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Posted to commits@hbase.apache.org by gi...@apache.org on 2018/09/30 14:51:37 UTC
[05/12] hbase-site git commit: Published site at
f9d51b67e45f1f213c37b14bfe96e442bc71a995.
http://git-wip-us.apache.org/repos/asf/hbase-site/blob/57753ca7/devapidocs/src-html/org/apache/hadoop/hbase/master/replication/SyncReplicationReplayWALProcedure.html
----------------------------------------------------------------------
diff --git a/devapidocs/src-html/org/apache/hadoop/hbase/master/replication/SyncReplicationReplayWALProcedure.html b/devapidocs/src-html/org/apache/hadoop/hbase/master/replication/SyncReplicationReplayWALProcedure.html
index 60f15bb..a3f1210 100644
--- a/devapidocs/src-html/org/apache/hadoop/hbase/master/replication/SyncReplicationReplayWALProcedure.html
+++ b/devapidocs/src-html/org/apache/hadoop/hbase/master/replication/SyncReplicationReplayWALProcedure.html
@@ -31,138 +31,138 @@
<span class="sourceLineNo">023</span><a name="line.23"></a>
<span class="sourceLineNo">024</span>import org.apache.hadoop.hbase.ServerName;<a name="line.24"></a>
<span class="sourceLineNo">025</span>import org.apache.hadoop.hbase.master.procedure.MasterProcedureEnv;<a name="line.25"></a>
-<span class="sourceLineNo">026</span>import org.apache.hadoop.hbase.master.procedure.PeerProcedureInterface;<a name="line.26"></a>
-<span class="sourceLineNo">027</span>import org.apache.hadoop.hbase.procedure2.ProcedureStateSerializer;<a name="line.27"></a>
-<span class="sourceLineNo">028</span>import org.apache.hadoop.hbase.procedure2.ProcedureSuspendedException;<a name="line.28"></a>
-<span class="sourceLineNo">029</span>import org.apache.hadoop.hbase.procedure2.ProcedureYieldException;<a name="line.29"></a>
-<span class="sourceLineNo">030</span>import org.apache.hadoop.hbase.procedure2.StateMachineProcedure;<a name="line.30"></a>
-<span class="sourceLineNo">031</span>import org.apache.hadoop.hbase.replication.ReplicationException;<a name="line.31"></a>
-<span class="sourceLineNo">032</span>import org.apache.yetus.audience.InterfaceAudience;<a name="line.32"></a>
-<span class="sourceLineNo">033</span>import org.slf4j.Logger;<a name="line.33"></a>
-<span class="sourceLineNo">034</span>import org.slf4j.LoggerFactory;<a name="line.34"></a>
-<span class="sourceLineNo">035</span><a name="line.35"></a>
-<span class="sourceLineNo">036</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProcedureProtos.SyncReplicationReplayWALState;<a name="line.36"></a>
-<span class="sourceLineNo">037</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProcedureProtos.SyncReplicationReplayWALStateData;<a name="line.37"></a>
-<span class="sourceLineNo">038</span><a name="line.38"></a>
-<span class="sourceLineNo">039</span>@InterfaceAudience.Private<a name="line.39"></a>
-<span class="sourceLineNo">040</span>public class SyncReplicationReplayWALProcedure<a name="line.40"></a>
-<span class="sourceLineNo">041</span> extends StateMachineProcedure<MasterProcedureEnv, SyncReplicationReplayWALState><a name="line.41"></a>
-<span class="sourceLineNo">042</span> implements PeerProcedureInterface {<a name="line.42"></a>
+<span class="sourceLineNo">026</span>import org.apache.hadoop.hbase.procedure2.ProcedureStateSerializer;<a name="line.26"></a>
+<span class="sourceLineNo">027</span>import org.apache.hadoop.hbase.procedure2.ProcedureSuspendedException;<a name="line.27"></a>
+<span class="sourceLineNo">028</span>import org.apache.hadoop.hbase.procedure2.ProcedureUtil;<a name="line.28"></a>
