http://git-wip-us.apache.org/repos/asf/hbase-site/blob/21766f4a/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 0865b8f..596b800 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 @@ -30,1795 +30,1790 @@ <span class="sourceLineNo">022</span>import java.util.ArrayList;<a name="line.22"></a> <span class="sourceLineNo">023</span>import java.util.Collection;<a name="line.23"></a> <span class="sourceLineNo">024</span>import java.util.Collections;<a name="line.24"></a> -<span class="sourceLineNo">025</span>import java.util.Comparator;<a name="line.25"></a> -<span class="sourceLineNo">026</span>import java.util.HashMap;<a name="line.26"></a> -<span class="sourceLineNo">027</span>import java.util.HashSet;<a name="line.27"></a> -<span class="sourceLineNo">028</span>import java.util.List;<a name="line.28"></a> -<span class="sourceLineNo">029</span>import java.util.Map;<a name="line.29"></a> -<span class="sourceLineNo">030</span>import java.util.Set;<a name="line.30"></a> -<span class="sourceLineNo">031</span>import java.util.concurrent.CopyOnWriteArrayList;<a name="line.31"></a> -<span class="sourceLineNo">032</span>import java.util.concurrent.Future;<a name="line.32"></a> -<span class="sourceLineNo">033</span>import java.util.concurrent.TimeUnit;<a name="line.33"></a> -<span class="sourceLineNo">034</span>import java.util.concurrent.atomic.AtomicBoolean;<a name="line.34"></a> -<span class="sourceLineNo">035</span>import java.util.concurrent.locks.Condition;<a name="line.35"></a> -<span class="sourceLineNo">036</span>import java.util.concurrent.locks.ReentrantLock;<a name="line.36"></a> -<span class="sourceLineNo">037</span>import java.util.stream.Collectors;<a name="line.37"></a> -<span class="sourceLineNo">038</span><a name="line.38"></a> -<span class="sourceLineNo">039</span>import org.apache.commons.logging.Log;<a name="line.39"></a> -<span class="sourceLineNo">040</span>import org.apache.commons.logging.LogFactory;<a name="line.40"></a> -<span class="sourceLineNo">041</span>import org.apache.hadoop.conf.Configuration;<a name="line.41"></a> -<span class="sourceLineNo">042</span>import org.apache.hadoop.hbase.HBaseIOException;<a name="line.42"></a> -<span class="sourceLineNo">043</span>import org.apache.hadoop.hbase.HConstants;<a name="line.43"></a> -<span class="sourceLineNo">044</span>import org.apache.hadoop.hbase.HRegionInfo;<a name="line.44"></a> -<span class="sourceLineNo">045</span>import org.apache.hadoop.hbase.PleaseHoldException;<a name="line.45"></a> -<span class="sourceLineNo">046</span>import org.apache.hadoop.hbase.RegionException;<a name="line.46"></a> -<span class="sourceLineNo">047</span>import org.apache.hadoop.hbase.RegionStateListener;<a name="line.47"></a> -<span class="sourceLineNo">048</span>import org.apache.hadoop.hbase.ServerName;<a name="line.48"></a> -<span class="sourceLineNo">049</span>import org.apache.hadoop.hbase.TableName;<a name="line.49"></a> -<span class="sourceLineNo">050</span>import org.apache.hadoop.hbase.classification.InterfaceAudience;<a name="line.50"></a> -<span class="sourceLineNo">051</span>import org.apache.hadoop.hbase.client.TableState;<a name="line.51"></a> -<span class="sourceLineNo">052</span>import org.apache.hadoop.hbase.exceptions.UnexpectedStateException;<a name="line.52"></a> -<span class="sourceLineNo">053</span>import org.apache.hadoop.hbase.master.balancer.FavoredStochasticBalancer;<a name="line.53"></a> -<span class="sourceLineNo">054</span>import org.apache.hadoop.hbase.favored.FavoredNodesManager;<a name="line.54"></a> -<span class="sourceLineNo">055</span>import org.apache.hadoop.hbase.favored.FavoredNodesPromoter;<a name="line.55"></a> -<span class="sourceLineNo">056</span>import org.apache.hadoop.hbase.master.AssignmentListener;<a name="line.56"></a> -<span class="sourceLineNo">057</span>import org.apache.hadoop.hbase.master.LoadBalancer;<a name="line.57"></a> -<span class="sourceLineNo">058</span>import org.apache.hadoop.hbase.master.MasterServices;<a name="line.58"></a> -<span class="sourceLineNo">059</span>import org.apache.hadoop.hbase.master.MetricsAssignmentManager;<a name="line.59"></a> -<span class="sourceLineNo">060</span>import org.apache.hadoop.hbase.master.NoSuchProcedureException;<a name="line.60"></a> -<span class="sourceLineNo">061</span>import org.apache.hadoop.hbase.master.RegionPlan;<a name="line.61"></a> -<span class="sourceLineNo">062</span>import org.apache.hadoop.hbase.master.RegionState;<a name="line.62"></a> -<span class="sourceLineNo">063</span>import org.apache.hadoop.hbase.master.RegionState.State;<a name="line.63"></a> -<span class="sourceLineNo">064</span>import org.apache.hadoop.hbase.master.ServerListener;<a name="line.64"></a> -<span class="sourceLineNo">065</span>import org.apache.hadoop.hbase.master.TableStateManager;<a name="line.65"></a> -<span class="sourceLineNo">066</span>import org.apache.hadoop.hbase.master.assignment.RegionStates.RegionStateNode;<a name="line.66"></a> -<span class="sourceLineNo">067</span>import org.apache.hadoop.hbase.master.assignment.RegionStates.ServerState;<a name="line.67"></a> -<span class="sourceLineNo">068</span>import org.apache.hadoop.hbase.master.assignment.RegionStates.ServerStateNode;<a name="line.68"></a> -<span class="sourceLineNo">069</span>// TODO: why are they here?<a name="line.69"></a> -<span class="sourceLineNo">070</span>import org.apache.hadoop.hbase.master.normalizer.NormalizationPlan.PlanType;<a name="line.70"></a> -<span class="sourceLineNo">071</span>import org.apache.hadoop.hbase.master.normalizer.RegionNormalizer;<a name="line.71"></a> -<span class="sourceLineNo">072</span>import org.apache.hadoop.hbase.master.procedure.MasterProcedureEnv;<a name="line.72"></a> -<span class="sourceLineNo">073</span>import org.apache.hadoop.hbase.master.procedure.MasterProcedureScheduler;<a name="line.73"></a> -<span class="sourceLineNo">074</span>import org.apache.hadoop.hbase.master.procedure.ProcedureSyncWait;<a name="line.74"></a> -<span class="sourceLineNo">075</span>import org.apache.hadoop.hbase.master.procedure.ServerCrashProcedure;<a name="line.75"></a> -<span class="sourceLineNo">076</span>import org.apache.hadoop.hbase.procedure2.Procedure;<a name="line.76"></a> -<span class="sourceLineNo">077</span>import org.apache.hadoop.hbase.procedure2.ProcedureEvent;<a name="line.77"></a> -<span class="sourceLineNo">078</span>import org.apache.hadoop.hbase.procedure2.ProcedureExecutor;<a name="line.78"></a> -<span class="sourceLineNo">079</span>import org.apache.hadoop.hbase.procedure2.ProcedureInMemoryChore;<a name="line.79"></a> -<span class="sourceLineNo">080</span>import org.apache.hadoop.hbase.procedure2.util.StringUtils;<a name="line.80"></a> -<span class="sourceLineNo">081</span>import org.apache.hadoop.hbase.quotas.QuotaExceededException;<a name="line.81"></a> -<span class="sourceLineNo">082</span>import org.apache.hadoop.hbase.shaded.protobuf.ProtobufUtil;<a name="line.82"></a> -<span class="sourceLineNo">083</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.RegionServerStatusProtos.RegionStateTransition;<a name="line.83"></a> -<span class="sourceLineNo">084</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.RegionServerStatusProtos.RegionStateTransition.TransitionCode;<a name="line.84"></a> -<span class="sourceLineNo">085</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.RegionServerStatusProtos.ReportRegionStateTransitionRequest;<a name="line.85"></a> -<span class="sourceLineNo">086</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.RegionServerStatusProtos.ReportRegionStateTransitionResponse;<a name="line.86"></a> -<span class="sourceLineNo">087</span>import org.apache.hadoop.hbase.util.Bytes;<a name="line.87"></a> -<span class="sourceLineNo">088</span>import org.apache.hadoop.hbase.util.EnvironmentEdgeManager;<a name="line.88"></a> -<span class="sourceLineNo">089</span>import org.apache.hadoop.hbase.util.Pair;<a name="line.89"></a> -<span class="sourceLineNo">090</span>import org.apache.hadoop.hbase.util.Threads;<a name="line.90"></a> -<span class="sourceLineNo">091</span>import org.apache.hadoop.hbase.util.VersionInfo;<a name="line.91"></a> +<span class="sourceLineNo">025</span>import java.util.HashMap;<a name="line.25"></a> +<span class="sourceLineNo">026</span>import java.util.HashSet;<a name="line.26"></a> +<span class="sourceLineNo">027</span>import java.util.List;<a name="line.27"></a> +<span class="sourceLineNo">028</span>import java.util.Map;<a name="line.28"></a> +<span class="sourceLineNo">029</span>import java.util.Set;<a name="line.29"></a> +<span class="sourceLineNo">030</span>import java.util.concurrent.CopyOnWriteArrayList;<a name="line.30"></a> +<span class="sourceLineNo">031</span>import java.util.concurrent.Future;<a name="line.31"></a> +<span class="sourceLineNo">032</span>import java.util.concurrent.TimeUnit;<a name="line.32"></a> +<span class="sourceLineNo">033</span>import java.util.concurrent.atomic.AtomicBoolean;<a name="line.33"></a> +<span class="sourceLineNo">034</span>import java.util.concurrent.locks.Condition;<a name="line.34"></a> +<span class="sourceLineNo">035</span>import java.util.concurrent.locks.ReentrantLock;<a name="line.35"></a> +<span class="sourceLineNo">036</span>import java.util.stream.Collectors;<a name="line.36"></a> +<span class="sourceLineNo">037</span><a name="line.37"></a> +<span class="sourceLineNo">038</span>import org.apache.commons.logging.Log;<a name="line.38"></a> +<span class="sourceLineNo">039</span>import org.apache.commons.logging.LogFactory;<a name="line.39"></a> +<span class="sourceLineNo">040</span>import org.apache.hadoop.conf.Configuration;<a name="line.40"></a> +<span class="sourceLineNo">041</span>import org.apache.hadoop.hbase.HBaseIOException;<a name="line.41"></a> +<span class="sourceLineNo">042</span>import org.apache.hadoop.hbase.HConstants;<a name="line.42"></a> +<span class="sourceLineNo">043</span>import org.apache.hadoop.hbase.HRegionInfo;<a name="line.43"></a> +<span class="sourceLineNo">044</span>import org.apache.hadoop.hbase.PleaseHoldException;<a name="line.44"></a> +<span class="sourceLineNo">045</span>import org.apache.hadoop.hbase.RegionException;<a name="line.45"></a> +<span class="sourceLineNo">046</span>import org.apache.hadoop.hbase.RegionStateListener;<a name="line.46"></a> +<span class="sourceLineNo">047</span>import org.apache.hadoop.hbase.ServerName;<a name="line.47"></a> +<span class="sourceLineNo">048</span>import org.apache.hadoop.hbase.TableName;<a name="line.48"></a> +<span class="sourceLineNo">049</span>import org.apache.hadoop.hbase.classification.InterfaceAudience;<a name="line.49"></a> +<span class="sourceLineNo">050</span>import org.apache.hadoop.hbase.client.TableState;<a name="line.50"></a> +<span class="sourceLineNo">051</span>import