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From git-site-r...@apache.org
Subject [08/51] [partial] hbase-site git commit: Published site at 82d554e3783372cc6b05489452c815b57c06f6cd.
Date Fri, 11 Aug 2017 15:06:09 GMT
http://git-wip-us.apache.org/repos/asf/hbase-site/blob/346adc37/devapidocs/src-html/org/apache/hadoop/hbase/master/assignment/AssignProcedure.html
----------------------------------------------------------------------
diff --git a/devapidocs/src-html/org/apache/hadoop/hbase/master/assignment/AssignProcedure.html b/devapidocs/src-html/org/apache/hadoop/hbase/master/assignment/AssignProcedure.html
index 7d33235..4e2ac53 100644
--- a/devapidocs/src-html/org/apache/hadoop/hbase/master/assignment/AssignProcedure.html
+++ b/devapidocs/src-html/org/apache/hadoop/hbase/master/assignment/AssignProcedure.html
@@ -35,324 +35,335 @@
 <span class="sourceLineNo">027</span>import org.apache.commons.logging.LogFactory;<a name="line.27"></a>
 <span class="sourceLineNo">028</span>import org.apache.hadoop.hbase.HRegionInfo;<a name="line.28"></a>
 <span class="sourceLineNo">029</span>import org.apache.hadoop.hbase.ServerName;<a name="line.29"></a>
-<span class="sourceLineNo">030</span>import org.apache.hadoop.hbase.classification.InterfaceAudience;<a name="line.30"></a>
-<span class="sourceLineNo">031</span>import org.apache.hadoop.hbase.client.RetriesExhaustedException;<a name="line.31"></a>
-<span class="sourceLineNo">032</span>import org.apache.hadoop.hbase.exceptions.UnexpectedStateException;<a name="line.32"></a>
-<span class="sourceLineNo">033</span>import org.apache.hadoop.hbase.master.RegionState.State;<a name="line.33"></a>
-<span class="sourceLineNo">034</span>import org.apache.hadoop.hbase.master.assignment.RegionStates.RegionStateNode;<a name="line.34"></a>
-<span class="sourceLineNo">035</span>import org.apache.hadoop.hbase.master.procedure.MasterProcedureEnv;<a name="line.35"></a>
-<span class="sourceLineNo">036</span>import org.apache.hadoop.hbase.master.procedure.RSProcedureDispatcher.RegionOpenOperation;<a name="line.36"></a>
-<span class="sourceLineNo">037</span>import org.apache.hadoop.hbase.procedure2.ProcedureMetrics;<a name="line.37"></a>
-<span class="sourceLineNo">038</span>import org.apache.hadoop.hbase.procedure2.ProcedureSuspendedException;<a name="line.38"></a>
-<span class="sourceLineNo">039</span>import org.apache.hadoop.hbase.procedure2.RemoteProcedureDispatcher.RemoteOperation;<a name="line.39"></a>
-<span class="sourceLineNo">040</span>import org.apache.hadoop.hbase.shaded.protobuf.ProtobufUtil;<a name="line.40"></a>
-<span class="sourceLineNo">041</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProcedureProtos.AssignRegionStateData;<a name="line.41"></a>
-<span class="sourceLineNo">042</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProcedureProtos.RegionTransitionState;<a name="line.42"></a>
-<span class="sourceLineNo">043</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.RegionServerStatusProtos.RegionStateTransition.TransitionCode;<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> * Procedure that describe the assignment of a single region.<a name="line.46"></a>
-<span class="sourceLineNo">047</span> * There can only be one RegionTransitionProcedure per region running at a time<a name="line.47"></a>
-<span class="sourceLineNo">048</span> * since each procedure takes a lock on the region.<a name="line.48"></a>
-<span class="sourceLineNo">049</span> *<a name="line.49"></a>
-<span class="sourceLineNo">050</span> * &lt;p&gt;The Assign starts by pushing the "assign" operation to the AssignmentManager<a name="line.50"></a>
-<span class="sourceLineNo">051</span> * and then will go in a "waiting" state.<a name="line.51"></a>
-<span class="sourceLineNo">052</span> * The AM will batch the "assign" requests and ask the Balancer where to put<a name="line.52"></a>
-<span class="sourceLineNo">053</span> * the region (the various policies will be respected: retain, round-robin, random).<a name="line.53"></a>
-<span class="sourceLineNo">054</span> * Once the AM and the balancer have found a place for the region the procedure<a name="line.54"></a>
-<span class="sourceLineNo">055</span> * will be resumed and an "open region" request will be placed in the Remote Dispatcher<a name="line.55"></a>
-<span class="sourceLineNo">056</span> * queue, and the procedure once again will go in a "waiting state".<a name="line.56"></a>
-<span class="sourceLineNo">057</span> * The Remote Dispatcher will batch the various requests for that server and<a name="line.57"></a>
-<span class="sourceLineNo">058</span> * they will be sent to the RS for execution.<a name="line.58"></a>
