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| <pre><span class="sourceLineNo">001</span>/**<a name="line.1"></a> |
| <span class="sourceLineNo">002</span> * Licensed to the Apache Software Foundation (ASF) under one<a name="line.2"></a> |
| <span class="sourceLineNo">003</span> * or more contributor license agreements. See the NOTICE file<a name="line.3"></a> |
| <span class="sourceLineNo">004</span> * distributed with this work for additional information<a name="line.4"></a> |
| <span class="sourceLineNo">005</span> * regarding copyright ownership. The ASF licenses this file<a name="line.5"></a> |
| <span class="sourceLineNo">006</span> * to you under the Apache License, Version 2.0 (the<a name="line.6"></a> |
| <span class="sourceLineNo">007</span> * "License"); you may not use this file except in compliance<a name="line.7"></a> |
| <span class="sourceLineNo">008</span> * with the License. You may obtain a copy of the License at<a name="line.8"></a> |
| <span class="sourceLineNo">009</span> *<a name="line.9"></a> |
| <span class="sourceLineNo">010</span> * http://www.apache.org/licenses/LICENSE-2.0<a name="line.10"></a> |
| <span class="sourceLineNo">011</span> *<a name="line.11"></a> |
| <span class="sourceLineNo">012</span> * Unless required by applicable law or agreed to in writing, software<a name="line.12"></a> |
| <span class="sourceLineNo">013</span> * distributed under the License is distributed on an "AS IS" BASIS,<a name="line.13"></a> |
| <span class="sourceLineNo">014</span> * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.<a name="line.14"></a> |
| <span class="sourceLineNo">015</span> * See the License for the specific language governing permissions and<a name="line.15"></a> |
| <span class="sourceLineNo">016</span> * limitations under the License.<a name="line.16"></a> |
| <span class="sourceLineNo">017</span> */<a name="line.17"></a> |
| <span class="sourceLineNo">018</span>package org.apache.hadoop.hbase.master.replication;<a name="line.18"></a> |
| <span class="sourceLineNo">019</span><a name="line.19"></a> |
| <span class="sourceLineNo">020</span>import java.io.IOException;<a name="line.20"></a> |
| <span class="sourceLineNo">021</span>import java.util.List;<a name="line.21"></a> |
| <span class="sourceLineNo">022</span>import org.apache.hadoop.hbase.ServerName;<a name="line.22"></a> |
| <span class="sourceLineNo">023</span>import org.apache.hadoop.hbase.master.procedure.MasterProcedureEnv;<a name="line.23"></a> |
| <span class="sourceLineNo">024</span>import org.apache.hadoop.hbase.procedure2.ProcedureStateSerializer;<a name="line.24"></a> |
| <span class="sourceLineNo">025</span>import org.apache.hadoop.hbase.procedure2.ProcedureSuspendedException;<a name="line.25"></a> |
| <span class="sourceLineNo">026</span>import org.apache.yetus.audience.InterfaceAudience;<a name="line.26"></a> |
| <span class="sourceLineNo">027</span>import org.slf4j.Logger;<a name="line.27"></a> |
| <span class="sourceLineNo">028</span>import org.slf4j.LoggerFactory;<a name="line.28"></a> |
| <span class="sourceLineNo">029</span><a name="line.29"></a> |
| <span class="sourceLineNo">030</span>import org.apache.hadoop.hbase.shaded.protobuf.ProtobufUtil;<a name="line.30"></a> |
| <span class="sourceLineNo">031</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProcedureProtos.SyncReplicationReplayWALState;<a name="line.31"></a> |
| <span class="sourceLineNo">032</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProcedureProtos.SyncReplicationReplayWALStateData;<a name="line.32"></a> |
| <span class="sourceLineNo">033</span><a name="line.33"></a> |
| <span class="sourceLineNo">034</span>/**<a name="line.34"></a> |
| <span class="sourceLineNo">035</span> * The procedure for replaying a set of remote wals. It will get an available region server and<a name="line.35"></a> |
