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| <pre><span class="source-line-no">001</span><span id="line-1">/*</span> |
| <span class="source-line-no">002</span><span id="line-2"> * Licensed to the Apache Software Foundation (ASF) under one</span> |
| <span class="source-line-no">003</span><span id="line-3"> * or more contributor license agreements. See the NOTICE file</span> |
| <span class="source-line-no">004</span><span id="line-4"> * distributed with this work for additional information</span> |
| <span class="source-line-no">005</span><span id="line-5"> * regarding copyright ownership. The ASF licenses this file</span> |
| <span class="source-line-no">006</span><span id="line-6"> * to you under the Apache License, Version 2.0 (the</span> |
| <span class="source-line-no">007</span><span id="line-7"> * "License"); you may not use this file except in compliance</span> |
| <span class="source-line-no">008</span><span id="line-8"> * with the License. You may obtain a copy of the License at</span> |
| <span class="source-line-no">009</span><span id="line-9"> *</span> |
| <span class="source-line-no">010</span><span id="line-10"> * http://www.apache.org/licenses/LICENSE-2.0</span> |
| <span class="source-line-no">011</span><span id="line-11"> *</span> |
| <span class="source-line-no">012</span><span id="line-12"> * Unless required by applicable law or agreed to in writing, software</span> |
| <span class="source-line-no">013</span><span id="line-13"> * distributed under the License is distributed on an "AS IS" BASIS,</span> |
| <span class="source-line-no">014</span><span id="line-14"> * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</span> |
| <span class="source-line-no">015</span><span id="line-15"> * See the License for the specific language governing permissions and</span> |
| <span class="source-line-no">016</span><span id="line-16"> * limitations under the License.</span> |
| <span class="source-line-no">017</span><span id="line-17"> */</span> |
| <span class="source-line-no">018</span><span id="line-18">package org.apache.hadoop.hbase.util;</span> |
| <span class="source-line-no">019</span><span id="line-19"></span> |
| <span class="source-line-no">020</span><span id="line-20">import java.io.BufferedInputStream;</span> |
| <span class="source-line-no">021</span><span id="line-21">import java.io.BufferedOutputStream;</span> |
| <span class="source-line-no">022</span><span id="line-22">import java.io.Closeable;</span> |
| <span class="source-line-no">023</span><span id="line-23">import java.io.DataInputStream;</span> |
| <span class="source-line-no">024</span><span id="line-24">import java.io.DataOutputStream;</span> |
| <span class="source-line-no">025</span><span id="line-25">import java.io.File;</span> |
| <span class="source-line-no">026</span><span id="line-26">import java.io.FileInputStream;</span> |
| <span class="source-line-no">027</span><span id="line-27">import java.io.FileOutputStream;</span> |
| <span class="source-line-no">028</span><span id="line-28">import java.io.IOException;</span> |
| <span class="source-line-no">029</span><span id="line-29">import java.net.InetAddress;</span> |
| <span class="source-line-no">030</span><span id="line-30">import java.nio.file.Files;</span> |
| <span class="source-line-no">031</span><span id="line-31">import java.nio.file.Paths;</span> |
| <span class="source-line-no">032</span><span id="line-32">import java.util.ArrayList;</span> |
| <span class="source-line-no">033</span><span id="line-33">import java.util.Arrays;</span> |
| <span class="source-line-no">034</span><span id="line-34">import java.util.Collection;</span> |
| <span class="source-line-no">035</span><span id="line-35">import java.util.Collections;</span> |
| <span class="source-line-no">036</span><span id="line-36">import java.util.EnumSet;</span> |
| <span class="source-line-no">037</span><span id="line-37">import java.util.HashSet;</span> |
| <span class="source-line-no">038</span><span id="line-38">import java.util.Iterator;</span> |
| <span class="source-line-no">039</span><span id="line-39">import java.util.List;</span> |
| <span class="source-line-no">040</span><span id="line-40">import java.util.Locale;</span> |
| <span class="source-line-no">041</span><span id="line-41">import java.util.Optional;</span> |
| <span class="source-line-no">042</span><span id="line-42">import java.util.Set;</span> |
| <span class="source-line-no">043</span><span id="line-43">import java.util.concurrent.Callable;</span> |
| <span class="source-line-no">044</span><span id="line-44">import java.util.concurrent.CancellationException;</span> |
| <span class="source-line-no">045</span><span id="line-45">import java.util.concurrent.ExecutionException;</span> |
| <span class="source-line-no">046</span><span id="line-46">import java.util.concurrent.ExecutorService;</span> |
| <span class="source-line-no">047</span><span id="line-47">import java.util.concurrent.Executors;</span> |
| <span class="source-line-no">048</span><span id="line-48">import java.util.concurrent.Future;</span> |
| <span class="source-line-no">049</span><span id="line-49">import java.util.concurrent.TimeUnit;</span> |
| <span class="source-line-no">050</span><span id="line-50">import java.util.concurrent.TimeoutException;</span> |
| <span class="source-line-no">051</span><span id="line-51">import java.util.function.Predicate;</span> |
| <span class="source-line-no">052</span><span id="line-52">import org.apache.commons.io.IOUtils;</span> |
| <span class="source-line-no">053</span><span id="line-53">import org.apache.hadoop.conf.Configuration;</span> |
| <span class="source-line-no">054</span><span id="line-54">import org.apache.hadoop.hbase.ClusterMetrics.Option;</span> |
| <span class="source-line-no">055</span><span id="line-55">import org.apache.hadoop.hbase.HBaseConfiguration;</span> |
| <span class="source-line-no">056</span><span id="line-56">import org.apache.hadoop.hbase.HConstants;</span> |
| <span class="source-line-no">057</span><span id="line-57">import org.apache.hadoop.hbase.HRegionLocation;</span> |
| <span class="source-line-no">058</span><span id="line-58">import org.apache.hadoop.hbase.MetaTableAccessor;</span> |
| <span class="source-line-no">059</span><span id="line-59">import org.apache.hadoop.hbase.ServerName;</span> |
| <span class="source-line-no">060</span><span id="line-60">import org.apache.hadoop.hbase.UnknownRegionException;</span> |
| <span class="source-line-no">061</span><span id="line-61">import org.apache.hadoop.hbase.client.Admin;</span> |
| <span class="source-line-no">062</span><span id="line-62">import org.apache.hadoop.hbase.client.Connection;</span> |
| <span class="source-line-no">063</span><span id="line-63">import org.apache.hadoop.hbase.client.ConnectionFactory;</span> |
| <span class="source-line-no">064</span><span id="line-64">import org.apache.hadoop.hbase.client.DoNotRetryRegionException;</span> |
| <span class="source-line-no">065</span><span id="line-65">import org.apache.hadoop.hbase.client.RegionInfo;</span> |
| <span class="source-line-no">066</span><span id="line-66">import org.apache.hadoop.hbase.client.RegionInfoBuilder;</span> |
| <span class="source-line-no">067</span><span id="line-67">import org.apache.hadoop.hbase.client.Result;</span> |
| <span class="source-line-no">068</span><span id="line-68">import org.apache.hadoop.hbase.master.RackManager;</span> |
| <span class="source-line-no">069</span><span id="line-69">import org.apache.hadoop.hbase.master.RegionState;</span> |
| <span class="source-line-no">070</span><span id="line-70">import org.apache.hadoop.hbase.master.assignment.AssignmentManager;</span> |
| <span class="source-line-no">071</span><span id="line-71">import org.apache.hadoop.hbase.net.Address;</span> |
| <span class="source-line-no">072</span><span id="line-72">import org.apache.hadoop.hbase.rsgroup.RSGroupInfo;</span> |
| <span class="source-line-no">073</span><span id="line-73">import org.apache.hadoop.hbase.zookeeper.MetaTableLocator;</span> |
| <span class="source-line-no">074</span><span id="line-74">import org.apache.hadoop.hbase.zookeeper.ZKWatcher;</span> |
| <span class="source-line-no">075</span><span id="line-75">import org.apache.hadoop.hbase.zookeeper.ZNodePaths;</span> |
| <span class="source-line-no">076</span><span id="line-76">import org.apache.yetus.audience.InterfaceAudience;</span> |
| <span class="source-line-no">077</span><span id="line-77">import org.slf4j.Logger;</span> |
| <span class="source-line-no">078</span><span id="line-78">import org.slf4j.LoggerFactory;</span> |
| <span class="source-line-no">079</span><span id="line-79"></span> |
| <span class="source-line-no">080</span><span id="line-80">import org.apache.hbase.thirdparty.com.google.common.net.InetAddresses;</span> |
| <span class="source-line-no">081</span><span id="line-81">import org.apache.hbase.thirdparty.org.apache.commons.cli.CommandLine;</span> |
| <span class="source-line-no">082</span><span id="line-82">import org.apache.hbase.thirdparty.org.apache.commons.collections4.CollectionUtils;</span> |
| <span class="source-line-no">083</span><span id="line-83"></span> |
| <span class="source-line-no">084</span><span id="line-84">/**</span> |
| <span class="source-line-no">085</span><span id="line-85"> * Tool for loading/unloading regions to/from given regionserver This tool can be run from Command</span> |
| <span class="source-line-no">086</span><span id="line-86"> * line directly as a utility. Supports Ack/No Ack mode for loading/unloading operations.Ack mode</span> |
| <span class="source-line-no">087</span><span id="line-87"> * acknowledges if regions are online after movement while noAck mode is best effort mode that</span> |
| <span class="source-line-no">088</span><span id="line-88"> * improves performance but will still move on if region is stuck/not moved. Motivation behind noAck</span> |
| <span class="source-line-no">089</span><span id="line-89"> * mode being RS shutdown where even if a Region is stuck, upon shutdown master will move it</span> |
| <span class="source-line-no">090</span><span id="line-90"> * anyways. This can also be used by constructiong an Object using the builder and then calling</span> |
| <span class="source-line-no">091</span><span id="line-91"> * {@link #load()} or {@link #unload()} methods for the desired operations.</span> |
| <span class="source-line-no">092</span><span id="line-92"> */</span> |
| <span class="source-line-no">093</span><span id="line-93">@InterfaceAudience.Public</span> |
| <span class="source-line-no">094</span><span id="line-94">public class RegionMover extends AbstractHBaseTool implements Closeable {</span> |
| <span class="source-line-no">095</span><span id="line-95"> public static final String MOVE_RETRIES_MAX_KEY = "hbase.move.retries.max";</span> |
| <span class="source-line-no">096</span><span id="line-96"> public static final String MOVE_WAIT_MAX_KEY = "hbase.move.wait.max";</span> |
| <span class="source-line-no">097</span><span id="line-97"> public static final String SERVERSTART_WAIT_MAX_KEY = "hbase.serverstart.wait.max";</span> |
| <span class="source-line-no">098</span><span id="line-98"> public static final int DEFAULT_MOVE_RETRIES_MAX = 5;</span> |
| <span class="source-line-no">099</span><span id="line-99"> public static final int DEFAULT_MOVE_WAIT_MAX = 60;</span> |
| <span class="source-line-no">100</span><span id="line-100"> public static final int DEFAULT_SERVERSTART_WAIT_MAX = 180;</span> |
| <span class="source-line-no">101</span><span id="line-101"></span> |
| <span class="source-line-no">102</span><span id="line-102"> private static final Logger LOG = LoggerFactory.getLogger(RegionMover.class);</span> |
| <span class="source-line-no">103</span><span id="line-103"></span> |
| <span class="source-line-no">104</span><span id="line-104"> private RegionMoverBuilder rmbuilder;</span> |
| <span class="source-line-no">105</span><span id="line-105"> private boolean ack = true;</span> |
| <span class="source-line-no">106</span><span id="line-106"> private int maxthreads = 1;</span> |
| <span class="source-line-no">107</span><span id="line-107"> private int timeout;</span> |
| <span class="source-line-no">108</span><span id="line-108"> private List<String> isolateRegionIdArray;</span> |
| <span class="source-line-no">109</span><span id="line-109"> private String loadUnload;</span> |
| <span class="source-line-no">110</span><span id="line-110"> private String hostname;</span> |
| <span class="source-line-no">111</span><span id="line-111"> private String filename;</span> |
| <span class="source-line-no">112</span><span id="line-112"> private String excludeFile;</span> |
| <span class="source-line-no">113</span><span id="line-113"> private String designatedFile;</span> |
| <span class="source-line-no">114</span><span id="line-114"> private int port;</span> |
| <span class="source-line-no">115</span><span id="line-115"> private Connection conn;</span> |
| <span class="source-line-no">116</span><span id="line-116"> private Admin admin;</span> |
| <span class="source-line-no">117</span><span id="line-117"> private RackManager rackManager;</span> |
| <span class="source-line-no">118</span><span id="line-118"></span> |
| <span class="source-line-no">119</span><span id="line-119"> private RegionMover(RegionMoverBuilder builder) throws IOException {</span> |
| <span class="source-line-no">120</span><span id="line-120"> this.hostname = builder.hostname;</span> |
| <span class="source-line-no">121</span><span id="line-121"> this.filename = builder.filename;</span> |
