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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.procedure.flush;<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.HashMap;<a name="line.21"></a> |
| <span class="sourceLineNo">022</span>import java.util.HashSet;<a name="line.22"></a> |
| <span class="sourceLineNo">023</span>import java.util.List;<a name="line.23"></a> |
| <span class="sourceLineNo">024</span>import java.util.Map;<a name="line.24"></a> |
| <span class="sourceLineNo">025</span>import java.util.Set;<a name="line.25"></a> |
| <span class="sourceLineNo">026</span>import java.util.concurrent.ThreadPoolExecutor;<a name="line.26"></a> |
| <span class="sourceLineNo">027</span>import org.apache.hadoop.conf.Configuration;<a name="line.27"></a> |
| <span class="sourceLineNo">028</span>import org.apache.hadoop.hbase.HBaseInterfaceAudience;<a name="line.28"></a> |
| <span class="sourceLineNo">029</span>import org.apache.hadoop.hbase.HConstants;<a name="line.29"></a> |
| <span class="sourceLineNo">030</span>import org.apache.hadoop.hbase.ServerName;<a name="line.30"></a> |
| <span class="sourceLineNo">031</span>import org.apache.hadoop.hbase.TableName;<a name="line.31"></a> |
| <span class="sourceLineNo">032</span>import org.apache.hadoop.hbase.client.RegionInfo;<a name="line.32"></a> |
| <span class="sourceLineNo">033</span>import org.apache.hadoop.hbase.errorhandling.ForeignException;<a name="line.33"></a> |
| <span class="sourceLineNo">034</span>import org.apache.hadoop.hbase.errorhandling.ForeignExceptionDispatcher;<a name="line.34"></a> |
| <span class="sourceLineNo">035</span>import org.apache.hadoop.hbase.master.MasterCoprocessorHost;<a name="line.35"></a> |
| <span class="sourceLineNo">036</span>import org.apache.hadoop.hbase.master.MasterServices;<a name="line.36"></a> |
| <span class="sourceLineNo">037</span>import org.apache.hadoop.hbase.master.MetricsMaster;<a name="line.37"></a> |
| <span class="sourceLineNo">038</span>import org.apache.hadoop.hbase.procedure.MasterProcedureManager;<a name="line.38"></a> |
| <span class="sourceLineNo">039</span>import org.apache.hadoop.hbase.procedure.Procedure;<a name="line.39"></a> |
| <span class="sourceLineNo">040</span>import org.apache.hadoop.hbase.procedure.ProcedureCoordinator;<a name="line.40"></a> |
| <span class="sourceLineNo">041</span>import org.apache.hadoop.hbase.procedure.ProcedureCoordinatorRpcs;<a name="line.41"></a> |
| <span class="sourceLineNo">042</span>import org.apache.hadoop.hbase.procedure.ZKProcedureCoordinator;<a name="line.42"></a> |
| <span class="sourceLineNo">043</span>import org.apache.hadoop.hbase.security.User;<a name="line.43"></a> |
| <span class="sourceLineNo">044</span>import org.apache.hadoop.hbase.security.access.AccessChecker;<a name="line.44"></a> |
| <span class="sourceLineNo">045</span>import org.apache.hadoop.hbase.util.Pair;<a name="line.45"></a> |
| <span class="sourceLineNo">046</span>import org.apache.yetus.audience.InterfaceAudience;<a name="line.46"></a> |
| <span class="sourceLineNo">047</span>import org.apache.zookeeper.KeeperException;<a name="line.47"></a> |
| <span class="sourceLineNo">048</span>import org.slf4j.Logger;<a name="line.48"></a> |
| <span class="sourceLineNo">049</span>import org.slf4j.LoggerFactory;<a name="line.49"></a> |
| <span class="sourceLineNo">050</span><a name="line.50"></a> |
| <span class="sourceLineNo">051</span>import org.apache.hbase.thirdparty.com.google.common.collect.Lists;<a name="line.51"></a> |
| <span class="sourceLineNo">052</span><a name="line.52"></a> |
| <span class="sourceLineNo">053</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.HBaseProtos;<a name="line.53"></a> |
| <span class="sourceLineNo">054</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.HBaseProtos.ProcedureDescription;<a name="line.54"></a> |
| <span class="sourceLineNo">055</span><a name="line.55"></a> |
