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href="../../../../../../org/apache/hadoop/hbase/master/assignment/CloseRegionProcedure.html#shouldDispatch-org.apache.hadoop.hbase.master.assignment.RegionStateNode-">shouldDispatch</a></span>(<a href="../../../../../../org/apache/hadoop/hbase/master/assignment/RegionStateNode.html" title="class in org.apache.hadoop.hbase.master.assignment">RegionStateNode</a> regionNode)</code> +<div class="block">Check whether we still need to make the call to RS.</div> +</td> +</tr> </table> <ul class="blockList"> <li class="blockList"><a name="methods.inherited.from.class.org.apache.hadoop.hbase.master.assignment.RegionRemoteProcedureBase"> @@ -291,7 +297,7 @@ extends <a href="../../../../../../org/apache/hadoop/hbase/master/assignment/Reg <ul class="blockListLast"> <li class="blockList"> <h4>assignCandidate</h4> -<pre>private <a href="../../../../../../org/apache/hadoop/hbase/ServerName.html" title="class in org.apache.hadoop.hbase">ServerName</a> <a 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title="class in org.apache.hadoop.hbase">ServerName</a> remote)</pre> <div class="block"><span class="descfrmTypeLabel">Description copied from interface: <code><a href="../../../../../../org/apache/hadoop/hbase/procedure2/RemoteProcedureDispatcher.RemoteProcedure.html#remoteCallBuild-TEnv-TRemote-">RemoteProcedureDispatcher.RemoteProcedure</a></code></span></div> <div class="block">For building the remote operation.</div> @@ -365,7 +371,7 @@ extends <a href="../../../../../../org/apache/hadoop/hbase/master/assignment/Reg <ul class="blockList"> <li class="blockList"> <h4>serializeStateData</h4> -<pre>protected void <a href="../../../../../../src-html/org/apache/hadoop/hbase/master/assignment/CloseRegionProcedure.html#line.64">serializeStateData</a>(<a href="../../../../../../org/apache/hadoop/hbase/procedure2/ProcedureStateSerializer.html" title="interface in org.apache.hadoop.hbase.procedure2">ProcedureStateSerializer</a> serializer) +<pre>protected void <a 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href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre> <div class="block"><span class="descfrmTypeLabel">Description copied from class: <code><a href="../../../../../../org/apache/hadoop/hbase/procedure2/Procedure.html#deserializeStateData-org.apache.hadoop.hbase.procedure2.ProcedureStateSerializer-">Procedure</a></code></span></div> <div class="block">Called on store load to allow the user to decode the previously serialized @@ -402,6 +408,27 @@ extends <a href="../../../../../../org/apache/hadoop/hbase/master/assignment/Reg </dl> </li> </ul> +<a name="shouldDispatch-org.apache.hadoop.hbase.master.assignment.RegionStateNode-"> +<!-- --> +</a> +<ul class="blockListLast"> +<li class="blockList"> +<h4>shouldDispatch</h4> +<pre>protected boolean <a href="../../../../../../src-html/org/apache/hadoop/hbase/master/assignment/CloseRegionProcedure.html#line.85">shouldDispatch</a>(<a href="../../../../../../org/apache/hadoop/hbase/master/assignment/RegionStateNode.html" title="class in org.apache.hadoop.hbase.master.assignment">RegionStateNode</a> regionNode)</pre> +<div class="block"><span class="descfrmTypeLabel">Description copied from class: <code><a href="../../../../../../org/apache/hadoop/hbase/master/assignment/RegionRemoteProcedureBase.html#shouldDispatch-org.apache.hadoop.hbase.master.assignment.RegionStateNode-">RegionRemoteProcedureBase</a></code></span></div> +<div class="block">Check whether we still need to make the call to RS. + <p/> + Usually this will not happen if we do not allow assigning a already onlined region. But if we + have something wrong in the RSProcedureDispatcher, where we have already sent the request to + RS, but then we tell the upper layer the remote call is failed due to rpc timeout or connection + closed or anything else, then this issue can still happen. 