org.apache.hadoop.hbase.exceptions.UnexpectedStateException;<a name="line.51"></a> +<span class="sourceLineNo">052</span>import org.apache.hadoop.hbase.master.balancer.FavoredStochasticBalancer;<a name="line.52"></a> +<span class="sourceLineNo">053</span>import org.apache.hadoop.hbase.favored.FavoredNodesManager;<a name="line.53"></a> +<span class="sourceLineNo">054</span>import org.apache.hadoop.hbase.favored.FavoredNodesPromoter;<a name="line.54"></a> +<span class="sourceLineNo">055</span>import org.apache.hadoop.hbase.master.AssignmentListener;<a name="line.55"></a> +<span class="sourceLineNo">056</span>import org.apache.hadoop.hbase.master.LoadBalancer;<a name="line.56"></a> +<span class="sourceLineNo">057</span>import org.apache.hadoop.hbase.master.MasterServices;<a name="line.57"></a> +<span class="sourceLineNo">058</span>import org.apache.hadoop.hbase.master.MetricsAssignmentManager;<a name="line.58"></a> +<span class="sourceLineNo">059</span>import org.apache.hadoop.hbase.master.NoSuchProcedureException;<a name="line.59"></a> +<span class="sourceLineNo">060</span>import org.apache.hadoop.hbase.master.RegionPlan;<a name="line.60"></a> +<span class="sourceLineNo">061</span>import org.apache.hadoop.hbase.master.RegionState;<a name="line.61"></a> +<span class="sourceLineNo">062</span>import org.apache.hadoop.hbase.master.RegionState.State;<a name="line.62"></a> +<span class="sourceLineNo">063</span>import org.apache.hadoop.hbase.master.ServerListener;<a name="line.63"></a> +<span class="sourceLineNo">064</span>import org.apache.hadoop.hbase.master.TableStateManager;<a name="line.64"></a> +<span class="sourceLineNo">065</span>import org.apache.hadoop.hbase.master.assignment.RegionStates.RegionStateNode;<a name="line.65"></a> +<span class="sourceLineNo">066</span>import org.apache.hadoop.hbase.master.assignment.RegionStates.ServerState;<a name="line.66"></a> +<span class="sourceLineNo">067</span>import org.apache.hadoop.hbase.master.assignment.RegionStates.ServerStateNode;<a name="line.67"></a> +<span class="sourceLineNo">068</span>// TODO: why are they here?<a name="line.68"></a> +<span class="sourceLineNo">069</span>import org.apache.hadoop.hbase.master.normalizer.RegionNormalizer;<a name="line.69"></a> +<span class="sourceLineNo">070</span>import org.apache.hadoop.hbase.master.procedure.MasterProcedureEnv;<a name="line.70"></a> +<span class="sourceLineNo">071</span>import org.apache.hadoop.hbase.master.procedure.MasterProcedureScheduler;<a name="line.71"></a> +<span class="sourceLineNo">072</span>import org.apache.hadoop.hbase.master.procedure.ProcedureSyncWait;<a name="line.72"></a> +<span class="sourceLineNo">073</span>import org.apache.hadoop.hbase.master.procedure.ServerCrashProcedure;<a name="line.73"></a> +<span class="sourceLineNo">074</span>import org.apache.hadoop.hbase.procedure2.Procedure;<a name="line.74"></a> +<span class="sourceLineNo">075</span>import org.apache.hadoop.hbase.procedure2.ProcedureEvent;<a name="line.75"></a> +<span class="sourceLineNo">076</span>import org.apache.hadoop.hbase.procedure2.ProcedureExecutor;<a name="line.76"></a> +<span class="sourceLineNo">077</span>import org.apache.hadoop.hbase.procedure2.ProcedureInMemoryChore;<a name="line.77"></a> +<span class="sourceLineNo">078</span>import org.apache.hadoop.hbase.procedure2.util.StringUtils;<a name="line.78"></a> +<span class="sourceLineNo">079</span>import org.apache.hadoop.hbase.shaded.protobuf.ProtobufUtil;<a name="line.79"></a> +<span class="sourceLineNo">080</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.RegionServerStatusProtos.RegionStateTransition;<a name="line.80"></a> +<span class="sourceLineNo">081</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.RegionServerStatusProtos.RegionStateTransition.TransitionCode;<a name="line.81"></a> +<span class="sourceLineNo">082</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.RegionServerStatusProtos.ReportRegionStateTransitionRequest;<a name="line.82"></a> +<span class="sourceLineNo">083</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.RegionServerStatusProtos.ReportRegionStateTransitionResponse;<a name="line.83"></a> +<span class="sourceLineNo">084</span>import org.apache.hadoop.hbase.util.Bytes;<a name="line.84"></a> +<span class="sourceLineNo">085</span>import org.apache.hadoop.hbase.util.EnvironmentEdgeManager;<a name="line.85"></a> +<span class="sourceLineNo">086</span>import org.apache.hadoop.hbase.util.Pair;<a name="line.86"></a> +<span class="sourceLineNo">087</span>import org.apache.hadoop.hbase.util.Threads;<a name="line.87"></a> +<span class="sourceLineNo">088</span>import org.apache.hadoop.hbase.util.VersionInfo;<a name="line.88"></a> +<span class="sourceLineNo">089</span><a name="line.89"></a> +<span class="sourceLineNo">090</span>import org.apache.hadoop.hbase.shaded.com.google.common.annotations.VisibleForTesting;<a name="line.90"></a> +<span class="sourceLineNo">091</span>import org.apache.hadoop.hbase.shaded.com.google.common.collect.Lists;<a name="line.91"></a> <span class="sourceLineNo">092</span><a name="line.92"></a> -<span class="sourceLineNo">093</span>import org.apache.hadoop.hbase.shaded.com.google.common.annotations.VisibleForTesting;<a name="line.93"></a> -<span class="sourceLineNo">094</span>import org.apache.hadoop.hbase.shaded.com.google.common.collect.Lists;<a name="line.94"></a> -<span class="sourceLineNo">095</span><a name="line.95"></a> -<span class="sourceLineNo">096</span>/**<a name="line.96"></a> -<span class="sourceLineNo">097</span> * The AssignmentManager is the coordinator for region assign/unassign operations.<a name="line.97"></a> -<span class="sourceLineNo">098</span> * <ul><a name="line.98"></a> -<span class="sourceLineNo">099</span> * <li>In-memory states of regions and servers are stored in {@link RegionStates}.</li><a name="line.99"></a> -<span class="sourceLineNo">100</span> * <li>hbase:meta state updates are handled by {@link RegionStateStore}.</li><a name="line.100"></a> -<span class="sourceLineNo">101</span> * </ul><a name="line.101"></a> -<span class="sourceLineNo">102</span> * Regions are created by CreateTable, Split, Merge.<a name="line.102"></a> -<span class="sourceLineNo">103</span> * Regions are deleted by DeleteTable, Split, Merge.<a name="line.103"></a> -<span class="sourceLineNo">104</span> * Assigns are triggered by CreateTable, EnableTable, Split, Merge, ServerCrash.<a name="line.104"></a> -<span class="sourceLineNo">105</span> * Unassigns are triggered by DisableTable, Split, Merge<a name="line.105"></a> -<span class="sourceLineNo">106</span> */<a name="line.106"></a> -<span class="sourceLineNo">107</span>@InterfaceAudience.Private<a name="line.107"></a> -<span class="sourceLineNo">108</span>public class AssignmentManager implements ServerListener {<a name="line.108"></a> -<span class="sourceLineNo">109</span> private static final Log LOG = LogFactory.getLog(AssignmentManager.class);<a name="line.109"></a> -<span class="sourceLineNo">110</span><a name="line.110"></a> -<span class="sourceLineNo">111</span> // TODO: AMv2<a name="line.111"></a> -<span class="sourceLineNo">112</span> // - handle region migration from hbase1 to hbase2.<a name="line.112"></a> -<span class="sourceLineNo">113</span> // - handle sys table assignment first (e.g. acl, namespace)<a name="line.113"></a> -<span class="sourceLineNo">114</span> // - handle table priorities<a name="line.114"></a> -<span class="sourceLineNo">115</span> // - If ServerBusyException trying to update hbase:meta, we abort the Master<a name="line.115"></a> -<span class="sourceLineNo">116</span> // See updateRegionLocation in RegionStateStore.<a name="line.116"></a> -<span class="sourceLineNo">117</span> //<a name="line.117"></a> -<span class="sourceLineNo">118</span> // See also<a name="line.118"></a> -<span class="sourceLineNo">119</span> // https://docs.google.com/document/d/1eVKa7FHdeoJ1-9o8yZcOTAQbv0u0bblBlCCzVSIn69g/edit#heading=h.ystjyrkbtoq5<a name="line.119"></a> -<span class="sourceLineNo">120</span> // for other TODOs.<a name="line.120"></a> +<span class="sourceLineNo">093</span>/**<a name="line.93"></a> +<span class="sourceLineNo">094</span> * The AssignmentManager is the coordinator for region assign/unassign operations.<a name="line.94"></a> +<span class="sourceLineNo">095</span> * <ul><a name="line.95"></a> +<span class="sourceLineNo">096</span> * <li>In-memory states of regions and servers are stored in {@link RegionStates}.</li><a name="line.96"></a> +<span class="sourceLineNo">097</span> * <li>hbase:meta state updates are handled by {@link RegionStateStore}.</li><a name="line.97"></a> +<span class="sourceLineNo">098</span> * </ul><a name="line.98"></a> +<span class="sourceLineNo">099</span> * Regions are created by CreateTable, Split, Merge.<a name="line.99"></a> +<span class="sourceLineNo">100</span> * Regions are deleted by DeleteTable, Split, Merge.<a name="line.100"></a> +<span class="sourceLineNo">101</span> * Assigns are triggered by CreateTable, EnableTable, Split, Merge, ServerCrash.<a name="line.101"></a> +<span class="sourceLineNo">102</span> * Unassigns are triggered by DisableTable, Split, Merge<a name="line.102"></a> +<span class="sourceLineNo">103</span> */<a name="line.103"></a> +<span class="sourceLineNo">104</span>@InterfaceAudience.Private<a name="line.104"></a> +<span class="sourceLineNo">105</span>public class AssignmentManager implements ServerListener {<a name="line.105"></a> +<span class="sourceLineNo">106</span> private static final Log LOG = LogFactory.getLog(AssignmentManager.class);<a name="line.106"></a> +<span class="sourceLineNo">107</span><a name="line.107"></a> +<span class="sourceLineNo">108</span> // TODO: AMv2<a name="line.108"></a> +<span class="sourceLineNo">109</span> // - handle region migration from hbase1 to hbase2.<a name="line.109"></a> +<span class="sourceLineNo">110</span> // - handle sys table assignment first (e.g. acl, namespace)<a name="line.110"></a> +<span class="sourceLineNo">111</span> // - handle table priorities<a name="line.111"></a> +<span class="sourceLineNo">112</span> // - If ServerBusyException trying to update hbase:meta, we abort the Master<a name="line.112"></a> +<span class="sourceLineNo">113</span> // See updateRegionLocation in RegionStateStore.<a name="line.113"></a> +<span class="sourceLineNo">114</span> //<a name="line.114"></a> +<span class="sourceLineNo">115</span> // See also<a name="line.115"></a> +<span class="sourceLineNo">116</span> // https://docs.google.com/document/d/1eVKa7FHdeoJ1-9o8yZcOTAQbv0u0bblBlCCzVSIn69g/edit#heading=h.ystjyrkbtoq5<a name="line.116"></a> +<span class="sourceLineNo">117</span> // for other TODOs.