutdown handler to be executed meta=" + carryingMeta);<a name="line.1322"></a>
-<span class="sourceLineNo">1323</span> }<a name="line.1323"></a>
-<span class="sourceLineNo">1324</span><a name="line.1324"></a>
-<span class="sourceLineNo">1325</span> public void offlineRegion(final RegionInfo regionInfo) {<a name="line.1325"></a>
-<span class="sourceLineNo">1326</span> // TODO used by MasterRpcServices ServerCrashProcedure<a name="line.1326"></a>
-<span class="sourceLineNo">1327</span> final RegionStateNode node = regionStates.getRegionStateNode(regionInfo);<a name="line.1327"></a>
-<span class="sourceLineNo">1328</span> if (node != null) node.offline();<a name="line.1328"></a>
-<span class="sourceLineNo">1329</span> }<a name="line.1329"></a>
-<span class="sourceLineNo">1330</span><a name="line.1330"></a>
-<span class="sourceLineNo">1331</span> public void onlineRegion(final RegionInfo regionInfo, final ServerName serverName) {<a name="line.1331"></a>
-<span class="sourceLineNo">1332</span> // TODO used by TestSplitTransactionOnCluster.java<a name="line.1332"></a>
-<span class="sourceLineNo">1333</span> }<a name="line.1333"></a>
-<span class="sourceLineNo">1334</span><a name="line.1334"></a>
-<span class="sourceLineNo">1335</span> public Map<ServerName, List<RegionInfo>> getSnapShotOfAssignment(<a name="line.1335"></a>
-<span class="sourceLineNo">1336</span> final Collection<RegionInfo> regions) {<a name="line.1336"></a>
-<span class="sourceLineNo">1337</span> return regionStates.getSnapShotOfAssignment(regions);<a name="line.1337"></a>
-<span class="sourceLi
<TRUNCATED>