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Posted to commits@hbase.apache.org by gi...@apache.org on 2018/07/13 14:50:17 UTC
[07/13] hbase-site git commit: Published site at
ce82fd0f4765f40ff44357719ffd47cd803f07fb.
http://git-wip-us.apache.org/repos/asf/hbase-site/blob/4a429994/devapidocs/src-html/org/apache/hadoop/hbase/util/RegionMover.MoveWithAck.html
----------------------------------------------------------------------
diff --git a/devapidocs/src-html/org/apache/hadoop/hbase/util/RegionMover.MoveWithAck.html b/devapidocs/src-html/org/apache/hadoop/hbase/util/RegionMover.MoveWithAck.html
index 701d135..fe7808c 100644
--- a/devapidocs/src-html/org/apache/hadoop/hbase/util/RegionMover.MoveWithAck.html
+++ b/devapidocs/src-html/org/apache/hadoop/hbase/util/RegionMover.MoveWithAck.html
@@ -71,946 +71,950 @@
<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.org.apache.commons.cli.CommandLine;<a name="line.66"></a>
-<span class="sourceLineNo">067</span><a name="line.67"></a>
-<span class="sourceLineNo">068</span>/**<a name="line.68"></a>
-<span class="sourceLineNo">069</span> * Tool for loading/unloading regions to/from given regionserver This tool can be run from Command<a name="line.69"></a>
-<span class="sourceLineNo">070</span> * line directly as a utility. Supports Ack/No Ack mode for loading/unloading operations.Ack mode<a name="line.70"></a>
-<span class="sourceLineNo">071</span> * acknowledges if regions are online after movement while noAck mode is best effort mode that<a name="line.71"></a>
-<span class="sourceLineNo">072</span> * improves performance but will still move on if region is stuck/not moved. Motivation behind noAck<a name="line.72"></a>
-<span class="sourceLineNo">073</span> * mode being RS shutdown where even if a Region is stuck, upon shutdown master will move it<a name="line.73"></a>
-<span class="sourceLineNo">074</span> * anyways. This can also be used by constructiong an Object using the builder and then calling<a name="line.74"></a>
-<span class="sourceLineNo">075</span> * {@link #load()} or {@link #unload()} methods for the desired operations.<a name="line.75"></a>
-<span class="sourceLineNo">076</span> */<a name="line.76"></a>
-<span class="sourceLineNo">077</span>@InterfaceAudience.Public<a name="line.77"></a>
-<span class="sourceLineNo">078</span>public class RegionMover extends AbstractHBaseTool {<a name="line.78"></a>
-<span class="sourceLineNo">079</span> public static final String MOVE_RETRIES_MAX_KEY = "hbase.move.retries.max";<a name="line.79"></a>
-<span class="sourceLineNo">080</span> public static final String MOVE_WAIT_MAX_KEY = "hbase.move.wait.max";<a name="line.80"></a>
-<span class="sourceLineNo">081</span> public static final String SERVERSTART_WAIT_MAX_KEY = "hbase.serverstart.wait.max";<a name="line.81"></a>
-<span class="sourceLineNo">082</span> public static final int DEFAULT_MOVE_RETRIES_MAX = 5;<a name="line.82"></a>
-<span class="sourceLineNo">083</span> public static final int DEFAULT_MOVE_WAIT_MAX = 60;<a name="line.83"></a>
-<span class="sourceLineNo">084</span> public static final int DEFAULT_SERVERSTART_WAIT_MAX = 180;<a name="line.84"></a>
-<span class="sourceLineNo">085</span> static final Logger LOG = LoggerFactory.getLogger(RegionMover.class);<a name="line.85"></a>
-<span class="sourceLineNo">086</span> private RegionMoverBuilder rmbuilder;<a name="line.86"></a>
-<span class="sourceLineNo">087</span> private boolean ack = true;<a name="line.87"></a>
-<span class="sourceLineNo">088</span> private int maxthreads = 1;<a name="line.88"></a>
-<span class="sourceLineNo">089</span> private int timeout;<a name="line.89"></a>
-<span class="sourceLineNo">090</span> private String loadUnload;<a name="line.90"></a>
-<span class="sourceLineNo">091</span> private String hostname;<a name="line.91"></a>
-<span class="sourceLineNo">092</span> private String filename;<a name="line.92"></a>
-<span class="sourceLineNo">093</span> private String excludeFile;<a name="line.93"></a>
-<span class="sourceLineNo">094</span> private int port;<a name="line.94"></a>