<a name="line.117"></a> +<span class="sourceLineNo">118</span><a name="line.118"></a> +<span class="sourceLineNo">119</span> public static final String BOOTSTRAP_THREAD_POOL_SIZE_CONF_KEY =<a name="line.119"></a> +<span class="sourceLineNo">120</span> "hbase.assignment.bootstrap.thread.pool.size";<a name="line.120"></a> <span class="sourceLineNo">121</span><a name="line.121"></a> -<span class="sourceLineNo">122</span> public static final String BOOTSTRAP_THREAD_POOL_SIZE_CONF_KEY =<a name="line.122"></a> -<span class="sourceLineNo">123</span> "hbase.assignment.bootstrap.thread.pool.size";<a name="line.123"></a> -<span class="sourceLineNo">124</span><a name="line.124"></a> -<span class="sourceLineNo">125</span> public static final String ASSIGN_DISPATCH_WAIT_MSEC_CONF_KEY =<a name="line.125"></a> -<span class="sourceLineNo">126</span> "hbase.assignment.dispatch.wait.msec";<a name="line.126"></a> -<span class="sourceLineNo">127</span> private static final int DEFAULT_ASSIGN_DISPATCH_WAIT_MSEC = 150;<a name="line.127"></a> -<span class="sourceLineNo">128</span><a name="line.128"></a> -<span class="sourceLineNo">129</span> public static final String ASSIGN_DISPATCH_WAITQ_MAX_CONF_KEY =<a name="line.129"></a> -<span class="sourceLineNo">130</span> "hbase.assignment.dispatch.wait.queue.max.size";<a name="line.130"></a> -<span class="sourceLineNo">131</span> private static final int DEFAULT_ASSIGN_DISPATCH_WAITQ_MAX = 100;<a name="line.131"></a> -<span class="sourceLineNo">132</span><a name="line.132"></a> -<span class="sourceLineNo">133</span> public static final String RIT_CHORE_INTERVAL_MSEC_CONF_KEY =<a name="line.133"></a> -<span class="sourceLineNo">134</span> "hbase.assignment.rit.chore.interval.msec";<a name="line.134"></a> -<span class="sourceLineNo">135</span> private static final int DEFAULT_RIT_CHORE_INTERVAL_MSEC = 5 * 1000;<a name="line.135"></a> -<span class="sourceLineNo">136</span><a name="line.136"></a> -<span class="sourceLineNo">137</span> public static final String ASSIGN_MAX_ATTEMPTS =<a name="line.137"></a> -<span class="sourceLineNo">138</span> "hbase.assignment.maximum.attempts";<a name="line.138"></a> -<span class="sourceLineNo">139</span> private static final int DEFAULT_ASSIGN_MAX_ATTEMPTS = 10;<a name="line.139"></a> -<span class="sourceLineNo">140</span><a name="line.140"></a> -<span class="sourceLineNo">141</span> /** Region in Transition metrics threshold time */<a name="line.141"></a> -<span class="sourceLineNo">142</span> public static final String METRICS_RIT_STUCK_WARNING_THRESHOLD =<a name="line.142"></a> -<span class="sourceLineNo">143</span> "hbase.metrics.rit.stuck.warning.threshold";<a name="line.143"></a> -<span class="sourceLineNo">144</span> private static final int DEFAULT_RIT_STUCK_WARNING_THRESHOLD = 60 * 1000;<a name="line.144"></a> +<span class="sourceLineNo">122</span> public static final String ASSIGN_DISPATCH_WAIT_MSEC_CONF_KEY =<a name="line.122"></a> +<span class="sourceLineNo">123</span> "hbase.assignment.dispatch.wait.msec";<a name="line.123"></a> +<span class="sourceLineNo">124</span> private static final int DEFAULT_ASSIGN_DISPATCH_WAIT_MSEC = 150;<a name="line.124"></a> +<span class="sourceLineNo">125</span><a name="line.125"></a> +<span class="sourceLineNo">126</span> public static final String ASSIGN_DISPATCH_WAITQ_MAX_CONF_KEY =<a name="line.126"></a> +<span class="sourceLineNo">127</span> "hbase.assignment.dispatch.wait.queue.max.size";<a name="line.127"></a> +<span class="sourceLineNo">128</span> private static final int DEFAULT_ASSIGN_DISPATCH_WAITQ_MAX = 100;<a name="line.128"></a> +<span class="sourceLineNo">129</span><a name="line.129"></a> +<span class="sourceLineNo">130</span> public static final String RIT_CHORE_INTERVAL_MSEC_CONF_KEY =<a name="line.130"></a> +<span class="sourceLineNo">131</span> "hbase.assignment.rit.chore.interval.msec";<a name="line.131"></a> +<span class="sourceLineNo">132</span> private static final int DEFAULT_RIT_CHORE_INTERVAL_MSEC = 5 * 1000;<a name="line.132"></a> +<span class="sourceLineNo">133</span><a name="line.133"></a> +<span class="sourceLineNo">134</span> public static final String ASSIGN_MAX_ATTEMPTS =<a name="line.134"></a> +<span class="sourceLineNo">135</span> "hbase.assignment.maximum.attempts";<a name="line.135"></a> +<span class="sourceLineNo">136</span> private static final int DEFAULT_ASSIGN_MAX_ATTEMPTS = 10;<a name="line.136"></a> +<span class="sourceLineNo">137</span><a name="line.137"></a> +<span class="sourceLineNo">138</span> /** Region in Transition metrics threshold time */<a name="line.138"></a> +<span class="sourceLineNo">139</span> public static final String METRICS_RIT_STUCK_WARNING_THRESHOLD =<a name="line.139"></a> +<span class="sourceLineNo">140</span> "hbase.metrics.rit.stuck.warning.threshold";<a name="line.140"></a> +<span class="sourceLineNo">141</span> private static final int DEFAULT_RIT_STUCK_WARNING_THRESHOLD = 60 * 1000;<a name="line.141"></a> +<span class="sourceLineNo">142</span><a name="line.142"></a> +<span class="sourceLineNo">143</span> private final ProcedureEvent<?> metaInitializedEvent = new ProcedureEvent<>("meta initialized");<a name="line.143"></a> +<span class="sourceLineNo">144</span> private final ProcedureEvent<?> metaLoadEvent = new ProcedureEvent<>("meta load");<a name="line.144"></a> <span class="sourceLineNo">145</span><a name="line.145"></a> -<span class="sourceLineNo">146</span> private final ProcedureEvent<?> metaInitializedEvent = new ProcedureEvent<>("meta initialized");<a name="line.146"></a> -<span class="sourceLineNo">147</span> private final ProcedureEvent<?> metaLoadEvent = new ProcedureEvent<>("meta load");<a name="line.147"></a> -<span class="sourceLineNo">148</span><a name="line.148"></a> -<span class="sourceLineNo">149</span> /**<a name="line.149"></a> -<span class="sourceLineNo">150</span> * Indicator that AssignmentManager has recovered the region states so<a name="line.150"></a> -<span class="sourceLineNo">151</span> * that ServerCrashProcedure can be fully enabled and re-assign regions<a name="line.151"></a> -<span class="sourceLineNo">152</span> * of dead servers. So that when re-assignment happens, AssignmentManager<a name="line.152"></a> -<span class="sourceLineNo">153</span> * has proper region states.<a name="line.153"></a> -<span class="sourceLineNo">154</span> */<a name="line.154"></a> -<span class="sourceLineNo">155</span> private final ProcedureEvent<?> failoverCleanupDone = new ProcedureEvent<>("failover cleanup");<a name="line.155"></a> -<span class="sourceLineNo">156</span><a name="line.156"></a> -<span class="sourceLineNo">157</span> /** Listeners that are called on assignment events. */<a name="line.157"></a> -<span class="sourceLineNo">158</span> private final CopyOnWriteArrayList<AssignmentListener> listeners =<a name="line.158"></a> -<span class="sourceLineNo">159</span> new CopyOnWriteArrayList<AssignmentListener>();<a name="line.159"></a> +<span class="sourceLineNo">146</span> /**<a name="line.146"></a> +<span class="sourceLineNo">147</span> * Indicator that AssignmentManager has recovered the region states so<a name="line.147"></a> +<span class="sourceLineNo">148</span> * that ServerCrashProcedure can be fully enabled and re-assign regions<a name="line.148"></a> +<span class="sourceLineNo">149</span> * of dead servers. So that when re-assignment happens, AssignmentManager<a name="line.149"></a> +<span class="sourceLineNo">150</span> * has proper region states.<a name="line.150"></a> +<span class="sourceLineNo">151</span> */<a name="line.151"></a> +<span class="sourceLineNo">152</span> private final ProcedureEvent<?> failoverCleanupDone = new ProcedureEvent<>("failover cleanup");<a name="line.152"></a> +<span class="sourceLineNo">153</span><a name="line.153"></a> +<span class="sourceLineNo">154</span> /** Listeners that are called on assignment events. */<a name="line.154"></a> +<span class="sourceLineNo">155</span> private final CopyOnWriteArrayList<AssignmentListener> listeners =<a name="line.155"></a> +<span class="sourceLineNo">156</span> new CopyOnWriteArrayList<AssignmentListener>();<a name="line.156"></a> +<span class="sourceLineNo">157</span><a name="line.157"></a> +<span class="sourceLineNo">158</span> // TODO: why is this different from the listeners (carried over from the old AM)<a name="line.158"></a> +<span class="sourceLineNo">159</span> private RegionStateListener regionStateListener;<a name="line.159"></a> <span class="sourceLineNo">160</span><a name="line.160"></a> -<span class="sourceLineNo">161</span> // TODO: why is this different from the listeners (carried over from the old AM)<a name="line.161"></a> -<span class="sourceLineNo">162</span> private RegionStateListener regionStateListener;<a name="line.162"></a> -<span class="sourceLineNo">163</span><a name="line.163"></a> -<span class="sourceLineNo">164</span> private RegionNormalizer regionNormalizer;<a name="line.164"></a> -<span class="sourceLineNo">165</span><a name="line.165"></a> -<span class="sourceLineNo">166</span> private final MetricsAssignmentManager metrics;<a name="line.166"></a> -<span class="sourceLineNo">167</span> private final RegionInTransitionChore ritChore;<a name="line.167"></a> -<span class="sourceLineNo">168</span> private final MasterServices master;<a name="line.168"></a> -<span class="sourceLineNo">169</span><a name="line.169"></a> -<span class="sourceLineNo">170</span> private final AtomicBoolean running = new AtomicBoolean(false);<a name="line.170"></a> -<span class="sourceLineNo">171</span> private final RegionStates regionStates = new RegionStates();<a name="line.171"></a> -<span class="sourceLineNo">172</span> private final RegionStateStore regionStateStore;<a name="line.172"></a> -<span class="sourceLineNo">173</span><a name="line.173"></a> -<span class="sourceLineNo">174</span> private final boolean shouldAssignRegionsWithFavoredNodes;<a name="line.174"></a> -<span class="sourceLineNo">175</span> private final int assignDispatchWaitQueueMaxSize;<a name="line.175"></a> -<span class="sourceLineNo">176</span> private final int assignDispatchWaitMillis;<a name="line.176"></a> -<span class="sourceLineNo">177</span> private final int assignMaxAttempts;<a name="line.177"></a> -<span class="sourceLineNo">178</span><a name="line.178"></a> -<span class="sourceLineNo">179</span> private final Object checkIfShouldMoveSystemRegionLock = new Object();<a name="line.179"></a> -<span class="sourceLineNo">180</span><a name="line.180"></a> -<span class="sourceLineNo">181</span> private Thread assignThread;<a name="line.181"></a> -<span class="sourceLineNo">182</span><a name="line.182"></a> -<span class="sourceLineNo">183</span> public AssignmentManager(final MasterServices master) {<a name="line.183"></a> -<span class="sourceLineNo">184</span> this(master, new RegionStateStore(master));<a name="line.184"></a> -<span class="sourceLineNo">185</span> }<a name="line.185"></a> -<span class="sourceLineNo">186</span><a name="line.186"></a> -<span class="sourceLineNo">187</span> public AssignmentManager(final MasterServices master, final RegionStateStore stateStore) {<a name="line.187"></a> -<span class="sourceLineNo">188</span> this.master = master;<a name="line.188"></a> -<span class="sourceLineNo">189</span> this.regionStateStore = stateStore;<a name="line.189"></a> -<span class="sourceLineNo">190</span> this.metrics = new MetricsAssignmentManager();<a name="line.190"></a> -<span class="sourceLineNo">191</span><a name="line.191"></a> -<span class="sourceLineNo">192</span> final Configuration conf = master.getConfiguration();<a name="line.192"></a> -<span class="sourceLineNo">193</span><a name="line.193"></a> -<span class="sourceLineNo">194</span> // Only read favored nodes if using the favored nodes load balancer.