-<span class="sourceLineNo">059</span> * The RS will complete the open operation by calling master.reportRegionStateTransition().<a name="line.59"></a>
-<span class="sourceLineNo">060</span> * The AM will intercept the transition report, and notify the procedure.<a name="line.60"></a>
-<span class="sourceLineNo">061</span> * The procedure will finish the assignment by publishing to new state on meta<a name="line.61"></a>
-<span class="sourceLineNo">062</span> * or it will retry the assignment.<a name="line.62"></a>
-<span class="sourceLineNo">063</span> *<a name="line.63"></a>
-<span class="sourceLineNo">064</span> * &lt;p&gt;This procedure does not rollback when beyond the first<a name="line.64"></a>
-<span class="sourceLineNo">065</span> * REGION_TRANSITION_QUEUE step; it will press on trying to assign in the face of<a name="line.65"></a>
-<span class="sourceLineNo">066</span> * failure. Should we ignore rollback calls to Assign/Unassign then? Or just<a name="line.66"></a>
-<span class="sourceLineNo">067</span> * remove rollback here?<a name="line.67"></a>
-<span class="sourceLineNo">068</span> */<a name="line.68"></a>
-<span class="sourceLineNo">069</span>@InterfaceAudience.Private<a name="line.69"></a>
-<span class="sourceLineNo">070</span>public class AssignProcedure extends RegionTransitionProcedure {<a name="line.70"></a>
-<span class="sourceLineNo">071</span>  private static final Log LOG = LogFactory.getLog(AssignProcedure.class);<a name="line.71"></a>
-<span class="sourceLineNo">072</span><a name="line.72"></a>
-<span class="sourceLineNo">073</span>  private boolean forceNewPlan = false;<a name="line.73"></a>
-<span class="sourceLineNo">074</span><a name="line.74"></a>
-<span class="sourceLineNo">075</span>  /**<a name="line.75"></a>
-<span class="sourceLineNo">076</span>   * Gets set as desired target on move, merge, etc., when we want to go to a particular server.<a name="line.76"></a>
-<span class="sourceLineNo">077</span>   * We may not be able to respect this request but will try. When it is NOT set, then we ask<a name="line.77"></a>
-<span class="sourceLineNo">078</span>   * the balancer to assign. This value is used below in startTransition to set regionLocation if<a name="line.78"></a>
-<span class="sourceLineNo">079</span>   * non-null. Setting regionLocation in regionServerNode is how we override balancer setting<a name="line.79"></a>
-<span class="sourceLineNo">080</span>   * destination.<a name="line.80"></a>
-<span class="sourceLineNo">081</span>   */<a name="line.81"></a>
-<span class="sourceLineNo">082</span>  protected volatile ServerName targetServer;<a name="line.82"></a>
-<span class="sourceLineNo">083</span><a name="line.83"></a>
-<span class="sourceLineNo">084</span>  public AssignProcedure() {<a name="line.84"></a>
-<span class="sourceLineNo">085</span>    // Required by the Procedure framework to create the procedure on replay<a name="line.85"></a>
-<span class="sourceLineNo">086</span>    super();<a name="line.86"></a>
-<span class="sourceLineNo">087</span>  }<a name="line.87"></a>
-<span class="sourceLineNo">088</span><a name="line.88"></a>
-<span class="sourceLineNo">089</span>  public AssignProcedure(final HRegionInfo regionInfo) {<a name="line.89"></a>
-<span class="sourceLineNo">090</span>    this(regionInfo, false);<a name="line.90"></a>
-<span class="sourceLineNo">091</span>  }<a name="line.91"></a>
-<span class="sourceLineNo">092</span><a name="line.92"></a>
-<span class="sourceLineNo">093</span>  public AssignProcedure(final HRegionInfo regionInfo, final boolean forceNewPlan) {<a name="line.93"></a>
-<span class="sourceLineNo">094</span>    super(regionInfo);<a name="line.94"></a>
-<span class="sourceLineNo">095</span>    this.forceNewPlan = forceNewPlan;<a name="line.95"></a>
-<span class="sourceLineNo">096</span>    this.targetServer = null;<a name="line.96"></a>
-<span class="sourceLineNo">097</span>  }<a name="line.97"></a>
-<span class="sourceLineNo">098</span><a name="line.98"></a>
-<span class="sourceLineNo">099</span>  public AssignProcedure(final HRegionInfo regionInfo, final ServerName destinationServer) {<a name="line.99"></a>
-<span class="sourceLineNo">100</span>    super(regionInfo);<a name="line.100"></a>
-<span class="sourceLineNo">101</span>    this.forceNewPlan = false;<a name="line.101"></a>
-<span class="sourceLineNo">102</span>    this.targetServer = destinationServer;<a name="line.102"></a>
-<span class="sourceLineNo">103</span>  }<a name="line.103"></a>
-<span class="sourceLineNo">104</span><a name="line.104"></a>
-<span class="sourceLineNo">105</span>  @Override<a name="line.105"></a>
-<span class="sourceLineNo">106</span>  public TableOperationType getTableOperationType() {<a name="line.106"></a>