+<span class="sourceLineNo">029</span>import org.apache.hadoop.hbase.replication.ReplicationException;<a name="line.29"></a>
+<span class="sourceLineNo">030</span>import org.apache.yetus.audience.InterfaceAudience;<a name="line.30"></a>
+<span class="sourceLineNo">031</span>import org.slf4j.Logger;<a name="line.31"></a>
+<span class="sourceLineNo">032</span>import org.slf4j.LoggerFactory;<a name="line.32"></a>
+<span class="sourceLineNo">033</span><a name="line.33"></a>
+<span class="sourceLineNo">034</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProcedureProtos.SyncReplicationReplayWALState;<a name="line.34"></a>
+<span class="sourceLineNo">035</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProcedureProtos.SyncReplicationReplayWALStateData;<a name="line.35"></a>
+<span class="sourceLineNo">036</span><a name="line.36"></a>
+<span class="sourceLineNo">037</span>@InterfaceAudience.Private<a name="line.37"></a>
+<span class="sourceLineNo">038</span>public class SyncReplicationReplayWALProcedure<a name="line.38"></a>
+<span class="sourceLineNo">039</span> extends AbstractPeerProcedure<SyncReplicationReplayWALState> {<a name="line.39"></a>
+<span class="sourceLineNo">040</span><a name="line.40"></a>
+<span class="sourceLineNo">041</span> private static final Logger LOG =<a name="line.41"></a>
+<span class="sourceLineNo">042</span> LoggerFactory.getLogger(SyncReplicationReplayWALProcedure.class);<a name="line.42"></a>
<span class="sourceLineNo">043</span><a name="line.43"></a>
-<span class="sourceLineNo">044</span> private static final Logger LOG =<a name="line.44"></a>
-<span class="sourceLineNo">045</span> LoggerFactory.getLogger(SyncReplicationReplayWALProcedure.class);<a name="line.45"></a>
-<span class="sourceLineNo">046</span><a name="line.46"></a>
-<span class="sourceLineNo">047</span> private String peerId;<a name="line.47"></a>
-<span class="sourceLineNo">048</span><a name="line.48"></a>
-<span class="sourceLineNo">049</span> private ServerName worker = null;<a name="line.49"></a>
+<span class="sourceLineNo">044</span> private ServerName worker = null;<a name="line.44"></a>
+<span class="sourceLineNo">045</span><a name="line.45"></a>
+<span class="sourceLineNo">046</span> private List<String> wals;<a name="line.46"></a>
+<span class="sourceLineNo">047</span><a name="line.47"></a>
+<span class="sourceLineNo">048</span> public SyncReplicationReplayWALProcedure() {<a name="line.48"></a>
+<span class="sourceLineNo">049</span> }<a name="line.49"></a>
<span class="sourceLineNo">050</span><a name="line.50"></a>
-<span class="sourceLineNo">051</span> private List<String> wals;<a name="line.51"></a>
-<span class="sourceLineNo">052</span><a name="line.52"></a>
-<span class="sourceLineNo">053</span> public SyncReplicationReplayWALProcedure() {<a name="line.53"></a>
+<span class="sourceLineNo">051</span> public SyncReplicationReplayWALProcedure(String peerId, List<String> wals) {<a name="line.51"></a>
+<span class="sourceLineNo">052</span> this.peerId = peerId;<a name="line.52"></a>
+<span class="sourceLineNo">053</span> this.wals = wals;<a name="line.53"></a>
<span class="sourceLineNo">054</span> }<a name="line.54"></a>
<span class="sourceLineNo">055</span><a name="line.55"></a>
-<span class="sourceLineNo">056</span> public SyncReplicationReplayWALProcedure(String peerId, List<String> wals) {<a name="line.56"></a>
-<span class="sourceLineNo">057</span> this.peerId = peerId;<a name="line.57"></a>
-<span class="sourceLineNo">058</span> this.wals = wals;<a name="line.58"></a>
-<span class="sourceLineNo">059</span> }<a name="line.59"></a>