<a name="line.194"></a> -<span class="sourceLineNo">195</span> this.shouldAssignRegionsWithFavoredNodes = FavoredStochasticBalancer.class.isAssignableFrom(<a name="line.195"></a> -<span class="sourceLineNo">196</span> conf.getClass(HConstants.HBASE_MASTER_LOADBALANCER_CLASS, Object.class));<a name="line.196"></a> -<span class="sourceLineNo">197</span><a name="line.197"></a> -<span class="sourceLineNo">198</span> this.assignDispatchWaitMillis = conf.getInt(ASSIGN_DISPATCH_WAIT_MSEC_CONF_KEY,<a name="line.198"></a> -<span class="sourceLineNo">199</span> DEFAULT_ASSIGN_DISPATCH_WAIT_MSEC);<a name="line.199"></a> -<span class="sourceLineNo">200</span> this.assignDispatchWaitQueueMaxSize = conf.getInt(ASSIGN_DISPATCH_WAITQ_MAX_CONF_KEY,<a name="line.200"></a> -<span class="sourceLineNo">201</span> DEFAULT_ASSIGN_DISPATCH_WAITQ_MAX);<a name="line.201"></a> +<span class="sourceLineNo">161</span> private RegionNormalizer regionNormalizer;<a name="line.161"></a> +<span class="sourceLineNo">162</span><a name="line.162"></a> +<span class="sourceLineNo">163</span> private final MetricsAssignmentManager metrics;<a name="line.163"></a> +<span class="sourceLineNo">164</span> private final RegionInTransitionChore ritChore;<a name="line.164"></a> +<span class="sourceLineNo">165</span> private final MasterServices master;<a name="line.165"></a> +<span class="sourceLineNo">166</span><a name="line.166"></a> +<span class="sourceLineNo">167</span> private final AtomicBoolean running = new AtomicBoolean(false);<a name="line.167"></a> +<span class="sourceLineNo">168</span> private final RegionStates regionStates = new RegionStates();<a name="line.168"></a> +<span class="sourceLineNo">169</span> private final RegionStateStore regionStateStore;<a name="line.169"></a> +<span class="sourceLineNo">170</span><a name="line.170"></a> +<span class="sourceLineNo">171</span> private final boolean shouldAssignRegionsWithFavoredNodes;<a name="line.171"></a> +<span class="sourceLineNo">172</span> private final int assignDispatchWaitQueueMaxSize;<a name="line.172"></a> +<span class="sourceLineNo">173</span> private final int assignDispatchWaitMillis;<a name="line.173"></a> +<span class="sourceLineNo">174</span> private final int assignMaxAttempts;<a name="line.174"></a> +<span class="sourceLineNo">175</span><a name="line.175"></a> +<span class="sourceLineNo">176</span> private final Object checkIfShouldMoveSystemRegionLock = new Object();<a name="line.176"></a> +<span class="sourceLineNo">177</span><a name="line.177"></a> +<span class="sourceLineNo">178</span> private Thread assignThread;<a name="line.178"></a> +<span class="sourceLineNo">179</span><a name="line.179"></a> +<span class="sourceLineNo">180</span> public AssignmentManager(final MasterServices master) {<a name="line.180"></a> +<span class="sourceLineNo">181</span> this(master, new RegionStateStore(master));<a name="line.181"></a> +<span class="sourceLineNo">182</span> }<a name="line.182"></a> +<span class="sourceLineNo">183</span><a name="line.183"></a> +<span class="sourceLineNo">184</span> public AssignmentManager(final MasterServices master, final RegionStateStore stateStore) {<a name="line.184"></a> +<span class="sourceLineNo">185</span> this.master = master;<a name="line.185"></a> +<span class="sourceLineNo">186</span> this.regionStateStore = stateStore;<a name="line.186"></a> +<span class="sourceLineNo">187</span> this.metrics = new MetricsAssignmentManager();<a name="line.187"></a> +<span class="sourceLineNo">188</span><a name="line.188"></a> +<span class="sourceLineNo">189</span> final Configuration conf = master.getConfiguration();<a name="line.189"></a> +<span class="sourceLineNo">190</span><a name="line.190"></a> +<span class="sourceLineNo">191</span> // Only read favored nodes if using the favored nodes load balancer.<a name="line.191"></a> +<span class="sourceLineNo">192</span> this.shouldAssignRegionsWithFavoredNodes = FavoredStochasticBalancer.class.isAssignableFrom(<a name="line.192"></a> +<span class="sourceLineNo">193</span> conf.getClass(HConstants.HBASE_MASTER_LOADBALANCER_CLASS, Object.class));<a name="line.193"></a> +<span class="sourceLineNo">194</span><a name="line.194"></a> +<span class="sourceLineNo">195</span> this.assignDispatchWaitMillis = conf.getInt(ASSIGN_DISPATCH_WAIT_MSEC_CONF_KEY,<a name="line.195"></a> +<span class="sourceLineNo">196</span> DEFAULT_ASSIGN_DISPATCH_WAIT_MSEC);<a name="line.196"></a> +<span class="sourceLineNo">197</span> this.assignDispatchWaitQueueMaxSize = conf.getInt(ASSIGN_DISPATCH_WAITQ_MAX_CONF_KEY,<a name="line.197"></a> +<span class="sourceLineNo">198</span> DEFAULT_ASSIGN_DISPATCH_WAITQ_MAX);<a name="line.198"></a> +<span class="sourceLineNo">199</span><a name="line.199"></a> +<span class="sourceLineNo">200</span> this.assignMaxAttempts = Math.max(1, conf.getInt(ASSIGN_MAX_ATTEMPTS,<a name="line.200"></a> +<span class="sourceLineNo">201</span> DEFAULT_ASSIGN_MAX_ATTEMPTS));<a name="line.201"></a> <span class="sourceLineNo">202</span><a name="line.202"></a> -<span class="sourceLineNo">203</span> this.assignMaxAttempts = Math.max(1, conf.getInt(ASSIGN_MAX_ATTEMPTS,<a name="line.203"></a> -<span class="sourceLineNo">204</span> DEFAULT_ASSIGN_MAX_ATTEMPTS));<a name="line.204"></a> -<span class="sourceLineNo">205</span><a name="line.205"></a> -<span class="sourceLineNo">206</span> int ritChoreInterval = conf.getInt(RIT_CHORE_INTERVAL_MSEC_CONF_KEY,<a name="line.206"></a> -<span class="sourceLineNo">207</span> DEFAULT_RIT_CHORE_INTERVAL_MSEC);<a name="line.207"></a> -<span class="sourceLineNo">208</span> this.ritChore = new RegionInTransitionChore(ritChoreInterval);<a name="line.208"></a> -<span class="sourceLineNo">209</span><a name="line.209"></a> -<span class="sourceLineNo">210</span> // Used for region related procedure.<a name="line.210"></a> -<span class="sourceLineNo">211</span> setRegionNormalizer(master.getRegionNormalizer());<a name="line.211"></a> -<span class="sourceLineNo">212</span> }<a name="line.212"></a> -<span class="sourceLineNo">213</span><a name="line.213"></a> -<span class="sourceLineNo">214</span> public void start() throws IOException {<a name="line.214"></a> -<span class="sourceLineNo">215</span> if (!running.compareAndSet(false, true)) {<a name="line.215"></a> -<span class="sourceLineNo">216</span> return;<a name="line.216"></a> -<span class="sourceLineNo">217</span> }<a name="line.217"></a> -<span class="sourceLineNo">218</span><a name="line.218"></a> -<span class="sourceLineNo">219</span> LOG.info("Starting assignment manager");<a name="line.219"></a> +<span class="sourceLineNo">203</span> int ritChoreInterval = conf.getInt(RIT_CHORE_INTERVAL_MSEC_CONF_KEY,<a name="line.203"></a> +<span class="sourceLineNo">204</span> DEFAULT_RIT_CHORE_INTERVAL_MSEC);<a name="line.204"></a> +<span class="sourceLineNo">205</span> this.ritChore = new RegionInTransitionChore(ritChoreInterval);<a name="line.205"></a> +<span class="sourceLineNo">206</span><a name="line.206"></a> +<span class="sourceLineNo">207</span> // Used for region related procedure.<a name="line.207"></a> +<span class="sourceLineNo">208</span> setRegionNormalizer(master.getRegionNormalizer());<a name="line.208"></a> +<span class="sourceLineNo">209</span> }<a name="line.209"></a> +<span class="sourceLineNo">210</span><a name="line.210"></a> +<span class="sourceLineNo">211</span> public void start() throws IOException {<a name="line.211"></a> +<span class="sourceLineNo">212</span> if (!running.compareAndSet(false, true)) {<a name="line.212"></a> +<span class="sourceLineNo">213</span> return;<a name="line.213"></a> +<span class="sourceLineNo">214</span> }<a name="line.214"></a> +<span class="sourceLineNo">215</span><a name="line.215"></a> +<span class="sourceLineNo">216</span> LOG.info("Starting assignment manager");<a name="line.216"></a> +<span class="sourceLineNo">217</span><a name="line.217"></a> +<span class="sourceLineNo">218</span> // Register Server Listener<a name="line.218"></a> +<span class="sourceLineNo">219</span> master.getServerManager().registerListener(this);<a name="line.219"></a> <span class="sourceLineNo">220</span><a name="line.220"></a> -<span class="sourceLineNo">221</span> // Register Server Listener<a name="line.221"></a> -<span class="sourceLineNo">222</span> master.getServerManager().registerListener(this);<a name="line.222"></a> +<span class="sourceLineNo">221</span> // Start the RegionStateStore<a name="line.221"></a> +<span class="sourceLineNo">222</span> regionStateStore.start();<a name="line.222"></a> <span class="sourceLineNo">223</span><a name="line.223"></a> -<span class="sourceLineNo">224</span> // Start the RegionStateStore<a name="line.224"></a> -<span class="sourceLineNo">225</span> regionStateStore.start();<a name="line.225"></a> -<span class="sourceLineNo">226</span><a name="line.226"></a> -<span class="sourceLineNo">227</span> // Start the Assignment Thread<a name="line.227"></a> -<span class="sourceLineNo">228</span> startAssignmentThread();<a name="line.228"></a> -<span class="sourceLineNo">229</span> }<a name="line.229"></a> -<span class="sourceLineNo">230</span><a name="line.230"></a> -<span class="sourceLineNo">231</span> public void stop() {<a name="line.231"></a> -<span class="sourceLineNo">232</span> if (!running.compareAndSet(true, false)) {<a name="line.232"></a> -<span class="sourceLineNo">233</span> return;<a name="line.233"></a> -<span class="sourceLineNo">234</span> }<a name="line.234"></a> -<span class="sourceLineNo">235</span><a name="line.235"></a> -<span class="sourceLineNo">236</span> LOG.info("Stopping assignment manager");<a name="line.236"></a> -<span class="sourceLineNo">237</span><a name="line.237"></a> -<span class="sourceLineNo">238</span> // The AM is started before the procedure executor,<a name="line.238"></a> -<span class="sourceLineNo">239</span> // but the actual work will be loaded/submitted only once we have the executor<a name="line.239"></a> -<span class="sourceLineNo">240</span> final