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28fda00..b8e4a33 100644 --- a/devapidocs/org/apache/hadoop/hbase/master/assignment/OpenRegionProcedure.html +++ b/devapidocs/org/apache/hadoop/hbase/master/assignment/OpenRegionProcedure.html @@ -18,7 +18,7 @@ catch(err) { } //--> -var methods = {"i0":10,"i1":10,"i2":10,"i3":10}; +var methods = {"i0":10,"i1":10,"i2":10,"i3":10,"i4":10}; var tabs = {65535:["t0","All Methods"],2:["t2","Instance Methods"],8:["t4","Concrete Methods"]}; var altColor = "altColor"; var rowColor = "rowColor"; @@ -124,7 +124,7 @@ var activeTableTab = "activeTableTab"; <hr> <br> <pre>@InterfaceAudience.Private -public class <a href="../../../../../../src-html/org/apache/hadoop/hbase/master/assignment/OpenRegionProcedure.html#line.35">OpenRegionProcedure</a> +public class <a href="../../../../../../src-html/org/apache/hadoop/hbase/master/assignment/OpenRegionProcedure.html#line.36">OpenRegionProcedure</a> extends <a href="../../../../../../org/apache/hadoop/hbase/master/assignment/RegionRemoteProcedureBase.html" title="class in org.apache.hadoop.hbase.master.assignment">RegionRemoteProcedureBase</a></pre> <div class="block">The remote procedure used to open a region.</div> </li> @@ -237,6 +237,12 @@ extends <a href="../../../../../../org/apache/hadoop/hbase/master/assignment/Reg persist (e.g.</div> </td> </tr> +<tr id="i4" class="altColor"> +<td class="colFirst"><code>protected boolean</code></td> +<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/master/assignment/OpenRegionProcedure.html#shouldDispatch-org.apache.hadoop.hbase.master.assignment.RegionStateNode-">shouldDispatch</a></span>(<a href="../../../../../../org/apache/hadoop/hbase/master/assignment/RegionStateNode.html" title="class in org.apache.hadoop.hbase.master.assignment">RegionStateNode</a> regionNode)</code> +<div class="block">Check whether we still need to make the call to RS.</div> +</td> +</tr> </table> <ul class="blockList"> <li class="blockList"><a name="methods.inherited.from.class.org.apache.hadoop.hbase.master.assignment.RegionRemoteProcedureBase"> @@ -279,7 +285,7 @@ extends <a href="../../../../../../org/apache/hadoop/hbase/master/assignment/Reg <ul class="blockList"> <li class="blockList"> <h4>OpenRegionProcedure</h4> -<pre>public <a href="../../../../../../src-html/org/apache/hadoop/hbase/master/assignment/OpenRegionProcedure.html#line.37">OpenRegionProcedure</a>()</pre> +<pre>public <a href="../../../../../../src-html/org/apache/hadoop/hbase/master/assignment/OpenRegionProcedure.html#line.38">OpenRegionProcedure</a>()</pre> </li> </ul> <a name="OpenRegionProcedure-org.apache.hadoop.hbase.client.RegionInfo-org.apache.hadoop.hbase.ServerName-"> @@ -288,7 +294,7 @@ extends <a href="../../../../../../org/apache/hadoop/hbase/master/assignment/Reg <ul class="blockListLast"> <li class="blockList"> <h4>OpenRegionProcedure</h4> -<pre>public <a 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href="../../../../../../org/apache/hadoop/hbase/master/procedure/TableProcedureInterface.TableOperationType.html" title="enum in org.apache.hadoop.hbase.master.procedure">TableProcedureInterface.TableOperationType</a> <a href="../../../../../../src-html/org/apache/hadoop/hbase/master/assignment/OpenRegionProcedure.html#line.46">getTableOperationType</a>()</pre> +<pre>public <a href="../../../../../../org/apache/hadoop/hbase/master/procedure/TableProcedureInterface.TableOperationType.html" title="enum in org.apache.hadoop.hbase.master.procedure">TableProcedureInterface.TableOperationType</a> <a