-<span class="sourceLineNo">107</span>    return TableOperationType.REGION_ASSIGN;<a name="line.107"></a>
-<span class="sourceLineNo">108</span>  }<a name="line.108"></a>
-<span class="sourceLineNo">109</span><a name="line.109"></a>
-<span class="sourceLineNo">110</span>  @Override<a name="line.110"></a>
-<span class="sourceLineNo">111</span>  protected boolean isRollbackSupported(final RegionTransitionState state) {<a name="line.111"></a>
-<span class="sourceLineNo">112</span>    switch (state) {<a name="line.112"></a>
-<span class="sourceLineNo">113</span>      case REGION_TRANSITION_QUEUE:<a name="line.113"></a>
-<span class="sourceLineNo">114</span>        return true;<a name="line.114"></a>
-<span class="sourceLineNo">115</span>      default:<a name="line.115"></a>
-<span class="sourceLineNo">116</span>        return false;<a name="line.116"></a>
-<span class="sourceLineNo">117</span>    }<a name="line.117"></a>
-<span class="sourceLineNo">118</span>  }<a name="line.118"></a>
-<span class="sourceLineNo">119</span><a name="line.119"></a>
-<span class="sourceLineNo">120</span>  @Override<a name="line.120"></a>
-<span class="sourceLineNo">121</span>  public void serializeStateData(final OutputStream stream) throws IOException {<a name="line.121"></a>
-<span class="sourceLineNo">122</span>    final AssignRegionStateData.Builder state = AssignRegionStateData.newBuilder()<a name="line.122"></a>
-<span class="sourceLineNo">123</span>        .setTransitionState(getTransitionState())<a name="line.123"></a>
-<span class="sourceLineNo">124</span>        .setRegionInfo(HRegionInfo.convert(getRegionInfo()));<a name="line.124"></a>
-<span class="sourceLineNo">125</span>    if (forceNewPlan) {<a name="line.125"></a>
-<span class="sourceLineNo">126</span>      state.setForceNewPlan(true);<a name="line.126"></a>
-<span class="sourceLineNo">127</span>    }<a name="line.127"></a>
-<span class="sourceLineNo">128</span>    if (this.targetServer != null) {<a name="line.128"></a>
-<span class="sourceLineNo">129</span>      state.setTargetServer(ProtobufUtil.toServerName(this.targetServer));<a name="line.129"></a>
+<span class="sourceLineNo">030</span>import org.apache.hadoop.hbase.TableName;<a name="line.30"></a>
+<span class="sourceLineNo">031</span>import org.apache.hadoop.hbase.classification.InterfaceAudience;<a name="line.31"></a>
+<span class="sourceLineNo">032</span>import org.apache.hadoop.hbase.client.RetriesExhaustedException;<a name="line.32"></a>
+<span class="sourceLineNo">033</span>import org.apache.hadoop.hbase.client.TableState;<a name="line.33"></a>
+<span class="sourceLineNo">034</span>import org.apache.hadoop.hbase.exceptions.UnexpectedStateException;<a name="line.34"></a>
+<span class="sourceLineNo">035</span>import org.apache.hadoop.hbase.master.RegionState.State;<a name="line.35"></a>
+<span class="sourceLineNo">036</span>import org.apache.hadoop.hbase.master.TableStateManager;<a name="line.36"></a>
+<span class="sourceLineNo">037</span>import org.apache.hadoop.hbase.master.assignment.RegionStates.RegionStateNode;<a name="line.37"></a>
+<span class="sourceLineNo">038</span>import org.apache.hadoop.hbase.master.procedure.MasterProcedureEnv;<a name="line.38"></a>
+<span class="sourceLineNo">039</span>import org.apache.hadoop.hbase.master.procedure.RSProcedureDispatcher.RegionOpenOperation;<a name="line.39"></a>
+<span class="sourceLineNo">040</span>import org.apache.hadoop.hbase.procedure2.ProcedureMetrics;<a name="line.40"></a>
+<span class="sourceLineNo">041</span>import org.apache.hadoop.hbase.procedure2.ProcedureSuspendedException;<a name="line.41"></a>
+<span class="sourceLineNo">042</span>import org.apache.hadoop.hbase.procedure2.RemoteProcedureDispatcher.RemoteOperation;<a name="line.42"></a>
+<span class="sourceLineNo">043</span>import org.apache.hadoop.hbase.shaded.protobuf.ProtobufUtil;<a name="line.43"></a>
+<span class="sourceLineNo">044</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProcedureProtos.AssignRegionStateData;<a name="line.44"></a>
+<span class="sourceLineNo">045</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProcedureProtos.RegionTransitionState;<a name="line.45"></a>
+<span class="sourceLineNo">046</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.RegionServerStatusProtos.RegionStateTransition.TransitionCode;<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> * Procedure that describe the assignment of a single region.<a name="line.49"></a>
+<span class="sourceLineNo">050</span> * There can only be one RegionTransitionProcedure per region running at a time<a name="line.50"></a>
+<span class="sourceLineNo">051</span> * since each procedure takes a lock on the region.<a name="line.51"></a>