boolean hasProcExecutor = master.getMasterProcedureExecutor() != null;<a name="line.240"></a> -<span class="sourceLineNo">241</span><a name="line.241"></a> -<span class="sourceLineNo">242</span> // Remove the RIT chore<a name="line.242"></a> -<span class="sourceLineNo">243</span> if (hasProcExecutor) {<a name="line.243"></a> -<span class="sourceLineNo">244</span> master.getMasterProcedureExecutor().removeChore(this.ritChore);<a name="line.244"></a> -<span class="sourceLineNo">245</span> }<a name="line.245"></a> +<span class="sourceLineNo">224</span> // Start the Assignment Thread<a name="line.224"></a> +<span class="sourceLineNo">225</span> startAssignmentThread();<a name="line.225"></a> +<span class="sourceLineNo">226</span> }<a name="line.226"></a> +<span class="sourceLineNo">227</span><a name="line.227"></a> +<span class="sourceLineNo">228</span> public void stop() {<a name="line.228"></a> +<span class="sourceLineNo">229</span> if (!running.compareAndSet(true, false)) {<a name="line.229"></a> +<span class="sourceLineNo">230</span> return;<a name="line.230"></a> +<span class="sourceLineNo">231</span> }<a name="line.231"></a> +<span class="sourceLineNo">232</span><a name="line.232"></a> +<span class="sourceLineNo">233</span> LOG.info("Stopping assignment manager");<a name="line.233"></a> +<span class="sourceLineNo">234</span><a name="line.234"></a> +<span class="sourceLineNo">235</span> // The AM is started before the procedure executor,<a name="line.235"></a> +<span class="sourceLineNo">236</span> // but the actual work will be loaded/submitted only once we have the executor<a name="line.236"></a> +<span class="sourceLineNo">237</span> final boolean hasProcExecutor = master.getMasterProcedureExecutor() != null;<a name="line.237"></a> +<span class="sourceLineNo">238</span><a name="line.238"></a> +<span class="sourceLineNo">239</span> // Remove the RIT chore<a name="line.239"></a> +<span class="sourceLineNo">240</span> if (hasProcExecutor) {<a name="line.240"></a> +<span class="sourceLineNo">241</span> master.getMasterProcedureExecutor().removeChore(this.ritChore);<a name="line.241"></a> +<span class="sourceLineNo">242</span> }<a name="line.242"></a> +<span class="sourceLineNo">243</span><a name="line.243"></a> +<span class="sourceLineNo">244</span> // Stop the Assignment Thread<a name="line.244"></a> +<span class="sourceLineNo">245</span> stopAssignmentThread();<a name="line.245"></a> <span class="sourceLineNo">246</span><a name="line.246"></a> -<span class="sourceLineNo">247</span> // Stop the Assignment Thread<a name="line.247"></a> -<span class="sourceLineNo">248</span> stopAssignmentThread();<a name="line.248"></a> -<span class="sourceLineNo">249</span><a name="line.249"></a> -<span class="sourceLineNo">250</span> // Stop the RegionStateStore<a name="line.250"></a> -<span class="sourceLineNo">251</span> regionStates.clear();<a name="line.251"></a> -<span class="sourceLineNo">252</span> regionStateStore.stop();<a name="line.252"></a> +<span class="sourceLineNo">247</span> // Stop the RegionStateStore<a name="line.247"></a> +<span class="sourceLineNo">248</span> regionStates.clear();<a name="line.248"></a> +<span class="sourceLineNo">249</span> regionStateStore.stop();<a name="line.249"></a> +<span class="sourceLineNo">250</span><a name="line.250"></a> +<span class="sourceLineNo">251</span> // Unregister Server Listener<a name="line.251"></a> +<span class="sourceLineNo">252</span> master.getServerManager().unregisterListener(this);<a name="line.252"></a> <span class="sourceLineNo">253</span><a name="line.253"></a> -<span class="sourceLineNo">254</span> // Unregister Server Listener<a name="line.254"></a> -<span class="sourceLineNo">255</span> master.getServerManager().unregisterListener(this);<a name="line.255"></a> -<span class="sourceLineNo">256</span><a name="line.256"></a> -<span class="sourceLineNo">257</span> // Update meta events (for testing)<a name="line.257"></a> -<span class="sourceLineNo">258</span> if (hasProcExecutor) {<a name="line.258"></a> -<span class="sourceLineNo">259</span> getProcedureScheduler().suspendEvent(metaLoadEvent);<a name="line.259"></a> -<span class="sourceLineNo">260</span> setFailoverCleanupDone(false);<a name="line.260"></a> -<span class="sourceLineNo">261</span> for (HRegionInfo hri: getMetaRegionSet()) {<a name="line.261"></a> -<span class="sourceLineNo">262</span> setMetaInitialized(hri, false);<a name="line.262"></a> -<span class="sourceLineNo">263</span> }<a name="line.263"></a> -<span class="sourceLineNo">264</span> }<a name="line.264"></a> -<span class="sourceLineNo">265</span> }<a name="line.265"></a> -<span class="sourceLineNo">266</span><a name="line.266"></a> -<span class="sourceLineNo">267</span> public boolean isRunning() {<a name="line.267"></a> -<span class="sourceLineNo">268</span> return running.get();<a name="line.268"></a> -<span class="sourceLineNo">269</span> }<a name="line.269"></a> -<span class="sourceLineNo">270</span><a name="line.270"></a> -<span class="sourceLineNo">271</span> public Configuration getConfiguration() {<a name="line.271"></a> -<span class="sourceLineNo">272</span> return master.getConfiguration();<a name="line.272"></a> -<span class="sourceLineNo">273</span> }<a name="line.273"></a> -<span class="sourceLineNo">274</span><a name="line.274"></a> -<span class="sourceLineNo">275</span> public MetricsAssignmentManager getAssignmentManagerMetrics() {<a name="line.275"></a> -<span class="sourceLineNo">276</span> return metrics;<a name="line.276"></a> -<span class="sourceLineNo">277</span> }<a name="line.277"></a> -<span class="sourceLineNo">278</span><a name="line.278"></a> -<span class="sourceLineNo">279</span> private LoadBalancer getBalancer() {<a name="line.279"></a> -<span class="sourceLineNo">280</span> return master.getLoadBalancer();<a name="line.280"></a> -<span class="sourceLineNo">281</span> }<a name="line.281"></a> -<span class="sourceLineNo">282</span><a name="line.282"></a> -<span class="sourceLineNo">283</span> private MasterProcedureEnv getProcedureEnvironment() {<a name="line.283"></a> -<span class="sourceLineNo">284</span> return master.getMasterProcedureExecutor().getEnvironment();<a name="line.284"></a> -<span class="sourceLineNo">285</span> }<a name="line.285"></a> -<span class="sourceLineNo">286</span><a name="line.286"></a> -<span class="sourceLineNo">287</span> private MasterProcedureScheduler getProcedureScheduler() {<a name="line.287"></a> -<span class="sourceLineNo">288</span> return getProcedureEnvironment().getProcedureScheduler();<a name="line.288"></a> -<span class="sourceLineNo">289</span> }<a name="line.289"></a> -<span class="sourceLineNo">290</span><a name="line.290"></a> -<span class="sourceLineNo">291</span> protected int getAssignMaxAttempts() {<a name="line.291"></a> -<span class="sourceLineNo">292</span> return assignMaxAttempts;<a name="line.292"></a> -<span class="sourceLineNo">293</span> }<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> * Add the listener to the notification list.<a name="line.296"></a> -<span class="sourceLineNo">297</span> * @param listener The AssignmentListener to register<a name="line.297"></a> -<span class="sourceLineNo">298</span> */<a name="line.298"></a> -<span class="sourceLineNo">299</span> public void registerListener(final AssignmentListener listener) {<a name="line.299"></a> -<span class="sourceLineNo">300</span> this.listeners.add(listener);<a name="line.300"></a> -<span class="sourceLineNo">301</span> }<a name="line.301"></a> -<span class="sourceLineNo">302</span><a name="line.302"></a> -<span class="sourceLineNo">303</span> /**<a name="line.303"></a> -<span class="sourceLineNo">304</span> * Remove the listener from the notification list.<a name="line.304"></a> -<span class="sourceLineNo">305</span> * @param listener The AssignmentListener to unregister<a name="line.305"></a> -<span class="sourceLineNo">306</span> */<a name="line.306"></a> -<span class="sourceLineNo">307</span> public boolean unregisterListener(final AssignmentListener listener) {<a name="line.307"></a> -<span class="sourceLineNo">308</span> return this.listeners.remove(listener);<a name="line.308"></a> -<span class="sourceLineNo">309</span> }<a name="line.309"></a> -<span class="sourceLineNo">310</span><a name="line.310"></a> -<span class="sourceLineNo">311</span> public void setRegionStateListener(final RegionStateListener listener) {<a name="line.311"></a> -<span class="sourceLineNo">312</span> this.regionStateListener = listener;<a name="line.312"></a> -<span class="sourceLineNo">313</span> }<a name="line.313"></a> -<span class="sourceLineNo">314</span><a name="line.314"></a> -<span class="sourceLineNo">315</span> public void setRegionNormalizer(final RegionNormalizer normalizer) {<a name="line.315"></a> -<span class="sourceLineNo">316</span> this.regionNormalizer = normalizer;<a name="line.316"></a> -<span class="sourceLineNo">317</span> }<a name="line.317"></a> -<span class="sourceLineNo">318</span><a name="line.318"></a> -<span class="sourceLineNo">319</span> public RegionNormalizer getRegionNormalizer() {<a name="line.319"></a> -<span class="sourceLineNo">320</span> return regionNormalizer;<a name="line.320"></a> -<span class="sourceLineNo">321</span> }<a name="line.321"></a> -<span class="sourceLineNo">322</span><a name="line.322"></a> -<span class="sourceLineNo">323</span> public RegionStates getRegionStates() {<a name="line.323"></a> -<span class="sourceLineNo">324</span> return regionStates;<a name="line.324"></a> -<span class="sourceLineNo">325</span> }<a name="line.325"></a> -<span class="sourceLineNo">326</span><a name="line.326"></a> -<span class="sourceLineNo">327</span> public RegionStateStore getRegionStateStore() {<a name="line.327"></a> -<span class="sourceLineNo">328</span> return regionStateStore;<a name="line.328"></a> -<span class="sourceLineNo">329</span> }<a name="line.329"></a> -<span class="sourceLineNo">330</span><a name="line.330"></a> -<span class="sourceLineNo">331</span> public List<ServerName> getFavoredNodes(final HRegionInfo regionInfo) {<a name="line.331"></a> -<span class="sourceLineNo">332</span> return this.shouldAssignRegionsWithFavoredNodes?