You are viewing a plain text version of this content. The canonical link for it is here.
Posted to commits@hbase.apache.org by gi...@apache.org on 2018/10/10 14:52:57 UTC
[19/20] hbase-site git commit: Published site at
fe579a1bb34818a058b763afcd2bd3bd9923d5af.
http://git-wip-us.apache.org/repos/asf/hbase-site/blob/87832ef6/apidocs/src-html/org/apache/hadoop/hbase/util/RegionMover.html
----------------------------------------------------------------------
diff --git a/apidocs/src-html/org/apache/hadoop/hbase/util/RegionMover.html b/apidocs/src-html/org/apache/hadoop/hbase/util/RegionMover.html
index fe7808c..0382c19 100644
--- a/apidocs/src-html/org/apache/hadoop/hbase/util/RegionMover.html
+++ b/apidocs/src-html/org/apache/hadoop/hbase/util/RegionMover.html
@@ -27,994 +27,772 @@
<span class="sourceLineNo">019</span><a name="line.19"></a>
<span class="sourceLineNo">020</span>package org.apache.hadoop.hbase.util;<a name="line.20"></a>
<span class="sourceLineNo">021</span><a name="line.21"></a>
-<span class="sourceLineNo">022</span>import java.io.BufferedReader;<a name="line.22"></a>
-<span class="sourceLineNo">023</span>import java.io.DataInputStream;<a name="line.23"></a>
-<span class="sourceLineNo">024</span>import java.io.DataOutputStream;<a name="line.24"></a>
-<span class="sourceLineNo">025</span>import java.io.File;<a name="line.25"></a>
-<span class="sourceLineNo">026</span>import java.io.FileInputStream;<a name="line.26"></a>
-<span class="sourceLineNo">027</span>import java.io.FileOutputStream;<a name="line.27"></a>
-<span class="sourceLineNo">028</span>import java.io.FileReader;<a name="line.28"></a>
-<span class="sourceLineNo">029</span>import java.io.IOException;<a name="line.29"></a>
-<span class="sourceLineNo">030</span>import java.util.ArrayList;<a name="line.30"></a>
-<span class="sourceLineNo">031</span>import java.util.Collections;<a name="line.31"></a>
-<span class="sourceLineNo">032</span>import java.util.EnumSet;<a name="line.32"></a>
-<span class="sourceLineNo">033</span>import java.util.Iterator;<a name="line.33"></a>
-<span class="sourceLineNo">034</span>import java.util.List;<a name="line.34"></a>
-<span class="sourceLineNo">035</span>import java.util.Locale;<a name="line.35"></a>
-<span class="sourceLineNo">036</span>import java.util.concurrent.Callable;<a name="line.36"></a>
-<span class="sourceLineNo">037</span>import java.util.concurrent.CancellationException;<a name="line.37"></a>
-<span class="sourceLineNo">038</span>import java.util.concurrent.ExecutionException;<a name="line.38"></a>
-<span class="sourceLineNo">039</span>import java.util.concurrent.ExecutorService;<a name="line.39"></a>
-<span class="sourceLineNo">040</span>import java.util.concurrent.Executors;<a name="line.40"></a>
-<span class="sourceLineNo">041</span>import java.util.concurrent.Future;<a name="line.41"></a>
-<span class="sourceLineNo">042</span>import java.util.concurrent.TimeUnit;<a name="line.42"></a>
-<span class="sourceLineNo">043</span>import java.util.concurrent.TimeoutException;<a name="line.43"></a>
-<span class="sourceLineNo">044</span>import org.apache.hadoop.conf.Configuration;<a name="line.44"></a>
-<span class="sourceLineNo">045</span>import org.apache.hadoop.hbase.ClusterMetrics.Option;<a name="line.45"></a>
-<span class="sourceLineNo">046</span>import org.apache.hadoop.hbase.HBaseConfiguration;<a name="line.46"></a>
-<span class="sourceLineNo">047</span>import org.apache.hadoop.hbase.HConstants;<a name="line.47"></a>
-<span class="sourceLineNo">048</span>import org.apache.hadoop.hbase.ServerName;<a name="line.48"></a>
-<span class="sourceLineNo">049</span>import org.apache.hadoop.hbase.TableName;<a name="line.49"></a>
-<span class="sourceLineNo">050</span>import org.apache.hadoop.hbase.client.Admin;<a name="line.50"></a>
-<span class="sourceLineNo">051</span>import org.apache.hadoop.hbase.client.Connection;<a name="line.51"></a>
-<span class="sourceLineNo">052</span>import org.apache.hadoop.hbase.client.ConnectionFactory;<a name="line.52"></a>
-<span class="sourceLineNo">053</span>import org.apache.hadoop.hbase.client.Get;<a name="line.53"></a>
-<span class="sourceLineNo">054</span>import org.apache.hadoop.hbase.client.RegionInfo;<a name="line.54"></a>
-<span class="sourceLineNo">055</span>import org.apache.hadoop.hbase.client.Result;<a name="line.55"></a>
-<span class="sourceLineNo">056</span>import org.apache.hadoop.hbase.client.ResultScanner;<a name="line.56"></a>
-<span class="sourceLineNo">057</span>import org.apache.hadoop.hbase.client.Scan;<a name="line.57"></a>
-<span class="sourceLineNo">058</span>import org.apache.hadoop.hbase.client.Table;<a name="line.58"></a>
-<span class="sourceLineNo">059</span>import org.apache.hadoop.hbase.filter.FirstKeyOnlyFilter;<a name="line.59"></a>
-<span class="sourceLineNo">060</span>import org.apache.hadoop.hbase.zookeeper.MetaTableLocator;<a name="line.60"></a>
-<span class="sourceLineNo">061</span>import org.apache.hadoop.hbase.zookeeper.ZKWatcher;<a name="line.61"></a>
-<span class="sourceLineNo">062</span>import org.apache.yetus.audience.InterfaceAudience;<a name="line.62"></a>
-<span class="sourceLineNo">063</span>import org.slf4j.Logger;<a name="line.63"></a>
-<span class="sourceLineNo">064</span>import org.slf4j.LoggerFactory;<a name="line.64"></a>
-<span class="sourceLineNo">065</span><a name="line.65"></a>
-<span class="sourceLineNo">066</span>import org.apache.hbase.thirdparty.com.google.common.annotations.VisibleForTesting;<a name="line.66"></a>
-<span class="sourceLineNo">067</span>import org.apache.hbase.thirdparty.org.apache.commons.cli.CommandLine;<a name="line.67"></a>
-<span class="sourceLineNo">068</span><a name="line.68"></a>
-<span class="sourceLineNo">069</span>/**<a name="line.69"></a>
-<span class="sourceLineNo">070</span> * Tool for loading/unloading regions to/from given regionserver This tool can be run from Command<a name="line.70"></a>
-<span class="sourceLineNo">071</span> * line directly as a utility. Supports Ack/No Ack mode for loading/unloading operations.Ack mode<a name="line.71"></a>
-<span class="sourceLineNo">072</span> * acknowledges if regions are online after movement while noAck mode is best effort mode that<a name="line.72"></a>
-<span class="sourceLineNo">073</span> * improves performance but will still move on if region is stuck/not moved. Motivation behind noAck<a name="line.73"></a>
-<span class="sourceLineNo">074</span> * mode being RS shutdown where even if a Region is stuck, upon shutdown master will move it<a name="line.74"></a>
-<span class="sourceLineNo">075</span> * anyways. This can also be used by constructiong an Object using the builder and then calling<a name="line.75"></a>
-<span class="sourceLineNo">076</span> * {@link #load()} or {@link #unload()} methods for the desired operations.<a name="line.76"></a>
-<span class="sourceLineNo">077</span> */<a name="line.77"></a>
-<span class="sourceLineNo">078</span>@InterfaceAudience.Public<a name="line.78"></a>
-<span class="sourceLineNo">079</span>public class RegionMover extends AbstractHBaseTool {<a name="line.79"></a>
-<span class="sourceLineNo">080</span> public static final String MOVE_RETRIES_MAX_KEY = "hbase.move.retries.max";<a name="line.80"></a>
-<span class="sourceLineNo">081</span> public static final String MOVE_WAIT_MAX_KEY = "hbase.move.wait.max";<a name="line.81"></a>
-<span class="sourceLineNo">082</span> public static final String SERVERSTART_WAIT_MAX_KEY = "hbase.serverstart.wait.max";<a name="line.82"></a>
-<span class="sourceLineNo">083</span> public static final int DEFAULT_MOVE_RETRIES_MAX = 5;<a name="line.83"></a>
-<span class="sourceLineNo">084</span> public static final int DEFAULT_MOVE_WAIT_MAX = 60;<a name="line.84"></a>
-<span class="sourceLineNo">085</span> public static final int DEFAULT_SERVERSTART_WAIT_MAX = 180;<a name="line.85"></a>
-<span class="sourceLineNo">086</span> static final Logger LOG = LoggerFactory.getLogger(RegionMover.class);<a name="line.86"></a>
-<span class="sourceLineNo">087</span> private RegionMoverBuilder rmbuilder;<a name="line.87"></a>
-<span class="sourceLineNo">088</span> private boolean ack = true;<a name="line.88"></a>
-<span class="sourceLineNo">089</span> private int maxthreads = 1;<a name="line.89"></a>
-<span class="sourceLineNo">090</span> private int timeout;<a name="line.90"></a>
-<span class="sourceLineNo">091</span> private String loadUnload;<a name="line.91"></a>
-<span class="sourceLineNo">092</span> private String hostname;<a name="line.92"></a>
-<span class="sourceLineNo">093</span> private String filename;<a name="line.93"></a>
-<span class="sourceLineNo">094</span> private String excludeFile;<a name="line.94"></a>
-<span class="sourceLineNo">095</span> private int port;<a name="line.95"></a>
-<span class="sourceLineNo">096</span><a name="line.96"></a>
-<span class="sourceLineNo">097</span> private RegionMover(RegionMoverBuilder builder) {<a name="line.97"></a>
-<span class="sourceLineNo">098</span> this.hostname = builder.hostname;<a name="line.98"></a>
-<span class="sourceLineNo">099</span> this.filename = builder.filename;<a name="line.99"></a>
-<span class="sourceLineNo">100</span> this.excludeFile = builder.excludeFile;<a name="line.100"></a>
-<span class="sourceLineNo">101</span> this.maxthreads = builder.maxthreads;<a name="line.101"></a>
-<span class="sourceLineNo">102</span> this.ack = builder.ack;<a name="line.102"></a>
-<span class="sourceLineNo">103</span> this.port = builder.port;<a name="line.103"></a>
-<span class="sourceLineNo">104</span> this.timeout = builder.timeout;<a name="line.104"></a>
-<span class="sourceLineNo">105</span> setConf(builder.conf);<a name="line.105"></a>
-<span class="sourceLineNo">106</span> }<a name="line.106"></a>
-<span class="sourceLineNo">107</span><a name="line.107"></a>
-<span class="sourceLineNo">108</span> private RegionMover() {<a name="line.108"></a>
-<span class="sourceLineNo">109</span> }<a name="line.109"></a>
-<span class="sourceLineNo">110</span><a name="line.110"></a>
-<span class="sourceLineNo">111</span> /**<a name="line.111"></a>
-<span class="sourceLineNo">112</span> * Builder for Region mover. Use the {@link #build()} method to create RegionMover object. Has<a name="line.112"></a>
-<span class="sourceLineNo">113</span> * {@link #filename(String)}, {@link #excludeFile(String)}, {@link #maxthreads(int)},<a name="line.113"></a>
-<span class="sourceLineNo">114</span> * {@link #ack(boolean)}, {@link #timeout(int)} methods to set the corresponding options<a name="line.114"></a>
-<span class="sourceLineNo">115</span> */<a name="line.115"></a>
-<span class="sourceLineNo">116</span> public static class RegionMoverBuilder {<a name="line.116"></a>