| <span class="sourceLineNo">056</span>@InterfaceAudience.LimitedPrivate(HBaseInterfaceAudience.CONFIG)<a name="line.56"></a> |
| <span class="sourceLineNo">057</span>public class MasterFlushTableProcedureManager extends MasterProcedureManager {<a name="line.57"></a> |
| <span class="sourceLineNo">058</span><a name="line.58"></a> |
| <span class="sourceLineNo">059</span> public static final String FLUSH_TABLE_PROCEDURE_SIGNATURE = "flush-table-proc";<a name="line.59"></a> |
| <span class="sourceLineNo">060</span><a name="line.60"></a> |
| <span class="sourceLineNo">061</span> public static final String FLUSH_PROCEDURE_ENABLED = "hbase.flush.procedure.enabled";<a name="line.61"></a> |
| <span class="sourceLineNo">062</span><a name="line.62"></a> |
| <span class="sourceLineNo">063</span> public static final boolean FLUSH_PROCEDURE_ENABLED_DEFAULT = true;<a name="line.63"></a> |
| <span class="sourceLineNo">064</span><a name="line.64"></a> |
| <span class="sourceLineNo">065</span> private static final String FLUSH_TIMEOUT_MILLIS_KEY = "hbase.flush.master.timeoutMillis";<a name="line.65"></a> |
| <span class="sourceLineNo">066</span> private static final int FLUSH_TIMEOUT_MILLIS_DEFAULT = 60000;<a name="line.66"></a> |
| <span class="sourceLineNo">067</span> private static final String FLUSH_WAKE_MILLIS_KEY = "hbase.flush.master.wakeMillis";<a name="line.67"></a> |
| <span class="sourceLineNo">068</span> private static final int FLUSH_WAKE_MILLIS_DEFAULT = 500;<a name="line.68"></a> |
| <span class="sourceLineNo">069</span><a name="line.69"></a> |
| <span class="sourceLineNo">070</span> private static final String FLUSH_PROC_POOL_THREADS_KEY = "hbase.flush.procedure.master.threads";<a name="line.70"></a> |
| <span class="sourceLineNo">071</span> private static final int FLUSH_PROC_POOL_THREADS_DEFAULT = 1;<a name="line.71"></a> |
| <span class="sourceLineNo">072</span><a name="line.72"></a> |
| <span class="sourceLineNo">073</span> private static final Logger LOG = LoggerFactory.getLogger(MasterFlushTableProcedureManager.class);<a name="line.73"></a> |
| <span class="sourceLineNo">074</span><a name="line.74"></a> |
| <span class="sourceLineNo">075</span> private MasterServices master;<a name="line.75"></a> |
| <span class="sourceLineNo">076</span> private ProcedureCoordinator coordinator;<a name="line.76"></a> |
| <span class="sourceLineNo">077</span> private Map<TableName, Procedure> procMap = new HashMap<>();<a name="line.77"></a> |
| <span class="sourceLineNo">078</span> private boolean stopped;<a name="line.78"></a> |
| <span class="sourceLineNo">079</span><a name="line.79"></a> |
| <span class="sourceLineNo">080</span> public MasterFlushTableProcedureManager() {<a name="line.80"></a> |
| <span class="sourceLineNo">081</span> }<a name="line.81"></a> |
| <span class="sourceLineNo">082</span><a name="line.82"></a> |
| <span class="sourceLineNo">083</span> @Override<a name="line.83"></a> |
| <span class="sourceLineNo">084</span> public void stop(String why) {<a name="line.84"></a> |
| <span class="sourceLineNo">085</span> LOG.info("stop: " + why);<a name="line.85"></a> |
| <span class="sourceLineNo">086</span> this.stopped = true;<a name="line.86"></a> |
| <span class="sourceLineNo">087</span> }<a name="line.87"></a> |
| <span class="sourceLineNo">088</span><a name="line.88"></a> |
| <span class="sourceLineNo">089</span> @Override<a name="line.89"></a> |
| <span class="sourceLineNo">090</span> public boolean isStopped() {<a name="line.90"></a> |
| <span class="sourceLineNo">091</span> return this.stopped;<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> public void initialize(MasterServices master, MetricsMaster metricsMaster)<a name="line.95"></a> |
| <span class="sourceLineNo">096</span> throws KeeperException, IOException, UnsupportedOperationException {<a name="line.96"></a> |