+<span class="sourceLineNo">052</span> *<a name="line.52"></a>
+<span class="sourceLineNo">053</span> * &lt;p&gt;The Assign starts by pushing the "assign" operation to the AssignmentManager<a name="line.53"></a>
+<span class="sourceLineNo">054</span> * and then will go in a "waiting" state.<a name="line.54"></a>
+<span class="sourceLineNo">055</span> * The AM will batch the "assign" requests and ask the Balancer where to put<a name="line.55"></a>
+<span class="sourceLineNo">056</span> * the region (the various policies will be respected: retain, round-robin, random).<a name="line.56"></a>
+<span class="sourceLineNo">057</span> * Once the AM and the balancer have found a place for the region the procedure<a name="line.57"></a>
+<span class="sourceLineNo">058</span> * will be resumed and an "open region" request will be placed in the Remote Dispatcher<a name="line.58"></a>
+<span class="sourceLineNo">059</span> * queue, and the procedure once again will go in a "waiting state".<a name="line.59"></a>
+<span class="sourceLineNo">060</span> * The Remote Dispatcher will batch the various requests for that server and<a name="line.60"></a>
+<span class="sourceLineNo">061</span> * they will be sent to the RS for execution.<a name="line.61"></a>
+<span class="sourceLineNo">062</span> * The RS will complete the open operation by calling master.reportRegionStateTransition().<a name="line.62"></a>
+<span class="sourceLineNo">063</span> * The AM will intercept the transition report, and notify the procedure.<a name="line.63"></a>
+<span class="sourceLineNo">064</span> * The procedure will finish the assignment by publishing to new state on meta<a name="line.64"></a>
+<span class="sourceLineNo">065</span> * or it will retry the assignment.<a name="line.65"></a>
+<span class="sourceLineNo">066</span> *<a name="line.66"></a>
+<span class="sourceLineNo">067</span> * &lt;p&gt;This procedure does not rollback when beyond the first<a name="line.67"></a>
+<span class="sourceLineNo">068</span> * REGION_TRANSITION_QUEUE step; it will press on trying to assign in the face of<a name="line.68"></a>
+<span class="sourceLineNo">069</span> * failure. Should we ignore rollback calls to Assign/Unassign then? Or just<a name="line.69"></a>
+<span class="sourceLineNo">070</span> * remove rollback here?<a name="line.70"></a>
+<span class="sourceLineNo">071</span> */<a name="line.71"></a>
+<span class="sourceLineNo">072</span>@InterfaceAudience.Private<a name="line.72"></a>
+<span class="sourceLineNo">073</span>public class AssignProcedure extends RegionTransitionProcedure {<a name="line.73"></a>
+<span class="sourceLineNo">074</span>  private static final Log LOG = LogFactory.getLog(AssignProcedure.class);<a name="line.74"></a>
+<span class="sourceLineNo">075</span><a name="line.75"></a>
+<span class="sourceLineNo">076</span>  private boolean forceNewPlan = false;<a name="line.76"></a>
+<span class="sourceLineNo">077</span><a name="line.77"></a>
+<span class="sourceLineNo">078</span>  /**<a name="line.78"></a>
+<span class="sourceLineNo">079</span>   * Gets set as desired target on move, merge, etc., when we want to go to a particular server.<a name="line.79"></a>
+<span class="sourceLineNo">080</span>   * We may not be able to respect this request but will try. When it is NOT set, then we ask<a name="line.80"></a>
+<span class="sourceLineNo">081</span>   * the balancer to assign. This value is used below in startTransition to set regionLocation if<a name="line.81"></a>
+<span class="sourceLineNo">082</span>   * non-null. Setting regionLocation in regionServerNode is how we override balancer setting<a name="line.82"></a>
+<span class="sourceLineNo">083</span>   * destination.<a name="line.83"></a>
+<span class="sourceLineNo">084</span>   */<a name="line.84"></a>
+<span class="sourceLineNo">085</span>  protected volatile ServerName targetServer;<a name="line.85"></a>
+<span class="sourceLineNo">086</span><a name="line.86"></a>
+<span class="sourceLineNo">087</span>  public AssignProcedure() {<a name="line.87"></a>
+<span class="sourceLineNo">088</span>    // Required by the Procedure framework to create the procedure on replay<a name="line.88"></a>
+<span class="sourceLineNo">089</span>    super();<a name="line.89"></a>
+<span class="sourceLineNo">090</span>  }<a name="line.90"></a>
+<span class="sourceLineNo">091</span><a name="line.91"></a>
+<span class="sourceLineNo">092</span>  public AssignProcedure(final HRegionInfo regionInfo) {<a name="line.92"></a>
+<span class="sourceLineNo">093</span>    this(regionInfo, false);<a name="line.93"></a>
+<span class="sourceLineNo">094</span>  }<a name="line.94"></a>
+<span class="sourceLineNo">095</span><a name="line.95"></a>