-<span class="sourceLineNo">095</span><a name="line.95"></a>
-<span class="sourceLineNo">096</span> private RegionMover(RegionMoverBuilder builder) {<a name="line.96"></a>
-<span class="sourceLineNo">097</span> this.hostname = builder.hostname;<a name="line.97"></a>
-<span class="sourceLineNo">098</span> this.filename = builder.filename;<a name="line.98"></a>
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-<span class="sourceLineNo">100</span> this.maxthreads = builder.maxthreads;<a name="line.100"></a>
-<span class="sourceLineNo">101</span> this.ack = builder.ack;<a name="line.101"></a>
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-<span class="sourceLineNo">105</span><a name="line.105"></a>
-<span class="sourceLineNo">106</span> private RegionMover() {<a name="line.106"></a>
-<span class="sourceLineNo">107</span> }<a name="line.107"></a>
-<span class="sourceLineNo">108</span><a name="line.108"></a>
-<span class="sourceLineNo">109</span> /**<a name="line.109"></a>
-<span class="sourceLineNo">110</span> * Builder for Region mover. Use the {@link #build()} method to create RegionMover object. Has<a name="line.110"></a>
-<span class="sourceLineNo">111</span> * {@link #filename(String)}, {@link #excludeFile(String)}, {@link #maxthreads(int)},<a name="line.111"></a>
-<span class="sourceLineNo">112</span> * {@link #ack(boolean)}, {@link #timeout(int)} methods to set the corresponding options<a name="line.112"></a>
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-<span class="sourceLineNo">114</span> public static class RegionMoverBuilder {<a name="line.114"></a>
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-<span class="sourceLineNo">117</span> private int timeout = Integer.MAX_VALUE;<a name="line.117"></a>
-<span class="sourceLineNo">118</span> private String hostname;<a name="line.118"></a>
-<span class="sourceLineNo">119</span> private String filename;<a name="line.119"></a>
-<span class="sourceLineNo">120</span> private String excludeFile = null;<a name="line.120"></a>
-<span class="sourceLineNo">121</span> String defaultDir = System.getProperty("java.io.tmpdir");<a name="line.121"></a>
-<span class="sourceLineNo">122</span><a name="line.122"></a>
-<span class="sourceLineNo">123</span> private int port = HConstants.DEFAULT_REGIONSERVER_PORT;<a name="line.123"></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> /**<a name="line.125"></a>
-<span class="sourceLineNo">126</span> * @param hostname Hostname to unload regions from or load regions to. Can be either hostname<a name="line.126"></a>
-<span class="sourceLineNo">127</span> * or hostname:port.<a name="line.127"></a>
-<span class="sourceLineNo">128</span> */<a name="line.128"></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> String[] splitHostname = hostname.toLowerCase().split(":");<a name="line.130"></a>
-<span class="sourceLineNo">131</span> this.hostname = splitHostname[0];<a name="line.131"></a>
-<span class="sourceLineNo">132</span> if (splitHostname.length == 2) {<a name="line.132"></a>
-<span class="sourceLineNo">133</span> this.port = Integer.parseInt(splitHostname[1]);<a name="line.133"></a>
-<span class="sourceLineNo">134</span> }<a name="line.134"></a>
-<span class="sourceLineNo">135</span> setDefaultfilename(this.hostname);<a name="line.135"></a>
-<span class="sourceLineNo">136</span> }<a name="line.136"></a>
-<span class="sourceLineNo">137</span><a name="line.137"></a>
-<span class="sourceLineNo">138</span> private void setDefaultfilename(String hostname) {<a name="line.138"></a>
-<span class="sourceLineNo">139</span> this.filename =<a name="line.139"></a>
-<span class="sourceLineNo">140</span> defaultDir + File.separator + System.getProperty("user.name") + this.hostname + ":"<a name="line.140"></a>
-<span class="sourceLineNo">141</span> + Integer.toString(this.port);<a name="line.141"></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">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> * Path of file where regions will be written to during unloading/read from during loading<a name="line.145"></a>