-<span class="sourceLineNo">060</span><a name="line.60"></a>
-<span class="sourceLineNo">061</span> @Override protected Flow executeFromState(MasterProcedureEnv env,<a name="line.61"></a>
-<span class="sourceLineNo">062</span> SyncReplicationReplayWALState state)<a name="line.62"></a>
-<span class="sourceLineNo">063</span> throws ProcedureSuspendedException, ProcedureYieldException, InterruptedException {<a name="line.63"></a>
-<span class="sourceLineNo">064</span> SyncReplicationReplayWALManager syncReplicationReplayWALManager =<a name="line.64"></a>
-<span class="sourceLineNo">065</span> env.getMasterServices().getSyncReplicationReplayWALManager();<a name="line.65"></a>
-<span class="sourceLineNo">066</span> switch (state) {<a name="line.66"></a>
-<span class="sourceLineNo">067</span> case ASSIGN_WORKER:<a name="line.67"></a>
-<span class="sourceLineNo">068</span> try {<a name="line.68"></a>
-<span class="sourceLineNo">069</span> worker = syncReplicationReplayWALManager.getPeerWorker(peerId);<a name="line.69"></a>
-<span class="sourceLineNo">070</span> } catch (ReplicationException e) {<a name="line.70"></a>
-<span class="sourceLineNo">071</span> LOG.info("Failed to get worker to replay wals {} for peer id={}, retry", wals, peerId);<a name="line.71"></a>
-<span class="sourceLineNo">072</span> throw new ProcedureYieldException();<a name="line.72"></a>
-<span class="sourceLineNo">073</span> }<a name="line.73"></a>
-<span class="sourceLineNo">074</span> if (worker == null) {<a name="line.74"></a>
-<span class="sourceLineNo">075</span> LOG.info("No worker to replay wals {} for peer id={}, retry", wals, peerId);<a name="line.75"></a>
-<span class="sourceLineNo">076</span> setNextState(SyncReplicationReplayWALState.ASSIGN_WORKER);<a name="line.76"></a>
-<span class="sourceLineNo">077</span> } else {<a name="line.77"></a>
-<span class="sourceLineNo">078</span> setNextState(SyncReplicationReplayWALState.DISPATCH_WALS_TO_WORKER);<a name="line.78"></a>
-<span class="sourceLineNo">079</span> }<a name="line.79"></a>
-<span class="sourceLineNo">080</span> return Flow.HAS_MORE_STATE;<a name="line.80"></a>
-<span class="sourceLineNo">081</span> case DISPATCH_WALS_TO_WORKER:<a name="line.81"></a>
-<span class="sourceLineNo">082</span> addChildProcedure(new SyncReplicationReplayWALRemoteProcedure(peerId, wals, worker));<a name="line.82"></a>
-<span class="sourceLineNo">083</span> setNextState(SyncReplicationReplayWALState.RELEASE_WORKER);<a name="line.83"></a>
-<span class="sourceLineNo">084</span> return Flow.HAS_MORE_STATE;<a name="line.84"></a>
-<span class="sourceLineNo">085</span> case RELEASE_WORKER:<a name="line.85"></a>
-<span class="sourceLineNo">086</span> boolean finished = false;<a name="line.86"></a>
-<span class="sourceLineNo">087</span> try {<a name="line.87"></a>
-<span class="sourceLineNo">088</span> finished = syncReplicationReplayWALManager.isReplayWALFinished(wals.get(0));<a name="line.88"></a>
-<span class="sourceLineNo">089</span> } catch (IOException e) {<a name="line.89"></a>
-<span class="sourceLineNo">090</span> LOG.info("Failed to check whether replay wals {} finished for peer id={}", wals, peerId);<a name="line.90"></a>
-<span class="sourceLineNo">091</span> throw new ProcedureYieldException();<a name="line.91"></a>
-<span class="sourceLineNo">092</span> }<a name="line.92"></a>
-<span class="sourceLineNo">093</span> try {<a name="line.93"></a>
-<span class="sourceLineNo">094</span> syncReplicationReplayWALManager.removePeerWorker(peerId, worker);<a name="line.94"></a>
-<span class="sourceLineNo">095</span> } catch (ReplicationException e) {<a name="line.95"></a>
