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Posted to commits@hbase.apache.org by gi...@apache.org on 2018/09/04 14:48:06 UTC
[17/51] [partial] hbase-site git commit: Published site at
c6a65ba63fce85ac7c4b62b96ef2bbe6c35d2f00.
http://git-wip-us.apache.org/repos/asf/hbase-site/blob/293abb17/devapidocs/src-html/org/apache/hadoop/hbase/master/assignment/AssignmentManagerUtil.html
----------------------------------------------------------------------
diff --git a/devapidocs/src-html/org/apache/hadoop/hbase/master/assignment/AssignmentManagerUtil.html b/devapidocs/src-html/org/apache/hadoop/hbase/master/assignment/AssignmentManagerUtil.html
index b34af43..1ccb0e1 100644
--- a/devapidocs/src-html/org/apache/hadoop/hbase/master/assignment/AssignmentManagerUtil.html
+++ b/devapidocs/src-html/org/apache/hadoop/hbase/master/assignment/AssignmentManagerUtil.html
@@ -26,181 +26,204 @@
<span class="sourceLineNo">018</span>package org.apache.hadoop.hbase.master.assignment;<a name="line.18"></a>
<span class="sourceLineNo">019</span><a name="line.19"></a>
<span class="sourceLineNo">020</span>import java.io.IOException;<a name="line.20"></a>
-<span class="sourceLineNo">021</span>import java.util.Collections;<a name="line.21"></a>
-<span class="sourceLineNo">022</span>import java.util.List;<a name="line.22"></a>
-<span class="sourceLineNo">023</span>import java.util.ListIterator;<a name="line.23"></a>
-<span class="sourceLineNo">024</span>import java.util.stream.Collectors;<a name="line.24"></a>
-<span class="sourceLineNo">025</span>import java.util.stream.IntStream;<a name="line.25"></a>
-<span class="sourceLineNo">026</span>import java.util.stream.Stream;<a name="line.26"></a>
-<span class="sourceLineNo">027</span>import org.apache.hadoop.hbase.HBaseIOException;<a name="line.27"></a>
-<span class="sourceLineNo">028</span>import org.apache.hadoop.hbase.ServerName;<a name="line.28"></a>
-<span class="sourceLineNo">029</span>import org.apache.hadoop.hbase.client.RegionInfo;<a name="line.29"></a>
-<span class="sourceLineNo">030</span>import org.apache.hadoop.hbase.client.RegionReplicaUtil;<a name="line.30"></a>
-<span class="sourceLineNo">031</span>import org.apache.hadoop.hbase.favored.FavoredNodesManager;<a name="line.31"></a>
-<span class="sourceLineNo">032</span>import org.apache.hadoop.hbase.ipc.HBaseRpcController;<a name="line.32"></a>
-<span class="sourceLineNo">033</span>import org.apache.hadoop.hbase.master.procedure.MasterProcedureEnv;<a name="line.33"></a>
-<span class="sourceLineNo">034</span>import org.apache.hadoop.hbase.wal.WALSplitter;<a name="line.34"></a>
-<span class="sourceLineNo">035</span>import org.apache.yetus.audience.InterfaceAudience;<a name="line.35"></a>
-<span class="sourceLineNo">036</span><a name="line.36"></a>
-<span class="sourceLineNo">037</span>import org.apache.hbase.thirdparty.com.google.protobuf.ServiceException;<a name="line.37"></a>
-<span class="sourceLineNo">038</span><a name="line.38"></a>
-<span class="sourceLineNo">039</span>import org.apache.hadoop.hbase.shaded.protobuf.ProtobufUtil;<a name="line.39"></a>
-<span class="sourceLineNo">040</span>import org.apache.hadoop.hbase.shaded.protobuf.RequestConverter;<a name="line.40"></a>
-<span class="sourceLineNo">041</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.AdminProtos.AdminService;<a name="line.41"></a>
-<span class="sourceLineNo">042</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.AdminProtos.GetRegionInfoRequest;<a name="line.42"></a>
-<span class="sourceLineNo">043</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.AdminProtos.GetRegionInfoResponse;<a name="line.43"></a>
-<span class="sourceLineNo">044</span><a name="line.44"></a>
-<span class="sourceLineNo">045</span>/**<a name="line.45"></a>
-<span class="sourceLineNo">046</span> * Utility for this assignment package only.<a name="line.46"></a>
-<span class="sourceLineNo">047</span> */<a name="line.47"></a>
-<span class="sourceLineNo">048</span>@InterfaceAudience.Private<a name="line.48"></a>
-<span class="sourceLineNo">049</span>final class AssignmentManagerUtil {<a name="line.49"></a>
-<span class="sourceLineNo">050</span> private AssignmentManagerUtil() {<a name="line.50"></a>
-<span class="sourceLineNo">051</span> }<a name="line.51"></a>