-<span class="sourceLineNo">117</span> private boolean ack = true;<a name="line.117"></a>
-<span class="sourceLineNo">118</span> private int maxthreads = 1;<a name="line.118"></a>
-<span class="sourceLineNo">119</span> private int timeout = Integer.MAX_VALUE;<a name="line.119"></a>
-<span class="sourceLineNo">120</span> private String hostname;<a name="line.120"></a>
-<span class="sourceLineNo">121</span> private String filename;<a name="line.121"></a>
-<span class="sourceLineNo">122</span> private String excludeFile = null;<a name="line.122"></a>
-<span class="sourceLineNo">123</span> private String defaultDir = System.getProperty("java.io.tmpdir");<a name="line.123"></a>
-<span class="sourceLineNo">124</span><a name="line.124"></a>
-<span class="sourceLineNo">125</span> @VisibleForTesting<a name="line.125"></a>
-<span class="sourceLineNo">126</span> final int port;<a name="line.126"></a>
-<span class="sourceLineNo">127</span> private final Configuration conf;<a name="line.127"></a>
-<span class="sourceLineNo">128</span><a name="line.128"></a>
-<span class="sourceLineNo">129</span> public RegionMoverBuilder(String hostname) {<a name="line.129"></a>
-<span class="sourceLineNo">130</span> this(hostname, createConf());<a name="line.130"></a>
-<span class="sourceLineNo">131</span> }<a name="line.131"></a>
-<span class="sourceLineNo">132</span><a name="line.132"></a>
-<span class="sourceLineNo">133</span> /**<a name="line.133"></a>
-<span class="sourceLineNo">134</span> * Creates a new configuration and sets region mover specific overrides<a name="line.134"></a>
-<span class="sourceLineNo">135</span> */<a name="line.135"></a>
-<span class="sourceLineNo">136</span> private static Configuration createConf() {<a name="line.136"></a>
-<span class="sourceLineNo">137</span> Configuration conf = HBaseConfiguration.create();<a name="line.137"></a>
-<span class="sourceLineNo">138</span> conf.setInt("hbase.client.prefetch.limit", 1);<a name="line.138"></a>
-<span class="sourceLineNo">139</span> conf.setInt("hbase.client.pause", 500);<a name="line.139"></a>
-<span class="sourceLineNo">140</span> conf.setInt("hbase.client.retries.number", 100);<a name="line.140"></a>
-<span class="sourceLineNo">141</span> return conf;<a name="line.141"></a>
+<span class="sourceLineNo">022</span>import java.io.BufferedInputStream;<a name="line.22"></a>
+<span class="sourceLineNo">023</span>import java.io.BufferedOutputStream;<a name="line.23"></a>
+<span class="sourceLineNo">024</span>import java.io.Closeable;<a name="line.24"></a>
+<span class="sourceLineNo">025</span>import java.io.DataInputStream;<a name="line.25"></a>
+<span class="sourceLineNo">026</span>import java.io.DataOutputStream;<a name="line.26"></a>
+<span class="sourceLineNo">027</span>import java.io.File;<a name="line.27"></a>
+<span class="sourceLineNo">028</span>import java.io.FileInputStream;<a name="line.28"></a>
+<span class="sourceLineNo">029</span>import java.io.FileOutputStream;<a name="line.29"></a>
+<span class="sourceLineNo">030</span>import java.io.IOException;<a name="line.30"></a>
+<span class="sourceLineNo">031</span>import java.nio.file.Files;<a name="line.31"></a>
+<span class="sourceLineNo">032</span>import java.nio.file.Paths;<a name="line.32"></a>
+<span class="sourceLineNo">033</span>import java.util.ArrayList;<a name="line.33"></a>
+<span class="sourceLineNo">034</span>import java.util.Collections;<a name="line.34"></a>
+<span class="sourceLineNo">035</span>import java.util.EnumSet;<a name="line.35"></a>
+<span class="sourceLineNo">036</span>import java.util.Iterator;<a name="line.36"></a>
+<span class="sourceLineNo">037</span>import java.util.List;<a name="line.37"></a>
+<span class="sourceLineNo">038</span>import java.util.Locale;<a name="line.38"></a>
+<span class="sourceLineNo">039</span>import java.util.concurrent.Callable;<a name="line.39"></a>
+<span class="sourceLineNo">040</span>import java.util.concurrent.CancellationException;<a name="line.40"></a>
+<span class="sourceLineNo">041</span>import java.util.concurrent.ExecutionException;<a name="line.41"></a>
+<span class="sourceLineNo">042</span>import java.util.concurrent.ExecutorService;<a name="line.42"></a>
+<span class="sourceLineNo">043</span>import java.util.concurrent.Executors;<a name="line.43"></a>
+<span class="sourceLineNo">044</span>import java.util.concurrent.Future;<a name="line.44"></a>
+<span class="sourceLineNo">045</span>import java.util.concurrent.TimeUnit;<a name="line.45"></a>
+<span class="sourceLineNo">046</span>import java.util.concurrent.TimeoutException;<a name="line.46"></a>
+<span class="sourceLineNo">047</span>import java.util.function.Predicate;<a name="line.47"></a>
+<span class="sourceLineNo">048</span><a name="line.48"></a>
+<span class="sourceLineNo">049</span>import org.apache.commons.io.IOUtils;<a name="line.49"></a>
+<span class="sourceLineNo">050</span>import org.apache.hadoop.conf.Configuration;<a name="line.50"></a>
+<span class="sourceLineNo">051</span>import org.apache.hadoop.hbase.ClusterMetrics.Option;<a name="line.51"></a>
+<span class="sourceLineNo">052</span>import org.apache.hadoop.hbase.HBaseConfiguration;<a name="line.52"></a>
+<span class="sourceLineNo">053</span>import org.apache.hadoop.hbase.HConstants;<a name="line.53"></a>
+<span class="sourceLineNo">054</span>import org.apache.hadoop.hbase.MetaTableAccessor;<a name="line.54"></a>
+<span class="sourceLineNo">055</span>import org.apache.hadoop.hbase.ServerName;<a name="line.55"></a>
+<span class="sourceLineNo">056</span>import org.apache.hadoop.hbase.client.Admin;<a name="line.56"></a>
+<span class="sourceLineNo">057</span>import org.apache.hadoop.hbase.client.Connection;<a name="line.57"></a>
+<span class="sourceLineNo">058</span>import org.apache.hadoop.hbase.client.ConnectionFactory;<a name="line.58"></a>
+<span class="sourceLineNo">059</span>import org.apache.hadoop.hbase.client.RegionInfo;<a name="line.59"></a>
+<span class="sourceLineNo">060</span>import org.apache.hadoop.hbase.client.ResultScanner;<a name="line.60"></a>
+<span class="sourceLineNo">061</span>import org.apache.hadoop.hbase.client.Scan;<a name="line.61"></a>
+<span class="sourceLineNo">062</span>import org.apache.hadoop.hbase.client.Table;<a name="line.62"></a>
+<span class="sourceLineNo">063</span>import org.apache.hadoop.hbase.filter.FirstKeyOnlyFilter;<a name="line.63"></a>
+<span class="sourceLineNo">064</span>import org.apache.yetus.audience.InterfaceAudience;<a name="line.64"></a>
+<span class="sourceLineNo">065</span>import org.slf4j.Logger;<a name="line.65"></a>
+<span class="sourceLineNo">066</span>import org.slf4j.LoggerFactory;<a name="line.66"></a>
+<span class="sourceLineNo">067</span><a name="line.67"></a>
+<span class="sourceLineNo">068</span>import org.apache.hbase.thirdparty.com.google.common.annotations.VisibleForTesting;<a name="line.68"></a>
+<span class="sourceLineNo">069</span>import org.apache.hbase.thirdparty.org.apache.commons.cli.CommandLine;<a name="line.69"></a>
+<span class="sourceLineNo">070</span><a name="line.70"></a>
+<span class="sourceLineNo">071</span>/**<a name="line.71"></a>
+<span class="sourceLineNo">072</span> * Tool for loading/unloading regions to/from given regionserver This tool can be run from Command<a name="line.72"></a>
+<span class="sourceLineNo">073</span> * line directly as a utility. Supports Ack/No Ack mode for loading/unloading operations.Ack mode<a name="line.73"></a>
+<span class="sourceLineNo">074</span> * acknowledges if regions are online after movement while noAck mode is best effort mode that<a name="line.74"></a>
+<span class="sourceLineNo">075</span> * improves performance but will still move on if region is stuck/not moved. Motivation behind noAck<a name="line.75"></a>
+<span class="sourceLineNo">076</span> * mode being RS shutdown where even if a Region is stuck, upon shutdown master will move it<a name="line.76"></a>
+<span class="sourceLineNo">077</span> * anyways. This can also be used by constructiong an Object using the builder and then calling<a name="line.77"></a>
+<span class="sourceLineNo">078</span> * {@link #load()} or {@link #unload()} methods for the desired operations.<a name="line.78"></a>
+<span class="sourceLineNo">079</span> */<a name="line.79"></a>
+<span class="sourceLineNo">080</span>@InterfaceAudience.Public<a name="line.80"></a>
+<span class="sourceLineNo">081</span>public class RegionMover extends AbstractHBaseTool implements Closeable {<a name="line.81"></a>
+<span class="sourceLineNo">082</span> public static final String MOVE_RETRIES_MAX_KEY = "hbase.move.retries.max";<a name="line.82"></a>
+<span class="sourceLineNo">083</span> public static final String MOVE_WAIT_MAX_KEY = "hbase.move.wait.max";<a name="line.83"></a>
+<span class="sourceLineNo">084</span> public static final String SERVERSTART_WAIT_MAX_KEY = "hbase.serverstart.wait.max";<a name="line.84"></a>
+<span class="sourceLineNo">085</span> public static final int DEFAULT_MOVE_RETRIES_MAX = 5;<a name="line.85"></a>
+<span class="sourceLineNo">086</span> public static final int DEFAULT_MOVE_WAIT_MAX = 60;<a name="line.86"></a>
+<span class="sourceLineNo">087</span> public static final int DEFAULT_SERVERSTART_WAIT_MAX = 180;<a name="line.87"></a>
+<span class="sourceLineNo">088</span> static final Logger LOG = LoggerFactory.getLogger(RegionMover.class);<a name="line.88"></a>
+<span class="sourceLineNo">089</span> private RegionMoverBuilder rmbuilder;<a name="line.89"></a>
+<span class="sourceLineNo">090</span> private boolean ack = true;<a name="line.90"></a>
+<span class="sourceLineNo">091</span> private int maxthreads = 1;<a name="line.91"></a>
+<span class="sourceLineNo">092</span> private int timeout;<a name="line.92"></a>
+<span class="sourceLineNo">093</span> private String loadUnload;<a name="line.93"></a>
+<span class="sourceLineNo">094</span> private String hostname;<a name="line.94"></a>
+<span class="sourceLineNo">095</span> private String filename;<a name="line.95"></a>
+<span class="sourceLineNo">096</span> private String excludeFile;<a name="line.96"></a>
+<span class="sourceLineNo">097</span> private int port;<a name="line.97"></a>
+<span class="sourceLineNo">098</span> private Connection conn;<a name="line.98"></a>
+<span class="sourceLineNo">099</span> private Admin admin;<a name="line.99"></a>
+<span class="sourceLineNo">100</span><a name="line.100"></a>
+<span class="sourceLineNo">101</span> private RegionMover(RegionMoverBuilder builder) throws IOException {<a name="line.101"></a>
+<span class="sourceLineNo">102</span> this.hostname = builder.hostname;<a name="line.102"></a>
+<span class="sourceLineNo">103</span> this.filename = builder.filename;<a name="line.103"></a>