| <span class="source-line-no">122</span><span id="line-122"> this.excludeFile = builder.excludeFile;</span> |
| <span class="source-line-no">123</span><span id="line-123"> this.designatedFile = builder.designatedFile;</span> |
| <span class="source-line-no">124</span><span id="line-124"> this.maxthreads = builder.maxthreads;</span> |
| <span class="source-line-no">125</span><span id="line-125"> this.isolateRegionIdArray = builder.isolateRegionIdArray;</span> |
| <span class="source-line-no">126</span><span id="line-126"> this.ack = builder.ack;</span> |
| <span class="source-line-no">127</span><span id="line-127"> this.port = builder.port;</span> |
| <span class="source-line-no">128</span><span id="line-128"> this.timeout = builder.timeout;</span> |
| <span class="source-line-no">129</span><span id="line-129"> setConf(builder.conf);</span> |
| <span class="source-line-no">130</span><span id="line-130"> this.conn = ConnectionFactory.createConnection(conf);</span> |
| <span class="source-line-no">131</span><span id="line-131"> this.admin = conn.getAdmin();</span> |
| <span class="source-line-no">132</span><span id="line-132"></span> |
| <span class="source-line-no">133</span><span id="line-133"> // if the hostname of master is ip, it indicates that the master/RS has enabled use-ip, we need</span> |
| <span class="source-line-no">134</span><span id="line-134"> // to resolve the current hostname to ip to ensure that the RegionMover logic can be executed</span> |
| <span class="source-line-no">135</span><span id="line-135"> // normally, see HBASE-27304 for details.</span> |
| <span class="source-line-no">136</span><span id="line-136"> ServerName master = admin.getClusterMetrics(EnumSet.of(Option.MASTER)).getMasterName();</span> |
| <span class="source-line-no">137</span><span id="line-137"> if (InetAddresses.isInetAddress(master.getHostname())) {</span> |
| <span class="source-line-no">138</span><span id="line-138"> if (!InetAddresses.isInetAddress(this.hostname)) {</span> |
| <span class="source-line-no">139</span><span id="line-139"> this.hostname = InetAddress.getByName(this.hostname).getHostAddress();</span> |
| <span class="source-line-no">140</span><span id="line-140"> }</span> |
| <span class="source-line-no">141</span><span id="line-141"> }</span> |
| <span class="source-line-no">142</span><span id="line-142"></span> |
| <span class="source-line-no">143</span><span id="line-143"> // Only while running unit tests, builder.rackManager will not be null for the convenience of</span> |
| <span class="source-line-no">144</span><span id="line-144"> // providing custom rackManager. Otherwise for regular workflow/user triggered action,</span> |
| <span class="source-line-no">145</span><span id="line-145"> // builder.rackManager is supposed to be null. Hence, setter of builder.rackManager is</span> |
| <span class="source-line-no">146</span><span id="line-146"> // provided as @InterfaceAudience.Private and it is commented that this is just</span> |
| <span class="source-line-no">147</span><span id="line-147"> // to be used by unit test.</span> |
| <span class="source-line-no">148</span><span id="line-148"> rackManager = builder.rackManager == null ? new RackManager(conf) : builder.rackManager;</span> |
| <span class="source-line-no">149</span><span id="line-149"> }</span> |
| <span class="source-line-no">150</span><span id="line-150"></span> |
| <span class="source-line-no">151</span><span id="line-151"> private RegionMover() {</span> |
| <span class="source-line-no">152</span><span id="line-152"> }</span> |
| <span class="source-line-no">153</span><span id="line-153"></span> |
| <span class="source-line-no">154</span><span id="line-154"> @Override</span> |
| <span class="source-line-no">155</span><span id="line-155"> public void close() {</span> |
| <span class="source-line-no">156</span><span id="line-156"> IOUtils.closeQuietly(this.admin, e -> LOG.warn("failed to close admin", e));</span> |
| <span class="source-line-no">157</span><span id="line-157"> IOUtils.closeQuietly(this.conn, e -> LOG.warn("failed to close conn", e));</span> |
| <span class="source-line-no">158</span><span id="line-158"> }</span> |
| <span class="source-line-no">159</span><span id="line-159"></span> |
| <span class="source-line-no">160</span><span id="line-160"> /**</span> |
| <span class="source-line-no">161</span><span id="line-161"> * Builder for Region mover. Use the {@link #build()} method to create RegionMover object. Has</span> |
| <span class="source-line-no">162</span><span id="line-162"> * {@link #filename(String)}, {@link #excludeFile(String)}, {@link #maxthreads(int)},</span> |
| <span class="source-line-no">163</span><span id="line-163"> * {@link #ack(boolean)}, {@link #timeout(int)}, {@link #designatedFile(String)} methods to set</span> |
| <span class="source-line-no">164</span><span id="line-164"> * the corresponding options.</span> |
| <span class="source-line-no">165</span><span id="line-165"> */</span> |
| <span class="source-line-no">166</span><span id="line-166"> public static class RegionMoverBuilder {</span> |
| <span class="source-line-no">167</span><span id="line-167"> private boolean ack = true;</span> |
| <span class="source-line-no">168</span><span id="line-168"> private int maxthreads = 1;</span> |
| <span class="source-line-no">169</span><span id="line-169"> private int timeout = Integer.MAX_VALUE;</span> |
| <span class="source-line-no">170</span><span id="line-170"> private List<String> isolateRegionIdArray = new ArrayList<>();</span> |
| <span class="source-line-no">171</span><span id="line-171"> private String hostname;</span> |
| <span class="source-line-no">172</span><span id="line-172"> private String filename;</span> |
| <span class="source-line-no">173</span><span id="line-173"> private String excludeFile = null;</span> |
| <span class="source-line-no">174</span><span id="line-174"> private String designatedFile = null;</span> |
| <span class="source-line-no">175</span><span id="line-175"> private String defaultDir = System.getProperty("java.io.tmpdir");</span> |
| <span class="source-line-no">176</span><span id="line-176"> @InterfaceAudience.Private</span> |
| <span class="source-line-no">177</span><span id="line-177"> final int port;</span> |
| <span class="source-line-no">178</span><span id="line-178"> private final Configuration conf;</span> |
| <span class="source-line-no">179</span><span id="line-179"> private RackManager rackManager;</span> |
| <span class="source-line-no">180</span><span id="line-180"></span> |
| <span class="source-line-no">181</span><span id="line-181"> public RegionMoverBuilder(String hostname) {</span> |
| <span class="source-line-no">182</span><span id="line-182"> this(hostname, createConf());</span> |
| <span class="source-line-no">183</span><span id="line-183"> }</span> |
| <span class="source-line-no">184</span><span id="line-184"></span> |
| <span class="source-line-no">185</span><span id="line-185"> /**</span> |
| <span class="source-line-no">186</span><span id="line-186"> * Creates a new configuration and sets region mover specific overrides</span> |
| <span class="source-line-no">187</span><span id="line-187"> */</span> |
| <span class="source-line-no">188</span><span id="line-188"> private static Configuration createConf() {</span> |
| <span class="source-line-no">189</span><span id="line-189"> Configuration conf = HBaseConfiguration.create();</span> |
| <span class="source-line-no">190</span><span id="line-190"> conf.setInt("hbase.client.prefetch.limit", 1);</span> |
| <span class="source-line-no">191</span><span id="line-191"> conf.setInt("hbase.client.pause", 500);</span> |
| <span class="source-line-no">192</span><span id="line-192"> conf.setInt("hbase.client.retries.number", 100);</span> |
| <span class="source-line-no">193</span><span id="line-193"> return conf;</span> |
| <span class="source-line-no">194</span><span id="line-194"> }</span> |
| <span class="source-line-no">195</span><span id="line-195"></span> |
| <span class="source-line-no">196</span><span id="line-196"> /**</span> |
| <span class="source-line-no">197</span><span id="line-197"> * @param hostname Hostname to unload regions from or load regions to. Can be either hostname or</span> |
| <span class="source-line-no">198</span><span id="line-198"> * hostname:port.</span> |
| <span class="source-line-no">199</span><span id="line-199"> * @param conf Configuration object</span> |
| <span class="source-line-no">200</span><span id="line-200"> */</span> |
| <span class="source-line-no">201</span><span id="line-201"> public RegionMoverBuilder(String hostname, Configuration conf) {</span> |
| <span class="source-line-no">202</span><span id="line-202"> String[] splitHostname = hostname.toLowerCase().split(":");</span> |
| <span class="source-line-no">203</span><span id="line-203"> this.hostname = splitHostname[0];</span> |
| <span class="source-line-no">204</span><span id="line-204"> if (splitHostname.length == 2) {</span> |
| <span class="source-line-no">205</span><span id="line-205"> this.port = Integer.parseInt(splitHostname[1]);</span> |
| <span class="source-line-no">206</span><span id="line-206"> } else {</span> |
| <span class="source-line-no">207</span><span id="line-207"> this.port = conf.getInt(HConstants.REGIONSERVER_PORT, HConstants.DEFAULT_REGIONSERVER_PORT);</span> |
| <span class="source-line-no">208</span><span id="line-208"> }</span> |
| <span class="source-line-no">209</span><span id="line-209"> this.filename = defaultDir + File.separator + System.getProperty("user.name") + this.hostname</span> |
| <span class="source-line-no">210</span><span id="line-210"> + ":" + Integer.toString(this.port);</span> |
| <span class="source-line-no">211</span><span id="line-211"> this.conf = conf;</span> |
| <span class="source-line-no">212</span><span id="line-212"> }</span> |
| <span class="source-line-no">213</span><span id="line-213"></span> |
| <span class="source-line-no">214</span><span id="line-214"> /**</span> |
| <span class="source-line-no">215</span><span id="line-215"> * Path of file where regions will be written to during unloading/read from during loading</span> |
| <span class="source-line-no">216</span><span id="line-216"> * @return RegionMoverBuilder object</span> |
| <span class="source-line-no">217</span><span id="line-217"> */</span> |
| <span class="source-line-no">218</span><span id="line-218"> public RegionMoverBuilder filename(String filename) {</span> |
| <span class="source-line-no">219</span><span id="line-219"> this.filename = filename;</span> |
| <span class="source-line-no">220</span><span id="line-220"> return this;</span> |
| <span class="source-line-no">221</span><span id="line-221"> }</span> |
| <span class="source-line-no">222</span><span id="line-222"></span> |
| <span class="source-line-no">223</span><span id="line-223"> /**</span> |
| <span class="source-line-no">224</span><span id="line-224"> * Set the max number of threads that will be used to move regions</span> |
| <span class="source-line-no">225</span><span id="line-225"> */</span> |
| <span class="source-line-no">226</span><span id="line-226"> public RegionMoverBuilder maxthreads(int threads) {</span> |
| <span class="source-line-no">227</span><span id="line-227"> this.maxthreads = threads;</span> |
| <span class="source-line-no">228</span><span id="line-228"> return this;</span> |
| <span class="source-line-no">229</span><span id="line-229"> }</span> |
| <span class="source-line-no">230</span><span id="line-230"></span> |
| <span class="source-line-no">231</span><span id="line-231"> /**</span> |
| <span class="source-line-no">232</span><span id="line-232"> * Set the region ID to isolate on the region server.</span> |
| <span class="source-line-no">233</span><span id="line-233"> */</span> |
| <span class="source-line-no">234</span><span id="line-234"> public RegionMoverBuilder isolateRegionIdArray(List<String> isolateRegionIdArray) {</span> |
| <span class="source-line-no">235</span><span id="line-235"> this.isolateRegionIdArray = isolateRegionIdArray;</span> |
| <span class="source-line-no">236</span><span id="line-236"> return this;</span> |
| <span class="source-line-no">237</span><span id="line-237"> }</span> |
| <span class="source-line-no">238</span><span id="line-238"></span> |
| <span class="source-line-no">239</span><span id="line-239"> /**</span> |
| <span class="source-line-no">240</span><span id="line-240"> * Path of file containing hostnames to be excluded during region movement. Exclude file should</span> |
| <span class="source-line-no">241</span><span id="line-241"> * have 'host:port' per line. Port is mandatory here as we can have many RS running on a single</span> |
| <span class="source-line-no">242</span><span id="line-242"> * host.</span> |
| <span class="source-line-no">243</span><span id="line-243"> */</span> |
| <span class="source-line-no">244</span><span id="line-244"> public RegionMoverBuilder excludeFile(String excludefile) {</span> |
| <span class="source-line-no">245</span><span id="line-245"> this.excludeFile = excludefile;</span> |
| <span class="source-line-no">246</span><span id="line-246"> return this;</span> |
| <span class="source-line-no">247</span><span id="line-247"> }</span> |
| <span class="source-line-no">248</span><span id="line-248"></span> |
| <span class="source-line-no">249</span><span id="line-249"> /**</span> |
| <span class="source-line-no">250</span><span id="line-250"> * Set the designated file. Designated file contains hostnames where region moves. Designated</span> |
| <span class="source-line-no">251</span><span id="line-251"> * file should have 'host:port' per line. Port is mandatory here as we can have many RS running</span> |
