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Posted to commits@hbase.apache.org by gi...@apache.org on 2018/08/14 14:47:12 UTC
[05/12] 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.html
----------------------------------------------------------------------
diff --git a/devapidocs/src-html/org/apache/hadoop/hbase/master/assignment/AssignmentManager.html b/devapidocs/src-html/org/apache/hadoop/hbase/master/assignment/AssignmentManager.html
index 2e75659..3070994 100644
--- a/devapidocs/src-html/org/apache/hadoop/hbase/master/assignment/AssignmentManager.html
+++ b/devapidocs/src-html/org/apache/hadoop/hbase/master/assignment/AssignmentManager.html
@@ -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>
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-<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>
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-<span class="sourceLineNo">974</span><a name="line.974"></a>
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-<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>
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-<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>
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+<span class="sourceLineNo">1204</span> // ============================================================================================<a name="line.1204"></a>
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+<span class="sourceLineNo">1206</span> // ============================================================================================<a name="line.1206"></a>
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-<span
<TRUNCATED>