| <span class="sourceLineNo">036</span> * schedule a {@link SyncReplicationReplayWALRemoteProcedure} to actually send the request to region<a name="line.36"></a> |
| <span class="sourceLineNo">037</span> * server.<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 AbstractPeerNoLockProcedure<SyncReplicationReplayWALState> {<a name="line.41"></a> |
| <span class="sourceLineNo">042</span><a name="line.42"></a> |
| <span class="sourceLineNo">043</span> private static final Logger LOG =<a name="line.43"></a> |
| <span class="sourceLineNo">044</span> LoggerFactory.getLogger(SyncReplicationReplayWALProcedure.class);<a name="line.44"></a> |
| <span class="sourceLineNo">045</span><a name="line.45"></a> |
| <span class="sourceLineNo">046</span> private ServerName worker = null;<a name="line.46"></a> |
| <span class="sourceLineNo">047</span><a name="line.47"></a> |
| <span class="sourceLineNo">048</span> private List<String> wals;<a name="line.48"></a> |
| <span class="sourceLineNo">049</span><a name="line.49"></a> |
| <span class="sourceLineNo">050</span> public SyncReplicationReplayWALProcedure() {<a name="line.50"></a> |
| <span class="sourceLineNo">051</span> }<a name="line.51"></a> |
| <span class="sourceLineNo">052</span><a name="line.52"></a> |
| <span class="sourceLineNo">053</span> public SyncReplicationReplayWALProcedure(String peerId, List<String> wals) {<a name="line.53"></a> |
| <span class="sourceLineNo">054</span> this.peerId = peerId;<a name="line.54"></a> |
| <span class="sourceLineNo">055</span> this.wals = wals;<a name="line.55"></a> |
| <span class="sourceLineNo">056</span> }<a name="line.56"></a> |
| <span class="sourceLineNo">057</span><a name="line.57"></a> |
| <span class="sourceLineNo">058</span> @Override<a name="line.58"></a> |
| <span class="sourceLineNo">059</span> protected Flow executeFromState(MasterProcedureEnv env, SyncReplicationReplayWALState state)<a name="line.59"></a> |
| <span class="sourceLineNo">060</span> throws ProcedureSuspendedException {<a name="line.60"></a> |
| <span class="sourceLineNo">061</span> SyncReplicationReplayWALManager syncReplicationReplayWALManager =<a name="line.61"></a> |
| <span class="sourceLineNo">062</span> env.getMasterServices().getSyncReplicationReplayWALManager();<a name="line.62"></a> |
| <span class="sourceLineNo">063</span> switch (state) {<a name="line.63"></a> |
| <span class="sourceLineNo">064</span> case ASSIGN_WORKER:<a name="line.64"></a> |
| <span class="sourceLineNo">065</span> worker = syncReplicationReplayWALManager.acquirePeerWorker(peerId, this);<a name="line.65"></a> |
| <span class="sourceLineNo">066</span> setNextState(SyncReplicationReplayWALState.DISPATCH_WALS_TO_WORKER);<a name="line.66"></a> |
| <span class="sourceLineNo">067</span> return Flow.HAS_MORE_STATE;<a name="line.67"></a> |
| <span class="sourceLineNo">068</span> case DISPATCH_WALS_TO_WORKER:<a name="line.68"></a> |
| <span class="sourceLineNo">069</span> addChildProcedure(new SyncReplicationReplayWALRemoteProcedure(peerId, wals, worker));<a name="line.69"></a> |
| <span class="sourceLineNo">070</span> setNextState(SyncReplicationReplayWALState.RELEASE_WORKER);<a name="line.70"></a> |
| <span class="sourceLineNo">071</span> return Flow.HAS_MORE_STATE;<a name="line.71"></a> |
| <span class="sourceLineNo">072</span> case RELEASE_WORKER:<a name="line.72"></a> |
| <span class="sourceLineNo">073</span> boolean finished = false;<a name="line.73"></a> |
| <span class="sourceLineNo">074</span> try {<a name="line.74"></a> |
| <span class="sourceLineNo">075</span> finished = syncReplicationReplayWALManager.isReplayWALFinished(wals.get(0));<a name="line.75"></a> |
| <span class="sourceLineNo">076</span> } catch (IOException e) {<a name="line.76"></a> |