| <span class="sourceLineNo">097</span> this.master = master;<a name="line.97"></a> |
| <span class="sourceLineNo">098</span><a name="line.98"></a> |
| <span class="sourceLineNo">099</span> // get the configuration for the coordinator<a name="line.99"></a> |
| <span class="sourceLineNo">100</span> Configuration conf = master.getConfiguration();<a name="line.100"></a> |
| <span class="sourceLineNo">101</span> long wakeFrequency = conf.getInt(FLUSH_WAKE_MILLIS_KEY, FLUSH_WAKE_MILLIS_DEFAULT);<a name="line.101"></a> |
| <span class="sourceLineNo">102</span> long timeoutMillis = conf.getLong(FLUSH_TIMEOUT_MILLIS_KEY, FLUSH_TIMEOUT_MILLIS_DEFAULT);<a name="line.102"></a> |
| <span class="sourceLineNo">103</span> int threads = conf.getInt(FLUSH_PROC_POOL_THREADS_KEY, FLUSH_PROC_POOL_THREADS_DEFAULT);<a name="line.103"></a> |
| <span class="sourceLineNo">104</span><a name="line.104"></a> |
| <span class="sourceLineNo">105</span> // setup the procedure coordinator<a name="line.105"></a> |
| <span class="sourceLineNo">106</span> String name = master.getServerName().toString();<a name="line.106"></a> |
| <span class="sourceLineNo">107</span> ThreadPoolExecutor tpool = ProcedureCoordinator.defaultPool(name, threads);<a name="line.107"></a> |
| <span class="sourceLineNo">108</span> ProcedureCoordinatorRpcs comms =<a name="line.108"></a> |
| <span class="sourceLineNo">109</span> new ZKProcedureCoordinator(master.getZooKeeper(), getProcedureSignature(), name);<a name="line.109"></a> |
| <span class="sourceLineNo">110</span><a name="line.110"></a> |
| <span class="sourceLineNo">111</span> this.coordinator = new ProcedureCoordinator(comms, tpool, timeoutMillis, wakeFrequency);<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> @Override<a name="line.114"></a> |
| <span class="sourceLineNo">115</span> public String getProcedureSignature() {<a name="line.115"></a> |
| <span class="sourceLineNo">116</span> return FLUSH_TABLE_PROCEDURE_SIGNATURE;<a name="line.116"></a> |
| <span class="sourceLineNo">117</span> }<a name="line.117"></a> |
| <span class="sourceLineNo">118</span><a name="line.118"></a> |
| <span class="sourceLineNo">119</span> @Override<a name="line.119"></a> |
| <span class="sourceLineNo">120</span> public void execProcedure(ProcedureDescription desc) throws IOException {<a name="line.120"></a> |
| <span class="sourceLineNo">121</span><a name="line.121"></a> |
| <span class="sourceLineNo">122</span> TableName tableName = TableName.valueOf(desc.getInstance());<a name="line.122"></a> |
| <span class="sourceLineNo">123</span><a name="line.123"></a> |
| <span class="sourceLineNo">124</span> // call pre coproc hook<a name="line.124"></a> |
| <span class="sourceLineNo">125</span> MasterCoprocessorHost cpHost = master.getMasterCoprocessorHost();<a name="line.125"></a> |
| <span class="sourceLineNo">126</span> if (cpHost != null) {<a name="line.126"></a> |
| <span class="sourceLineNo">127</span> cpHost.preTableFlush(tableName);<a name="line.127"></a> |
| <span class="sourceLineNo">128</span> }<a name="line.128"></a> |
| <span class="sourceLineNo">129</span><a name="line.129"></a> |
| <span class="sourceLineNo">130</span> // Get the list of region servers that host the online regions for table.<a name="line.130"></a> |
| <span class="sourceLineNo">131</span> // We use the procedure instance name to carry the table name from the client.<a name="line.131"></a> |
| <span class="sourceLineNo">132</span> // It is possible that regions may move after we get the region server list.<a name="line.132"></a> |
| <span class="sourceLineNo">133</span> // Each region server will get its own online regions for the table.<a name="line.133"></a> |
| <span class="sourceLineNo">134</span> // We may still miss regions that need to be flushed.<a name="line.134"></a> |
| <span class="sourceLineNo">135</span> List<Pair<RegionInfo, ServerName>> regionsAndLocations =<a name="line.135"></a> |