| <span class="source-line-no">252</span><span id="line-252"> * on a single host.</span> |
| <span class="source-line-no">253</span><span id="line-253"> * @param designatedFile The designated file</span> |
| <span class="source-line-no">254</span><span id="line-254"> * @return RegionMoverBuilder object</span> |
| <span class="source-line-no">255</span><span id="line-255"> */</span> |
| <span class="source-line-no">256</span><span id="line-256"> public RegionMoverBuilder designatedFile(String designatedFile) {</span> |
| <span class="source-line-no">257</span><span id="line-257"> this.designatedFile = designatedFile;</span> |
| <span class="source-line-no">258</span><span id="line-258"> return this;</span> |
| <span class="source-line-no">259</span><span id="line-259"> }</span> |
| <span class="source-line-no">260</span><span id="line-260"></span> |
| <span class="source-line-no">261</span><span id="line-261"> /**</span> |
| <span class="source-line-no">262</span><span id="line-262"> * Set ack/noAck mode.</span> |
| <span class="source-line-no">263</span><span id="line-263"> * <p></span> |
| <span class="source-line-no">264</span><span id="line-264"> * In ack mode regions are acknowledged before and after moving and the move is retried</span> |
| <span class="source-line-no">265</span><span id="line-265"> * hbase.move.retries.max times, if unsuccessful we quit with exit code 1.No Ack mode is a best</span> |
| <span class="source-line-no">266</span><span id="line-266"> * effort mode,each region movement is tried once.This can be used during graceful shutdown as</span> |
| <span class="source-line-no">267</span><span id="line-267"> * even if we have a stuck region,upon shutdown it'll be reassigned anyway.</span> |
| <span class="source-line-no">268</span><span id="line-268"> * <p></span> |
| <span class="source-line-no">269</span><span id="line-269"> * @return RegionMoverBuilder object</span> |
| <span class="source-line-no">270</span><span id="line-270"> */</span> |
| <span class="source-line-no">271</span><span id="line-271"> public RegionMoverBuilder ack(boolean ack) {</span> |
| <span class="source-line-no">272</span><span id="line-272"> this.ack = ack;</span> |
| <span class="source-line-no">273</span><span id="line-273"> return this;</span> |
| <span class="source-line-no">274</span><span id="line-274"> }</span> |
| <span class="source-line-no">275</span><span id="line-275"></span> |
| <span class="source-line-no">276</span><span id="line-276"> /**</span> |
| <span class="source-line-no">277</span><span id="line-277"> * Set the timeout for Load/Unload operation in seconds.This is a global timeout,threadpool for</span> |
| <span class="source-line-no">278</span><span id="line-278"> * movers also have a separate time which is hbase.move.wait.max * number of regions to</span> |
| <span class="source-line-no">279</span><span id="line-279"> * load/unload</span> |
| <span class="source-line-no">280</span><span id="line-280"> * @param timeout in seconds</span> |
| <span class="source-line-no">281</span><span id="line-281"> * @return RegionMoverBuilder object</span> |
| <span class="source-line-no">282</span><span id="line-282"> */</span> |
| <span class="source-line-no">283</span><span id="line-283"> public RegionMoverBuilder timeout(int timeout) {</span> |
| <span class="source-line-no">284</span><span id="line-284"> this.timeout = timeout;</span> |
| <span class="source-line-no">285</span><span id="line-285"> return this;</span> |
| <span class="source-line-no">286</span><span id="line-286"> }</span> |
| <span class="source-line-no">287</span><span id="line-287"></span> |
| <span class="source-line-no">288</span><span id="line-288"> /**</span> |
| <span class="source-line-no">289</span><span id="line-289"> * Set specific rackManager implementation. This setter method is for testing purpose only.</span> |
| <span class="source-line-no">290</span><span id="line-290"> * @param rackManager rackManager impl</span> |
| <span class="source-line-no">291</span><span id="line-291"> * @return RegionMoverBuilder object</span> |
| <span class="source-line-no">292</span><span id="line-292"> */</span> |
| <span class="source-line-no">293</span><span id="line-293"> @InterfaceAudience.Private</span> |
| <span class="source-line-no">294</span><span id="line-294"> public RegionMoverBuilder rackManager(RackManager rackManager) {</span> |
| <span class="source-line-no">295</span><span id="line-295"> this.rackManager = rackManager;</span> |
| <span class="source-line-no">296</span><span id="line-296"> return this;</span> |
| <span class="source-line-no">297</span><span id="line-297"> }</span> |
| <span class="source-line-no">298</span><span id="line-298"></span> |
| <span class="source-line-no">299</span><span id="line-299"> /**</span> |
| <span class="source-line-no">300</span><span id="line-300"> * This method builds the appropriate RegionMover object which can then be used to load/unload</span> |
| <span class="source-line-no">301</span><span id="line-301"> * using load and unload methods</span> |
| <span class="source-line-no">302</span><span id="line-302"> * @return RegionMover object</span> |
| <span class="source-line-no">303</span><span id="line-303"> */</span> |
| <span class="source-line-no">304</span><span id="line-304"> public RegionMover build() throws IOException {</span> |
| <span class="source-line-no">305</span><span id="line-305"> return new RegionMover(this);</span> |
| <span class="source-line-no">306</span><span id="line-306"> }</span> |
| <span class="source-line-no">307</span><span id="line-307"> }</span> |
| <span class="source-line-no">308</span><span id="line-308"></span> |
| <span class="source-line-no">309</span><span id="line-309"> /**</span> |
| <span class="source-line-no">310</span><span id="line-310"> * Loads the specified {@link #hostname} with regions listed in the {@link #filename} RegionMover</span> |
| <span class="source-line-no">311</span><span id="line-311"> * Object has to be created using {@link #RegionMover(RegionMoverBuilder)}</span> |
| <span class="source-line-no">312</span><span id="line-312"> * @return true if loading succeeded, false otherwise</span> |
| <span class="source-line-no">313</span><span id="line-313"> */</span> |
| <span class="source-line-no">314</span><span id="line-314"> public boolean load() throws ExecutionException, InterruptedException, TimeoutException {</span> |
| <span class="source-line-no">315</span><span id="line-315"> ExecutorService loadPool = Executors.newFixedThreadPool(1);</span> |
| <span class="source-line-no">316</span><span id="line-316"> Future<Boolean> loadTask = loadPool.submit(getMetaRegionMovePlan());</span> |
| <span class="source-line-no">317</span><span id="line-317"> boolean isMetaMoved = waitTaskToFinish(loadPool, loadTask, "loading");</span> |
| <span class="source-line-no">318</span><span id="line-318"> if (!isMetaMoved) {</span> |
| <span class="source-line-no">319</span><span id="line-319"> return false;</span> |
| <span class="source-line-no">320</span><span id="line-320"> }</span> |
| <span class="source-line-no">321</span><span id="line-321"> loadPool = Executors.newFixedThreadPool(1);</span> |
| <span class="source-line-no">322</span><span id="line-322"> loadTask = loadPool.submit(getNonMetaRegionsMovePlan());</span> |
| <span class="source-line-no">323</span><span id="line-323"> return waitTaskToFinish(loadPool, loadTask, "loading");</span> |
| <span class="source-line-no">324</span><span id="line-324"> }</span> |
| <span class="source-line-no">325</span><span id="line-325"></span> |
| <span class="source-line-no">326</span><span id="line-326"> private Callable<Boolean> getMetaRegionMovePlan() {</span> |
| <span class="source-line-no">327</span><span id="line-327"> return getRegionsMovePlan(true);</span> |
| <span class="source-line-no">328</span><span id="line-328"> }</span> |
| <span class="source-line-no">329</span><span id="line-329"></span> |
| <span class="source-line-no">330</span><span id="line-330"> private Callable<Boolean> getNonMetaRegionsMovePlan() {</span> |
| <span class="source-line-no">331</span><span id="line-331"> return getRegionsMovePlan(false);</span> |
| <span class="source-line-no">332</span><span id="line-332"> }</span> |
| <span class="source-line-no">333</span><span id="line-333"></span> |
| <span class="source-line-no">334</span><span id="line-334"> private Callable<Boolean> getRegionsMovePlan(boolean moveMetaRegion) {</span> |
| <span class="source-line-no">335</span><span id="line-335"> return () -> {</span> |
| <span class="source-line-no">336</span><span id="line-336"> try {</span> |
| <span class="source-line-no">337</span><span id="line-337"> List<RegionInfo> regionsToMove = readRegionsFromFile(filename);</span> |
| <span class="source-line-no">338</span><span id="line-338"> if (regionsToMove.isEmpty()) {</span> |
| <span class="source-line-no">339</span><span id="line-339"> LOG.info("No regions to load.Exiting");</span> |
| <span class="source-line-no">340</span><span id="line-340"> return true;</span> |
| <span class="source-line-no">341</span><span id="line-341"> }</span> |
| <span class="source-line-no">342</span><span id="line-342"> Optional<RegionInfo> metaRegion = getMetaRegionInfoIfToBeMoved(regionsToMove);</span> |
| <span class="source-line-no">343</span><span id="line-343"> if (moveMetaRegion) {</span> |
| <span class="source-line-no">344</span><span id="line-344"> if (metaRegion.isPresent()) {</span> |
| <span class="source-line-no">345</span><span id="line-345"> loadRegions(Collections.singletonList(metaRegion.get()));</span> |
| <span class="source-line-no">346</span><span id="line-346"> }</span> |
| <span class="source-line-no">347</span><span id="line-347"> } else {</span> |
| <span class="source-line-no">348</span><span id="line-348"> metaRegion.ifPresent(regionsToMove::remove);</span> |
| <span class="source-line-no">349</span><span id="line-349"> loadRegions(regionsToMove);</span> |
| <span class="source-line-no">350</span><span id="line-350"> }</span> |
| <span class="source-line-no">351</span><span id="line-351"> } catch (Exception e) {</span> |
| <span class="source-line-no">352</span><span id="line-352"> LOG.error("Error while loading regions to " + hostname, e);</span> |
| <span class="source-line-no">353</span><span id="line-353"> return false;</span> |
| <span class="source-line-no">354</span><span id="line-354"> }</span> |
| <span class="source-line-no">355</span><span id="line-355"> return true;</span> |
| <span class="source-line-no">356</span><span id="line-356"> };</span> |
| <span class="source-line-no">357</span><span id="line-357"> }</span> |
| <span class="source-line-no">358</span><span id="line-358"></span> |
| <span class="source-line-no">359</span><span id="line-359"> private Optional<RegionInfo> getMetaRegionInfoIfToBeMoved(List<RegionInfo> regionsToMove) {</span> |
| <span class="source-line-no">360</span><span id="line-360"> return regionsToMove.stream().filter(RegionInfo::isMetaRegion).findFirst();</span> |
| <span class="source-line-no">361</span><span id="line-361"> }</span> |
| <span class="source-line-no">362</span><span id="line-362"></span> |
| <span class="source-line-no">363</span><span id="line-363"> private void loadRegions(List<RegionInfo> regionsToMove) throws Exception {</span> |
| <span class="source-line-no">364</span><span id="line-364"> ServerName server = getTargetServer();</span> |
| <span class="source-line-no">365</span><span id="line-365"> List<RegionInfo> movedRegions = Collections.synchronizedList(new ArrayList<>());</span> |
| <span class="source-line-no">366</span><span id="line-366"> LOG.info("Moving " + regionsToMove.size() + " regions to " + server + " using "</span> |
| <span class="source-line-no">367</span><span id="line-367"> + this.maxthreads + " threads.Ack mode:" + this.ack);</span> |
| <span class="source-line-no">368</span><span id="line-368"></span> |
| <span class="source-line-no">369</span><span id="line-369"> final ExecutorService moveRegionsPool = Executors.newFixedThreadPool(this.maxthreads);</span> |
| <span class="source-line-no">370</span><span id="line-370"> List<Future<Boolean>> taskList = new ArrayList<>();</span> |
| <span class="source-line-no">371</span><span id="line-371"> int counter = 0;</span> |
| <span class="source-line-no">372</span><span id="line-372"> while (counter < regionsToMove.size()) {</span> |
| <span class="source-line-no">373</span><span id="line-373"> RegionInfo region = regionsToMove.get(counter);</span> |
| <span class="source-line-no">374</span><span id="line-374"> ServerName currentServer = MoveWithAck.getServerNameForRegion(region, admin, conn);</span> |
| <span class="source-line-no">375</span><span id="line-375"> if (currentServer == null) {</span> |
| <span class="source-line-no">376</span><span id="line-376"> LOG</span> |
| <span class="source-line-no">377</span><span id="line-377"> .warn("Could not get server for Region:" + region.getRegionNameAsString() + " moving on");</span> |
| <span class="source-line-no">378</span><span id="line-378"> counter++;</span> |
| <span class="source-line-no">379</span><span id="line-379"> continue;</span> |
| <span class="source-line-no">380</span><span id="line-380"> } else if (server.equals(currentServer)) {</span> |
| <span class="source-line-no">381</span><span id="line-381"> LOG.info(</span> |
| <span class="source-line-no">382</span><span id="line-382"> "Region " + region.getRegionNameAsString() + " is already on target server=" + server);</span> |
| <span class="source-line-no">383</span><span id="line-383"> counter++;</span> |