href="../../../../../../src-html/org/apache/hadoop/hbase/master/assignment/OpenRegionProcedure.html#line.47">getTableOperationType</a>()</pre> <div class="block"><span class="descfrmTypeLabel">Description copied from interface: <code><a href="../../../../../../org/apache/hadoop/hbase/master/procedure/TableProcedureInterface.html#getTableOperationType--">TableProcedureInterface</a></code></span></div> <div class="block">Given an operation type we can take decisions about what to do with pending operations. e.g. if we get a delete and we have some table operation pending (e.g. add column) @@ -323,7 +329,7 @@ extends <a href="../../../../../../org/apache/hadoop/hbase/master/assignment/Reg <ul class="blockList"> <li class="blockList"> <h4>remoteCallBuild</h4> -<pre>public <a href="../../../../../../org/apache/hadoop/hbase/procedure2/RemoteProcedureDispatcher.RemoteOperation.html" title="class in org.apache.hadoop.hbase.procedure2">RemoteProcedureDispatcher.RemoteOperation</a> <a href="../../../../../../src-html/org/apache/hadoop/hbase/master/assignment/OpenRegionProcedure.html#line.51">remoteCallBuild</a>(<a href="../../../../../../org/apache/hadoop/hbase/master/procedure/MasterProcedureEnv.html" title="class in org.apache.hadoop.hbase.master.procedure">MasterProcedureEnv</a> env, +<pre>public <a href="../../../../../../org/apache/hadoop/hbase/procedure2/RemoteProcedureDispatcher.RemoteOperation.html" title="class in org.apache.hadoop.hbase.procedure2">RemoteProcedureDispatcher.RemoteOperation</a> <a href="../../../../../../src-html/org/apache/hadoop/hbase/master/assignment/OpenRegionProcedure.html#line.52">remoteCallBuild</a>(<a href="../../../../../../org/apache/hadoop/hbase/master/procedure/MasterProcedureEnv.html" title="class in org.apache.hadoop.hbase.master.procedure">MasterProcedureEnv</a> env, <a href="../../../../../../org/apache/hadoop/hbase/ServerName.html" title="class in org.apache.hadoop.hbase">ServerName</a> remote)</pre> <div class="block"><span class="descfrmTypeLabel">Description copied from interface: <code><a href="../../../../../../org/apache/hadoop/hbase/procedure2/RemoteProcedureDispatcher.RemoteProcedure.html#remoteCallBuild-TEnv-TRemote-">RemoteProcedureDispatcher.RemoteProcedure</a></code></span></div> <div class="block">For building the remote operation.</div> @@ -335,7 +341,7 @@ extends <a href="../../../../../../org/apache/hadoop/hbase/master/assignment/Reg <ul class="blockList"> <li class="blockList"> <h4>serializeStateData</h4> -<pre>protected void <a href="../../../../../../src-html/org/apache/hadoop/hbase/master/assignment/OpenRegionProcedure.html#line.57">serializeStateData</a>(<a href="../../../../../../org/apache/hadoop/hbase/procedure2/ProcedureStateSerializer.html" title="interface in org.apache.hadoop.hbase.procedure2">ProcedureStateSerializer</a> serializer) +<pre>protected void <a href="../../../../../../src-html/org/apache/hadoop/hbase/master/assignment/OpenRegionProcedure.html#line.58">serializeStateData</a>(<a href="../../../../../../org/apache/hadoop/hbase/procedure2/ProcedureStateSerializer.html" title="interface in org.apache.hadoop.hbase.procedure2">ProcedureStateSerializer</a> serializer) throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre> <div class="block"><span class="descfrmTypeLabel">Description copied from class: <code><a href="../../../../../../org/apache/hadoop/hbase/procedure2/Procedure.html#serializeStateData-org.apache.hadoop.hbase.procedure2.ProcedureStateSerializer-">Procedure</a></code></span></div> <div class="block">The user-level code of the procedure may have some state to @@ -354,10 +360,10 @@ extends <a href="../../../../../../org/apache/hadoop/hbase/master/assignment/Reg <a name="deserializeStateData-org.apache.hadoop.hbase.procedure2.ProcedureStateSerializer-"> <!