-<span class="sourceLineNo">146</span> * @param filename<a name="line.146"></a>
-<span class="sourceLineNo">147</span> * @return RegionMoverBuilder object<a name="line.147"></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 filename(String filename) {<a name="line.149"></a>
-<span class="sourceLineNo">150</span> this.filename = filename;<a name="line.150"></a>
-<span class="sourceLineNo">151</span> return this;<a name="line.151"></a>
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-<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> * Set the max number of threads that will be used to move regions<a name="line.155"></a>
-<span class="sourceLineNo">156</span> */<a name="line.156"></a>
-<span class="sourceLineNo">157</span> public RegionMoverBuilder maxthreads(int threads) {<a name="line.157"></a>
-<span class="sourceLineNo">158</span> this.maxthreads = threads;<a name="line.158"></a>
-<span class="sourceLineNo">159</span> return this;<a name="line.159"></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>
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-<span class="sourceLineNo">164</span> * have 'host:port' per line. Port is mandatory here as we can have many RS running on a single<a name="line.164"></a>
-<span class="sourceLineNo">165</span> * host.<a name="line.165"></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 excludeFile(String excludefile) {<a name="line.167"></a>
-<span class="sourceLineNo">168</span> this.excludeFile = excludefile;<a name="line.168"></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>
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<span class="sourceLineNo">171</span><a name="line.171"></a>
<span class="sourceLineNo">172</span> /**<a name="line.172"></a>
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-<span class="sourceLineNo">175</span> * In ack mode regions are acknowledged before and after moving and the move is retried<a name="line.175"></a>
-<span class="sourceLineNo">176</span> * hbase.move.retries.max times, if unsuccessful we quit with exit code 1.No Ack mode is a best<a name="line.176"></a>
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-<span class="sourceLineNo">178</span> * even if we have a stuck region,upon shutdown it'll be reassigned anyway.<a name="line.178"></a>
-<span class="sourceLineNo">179</span> * <p><a name="line.179"></a>
-<span class="sourceLineNo">180</span> * @param ack<a name="line.180"></a>
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-<span class="sourceLineNo">183</span> public RegionMoverBuilder ack(boolean ack) {<a name="line.183"></a>
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-<span class="sourceLineNo">185</span> return this;<a name="line.185"></a>
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-<span class="sourceLineNo">187</span><a name="line.187"></a>
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-<span class="sourceLineNo">189</span> * Set the timeout for Load/Unload operation in seconds.This is a global timeout,threadpool for<a name="line.189"></a>
-<span class="sourceLineNo">190</span> * movers also have a separate time which is hbase.move.wait.max * number of regions to<a name="line.190"></a>
-<span class="sourceLineNo">191</span> * load/unload<a name="line.191"></a>
-<span class="sourceLineNo">192</span> * @param timeout in seconds<a name="line.192"></a>
-<span class="sourceLineNo">193</span> * @return RegionMoverBuilder object<a name="line.193"></a>
-<span class="sourceLineNo">194</span> */<a name="line.194"></a>
-<span class="sourceLineNo">195</span> public RegionMoverBuilder timeout(int timeout) {<a name="line.195"></a>
-<span class="sourceLineNo">196</span> this.timeout = timeout;<a name="line.196"></a>
-<span class="sourceLineNo">197</span> return this;<a name="line.197"></a>
-<span class="sourceLineNo">198</span> }<a name="line.198"></a>
-<span class="sourceLineNo">199</span><a name="line.199"></a>
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