<a name="line.332"></a> -<span class="sourceLineNo">333</span> ((FavoredStochasticBalancer)getBalancer()).getFavoredNodes(regionInfo):<a name="line.333"></a> -<span class="sourceLineNo">334</span> ServerName.EMPTY_SERVER_LIST;<a name="line.334"></a> -<span class="sourceLineNo">335</span> }<a name="line.335"></a> -<span class="sourceLineNo">336</span><a name="line.336"></a> -<span class="sourceLineNo">337</span> // ============================================================================================<a name="line.337"></a> -<span class="sourceLineNo">338</span> // Table State Manager helpers<a name="line.338"></a> -<span class="sourceLineNo">339</span> // ============================================================================================<a name="line.339"></a> -<span class="sourceLineNo">340</span> TableStateManager getTableStateManager() {<a name="line.340"></a> -<span class="sourceLineNo">341</span> return master.getTableStateManager();<a name="line.341"></a> -<span class="sourceLineNo">342</span> }<a name="line.342"></a> -<span class="sourceLineNo">343</span><a name="line.343"></a> -<span class="sourceLineNo">344</span> public boolean isTableEnabled(final TableName tableName) {<a name="line.344"></a> -<span class="sourceLineNo">345</span> return getTableStateManager().isTableState(tableName, TableState.State.ENABLED);<a name="line.345"></a> -<span class="sourceLineNo">346</span> }<a name="line.346"></a> -<span class="sourceLineNo">347</span><a name="line.347"></a> -<span class="sourceLineNo">348</span> public boolean isTableDisabled(final TableName tableName) {<a name="line.348"></a> -<span class="sourceLineNo">349</span> return getTableStateManager().isTableState(tableName,<a name="line.349"></a> -<span class="sourceLineNo">350</span> TableState.State.DISABLED, TableState.State.DISABLING);<a name="line.350"></a> -<span class="sourceLineNo">351</span> }<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> // META Helpers<a name="line.354"></a> -<span class="sourceLineNo">355</span> // ============================================================================================<a name="line.355"></a> -<span class="sourceLineNo">356</span> private boolean isMetaRegion(final HRegionInfo regionInfo) {<a name="line.356"></a> -<span class="sourceLineNo">357</span> return regionInfo.isMetaRegion();<a name="line.357"></a> -<span class="sourceLineNo">358</span> }<a name="line.358"></a> -<span class="sourceLineNo">359</span><a name="line.359"></a> -<span class="sourceLineNo">360</span> public boolean isMetaRegion(final byte[] regionName) {<a name="line.360"></a> -<span class="sourceLineNo">361</span> return getMetaRegionFromName(regionName) != null;<a name="line.361"></a> -<span class="sourceLineNo">362</span> }<a name="line.362"></a> -<span class="sourceLineNo">363</span><a name="line.363"></a> -<span class="sourceLineNo">364</span> public HRegionInfo getMetaRegionFromName(final byte[] regionName) {<a name="line.364"></a> -<span class="sourceLineNo">365</span> for (HRegionInfo hri: getMetaRegionSet()) {<a name="line.365"></a> -<span class="sourceLineNo">366</span> if (Bytes.equals(hri.getRegionName(), regionName)) {<a name="line.366"></a> -<span class="sourceLineNo">367</span> return hri;<a name="line.367"></a> -<span class="sourceLineNo">368</span> }<a name="line.368"></a> -<span class="sourceLineNo">369</span> }<a name="line.369"></a> -<span class="sourceLineNo">370</span> return null;<a name="line.370"></a> -<span class="sourceLineNo">371</span> }<a name="line.371"></a> -<span class="sourceLineNo">372</span><a name="line.372"></a> -<span class="sourceLineNo">373</span> public boolean isCarryingMeta(final ServerName serverName) {<a name="line.373"></a> -<span class="sourceLineNo">374</span> for (HRegionInfo hri: getMetaRegionSet()) {<a name="line.374"></a> -<span class="sourceLineNo">375</span> if (isCarryingRegion(serverName, hri)) {<a name="line.375"></a> -<span class="sourceLineNo">376</span> return true;<a name="line.376"></a> -<span class="sourceLineNo">377</span> }<a name="line.377"></a> -<span class="sourceLineNo">378</span> }<a name="line.378"></a> -<span class="sourceLineNo">379</span> return false;<a name="line.379"></a> -<span class="sourceLineNo">380</span> }<a name="line.380"></a> -<span class="sourceLineNo">381</span><a name="line.381"></a> -<span class="sourceLineNo">382</span> private boolean isCarryingRegion(final ServerName serverName, final HRegionInfo regionInfo) {<a name="line.382"></a> -<span class="sourceLineNo">383</span> // TODO: check for state?<a name="line.383"></a> -<span class="sourceLineNo">384</span> final RegionStateNode node = regionStates.getRegionNode(regionInfo);<a name="line.384"></a> -<span class="sourceLineNo">385</span> return(node != null && serverName.equals(node.getRegionLocation()));<a name="line.385"></a> -<span class="sourceLineNo">386</span> }<a name="line.386"></a> -<span class="sourceLineNo">387</span><a name="line.387"></a> -<span class="sourceLineNo">388</span> private HRegionInfo getMetaForRegion(final HRegionInfo regionInfo) {<a name="line.388"></a> -<span class="sourceLineNo">389</span> //if (regionInfo.isMetaRegion()) return regionInfo;<a name="line.389"></a> -<span class="sourceLineNo">390</span> // TODO: handle multiple meta. if the region provided is not meta lookup<a name="line.390"></a> -<span class="sourceLineNo">391</span> // which meta the region belongs to.<a name="line.391"></a> -<span class="sourceLineNo">392</span> return HRegionInfo.FIRST_META_REGIONINFO;<a name="line.392"></a> -<span class="sourceLineNo">393</span> }<a name="line.393"></a> -<span class="sourceLineNo">394</span><a name="line.394"></a> -<span class="sourceLineNo">395</span> // TODO: handle multiple meta.<a name="line.395"></a> -<span class="sourceLineNo">396</span> private static final Set<HRegionInfo> META_REGION_SET =<a name="line.396"></a> -<span class="sourceLineNo">397</span> Collections.singleton(HRegionInfo.FIRST_META_REGIONINFO);<a name="line.397"></a> -<span class="sourceLineNo">398</span> public Set<HRegionInfo> getMetaRegionSet() {<a name="line.398"></a> -<span class="sourceLineNo">399</span> return META_REGION_SET;<a name="line.399"></a> -<span class="sourceLineNo">400</span> }<a name="line.400"></a> -<span class="sourceLineNo">401</span><a name="line.401"></a> -<span class="sourceLineNo">402</span> // ============================================================================================<a name="line.402"></a> -<span class="sourceLineNo">403</span> // META Event(s) helpers<a name="line.403"></a> -<span class="sourceLineNo">404</span> // ============================================================================================<a name="line.404"></a> -<span class="sourceLineNo">405</span> public boolean isMetaInitialized() {<a name="line.405"></a> -<span class="sourceLineNo">406</span> return metaInitializedEvent.isReady();<a name="line.406"></a> -<span class="sourceLineNo">407</span> }<a name="line.407"></a> -<span class="sourceLineNo">408</span><a name="line.408"></a> -<span class="sourceLineNo">409</span> public boolean isMetaRegionInTransition() {<a name="line.409"></a> -<span class="sourceLineNo">410</span> return !isMetaInitialized();<a name="line.410"></a> -<span class="sourceLineNo">411</span> }<a name="line.411"></a> -<span class="sourceLineNo">412</span><a name="line.412"></a> -<span class="sourceLineNo">413</span> public boolean waitMetaInitialized(final Procedure proc) {<a name="line.413"></a> -<span class="sourceLineNo">414</span> // TODO: handle multiple meta. should this wait on all meta?<a name="line.414"></a> -<span class="sourceLineNo">415</span> // this is used by the ServerCrashProcedure...<a name="line.415"></a> -<span class="sourceLineNo">416</span> return waitMetaInitialized(proc, HRegionInfo.FIRST_META_REGIONINFO);<a name="line.416"></a> -<span class="sourceLineNo">417</span> }<a name="line.417"></a> -<span class="sourceLineNo">418</span><a name="line.418"></a> -<span class="sourceLineNo">419</span> public boolean waitMetaInitialized(final Procedure proc, final HRegionInfo regionInfo) {<a name="line.419"></a> -<span class="sourceLineNo">420</span> return getProcedureScheduler().waitEvent(<a name="line.420"></a> -<span class="sourceLineNo">421</span> getMetaInitializedEvent(getMetaForRegion(regionInfo)), proc);<a name="line.421"></a> -<span class="sourceLineNo">422</span> }<a name="line.422"></a> -<span class="sourceLineNo">423</span><a name="line.423"></a> -<span class="sourceLineNo">424</span> private void setMetaInitialized(final HRegionInfo metaRegionInfo, final boolean isInitialized) {<a name="line.424"></a> -<span class="sourceLineNo">425</span> assert isMetaRegion(metaRegionInfo) : "unexpected non-meta region " + metaRegionInfo;<a name="line.425"></a> -<span class="sourceLineNo">426</span> final ProcedureEvent metaInitEvent = getMetaInitializedEvent(metaRegionInfo);<a name="line.426"></a> -<span class="sourceLineNo">427</span> if (isInitialized) {<a name="line.427"></a> -<span class="sourceLineNo">428</span> getProcedureScheduler().wakeEvent(metaInitEvent);<a name="line.428"></a> -<span class="sourceLineNo">429</span> } else {<a name="line.429"></a> -<span class="sourceLineNo">430</span> getProcedureScheduler().suspendEvent(metaInitEvent);<a name="line.430"></a> -<span class="sourceLineNo">431</span> }<a name="line.431"></a> -<span class="sourceLineNo">432</span> }<a name="line.432"></a> -<span class="sourceLineNo">433</span><a name="line.433"></a> -<span class="sourceLineNo">434</span> private ProcedureEvent getMetaInitializedEvent(final HRegionInfo metaRegionInfo) {<a name="line.434"></a> -<span class="sourceLineNo">435</span> assert isMetaRegion(metaRegionInfo) : "unexpected non-meta region " + metaRegionInfo;<a name="line.435"></a> -<span class="sourceLineNo">436</span> // TODO: handle multiple meta.