-- --> </a> -<ul class="blockListLast"> +<ul class="blockList"> <li class="blockList"> <h4>deserializeStateData</h4> -<pre>protected void <a href="../../../../../../src-html/org/apache/hadoop/hbase/master/assignment/OpenRegionProcedure.html#line.63">deserializeStateData</a>(<a href="../../../../../../org/apache/hadoop/hbase/procedure2/ProcedureStateSerializer.html" title="interface in org.apache.hadoop.hbase.procedure2">ProcedureStateSerializer</a> serializer) +<pre>protected void <a href="../../../../../../src-html/org/apache/hadoop/hbase/master/assignment/OpenRegionProcedure.html#line.64">deserializeStateData</a>(<a href="../../../../../../org/apache/hadoop/hbase/procedure2/ProcedureStateSerializer.html" title="interface in org.apache.hadoop.hbase.procedure2">ProcedureStateSerializer</a> serializer) throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre> <div class="block"><span class="descfrmTypeLabel">Description copied from class: <code><a href="../../../../../../org/apache/hadoop/hbase/procedure2/Procedure.html#deserializeStateData-org.apache.hadoop.hbase.procedure2.ProcedureStateSerializer-">Procedure</a></code></span></div> <div class="block">Called on store load to allow the user to decode the previously serialized @@ -372,6 +378,27 @@ extends <a href="../../../../../../org/apache/hadoop/hbase/master/assignment/Reg </dl> </li> </ul> +<a name="shouldDispatch-org.apache.hadoop.hbase.master.assignment.RegionStateNode-"> +<!-- --> +</a> +<ul class="blockListLast"> +<li class="blockList"> +<h4>shouldDispatch</h4> +<pre>protected boolean <a href="../../../../../../src-html/org/apache/hadoop/hbase/master/assignment/OpenRegionProcedure.html#line.70">shouldDispatch</a>(<a href="../../../../../../org/apache/hadoop/hbase/master/assignment/RegionStateNode.html" title="class in org.apache.hadoop.hbase.master.assignment">RegionStateNode</a> regionNode)</pre> +<div class="block"><span class="descfrmTypeLabel">Description copied from class: <code><a href="../../../../../../org/apache/hadoop/hbase/master/assignment/RegionRemoteProcedureBase.html#shouldDispatch-org.apache.hadoop.hbase.master.assignment.RegionStateNode-">RegionRemoteProcedureBase</a></code></span></div> +<div class="block">Check whether we still need to make the call to RS. + <p/> + Usually this will not happen if we do not allow assigning a already onlined region. But if we + have something wrong in the RSProcedureDispatcher, where we have already sent the request to + RS, but then we tell the upper layer the remote call is failed due to rpc timeout or connection + closed or anything else, then this issue can still happen. So here we add a check to make it + more robust.</div> +<dl> +<dt><span class="overrideSpecifyLabel">Specified by:</span></dt> +<dd><code><a href="../../../../../../org/apache/hadoop/hbase/master/assignment/RegionRemoteProcedureBase.html#shouldDispatch-org.apache.hadoop.hbase.master.assignment.RegionStateNode-">shouldDispatch</a></code> in class <code><a href="../../../../../../org/apache/hadoop/hbase/master/assignment/RegionRemoteProcedureBase.html" title="class in org.apache.hadoop.hbase.master.assignment">RegionRemoteProcedureBase</a></code></dd> +</dl> +</li> +</ul> </li> </ul> </li> http://git-wip-us.apache.org/repos/asf/hbase-site/blob/424d7e41/devapidocs/org/apache/hadoop/hbase/master/assignment/RegionRemoteProcedureBase.html ---------------------------------------------------------------------- diff --git a/devapidocs/org/apache/hadoop/hbase/master/assignment/RegionRemoteProcedureBase.html b/devapidocs/org/apache/hadoop/hbase/master/assignment/RegionRemoteProcedureBase.html index 825cd34..6bf3871 100644 --- a/devapidocs/org/apache/hadoop/hbase/master/assignment/RegionRemoteProcedureBase.html +++ b/devapidocs/org/apache/hadoop/hbase/master/assignment/RegionRemoteProcedureBase.html @@ -18,8 +18,8 @@ catch(err) { } //--> -var methods = {"i0":10,"i1":10,"i2":10,"i3":10,"i4":10,"i5":10,"i6":10,"i7":10,"i8":10,"i9":10}; -var tabs = {65535:["t0","All Methods"],2:["t2","Instance Methods"],8:["t4","Concrete Methods"]}; +var methods = {"i0":10,"i1":10,"i2":10,"i3":10,"i4":10,"i5":10,"i6":10,"i7":10,"i8":10,"i9":10,"i10":6}; +var tabs = {65535:["t0","All Methods"],2:["t2","Instance Methods"],4:["t3","Abstract Methods"],8:["t4","Concrete Methods"]}; var altColor = "altColor"; var rowColor = "rowColor"; var tableTab = "tableTab"; @@ -228,7 +228,7 @@ implements <a href="../../../../../../org/apache/hadoop/hbase/master/procedure/T </a> <h3>Method Summary</h3> <table class="memberSummary" border="0" cellpadding="3" cellspacing="0" summary="Method Summary table, listing 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scope="col">Method and Description</th> @@ -254,8 +254,8 @@ implements <a href="../../../../../../org/apache/hadoop/hbase/master/procedure/T </td> </tr> <tr id="i3" class="rowColor"> -<td class="colFirst"><code>private <a href="../../../../../../org/apache/hadoop/hbase/procedure2/ProcedureEvent.html" title="class in org.apache.hadoop.hbase.procedure2">ProcedureEvent</a><?></code></td> -<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/master/assignment/RegionRemoteProcedureBase.html#getRegionEvent-org.apache.hadoop.hbase.master.procedure.MasterProcedureEnv-">getRegionEvent</a></span>(<a href="../../../../../../org/apache/hadoop/hbase/master/procedure/MasterProcedureEnv.html" title="class in org.apache.hadoop.hbase.master.procedure">MasterProcedureEnv</a> env)</code> </td> +<td class="colFirst"><code>private <a href="../../../../../../org/apache/hadoop/hbase/master/assignment/RegionStateNode.html" title="class in org.apache.hadoop.hbase.master.assignment">RegionStateNode</a></code></td> +<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/master/assignment/RegionRemoteProcedureBase.html#getRegionNode-org.apache.hadoop.hbase.master.procedure.MasterProcedureEnv-">getRegionNode</a></span>(<a href="../../../../../../org/apache/hadoop/hbase/master/procedure/MasterProcedureEnv.html" title="class in org.apache.hadoop.hbase.master.procedure">MasterProcedureEnv</a> env)</code> </td> </tr> <tr id="i4" class="altColor"> <td class="colFirst"><code><a href="../../../../../../org/apache/hadoop/hbase/TableName.html" title="class in org.apache.hadoop.hbase">TableName</a></code></td> @@ -297,6 +297,12 @@ implements <a href="../../../../../../org/apache/hadoop/hbase/master/procedure/T persist (e.g.</div> </td> </tr> +<tr id="i10" class="altColor"> +<td class="colFirst"><code>protected abstract boolean</code></td> +<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/master/assignment/RegionRemoteProcedureBase.html#shouldDispatch-org.apache.hadoop.hbase.master.assignment.RegionStateNode-">shouldDispatch</a></span>(<a href="../../../../../../org/apache/hadoop/hbase/master/assignment/RegionStateNode.html" title="class in org.apache.hadoop.hbase.master.assignment">RegionStateNode</a> regionNode)</code> +<div class="block">Check whether we still need to make the call to RS.</div> +</td> +</tr> </table> <ul class="blockList"> <li class="blockList"><a name="methods.inherited.from.class.org.apache.hadoop.hbase.procedure2.Procedure"> @@ -444,13 +450,13 @@ implements <a href="../../../../../../org/apache/hadoop/hbase/master/procedure/T </dl> </li> </ul> -<a name="getRegionEvent-org.apache.hadoop.hbase.master.procedure.MasterProcedureEnv-"> +<a name="getRegionNode-org.apache.hadoop.hbase.master.procedure.MasterProcedureEnv-"> <!