+<span class="sourceLineNo">096</span>  public AssignProcedure(final HRegionInfo regionInfo, final boolean forceNewPlan) {<a name="line.96"></a>
+<span class="sourceLineNo">097</span>    super(regionInfo);<a name="line.97"></a>
+<span class="sourceLineNo">098</span>    this.forceNewPlan = forceNewPlan;<a name="line.98"></a>
+<span class="sourceLineNo">099</span>    this.targetServer = null;<a name="line.99"></a>
+<span class="sourceLineNo">100</span>  }<a name="line.100"></a>
+<span class="sourceLineNo">101</span><a name="line.101"></a>
+<span class="sourceLineNo">102</span>  public AssignProcedure(final HRegionInfo regionInfo, final ServerName destinationServer) {<a name="line.102"></a>
+<span class="sourceLineNo">103</span>    super(regionInfo);<a name="line.103"></a>
+<span class="sourceLineNo">104</span>    this.forceNewPlan = false;<a name="line.104"></a>
+<span class="sourceLineNo">105</span>    this.targetServer = destinationServer;<a name="line.105"></a>
+<span class="sourceLineNo">106</span>  }<a name="line.106"></a>
+<span class="sourceLineNo">107</span><a name="line.107"></a>
+<span class="sourceLineNo">108</span>  @Override<a name="line.108"></a>
+<span class="sourceLineNo">109</span>  public TableOperationType getTableOperationType() {<a name="line.109"></a>
+<span class="sourceLineNo">110</span>    return TableOperationType.REGION_ASSIGN;<a name="line.110"></a>
+<span class="sourceLineNo">111</span>  }<a name="line.111"></a>
+<span class="sourceLineNo">112</span><a name="line.112"></a>
+<span class="sourceLineNo">113</span>  @Override<a name="line.113"></a>
+<span class="sourceLineNo">114</span>  protected boolean isRollbackSupported(final RegionTransitionState state) {<a name="line.114"></a>
+<span class="sourceLineNo">115</span>    switch (state) {<a name="line.115"></a>
+<span class="sourceLineNo">116</span>      case REGION_TRANSITION_QUEUE:<a name="line.116"></a>
+<span class="sourceLineNo">117</span>        return true;<a name="line.117"></a>
+<span class="sourceLineNo">118</span>      default:<a name="line.118"></a>
+<span class="sourceLineNo">119</span>        return false;<a name="line.119"></a>
+<span class="sourceLineNo">120</span>    }<a name="line.120"></a>
+<span class="sourceLineNo">121</span>  }<a name="line.121"></a>
+<span class="sourceLineNo">122</span><a name="line.122"></a>
+<span class="sourceLineNo">123</span>  @Override<a name="line.123"></a>
+<span class="sourceLineNo">124</span>  public void serializeStateData(final OutputStream stream) throws IOException {<a name="line.124"></a>
+<span class="sourceLineNo">125</span>    final AssignRegionStateData.Builder state = AssignRegionStateData.newBuilder()<a name="line.125"></a>
+<span class="sourceLineNo">126</span>        .setTransitionState(getTransitionState())<a name="line.126"></a>
+<span class="sourceLineNo">127</span>        .setRegionInfo(HRegionInfo.convert(getRegionInfo()));<a name="line.127"></a>
+<span class="sourceLineNo">128</span>    if (forceNewPlan) {<a name="line.128"></a>
+<span class="sourceLineNo">129</span>      state.setForceNewPlan(true);<a name="line.129"></a>
 <span class="sourceLineNo">130</span>    }<a name="line.130"></a>
-<span class="sourceLineNo">131</span>    state.build().writeDelimitedTo(stream);<a name="line.131"></a>
-<span class="sourceLineNo">132</span>  }<a name="line.132"></a>
-<span class="sourceLineNo">133</span><a name="line.133"></a>
-<span class="sourceLineNo">134</span>  @Override<a name="line.134"></a>
-<span class="sourceLineNo">135</span>  public void deserializeStateData(final InputStream stream) throws IOException {<a name="line.135"></a>
-<span class="sourceLineNo">136</span>    final AssignRegionStateData state = AssignRegionStateData.parseDelimitedFrom(stream);<a name="line.136"></a>
-<span class="sourceLineNo">137</span>    setTransitionState(state.getTransitionState());<a name="line.137"></a>
-<span class="sourceLineNo">138</span>    setRegionInfo(HRegionInfo.convert(state.getRegionInfo()));<a name="line.138"></a>
-<span class="sourceLineNo">139</span>    forceNewPlan = state.getForceNewPlan();<a name="line.139"></a>
-<span class="sourceLineNo">140</span>    if (state.hasTargetServer()) {<a name="line.140"></a>
-<span class="sourceLineNo">141</span>      this.targetServer = ProtobufUtil.toServerName(state.getTargetServer());<a name="line.141"></a>
-<span class="sourceLineNo">142</span>    }<a name="line.142"></a>
-<span class="sourceLineNo">143</span>  }<a name="line.143"></a>
-<span class="sourceLineNo">144</span><a name="line.144"></a>
-<span class="sourceLineNo">145</span>  @Override<a name="line.145"></a>
-<span class="sourceLineNo">146</span>  protected boolean startTransition(final MasterProcedureEnv env, final RegionStateNode regionNode)<a name="line.146"></a>