+<span class="sourceLineNo">104</span> this.excludeFile = builder.excludeFile;<a name="line.104"></a>
+<span class="sourceLineNo">105</span> this.maxthreads = builder.maxthreads;<a name="line.105"></a>
+<span class="sourceLineNo">106</span> this.ack = builder.ack;<a name="line.106"></a>
+<span class="sourceLineNo">107</span> this.port = builder.port;<a name="line.107"></a>
+<span class="sourceLineNo">108</span> this.timeout = builder.timeout;<a name="line.108"></a>
+<span class="sourceLineNo">109</span> setConf(builder.conf);<a name="line.109"></a>
+<span class="sourceLineNo">110</span> this.conn = ConnectionFactory.createConnection(conf);<a name="line.110"></a>
+<span class="sourceLineNo">111</span> this.admin = conn.getAdmin();<a name="line.111"></a>
+<span class="sourceLineNo">112</span> }<a name="line.112"></a>
+<span class="sourceLineNo">113</span><a name="line.113"></a>
+<span class="sourceLineNo">114</span> private RegionMover() {<a name="line.114"></a>
+<span class="sourceLineNo">115</span> }<a name="line.115"></a>
+<span class="sourceLineNo">116</span><a name="line.116"></a>
+<span class="sourceLineNo">117</span> @Override<a name="line.117"></a>
+<span class="sourceLineNo">118</span> public void close() {<a name="line.118"></a>
+<span class="sourceLineNo">119</span> IOUtils.closeQuietly(this.admin);<a name="line.119"></a>
+<span class="sourceLineNo">120</span> IOUtils.closeQuietly(this.conn);<a name="line.120"></a>
+<span class="sourceLineNo">121</span> }<a name="line.121"></a>
+<span class="sourceLineNo">122</span><a name="line.122"></a>
+<span class="sourceLineNo">123</span> /**<a name="line.123"></a>
+<span class="sourceLineNo">124</span> * Builder for Region mover. Use the {@link #build()} method to create RegionMover object. Has<a name="line.124"></a>
+<span class="sourceLineNo">125</span> * {@link #filename(String)}, {@link #excludeFile(String)}, {@link #maxthreads(int)},<a name="line.125"></a>
+<span class="sourceLineNo">126</span> * {@link #ack(boolean)}, {@link #timeout(int)} methods to set the corresponding options<a name="line.126"></a>
+<span class="sourceLineNo">127</span> */<a name="line.127"></a>
+<span class="sourceLineNo">128</span> public static class RegionMoverBuilder {<a name="line.128"></a>
+<span class="sourceLineNo">129</span> private boolean ack = true;<a name="line.129"></a>
+<span class="sourceLineNo">130</span> private int maxthreads = 1;<a name="line.130"></a>
+<span class="sourceLineNo">131</span> private int timeout = Integer.MAX_VALUE;<a name="line.131"></a>
+<span class="sourceLineNo">132</span> private String hostname;<a name="line.132"></a>
+<span class="sourceLineNo">133</span> private String filename;<a name="line.133"></a>
+<span class="sourceLineNo">134</span> private String excludeFile = null;<a name="line.134"></a>
+<span class="sourceLineNo">135</span> private String defaultDir = System.getProperty("java.io.tmpdir");<a name="line.135"></a>
+<span class="sourceLineNo">136</span> @VisibleForTesting<a name="line.136"></a>
+<span class="sourceLineNo">137</span> final int port;<a name="line.137"></a>
+<span class="sourceLineNo">138</span> private final Configuration conf;<a name="line.138"></a>
+<span class="sourceLineNo">139</span><a name="line.139"></a>
+<span class="sourceLineNo">140</span> public RegionMoverBuilder(String hostname) {<a name="line.140"></a>
+<span class="sourceLineNo">141</span> this(hostname, createConf());<a name="line.141"></a>
<span class="sourceLineNo">142</span> }<a name="line.142"></a>
<span class="sourceLineNo">143</span><a name="line.143"></a>
<span class="sourceLineNo">144</span> /**<a name="line.144"></a>
-<span class="sourceLineNo">145</span> * @param hostname Hostname to unload regions from or load regions to. Can be either hostname<a name="line.145"></a>
-<span class="sourceLineNo">146</span> * or hostname:port.<a name="line.146"></a>
-<span class="sourceLineNo">147</span> * @param conf Configuration object<a name="line.147"></a>
-<span class="sourceLineNo">148</span> */<a name="line.148"></a>
-<span class="sourceLineNo">149</span> public RegionMoverBuilder(String hostname, Configuration conf) {<a name="line.149"></a>
-<span class="sourceLineNo">150</span> String[] splitHostname = hostname.toLowerCase().split(":");<a name="line.150"></a>
-<span class="sourceLineNo">151</span> this.hostname = splitHostname[0];<a name="line.151"></a>
-<span class="sourceLineNo">152</span> if (splitHostname.length == 2) {<a name="line.152"></a>
-<span class="sourceLineNo">153</span> this.port = Integer.parseInt(splitHostname[1]);<a name="line.153"></a>
-<span class="sourceLineNo">154</span> } else {<a name="line.154"></a>
-<span class="sourceLineNo">155</span> this.port = conf.getInt(HConstants.REGIONSERVER_PORT, HConstants.DEFAULT_REGIONSERVER_PORT);<a name="line.155"></a>
-<span class="sourceLineNo">156</span> }<a name="line.156"></a>
-<span class="sourceLineNo">157</span> this.filename = defaultDir + File.separator + System.getProperty("user.name") + this.hostname<a name="line.157"></a>
-<span class="sourceLineNo">158</span> + ":" + Integer.toString(this.port);<a name="line.158"></a>
-<span class="sourceLineNo">159</span> this.conf = conf;<a name="line.159"></a>
-<span class="sourceLineNo">160</span> }<a name="line.160"></a>
-<span class="sourceLineNo">161</span><a name="line.161"></a>
-<span class="sourceLineNo">162</span> /**<a name="line.162"></a>
-<span class="sourceLineNo">163</span> * Path of file where regions will be written to during unloading/read from during loading<a name="line.163"></a>
-<span class="sourceLineNo">164</span> * @param filename<a name="line.164"></a>
-<span class="sourceLineNo">165</span> * @return RegionMoverBuilder object<a name="line.165"></a>
-<span class="sourceLineNo">166</span> */<a name="line.166"></a>
-<span class="sourceLineNo">167</span> public RegionMoverBuilder filename(String filename) {<a name="line.167"></a>
-<span class="sourceLineNo">168</span> this.filename = filename;<a name="line.168"></a>
-<span class="sourceLineNo">169</span> return this;<a name="line.169"></a>
-<span class="sourceLineNo">170</span> }<a name="line.170"></a>
-<span class="sourceLineNo">171</span><a name="line.171"></a>
-<span class="sourceLineNo">172</span> /**<a name="line.172"></a>
-<span class="sourceLineNo">173</span> * Set the max number of threads that will be used to move regions<a name="line.173"></a>
-<span class="sourceLineNo">174</span> */<a name="line.174"></a>
-<span class="sourceLineNo">175</span> public RegionMoverBuilder maxthreads(int threads) {<a name="line.175"></a>
-<span class="sourceLineNo">176</span> this.maxthreads = threads;<a name="line.176"></a>
-<span class="sourceLineNo">177</span> return this;<a name="line.177"></a>
-<span class="sourceLineNo">178</span> }<a name="line.178"></a>
-<span class="sourceLineNo">179</span><a name="line.179"></a>
-<span class="sourceLineNo">180</span> /**<a name="line.180"></a>
-<span class="sourceLineNo">181</span> * Path of file containing hostnames to be excluded during region movement. Exclude file should<a name="line.181"></a>
-<span class="sourceLineNo">182</span> * have 'host:port' per line. Port is mandatory here as we can have many RS running on a single<a name="line.182"></a>
-<span class="sourceLineNo">183</span> * host.<a name="line.183"></a>
-<span class="sourceLineNo">184</span> */<a name="line.184"></a>
-<span class="sourceLineNo">185</span> public RegionMoverBuilder excludeFile(String excludefile) {<a name="line.185"></a>
-<span class="sourceLineNo">186</span> this.excludeFile = excludefile;<a name="line.186"></a>
-<span class="sourceLineNo">187</span> return this;<a name="line.187"></a>
-<span class="sourceLineNo">188</span> }<a name="line.188"></a>
-<span class="sourceLineNo">189</span><a name="line.189"></a>
-<span class="sourceLineNo">190</span> /**<a name="line.190"></a>
-<span class="sourceLineNo">191</span> * Set ack/noAck mode.<a name="line.191"></a>
-<span class="sourceLineNo">192</span> * <p><a name="line.192"></a>
-<span class="sourceLineNo">193</span> * In ack mode regions are acknowledged before and after moving and the move is retried<a name="line.193"></a>
-<span class="sourceLineNo">194</span> * hbase.move.retries.max times, if unsuccessful we quit with exit code 1.No Ack mode is a best<a name="line.194"></a>
-<span class="sourceLineNo">195</span> * effort mode,each region movement is tried once.This can be used during graceful shutdown as<a name="line.195"></a>
-<span class="sourceLineNo">196</span> * even if we have a stuck region,upon shutdown it'll be reassigned anyway.<a name="line.196"></a>
-<span class="sourceLineNo">197</span> * <p><a name="line.197"></a>
-<span class="sourceLineNo">198</span> * @param ack<a name="line.198"></a>
-<span class="sourceLineNo">199</span> * @return RegionMoverBuilder object<a name="line.199"></a>
-<span class="sourceLineNo">200</span> */<a name="line.200"></a>
-<span class="sourceLineNo">201</span> public RegionMoverBuilder ack(boolean ack) {<a name="line.201"></a>
-<span class="sourceLineNo">202</span> this.ack = ack;<a name="line.202"></a>
-<span class="sourceLineNo">203</span> return this;<a name="line.203"></a>
-<span class="sourceLineNo">204</span> }<a name="line.204"></a>
-<span class="sourceLineNo">205</span><a name="line.205"></a>
-<span class="sourceLineNo">206</span> /**<a name="line.206"></a>
-<span class="sourceLineNo">207</span> * Set the timeout for Load/Unload operation in seconds.This is a global timeout,threadpool for<a name="line.207"></a>
-<span class="sourceLineNo">208</span> * movers also have a separate time which is hbase.move.wait.max * number of regions to<a name="line.208"></a>
-<span class="sourceLineNo">209</span> * load/unload<a name="line.209"></a>
-<span class="sourceLineNo">210</span> * @param timeout in seconds<a name="line.210"></a>
-<span class="sourceLineNo">211</span> * @return RegionMoverBuilder object<a name="line.211"></a>
-<span class="sourceLineNo">212</span> */<a name="line.212"></a>
-<span class="sourceLineNo">213</span> public RegionMoverBuilder timeout(int timeout) {<a name="line.213"></a>
-<span class="sourceLineNo">214</span> this.timeout = timeout;<a name="line.214"></a>
-<span class="sourceLineNo">215</span> return this;<a name="line.215"></a>
-<span class="sourceLineNo">216</span> }<a name="line.216"></a>
-<span class="sourceLineNo">217</span><a name="line.217"></a>
-<span class="sourceLineNo">218</span> /**<a name="line.218"></a>
-<span class="sourceLineNo">219</span> * This method builds the appropriate RegionMover object which can then be used to load/unload<a name="line.219"></a>
-<span class="sourceLineNo">220</span> * using load and unload methods<a name="line.220"></a>
-<span class="sourceLineNo">221</span> * @return RegionMover object<a name="line.221"></a>