| <span class="sourceLineNo">136</span> master.getAssignmentManager().getTableRegionsAndLocations(tableName, false);<a name="line.136"></a> |
| <span class="sourceLineNo">137</span><a name="line.137"></a> |
| <span class="sourceLineNo">138</span> Set<String> regionServers = new HashSet<>(regionsAndLocations.size());<a name="line.138"></a> |
| <span class="sourceLineNo">139</span> for (Pair<RegionInfo, ServerName> region : regionsAndLocations) {<a name="line.139"></a> |
| <span class="sourceLineNo">140</span> if (region != null && region.getFirst() != null && region.getSecond() != null) {<a name="line.140"></a> |
| <span class="sourceLineNo">141</span> RegionInfo hri = region.getFirst();<a name="line.141"></a> |
| <span class="sourceLineNo">142</span> if (hri.isOffline() && (hri.isSplit() || hri.isSplitParent())) continue;<a name="line.142"></a> |
| <span class="sourceLineNo">143</span> regionServers.add(region.getSecond().toString());<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><a name="line.146"></a> |
| <span class="sourceLineNo">147</span> ForeignExceptionDispatcher monitor = new ForeignExceptionDispatcher(desc.getInstance());<a name="line.147"></a> |
| <span class="sourceLineNo">148</span><a name="line.148"></a> |
| <span class="sourceLineNo">149</span> HBaseProtos.NameStringPair families = null;<a name="line.149"></a> |
| <span class="sourceLineNo">150</span> for (HBaseProtos.NameStringPair nsp : desc.getConfigurationList()) {<a name="line.150"></a> |
| <span class="sourceLineNo">151</span> if (HConstants.FAMILY_KEY_STR.equals(nsp.getName())) {<a name="line.151"></a> |
| <span class="sourceLineNo">152</span> families = nsp;<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> byte[] procArgs = families != null ? families.toByteArray() : new byte[0];<a name="line.155"></a> |
| <span class="sourceLineNo">156</span><a name="line.156"></a> |
| <span class="sourceLineNo">157</span> // Kick of the global procedure from the master coordinator to the region servers.<a name="line.157"></a> |
| <span class="sourceLineNo">158</span> // We rely on the existing Distributed Procedure framework to prevent any concurrent<a name="line.158"></a> |
| <span class="sourceLineNo">159</span> // procedure with the same name.<a name="line.159"></a> |
| <span class="sourceLineNo">160</span> Procedure proc = coordinator.startProcedure(monitor, desc.getInstance(), procArgs,<a name="line.160"></a> |
| <span class="sourceLineNo">161</span> Lists.newArrayList(regionServers));<a name="line.161"></a> |
| <span class="sourceLineNo">162</span> monitor.rethrowException();<a name="line.162"></a> |
| <span class="sourceLineNo">163</span> if (proc == null) {<a name="line.163"></a> |
| <span class="sourceLineNo">164</span> String msg = "Failed to submit distributed procedure " + desc.getSignature() + " for '"<a name="line.164"></a> |
| <span class="sourceLineNo">165</span> + desc.getInstance() + "'. " + "Another flush procedure is running?";<a name="line.165"></a> |
| <span class="sourceLineNo">166</span> LOG.error(msg);<a name="line.166"></a> |
| <span class="sourceLineNo">167</span> throw new IOException(msg);<a name="line.167"></a> |
| <span class="sourceLineNo">168</span> }<a name="line.168"></a> |
| <span class="sourceLineNo">169</span><a name="line.169"></a> |
| <span class="sourceLineNo">170</span> procMap.put(tableName, proc);<a name="line.170"></a> |
| <span class="sourceLineNo">171</span><a name="line.171"></a> |
| <span class="sourceLineNo">172</span> try {<a name="line.172"></a> |
| <span class="sourceLineNo">173</span> // wait for the procedure to complete. A timer thread is kicked off that should cancel this<a name="line.173"></a> |
| <span class="sourceLineNo">174</span> // if it takes too long.<a name="line.174"></a> |
| <span class="sourceLineNo">175</span> proc.waitForCompleted();<a name="line.175"></a> |