-- --> </a> <ul class="blockList"> <li class="blockList"> -<h4>getRegionEvent</h4> -<pre>private <a href="../../../../../../org/apache/hadoop/hbase/procedure2/ProcedureEvent.html" title="class in org.apache.hadoop.hbase.procedure2">ProcedureEvent</a><?> <a href="../../../../../../src-html/org/apache/hadoop/hbase/master/assignment/RegionRemoteProcedureBase.html#line.80">getRegionEvent</a>(<a href="../../../../../../org/apache/hadoop/hbase/master/procedure/MasterProcedureEnv.html" title="class in org.apache.hadoop.hbase.master.procedure">MasterProcedureEnv</a> env)</pre> +<h4>getRegionNode</h4> +<pre>private <a href="../../../../../../org/apache/hadoop/hbase/master/assignment/RegionStateNode.html" title="class in org.apache.hadoop.hbase.master.assignment">RegionStateNode</a> <a href="../../../../../../src-html/org/apache/hadoop/hbase/master/assignment/RegionRemoteProcedureBase.html#line.80">getRegionNode</a>(<a href="../../../../../../org/apache/hadoop/hbase/master/procedure/MasterProcedureEnv.html" title="class in org.apache.hadoop.hbase.master.procedure">MasterProcedureEnv</a> env)</pre> </li> </ul> <a name="remoteCallFailed-org.apache.hadoop.hbase.master.procedure.MasterProcedureEnv-org.apache.hadoop.hbase.ServerName-java.io.IOException-"> @@ -459,7 +465,7 @@ implements <a href="../../../../../../org/apache/hadoop/hbase/master/procedure/T <ul class="blockList"> <li class="blockList"> <h4>remoteCallFailed</h4> -<pre>public void <a href="../../../../../../src-html/org/apache/hadoop/hbase/master/assignment/RegionRemoteProcedureBase.html#line.86">remoteCallFailed</a>(<a href="../../../../../../org/apache/hadoop/hbase/master/procedure/MasterProcedureEnv.html" title="class in org.apache.hadoop.hbase.master.procedure">MasterProcedureEnv</a> env, +<pre>public void <a href="../../../../../../src-html/org/apache/hadoop/hbase/master/assignment/RegionRemoteProcedureBase.html#line.85">remoteCallFailed</a>(<a href="../../../../../../org/apache/hadoop/hbase/master/procedure/MasterProcedureEnv.html" 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org.apache.hadoop.hbase">TableName</a> <a href="../../../../../../src-html/org/apache/hadoop/hbase/master/assignment/RegionRemoteProcedureBase.html#line.104">getTableName</a>()</pre> +<pre>public <a href="../../../../../../org/apache/hadoop/hbase/TableName.html" title="class in org.apache.hadoop.hbase">TableName</a> <a href="../../../../../../src-html/org/apache/hadoop/hbase/master/assignment/RegionRemoteProcedureBase.html#line.106">getTableName</a>()</pre> <dl> <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> <dd><code><a href="../../../../../../org/apache/hadoop/hbase/master/procedure/TableProcedureInterface.html#getTableName--">getTableName</a></code> in interface <code><a href="../../../../../../org/apache/hadoop/hbase/master/procedure/TableProcedureInterface.html" title="interface in org.apache.hadoop.hbase.master.procedure">TableProcedureInterface</a></code></dd> @@ -491,7 +497,7 @@ implements <a href="../../../../../../org/apache/hadoop/hbase/master/procedure/T 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title="class or interface in java.lang">InterruptedException</a></pre> <div class="block"><span class="descfrmTypeLabel">Description copied from class: <code><a href="../../../../../../org/apache/hadoop/hbase/procedure2/Procedure.html#rollback-TEnvironment-">Procedure</a></code></span></div> @@ -518,7 +524,7 @@ implements <a href="../../../../../../org/apache/hadoop/hbase/master/procedure/T <ul class="blockList"> <li class="blockList"> <h4>abort</h4> -<pre>protected boolean <a href="../../../../../../src-html/org/apache/hadoop/hbase/master/assignment/RegionRemoteProcedureBase.html#line.114">abort</a>(<a href="../../../../../../org/apache/hadoop/hbase/master/procedure/MasterProcedureEnv.html" title="class in org.apache.hadoop.hbase.master.procedure">MasterProcedureEnv</a> env)</pre> +<pre>protected