| <span class="source-line-no">384</span><span id="line-384"> continue;</span> |
| <span class="source-line-no">385</span><span id="line-385"> }</span> |
| <span class="source-line-no">386</span><span id="line-386"> if (ack) {</span> |
| <span class="source-line-no">387</span><span id="line-387"> Future<Boolean> task = moveRegionsPool</span> |
| <span class="source-line-no">388</span><span id="line-388"> .submit(new MoveWithAck(conn, region, currentServer, server, movedRegions));</span> |
| <span class="source-line-no">389</span><span id="line-389"> taskList.add(task);</span> |
| <span class="source-line-no">390</span><span id="line-390"> } else {</span> |
| <span class="source-line-no">391</span><span id="line-391"> Future<Boolean> task = moveRegionsPool</span> |
| <span class="source-line-no">392</span><span id="line-392"> .submit(new MoveWithoutAck(admin, region, currentServer, server, movedRegions));</span> |
| <span class="source-line-no">393</span><span id="line-393"> taskList.add(task);</span> |
| <span class="source-line-no">394</span><span id="line-394"> }</span> |
| <span class="source-line-no">395</span><span id="line-395"> counter++;</span> |
| <span class="source-line-no">396</span><span id="line-396"> }</span> |
| <span class="source-line-no">397</span><span id="line-397"></span> |
| <span class="source-line-no">398</span><span id="line-398"> moveRegionsPool.shutdown();</span> |
| <span class="source-line-no">399</span><span id="line-399"> long timeoutInSeconds = regionsToMove.size()</span> |
| <span class="source-line-no">400</span><span id="line-400"> * admin.getConfiguration().getLong(MOVE_WAIT_MAX_KEY, DEFAULT_MOVE_WAIT_MAX);</span> |
| <span class="source-line-no">401</span><span id="line-401"> waitMoveTasksToFinish(moveRegionsPool, taskList, timeoutInSeconds);</span> |
| <span class="source-line-no">402</span><span id="line-402"> }</span> |
| <span class="source-line-no">403</span><span id="line-403"></span> |
| <span class="source-line-no">404</span><span id="line-404"> /**</span> |
| <span class="source-line-no">405</span><span id="line-405"> * Unload regions from given {@link #hostname} using ack/noAck mode and {@link #maxthreads}.In</span> |
| <span class="source-line-no">406</span><span id="line-406"> * noAck mode we do not make sure that region is successfully online on the target region</span> |
| <span class="source-line-no">407</span><span id="line-407"> * server,hence it is best effort.We do not unload regions to hostnames given in</span> |
| <span class="source-line-no">408</span><span id="line-408"> * {@link #excludeFile}. If designatedFile is present with some contents, we will unload regions</span> |
| <span class="source-line-no">409</span><span id="line-409"> * to hostnames provided in {@link #designatedFile}</span> |
| <span class="source-line-no">410</span><span id="line-410"> * @return true if unloading succeeded, false otherwise</span> |
| <span class="source-line-no">411</span><span id="line-411"> */</span> |
| <span class="source-line-no">412</span><span id="line-412"> public boolean unload() throws InterruptedException, ExecutionException, TimeoutException {</span> |
| <span class="source-line-no">413</span><span id="line-413"> return unloadRegions(false);</span> |
| <span class="source-line-no">414</span><span id="line-414"> }</span> |
| <span class="source-line-no">415</span><span id="line-415"></span> |
| <span class="source-line-no">416</span><span id="line-416"> /**</span> |
| <span class="source-line-no">417</span><span id="line-417"> * Unload regions from given {@link #hostname} using ack/noAck mode and {@link #maxthreads}.In</span> |
| <span class="source-line-no">418</span><span id="line-418"> * noAck mode we do not make sure that region is successfully online on the target region</span> |
| <span class="source-line-no">419</span><span id="line-419"> * server,hence it is best effort.We do not unload regions to hostnames given in</span> |
| <span class="source-line-no">420</span><span id="line-420"> * {@link #excludeFile}. If designatedFile is present with some contents, we will unload regions</span> |
| <span class="source-line-no">421</span><span id="line-421"> * to hostnames provided in {@link #designatedFile}. While unloading regions, destination</span> |
| <span class="source-line-no">422</span><span id="line-422"> * RegionServers are selected from different rack i.e regions should not move to any RegionServers</span> |
| <span class="source-line-no">423</span><span id="line-423"> * that belong to same rack as source RegionServer.</span> |
| <span class="source-line-no">424</span><span id="line-424"> * @return true if unloading succeeded, false otherwise</span> |
| <span class="source-line-no">425</span><span id="line-425"> */</span> |
| <span class="source-line-no">426</span><span id="line-426"> public boolean unloadFromRack()</span> |
| <span class="source-line-no">427</span><span id="line-427"> throws InterruptedException, ExecutionException, TimeoutException {</span> |
| <span class="source-line-no">428</span><span id="line-428"> return unloadRegions(true);</span> |
| <span class="source-line-no">429</span><span id="line-429"> }</span> |
| <span class="source-line-no">430</span><span id="line-430"></span> |
| <span class="source-line-no">431</span><span id="line-431"> private boolean unloadRegions(boolean unloadFromRack)</span> |
| <span class="source-line-no">432</span><span id="line-432"> throws ExecutionException, InterruptedException, TimeoutException {</span> |
| <span class="source-line-no">433</span><span id="line-433"> return unloadRegions(unloadFromRack, null);</span> |
| <span class="source-line-no">434</span><span id="line-434"> }</span> |
| <span class="source-line-no">435</span><span id="line-435"></span> |
| <span class="source-line-no">436</span><span id="line-436"> /**</span> |
| <span class="source-line-no">437</span><span id="line-437"> * Isolated regions specified in {@link #isolateRegionIdArray} on {@link #hostname} in ack Mode</span> |
| <span class="source-line-no">438</span><span id="line-438"> * and Unload regions from given {@link #hostname} using ack/noAck mode and {@link #maxthreads}.</span> |
| <span class="source-line-no">439</span><span id="line-439"> * In noAck mode we do not make sure that region is successfully online on the target region</span> |
| <span class="source-line-no">440</span><span id="line-440"> * server,hence it is the best effort. We do not unload regions to hostnames given in</span> |
| <span class="source-line-no">441</span><span id="line-441"> * {@link #excludeFile}. If designatedFile is present with some contents, we will unload regions</span> |
| <span class="source-line-no">442</span><span id="line-442"> * to hostnames provided in {@link #designatedFile}</span> |
| <span class="source-line-no">443</span><span id="line-443"> * @return true if region isolation succeeded, false otherwise</span> |
| <span class="source-line-no">444</span><span id="line-444"> */</span> |
| <span class="source-line-no">445</span><span id="line-445"> public boolean isolateRegions()</span> |
| <span class="source-line-no">446</span><span id="line-446"> throws ExecutionException, InterruptedException, TimeoutException {</span> |
| <span class="source-line-no">447</span><span id="line-447"> return unloadRegions(false, isolateRegionIdArray);</span> |
| <span class="source-line-no">448</span><span id="line-448"> }</span> |
| <span class="source-line-no">449</span><span id="line-449"></span> |
| <span class="source-line-no">450</span><span id="line-450"> private boolean unloadRegions(boolean unloadFromRack, List<String> isolateRegionIdArray)</span> |
| <span class="source-line-no">451</span><span id="line-451"> throws InterruptedException, ExecutionException, TimeoutException {</span> |
| <span class="source-line-no">452</span><span id="line-452"> deleteFile(this.filename);</span> |
| <span class="source-line-no">453</span><span id="line-453"> ExecutorService unloadPool = Executors.newFixedThreadPool(1);</span> |
| <span class="source-line-no">454</span><span id="line-454"> Future<Boolean> unloadTask = unloadPool.submit(() -> {</span> |
| <span class="source-line-no">455</span><span id="line-455"> List<RegionInfo> movedRegions = Collections.synchronizedList(new ArrayList<>());</span> |
| <span class="source-line-no">456</span><span id="line-456"> try {</span> |
| <span class="source-line-no">457</span><span id="line-457"> // Get Online RegionServers</span> |
| <span class="source-line-no">458</span><span id="line-458"> List<ServerName> regionServers = new ArrayList<>();</span> |
| <span class="source-line-no">459</span><span id="line-459"> RSGroupInfo rsgroup = admin.getRSGroup(Address.fromParts(hostname, port));</span> |
| <span class="source-line-no">460</span><span id="line-460"> LOG.info("{} belongs to {}", hostname, rsgroup.getName());</span> |
| <span class="source-line-no">461</span><span id="line-461"> regionServers.addAll(filterRSGroupServers(rsgroup, admin.getRegionServers()));</span> |
| <span class="source-line-no">462</span><span id="line-462"> // Remove the host Region server from target Region Servers list</span> |
| <span class="source-line-no">463</span><span id="line-463"> ServerName server = stripServer(regionServers, hostname, port);</span> |
| <span class="source-line-no">464</span><span id="line-464"> if (server == null) {</span> |
| <span class="source-line-no">465</span><span id="line-465"> LOG.info("Could not find server '{}:{}' in the set of region servers. giving up.",</span> |
| <span class="source-line-no">466</span><span id="line-466"> hostname, port);</span> |
| <span class="source-line-no">467</span><span id="line-467"> LOG.debug("List of region servers: {}", regionServers);</span> |
| <span class="source-line-no">468</span><span id="line-468"> return false;</span> |
| <span class="source-line-no">469</span><span id="line-469"> }</span> |
| <span class="source-line-no">470</span><span id="line-470"> // Remove RS not present in the designated file</span> |
| <span class="source-line-no">471</span><span id="line-471"> includeExcludeRegionServers(designatedFile, regionServers, true);</span> |
| <span class="source-line-no">472</span><span id="line-472"></span> |
| <span class="source-line-no">473</span><span id="line-473"> // Remove RS present in the exclude file</span> |
| <span class="source-line-no">474</span><span id="line-474"> includeExcludeRegionServers(excludeFile, regionServers, false);</span> |
| <span class="source-line-no">475</span><span id="line-475"></span> |
| <span class="source-line-no">476</span><span id="line-476"> if (unloadFromRack) {</span> |
| <span class="source-line-no">477</span><span id="line-477"> // remove regionServers that belong to same rack (as source host) since the goal is to</span> |
| <span class="source-line-no">478</span><span id="line-478"> // unload regions from source regionServer to destination regionServers</span> |
| <span class="source-line-no">479</span><span id="line-479"> // that belong to different rack only.</span> |
| <span class="source-line-no">480</span><span id="line-480"> String sourceRack = rackManager.getRack(server);</span> |
| <span class="source-line-no">481</span><span id="line-481"> List<String> racks = rackManager.getRack(regionServers);</span> |
| <span class="source-line-no">482</span><span id="line-482"> Iterator<ServerName> iterator = regionServers.iterator();</span> |
| <span class="source-line-no">483</span><span id="line-483"> int i = 0;</span> |
| <span class="source-line-no">484</span><span id="line-484"> while (iterator.hasNext()) {</span> |
| <span class="source-line-no">485</span><span id="line-485"> iterator.next();</span> |
| <span class="source-line-no">486</span><span id="line-486"> if (racks.size() > i && racks.get(i) != null && racks.get(i).equals(sourceRack)) {</span> |
| <span class="source-line-no">487</span><span id="line-487"> iterator.remove();</span> |
| <span class="source-line-no">488</span><span id="line-488"> }</span> |
| <span class="source-line-no">489</span><span id="line-489"> i++;</span> |
| <span class="source-line-no">490</span><span id="line-490"> }</span> |
| <span class="source-line-no">491</span><span id="line-491"> }</span> |
| <span class="source-line-no">492</span><span id="line-492"></span> |
| <span class="source-line-no">493</span><span id="line-493"> // Remove decommissioned RS</span> |
| <span class="source-line-no">494</span><span id="line-494"> Set<ServerName> decommissionedRS = new HashSet<>(admin.listDecommissionedRegionServers());</span> |
| <span class="source-line-no">495</span><span id="line-495"> if (CollectionUtils.isNotEmpty(decommissionedRS)) {</span> |
| <span class="source-line-no">496</span><span id="line-496"> regionServers.removeIf(decommissionedRS::contains);</span> |
| <span class="source-line-no">497</span><span id="line-497"> LOG.debug("Excluded RegionServers from unloading regions to because they "</span> |
| <span class="source-line-no">498</span><span id="line-498"> + "are marked as decommissioned. Servers: {}", decommissionedRS);</span> |
| <span class="source-line-no">499</span><span id="line-499"> }</span> |
| <span class="source-line-no">500</span><span id="line-500"></span> |
| <span class="source-line-no">501</span><span id="line-501"> stripMaster(regionServers);</span> |
| <span class="source-line-no">502</span><span id="line-502"> if (regionServers.isEmpty()) {</span> |
| <span class="source-line-no">503</span><span id="line-503"> LOG.warn("No Regions were moved - no servers available");</span> |
| <span class="source-line-no">504</span><span id="line-504"> return false;</span> |