-<span class="sourceLineNo">222</span> */<a name="line.222"></a>
-<span class="sourceLineNo">223</span> public RegionMover build() {<a name="line.223"></a>
-<span class="sourceLineNo">224</span> return new RegionMover(this);<a name="line.224"></a>
-<span class="sourceLineNo">225</span> }<a name="line.225"></a>
-<span class="sourceLineNo">226</span> }<a name="line.226"></a>
-<span class="sourceLineNo">227</span><a name="line.227"></a>
-<span class="sourceLineNo">228</span> /**<a name="line.228"></a>
-<span class="sourceLineNo">229</span> * Loads the specified {@link #hostname} with regions listed in the {@link #filename} RegionMover<a name="line.229"></a>
-<span class="sourceLineNo">230</span> * Object has to be created using {@link #RegionMover(RegionMoverBuilder)}<a name="line.230"></a>
-<span class="sourceLineNo">231</span> * @return true if loading succeeded, false otherwise<a name="line.231"></a>
-<span class="sourceLineNo">232</span> * @throws ExecutionException<a name="line.232"></a>
-<span class="sourceLineNo">233</span> * @throws InterruptedException if the loader thread was interrupted<a name="line.233"></a>
-<span class="sourceLineNo">234</span> * @throws TimeoutException<a name="line.234"></a>
-<span class="sourceLineNo">235</span> */<a name="line.235"></a>
-<span class="sourceLineNo">236</span> public boolean load() throws ExecutionException, InterruptedException, TimeoutException {<a name="line.236"></a>
-<span class="sourceLineNo">237</span> ExecutorService loadPool = Executors.newFixedThreadPool(1);<a name="line.237"></a>
-<span class="sourceLineNo">238</span> Future<Boolean> loadTask = loadPool.submit(new Load(this));<a name="line.238"></a>
-<span class="sourceLineNo">239</span> loadPool.shutdown();<a name="line.239"></a>
-<span class="sourceLineNo">240</span> try {<a name="line.240"></a>
-<span class="sourceLineNo">241</span> if (!loadPool.awaitTermination((long) this.timeout, TimeUnit.SECONDS)) {<a name="line.241"></a>
-<span class="sourceLineNo">242</span> LOG.warn("Timed out before finishing the loading operation. Timeout:" + this.timeout<a name="line.242"></a>
-<span class="sourceLineNo">243</span> + "sec");<a name="line.243"></a>
-<span class="sourceLineNo">244</span> loadPool.shutdownNow();<a name="line.244"></a>
-<span class="sourceLineNo">245</span> }<a name="line.245"></a>
-<span class="sourceLineNo">246</span> } catch (InterruptedException e) {<a name="line.246"></a>
-<span class="sourceLineNo">247</span> loadPool.shutdownNow();<a name="line.247"></a>
-<span class="sourceLineNo">248</span> Thread.currentThread().interrupt();<a name="line.248"></a>
-<span class="sourceLineNo">249</span> }<a name="line.249"></a>
-<span class="sourceLineNo">250</span> try {<a name="line.250"></a>
-<span class="sourceLineNo">251</span> return loadTask.get(5, TimeUnit.SECONDS);<a name="line.251"></a>
-<span class="sourceLineNo">252</span> } catch (InterruptedException e) {<a name="line.252"></a>
-<span class="sourceLineNo">253</span> LOG.warn("Interrupted while loading Regions on " + this.hostname, e);<a name="line.253"></a>
-<span class="sourceLineNo">254</span> throw e;<a name="line.254"></a>
-<span class="sourceLineNo">255</span> } catch (ExecutionException e) {<a name="line.255"></a>
-<span class="sourceLineNo">256</span> LOG.error("Error while loading regions on RegionServer " + this.hostname, e);<a name="line.256"></a>
-<span class="sourceLineNo">257</span> throw e;<a name="line.257"></a>
-<span class="sourceLineNo">258</span> }<a name="line.258"></a>
-<span class="sourceLineNo">259</span> }<a name="line.259"></a>
-<span class="sourceLineNo">260</span><a name="line.260"></a>
-<span class="sourceLineNo">261</span> private class Load implements Callable<Boolean> {<a name="line.261"></a>
-<span class="sourceLineNo">262</span><a name="line.262"></a>
-<span class="sourceLineNo">263</span> private RegionMover rm;<a name="line.263"></a>
-<span class="sourceLineNo">264</span><a name="line.264"></a>
-<span class="sourceLineNo">265</span> public Load(RegionMover rm) {<a name="line.265"></a>
-<span class="sourceLineNo">266</span> this.rm = rm;<a name="line.266"></a>
-<span class="sourceLineNo">267</span> }<a name="line.267"></a>
-<span class="sourceLineNo">268</span><a name="line.268"></a>
-<span class="sourceLineNo">269</span> @Override<a name="line.269"></a>
-<span class="sourceLineNo">270</span> public Boolean call() throws IOException {<a name="line.270"></a>
-<span class="sourceLineNo">271</span> Connection conn = ConnectionFactory.createConnection(rm.conf);<a name="line.271"></a>
-<span class="sourceLineNo">272</span> try {<a name="line.272"></a>
-<span class="sourceLineNo">273</span> List<RegionInfo> regionsToMove = readRegionsFromFile(rm.filename);<a name="line.273"></a>
-<span class="sourceLineNo">274</span> if (regionsToMove.isEmpty()) {<a name="line.274"></a>
-<span class="sourceLineNo">275</span> LOG.info("No regions to load.Exiting");<a name="line.275"></a>
-<span class="sourceLineNo">276</span> return true;<a name="line.276"></a>
-<span class="sourceLineNo">277</span> }<a name="line.277"></a>
-<span class="sourceLineNo">278</span> Admin admin = conn.getAdmin();<a name="line.278"></a>
-<span class="sourceLineNo">279</span> try {<a name="line.279"></a>
-<span class="sourceLineNo">280</span> loadRegions(admin, rm.hostname, rm.port, regionsToMove, rm.ack);<a name="line.280"></a>
-<span class="sourceLineNo">281</span> } finally {<a name="line.281"></a>
-<span class="sourceLineNo">282</span> admin.close();<a name="line.282"></a>
+<span class="sourceLineNo">145</span> * Creates a new configuration and sets region mover specific overrides<a name="line.145"></a>
+<span class="sourceLineNo">146</span> */<a name="line.146"></a>
+<span class="sourceLineNo">147</span> private static Configuration createConf() {<a name="line.147"></a>
+<span class="sourceLineNo">148</span> Configuration conf = HBaseConfiguration.create();<a name="line.148"></a>
+<span class="sourceLineNo">149</span> conf.setInt("hbase.client.prefetch.limit", 1);<a name="line.149"></a>
+<span class="sourceLineNo">150</span> conf.setInt("hbase.client.pause", 500);<a name="line.150"></a>
+<span class="sourceLineNo">151</span> conf.setInt("hbase.client.retries.number", 100);<a name="line.151"></a>
+<span class="sourceLineNo">152</span> return conf;<a name="line.152"></a>
+<span class="sourceLineNo">153</span> }<a name="line.153"></a>
+<span class="sourceLineNo">154</span><a name="line.154"></a>
+<span class="sourceLineNo">155</span> /**<a name="line.155"></a>
+<span class="sourceLineNo">156</span> * @param hostname Hostname to unload regions from or load regions to. Can be either hostname<a name="line.156"></a>
+<span class="sourceLineNo">157</span> * or hostname:port.<a name="line.157"></a>
+<span class="sourceLineNo">158</span> * @param conf Configuration object<a name="line.158"></a>
+<span class="sourceLineNo">159</span> */<a name="line.159"></a>
+<span class="sourceLineNo">160</span> public RegionMoverBuilder(String hostname, Configuration conf) {<a name="line.160"></a>
+<span class="sourceLineNo">161</span> String[] splitHostname = hostname.toLowerCase().split(":");<a name="line.161"></a>
+<span class="sourceLineNo">162</span> this.hostname = splitHostname[0];<a name="line.162"></a>
+<span class="sourceLineNo">163</span> if (splitHostname.length == 2) {<a name="line.163"></a>
+<span class="sourceLineNo">164</span> this.port = Integer.parseInt(splitHostname[1]);<a name="line.164"></a>
+<span class="sourceLineNo">165</span> } else {<a name="line.165"></a>
+<span class="sourceLineNo">166</span> this.port = conf.getInt(HConstants.REGIONSERVER_PORT, HConstants.DEFAULT_REGIONSERVER_PORT);<a name="line.166"></a>
+<span class="sourceLineNo">167</span> }<a name="line.167"></a>
+<span class="sourceLineNo">168</span> this.filename = defaultDir + File.separator + System.getProperty("user.name") + this.hostname<a name="line.168"></a>
+<span class="sourceLineNo">169</span> + ":" + Integer.toString(this.port);<a name="line.169"></a>
+<span class="sourceLineNo">170</span> this.conf = conf;<a name="line.170"></a>
+<span class="sourceLineNo">171</span> }<a name="line.171"></a>
+<span class="sourceLineNo">172</span><a name="line.172"></a>
+<span class="sourceLineNo">173</span> /**<a name="line.173"></a>
+<span class="sourceLineNo">174</span> * Path of file where regions will be written to during unloading/read from during loading<a name="line.174"></a>
+<span class="sourceLineNo">175</span> * @param filename<a name="line.175"></a>
+<span class="sourceLineNo">176</span> * @return RegionMoverBuilder object<a name="line.176"></a>
+<span class="sourceLineNo">177</span> */<a name="line.177"></a>
+<span class="sourceLineNo">178</span> public RegionMoverBuilder filename(String filename) {<a name="line.178"></a>
+<span class="sourceLineNo">179</span> this.filename = filename;<a name="line.179"></a>
+<span class="sourceLineNo">180</span> return this;<a name="line.180"></a>
+<span class="sourceLineNo">181</span> }<a name="line.181"></a>
+<span class="sourceLineNo">182</span><a name="line.182"></a>
+<span class="sourceLineNo">183</span> /**<a name="line.183"></a>
+<span class="sourceLineNo">184</span> * Set the max number of threads that will be used to move regions<a name="line.184"></a>
+<span class="sourceLineNo">185</span> */<a name="line.185"></a>
+<span class="sourceLineNo">186</span> public RegionMoverBuilder maxthreads(int threads) {<a name="line.186"></a>
+<span class="sourceLineNo">187</span> this.maxthreads = threads;<a name="line.187"></a>
+<span class="sourceLineNo">188</span> return this;<a name="line.188"></a>
+<span class="sourceLineNo">189</span> }<a name="line.189"></a>
+<span class="sourceLineNo">190</span><a name="line.190"></a>
+<span class="sourceLineNo">191</span> /**<a name="line.191"></a>
+<span class="sourceLineNo">192</span> * Path of file containing hostnames to be excluded during region movement. Exclude file should<a name="line.192"></a>
+<span class="sourceLineNo">193</span> * have 'host:port' per line. Port is mandatory here as we can have many RS running on a single<a name="line.193"></a>
+<span class="sourceLineNo">194</span> * host.<a name="line.194"></a>
+<span class="sourceLineNo">195</span> */<a name="line.195"></a>
+<span class="sourceLineNo">196</span> public RegionMoverBuilder excludeFile(String excludefile) {<a name="line.196"></a>
+<span class="sourceLineNo">197</span> this.excludeFile = excludefile;<a name="line.197"></a>
+<span class="sourceLineNo">198</span> return this;<a name="line.198"></a>
+<span class="sourceLineNo">199</span> }<a name="line.199"></a>
+<span class="sourceLineNo">200</span><a name="line.200"></a>