| <span class="sourceLineNo">077</span> throw suspend(env.getMasterConfiguration(),<a name="line.77"></a> |
| <span class="sourceLineNo">078</span> backoff -> LOG.warn("Failed to check whether replay wals {} finished for peer id={}" +<a name="line.78"></a> |
| <span class="sourceLineNo">079</span> ", sleep {} secs and retry", wals, peerId, backoff / 1000, e));<a name="line.79"></a> |
| <span class="sourceLineNo">080</span> }<a name="line.80"></a> |
| <span class="sourceLineNo">081</span> syncReplicationReplayWALManager.releasePeerWorker(peerId, worker,<a name="line.81"></a> |
| <span class="sourceLineNo">082</span> env.getProcedureScheduler());<a name="line.82"></a> |
| <span class="sourceLineNo">083</span> if (!finished) {<a name="line.83"></a> |
| <span class="sourceLineNo">084</span> LOG.warn("Failed to replay wals {} for peer id={}, retry", wals, peerId);<a name="line.84"></a> |
| <span class="sourceLineNo">085</span> setNextState(SyncReplicationReplayWALState.ASSIGN_WORKER);<a name="line.85"></a> |
| <span class="sourceLineNo">086</span> return Flow.HAS_MORE_STATE;<a name="line.86"></a> |
| <span class="sourceLineNo">087</span> }<a name="line.87"></a> |
| <span class="sourceLineNo">088</span> return Flow.NO_MORE_STATE;<a name="line.88"></a> |
| <span class="sourceLineNo">089</span> default:<a name="line.89"></a> |
| <span class="sourceLineNo">090</span> throw new UnsupportedOperationException("unhandled state=" + state);<a name="line.90"></a> |
| <span class="sourceLineNo">091</span> }<a name="line.91"></a> |
| <span class="sourceLineNo">092</span> }<a name="line.92"></a> |
| <span class="sourceLineNo">093</span><a name="line.93"></a> |
| <span class="sourceLineNo">094</span> @Override<a name="line.94"></a> |
| <span class="sourceLineNo">095</span> protected void rollbackState(MasterProcedureEnv env, SyncReplicationReplayWALState state)<a name="line.95"></a> |
| <span class="sourceLineNo">096</span> throws IOException, InterruptedException {<a name="line.96"></a> |
| <span class="sourceLineNo">097</span> if (state == getInitialState()) {<a name="line.97"></a> |
| <span class="sourceLineNo">098</span> return;<a name="line.98"></a> |
| <span class="sourceLineNo">099</span> }<a name="line.99"></a> |
| <span class="sourceLineNo">100</span> throw new UnsupportedOperationException();<a name="line.100"></a> |
| <span class="sourceLineNo">101</span> }<a name="line.101"></a> |
| <span class="sourceLineNo">102</span><a name="line.102"></a> |
| <span class="sourceLineNo">103</span> @Override<a name="line.103"></a> |
| <span class="sourceLineNo">104</span> protected SyncReplicationReplayWALState getState(int state) {<a name="line.104"></a> |
| <span class="sourceLineNo">105</span> return SyncReplicationReplayWALState.forNumber(state);<a name="line.105"></a> |
| <span class="sourceLineNo">106</span> }<a name="line.106"></a> |
| <span class="sourceLineNo">107</span><a name="line.107"></a> |
| <span class="sourceLineNo">108</span> @Override<a name="line.108"></a> |
| <span class="sourceLineNo">109</span> protected int getStateId(SyncReplicationReplayWALState state) {<a name="line.109"></a> |
| <span class="sourceLineNo">110</span> return state.getNumber();<a name="line.110"></a> |
| <span class="sourceLineNo">111</span> }<a name="line.111"></a> |
| <span class="sourceLineNo">112</span><a name="line.112"></a> |
| <span class="sourceLineNo">113</span> @Override<a name="line.113"></a> |
| <span class="sourceLineNo">114</span> protected SyncReplicationReplayWALState getInitialState() {<a name="line.114"></a> |
| <span class="sourceLineNo">115</span> return SyncReplicationReplayWALState.ASSIGN_WORKER;<a name="line.115"></a> |
| <span class="sourceLineNo">116</span> }<a name="line.116"></a> |
| <span class="sourceLineNo">117</span><a name="line.117"></a> |