| <span class="source-line-no">505</span><span id="line-505"> } else {</span> |
| <span class="source-line-no">506</span><span id="line-506"> LOG.info("Available servers {}", regionServers);</span> |
| <span class="source-line-no">507</span><span id="line-507"> }</span> |
| <span class="source-line-no">508</span><span id="line-508"> unloadRegions(server, regionServers, movedRegions, isolateRegionIdArray);</span> |
| <span class="source-line-no">509</span><span id="line-509"> } catch (Exception e) {</span> |
| <span class="source-line-no">510</span><span id="line-510"> LOG.error("Error while unloading regions ", e);</span> |
| <span class="source-line-no">511</span><span id="line-511"> return false;</span> |
| <span class="source-line-no">512</span><span id="line-512"> } finally {</span> |
| <span class="source-line-no">513</span><span id="line-513"> if (movedRegions != null) {</span> |
| <span class="source-line-no">514</span><span id="line-514"> writeFile(filename, movedRegions);</span> |
| <span class="source-line-no">515</span><span id="line-515"> }</span> |
| <span class="source-line-no">516</span><span id="line-516"> }</span> |
| <span class="source-line-no">517</span><span id="line-517"> return true;</span> |
| <span class="source-line-no">518</span><span id="line-518"> });</span> |
| <span class="source-line-no">519</span><span id="line-519"> return waitTaskToFinish(unloadPool, unloadTask, "unloading");</span> |
| <span class="source-line-no">520</span><span id="line-520"> }</span> |
| <span class="source-line-no">521</span><span id="line-521"></span> |
| <span class="source-line-no">522</span><span id="line-522"> @InterfaceAudience.Private</span> |
| <span class="source-line-no">523</span><span id="line-523"> Collection<ServerName> filterRSGroupServers(RSGroupInfo rsgroup,</span> |
| <span class="source-line-no">524</span><span id="line-524"> Collection<ServerName> onlineServers) {</span> |
| <span class="source-line-no">525</span><span id="line-525"> if (rsgroup.getName().equals(RSGroupInfo.DEFAULT_GROUP)) {</span> |
| <span class="source-line-no">526</span><span id="line-526"> return onlineServers;</span> |
| <span class="source-line-no">527</span><span id="line-527"> }</span> |
| <span class="source-line-no">528</span><span id="line-528"> List<ServerName> serverLists = new ArrayList<>(rsgroup.getServers().size());</span> |
| <span class="source-line-no">529</span><span id="line-529"> for (ServerName server : onlineServers) {</span> |
| <span class="source-line-no">530</span><span id="line-530"> Address address = Address.fromParts(server.getHostname(), server.getPort());</span> |
| <span class="source-line-no">531</span><span id="line-531"> if (rsgroup.containsServer(address)) {</span> |
| <span class="source-line-no">532</span><span id="line-532"> serverLists.add(server);</span> |
| <span class="source-line-no">533</span><span id="line-533"> }</span> |
| <span class="source-line-no">534</span><span id="line-534"> }</span> |
| <span class="source-line-no">535</span><span id="line-535"> return serverLists;</span> |
| <span class="source-line-no">536</span><span id="line-536"> }</span> |
| <span class="source-line-no">537</span><span id="line-537"></span> |
| <span class="source-line-no">538</span><span id="line-538"> private void unloadRegions(ServerName server, List<ServerName> regionServers,</span> |
| <span class="source-line-no">539</span><span id="line-539"> List<RegionInfo> movedRegions, List<String> isolateRegionIdArray) throws Exception {</span> |
| <span class="source-line-no">540</span><span id="line-540"> while (true) {</span> |
| <span class="source-line-no">541</span><span id="line-541"> List<RegionInfo> isolateRegionInfoList = Collections.synchronizedList(new ArrayList<>());</span> |
| <span class="source-line-no">542</span><span id="line-542"> RegionInfo isolateRegionInfo = null;</span> |
| <span class="source-line-no">543</span><span id="line-543"> if (isolateRegionIdArray != null && !isolateRegionIdArray.isEmpty()) {</span> |
| <span class="source-line-no">544</span><span id="line-544"> // Region will be moved to target region server with Ack mode.</span> |
| <span class="source-line-no">545</span><span id="line-545"> final ExecutorService isolateRegionPool = Executors.newFixedThreadPool(maxthreads);</span> |
| <span class="source-line-no">546</span><span id="line-546"> List<Future<Boolean>> isolateRegionTaskList = new ArrayList<>();</span> |
| <span class="source-line-no">547</span><span id="line-547"> List<RegionInfo> recentlyIsolatedRegion = Collections.synchronizedList(new ArrayList<>());</span> |
| <span class="source-line-no">548</span><span id="line-548"> boolean allRegionOpsSuccessful = true;</span> |
| <span class="source-line-no">549</span><span id="line-549"> boolean isMetaIsolated = false;</span> |
| <span class="source-line-no">550</span><span id="line-550"> RegionInfo metaRegionInfo = RegionInfoBuilder.FIRST_META_REGIONINFO;</span> |
| <span class="source-line-no">551</span><span id="line-551"> List<HRegionLocation> hRegionLocationRegionIsolation =</span> |
| <span class="source-line-no">552</span><span id="line-552"> Collections.synchronizedList(new ArrayList<>());</span> |
| <span class="source-line-no">553</span><span id="line-553"> for (String isolateRegionId : isolateRegionIdArray) {</span> |
| <span class="source-line-no">554</span><span id="line-554"> if (isolateRegionId.equalsIgnoreCase(metaRegionInfo.getEncodedName())) {</span> |
| <span class="source-line-no">555</span><span id="line-555"> isMetaIsolated = true;</span> |
| <span class="source-line-no">556</span><span id="line-556"> continue;</span> |
| <span class="source-line-no">557</span><span id="line-557"> }</span> |
| <span class="source-line-no">558</span><span id="line-558"> Result result = MetaTableAccessor.scanByRegionEncodedName(conn, isolateRegionId);</span> |
| <span class="source-line-no">559</span><span id="line-559"> HRegionLocation hRegionLocation =</span> |
| <span class="source-line-no">560</span><span id="line-560"> MetaTableAccessor.getRegionLocation(conn, result.getRow());</span> |
| <span class="source-line-no">561</span><span id="line-561"> if (hRegionLocation != null) {</span> |
| <span class="source-line-no">562</span><span id="line-562"> hRegionLocationRegionIsolation.add(hRegionLocation);</span> |
| <span class="source-line-no">563</span><span id="line-563"> } else {</span> |
| <span class="source-line-no">564</span><span id="line-564"> LOG.error("Region " + isolateRegionId + " doesn't exists/can't fetch from"</span> |
| <span class="source-line-no">565</span><span id="line-565"> + " meta...Quitting now");</span> |
| <span class="source-line-no">566</span><span id="line-566"> // We only move the regions if all the regions were found.</span> |
| <span class="source-line-no">567</span><span id="line-567"> allRegionOpsSuccessful = false;</span> |
| <span class="source-line-no">568</span><span id="line-568"> break;</span> |
| <span class="source-line-no">569</span><span id="line-569"> }</span> |
| <span class="source-line-no">570</span><span id="line-570"> }</span> |
| <span class="source-line-no">571</span><span id="line-571"></span> |
| <span class="source-line-no">572</span><span id="line-572"> if (!allRegionOpsSuccessful) {</span> |
| <span class="source-line-no">573</span><span id="line-573"> break;</span> |
| <span class="source-line-no">574</span><span id="line-574"> }</span> |
| <span class="source-line-no">575</span><span id="line-575"> // If hbase:meta region was isolated, then it needs to be part of isolateRegionInfoList.</span> |
| <span class="source-line-no">576</span><span id="line-576"> if (isMetaIsolated) {</span> |
| <span class="source-line-no">577</span><span id="line-577"> ZKWatcher zkWatcher = new ZKWatcher(conf, null, null);</span> |
| <span class="source-line-no">578</span><span id="line-578"> List<HRegionLocation> result = new ArrayList<>();</span> |
| <span class="source-line-no">579</span><span id="line-579"> for (String znode : zkWatcher.getMetaReplicaNodes()) {</span> |
| <span class="source-line-no">580</span><span id="line-580"> String path = ZNodePaths.joinZNode(zkWatcher.getZNodePaths().baseZNode, znode);</span> |
| <span class="source-line-no">581</span><span id="line-581"> int replicaId = zkWatcher.getZNodePaths().getMetaReplicaIdFromPath(path);</span> |
| <span class="source-line-no">582</span><span id="line-582"> RegionState state = MetaTableLocator.getMetaRegionState(zkWatcher, replicaId);</span> |
| <span class="source-line-no">583</span><span id="line-583"> result.add(new HRegionLocation(state.getRegion(), state.getServerName()));</span> |
| <span class="source-line-no">584</span><span id="line-584"> }</span> |
| <span class="source-line-no">585</span><span id="line-585"> ServerName metaSeverName = result.get(0).getServerName();</span> |
| <span class="source-line-no">586</span><span id="line-586"> // For isolating hbase:meta, it should move explicitly in Ack mode,</span> |
| <span class="source-line-no">587</span><span id="line-587"> // hence the forceMoveRegionByAck = true.</span> |
| <span class="source-line-no">588</span><span id="line-588"> if (!metaSeverName.equals(server)) {</span> |
| <span class="source-line-no">589</span><span id="line-589"> LOG.info("Region of hbase:meta " + metaRegionInfo.getEncodedName() + " is on server "</span> |
| <span class="source-line-no">590</span><span id="line-590"> + metaSeverName + " moving to " + server);</span> |
| <span class="source-line-no">591</span><span id="line-591"> submitRegionMovesWhileUnloading(metaSeverName, Collections.singletonList(server),</span> |
| <span class="source-line-no">592</span><span id="line-592"> movedRegions, Collections.singletonList(metaRegionInfo), true);</span> |
| <span class="source-line-no">593</span><span id="line-593"> } else {</span> |
| <span class="source-line-no">594</span><span id="line-594"> LOG.info("Region of hbase:meta " + metaRegionInfo.getEncodedName() + " already exists"</span> |
| <span class="source-line-no">595</span><span id="line-595"> + " on server : " + server);</span> |
| <span class="source-line-no">596</span><span id="line-596"> }</span> |
| <span class="source-line-no">597</span><span id="line-597"> isolateRegionInfoList.add(RegionInfoBuilder.FIRST_META_REGIONINFO);</span> |
| <span class="source-line-no">598</span><span id="line-598"> }</span> |
| <span class="source-line-no">599</span><span id="line-599"></span> |
| <span class="source-line-no">600</span><span id="line-600"> if (!hRegionLocationRegionIsolation.isEmpty()) {</span> |
| <span class="source-line-no">601</span><span id="line-601"> for (HRegionLocation hRegionLocation : hRegionLocationRegionIsolation) {</span> |
| <span class="source-line-no">602</span><span id="line-602"> isolateRegionInfo = hRegionLocation.getRegion();</span> |
| <span class="source-line-no">603</span><span id="line-603"> isolateRegionInfoList.add(isolateRegionInfo);</span> |
| <span class="source-line-no">604</span><span id="line-604"> if (hRegionLocation.getServerName() == server) {</span> |
| <span class="source-line-no">605</span><span id="line-605"> LOG.info("Region " + hRegionLocation.getRegion().getEncodedName() + " already exists"</span> |
| <span class="source-line-no">606</span><span id="line-606"> + " on server : " + server.getHostname());</span> |
| <span class="source-line-no">607</span><span id="line-607"> } else {</span> |
| <span class="source-line-no">608</span><span id="line-608"> Future<Boolean> isolateRegionTask =</span> |
| <span class="source-line-no">609</span><span id="line-609"> isolateRegionPool.submit(new MoveWithAck(conn, isolateRegionInfo,</span> |
| <span class="source-line-no">610</span><span id="line-610"> hRegionLocation.getServerName(), server, recentlyIsolatedRegion));</span> |
| <span class="source-line-no">611</span><span id="line-611"> isolateRegionTaskList.add(isolateRegionTask);</span> |
| <span class="source-line-no">612</span><span id="line-612"> }</span> |
| <span class="source-line-no">613</span><span id="line-613"> }</span> |
| <span class="source-line-no">614</span><span id="line-614"> }</span> |
| <span class="source-line-no">615</span><span id="line-615"></span> |
| <span class="source-line-no">616</span><span id="line-616"> if (!isolateRegionTaskList.isEmpty()) {</span> |
| <span class="source-line-no">617</span><span id="line-617"> isolateRegionPool.shutdown();</span> |
| <span class="source-line-no">618</span><span id="line-618"> // Now that we have fetched all the region's regionInfo, we can move them.</span> |
| <span class="source-line-no">619</span><span id="line-619"> waitMoveTasksToFinish(isolateRegionPool, isolateRegionTaskList,</span> |
| <span class="source-line-no">620</span><span id="line-620"> admin.getConfiguration().getLong(MOVE_WAIT_MAX_KEY, DEFAULT_MOVE_WAIT_MAX));</span> |
| <span class="source-line-no">621</span><span id="line-621"></span> |
| <span class="source-line-no">622</span><span id="line-622"> Set<RegionInfo> currentRegionsOnTheServer = new HashSet<>(admin.getRegions(server));</span> |
| <span class="source-line-no">623</span><span id="line-623"> if (!currentRegionsOnTheServer.containsAll(isolateRegionInfoList)) {</span> |
| <span class="source-line-no">624</span><span id="line-624"> // If all the regions are not online on the target server,</span> |
| <span class="source-line-no">625</span><span id="line-625"> // we don't put RS in decommission mode and exit from here.</span> |
| <span class="source-line-no">626</span><span id="line-626"> LOG.error("One of the Region move failed OR stuck in transition...Quitting now");</span> |