-<span class="sourceLineNo">052</span><a name="line.52"></a>
-<span class="sourceLineNo">053</span> /**<a name="line.53"></a>
-<span class="sourceLineNo">054</span> * Raw call to remote regionserver to get info on a particular region.<a name="line.54"></a>
-<span class="sourceLineNo">055</span> * @throws IOException Let it out so can report this IOE as reason for failure<a name="line.55"></a>
-<span class="sourceLineNo">056</span> */<a name="line.56"></a>
-<span class="sourceLineNo">057</span> static GetRegionInfoResponse getRegionInfoResponse(final MasterProcedureEnv env,<a name="line.57"></a>
-<span class="sourceLineNo">058</span> final ServerName regionLocation, final RegionInfo hri) throws IOException {<a name="line.58"></a>
-<span class="sourceLineNo">059</span> return getRegionInfoResponse(env, regionLocation, hri, false);<a name="line.59"></a>
-<span class="sourceLineNo">060</span> }<a name="line.60"></a>
-<span class="sourceLineNo">061</span><a name="line.61"></a>
+<span class="sourceLineNo">021</span>import java.util.ArrayList;<a name="line.21"></a>
+<span class="sourceLineNo">022</span>import java.util.Collections;<a name="line.22"></a>
+<span class="sourceLineNo">023</span>import java.util.List;<a name="line.23"></a>
+<span class="sourceLineNo">024</span>import java.util.ListIterator;<a name="line.24"></a>
+<span class="sourceLineNo">025</span>import java.util.stream.Collectors;<a name="line.25"></a>
+<span class="sourceLineNo">026</span>import java.util.stream.IntStream;<a name="line.26"></a>
+<span class="sourceLineNo">027</span>import java.util.stream.Stream;<a name="line.27"></a>
+<span class="sourceLineNo">028</span><a name="line.28"></a>
+<span class="sourceLineNo">029</span>import org.apache.commons.lang3.ArrayUtils;<a name="line.29"></a>
+<span class="sourceLineNo">030</span>import org.apache.hadoop.hbase.HBaseIOException;<a name="line.30"></a>
+<span class="sourceLineNo">031</span>import org.apache.hadoop.hbase.ServerName;<a name="line.31"></a>
+<span class="sourceLineNo">032</span>import org.apache.hadoop.hbase.client.RegionInfo;<a name="line.32"></a>
+<span class="sourceLineNo">033</span>import org.apache.hadoop.hbase.client.RegionReplicaUtil;<a name="line.33"></a>
+<span class="sourceLineNo">034</span>import org.apache.hadoop.hbase.favored.FavoredNodesManager;<a name="line.34"></a>
+<span class="sourceLineNo">035</span>import org.apache.hadoop.hbase.ipc.HBaseRpcController;<a name="line.35"></a>
+<span class="sourceLineNo">036</span>import org.apache.hadoop.hbase.master.procedure.MasterProcedureEnv;<a name="line.36"></a>
+<span class="sourceLineNo">037</span>import org.apache.hadoop.hbase.wal.WALSplitter;<a name="line.37"></a>
+<span class="sourceLineNo">038</span>import org.apache.yetus.audience.InterfaceAudience;<a name="line.38"></a>
+<span class="sourceLineNo">039</span><a name="line.39"></a>
+<span class="sourceLineNo">040</span>import org.apache.hbase.thirdparty.com.google.protobuf.ServiceException;<a name="line.40"></a>
+<span class="sourceLineNo">041</span><a name="line.41"></a>
+<span class="sourceLineNo">042</span>import org.apache.hadoop.hbase.shaded.protobuf.ProtobufUtil;<a name="line.42"></a>
+<span class="sourceLineNo">043</span>import org.apache.hadoop.hbase.shaded.protobuf.RequestConverter;<a name="line.43"></a>
+<span class="sourceLineNo">044</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.AdminProtos.AdminService;<a name="line.44"></a>
+<span class="sourceLineNo">045</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.AdminProtos.GetRegionInfoRequest;<a name="line.45"></a>
+<span class="sourceLineNo">046</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.AdminProtos.GetRegionInfoResponse;<a name="line.46"></a>
+<span class="sourceLineNo">047</span><a name="line.47"></a>
+<span class="sourceLineNo">048</span>/**<a name="line.48"></a>
+<span class="sourceLineNo">049</span> * Utility for this assignment package only.<a name="line.49"></a>
+<span class="sourceLineNo">050</span> */<a name="line.50"></a>
+<span class="sourceLineNo">051</span>@InterfaceAudience.Private<a name="line.51"></a>
+<span class="sourceLineNo">052</span>final class AssignmentManagerUtil {<a name="line.52"></a>
+<span class="sourceLineNo">053</span> private static final int DEFAULT_REGION_REPLICA = 1;<a name="line.53"></a>