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-<span class="sourceLineNo">264</span>          throw new UnexpectedStateException("Received report unexpected " + code +<a name="line.264"></a>
-<span class="sourceLineNo">265</span>              " transition openSeqNum=" + openSeqNum + ", " + regionNode);<a name="line.265"></a>
-<span class="sourceLineNo">266</span>        }<a name="line.266"></a>
-<span class="sourceLineNo">267</span>        if (openSeqNum &lt; regionNode.getOpenSeqNum()) {<a name="line.267"></a>
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-<span class="sourceLineNo">269</span>              " because current seqnum=" + regionNode.getOpenSeqNum());<a name="line.269"></a>
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-<span class="sourceLineNo">271</span>        regionNode.setOpenSeqNum(openSeqNum);<a name="line.271"></a>
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-<span class="sourceLineNo">282</span>            " transition openSeqNum=" + openSeqNum + ", " + regionNode.toShortString() +<a name="line.282"></a>
-<span class="sourceLineNo">283</span>            ", " + this + ", expected OPENED or FAILED_OPEN.");<a name="line.283"></a>
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-<span class="sourceLineNo">290</span>   * generally OPENING. Cleanup and reset to OFFLINE and put our Procedure<a name="line.290"></a>
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-<span class="sourceLineNo">312</span>        this + "; " + regionNode.toShortString());<a name="line.312"></a>
-<span class="sourceLineNo">313</span>    return retries &gt;= max;<a name="line.313"></a>
+<span class="sourceLineNo">243</span>    // TODO: Requires a migration to be open by the RS?<a name="line.243"></a>
+<span class="sourceLineNo">244</span>    // regionNode.getFormatVersion()<a name="line.244"></a>
+<span class="sourceLineNo">245</span><a name="line.245"></a>
+<span class="sourceLineNo">246</span>    if (!addToRemoteDispatcher(env, regionNode.getRegionLocation())) {<a name="line.246"></a>
+<span class="sourceLineNo">247</span>      // Failed the dispatch BUT addToRemoteDispatcher internally does<a name="line.247"></a>
+<span class="sourceLineNo">248</span>      // cleanup on failure -- even the undoing of markRegionAsOpening above --<a name="line.248"></a>
+<span class="sourceLineNo">249</span>      // so nothing more to do here; in fact we need to get out of here<a name="line.249"></a>
+<span class="sourceLineNo">250</span>      // fast since we've been put back on the scheduler.<a name="line.250"></a>
+<span class="sourceLineNo">251</span>    }<a name="line.251"></a>
+<span class="sourceLineNo">252</span><a name="line.252"></a>
+<span class="sourceLineNo">253</span>    // We always return true, even if we fail dispatch because addToRemoteDispatcher<a name="line.253"></a>
+<span class="sourceLineNo">254</span>    // failure processing sets state back to REGION_TRANSITION_QUEUE so we try again;<a name="line.254"></a>
+<span class="sourceLineNo">255</span>    // i.e. return true to keep the Procedure running; it has been reset to startover.<a name="line.255"></a>
+<span class="sourceLineNo">256</span>    return true;<a name="line.256"></a>
+<span class="sourceLineNo">257</span>  }<a name="line.257"></a>
+<span class="sourceLineNo">258</span><a name="line.258"></a>
+<span class="sourceLineNo">259</span>  @Override<a name="line.259"></a>
+<span class="sourceLineNo">260</span>  protected void finishTransition(final MasterProcedureEnv env, final RegionStateNode regionNode)<a name="line.260"></a>
+<span class="sourceLineNo">261</span>      throws IOException {<a name="line.261"></a>
+<span class="sourceLineNo">262</span>    env.getAssignmentManager().markRegionAsOpened(regionNode);<a name="line.262"></a>
+<span class="sourceLineNo">263</span>    // This success may have been after we failed open a few times. Be sure to cleanup any<a name="line.263"></a>
+<span class="sourceLineNo">264</span>    // failed open references. See #incrementAndCheckMaxAttempts and where it is called.<a name="line.264"></a>
+<span class="sourceLineNo">265</span>    env.getAssignmentManager().getRegionStates().removeFromFailedOpen(regionNode.getRegionInfo());<a name="line.265"></a>
+<span class="sourceLineNo">266</span>  }<a name="line.266"></a>
+<span class="sourceLineNo">267</span><a name="line.267"></a>
+<span class="sourceLineNo">268</span>  @Override<a name="line.268"></a>
+<span class="sourceLineNo">269</span>  protected void reportTransition(final MasterProcedureEnv env, final RegionStateNode regionNode,<a name="line.269"></a>