-<span class="sourceLineNo">096</span> LOG.info("Failed to remove worker for peer id={}, retry", peerId);<a name="line.96"></a>
-<span class="sourceLineNo">097</span> throw new ProcedureYieldException();<a name="line.97"></a>
-<span class="sourceLineNo">098</span> }<a name="line.98"></a>
-<span class="sourceLineNo">099</span> if (!finished) {<a name="line.99"></a>
-<span class="sourceLineNo">100</span> LOG.info("Failed to replay wals {} for peer id={}, retry", wals, peerId);<a name="line.100"></a>
-<span class="sourceLineNo">101</span> setNextState(SyncReplicationReplayWALState.ASSIGN_WORKER);<a name="line.101"></a>
-<span class="sourceLineNo">102</span> return Flow.HAS_MORE_STATE;<a name="line.102"></a>
-<span class="sourceLineNo">103</span> }<a name="line.103"></a>
-<span class="sourceLineNo">104</span> return Flow.NO_MORE_STATE;<a name="line.104"></a>
-<span class="sourceLineNo">105</span> default:<a name="line.105"></a>
-<span class="sourceLineNo">106</span> throw new UnsupportedOperationException("unhandled state=" + state);<a name="line.106"></a>
-<span class="sourceLineNo">107</span> }<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 void rollbackState(MasterProcedureEnv env,<a name="line.111"></a>
-<span class="sourceLineNo">112</span> SyncReplicationReplayWALState state)<a name="line.112"></a>
-<span class="sourceLineNo">113</span> throws IOException, InterruptedException {<a name="line.113"></a>
-<span class="sourceLineNo">114</span> if (state == getInitialState()) {<a name="line.114"></a>
-<span class="sourceLineNo">115</span> return;<a name="line.115"></a>
-<span class="sourceLineNo">116</span> }<a name="line.116"></a>
-<span class="sourceLineNo">117</span> throw new UnsupportedOperationException();<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> protected SyncReplicationReplayWALState getState(int state) {<a name="line.121"></a>
-<span class="sourceLineNo">122</span> return SyncReplicationReplayWALState.forNumber(state);<a name="line.122"></a>
+<span class="sourceLineNo">056</span> @Override<a name="line.56"></a>
+<span class="sourceLineNo">057</span> protected Flow executeFromState(MasterProcedureEnv env, SyncReplicationReplayWALState state)<a name="line.57"></a>
+<span class="sourceLineNo">058</span> throws ProcedureSuspendedException {<a name="line.58"></a>
+<span class="sourceLineNo">059</span> SyncReplicationReplayWALManager syncReplicationReplayWALManager =<a name="line.59"></a>
+<span class="sourceLineNo">060</span> env.getMasterServices().getSyncReplicationReplayWALManager();<a name="line.60"></a>
+<span class="sourceLineNo">061</span> switch (state) {<a name="line.61"></a>
+<span class="sourceLineNo">062</span> case ASSIGN_WORKER:<a name="line.62"></a>
+<span class="sourceLineNo">063</span> try {<a name="line.63"></a>
+<span class="sourceLineNo">064</span> worker = syncReplicationReplayWALManager.getPeerWorker(peerId);<a name="line.64"></a>
+<span class="sourceLineNo">065</span> } catch (ReplicationException e) {<a name="line.65"></a>
+<span class="sourceLineNo">066</span> long backoff = ProcedureUtil.getBackoffTimeMs(attempts);<a name="line.66"></a>
+<span class="sourceLineNo">067</span> LOG.warn("Failed to get worker to replay wals {} for peer id={}, sleep {} secs and retry",<a name="line.67"></a>
+<span class="sourceLineNo">068</span> wals, peerId, backoff / 1000, e);<a name="line.68"></a>
+<span class="sourceLineNo">069</span> throw suspend(backoff);<a name="line.69"></a>
+<span class="sourceLineNo">070</span> }<a name="line.70"></a>