+<span class="sourceLineNo">054</span><a name="line.54"></a>
+<span class="sourceLineNo">055</span> private AssignmentManagerUtil() {<a name="line.55"></a>
+<span class="sourceLineNo">056</span> }<a name="line.56"></a>
+<span class="sourceLineNo">057</span><a name="line.57"></a>
+<span class="sourceLineNo">058</span> /**<a name="line.58"></a>
+<span class="sourceLineNo">059</span> * Raw call to remote regionserver to get info on a particular region.<a name="line.59"></a>
+<span class="sourceLineNo">060</span> * @throws IOException Let it out so can report this IOE as reason for failure<a name="line.60"></a>
+<span class="sourceLineNo">061</span> */<a name="line.61"></a>
<span class="sourceLineNo">062</span> static GetRegionInfoResponse getRegionInfoResponse(final MasterProcedureEnv env,<a name="line.62"></a>
-<span class="sourceLineNo">063</span> final ServerName regionLocation, final RegionInfo hri, boolean includeBestSplitRow)<a name="line.63"></a>
-<span class="sourceLineNo">064</span> throws IOException {<a name="line.64"></a>
-<span class="sourceLineNo">065</span> // TODO: There is no timeout on this controller. Set one!<a name="line.65"></a>
-<span class="sourceLineNo">066</span> HBaseRpcController controller =<a name="line.66"></a>
-<span class="sourceLineNo">067</span> env.getMasterServices().getClusterConnection().getRpcControllerFactory().newController();<a name="line.67"></a>
-<span class="sourceLineNo">068</span> final AdminService.BlockingInterface admin =<a name="line.68"></a>
-<span class="sourceLineNo">069</span> env.getMasterServices().getClusterConnection().getAdmin(regionLocation);<a name="line.69"></a>
-<span class="sourceLineNo">070</span> GetRegionInfoRequest request = null;<a name="line.70"></a>
-<span class="sourceLineNo">071</span> if (includeBestSplitRow) {<a name="line.71"></a>
-<span class="sourceLineNo">072</span> request = RequestConverter.buildGetRegionInfoRequest(hri.getRegionName(), false, true);<a name="line.72"></a>
-<span class="sourceLineNo">073</span> } else {<a name="line.73"></a>
-<span class="sourceLineNo">074</span> request = RequestConverter.buildGetRegionInfoRequest(hri.getRegionName());<a name="line.74"></a>
-<span class="sourceLineNo">075</span> }<a name="line.75"></a>
-<span class="sourceLineNo">076</span> try {<a name="line.76"></a>
-<span class="sourceLineNo">077</span> return admin.getRegionInfo(controller, request);<a name="line.77"></a>
-<span class="sourceLineNo">078</span> } catch (ServiceException e) {<a name="line.78"></a>
-<span class="sourceLineNo">079</span> throw ProtobufUtil.handleRemoteException(e);<a name="line.79"></a>
+<span class="sourceLineNo">063</span> final ServerName regionLocation, final RegionInfo hri) throws IOException {<a name="line.63"></a>
+<span class="sourceLineNo">064</span> return getRegionInfoResponse(env, regionLocation, hri, false);<a name="line.64"></a>
+<span class="sourceLineNo">065</span> }<a name="line.65"></a>
+<span class="sourceLineNo">066</span><a name="line.66"></a>
+<span class="sourceLineNo">067</span> static GetRegionInfoResponse getRegionInfoResponse(final MasterProcedureEnv env,<a name="line.67"></a>
+<span class="sourceLineNo">068</span> final ServerName regionLocation, final RegionInfo hri, boolean includeBestSplitRow)<a name="line.68"></a>
+<span class="sourceLineNo">069</span> throws IOException {<a name="line.69"></a>
+<span class="sourceLineNo">070</span> // TODO: There is no timeout on this controller. Set one!<a name="line.70"></a>
+<span class="sourceLineNo">071</span> HBaseRpcController controller =<a name="line.71"></a>
+<span class="sourceLineNo">072</span> env.getMasterServices().getClusterConnection().getRpcControllerFactory().newController();<a name="line.72"></a>
+<span class="sourceLineNo">073</span> final AdminService.BlockingInterface admin =<a name="line.73"></a>
+<span class="sourceLineNo">074</span> env.getMasterServices().getClusterConnection().getAdmin(regionLocation);<a name="line.74"></a>
+<span class="sourceLineNo">075</span> GetRegionInfoRequest request = null;<a name="line.75"></a>
+<span class="sourceLineNo">076</span> if (includeBestSplitRow) {<a name="line.76"></a>
+<span class="sourceLineNo">077</span> request = RequestConverter.buildGetRegionInfoRequest(hri.getRegionName(), false, true);<a name="line.77"></a>