| <span class="source-line-no">627</span><span id="line-627"> break;</span> |
| <span class="source-line-no">628</span><span id="line-628"> }</span> |
| <span class="source-line-no">629</span><span id="line-629"> } else {</span> |
| <span class="source-line-no">630</span><span id="line-630"> LOG.info("All regions already exists on server : " + server.getHostname());</span> |
| <span class="source-line-no">631</span><span id="line-631"> }</span> |
| <span class="source-line-no">632</span><span id="line-632"> // Once region has been moved to target RS, put the target RS into decommission mode,</span> |
| <span class="source-line-no">633</span><span id="line-633"> // so master doesn't assign new region to the target RS while we unload the target RS.</span> |
| <span class="source-line-no">634</span><span id="line-634"> // Also pass 'offload' flag as false since we don't want master to offload the target RS.</span> |
| <span class="source-line-no">635</span><span id="line-635"> List<ServerName> listOfServer = new ArrayList<>();</span> |
| <span class="source-line-no">636</span><span id="line-636"> listOfServer.add(server);</span> |
| <span class="source-line-no">637</span><span id="line-637"> LOG.info("Putting server : " + server.getHostname() + " in decommission/draining mode");</span> |
| <span class="source-line-no">638</span><span id="line-638"> admin.decommissionRegionServers(listOfServer, false);</span> |
| <span class="source-line-no">639</span><span id="line-639"> }</span> |
| <span class="source-line-no">640</span><span id="line-640"> List<RegionInfo> regionsToMove = admin.getRegions(server);</span> |
| <span class="source-line-no">641</span><span id="line-641"> // Remove all the regions from the online Region list, that we just isolated.</span> |
| <span class="source-line-no">642</span><span id="line-642"> // This will also include hbase:meta if it was isolated.</span> |
| <span class="source-line-no">643</span><span id="line-643"> regionsToMove.removeAll(isolateRegionInfoList);</span> |
| <span class="source-line-no">644</span><span id="line-644"> regionsToMove.removeAll(movedRegions);</span> |
| <span class="source-line-no">645</span><span id="line-645"> if (regionsToMove.isEmpty()) {</span> |
| <span class="source-line-no">646</span><span id="line-646"> LOG.info("No Regions to move....Quitting now");</span> |
| <span class="source-line-no">647</span><span id="line-647"> break;</span> |
| <span class="source-line-no">648</span><span id="line-648"> }</span> |
| <span class="source-line-no">649</span><span id="line-649"> LOG.info("Moving {} regions from {} to {} servers using {} threads .Ack Mode: {}",</span> |
| <span class="source-line-no">650</span><span id="line-650"> regionsToMove.size(), this.hostname, regionServers.size(), this.maxthreads, ack);</span> |
| <span class="source-line-no">651</span><span id="line-651"></span> |
| <span class="source-line-no">652</span><span id="line-652"> Optional<RegionInfo> metaRegion = getMetaRegionInfoIfToBeMoved(regionsToMove);</span> |
| <span class="source-line-no">653</span><span id="line-653"> if (metaRegion.isPresent()) {</span> |
| <span class="source-line-no">654</span><span id="line-654"> RegionInfo meta = metaRegion.get();</span> |
| <span class="source-line-no">655</span><span id="line-655"> // hbase:meta should move explicitly in Ack mode.</span> |
| <span class="source-line-no">656</span><span id="line-656"> submitRegionMovesWhileUnloading(server, regionServers, movedRegions,</span> |
| <span class="source-line-no">657</span><span id="line-657"> Collections.singletonList(meta), true);</span> |
| <span class="source-line-no">658</span><span id="line-658"> regionsToMove.remove(meta);</span> |
| <span class="source-line-no">659</span><span id="line-659"> }</span> |
| <span class="source-line-no">660</span><span id="line-660"> submitRegionMovesWhileUnloading(server, regionServers, movedRegions, regionsToMove, false);</span> |
| <span class="source-line-no">661</span><span id="line-661"> }</span> |
| <span class="source-line-no">662</span><span id="line-662"> }</span> |
| <span class="source-line-no">663</span><span id="line-663"></span> |
| <span class="source-line-no">664</span><span id="line-664"> private void submitRegionMovesWhileUnloading(ServerName server, List<ServerName> regionServers,</span> |
| <span class="source-line-no">665</span><span id="line-665"> List<RegionInfo> movedRegions, List<RegionInfo> regionsToMove, boolean forceMoveRegionByAck)</span> |
| <span class="source-line-no">666</span><span id="line-666"> throws Exception {</span> |
| <span class="source-line-no">667</span><span id="line-667"> final ExecutorService moveRegionsPool = Executors.newFixedThreadPool(this.maxthreads);</span> |
| <span class="source-line-no">668</span><span id="line-668"> List<Future<Boolean>> taskList = new ArrayList<>();</span> |
| <span class="source-line-no">669</span><span id="line-669"> int serverIndex = 0;</span> |
| <span class="source-line-no">670</span><span id="line-670"> for (RegionInfo regionToMove : regionsToMove) {</span> |
| <span class="source-line-no">671</span><span id="line-671"> // To move/isolate hbase:meta on a server, it should happen explicitly by Ack mode, hence the</span> |
| <span class="source-line-no">672</span><span id="line-672"> // forceMoveRegionByAck = true.</span> |
| <span class="source-line-no">673</span><span id="line-673"> if (ack || forceMoveRegionByAck) {</span> |
| <span class="source-line-no">674</span><span id="line-674"> Future<Boolean> task = moveRegionsPool.submit(new MoveWithAck(conn, regionToMove, server,</span> |
| <span class="source-line-no">675</span><span id="line-675"> regionServers.get(serverIndex), movedRegions));</span> |
| <span class="source-line-no">676</span><span id="line-676"> taskList.add(task);</span> |
| <span class="source-line-no">677</span><span id="line-677"> } else {</span> |
| <span class="source-line-no">678</span><span id="line-678"> Future<Boolean> task = moveRegionsPool.submit(new MoveWithoutAck(admin, regionToMove,</span> |
| <span class="source-line-no">679</span><span id="line-679"> server, regionServers.get(serverIndex), movedRegions));</span> |
| <span class="source-line-no">680</span><span id="line-680"> taskList.add(task);</span> |
| <span class="source-line-no">681</span><span id="line-681"> }</span> |
| <span class="source-line-no">682</span><span id="line-682"> serverIndex = (serverIndex + 1) % regionServers.size();</span> |
| <span class="source-line-no">683</span><span id="line-683"> }</span> |
| <span class="source-line-no">684</span><span id="line-684"> moveRegionsPool.shutdown();</span> |
| <span class="source-line-no">685</span><span id="line-685"> long timeoutInSeconds = regionsToMove.size()</span> |
| <span class="source-line-no">686</span><span id="line-686"> * admin.getConfiguration().getLong(MOVE_WAIT_MAX_KEY, DEFAULT_MOVE_WAIT_MAX);</span> |
| <span class="source-line-no">687</span><span id="line-687"> waitMoveTasksToFinish(moveRegionsPool, taskList, timeoutInSeconds);</span> |
| <span class="source-line-no">688</span><span id="line-688"> }</span> |
| <span class="source-line-no">689</span><span id="line-689"></span> |
| <span class="source-line-no">690</span><span id="line-690"> private boolean waitTaskToFinish(ExecutorService pool, Future<Boolean> task, String operation)</span> |
| <span class="source-line-no">691</span><span id="line-691"> throws TimeoutException, InterruptedException, ExecutionException {</span> |
| <span class="source-line-no">692</span><span id="line-692"> pool.shutdown();</span> |
| <span class="source-line-no">693</span><span id="line-693"> try {</span> |
| <span class="source-line-no">694</span><span id="line-694"> if (!pool.awaitTermination((long) this.timeout, TimeUnit.SECONDS)) {</span> |
| <span class="source-line-no">695</span><span id="line-695"> LOG.warn("Timed out before finishing the " + operation + " operation. Timeout: "</span> |
| <span class="source-line-no">696</span><span id="line-696"> + this.timeout + "sec");</span> |
| <span class="source-line-no">697</span><span id="line-697"> pool.shutdownNow();</span> |
| <span class="source-line-no">698</span><span id="line-698"> }</span> |
| <span class="source-line-no">699</span><span id="line-699"> } catch (InterruptedException e) {</span> |
| <span class="source-line-no">700</span><span id="line-700"> pool.shutdownNow();</span> |
| <span class="source-line-no">701</span><span id="line-701"> Thread.currentThread().interrupt();</span> |
| <span class="source-line-no">702</span><span id="line-702"> }</span> |
| <span class="source-line-no">703</span><span id="line-703"> try {</span> |
| <span class="source-line-no">704</span><span id="line-704"> return task.get(5, TimeUnit.SECONDS);</span> |
| <span class="source-line-no">705</span><span id="line-705"> } catch (InterruptedException e) {</span> |
| <span class="source-line-no">706</span><span id="line-706"> LOG.warn("Interrupted while " + operation + " Regions on " + this.hostname, e);</span> |
| <span class="source-line-no">707</span><span id="line-707"> throw e;</span> |
| <span class="source-line-no">708</span><span id="line-708"> } catch (ExecutionException e) {</span> |
| <span class="source-line-no">709</span><span id="line-709"> LOG.error("Error while " + operation + " regions on RegionServer " + this.hostname, e);</span> |
| <span class="source-line-no">710</span><span id="line-710"> throw e;</span> |
| <span class="source-line-no">711</span><span id="line-711"> }</span> |
| <span class="source-line-no">712</span><span id="line-712"> }</span> |
| <span class="source-line-no">713</span><span id="line-713"></span> |
| <span class="source-line-no">714</span><span id="line-714"> private void waitMoveTasksToFinish(ExecutorService moveRegionsPool,</span> |
| <span class="source-line-no">715</span><span id="line-715"> List<Future<Boolean>> taskList, long timeoutInSeconds) throws Exception {</span> |
| <span class="source-line-no">716</span><span id="line-716"> try {</span> |
| <span class="source-line-no">717</span><span id="line-717"> if (!moveRegionsPool.awaitTermination(timeoutInSeconds, TimeUnit.SECONDS)) {</span> |
| <span class="source-line-no">718</span><span id="line-718"> moveRegionsPool.shutdownNow();</span> |
| <span class="source-line-no">719</span><span id="line-719"> }</span> |
| <span class="source-line-no">720</span><span id="line-720"> } catch (InterruptedException e) {</span> |
| <span class="source-line-no">721</span><span id="line-721"> moveRegionsPool.shutdownNow();</span> |
| <span class="source-line-no">722</span><span id="line-722"> Thread.currentThread().interrupt();</span> |
| <span class="source-line-no">723</span><span id="line-723"> }</span> |
| <span class="source-line-no">724</span><span id="line-724"> for (Future<Boolean> future : taskList) {</span> |
| <span class="source-line-no">725</span><span id="line-725"> try {</span> |
| <span class="source-line-no">726</span><span id="line-726"> // if even after shutdownNow threads are stuck we wait for 5 secs max</span> |
| <span class="source-line-no">727</span><span id="line-727"> if (!future.get(5, TimeUnit.SECONDS)) {</span> |
| <span class="source-line-no">728</span><span id="line-728"> LOG.error("Was Not able to move region....Exiting Now");</span> |
| <span class="source-line-no">729</span><span id="line-729"> throw new Exception("Could not move region Exception");</span> |
| <span class="source-line-no">730</span><span id="line-730"> }</span> |
| <span class="source-line-no">731</span><span id="line-731"> } catch (InterruptedException e) {</span> |
| <span class="source-line-no">732</span><span id="line-732"> LOG.error("Interrupted while waiting for Thread to Complete " + e.getMessage(), e);</span> |
| <span class="source-line-no">733</span><span id="line-733"> throw e;</span> |
| <span class="source-line-no">734</span><span id="line-734"> } catch (ExecutionException e) {</span> |
| <span class="source-line-no">735</span><span id="line-735"> boolean ignoreFailure = ignoreRegionMoveFailure(e);</span> |
| <span class="source-line-no">736</span><span id="line-736"> if (ignoreFailure) {</span> |
| <span class="source-line-no">737</span><span id="line-737"> LOG.debug("Ignore region move failure, it might have been split/merged.", e);</span> |
| <span class="source-line-no">738</span><span id="line-738"> } else {</span> |
| <span class="source-line-no">739</span><span id="line-739"> LOG.error("Got Exception From Thread While moving region {}", e.getMessage(), e);</span> |
| <span class="source-line-no">740</span><span id="line-740"> throw e;</span> |
| <span class="source-line-no">741</span><span id="line-741"> }</span> |
| <span class="source-line-no">742</span><span id="line-742"> } catch (CancellationException e) {</span> |
| <span class="source-line-no">743</span><span id="line-743"> LOG.error("Thread for moving region cancelled. Timeout for cancellation:" + timeoutInSeconds</span> |
| <span class="source-line-no">744</span><span id="line-744"> + "secs", e);</span> |
| <span class="source-line-no">745</span><span id="line-745"> throw e;</span> |
| <span class="source-line-no">746</span><span id="line-746"> }</span> |
| <span class="source-line-no">747</span><span id="line-747"> }</span> |
| <span class="source-line-no">748</span><span id="line-748"> }</span> |
| <span class="source-line-no">749</span><span id="line-749"></span> |
| <span class="source-line-no">750</span><span id="line-750"> private boolean ignoreRegionMoveFailure(ExecutionException e) {</span> |
| <span class="source-line-no">751</span><span id="line-751"> boolean ignoreFailure = false;</span> |