+<span class="sourceLineNo">201</span> /**<a name="line.201"></a>
+<span class="sourceLineNo">202</span> * Set ack/noAck mode.<a name="line.202"></a>
+<span class="sourceLineNo">203</span> * <p><a name="line.203"></a>
+<span class="sourceLineNo">204</span> * In ack mode regions are acknowledged before and after moving and the move is retried<a name="line.204"></a>
+<span class="sourceLineNo">205</span> * hbase.move.retries.max times, if unsuccessful we quit with exit code 1.No Ack mode is a best<a name="line.205"></a>
+<span class="sourceLineNo">206</span> * effort mode,each region movement is tried once.This can be used during graceful shutdown as<a name="line.206"></a>
+<span class="sourceLineNo">207</span> * even if we have a stuck region,upon shutdown it'll be reassigned anyway.<a name="line.207"></a>
+<span class="sourceLineNo">208</span> * <p><a name="line.208"></a>
+<span class="sourceLineNo">209</span> * @param ack<a name="line.209"></a>
+<span class="sourceLineNo">210</span> * @return RegionMoverBuilder object<a name="line.210"></a>
+<span class="sourceLineNo">211</span> */<a name="line.211"></a>
+<span class="sourceLineNo">212</span> public RegionMoverBuilder ack(boolean ack) {<a name="line.212"></a>
+<span class="sourceLineNo">213</span> this.ack = ack;<a name="line.213"></a>
+<span class="sourceLineNo">214</span> return this;<a name="line.214"></a>
+<span class="sourceLineNo">215</span> }<a name="line.215"></a>
+<span class="sourceLineNo">216</span><a name="line.216"></a>
+<span class="sourceLineNo">217</span> /**<a name="line.217"></a>
+<span class="sourceLineNo">218</span> * Set the timeout for Load/Unload operation in seconds.This is a global timeout,threadpool for<a name="line.218"></a>
+<span class="sourceLineNo">219</span> * movers also have a separate time which is hbase.move.wait.max * number of regions to<a name="line.219"></a>
+<span class="sourceLineNo">220</span> * load/unload<a name="line.220"></a>
+<span class="sourceLineNo">221</span> * @param timeout in seconds<a name="line.221"></a>
+<span class="sourceLineNo">222</span> * @return RegionMoverBuilder object<a name="line.222"></a>
+<span class="sourceLineNo">223</span> */<a name="line.223"></a>
+<span class="sourceLineNo">224</span> public RegionMoverBuilder timeout(int timeout) {<a name="line.224"></a>
+<span class="sourceLineNo">225</span> this.timeout = timeout;<a name="line.225"></a>
+<span class="sourceLineNo">226</span> return this;<a name="line.226"></a>
+<span class="sourceLineNo">227</span> }<a name="line.227"></a>
+<span class="sourceLineNo">228</span><a name="line.228"></a>
+<span class="sourceLineNo">229</span> /**<a name="line.229"></a>
+<span class="sourceLineNo">230</span> * This method builds the appropriate RegionMover object which can then be used to load/unload<a name="line.230"></a>
+<span class="sourceLineNo">231</span> * using load and unload methods<a name="line.231"></a>
+<span class="sourceLineNo">232</span> * @return RegionMover object<a name="line.232"></a>
+<span class="sourceLineNo">233</span> */<a name="line.233"></a>
+<span class="sourceLineNo">234</span> public RegionMover build() throws IOException {<a name="line.234"></a>
+<span class="sourceLineNo">235</span> return new RegionMover(this);<a name="line.235"></a>
+<span class="sourceLineNo">236</span> }<a name="line.236"></a>
+<span class="sourceLineNo">237</span> }<a name="line.237"></a>
+<span class="sourceLineNo">238</span><a name="line.238"></a>
+<span class="sourceLineNo">239</span> /**<a name="line.239"></a>
+<span class="sourceLineNo">240</span> * Move Regions and make sure that they are up on the target server.If a region movement fails we<a name="line.240"></a>
+<span class="sourceLineNo">241</span> * exit as failure<a name="line.241"></a>
+<span class="sourceLineNo">242</span> */<a name="line.242"></a>
+<span class="sourceLineNo">243</span> private class MoveWithAck implements Callable<Boolean> {<a name="line.243"></a>
+<span class="sourceLineNo">244</span> private RegionInfo region;<a name="line.244"></a>
+<span class="sourceLineNo">245</span> private ServerName targetServer;<a name="line.245"></a>
+<span class="sourceLineNo">246</span> private List<RegionInfo> movedRegions;<a name="line.246"></a>
+<span class="sourceLineNo">247</span> private ServerName sourceServer;<a name="line.247"></a>
+<span class="sourceLineNo">248</span><a name="line.248"></a>
+<span class="sourceLineNo">249</span> public MoveWithAck(RegionInfo regionInfo, ServerName sourceServer,<a name="line.249"></a>
+<span class="sourceLineNo">250</span> ServerName targetServer, List<RegionInfo> movedRegions) {<a name="line.250"></a>
+<span class="sourceLineNo">251</span> this.region = regionInfo;<a name="line.251"></a>
+<span class="sourceLineNo">252</span> this.targetServer = targetServer;<a name="line.252"></a>
+<span class="sourceLineNo">253</span> this.movedRegions = movedRegions;<a name="line.253"></a>
+<span class="sourceLineNo">254</span> this.sourceServer = sourceServer;<a name="line.254"></a>
+<span class="sourceLineNo">255</span> }<a name="line.255"></a>
+<span class="sourceLineNo">256</span><a name="line.256"></a>
+<span class="sourceLineNo">257</span> @Override<a name="line.257"></a>
+<span class="sourceLineNo">258</span> public Boolean call() throws IOException, InterruptedException {<a name="line.258"></a>
+<span class="sourceLineNo">259</span> boolean moved = false;<a name="line.259"></a>
+<span class="sourceLineNo">260</span> int count = 0;<a name="line.260"></a>
+<span class="sourceLineNo">261</span> int retries = admin.getConfiguration().getInt(MOVE_RETRIES_MAX_KEY, DEFAULT_MOVE_RETRIES_MAX);<a name="line.261"></a>
+<span class="sourceLineNo">262</span> int maxWaitInSeconds =<a name="line.262"></a>
+<span class="sourceLineNo">263</span> admin.getConfiguration().getInt(MOVE_WAIT_MAX_KEY, DEFAULT_MOVE_WAIT_MAX);<a name="line.263"></a>
+<span class="sourceLineNo">264</span> long startTime = EnvironmentEdgeManager.currentTime();<a name="line.264"></a>
+<span class="sourceLineNo">265</span> boolean sameServer = true;<a name="line.265"></a>
+<span class="sourceLineNo">266</span> // Assert we can scan the region in its current location<a name="line.266"></a>
+<span class="sourceLineNo">267</span> isSuccessfulScan(region);<a name="line.267"></a>
+<span class="sourceLineNo">268</span> LOG.info("Moving region:" + region.getEncodedName() + " from " + sourceServer + " to "<a name="line.268"></a>
+<span class="sourceLineNo">269</span> + targetServer);<a name="line.269"></a>
+<span class="sourceLineNo">270</span> while (count < retries && sameServer) {<a name="line.270"></a>
+<span class="sourceLineNo">271</span> if (count > 0) {<a name="line.271"></a>
+<span class="sourceLineNo">272</span> LOG.info("Retry " + Integer.toString(count) + " of maximum " + Integer.toString(retries));<a name="line.272"></a>
+<span class="sourceLineNo">273</span> }<a name="line.273"></a>
+<span class="sourceLineNo">274</span> count = count + 1;<a name="line.274"></a>
+<span class="sourceLineNo">275</span> admin.move(region.getEncodedNameAsBytes(), Bytes.toBytes(targetServer.getServerName()));<a name="line.275"></a>
+<span class="sourceLineNo">276</span> long maxWait = startTime + (maxWaitInSeconds * 1000);<a name="line.276"></a>
+<span class="sourceLineNo">277</span> while (EnvironmentEdgeManager.currentTime() < maxWait) {<a name="line.277"></a>
+<span class="sourceLineNo">278</span> sameServer = isSameServer(region, sourceServer);<a name="line.278"></a>
+<span class="sourceLineNo">279</span> if (!sameServer) {<a name="line.279"></a>
+<span class="sourceLineNo">280</span> break;<a name="line.280"></a>
+<span class="sourceLineNo">281</span> }<a name="line.281"></a>
+<span class="sourceLineNo">282</span> Thread.sleep(100);<a name="line.282"></a>
<span class="sourceLineNo">283</span> }<a name="line.283"></a>
-<span class="sourceLineNo">284</span> } catch (Exception e) {<a name="line.284"></a>
-<span class="sourceLineNo">285</span> LOG.error("Error while loading regions to " + rm.hostname, e);<a name="line.285"></a>
-<span class="sourceLineNo">286</span> return false;<a name="line.286"></a>
-<span class="sourceLineNo">287</span> } finally {<a name="line.287"></a>
-<span class="sourceLineNo">288</span> conn.close();<a name="line.288"></a>
-<span class="sourceLineNo">289</span> }<a name="line.289"></a>
-<span class="sourceLineNo">290</span> return true;<a name="line.290"></a>
-<span class="sourceLineNo">291</span> }<a name="line.291"></a>
-<span class="sourceLineNo">292</span> }<a name="line.292"></a>
-<span class="sourceLineNo">293</span><a name="line.293"></a>
-<span class="sourceLineNo">294</span> /**<a name="line.294"></a>
-<span class="sourceLineNo">295</span> * Unload regions from given {@link #hostname} using ack/noAck mode and {@link #maxthreads}.In<a name="line.295"></a>
-<span class="sourceLineNo">296</span> * noAck mode we do not make sure that region is successfully online on the target region<a name="line.296"></a>
-<span class="sourceLineNo">297</span> * server,hence it is best effort.We do not unload regions to hostnames given in<a name="line.297"></a>
-<span class="sourceLineNo">298</span> * {@link #excludeFile}.<a name="line.298"></a>
-<span class="sourceLineNo">299</span> * @return true if unloading succeeded, false otherwise<a name="line.299"></a>
-<span class="sourceLineNo">300</span> * @throws InterruptedException if the unloader thread was interrupted<a name="line.300"></a>
-<span class="sourceLineNo">301</span> * @throws ExecutionException<a name="line.301"></a>
-<span class="sourceLineNo">302</span> * @throws TimeoutException<a name="line.302"></a>
-<span class="sourceLineNo">303</span> */<a name="line.303"></a>
-<span class="sourceLineNo">304</span> public boolean unload() throws InterruptedException, ExecutionException, TimeoutException {<a name="line.304"></a>
-<span class="sourceLineNo">305</span> deleteFile(this.filename);<a name="line.305"></a>
-<span class="sourceLineNo">306</span> ExecutorService unloadPool = Executors.newFixedThreadPool(1);<a name="line.306"></a>
-<span class="sourceLineNo">307</span> Future<Boolean> unloadTask = unloadPool.submit(new Unload(this));<a name="line.307"></a>
-<span class="sourceLineNo">308</span> unloadPool.shutdown();<a name="line.308"></a>
-<span class="sourceLineNo">309</span> try {<a name="line.309"></a>
-<span class="sourceLineNo">310</span> if (!unloadPool.awaitTermination((long) this.timeout, TimeUnit.SECONDS)) {<a name="line.310"></a>
-<span class="sourceLineNo">311</span> LOG.warn("Timed out before finishing the unloading operation. Timeout:" + this.timeout<a name="line.311"></a>
-<span class="sourceLineNo">312</span> + "sec");<a name="line.312"></a>
-<span class="sourceLineNo">313</span> unloadPool.shutdownNow();<a name="line.313"></a>