+<span class="sourceLineNo">078</span> } else {<a name="line.78"></a>
+<span class="sourceLineNo">079</span> request = RequestConverter.buildGetRegionInfoRequest(hri.getRegionName());<a name="line.79"></a>
<span class="sourceLineNo">080</span> }<a name="line.80"></a>
-<span class="sourceLineNo">081</span> }<a name="line.81"></a>
-<span class="sourceLineNo">082</span><a name="line.82"></a>
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-<span class="sourceLineNo">084</span> regionNodes.iterator().forEachRemaining(RegionStateNode::lock);<a name="line.84"></a>
-<span class="sourceLineNo">085</span> }<a name="line.85"></a>
-<span class="sourceLineNo">086</span><a name="line.86"></a>
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-<span class="sourceLineNo">088</span> for (ListIterator<RegionStateNode> iter = regionNodes.listIterator(regionNodes.size()); iter<a name="line.88"></a>
-<span class="sourceLineNo">089</span> .hasPrevious();) {<a name="line.89"></a>
-<span class="sourceLineNo">090</span> iter.previous().unlock();<a name="line.90"></a>
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-<span class="sourceLineNo">092</span> }<a name="line.92"></a>
-<span class="sourceLineNo">093</span><a name="line.93"></a>
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-<span class="sourceLineNo">095</span> MasterProcedureEnv env, Stream<RegionInfo> regions, int regionReplication)<a name="line.95"></a>
-<span class="sourceLineNo">096</span> throws IOException {<a name="line.96"></a>
-<span class="sourceLineNo">097</span> List<RegionStateNode> regionNodes = regions<a name="line.97"></a>
-<span class="sourceLineNo">098</span> .flatMap(hri -> IntStream.range(0, regionReplication)<a name="line.98"></a>
-<span class="sourceLineNo">099</span> .mapToObj(i -> RegionReplicaUtil.getRegionInfoForReplica(hri, i)))<a name="line.99"></a>
-<span class="sourceLineNo">100</span> .map(env.getAssignmentManager().getRegionStates()::getOrCreateRegionStateNode)<a name="line.100"></a>
-<span class="sourceLineNo">101</span> .collect(Collectors.toList());<a name="line.101"></a>
-<span class="sourceLineNo">102</span> TransitRegionStateProcedure[] procs = new TransitRegionStateProcedure[regionNodes.size()];<a name="line.102"></a>
-<span class="sourceLineNo">103</span> boolean rollback = true;<a name="line.103"></a>
-<span class="sourceLineNo">104</span> int i = 0;<a name="line.104"></a>
-<span class="sourceLineNo">105</span> // hold the lock at once, and then release it in finally. This is important as SCP may jump in<a name="line.105"></a>
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-<span class="sourceLineNo">107</span> lock(regionNodes);<a name="line.107"></a>
-<span class="sourceLineNo">108</span> try {<a name="line.108"></a>
-<span class="sourceLineNo">109</span> for (; i < procs.length; i++) {<a name="line.109"></a>
-<span class="sourceLineNo">110</span> RegionStateNode regionNode = regionNodes.get(i);<a name="line.110"></a>
-<span class="sourceLineNo">111</span> TransitRegionStateProcedure proc =<a name="line.111"></a>
-<span class="sourceLineNo">112</span> TransitRegionStateProcedure.unassign(env, regionNode.getRegionInfo());<a name="line.112"></a>
-<span class="sourceLineNo">113</span> if (regionNode.getProcedure() != null) {<a name="line.113"></a>
-<span class="sourceLineNo">114</span> throw new HBaseIOException(<a name="line.114"></a>
-<span class="sourceLineNo">115</span> "The parent region " + regionNode + " is currently in transition, give up");<a name="line.115"></a>
-<span class="sourceLineNo">116</span> }<a name="line.116"></a>
-<span class="sourceLineNo">117</span> regionNode.setProcedure(proc);<a name="line.117"></a>
-<span class="sourceLineNo">118</span> procs[i] = proc;<a name="line.118"></a>
-<span class="sourceLineNo">119</span> }<a name="line.119"></a>
-<span class="sourceLineNo">120</span> // all succeeded, set rollback to false<a name="line.120"></a>
-<span class="sourceLineNo">121</span> rollback = false;<a name="line.121"></a>
-<span class="sourceLineNo">122</span> } finally {<a name="line.122"></a>
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-<span class="sourceLineNo">125</span> i--;<a name="line.125"></a>
-<span class="sourceLineNo">126</span> if (i < 0) {<a name="line.126"></a>