| <span class="sourceLineNo">118</span> @Override<a name="line.118"></a> |
| <span class="sourceLineNo">119</span> protected void serializeStateData(ProcedureStateSerializer serializer) throws IOException {<a name="line.119"></a> |
| <span class="sourceLineNo">120</span> super.serializeStateData(serializer);<a name="line.120"></a> |
| <span class="sourceLineNo">121</span> SyncReplicationReplayWALStateData.Builder builder =<a name="line.121"></a> |
| <span class="sourceLineNo">122</span> SyncReplicationReplayWALStateData.newBuilder().setPeerId(peerId).addAllWal(wals);<a name="line.122"></a> |
| <span class="sourceLineNo">123</span> if (worker != null) {<a name="line.123"></a> |
| <span class="sourceLineNo">124</span> builder.setWorker(ProtobufUtil.toServerName(worker));<a name="line.124"></a> |
| <span class="sourceLineNo">125</span> }<a name="line.125"></a> |
| <span class="sourceLineNo">126</span> serializer.serialize(builder.build());<a name="line.126"></a> |
| <span class="sourceLineNo">127</span> }<a name="line.127"></a> |
| <span class="sourceLineNo">128</span><a name="line.128"></a> |
| <span class="sourceLineNo">129</span> @Override<a name="line.129"></a> |
| <span class="sourceLineNo">130</span> protected void deserializeStateData(ProcedureStateSerializer serializer) throws IOException {<a name="line.130"></a> |
| <span class="sourceLineNo">131</span> super.deserializeStateData(serializer);<a name="line.131"></a> |
| <span class="sourceLineNo">132</span> SyncReplicationReplayWALStateData data =<a name="line.132"></a> |
| <span class="sourceLineNo">133</span> serializer.deserialize(SyncReplicationReplayWALStateData.class);<a name="line.133"></a> |
| <span class="sourceLineNo">134</span> peerId = data.getPeerId();<a name="line.134"></a> |
| <span class="sourceLineNo">135</span> wals = data.getWalList();<a name="line.135"></a> |
| <span class="sourceLineNo">136</span> if (data.hasWorker()) {<a name="line.136"></a> |
| <span class="sourceLineNo">137</span> worker = ProtobufUtil.toServerName(data.getWorker());<a name="line.137"></a> |
| <span class="sourceLineNo">138</span> }<a name="line.138"></a> |
| <span class="sourceLineNo">139</span> }<a name="line.139"></a> |
| <span class="sourceLineNo">140</span><a name="line.140"></a> |
| <span class="sourceLineNo">141</span> @Override<a name="line.141"></a> |
| <span class="sourceLineNo">142</span> public PeerOperationType getPeerOperationType() {<a name="line.142"></a> |
| <span class="sourceLineNo">143</span> return PeerOperationType.SYNC_REPLICATION_REPLAY_WAL;<a name="line.143"></a> |
| <span class="sourceLineNo">144</span> }<a name="line.144"></a> |
| <span class="sourceLineNo">145</span><a name="line.145"></a> |
| <span class="sourceLineNo">146</span> @Override<a name="line.146"></a> |
| <span class="sourceLineNo">147</span> protected void afterReplay(MasterProcedureEnv env) {<a name="line.147"></a> |
| <span class="sourceLineNo">148</span> // If the procedure is not finished and the worker is not null, we should add it to the used<a name="line.148"></a> |
| <span class="sourceLineNo">149</span> // worker set, to prevent the worker being used by others.<a name="line.149"></a> |
| <span class="sourceLineNo">150</span> if (worker != null && !isFinished()) {<a name="line.150"></a> |
| <span class="sourceLineNo">151</span> env.getMasterServices().getSyncReplicationReplayWALManager().addUsedPeerWorker(peerId,<a name="line.151"></a> |
| <span class="sourceLineNo">152</span> worker);<a name="line.152"></a> |
| <span class="sourceLineNo">153</span> }<a name="line.153"></a> |
| <span class="sourceLineNo">154</span> }<a name="line.154"></a> |
| <span class="sourceLineNo">155</span>}<a name="line.155"></a> |
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| </pre> |
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