| <span class="source-line-no">752</span><span id="line-752"> if (e.getCause() instanceof UnknownRegionException) {</span> |
| <span class="source-line-no">753</span><span id="line-753"> // region does not exist anymore</span> |
| <span class="source-line-no">754</span><span id="line-754"> ignoreFailure = true;</span> |
| <span class="source-line-no">755</span><span id="line-755"> } else if (</span> |
| <span class="source-line-no">756</span><span id="line-756"> e.getCause() instanceof DoNotRetryRegionException && e.getCause().getMessage() != null</span> |
| <span class="source-line-no">757</span><span id="line-757"> && e.getCause().getMessage()</span> |
| <span class="source-line-no">758</span><span id="line-758"> .contains(AssignmentManager.UNEXPECTED_STATE_REGION + "state=SPLIT,")</span> |
| <span class="source-line-no">759</span><span id="line-759"> ) {</span> |
| <span class="source-line-no">760</span><span id="line-760"> // region is recently split</span> |
| <span class="source-line-no">761</span><span id="line-761"> ignoreFailure = true;</span> |
| <span class="source-line-no">762</span><span id="line-762"> }</span> |
| <span class="source-line-no">763</span><span id="line-763"> return ignoreFailure;</span> |
| <span class="source-line-no">764</span><span id="line-764"> }</span> |
| <span class="source-line-no">765</span><span id="line-765"></span> |
| <span class="source-line-no">766</span><span id="line-766"> private ServerName getTargetServer() throws Exception {</span> |
| <span class="source-line-no">767</span><span id="line-767"> ServerName server = null;</span> |
| <span class="source-line-no">768</span><span id="line-768"> int maxWaitInSeconds =</span> |
| <span class="source-line-no">769</span><span id="line-769"> admin.getConfiguration().getInt(SERVERSTART_WAIT_MAX_KEY, DEFAULT_SERVERSTART_WAIT_MAX);</span> |
| <span class="source-line-no">770</span><span id="line-770"> long maxWait = EnvironmentEdgeManager.currentTime() + maxWaitInSeconds * 1000;</span> |
| <span class="source-line-no">771</span><span id="line-771"> while (EnvironmentEdgeManager.currentTime() < maxWait) {</span> |
| <span class="source-line-no">772</span><span id="line-772"> try {</span> |
| <span class="source-line-no">773</span><span id="line-773"> List<ServerName> regionServers = new ArrayList<>();</span> |
| <span class="source-line-no">774</span><span id="line-774"> regionServers.addAll(admin.getRegionServers());</span> |
| <span class="source-line-no">775</span><span id="line-775"> // Remove the host Region server from target Region Servers list</span> |
| <span class="source-line-no">776</span><span id="line-776"> server = stripServer(regionServers, hostname, port);</span> |
| <span class="source-line-no">777</span><span id="line-777"> if (server != null) {</span> |
| <span class="source-line-no">778</span><span id="line-778"> break;</span> |
| <span class="source-line-no">779</span><span id="line-779"> } else {</span> |
| <span class="source-line-no">780</span><span id="line-780"> LOG.warn("Server " + hostname + ":" + port + " is not up yet, waiting");</span> |
| <span class="source-line-no">781</span><span id="line-781"> }</span> |
| <span class="source-line-no">782</span><span id="line-782"> } catch (IOException e) {</span> |
| <span class="source-line-no">783</span><span id="line-783"> LOG.warn("Could not get list of region servers", e);</span> |
| <span class="source-line-no">784</span><span id="line-784"> }</span> |
| <span class="source-line-no">785</span><span id="line-785"> Thread.sleep(500);</span> |
| <span class="source-line-no">786</span><span id="line-786"> }</span> |
| <span class="source-line-no">787</span><span id="line-787"> if (server == null) {</span> |
| <span class="source-line-no">788</span><span id="line-788"> LOG.error("Server " + hostname + ":" + port + " is not up. Giving up.");</span> |
| <span class="source-line-no">789</span><span id="line-789"> throw new Exception("Server " + hostname + ":" + port + " to load regions not online");</span> |
| <span class="source-line-no">790</span><span id="line-790"> }</span> |
| <span class="source-line-no">791</span><span id="line-791"> return server;</span> |
| <span class="source-line-no">792</span><span id="line-792"> }</span> |
| <span class="source-line-no">793</span><span id="line-793"></span> |
| <span class="source-line-no">794</span><span id="line-794"> private List<RegionInfo> readRegionsFromFile(String filename) throws IOException {</span> |
| <span class="source-line-no">795</span><span id="line-795"> List<RegionInfo> regions = new ArrayList<>();</span> |
| <span class="source-line-no">796</span><span id="line-796"> File f = new File(filename);</span> |
| <span class="source-line-no">797</span><span id="line-797"> if (!f.exists()) {</span> |
| <span class="source-line-no">798</span><span id="line-798"> return regions;</span> |
| <span class="source-line-no">799</span><span id="line-799"> }</span> |
| <span class="source-line-no">800</span><span id="line-800"> try (</span> |
| <span class="source-line-no">801</span><span id="line-801"> DataInputStream dis = new DataInputStream(new BufferedInputStream(new FileInputStream(f)))) {</span> |
| <span class="source-line-no">802</span><span id="line-802"> int numRegions = dis.readInt();</span> |
| <span class="source-line-no">803</span><span id="line-803"> int index = 0;</span> |
| <span class="source-line-no">804</span><span id="line-804"> while (index < numRegions) {</span> |
| <span class="source-line-no">805</span><span id="line-805"> regions.add(RegionInfo.parseFromOrNull(Bytes.readByteArray(dis)));</span> |
| <span class="source-line-no">806</span><span id="line-806"> index++;</span> |
| <span class="source-line-no">807</span><span id="line-807"> }</span> |
| <span class="source-line-no">808</span><span id="line-808"> } catch (IOException e) {</span> |
| <span class="source-line-no">809</span><span id="line-809"> LOG.error("Error while reading regions from file:" + filename, e);</span> |
| <span class="source-line-no">810</span><span id="line-810"> throw e;</span> |
| <span class="source-line-no">811</span><span id="line-811"> }</span> |
| <span class="source-line-no">812</span><span id="line-812"> return regions;</span> |
| <span class="source-line-no">813</span><span id="line-813"> }</span> |
| <span class="source-line-no">814</span><span id="line-814"></span> |
| <span class="source-line-no">815</span><span id="line-815"> /**</span> |
| <span class="source-line-no">816</span><span id="line-816"> * Write the number of regions moved in the first line followed by regions moved in subsequent</span> |
| <span class="source-line-no">817</span><span id="line-817"> * lines</span> |
| <span class="source-line-no">818</span><span id="line-818"> */</span> |
| <span class="source-line-no">819</span><span id="line-819"> private void writeFile(String filename, List<RegionInfo> movedRegions) throws IOException {</span> |
| <span class="source-line-no">820</span><span id="line-820"> try (DataOutputStream dos =</span> |
| <span class="source-line-no">821</span><span id="line-821"> new DataOutputStream(new BufferedOutputStream(new FileOutputStream(filename)))) {</span> |
| <span class="source-line-no">822</span><span id="line-822"> dos.writeInt(movedRegions.size());</span> |
| <span class="source-line-no">823</span><span id="line-823"> for (RegionInfo region : movedRegions) {</span> |
| <span class="source-line-no">824</span><span id="line-824"> Bytes.writeByteArray(dos, RegionInfo.toByteArray(region));</span> |
| <span class="source-line-no">825</span><span id="line-825"> }</span> |
| <span class="source-line-no">826</span><span id="line-826"> } catch (IOException e) {</span> |
| <span class="source-line-no">827</span><span id="line-827"> LOG.error("ERROR: Was Not able to write regions moved to output file but moved "</span> |
| <span class="source-line-no">828</span><span id="line-828"> + movedRegions.size() + " regions", e);</span> |
| <span class="source-line-no">829</span><span id="line-829"> throw e;</span> |
| <span class="source-line-no">830</span><span id="line-830"> }</span> |
| <span class="source-line-no">831</span><span id="line-831"> }</span> |
| <span class="source-line-no">832</span><span id="line-832"></span> |
| <span class="source-line-no">833</span><span id="line-833"> private void deleteFile(String filename) {</span> |
| <span class="source-line-no">834</span><span id="line-834"> File f = new File(filename);</span> |
| <span class="source-line-no">835</span><span id="line-835"> if (f.exists()) {</span> |
| <span class="source-line-no">836</span><span id="line-836"> f.delete();</span> |
| <span class="source-line-no">837</span><span id="line-837"> }</span> |
| <span class="source-line-no">838</span><span id="line-838"> }</span> |
| <span class="source-line-no">839</span><span id="line-839"></span> |
| <span class="source-line-no">840</span><span id="line-840"> /**</span> |
| <span class="source-line-no">841</span><span id="line-841"> * @param filename The file should have 'host:port' per line</span> |
| <span class="source-line-no">842</span><span id="line-842"> * @return List of servers from the file in format 'hostname:port'.</span> |
| <span class="source-line-no">843</span><span id="line-843"> */</span> |
| <span class="source-line-no">844</span><span id="line-844"> private List<String> readServersFromFile(String filename) throws IOException {</span> |
| <span class="source-line-no">845</span><span id="line-845"> List<String> servers = new ArrayList<>();</span> |
| <span class="source-line-no">846</span><span id="line-846"> if (filename != null) {</span> |
| <span class="source-line-no">847</span><span id="line-847"> try {</span> |
| <span class="source-line-no">848</span><span id="line-848"> Files.readAllLines(Paths.get(filename)).stream().map(String::trim)</span> |
| <span class="source-line-no">849</span><span id="line-849"> .filter(((Predicate<String>) String::isEmpty).negate()).map(String::toLowerCase)</span> |
| <span class="source-line-no">850</span><span id="line-850"> .forEach(servers::add);</span> |
| <span class="source-line-no">851</span><span id="line-851"> } catch (IOException e) {</span> |
| <span class="source-line-no">852</span><span id="line-852"> LOG.error("Exception while reading servers from file,", e);</span> |
| <span class="source-line-no">853</span><span id="line-853"> throw e;</span> |
| <span class="source-line-no">854</span><span id="line-854"> }</span> |
| <span class="source-line-no">855</span><span id="line-855"> }</span> |
| <span class="source-line-no">856</span><span id="line-856"> return servers;</span> |
| <span class="source-line-no">857</span><span id="line-857"> }</span> |
| <span class="source-line-no">858</span><span id="line-858"></span> |
| <span class="source-line-no">859</span><span id="line-859"> /**</span> |
| <span class="source-line-no">860</span><span id="line-860"> * Designates or excludes the servername whose hostname and port portion matches the list given in</span> |
| <span class="source-line-no">861</span><span id="line-861"> * the file. Example:<br></span> |
| <span class="source-line-no">862</span><span id="line-862"> * If you want to designated RSs, suppose designatedFile has RS1, regionServers has RS1, RS2 and</span> |
| <span class="source-line-no">863</span><span id="line-863"> * RS3. When we call includeExcludeRegionServers(designatedFile, regionServers, true), RS2 and RS3</span> |
| <span class="source-line-no">864</span><span id="line-864"> * are removed from regionServers list so that regions can move to only RS1. If you want to</span> |
| <span class="source-line-no">865</span><span id="line-865"> * exclude RSs, suppose excludeFile has RS1, regionServers has RS1, RS2 and RS3. When we call</span> |
| <span class="source-line-no">866</span><span id="line-866"> * includeExcludeRegionServers(excludeFile, servers, false), RS1 is removed from regionServers</span> |
| <span class="source-line-no">867</span><span id="line-867"> * list so that regions can move to only RS2 and RS3.</span> |
| <span class="source-line-no">868</span><span id="line-868"> */</span> |
| <span class="source-line-no">869</span><span id="line-869"> private void includeExcludeRegionServers(String fileName, List<ServerName> regionServers,</span> |
| <span class="source-line-no">870</span><span id="line-870"> boolean isInclude) throws IOException {</span> |
| <span class="source-line-no">871</span><span id="line-871"> if (fileName != null) {</span> |
| <span class="source-line-no">872</span><span id="line-872"> List<String> servers = readServersFromFile(fileName);</span> |
| <span class="source-line-no">873</span><span id="line-873"> if (servers.isEmpty()) {</span> |
| <span class="source-line-no">874</span><span id="line-874"> LOG.warn("No servers provided in the file: {}." + fileName);</span> |
| <span class="source-line-no">875</span><span id="line-875"> return;</span> |
| <span class="source-line-no">876</span><span id="line-876"> }</span> |
| <span class="source-line-no">877</span><span id="line-877"> Iterator<ServerName> i = regionServers.iterator();</span> |
| <span class="source-line-no">878</span><span id="line-878"> while (i.hasNext()) {</span> |
| <span class="source-line-no">879</span><span id="line-879"> String rs = i.next().getServerName();</span> |
| <span class="source-line-no">880</span><span id="line-880"> String rsPort = rs.split(ServerName.SERVERNAME_SEPARATOR)[0].toLowerCase() + ":"</span> |
| <span class="source-line-no">881</span><span id="line-881"> + rs.split(ServerName.SERVERNAME_SEPARATOR)[1];</span> |