boolean <a href="../../../../../../src-html/org/apache/hadoop/hbase/master/assignment/RegionRemoteProcedureBase.html#line.116">abort</a>(<a href="../../../../../../org/apache/hadoop/hbase/master/procedure/MasterProcedureEnv.html" title="class in org.apache.hadoop.hbase.master.procedure">MasterProcedureEnv</a> env)</pre> <div class="block"><span class="descfrmTypeLabel">Description copied from class: <code><a href="../../../../../../org/apache/hadoop/hbase/procedure2/Procedure.html#abort-TEnvironment-">Procedure</a></code></span></div> <div class="block">The abort() call is asynchronous and each procedure must decide how to deal with it, if they want to be abortable. The simplest implementation @@ -535,13 +541,29 @@ implements <a href="../../../../../../org/apache/hadoop/hbase/master/procedure/T </dl> </li> </ul> +<a name="shouldDispatch-org.apache.hadoop.hbase.master.assignment.RegionStateNode-"> +<!-- --> +</a> +<ul class="blockList"> +<li class="blockList"> +<h4>shouldDispatch</h4> +<pre>protected abstract boolean <a href="../../../../../../src-html/org/apache/hadoop/hbase/master/assignment/RegionRemoteProcedureBase.html#line.129">shouldDispatch</a>(<a href="../../../../../../org/apache/hadoop/hbase/master/assignment/RegionStateNode.html" title="class in org.apache.hadoop.hbase.master.assignment">RegionStateNode</a> regionNode)</pre> +<div class="block">Check whether we still need to make the call to RS. + <p/> + Usually this will not happen if we do not allow assigning a already onlined region. But if we + have something wrong in the RSProcedureDispatcher, where we have already sent the request to + RS, but then we tell the upper layer the remote call is failed due to rpc timeout or connection + closed or anything else, then this issue can still happen. So here we add a check to make it + more robust.</div> +</li> +</ul> <a name="execute-org.apache.hadoop.hbase.master.procedure.MasterProcedureEnv-"> <!-- --> </a> <ul class="blockList"> <li class="blockList"> <h4>execute</h4> -<pre>protected <a href="../../../../../../org/apache/hadoop/hbase/procedure2/Procedure.html" title="class in org.apache.hadoop.hbase.procedure2">Procedure</a><<a href="../../../../../../org/apache/hadoop/hbase/master/procedure/MasterProcedureEnv.html" title="class in org.apache.hadoop.hbase.master.procedure">MasterProcedureEnv</a>>[] <a href="../../../../../../src-html/org/apache/hadoop/hbase/master/assignment/RegionRemoteProcedureBase.html#line.119">execute</a>(<a href="../../../../../../org/apache/hadoop/hbase/master/procedure/MasterProcedureEnv.html" title="class in org.apache.hadoop.hbase.master.procedure">MasterProcedureEnv</a> env) +<pre>protected <a href="../../../../../../org/apache/hadoop/hbase/procedure2/Procedure.html" title="class in org.apache.hadoop.hbase.procedure2">Procedure</a><<a href="../../../../../../org/apache/hadoop/hbase/master/procedure/MasterProcedureEnv.html" title="class in org.apache.hadoop.hbase.master.procedure">MasterProcedureEnv</a>>[] <a href="../../../../../../src-html/org/apache/hadoop/hbase/master/assignment/RegionRemoteProcedureBase.html#line.132">execute</a>(<a href="../../../../../../org/apache/hadoop/hbase/master/procedure/MasterProcedureEnv.html" title="class in org.apache.hadoop.hbase.master.procedure">MasterProcedureEnv</a> env) throws <a href="../../../../../../org/apache/hadoop/hbase/procedure2/ProcedureYieldException.html" title="class in org.apache.hadoop.hbase.procedure2">ProcedureYieldException</a>, <a href="../../../../../../org/apache/hadoop/hbase/procedure2/ProcedureSuspendedException.html" title="class in org.apache.hadoop.hbase.procedure2">ProcedureSuspendedException</a>, <a 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