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-<span class="sourceLineNo">129</span> RegionStateNode regionNode = regionNodes.get(i);<a name="line.129"></a>
-<span class="sourceLineNo">130</span> regionNode.unsetProcedure(procs[i]);<a name="line.130"></a>
-<span class="sourceLineNo">131</span> }<a name="line.131"></a>
-<span class="sourceLineNo">132</span> }<a name="line.132"></a>
-<span class="sourceLineNo">133</span> unlock(regionNodes);<a name="line.133"></a>
-<span class="sourceLineNo">134</span> }<a name="line.134"></a>
-<span class="sourceLineNo">135</span> return procs;<a name="line.135"></a>
-<span class="sourceLineNo">136</span> }<a name="line.136"></a>
-<span class="sourceLineNo">137</span><a name="line.137"></a>
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-<span class="sourceLineNo">139</span> Stream<RegionInfo> regions, int regionReplication, ServerName targetServer) {<a name="line.139"></a>
-<span class="sourceLineNo">140</span> return regions<a name="line.140"></a>
-<span class="sourceLineNo">141</span> .flatMap(hri -> IntStream.range(0, regionReplication)<a name="line.141"></a>
-<span class="sourceLineNo">142</span> .mapToObj(i -> RegionReplicaUtil.getRegionInfoForReplica(hri, i)))<a name="line.142"></a>
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-<span class="sourceLineNo">144</span> .map(regionNode -> {<a name="line.144"></a>
-<span class="sourceLineNo">145</span> TransitRegionStateProcedure proc =<a name="line.145"></a>
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-<span class="sourceLineNo">147</span> regionNode.lock();<a name="line.147"></a>
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-<span class="sourceLineNo">150</span> // created, or has been successfully closed so should not be on any servers, so SCP will<a name="line.150"></a>
-<span class="sourceLineNo">151</span> // not process it either.<a name="line.151"></a>
-<span class="sourceLineNo">152</span> assert !regionNode.isInTransition();<a name="line.152"></a>
-<span class="sourceLineNo">153</span> regionNode.setProcedure(proc);<a name="line.153"></a>
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-<span class="sourceLineNo">155</span> regionNode.unlock();<a name="line.155"></a>
-<span class="sourceLineNo">156</span> }<a name="line.156"></a>
-<span class="sourceLineNo">157</span> return proc;<a name="line.157"></a>
-<span class="sourceLineNo">158</span> }).toArray(TransitRegionStateProcedure[]::new);<a name="line.158"></a>
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-<span class="sourceLineNo">163</span> ServerName targetServer) {<a name="line.163"></a>
-<span class="sourceLineNo">164</span> return createAssignProcedures(env, regions, regionReplication, targetServer);<a name="line.164"></a>
-<span class="sourceLineNo">165</span> }<a name="line.165"></a>
-<span class="sourceLineNo">166</span><a name="line.166"></a>
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-<span class="sourceLineNo">169</span> TransitRegionStateProcedure[] procs =<a name="line.169"></a>
-<span class="sourceLineNo">170</span> createAssignProcedures(env, regions, regionReplication, targetServer);<a name="line.170"></a>
-<span class="sourceLineNo">171</span> env.getMasterServices().getMasterProcedureExecutor().submitProcedures(procs);<a name="line.171"></a>
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-<span class="sourceLineNo">173</span><a name="line.173"></a>
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-<span class="sourceLineNo">176</span> // Remove from in-memory states<a name="line.176"></a>
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-<span class="sourceLineNo">178</span> .mapToObj(i -> RegionReplicaUtil.getRegionInfoForReplica(hri, i))).forEach(hri -> {<a name="line.178"></a>
-<span class="sourceLineNo">179</span> env.getAssignmentManager().getRegionStates().deleteRegion(hri);<a name="line.179"></a>
-<span class="sourceLineNo">180</span> env.getMasterServices().getServerManager().removeRegion(hri);<a name="line.180"></a>
-<span class="sourceLineNo">181</span> FavoredNodesManager fnm = env.getMasterServices().getFavoredNodesManager();<a name="line.181"></a>
-<span class="sourceLineNo">182</span> if (fnm != null) {<a name="line.182"></a>
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