+<span class="sourceLineNo">270</span>      final TransitionCode code, final long openSeqNum) throws UnexpectedStateException {<a name="line.270"></a>
+<span class="sourceLineNo">271</span>    switch (code) {<a name="line.271"></a>
+<span class="sourceLineNo">272</span>      case OPENED:<a name="line.272"></a>
+<span class="sourceLineNo">273</span>        if (openSeqNum &lt; 0) {<a name="line.273"></a>
+<span class="sourceLineNo">274</span>          throw new UnexpectedStateException("Received report unexpected " + code +<a name="line.274"></a>
+<span class="sourceLineNo">275</span>              " transition openSeqNum=" + openSeqNum + ", " + regionNode);<a name="line.275"></a>
+<span class="sourceLineNo">276</span>        }<a name="line.276"></a>
+<span class="sourceLineNo">277</span>        if (openSeqNum &lt; regionNode.getOpenSeqNum()) {<a name="line.277"></a>
+<span class="sourceLineNo">278</span>          LOG.warn("Skipping update of open seqnum with " + openSeqNum +<a name="line.278"></a>
+<span class="sourceLineNo">279</span>              " because current seqnum=" + regionNode.getOpenSeqNum());<a name="line.279"></a>
+<span class="sourceLineNo">280</span>        }<a name="line.280"></a>
+<span class="sourceLineNo">281</span>        regionNode.setOpenSeqNum(openSeqNum);<a name="line.281"></a>
+<span class="sourceLineNo">282</span>        // Leave the state here as OPENING for now. We set it to OPEN in<a name="line.282"></a>
+<span class="sourceLineNo">283</span>        // REGION_TRANSITION_FINISH section where we do a bunch of checks.<a name="line.283"></a>
+<span class="sourceLineNo">284</span>        // regionNode.setState(RegionState.State.OPEN, RegionState.State.OPENING);<a name="line.284"></a>
+<span class="sourceLineNo">285</span>        setTransitionState(RegionTransitionState.REGION_TRANSITION_FINISH);<a name="line.285"></a>
+<span class="sourceLineNo">286</span>        break;<a name="line.286"></a>
+<span class="sourceLineNo">287</span>      case FAILED_OPEN:<a name="line.287"></a>
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+<span class="sourceLineNo">290</span>      default:<a name="line.290"></a>
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+<span class="sourceLineNo">292</span>            " transition openSeqNum=" + openSeqNum + ", " + regionNode.toShortString() +<a name="line.292"></a>
+<span class="sourceLineNo">293</span>            ", " + this + ", expected OPENED or FAILED_OPEN.");<a name="line.293"></a>
+<span class="sourceLineNo">294</span>    }<a name="line.294"></a>
+<span class="sourceLineNo">295</span>  }<a name="line.295"></a>
+<span class="sourceLineNo">296</span><a name="line.296"></a>
+<span class="sourceLineNo">297</span>  /**<a name="line.297"></a>
+<span class="sourceLineNo">298</span>   * Called when dispatch or subsequent OPEN request fail. Can be run by the<a name="line.298"></a>
+<span class="sourceLineNo">299</span>   * inline dispatch call or later by the ServerCrashProcedure. Our state is<a name="line.299"></a>
+<span class="sourceLineNo">300</span>   * generally OPENING. Cleanup and reset to OFFLINE and put our Procedure<a name="line.300"></a>
+<span class="sourceLineNo">301</span>   * State back to REGION_TRANSITION_QUEUE so the Assign starts over.<a name="line.301"></a>
+<span class="sourceLineNo">302</span>   */<a name="line.302"></a>
+<span class="sourceLineNo">303</span>  private void handleFailure(final MasterProcedureEnv env, final RegionStateNode regionNode) {<a name="line.303"></a>
+<span class="sourceLineNo">304</span>    if (incrementAndCheckMaxAttempts(env, regionNode)) {<a name="line.304"></a>
+<span class="sourceLineNo">305</span>      aborted.set(true);<a name="line.305"></a>
+<span class="sourceLineNo">306</span>    }<a name="line.306"></a>
+<span class="sourceLineNo">307</span>    this.forceNewPlan = true;<a name="line.307"></a>
+<span class="sourceLineNo">308</span>    this.targetServer = null;<a name="line.308"></a>
+<span class="sourceLineNo">309</span>    regionNode.offline();<a name="line.309"></a>
+<span class="sourceLineNo">310</span>    // We were moved to OPENING state before dispatch. Undo. It is safe to call<a name="line.310"></a>
+<span class="sourceLineNo">311</span>    // this method because it checks for OPENING first.<a name="line.311"></a>
+<span class="sourceLineNo">312</span>    env.getAssignmentManager().undoRegionAsOpening(regionNode);<a name="line.312"></a>
+<span class="sourceLineNo">313</span>    setTransitionState(RegionTransitionState.REGION_TRANSITION_QUEUE);<a name="line.313"></a>
 <span class="sourceLineNo">314</span>  }<a name="line.314"></a>
 <span class="sourceLineNo">315</span><a name="line.315"></a>
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-<span class="sourceLineNo">328</span><a name="line.328"></a>