<a name="line.436"></a> -<span class="sourceLineNo">437</span> return metaInitializedEvent;<a name="line.437"></a> -<span class="sourceLineNo">438</span> }<a name="line.438"></a> -<span class="sourceLineNo">439</span><a name="line.439"></a> -<span class="sourceLineNo">440</span> public boolean waitMetaLoaded(final Procedure proc) {<a name="line.440"></a> -<span class="sourceLineNo">441</span> return getProcedureScheduler().waitEvent(metaLoadEvent, proc);<a name="line.441"></a> -<span class="sourceLineNo">442</span> }<a name="line.442"></a> -<span class="sourceLineNo">443</span><a name="line.443"></a> -<span class="sourceLineNo">444</span> protected void wakeMetaLoadedEvent() {<a name="line.444"></a> -<span class="sourceLineNo">445</span> getProcedureScheduler().wakeEvent(metaLoadEvent);<a name="line.445"></a> -<span class="sourceLineNo">446</span> assert isMetaLoaded() : "expected meta to be loaded";<a name="line.446"></a> -<span class="sourceLineNo">447</span> }<a name="line.447"></a> -<span class="sourceLineNo">448</span><a name="line.448"></a> -<span class="sourceLineNo">449</span> public boolean isMetaLoaded() {<a name="line.449"></a> -<span class="sourceLineNo">450</span> return metaLoadEvent.isReady();<a name="line.450"></a> -<span class="sourceLineNo">451</span> }<a name="line.451"></a> -<span class="sourceLineNo">452</span><a name="line.452"></a> -<span class="sourceLineNo">453</span> // ============================================================================================<a name="line.453"></a> -<span class="sourceLineNo">454</span> // TODO: Sync helpers<a name="line.454"></a> -<span class="sourceLineNo">455</span> // ============================================================================================<a name="line.455"></a> -<span class="sourceLineNo">456</span> public void assignMeta(final HRegionInfo metaRegionInfo) throws IOException {<a name="line.456"></a> -<span class="sourceLineNo">457</span> assignMeta(metaRegionInfo, null);<a name="line.457"></a> -<span class="sourceLineNo">458</span> }<a name="line.458"></a> -<span class="sourceLineNo">459</span><a name="line.459"></a> -<span class="sourceLineNo">460</span> public void assignMeta(final HRegionInfo metaRegionInfo, final ServerName serverName)<a name="line.460"></a> -<span class="sourceLineNo">461</span> throws IOException {<a name="line.461"></a> -<span class="sourceLineNo">462</span> assert isMetaRegion(metaRegionInfo) : "unexpected non-meta region " + metaRegionInfo;<a name="line.462"></a> -<span class="sourceLineNo">463</span> AssignProcedure proc;<a name="line.463"></a> -<span class="sourceLineNo">464</span> if (serverName != null) {<a name="line.464"></a> -<span class="sourceLineNo">465</span> LOG.debug("Try assigning Meta " + metaRegionInfo + " to " + serverName);<a name="line.465"></a> -<span class="sourceLineNo">466</span> proc = createAssignProcedure(metaRegionInfo, serverName);<a name="line.466"></a> -<span class="sourceLineNo">467</span> } else {<a name="line.467"></a> -<span class="sourceLineNo">468</span> LOG.debug("Assigning " + metaRegionInfo.getRegionNameAsString());<a name="line.468"></a> -<span class="sourceLineNo">469</span> proc = createAssignProcedure(metaRegionInfo, false);<a name="line.469"></a> -<span class="sourceLineNo">470</span> }<a name="line.470"></a> -<span class="sourceLineNo">471</span> ProcedureSyncWait.submitAndWaitProcedure(master.getMasterProcedureExecutor(), proc);<a name="line.471"></a> -<span class="sourceLineNo">472</span> }<a name="line.472"></a> -<span class="sourceLineNo">473</span><a name="line.473"></a> -<span class="sourceLineNo">474</span> /**<a name="line.474"></a> -<span class="sourceLineNo">475</span> * Start a new thread to check if there are region servers whose versions are higher than others.<a name="line.475"></a> -<span class="sourceLineNo">476</span> * If so, move all system table regions to RS with the highest version to keep compatibility.<a name="line.476"></a> -<span class="sourceLineNo">477</span> * The reason is, RS in new version may not be able to access RS in old version when there are<a name="line.477"></a> -<span class="sourceLineNo">478</span> * some incompatible changes.<a name="line.478"></a> -<span class="sourceLineNo">479</span> */<a name="line.479"></a> -<span class="sourceLineNo">480</span> public void checkIfShouldMoveSystemRegionAsync() {<a name="line.480"></a> -<span class="sourceLineNo">481</span> new Thread(() -> {<a name="line.481"></a> -<span class="sourceLineNo">482</span> try {<a name="line.482"></a> -<span class="sourceLineNo">483</span> synchronized (checkIfShouldMoveSystemRegionLock) {<a name="line.483"></a> -<span class="sourceLineNo">484</span> List<ServerName> serverList = master.getServerManager()<a name="line.484"></a> -<span class="sourceLineNo">485</span> .createDestinationServersList(getExcludedServersForSystemTable());<a name="line.485"></a> -<span class="sourceLineNo">486</span> List<RegionPlan> plans = new ArrayList<>();<a name="line.486"></a> -<span class="sourceLineNo">487</span> for (ServerName server : getExcludedServersForSystemTable()) {<a name="line.487"></a> -<span class="sourceLineNo">488</span> List<HRegionInfo> regionsShouldMove = getCarryingSystemTables(server);<a name="line.488"></a> -<span class="sourceLineNo">489</span> if (!regionsShouldMove.isEmpty()) {<a name="line.489"></a> -<span class="sourceLineNo">490</span> for (HRegionInfo regionInfo : regionsShouldMove) {<a name="line.490"></a> -<span class="sourceLineNo">491</span> RegionPlan plan = new RegionPlan(regionInfo, server,<a name="line.491"></a> -<span class="sourceLineNo">492</span> getBalancer().randomAssignment(regionInfo, serverList));<a name="line.492"></a> -<span class="sourceLineNo">493</span> if (regionInfo.isMetaRegion()) {<a name="line.493"></a> -<span class="sourceLineNo">494</span> // Must move meta region first.<a name="line.494"></a> -<span class="sourceLineNo">495</span> moveAsync(plan);<a name="line.495"></a> -<span class="sourceLineNo">496</span> } else {<a name="line.496"></a> -<span class="sourceLineNo">497</span> plans.add(plan);<a name="line.497"></a> -<span class="sourceLineNo">498</span> }<a name="line.498"></a> -<span class="sourceLineNo">499</span> }<a name="line.499"></a> +<span class="sourceLineNo">254</span> // Update meta events (for testing)<a name="line.254"></a> +<span class="sourceLineNo">255</span> if (hasProcExecutor) {<a name="line.255"></a> +<span class="sourceLineNo">256</span> getProcedureScheduler().suspendEvent(metaLoadEvent);<a name="line.256"></a> +<span class="sourceLineNo">257</span> setFailoverCleanupDone(false);<a name="line.257"></a> +<span class="sourceLineNo">258</span> for (HRegionInfo hri: getMetaRegionSet()) {<a name="line.258"></a> +<span class="sourceLineNo">259</span> setMetaInitialized(hri, false);<a name="line.259"></a> +<span class="sourceLineNo">260</span> }<a name="line.260"></a> +<span class="sourceLineNo">261</span> }<a name="line.261"></a> +<span class="sourceLineNo">262</span> }<a name="line.262"></a> +<span class="sourceLineNo">263</span><a name="line.263"></a> +<span class="sourceLineNo">264</span> public boolean isRunning() {<a name="line.264"></a> +<span class="sourceLineNo">265</span> return running.get();<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> public Configuration getConfiguration() {<a name="line.268"></a> +<span class="sourceLineNo">269</span> return master.getConfiguration();<a name="line.269"></a> +<span class="sourceLineNo">270</span> }<a name="line.270"></a> +<span class="sourceLineNo">271</span><a name="line.271"></a> +<span class="sourceLineNo">272</span> public MetricsAssignmentManager getAssignmentManagerMetrics() {<a name="line.272"></a> +<span class="sourceLineNo">273</span> return metrics;<a name="line.273"></a> +<span class="sourceLineNo">274</span> }<a name="line.274"></a> +<span class="sourceLineNo">275</span><a name="line.275"></a> +<span class="sourceLineNo">276</span> private LoadBalancer getBalancer() {<a name="line.276"></a> +<span class="sourceLineNo">277</span> return master.getLoadBalancer();<a name="line.277"></a> +<span class="sourceLineNo">278</span> }<a name="line.278"></a> +<span class="sourceLineNo">279</span><a name="line.279"></a> +<span class="sourceLineNo">280</span> private MasterProcedureEnv getProcedureEnvironment() {<a name="line.280"></a> +<span class="sourceLineNo">281</span> return master.getMasterProcedureExecutor().getEnvironment();<a name="line.281"></a> +<span class="sourceLineNo">282</span> }<a name="line.282"></a> +<span class="sourceLineNo">283</span><a name="line.283"></a> +<span class="sourceLineNo">284</span> private MasterProcedureScheduler getProcedureScheduler() {<a name="line.284"></a> +<span class="sourceLineNo">285</span> return getProcedureEnvironment().getProcedureScheduler();<a name="line.285"></a> +<span class="sourceLineNo">286</span> }<a name="line.286"></a> +<span class="sourceLineNo">287</span><a name="line.287"></a> +<span class="sourceLineNo">288</span> protected int getAssignMaxAttempts() {<a name="line.288"></a> +<span class="sourceLineNo">289</span> return assignMaxAttempts;<a name="line.289"></a> +<span class="sourceLineNo">290</span> }<a name="line.290"></a> +<span class="sourceLineNo">291</span><a name="line.291"></a> +<span class="sourceLineNo">292</span> /**<a name="line.292"></a> +<span class="sourceLineNo">293</span> * Add the listener to the notification list.<a name="line.293"></a> +<span class="sourceLineNo">294</span> * @param listener The AssignmentListener to register<a name="line.294"></a> +<span class="sourceLineNo">295</span> */<a name="line.295"></a> +<span class="sourceLineNo">296</span> public void registerListener(final AssignmentListener listener) {<a name="line.296"></a> +<span class="sourceLineNo">297</span> this.listeners.add(listener);<a name="line.297"></a> +<span class="sourceLineNo">298</span> }<a name="line.298"></a> +<span class="sourceLineNo">299</span><a name="line.299"></a> +<span class="sourceLineNo">300</span> /**<a name="line.300"></a> +<span class="sourceLineNo">301</span> * Remove the listener from the notification list.<a name="line.301"></a> +<span class="sourceLineNo">302</span> * @param listener The AssignmentListener to unregister<a name="line.302"></a> +<span class="sourceLineNo">303</span> */<a name="line.303"></a> +<span class="sourceLineNo">304</span> public boolean unregisterListener(final AssignmentListener listener) {<a name="line.304"></a> +<span class="sourceLineNo">305</span> return this.listeners.remove(listener);<a name="line.305"></a> +<span class="sourceLineNo">306</span> }<a name="line.306"></a> +<span class="sourceLineNo">307</span><a name="line.307"></a> +<span class="sourceLineNo">308</span> public void setRegionStateListener(final RegionStateListener listener) {<a name="line.308"></a> +<span class="sourceLineNo">309</span> this.regionStateListener = listener;<a name="line.309"></a> +<span class="sourceLineNo">310</span> }<a name="line.310"></a> +<span class="sourceLineNo">311</span><a name="line.311"></a> +<span class="sourceLineNo">312</span> public void setRegionNormalizer(final RegionNormalizer normalizer) {<a name="line.312"></a> +<span class="sourceLineNo">313</span> this.regionNormalizer = normalizer;<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> +<span class="sourceLineNo">316</span> public RegionNormalizer getRegionNormalizer() {<a name="line.316"></a> +<span class="sourceLineNo">317</span> return regionNormalizer;<a name="line.317"></a> +<span class="sourceLineNo">318</span> }<a name="line.318"></a> +<span class="sourceLineNo">319</span><a name="line.319"></a> +<span class="sourceLineNo">320</span> public RegionStates getRegionStates() {<a name="line.320"></a> +<span class="sourceLineNo">321</span> return regionStates;<a name="line.321"></a> +<span class="sourceLineNo">322</span> }<a name="line.322"></a> +<span class="sourceLineNo">323</span><a name="line.323"></a> +<span class="sourceLineNo">324</span> public RegionStateStore getRegionStateStore() {<a name="line.324"></a> +<span class="sourceLineNo">325</span> return regionStateStore;<a name="line.325"></a> +<span class="sourceLineNo">326</span> }<a name="line.326"></a> +<span class="sourceLineNo">327</span><a name="line.327"></a> +<span class="sourceLineNo">328</span> public List<ServerName> getFavoredNodes(final HRegionInfo regionInfo) {<a name="line.328"></a> +<span class="sourceLineNo">329</span> return this.shouldAssignRegionsWithFavoredNodes?