+<span class="sourceLineNo">071</span> if (worker == null) {<a name="line.71"></a>
+<span class="sourceLineNo">072</span> long backoff = ProcedureUtil.getBackoffTimeMs(attempts);<a name="line.72"></a>
+<span class="sourceLineNo">073</span> LOG.info("No worker to replay wals {} for peer id={}, sleep {} secs and retry", wals,<a name="line.73"></a>
+<span class="sourceLineNo">074</span> peerId, backoff / 1000);<a name="line.74"></a>
+<span class="sourceLineNo">075</span> throw suspend(backoff);<a name="line.75"></a>
+<span class="sourceLineNo">076</span> }<a name="line.76"></a>
+<span class="sourceLineNo">077</span> attempts = 0;<a name="line.77"></a>
+<span class="sourceLineNo">078</span> setNextState(SyncReplicationReplayWALState.DISPATCH_WALS_TO_WORKER);<a name="line.78"></a>
+<span class="sourceLineNo">079</span> return Flow.HAS_MORE_STATE;<a name="line.79"></a>
+<span class="sourceLineNo">080</span> case DISPATCH_WALS_TO_WORKER:<a name="line.80"></a>
+<span class="sourceLineNo">081</span> addChildProcedure(new SyncReplicationReplayWALRemoteProcedure(peerId, wals, worker));<a name="line.81"></a>
+<span class="sourceLineNo">082</span> setNextState(SyncReplicationReplayWALState.RELEASE_WORKER);<a name="line.82"></a>
+<span class="sourceLineNo">083</span> return Flow.HAS_MORE_STATE;<a name="line.83"></a>
+<span class="sourceLineNo">084</span> case RELEASE_WORKER:<a name="line.84"></a>
+<span class="sourceLineNo">085</span> boolean finished = false;<a name="line.85"></a>
+<span class="sourceLineNo">086</span> try {<a name="line.86"></a>
+<span class="sourceLineNo">087</span> finished = syncReplicationReplayWALManager.isReplayWALFinished(wals.get(0));<a name="line.87"></a>
+<span class="sourceLineNo">088</span> } catch (IOException e) {<a name="line.88"></a>
+<span class="sourceLineNo">089</span> long backoff = ProcedureUtil.getBackoffTimeMs(attempts);<a name="line.89"></a>
+<span class="sourceLineNo">090</span> LOG.warn("Failed to check whether replay wals {} finished for peer id={}" +<a name="line.90"></a>
+<span class="sourceLineNo">091</span> ", sleep {} secs and retry",<a name="line.91"></a>
+<span class="sourceLineNo">092</span> wals, peerId, backoff / 1000, e);<a name="line.92"></a>
+<span class="sourceLineNo">093</span> throw suspend(backoff);<a name="line.93"></a>
+<span class="sourceLineNo">094</span> }<a name="line.94"></a>
+<span class="sourceLineNo">095</span> try {<a name="line.95"></a>
+<span class="sourceLineNo">096</span> syncReplicationReplayWALManager.removePeerWorker(peerId, worker);<a name="line.96"></a>
+<span class="sourceLineNo">097</span> } catch (ReplicationException e) {<a name="line.97"></a>
+<span class="sourceLineNo">098</span> long backoff = ProcedureUtil.getBackoffTimeMs(attempts);<a name="line.98"></a>
+<span class="sourceLineNo">099</span> LOG.warn("Failed to remove worker {} for peer id={}, sleep {} secs and retry", worker,<a name="line.99"></a>
+<span class="sourceLineNo">100</span> peerId, backoff / 1000, e);<a name="line.100"></a>
+<span class="sourceLineNo">101</span> throw suspend(backoff);<a name="line.101"></a>
+<span class="sourceLineNo">102</span> }<a name="line.102"></a>
+<span class="sourceLineNo">103</span> attempts = 0;<a name="line.103"></a>
+<span class="sourceLineNo">104</span> if (!finished) {<a name="line.104"></a>
+<span class="sourceLineNo">105</span> LOG.warn("Failed to replay wals {} for peer id={}, retry", wals, peerId);<a name="line.105"></a>
+<span class="sourceLineNo">106</span> setNextState(SyncReplicationReplayWALState.ASSIGN_WORKER);<a name="line.106"></a>