-<span class="sourceLineNo">314</span> }<a name="line.314"></a>
-<span class="sourceLineNo">315</span> } catch (InterruptedException e) {<a name="line.315"></a>
-<span class="sourceLineNo">316</span> unloadPool.shutdownNow();<a name="line.316"></a>
-<span class="sourceLineNo">317</span> Thread.currentThread().interrupt();<a name="line.317"></a>
+<span class="sourceLineNo">284</span> }<a name="line.284"></a>
+<span class="sourceLineNo">285</span> if (sameServer) {<a name="line.285"></a>
+<span class="sourceLineNo">286</span> LOG.error("Region: " + region.getRegionNameAsString() + " stuck on " + this.sourceServer<a name="line.286"></a>
+<span class="sourceLineNo">287</span> + ",newServer=" + this.targetServer);<a name="line.287"></a>
+<span class="sourceLineNo">288</span> } else {<a name="line.288"></a>
+<span class="sourceLineNo">289</span> isSuccessfulScan(region);<a name="line.289"></a>
+<span class="sourceLineNo">290</span> LOG.info("Moved Region "<a name="line.290"></a>
+<span class="sourceLineNo">291</span> + region.getRegionNameAsString()<a name="line.291"></a>
+<span class="sourceLineNo">292</span> + " cost:"<a name="line.292"></a>
+<span class="sourceLineNo">293</span> + String.format("%.3f",<a name="line.293"></a>
+<span class="sourceLineNo">294</span> (float) (EnvironmentEdgeManager.currentTime() - startTime) / 1000));<a name="line.294"></a>
+<span class="sourceLineNo">295</span> moved = true;<a name="line.295"></a>
+<span class="sourceLineNo">296</span> movedRegions.add(region);<a name="line.296"></a>
+<span class="sourceLineNo">297</span> }<a name="line.297"></a>
+<span class="sourceLineNo">298</span> return moved;<a name="line.298"></a>
+<span class="sourceLineNo">299</span> }<a name="line.299"></a>
+<span class="sourceLineNo">300</span> }<a name="line.300"></a>
+<span class="sourceLineNo">301</span><a name="line.301"></a>
+<span class="sourceLineNo">302</span> /**<a name="line.302"></a>
+<span class="sourceLineNo">303</span> * Move Regions without Acknowledging.Usefule in case of RS shutdown as we might want to shut the<a name="line.303"></a>
+<span class="sourceLineNo">304</span> * RS down anyways and not abort on a stuck region. Improves movement performance<a name="line.304"></a>
+<span class="sourceLineNo">305</span> */<a name="line.305"></a>
+<span class="sourceLineNo">306</span> private class MoveWithoutAck implements Callable<Boolean> {<a name="line.306"></a>
+<span class="sourceLineNo">307</span> private RegionInfo region;<a name="line.307"></a>
+<span class="sourceLineNo">308</span> private ServerName targetServer;<a name="line.308"></a>
+<span class="sourceLineNo">309</span> private List<RegionInfo> movedRegions;<a name="line.309"></a>
+<span class="sourceLineNo">310</span> private ServerName sourceServer;<a name="line.310"></a>
+<span class="sourceLineNo">311</span><a name="line.311"></a>
+<span class="sourceLineNo">312</span> public MoveWithoutAck(RegionInfo regionInfo, ServerName sourceServer,<a name="line.312"></a>
+<span class="sourceLineNo">313</span> ServerName targetServer, List<RegionInfo> movedRegions) {<a name="line.313"></a>
+<span class="sourceLineNo">314</span> this.region = regionInfo;<a name="line.314"></a>
+<span class="sourceLineNo">315</span> this.targetServer = targetServer;<a name="line.315"></a>
+<span class="sourceLineNo">316</span> this.movedRegions = movedRegions;<a name="line.316"></a>
+<span class="sourceLineNo">317</span> this.sourceServer = sourceServer;<a name="line.317"></a>
<span class="sourceLineNo">318</span> }<a name="line.318"></a>
-<span class="sourceLineNo">319</span> try {<a name="line.319"></a>
-<span class="sourceLineNo">320</span> return unloadTask.get(5, TimeUnit.SECONDS);<a name="line.320"></a>
-<span class="sourceLineNo">321</span> } catch (InterruptedException e) {<a name="line.321"></a>
-<span class="sourceLineNo">322</span> LOG.warn("Interrupted while unloading Regions from " + this.hostname, e);<a name="line.322"></a>
-<span class="sourceLineNo">323</span> throw e;<a name="line.323"></a>
-<span class="sourceLineNo">324</span> } catch (ExecutionException e) {<a name="line.324"></a>
-<span class="sourceLineNo">325</span> LOG.error("Error while unloading regions from RegionServer " + this.hostname, e);<a name="line.325"></a>
-<span class="sourceLineNo">326</span> throw e;<a name="line.326"></a>
-<span class="sourceLineNo">327</span> }<a name="line.327"></a>
-<span class="sourceLineNo">328</span> }<a name="line.328"></a>
-<span class="sourceLineNo">329</span><a name="line.329"></a>
-<span class="sourceLineNo">330</span> private class Unload implements Callable<Boolean> {<a name="line.330"></a>
-<span class="sourceLineNo">331</span><a name="line.331"></a>
-<span class="sourceLineNo">332</span> List<RegionInfo> movedRegions = Collections.synchronizedList(new ArrayList<RegionInfo>());<a name="line.332"></a>
-<span class="sourceLineNo">333</span> private RegionMover rm;<a name="line.333"></a>
-<span class="sourceLineNo">334</span><a name="line.334"></a>
-<span class="sourceLineNo">335</span> public Unload(RegionMover rm) {<a name="line.335"></a>
-<span class="sourceLineNo">336</span> this.rm = rm;<a name="line.336"></a>
-<span class="sourceLineNo">337</span> }<a name="line.337"></a>
-<span class="sourceLineNo">338</span><a name="line.338"></a>
-<span class="sourceLineNo">339</span> @Override<a name="line.339"></a>
-<span class="sourceLineNo">340</span> public Boolean call() throws IOException {<a name="line.340"></a>
-<span class="sourceLineNo">341</span> Connection conn = ConnectionFactory.createConnection(rm.conf);<a name="line.341"></a>
-<span class="sourceLineNo">342</span> try {<a name="line.342"></a>
-<span class="sourceLineNo">343</span> Admin admin = conn.getAdmin();<a name="line.343"></a>
-<span class="sourceLineNo">344</span> // Get Online RegionServers<a name="line.344"></a>
-<span class="sourceLineNo">345</span> ArrayList<String> regionServers = getServers(admin);<a name="line.345"></a>
-<span class="sourceLineNo">346</span> if (LOG.isDebugEnabled()) {<a name="line.346"></a>
-<span class="sourceLineNo">347</span> LOG.debug("Online region servers:" + regionServers.toString());<a name="line.347"></a>
-<span class="sourceLineNo">348</span> }<a name="line.348"></a>
-<span class="sourceLineNo">349</span> // Remove the host Region server from target Region Servers list<a name="line.349"></a>
-<span class="sourceLineNo">350</span> String server = stripServer(regionServers, hostname, port);<a name="line.350"></a>
-<span class="sourceLineNo">351</span> // Remove RS present in the exclude file<a name="line.351"></a>
-<span class="sourceLineNo">352</span> stripExcludes(regionServers, rm.excludeFile);<a name="line.352"></a>
-<span class="sourceLineNo">353</span> stripMaster(regionServers, admin);<a name="line.353"></a>
-<span class="sourceLineNo">354</span> unloadRegions(admin, server, regionServers, rm.ack, movedRegions);<a name="line.354"></a>
-<span class="sourceLineNo">355</span> } catch (Exception e) {<a name="line.355"></a>
-<span class="sourceLineNo">356</span> LOG.error("Error while unloading regions ", e);<a name="line.356"></a>
-<span class="sourceLineNo">357</span> return false;<a name="line.357"></a>
-<span class="sourceLineNo">358</span> } finally {<a name="line.358"></a>
-<span class="sourceLineNo">359</span> try {<a name="line.359"></a>
-<span class="sourceLineNo">360</span> conn.close();<a name="line.360"></a>
-<span class="sourceLineNo">361</span> } catch (IOException e) {<a name="line.361"></a>
-<span class="sourceLineNo">362</span> // ignore<a name="line.362"></a>
-<span class="sourceLineNo">363</span> }<a name="line.363"></a>
-<span class="sourceLineNo">364</span> if (movedRegions != null) {<a name="line.364"></a>
-<span class="sourceLineNo">365</span> writeFile(rm.filename, movedRegions);<a name="line.365"></a>
-<span class="sourceLineNo">366</span> }<a name="line.366"></a>
-<span class="sourceLineNo">367</span> }<a name="line.367"></a>
-<span class="sourceLineNo">368</span> return true;<a name="line.368"></a>
-<span class="sourceLineNo">369</span> }<a name="line.369"></a>
-<span class="sourceLineNo">370</span> }<a name="line.370"></a>
-<span class="sourceLineNo">371</span><a name="line.371"></a>
-<span class="sourceLineNo">372</span> private void loadRegions(Admin admin, String hostname, int port,<a name="line.372"></a>
-<span class="sourceLineNo">373</span> List<RegionInfo> regionsToMove, boolean ack) throws Exception {<a name="line.373"></a>
-<span class="sourceLineNo">374</span> String server = null;<a name="line.374"></a>
-<span class="sourceLineNo">375</span> List<RegionInfo> movedRegions = Collections.synchronizedList(new ArrayList<RegionInfo>());<a name="line.375"></a>
-<span class="sourceLineNo">376</span> int maxWaitInSeconds =<a name="line.376"></a>
-<span class="sourceLineNo">377</span> admin.getConfiguration().getInt(SERVERSTART_WAIT_MAX_KEY, DEFAULT_SERVERSTART_WAIT_MAX);<a name="line.377"></a>
-<span class="sourceLineNo">378</span> long maxWait = EnvironmentEdgeManager.currentTime() + maxWaitInSeconds * 1000;<a name="line.378"></a>
-<span class="sourceLineNo">379</span> while ((EnvironmentEdgeManager.currentTime() < maxWait) && (server == null)) {<a name="line.379"></a>
-<span class="sourceLineNo">380</span> try {<a name="line.380"></a>
-<span class="sourceLineNo">381</span> ArrayList<String> regionServers = getServers(admin);<a name="line.381"></a>
-<span class="sourceLineNo">382</span> // Remove the host Region server from target Region Servers list<a name="line.382"></a>
-<span class="sourceLineNo">383</span> server = stripServer(regionServers, hostname, port);<a name="line.383"></a>
-<span class="sourceLineNo">384</span> if (server != null) {<a name="line.384"></a>
-<span class="sourceLineNo">385</span> break;<a name="line.385"></a>
-<span class="sourceLineNo">386</span> }<a name="line.386"></a>
-<span class="sourceLineNo">387</span> } catch (IOException e) {<a name="line.387"></a>
-<span class="sourceLineNo">388</span> LOG.warn("Could not get list of region servers", e);<a name="line.388"></a>
-<span class="sourceLineNo">389</span> } catch (Exception e) {<a name="line.389"></a>
-<span class="sourceLineNo">390</span> LOG.info("hostname=" + hostname + " is not up yet, waiting");<a name="line.390"></a>
-<span class="sourceLineNo">391</span> }<a name="line.391"></a>
-<span class="sourceLineNo">392</span> try {<a name="line.392"></a>
-<span class="sourceLineNo">393</span> Thread.sleep(500);<a name="line.393"></a>
-<span class="sourceLineNo">394</span> } catch (InterruptedException e) {<a name="line.394"></a>
-<span class="sourceLineNo">395</span> LOG.error("Interrupted while waiting for " + hostname + " to be up.Quitting now", e);<a name="line.395"></a>