-<span class="sourceLineNo">329</span>  @Override<a name="line.329"></a>
-<span class="sourceLineNo">330</span>  public void toStringClassDetails(StringBuilder sb) {<a name="line.330"></a>
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-<span class="sourceLineNo">346</span>  }<a name="line.346"></a>
-<span class="sourceLineNo">347</span>}<a name="line.347"></a>
+<span class="sourceLineNo">316</span>  private boolean incrementAndCheckMaxAttempts(final MasterProcedureEnv env,<a name="line.316"></a>
+<span class="sourceLineNo">317</span>      final RegionStateNode regionNode) {<a name="line.317"></a>
+<span class="sourceLineNo">318</span>    final int retries = env.getAssignmentManager().getRegionStates().<a name="line.318"></a>
+<span class="sourceLineNo">319</span>        addToFailedOpen(regionNode).incrementAndGetRetries();<a name="line.319"></a>
+<span class="sourceLineNo">320</span>    int max = env.getAssignmentManager().getAssignMaxAttempts();<a name="line.320"></a>
+<span class="sourceLineNo">321</span>    LOG.info("Retry=" + retries + " of max=" + max + "; " +<a name="line.321"></a>
+<span class="sourceLineNo">322</span>        this + "; " + regionNode.toShortString());<a name="line.322"></a>
+<span class="sourceLineNo">323</span>    return retries &gt;= max;<a name="line.323"></a>
+<span class="sourceLineNo">324</span>  }<a name="line.324"></a>
+<span class="sourceLineNo">325</span><a name="line.325"></a>
+<span class="sourceLineNo">326</span>  @Override<a name="line.326"></a>
+<span class="sourceLineNo">327</span>  public RemoteOperation remoteCallBuild(final MasterProcedureEnv env, final ServerName serverName) {<a name="line.327"></a>
+<span class="sourceLineNo">328</span>    assert serverName.equals(getRegionState(env).getRegionLocation());<a name="line.328"></a>
+<span class="sourceLineNo">329</span>    return new RegionOpenOperation(this, getRegionInfo(),<a name="line.329"></a>
+<span class="sourceLineNo">330</span>        env.getAssignmentManager().getFavoredNodes(getRegionInfo()), false);<a name="line.330"></a>
+<span class="sourceLineNo">331</span>  }<a name="line.331"></a>
+<span class="sourceLineNo">332</span><a name="line.332"></a>
+<span class="sourceLineNo">333</span>  @Override<a name="line.333"></a>
+<span class="sourceLineNo">334</span>  protected boolean remoteCallFailed(final MasterProcedureEnv env, final RegionStateNode regionNode,<a name="line.334"></a>
+<span class="sourceLineNo">335</span>      final IOException exception) {<a name="line.335"></a>
+<span class="sourceLineNo">336</span>    handleFailure(env, regionNode);<a name="line.336"></a>
+<span class="sourceLineNo">337</span>    return true;<a name="line.337"></a>
+<span class="sourceLineNo">338</span>  }<a name="line.338"></a>
+<span class="sourceLineNo">339</span><a name="line.339"></a>
+<span class="sourceLineNo">340</span>  @Override<a name="line.340"></a>
+<span class="sourceLineNo">341</span>  public void toStringClassDetails(StringBuilder sb) {<a name="line.341"></a>
+<span class="sourceLineNo">342</span>    super.toStringClassDetails(sb);<a name="line.342"></a>
+<span class="sourceLineNo">343</span>    if (this.targetServer != null) sb.append(", target=").append(this.targetServer);<a name="line.343"></a>
+<span class="sourceLineNo">344</span>  }<a name="line.344"></a>
+<span class="sourceLineNo">345</span><a name="line.345"></a>
+<span class="sourceLineNo">346</span>  @Override<a name="line.346"></a>
+<span class="sourceLineNo">347</span>  public ServerName getServer(final MasterProcedureEnv env) {<a name="line.347"></a>
+<span class="sourceLineNo">348</span>    RegionStateNode node =<a name="line.348"></a>
+<span class="sourceLineNo">349</span>        env.getAssignmentManager().getRegionStates().getRegionNode(this.getRegionInfo());<a name="line.349"></a>
+<span class="sourceLineNo">350</span>    if (node == null) return null;<a name="line.350"></a>
+<span class="sourceLineNo">351</span>    return node.getRegionLocation();<a name="line.351"></a>
+<span class="sourceLineNo">352</span>  }<a name="line.352"></a>
+<span class="sourceLineNo">353</span><a name="line.353"></a>
+<span class="sourceLineNo">354</span>  @Override<a name="line.354"></a>
+<span class="sourceLineNo">355</span>  protected ProcedureMetrics getProcedureMetrics(MasterProcedureEnv env) {<a name="line.355"></a>
+<span class="sourceLineNo">356</span>    return env.getAssignmentManager().getAssignmentManagerMetrics().getAssignProcMetrics();<a name="line.356"></a>
+<span class="sourceLineNo">357</span>  }<a name="line.357"></a>
+<span class="sourceLineNo">358</span>}<a name="line.358"></a>
 
 
 


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