+<span class="sourceLineNo">107</span> return Flow.HAS_MORE_STATE;<a name="line.107"></a>
+<span class="sourceLineNo">108</span> }<a name="line.108"></a>
+<span class="sourceLineNo">109</span> return Flow.NO_MORE_STATE;<a name="line.109"></a>
+<span class="sourceLineNo">110</span> default:<a name="line.110"></a>
+<span class="sourceLineNo">111</span> throw new UnsupportedOperationException("unhandled state=" + state);<a name="line.111"></a>
+<span class="sourceLineNo">112</span> }<a name="line.112"></a>
+<span class="sourceLineNo">113</span> }<a name="line.113"></a>
+<span class="sourceLineNo">114</span><a name="line.114"></a>
+<span class="sourceLineNo">115</span> @Override<a name="line.115"></a>
+<span class="sourceLineNo">116</span> protected void rollbackState(MasterProcedureEnv env,<a name="line.116"></a>
+<span class="sourceLineNo">117</span> SyncReplicationReplayWALState state)<a name="line.117"></a>
+<span class="sourceLineNo">118</span> throws IOException, InterruptedException {<a name="line.118"></a>
+<span class="sourceLineNo">119</span> if (state == getInitialState()) {<a name="line.119"></a>
+<span class="sourceLineNo">120</span> return;<a name="line.120"></a>
+<span class="sourceLineNo">121</span> }<a name="line.121"></a>
+<span class="sourceLineNo">122</span> throw new UnsupportedOperationException();<a name="line.122"></a>
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<span class="sourceLineNo">124</span><a name="line.124"></a>
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-<span class="sourceLineNo">127</span> SyncReplicationReplayWALState state) {<a name="line.127"></a>
-<span class="sourceLineNo">128</span> return state.getNumber();<a name="line.128"></a>
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-<span class="sourceLineNo">133</span> return SyncReplicationReplayWALState.ASSIGN_WORKER;<a name="line.133"></a>
+<span class="sourceLineNo">126</span> protected SyncReplicationReplayWALState getState(int state) {<a name="line.126"></a>
+<span class="sourceLineNo">127</span> return SyncReplicationReplayWALState.forNumber(state);<a name="line.127"></a>
+<span class="sourceLineNo">128</span> }<a name="line.128"></a>
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+<span class="sourceLineNo">130</span> @Override<a name="line.130"></a>
+<span class="sourceLineNo">131</span> protected int getStateId(<a name="line.131"></a>
+<span class="sourceLineNo">132</span> SyncReplicationReplayWALState state) {<a name="line.132"></a>
+<span class="sourceLineNo">133</span> return state.getNumber();<a name="line.133"></a>
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<span class="sourceLineNo">135</span><a name="line.135"></a>
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-<span class="sourceLineNo">139</span> SyncReplicationReplayWALStateData.Builder builder =<a name="line.139"></a>
-<span class="sourceLineNo">140</span> SyncReplicationReplayWALStateData.newBuilder();<a name="line.140"></a>
-<span class="sourceLineNo">141</span> builder.setPeerId(peerId);<a name="line.141"></a>
-<span class="sourceLineNo">142</span> wals.stream().forEach(builder::addWal);<a name="line.142"></a>
-<span class="sourceLineNo">143</span> serializer.serialize(builder.build());<a name="line.143"></a>
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-<span class="sourceLineNo">146</span> @Override<a name="line.146"></a>
-<span class="sourceLineNo">147</span> protected void deserializeStateData(ProcedureStateSerializer serializer) throws IOException {<a name="line.147"></a>
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