-<span class="sourceLineNo">396</span> throw e;<a name="line.396"></a>
-<span class="sourceLineNo">397</span> }<a name="line.397"></a>
-<span class="sourceLineNo">398</span> }<a name="line.398"></a>
-<span class="sourceLineNo">399</span> if (server == null) {<a name="line.399"></a>
-<span class="sourceLineNo">400</span> LOG.error("Host:" + hostname + " is not up.Giving up.");<a name="line.400"></a>
-<span class="sourceLineNo">401</span> throw new Exception("Host to load regions not online");<a name="line.401"></a>
-<span class="sourceLineNo">402</span> }<a name="line.402"></a>
-<span class="sourceLineNo">403</span> LOG.info("Moving " + regionsToMove.size() + " regions to " + server + " using "<a name="line.403"></a>
-<span class="sourceLineNo">404</span> + this.maxthreads + " threads.Ack mode:" + this.ack);<a name="line.404"></a>
-<span class="sourceLineNo">405</span> ExecutorService moveRegionsPool = Executors.newFixedThreadPool(this.maxthreads);<a name="line.405"></a>
-<span class="sourceLineNo">406</span> List<Future<Boolean>> taskList = new ArrayList<>();<a name="line.406"></a>
-<span class="sourceLineNo">407</span> int counter = 0;<a name="line.407"></a>
-<span class="sourceLineNo">408</span> while (counter < regionsToMove.size()) {<a name="line.408"></a>
-<span class="sourceLineNo">409</span> RegionInfo region = regionsToMove.get(counter);<a name="line.409"></a>
-<span class="sourceLineNo">410</span> String currentServer = getServerNameForRegion(admin, region);<a name="line.410"></a>
-<span class="sourceLineNo">411</span> if (currentServer == null) {<a name="line.411"></a>
-<span class="sourceLineNo">412</span> LOG.warn("Could not get server for Region:" + region.getEncodedName() + " moving on");<a name="line.412"></a>
-<span class="sourceLineNo">413</span> counter++;<a name="line.413"></a>
-<span class="sourceLineNo">414</span> continue;<a name="line.414"></a>
-<span class="sourceLineNo">415</span> } else if (server.equals(currentServer)) {<a name="line.415"></a>
-<span class="sourceLineNo">416</span> LOG.info("Region " + region.getRegionNameAsString() +<a name="line.416"></a>
-<span class="sourceLineNo">417</span> " is already on target server=" + server);<a name="line.417"></a>
-<span class="sourceLineNo">418</span> counter++;<a name="line.418"></a>
-<span class="sourceLineNo">419</span> continue;<a name="line.419"></a>
-<span class="sourceLineNo">420</span> }<a name="line.420"></a>
-<span class="sourceLineNo">421</span> if (ack) {<a name="line.421"></a>
-<span class="sourceLineNo">422</span> Future<Boolean> task =<a name="line.422"></a>
-<span class="sourceLineNo">423</span> moveRegionsPool.submit(new MoveWithAck(admin, region, currentServer, server,<a name="line.423"></a>
-<span class="sourceLineNo">424</span> movedRegions));<a name="line.424"></a>
-<span class="sourceLineNo">425</span> taskList.add(task);<a name="line.425"></a>
-<span class="sourceLineNo">426</span> } else {<a name="line.426"></a>
-<span class="sourceLineNo">427</span> Future<Boolean> task =<a name="line.427"></a>
-<span class="sourceLineNo">428</span> moveRegionsPool.submit(new MoveWithoutAck(admin, region, currentServer, server,<a name="line.428"></a>
-<span class="sourceLineNo">429</span> movedRegions));<a name="line.429"></a>
-<span class="sourceLineNo">430</span> taskList.add(task);<a name="line.430"></a>
-<span class="sourceLineNo">431</span> }<a name="line.431"></a>
-<span class="sourceLineNo">432</span> counter++;<a name="line.432"></a>
-<span class="sourceLineNo">433</span> }<a name="line.433"></a>
-<span class="sourceLineNo">434</span> moveRegionsPool.shutdown();<a name="line.434"></a>
-<span class="sourceLineNo">435</span> long timeoutInSeconds =<a name="line.435"></a>
-<span class="sourceLineNo">436</span> regionsToMove.size()<a name="line.436"></a>
-<span class="sourceLineNo">437</span> * admin.getConfiguration().getLong(MOVE_WAIT_MAX_KEY, DEFAULT_MOVE_WAIT_MAX);<a name="line.437"></a>
-<span class="sourceLineNo">438</span> try {<a name="line.438"></a>
-<span class="sourceLineNo">439</span> if (!moveRegionsPool.awaitTermination(timeoutInSeconds, TimeUnit.SECONDS)) {<a name="line.439"></a>
-<span class="sourceLineNo">440</span> moveRegionsPool.shutdownNow();<a name="line.440"></a>
-<span class="sourceLineNo">441</span> }<a name="line.441"></a>
-<span class="sourceLineNo">442</span> } catch (InterruptedException e) {<a name="line.442"></a>
-<span class="sourceLineNo">443</span> moveRegionsPool.shutdownNow();<a name="line.443"></a>
-<span class="sourceLineNo">444</span> Thread.currentThread().interrupt();<a name="line.444"></a>
-<span class="sourceLineNo">445</span> }<a name="line.445"></a>
-<span class="sourceLineNo">446</span> for (Future<Boolean> future : taskList) {<a name="line.446"></a>
-<span class="sourceLineNo">447</span> try {<a name="line.447"></a>
-<span class="sourceLineNo">448</span> // if even after shutdownNow threads are stuck we wait for 5 secs max<a name="line.448"></a>
-<span class="sourceLineNo">449</span> if (!future.get(5, TimeUnit.SECONDS)) {<a name="line.449"></a>
-<span class="sourceLineNo">450</span> LOG.error("Was Not able to move region....Exiting Now");<a name="line.450"></a>
-<span class="sourceLineNo">451</span> throw new Exception("Could not move region Exception");<a name="line.451"></a>
-<span class="sourceLineNo">452</span> }<a name="line.452"></a>
-<span class="sourceLineNo">453</span> } catch (InterruptedException e) {<a name="line.453"></a>
-<span class="sourceLineNo">454</span> LOG.error("Interrupted while waiting for Thread to Complete " + e.getMessage(), e);<a name="line.454"></a>
-<span class="sourceLineNo">455</span> throw e;<a name="line.455"></a>
-<span class="sourceLineNo">456</span> } catch (ExecutionException e) {<a name="line.456"></a>
-<span class="sourceLineNo">457</span> LOG.error("Got Exception From Thread While moving region " + e.getMessage(), e);<a name="line.457"></a>
-<span class="sourceLineNo">458</span> throw e;<a name="line.458"></a>
-<span class="sourceLineNo">459</span> } catch (CancellationException e) {<a name="line.459"></a>
-<span class="sourceLineNo">460</span> LOG.error("Thread for moving region cancelled. Timeout for cancellation:"<a name="line.460"></a>
-<span class="sourceLineNo">461</span> + timeoutInSeconds + "secs", e);<a name="line.461"></a>
-<span class="sourceLineNo">462</span> throw e;<a name="line.462"></a>
-<span class="sourceLineNo">463</span> }<a name="line.463"></a>
-<span class="sourceLineNo">464</span> }<a name="line.464"></a>
-<span class="sourceLineNo">465</span> }<a name="line.465"></a>
-<span class="sourceLineNo">466</span><a name="line.466"></a>
-<span class="sourceLineNo">467</span> @edu.umd.cs.findbugs.annotations.SuppressWarnings(value="DLS_DEAD_LOCAL_STORE",<a name="line.467"></a>
-<span class="sourceLineNo">468</span> justification="FB is wrong; its size is read")<a name="line.468"></a>
-<span class="sourceLineNo">469</span> private void unloadRegions(Admin admin, String server, ArrayList<String> regionServers,<a name="line.469"></a>
-<span class="sourceLineNo">470</span> boolean ack, List<RegionInfo> movedRegions) throws Exception {<a name="line.470"></a>
-<span class="sourceLineNo">471</span> List<RegionInfo> regionsToMove = new ArrayList<>();// FindBugs: DLS_DEAD_LOCAL_STORE<a name="line.471"></a>
-<span class="sourceLineNo">472</span> regionsToMove = getRegions(this.conf, server);<a name="line.472"></a>
-<span class="sourceLineNo">473</span> if (regionsToMove.isEmpty()) {<a name="line.473"></a>
-<span class="sourceLineNo">474</span> LOG.info("No Regions to move....Quitting now");<a name="line.474"></a>
-<span class="sourceLineNo">475</span> return;<a name="line.475"></a>
-<span class="sourceLineNo">476</span> } else if (regionServers.isEmpty()) {<a name="line.476"></a>
-<span class="sourceLineNo">477</span> LOG.warn("No Regions were moved - no servers available");<a name="line.477"></a>
-<span class="sourceLineNo">478</span> throw new Exception("No online region servers");<a name="line.478"></a>
-<span class="sourceLineNo">479</span> }<a name="line.479"></a>
-<span class="sourceLineNo">480</span> while (true) {<a name="line.480"></a>
-<span class="sourceLineNo">481</span> regionsToMove = getRegions(this.conf, server);<a name="line.481"></a>
-<span class="sourceLineNo">482</span> regionsToMove.removeAll(movedRegions);<a name="line.482"></a>
-<span class="sourceLineNo">483</span> if (regionsToMove.isEmpty()) {<a name="line.483"></a>
-<span class="sourceLineNo">484</span> break;<a name="line.484"></a>
-<span class="sourceLineNo">485</span> }<a name="line.485"></a>
-<span class="sourceLineNo">486</span> int counter = 0;<a name="line.486"></a>
-<span class="sourceLineNo">487</span> LOG.info("Moving " + regionsToMove.size() + " regions from " + this.hostname + " to "<a name="line.487"></a>
-<span class="sourceLineNo">488</span> + regionServers.size() + " servers using " + this.maxthreads + " threads .Ack Mode:"<a name="line.488"></a>
-<span class="sourceLineNo">489</span> + ack);<a name="line.489"></a>
-<span class="sourceLineNo">490</span> ExecutorService moveRegionsPool = Executors.newFixedThreadPool(this.maxthreads);<a name="line.490"></a>
-<span class="sourceLineNo">491</span> List<Future<Boolean>> taskList = new ArrayList<>();<a name="line.491"></a>
-<span class="sourceLineNo">492</span> int serverIndex = 0;<a name="line.492"></a>
-<span class="sourceLineNo">493</span> while (counter < regionsToMove.size()) {<a name="line.493"></a>
-<span class="sourceLineNo">494</span> if (ack) {<a name="line.494"></a>
-<span class="sourceLineNo">495</span> Future<Boolean> task =<a name="line.495"></a>
-<span class="sourceLineNo">496</span> moveRegionsPool.submit(new MoveWithAck(admin, regionsToMove.get(counter), server,<a name="line.496"></a>
-<span class="sourceLineNo">497</span> regionServers.get(serverIndex), movedRegions));<a name="line.497"></a>
-<span class="sourceLineNo">498</span> taskList.add(task);<a name="line.498"></a>
-<span class="sourceLineNo">499</span> } else {<a name="line.499"></a>
-<span class="sourceLineNo">500</span> Future<Boolean> task =<a name="line.500"></a>
-<span class="sourceLineNo">501</span> moveRegionsPool.submit(new MoveWithoutAck(admin, regionsToMove.get(counter), server,<a name="line.501"></a>
-<span class="sourceLineNo">502</span> regionServers.get(serverIndex), movedRegions));<a name="line.502"></a>
-<span class="sourceLineNo">503</span> taskList.add(task);<a name="line.503"></a>
-<span class="sourceLineNo">504</span> }<a name="line.504"></a>
-<span class="sourceLineNo">505</span> counter++;<a name="line.505"></a>
-<span class="sourceLineNo">506</span> serverIndex = (serverIndex + 1) % regionServers.size();<a name="line.506"></a>