<a name="line.329"></a> +<span class="sourceLineNo">330</span> ((FavoredStochasticBalancer)getBalancer()).getFavoredNodes(regionInfo):<a name="line.330"></a> +<span class="sourceLineNo">331</span> ServerName.EMPTY_SERVER_LIST;<a name="line.331"></a> +<span class="sourceLineNo">332</span> }<a name="line.332"></a> +<span class="sourceLineNo">333</span><a name="line.333"></a> +<span class="sourceLineNo">334</span> // ============================================================================================<a name="line.334"></a> +<span class="sourceLineNo">335</span> // Table State Manager helpers<a name="line.335"></a> +<span class="sourceLineNo">336</span> // ============================================================================================<a name="line.336"></a> +<span class="sourceLineNo">337</span> TableStateManager getTableStateManager() {<a name="line.337"></a> +<span class="sourceLineNo">338</span> return master.getTableStateManager();<a name="line.338"></a> +<span class="sourceLineNo">339</span> }<a name="line.339"></a> +<span class="sourceLineNo">340</span><a name="line.340"></a> +<span class="sourceLineNo">341</span> public boolean isTableEnabled(final TableName tableName) {<a name="line.341"></a> +<span class="sourceLineNo">342</span> return getTableStateManager().isTableState(tableName, TableState.State.ENABLED);<a name="line.342"></a> +<span class="sourceLineNo">343</span> }<a name="line.343"></a> +<span class="sourceLineNo">344</span><a name="line.344"></a> +<span class="sourceLineNo">345</span> public boolean isTableDisabled(final TableName tableName) {<a name="line.345"></a> +<span class="sourceLineNo">346</span> return getTableStateManager().isTableState(tableName,<a name="line.346"></a> +<span class="sourceLineNo">347</span> TableState.State.DISABLED, TableState.State.DISABLING);<a name="line.347"></a> +<span class="sourceLineNo">348</span> }<a name="line.348"></a> +<span class="sourceLineNo">349</span><a name="line.349"></a> +<span class="sourceLineNo">350</span> // ============================================================================================<a name="line.350"></a> +<span class="sourceLineNo">351</span> // META Helpers<a name="line.351"></a> +<span class="sourceLineNo">352</span> // ============================================================================================<a name="line.352"></a> +<span class="sourceLineNo">353</span> private boolean isMetaRegion(final HRegionInfo regionInfo) {<a name="line.353"></a> +<span class="sourceLineNo">354</span> return regionInfo.isMetaRegion();<a name="line.354"></a> +<span class="sourceLineNo">355</span> }<a name="line.355"></a> +<span class="sourceLineNo">356</span><a name="line.356"></a> +<span class="sourceLineNo">357</span> public boolean isMetaRegion(final byte[] regionName) {<a name="line.357"></a> +<span class="sourceLineNo">358</span> return getMetaRegionFromName(regionName) != null;<a name="line.358"></a> +<span class="sourceLineNo">359</span> }<a name="line.359"></a> +<span class="sourceLineNo">360</span><a name="line.360"></a> +<span class="sourceLineNo">361</span> public HRegionInfo getMetaRegionFromName(final byte[] regionName) {<a name="line.361"></a> +<span class="sourceLineNo">362</span> for (HRegionInfo hri: getMetaRegionSet()) {<a name="line.362"></a> +<span class="sourceLineNo">363</span> if (Bytes.equals(hri.getRegionName(), regionName)) {<a name="line.363"></a> +<span class="sourceLineNo">364</span> return hri;<a name="line.364"></a> +<span class="sourceLineNo">365</span> }<a name="line.365"></a> +<span class="sourceLineNo">366</span> }<a name="line.366"></a> +<span class="sourceLineNo">367</span> return null;<a name="line.367"></a> +<span class="sourceLineNo">368</span> }<a name="line.368"></a> +<span class="sourceLineNo">369</span><a name="line.369"></a> +<span class="sourceLineNo">370</span> public boolean isCarryingMeta(final ServerName serverName) {<a name="line.370"></a> +<span class="sourceLineNo">371</span> for (HRegionInfo hri: getMetaRegionSet()) {<a name="line.371"></a> +<span class="sourceLineNo">372</span> if (isCarryingRegion(serverName, hri)) {<a name="line.372"></a> +<span class="sourceLineNo">373</span> return true;<a name="line.373"></a> +<span class="sourceLineNo">374</span> }<a name="line.374"></a> +<span class="sourceLineNo">375</span> }<a name="line.375"></a> +<span class="sourceLineNo">376</span> return false;<a name="line.376"></a> +<span class="sourceLineNo">377</span> }<a name="line.377"></a> +<span class="sourceLineNo">378</span><a name="line.378"></a> +<span class="sourceLineNo">379</span> private boolean isCarryingRegion(final ServerName serverName, final HRegionInfo regionInfo) {<a name="line.379"></a> +<span class="sourceLineNo">380</span> // TODO: check for state?<a name="line.380"></a> +<span class="sourceLineNo">381</span> final RegionStateNode node = regionStates.getRegionNode(regionInfo);<a name="line.381"></a> +<span class="sourceLineNo">382</span> return(node != null && serverName.equals(node.getRegionLocation()));<a name="line.382"></a> +<span class="sourceLineNo">383</span> }<a name="line.383"></a> +<span class="sourceLineNo">384</span><a name="line.384"></a> +<span class="sourceLineNo">385</span> private HRegionInfo getMetaForRegion(final HRegionInfo regionInfo) {<a name="line.385"></a> +<span class="sourceLineNo">386</span> //if (regionInfo.isMetaRegion()) return regionInfo;<a name="line.386"></a> +<span class="sourceLineNo">387</span> // TODO: handle multiple meta. if the region provided is not meta lookup<a name="line.387"></a> +<span class="sourceLineNo">388</span> // which meta the region belongs to.<a name="line.388"></a> +<span class="sourceLineNo">389</span> return HRegionInfo.FIRST_META_REGIONINFO;<a name="line.389"></a> +<span class="sourceLineNo">390</span> }<a name="line.390"></a> +<span class="sourceLineNo">391</span><a name="line.391"></a> +<span class="sourceLineNo">392</span> // TODO: handle multiple meta.<a name="line.392"></a> +<span class="sourceLineNo">393</span> private static final Set<HRegionInfo> META_REGION_SET =<a name="line.393"></a> +<span class="sourceLineNo">394</span> Collections.singleton(HRegionInfo.FIRST_META_REGIONINFO);<a name="line.394"></a> +<span class="sourceLineNo">395</span> public Set<HRegionInfo> getMetaRegionSet() {<a name="line.395"></a> +<span class="sourceLineNo">396</span> return META_REGION_SET;<a name="line.396"></a> +<span class="sourceLineNo">397</span> }<a name="line.397"></a> +<span class="sourceLineNo">398</span><a name="line.398"></a> +<span class="sourceLineNo">399</span> // ============================================================================================<a name="line.399"></a> +<span class="sourceLineNo">400</span> // META Event(s) helpers<a name="line.400"></a> +<span class="sourceLineNo">401</span> // ============================================================================================<a name="line.401"></a> +<span class="sourceLineNo">402</span> public boolean isMetaInitialized() {<a name="line.402"></a> +<span class="sourceLineNo">403</span> return metaInitializedEvent.isReady();<a name="line.403"></a> +<span class="sourceLineNo">404</span> }<a name="line.404"></a> +<span class="sourceLineNo">405</span><a name="line.405"></a> +<span class="sourceLineNo">406</span> public boolean isMetaRegionInTransition() {<a name="line.406"></a> +<span class="sourceLineNo">407</span> return !isMetaInitialized();<a name="line.407"></a> +<span class="sourceLineNo">408</span> }<a name="line.408"></a> +<span class="sourceLineNo">409</span><a name="line.409"></a> +<span class="sourceLineNo">410</span> public boolean waitMetaInitialized(final Procedure proc) {<a name="line.410"></a> +<span class="sourceLineNo">411</span> // TODO: handle multiple meta. should this wait on all meta?<a name="line.411"></a> +<span class="sourceLineNo">412</span> // this is used by the ServerCrashProcedure...<a name="line.412"></a> +<span class="sourceLineNo">413</span> return waitMetaInitialized(proc, HRegionInfo.FIRST_META_REGIONINFO);<a name="line.413"></a> +<span class="sourceLineNo">414</span> }<a name="line.414"></a> +<span class="sourceLineNo">415</span><a name="line.415"></a> +<span class="sourceLineNo">416</span> public boolean waitMetaInitialized(final Procedure proc, final HRegionInfo regionInfo) {<a name="line.416"></a> +<span class="sourceLineNo">417</span> return getProcedureScheduler().waitEvent(<a name="line.417"></a> +<span class="sourceLineNo">418</span> getMetaInitializedEvent(getMetaForRegion(regionInfo)), proc);<a name="line.418"></a> +<span class="sourceLineNo">419</span> }<a name="line.419"></a> +<span class="sourceLineNo">420</span><a name="line.420"></a> +<span class="sourceLineNo">421</span> private void setMetaInitialized(final HRegionInfo metaRegionInfo, final boolean isInitialized) {<a name="line.421"></a> +<span class="sourceLineNo">422</span> assert isMetaRegion(metaRegionInfo) : "unexpected non-meta region " + metaRegionInfo;<a name="line.422"></a> +<span class="sourceLineNo">423</span> final ProcedureEvent metaInitEvent = getMetaInitializedEvent(metaRegionInfo);<a name="line.423"></a> +<span class="sourceLineNo">424</span> if (isInitialized) {<a name="line.424"></a> +<span class="sourceLineNo">425</span> getProcedureScheduler().wakeEvent(metaInitEvent);<a name="line.425"></a> +<span class="sourceLineNo">426</span> } else {<a name="line.426"></a> +<span class="sourceLineNo">427</span> getProcedureScheduler().suspendEvent(metaInitEvent);<a name="line.427"></a> +<span class="sourceLineNo">428</span> }<a name="line.428"></a> +<span class="sourceLineNo">429</span> }<a name="line.429"></a> +<span class="sourceLineNo">430</span><a name="line.430"></a> +<span class="sourceLineNo">431</span> private ProcedureEvent getMetaInitializedEvent(final HRegionInfo metaRegionInfo) {<a name="line.431"></a> +<span class="sourceLineNo">432</span> assert isMetaRegion(metaRegionInfo) : "unexpected non-meta region " + metaRegionInfo;<a name="line.432"></a> +<span class="sourceLineNo">433</span> // TODO: handle multiple meta.<a name="line.433"></a> +<span class="sourceLineNo">434</span> return metaInitializedEvent;<a name="line.434"></a> +<span class="sourceLineNo">435</span> }<a name="line.435"></a> +<span class="sourceLineNo">436</span><a name="line.436"></a> +<span class="sourceLineNo">437</span> public boolean waitMetaLoaded(final Procedure proc) {<a name="line.437"></a> +<span class="sourceLineNo">438</span> return getProcedureScheduler().waitEvent(metaLoadEvent, proc);<a name="line.438"></a> +<span class="sourceLineNo">439</span> }<a name="line.439"></a> +<span class="sourceLine
<TRUNCATED>