| <span class="source-line-no">882</span><span id="line-882"> if (isInclude != servers.contains(rsPort)) {</span> |
| <span class="source-line-no">883</span><span id="line-883"> i.remove();</span> |
| <span class="source-line-no">884</span><span id="line-884"> }</span> |
| <span class="source-line-no">885</span><span id="line-885"> }</span> |
| <span class="source-line-no">886</span><span id="line-886"> }</span> |
| <span class="source-line-no">887</span><span id="line-887"> }</span> |
| <span class="source-line-no">888</span><span id="line-888"></span> |
| <span class="source-line-no">889</span><span id="line-889"> /**</span> |
| <span class="source-line-no">890</span><span id="line-890"> * Exclude master from list of RSs to move regions to</span> |
| <span class="source-line-no">891</span><span id="line-891"> */</span> |
| <span class="source-line-no">892</span><span id="line-892"> private void stripMaster(List<ServerName> regionServers) throws IOException {</span> |
| <span class="source-line-no">893</span><span id="line-893"> ServerName master = admin.getClusterMetrics(EnumSet.of(Option.MASTER)).getMasterName();</span> |
| <span class="source-line-no">894</span><span id="line-894"> stripServer(regionServers, master.getHostname(), master.getPort());</span> |
| <span class="source-line-no">895</span><span id="line-895"> }</span> |
| <span class="source-line-no">896</span><span id="line-896"></span> |
| <span class="source-line-no">897</span><span id="line-897"> /**</span> |
| <span class="source-line-no">898</span><span id="line-898"> * Remove the servername whose hostname and port portion matches from the passed array of servers.</span> |
| <span class="source-line-no">899</span><span id="line-899"> * Returns as side-effect the servername removed.</span> |
| <span class="source-line-no">900</span><span id="line-900"> * @return server removed from list of Region Servers</span> |
| <span class="source-line-no">901</span><span id="line-901"> */</span> |
| <span class="source-line-no">902</span><span id="line-902"> private ServerName stripServer(List<ServerName> regionServers, String hostname, int port) {</span> |
| <span class="source-line-no">903</span><span id="line-903"> for (Iterator<ServerName> iter = regionServers.iterator(); iter.hasNext();) {</span> |
| <span class="source-line-no">904</span><span id="line-904"> ServerName server = iter.next();</span> |
| <span class="source-line-no">905</span><span id="line-905"> if (</span> |
| <span class="source-line-no">906</span><span id="line-906"> server.getAddress().getHostName().equalsIgnoreCase(hostname)</span> |
| <span class="source-line-no">907</span><span id="line-907"> && server.getAddress().getPort() == port</span> |
| <span class="source-line-no">908</span><span id="line-908"> ) {</span> |
| <span class="source-line-no">909</span><span id="line-909"> iter.remove();</span> |
| <span class="source-line-no">910</span><span id="line-910"> return server;</span> |
| <span class="source-line-no">911</span><span id="line-911"> }</span> |
| <span class="source-line-no">912</span><span id="line-912"> }</span> |
| <span class="source-line-no">913</span><span id="line-913"> return null;</span> |
| <span class="source-line-no">914</span><span id="line-914"> }</span> |
| <span class="source-line-no">915</span><span id="line-915"></span> |
| <span class="source-line-no">916</span><span id="line-916"> @Override</span> |
| <span class="source-line-no">917</span><span id="line-917"> protected void addOptions() {</span> |
| <span class="source-line-no">918</span><span id="line-918"> this.addRequiredOptWithArg("r", "regionserverhost", "region server <hostname>|<hostname:port>");</span> |
| <span class="source-line-no">919</span><span id="line-919"> this.addRequiredOptWithArg("o", "operation",</span> |
| <span class="source-line-no">920</span><span id="line-920"> "Expected: load/unload/unload_from_rack/isolate_regions");</span> |
| <span class="source-line-no">921</span><span id="line-921"> this.addOptWithArg("m", "maxthreads",</span> |
| <span class="source-line-no">922</span><span id="line-922"> "Define the maximum number of threads to use to unload and reload the regions");</span> |
| <span class="source-line-no">923</span><span id="line-923"> this.addOptWithArg("i", "isolateRegionIds",</span> |
| <span class="source-line-no">924</span><span id="line-924"> "Comma separated list of Region IDs hash to isolate on a RegionServer and put region server"</span> |
| <span class="source-line-no">925</span><span id="line-925"> + " in draining mode. This option should only be used with '-o isolate_regions'."</span> |
| <span class="source-line-no">926</span><span id="line-926"> + " By putting region server in decommission/draining mode, master can't assign any"</span> |
| <span class="source-line-no">927</span><span id="line-927"> + " new region on this server. If one or more regions are not found OR failed to isolate"</span> |
| <span class="source-line-no">928</span><span id="line-928"> + " successfully, utility will exist without putting RS in draining/decommission mode."</span> |
| <span class="source-line-no">929</span><span id="line-929"> + " Ex. --isolateRegionIds id1,id2,id3 OR -i id1,id2,id3");</span> |
| <span class="source-line-no">930</span><span id="line-930"> this.addOptWithArg("x", "excludefile",</span> |
| <span class="source-line-no">931</span><span id="line-931"> "File with <hostname:port> per line to exclude as unload targets; default excludes only "</span> |
| <span class="source-line-no">932</span><span id="line-932"> + "target host; useful for rack decommisioning.");</span> |
| <span class="source-line-no">933</span><span id="line-933"> this.addOptWithArg("d", "designatedfile",</span> |
| <span class="source-line-no">934</span><span id="line-934"> "File with <hostname:port> per line as unload targets;" + "default is all online hosts");</span> |
| <span class="source-line-no">935</span><span id="line-935"> this.addOptWithArg("f", "filename",</span> |
| <span class="source-line-no">936</span><span id="line-936"> "File to save regions list into unloading, or read from loading; "</span> |
| <span class="source-line-no">937</span><span id="line-937"> + "default /tmp/<usernamehostname:port>");</span> |
| <span class="source-line-no">938</span><span id="line-938"> this.addOptNoArg("n", "noack",</span> |
| <span class="source-line-no">939</span><span id="line-939"> "Turn on No-Ack mode(default: false) which won't check if region is online on target "</span> |
| <span class="source-line-no">940</span><span id="line-940"> + "RegionServer, hence best effort. This is more performant in unloading and loading "</span> |
| <span class="source-line-no">941</span><span id="line-941"> + "but might lead to region being unavailable for some time till master reassigns it "</span> |
| <span class="source-line-no">942</span><span id="line-942"> + "in case the move failed");</span> |
| <span class="source-line-no">943</span><span id="line-943"> this.addOptWithArg("t", "timeout", "timeout in seconds after which the tool will exit "</span> |
| <span class="source-line-no">944</span><span id="line-944"> + "irrespective of whether it finished or not;default Integer.MAX_VALUE");</span> |
| <span class="source-line-no">945</span><span id="line-945"> }</span> |
| <span class="source-line-no">946</span><span id="line-946"></span> |
| <span class="source-line-no">947</span><span id="line-947"> @Override</span> |
| <span class="source-line-no">948</span><span id="line-948"> protected void processOptions(CommandLine cmd) {</span> |
| <span class="source-line-no">949</span><span id="line-949"> String hostname = cmd.getOptionValue("r");</span> |
| <span class="source-line-no">950</span><span id="line-950"> rmbuilder = new RegionMoverBuilder(hostname);</span> |
| <span class="source-line-no">951</span><span id="line-951"> this.loadUnload = cmd.getOptionValue("o").toLowerCase(Locale.ROOT);</span> |
| <span class="source-line-no">952</span><span id="line-952"> if (cmd.hasOption('m')) {</span> |
| <span class="source-line-no">953</span><span id="line-953"> rmbuilder.maxthreads(Integer.parseInt(cmd.getOptionValue('m')));</span> |
| <span class="source-line-no">954</span><span id="line-954"> }</span> |
| <span class="source-line-no">955</span><span id="line-955"> if (this.loadUnload.equals("isolate_regions") && cmd.hasOption("isolateRegionIds")) {</span> |
| <span class="source-line-no">956</span><span id="line-956"> rmbuilder</span> |
| <span class="source-line-no">957</span><span id="line-957"> .isolateRegionIdArray(Arrays.asList(cmd.getOptionValue("isolateRegionIds").split(",")));</span> |
| <span class="source-line-no">958</span><span id="line-958"> }</span> |
| <span class="source-line-no">959</span><span id="line-959"> if (cmd.hasOption('n')) {</span> |
| <span class="source-line-no">960</span><span id="line-960"> rmbuilder.ack(false);</span> |
| <span class="source-line-no">961</span><span id="line-961"> }</span> |
| <span class="source-line-no">962</span><span id="line-962"> if (cmd.hasOption('f')) {</span> |
| <span class="source-line-no">963</span><span id="line-963"> rmbuilder.filename(cmd.getOptionValue('f'));</span> |
| <span class="source-line-no">964</span><span id="line-964"> }</span> |
| <span class="source-line-no">965</span><span id="line-965"> if (cmd.hasOption('x')) {</span> |
| <span class="source-line-no">966</span><span id="line-966"> rmbuilder.excludeFile(cmd.getOptionValue('x'));</span> |
| <span class="source-line-no">967</span><span id="line-967"> }</span> |
| <span class="source-line-no">968</span><span id="line-968"> if (cmd.hasOption('d')) {</span> |
| <span class="source-line-no">969</span><span id="line-969"> rmbuilder.designatedFile(cmd.getOptionValue('d'));</span> |
| <span class="source-line-no">970</span><span id="line-970"> }</span> |
| <span class="source-line-no">971</span><span id="line-971"> if (cmd.hasOption('t')) {</span> |
| <span class="source-line-no">972</span><span id="line-972"> rmbuilder.timeout(Integer.parseInt(cmd.getOptionValue('t')));</span> |
| <span class="source-line-no">973</span><span id="line-973"> }</span> |
| <span class="source-line-no">974</span><span id="line-974"> }</span> |
| <span class="source-line-no">975</span><span id="line-975"></span> |
| <span class="source-line-no">976</span><span id="line-976"> @Override</span> |
| <span class="source-line-no">977</span><span id="line-977"> protected int doWork() throws Exception {</span> |
| <span class="source-line-no">978</span><span id="line-978"> boolean success;</span> |
| <span class="source-line-no">979</span><span id="line-979"> try (RegionMover rm = rmbuilder.build()) {</span> |
| <span class="source-line-no">980</span><span id="line-980"> if (loadUnload.equalsIgnoreCase("load")) {</span> |
| <span class="source-line-no">981</span><span id="line-981"> success = rm.load();</span> |
| <span class="source-line-no">982</span><span id="line-982"> } else if (loadUnload.equalsIgnoreCase("unload")) {</span> |
| <span class="source-line-no">983</span><span id="line-983"> success = rm.unload();</span> |
| <span class="source-line-no">984</span><span id="line-984"> } else if (loadUnload.equalsIgnoreCase("unload_from_rack")) {</span> |
| <span class="source-line-no">985</span><span id="line-985"> success = rm.unloadFromRack();</span> |
| <span class="source-line-no">986</span><span id="line-986"> } else if (loadUnload.equalsIgnoreCase("isolate_regions")) {</span> |
| <span class="source-line-no">987</span><span id="line-987"> if (rm.isolateRegionIdArray != null && !rm.isolateRegionIdArray.isEmpty()) {</span> |
| <span class="source-line-no">988</span><span id="line-988"> success = rm.isolateRegions();</span> |
| <span class="source-line-no">989</span><span id="line-989"> } else {</span> |
| <span class="source-line-no">990</span><span id="line-990"> LOG.error("Missing -i/--isolate_regions option with '-o isolate_regions' option");</span> |
| <span class="source-line-no">991</span><span id="line-991"> LOG.error("Use -h or --help for usage instructions");</span> |
| <span class="source-line-no">992</span><span id="line-992"> printUsage();</span> |
| <span class="source-line-no">993</span><span id="line-993"> success = false;</span> |
| <span class="source-line-no">994</span><span id="line-994"> }</span> |
| <span class="source-line-no">995</span><span id="line-995"> } else {</span> |
| <span class="source-line-no">996</span><span id="line-996"> printUsage();</span> |
| <span class="source-line-no">997</span><span id="line-997"> success = false;</span> |
| <span class="source-line-no">998</span><span id="line-998"> }</span> |
| <span class="source-line-no">999</span><span id="line-999"> }</span> |
| <span class="source-line-no">1000</span><span id="line-1000"> return (success ? 0 : 1);</span> |
| <span class="source-line-no">1001</span><span id="line-1001"> }</span> |
| <span class="source-line-no">1002</span><span id="line-1002"></span> |
| <span class="source-line-no">1003</span><span id="line-1003"> public static void main(String[] args) {</span> |
| <span class="source-line-no">1004</span><span id="line-1004"> try (RegionMover mover = new RegionMover()) {</span> |
| <span class="source-line-no">1005</span><span id="line-1005"> mover.doStaticMain(args);</span> |
| <span class="source-line-no">1006</span><span id="line-1006"> }</span> |
| <span class="source-line-no">1007</span><span id="line-1007"> }</span> |
| <span class="source-line-no">1008</span><span id="line-1008">}</span> |
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| </div> |
| </main> |
| </body> |
| </html> |