-<span class="sourceLineNo">507</span> }<a name="line.507"></a>
-<span class="sourceLineNo">508</span> moveRegionsPool.shutdown();<a name="line.508"></a>
-<span class="sourceLineNo">509</span> long timeoutInSeconds =<a name="line.509"></a>
-<span class="sourceLineNo">510</span> regionsToMove.size()<a name="line.510"></a>
-<span class="sourceLineNo">511</span> * admin.getConfiguration().getLong(MOVE_WAIT_MAX_KEY, DEFAULT_MOVE_WAIT_MAX);<a name="line.511"></a>
-<span class="sourceLineNo">512</span> try {<a name="line.512"></a>
-<span class="sourceLineNo">513</span> if (!moveRegionsPool.awaitTermination(timeoutInSeconds, TimeUnit.SECONDS)) {<a name="line.513"></a>
-<span class="sourceLineNo">514</span> moveRegionsPool.shutdownNow();<a name="line.514"></a>
-<span class="sourceLineNo">515</span> }<a name="line.515"></a>
-<span class="sourceLineNo">516</span> } catch (InterruptedException e) {<a name="line.516"></a>
-<span class="sourceLineNo">517</span> moveRegionsPool.shutdownNow();<a name="line.517"></a>
-<span class="sourceLineNo">518</span> Thread.currentThread().interrupt();<a name="line.518"></a>
-<span class="sourceLineNo">519</span> }<a name="line.519"></a>
-<span class="sourceLineNo">520</span> for (Future<Boolean> future : taskList) {<a name="line.520"></a>
-<span class="sourceLineNo">521</span> try {<a name="line.521"></a>
-<span class="sourceLineNo">522</span> // if even after shutdownNow threads are stuck we wait for 5 secs max<a name="line.522"></a>
-<span class="sourceLineNo">523</span> if (!future.get(5, TimeUnit.SECONDS)) {<a name="line.523"></a>
-<span class="sourceLineNo">524</span> LOG.error("Was Not able to move region....Exiting Now");<a name="line.524"></a>
-<span class="sourceLineNo">525</span> throw new Exception("Could not move region Exception");<a name="line.525"></a>
-<span class="sourceLineNo">526</span> }<a name="line.526"></a>
-<span class="sourceLineNo">527</span> } catch (InterruptedException e) {<a name="line.527"></a>
-<span class="sourceLineNo">528</span> LOG.error("Interrupted while waiting for Thread to Complete " + e.getMessage(), e);<a name="line.528"></a>
-<span class="sourceLineNo">529</span> throw e;<a name="line.529"></a>
-<span class="sourceLineNo">530</span> } catch (ExecutionException e) {<a name="line.530"></a>
-<span class="sourceLineNo">531</span> LOG.error("Got Exception From Thread While moving region " + e.getMessage(), e);<a name="line.531"></a>
-<span class="sourceLineNo">532</span> throw e;<a name="line.532"></a>
-<span class="sourceLineNo">533</span> } catch (CancellationException e) {<a name="line.533"></a>
-<span class="sourceLineNo">534</span> LOG.error("Thread for moving region cancelled. Timeout for cancellation:"<a name="line.534"></a>
-<span class="sourceLineNo">535</span> + timeoutInSeconds + "secs", e);<a name="line.535"></a>
-<span class="sourceLineNo">536</span> throw e;<a name="line.536"></a>
-<span class="sourceLineNo">537</span> }<a name="line.537"></a>
-<span class="sourceLineNo">538</span> }<a name="line.538"></a>
-<span class="sourceLineNo">539</span> }<a name="line.539"></a>
-<span class="sourceLineNo">540</span> }<a name="line.540"></a>
-<span class="sourceLineNo">541</span><a name="line.541"></a>
-<span class="sourceLineNo">542</span> /**<a name="line.542"></a>
-<span class="sourceLineNo">543</span> * Move Regions and make sure that they are up on the target server.If a region movement fails we<a name="line.543"></a>
-<span class="sourceLineNo">544</span> * exit as failure<a name="line.544"></a>
-<span class="sourceLineNo">545</span> */<a name="line.545"></a>
-<span class="sourceLineNo">546</span> private class MoveWithAck implements Callable<Boolean> {<a name="line.546"></a>
-<span class="sourceLineNo">547</span> private Admin admin;<a name="line.547"></a>
-<span class="sourceLineNo">548</span> private RegionInfo region;<a name="line.548"></a>
-<span class="sourceLineNo">549</span> private String targetServer;<a name="line.549"></a>
-<span class="sourceLineNo">550</span> private List<RegionInfo> movedRegions;<a name="line.550"></a>
-<span class="sourceLineNo">551</span> private String sourceServer;<a name="line.551"></a>
-<span class="sourceLineNo">552</span><a name="line.552"></a>
-<span class="sourceLineNo">553</span> public MoveWithAck(Admin admin, RegionInfo regionInfo, String sourceServer,<a name="line.553"></a>
-<span class="sourceLineNo">554</span> String targetServer, List<RegionInfo> movedRegions) {<a name="line.554"></a>
-<span class="sourceLineNo">555</span> this.admin = admin;<a name="line.555"></a>
-<span class="sourceLineNo">556</span> this.region = regionInfo;<a name="line.556"></a>
-<span class="sourceLineNo">557</span> this.targetServer = targetServer;<a name="line.557"></a>
-<span class="sourceLineNo">558</span> this.movedRegions = movedRegions;<a name="line.558"></a>
-<span class="sourceLineNo">559</span> this.sourceServer = sourceServer;<a name="line.559"></a>
-<span class="sourceLineNo">560</span> }<a name="line.560"></a>
-<span class="sourceLineNo">561</span><a name="line.561"></a>
-<span class="sourceLineNo">562</span> @Override<a name="line.562"></a>
-<span class="sourceLineNo">563</span> public Boolean call() throws IOException, InterruptedException {<a name="line.563"></a>
-<span class="sourceLineNo">564</span> boolean moved = false;<a name="line.564"></a>
-<span class="sourceLineNo">565</span> int count = 0;<a name="line.565"></a>
-<span class="sourceLineNo">566</span> int retries = admin.getConfiguration().getInt(MOVE_RETRIES_MAX_KEY, DEFAULT_MOVE_RETRIES_MAX);<a name="line.566"></a>
-<span class="sourceLineNo">567</span> int maxWaitInSeconds =<a name="line.567"></a>
-<span class="sourceLineNo">568</span> admin.getConfiguration().getInt(MOVE_WAIT_MAX_KEY, DEFAULT_MOVE_WAIT_MAX);<a name="line.568"></a>
-<span class="sourceLineNo">569</span> long startTime = EnvironmentEdgeManager.currentTime();<a name="line.569"></a>
-<span class="sourceLineNo">570</span> boolean sameServer = true;<a name="line.570"></a>
-<span class="sourceLineNo">571</span> // Assert we can scan the region in its current location<a name="line.571"></a>
-<span class="sourceLineNo">572</span> isSuccessfulScan(admin, region);<a name="line.572"></a>
-<span class="sourceLineNo">573</span> LOG.info("Moving region:" + region.getEncodedName() + " from " + sourceServer + " to "<a name="line.573"></a>
-<span class="sourceLineNo">574</span> + targetServer);<a name="line.574"></a>
-<span class="sourceLineNo">575</span> while (count < retries && sameServer) {<a name="line.575"></a>
-<span class="sourceLineNo">576</span> if (count > 0) {<a name="line.576"></a>
-<span class="sourceLineNo">577</span> LOG.info("Retry " + Integer.toString(count) + " of maximum " + Integer.toString(retries));<a name="line.577"></a>
-<span class="sourceLineNo">578</span> }<a name="line.578"></a>
-<span class="sourceLineNo">579</span> count = count + 1;<a name="line.579"></a>
-<span class="sourceLineNo">580</span> admin.move(region.getEncodedNameAsBytes(), Bytes.toBytes(targetServer));<a name="line.580"></a>
-<span class="sourceLineNo">581</span> long maxWait = startTime + (maxWaitInSeconds * 1000);<a name="line.581"></a>
-<span class="sourceLineNo">582</span> while (EnvironmentEdgeManager.currentTime() < maxWait) {<a name="line.582"></a>
-<span class="sourceLineNo">583</span> sameServer = isSameServer(admin, region, sourceServer);<a name="line.583"></a>
-<span class="sourceLineNo">584</span> if (!sameServer) {<a name="line.584"></a>
-<span class="sourceLineNo">585</span> break;<a name="line.585"></a>
-<span class="sourceLineNo">586</span> }<a name="line.586"></a>
-<span class="sourceLineNo">587</span> Thread.sleep(100);<a name="line.587"></a>
-<span class="sourceLineNo">588</span> }<a name="line.588"></a>
-<span class="sourceLineNo">589</span> }<a name="line.589"></a>
-<span class="sourceLineNo">590</span> if (sameServer) {<a name="line.590"></a>
-<span class="sourceLineNo">591</span> LOG.error("Region: " + region.getRegionNameAsString() + " stuck on " + this.sourceServer<a name="line.591"></a>
-<span class="sourceLineNo">592</span> + ",newServer=" + this.targetServer);<a name="line.592"></a>
-<span class="sourceLineNo">593</span> } else {<a name="line.593"></a>
-<span class="sourceLineNo">594</span> isSuccessfulScan(admin, region);<a name="line.594"></a>
-<span class="sourceLineNo">595</span> LOG.info("Moved Region "<a name="line.595"></a>
-<span class="sourceLineNo">596</span> + region.getRegionNameAsString()<a name="line.596"></a>
-<span class="sourceLineNo">597</span> + " cost:"<a name="line.597"></a>
-<span class="sourceLineNo">598</span> + String.format("%.3f",<a name="line.598"></a>
-<span class="sourceLineNo">599</span> (float) (EnvironmentEdgeManager.currentTime() - startTime) / 1000));<a name="line.599"></a>
-<span class="sourceLineNo">600</span> moved = true;<a name="line.600"></a>
-<span class="sourceLineNo">601</span> movedRegions.add(region);<a name="line.601"></a>
-<span class="sourceLineNo">602</span> }<a name="line.602"></a>
-<span class="sourceLineNo">603</span> return moved;<a name="line.603"></a>
-<span class="sourceLineNo">604</span> }<a name="line.604"></a>
-<span class="sourceLineNo">605</span> }<a name="line.605"></a>
-<span class="sourceLineNo">606</span><a name="line.606"></a>
-<span class="sourceLineNo">607</span> /**<a name="line.607"></a>
-<span class="sourceLineNo">608</span> * Move Regions without Acknowledging.Usefule in case of RS shutdown as we might want to shut the<a name="line.608"></a>
-<span class="sourceLineNo">609</span> * RS down anyways and not abort on a stuck region. Improves movement performance<a name="line.609"></a>
-<span class="sourceLineNo">610</span> */<a name="line.610"></a>
-<span class="sourceLineNo">611</span> private static class MoveWithoutAck implements Callable<Boolean> {<a name="line.611"></a>
-<span class="sourceLineNo">612</span> private Admin admin;<a name="line.612"></a>
-<span class="sourceLineNo">613</span> private RegionInfo region;<a name="line.613"></a>
-<span class="sourceLineNo">614</span> private String targetServer;<a name="line.614"></a>
-<span class="sourceLineNo">615</span> private List<RegionInfo> movedRegions;<a name="line.615"></a>
-<span class="sourceLineNo">616</span> private String sourceServer;<a name="line.616"></a>
-<span class="sourceLineNo">617</span><a name="line.617"></a>
-<span class="sourceLineNo">618</span> public MoveWithoutAck(Admin admin, RegionInfo regionInfo, String sourceServer,<a name="line.618"></a>
-<span class="sourceLineNo">619</span> String targetServer, List<RegionInfo> movedRegions) {<a name="line.619"></a>
-<span class="sourceLineNo">620</span> this.admin = admin;<a name="l
<TRUNCATED>