| <span class="sourceLineNo">176</span> LOG.info("Done waiting - exec procedure " + desc.getSignature() + " for '"<a name="line.176"></a> |
| <span class="sourceLineNo">177</span> + desc.getInstance() + "'");<a name="line.177"></a> |
| <span class="sourceLineNo">178</span> LOG.info("Master flush table procedure is successful!");<a name="line.178"></a> |
| <span class="sourceLineNo">179</span> } catch (InterruptedException e) {<a name="line.179"></a> |
| <span class="sourceLineNo">180</span> ForeignException ee =<a name="line.180"></a> |
| <span class="sourceLineNo">181</span> new ForeignException("Interrupted while waiting for flush table procdure to finish", e);<a name="line.181"></a> |
| <span class="sourceLineNo">182</span> monitor.receive(ee);<a name="line.182"></a> |
| <span class="sourceLineNo">183</span> Thread.currentThread().interrupt();<a name="line.183"></a> |
| <span class="sourceLineNo">184</span> } catch (ForeignException e) {<a name="line.184"></a> |
| <span class="sourceLineNo">185</span> ForeignException ee =<a name="line.185"></a> |
| <span class="sourceLineNo">186</span> new ForeignException("Exception while waiting for flush table procdure to finish", e);<a name="line.186"></a> |
| <span class="sourceLineNo">187</span> monitor.receive(ee);<a name="line.187"></a> |
| <span class="sourceLineNo">188</span> }<a name="line.188"></a> |
| <span class="sourceLineNo">189</span> monitor.rethrowException();<a name="line.189"></a> |
| <span class="sourceLineNo">190</span> }<a name="line.190"></a> |
| <span class="sourceLineNo">191</span><a name="line.191"></a> |
| <span class="sourceLineNo">192</span> @Override<a name="line.192"></a> |
| <span class="sourceLineNo">193</span> public void checkPermissions(ProcedureDescription desc, AccessChecker accessChecker, User user)<a name="line.193"></a> |
| <span class="sourceLineNo">194</span> throws IOException {<a name="line.194"></a> |
| <span class="sourceLineNo">195</span> // Done by AccessController as part of preTableFlush coprocessor hook (legacy code path).<a name="line.195"></a> |
| <span class="sourceLineNo">196</span> // In future, when we AC is removed for good, that check should be moved here.<a name="line.196"></a> |
| <span class="sourceLineNo">197</span> }<a name="line.197"></a> |
| <span class="sourceLineNo">198</span><a name="line.198"></a> |
| <span class="sourceLineNo">199</span> @Override<a name="line.199"></a> |
| <span class="sourceLineNo">200</span> public synchronized boolean isProcedureDone(ProcedureDescription desc) throws IOException {<a name="line.200"></a> |
| <span class="sourceLineNo">201</span> // Procedure instance name is the table name.<a name="line.201"></a> |
| <span class="sourceLineNo">202</span> TableName tableName = TableName.valueOf(desc.getInstance());<a name="line.202"></a> |
| <span class="sourceLineNo">203</span> Procedure proc = procMap.get(tableName);<a name="line.203"></a> |
| <span class="sourceLineNo">204</span> if (proc == null) {<a name="line.204"></a> |
| <span class="sourceLineNo">205</span> // The procedure has not even been started yet.<a name="line.205"></a> |
| <span class="sourceLineNo">206</span> // The client would request the procedure and call isProcedureDone().<a name="line.206"></a> |
| <span class="sourceLineNo">207</span> // The HBaseAdmin.execProcedure() wraps both request and isProcedureDone().<a name="line.207"></a> |
| <span class="sourceLineNo">208</span> return false;<a name="line.208"></a> |
| <span class="sourceLineNo">209</span> }<a name="line.209"></a> |
| <span class="sourceLineNo">210</span> // We reply on the existing Distributed Procedure framework to give us the status.<a name="line.210"></a> |
| <span class="sourceLineNo">211</span> return proc.isCompleted();<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>}<a name="line.214"></a> |
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| </html> |
