[41/52] [partial] hbase-site git commit: Published site at 29c46c4834a3f96e9fca33cb16bc7f3748fcd60c.

[busbey]

http://git-wip-us.apache.org/repos/asf/hbase-site/blob/6444c276/apidocs/src-html/org/apache/hadoop/hbase/util/RegionMover.html
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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 1904857..a23c165 100644
--- a/apidocs/src-html/org/apache/hadoop/hbase/util/RegionMover.html
+++ b/apidocs/src-html/org/apache/hadoop/hbase/util/RegionMover.html
@@ -124,888 +124,889 @@
 <span class="sourceLineNo">116</span>    private String hostname;<a 
name="line.116"></a>
 <span class="sourceLineNo">117</span>    private String filename;<a 
name="line.117"></a>
 <span class="sourceLineNo">118</span>    private String excludeFile = null;<a 
name="line.118"></a>
-<span class="sourceLineNo">119</span>    private String defaultDir = "/tmp";<a 
name="line.119"></a>
-<span class="sourceLineNo">120</span>    private int port = 
HConstants.DEFAULT_REGIONSERVER_PORT;<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>     * @param hostname Hostname to unload 
regions from or load regions to. Can be either hostname<a name="line.123"></a>
-<span class="sourceLineNo">124</span>     *     or hostname:port.<a 
name="line.124"></a>
-<span class="sourceLineNo">125</span>     */<a name="line.125"></a>
-<span class="sourceLineNo">126</span>    public RegionMoverBuilder(String 
hostname) {<a name="line.126"></a>
-<span class="sourceLineNo">127</span>      String[] splitHostname = 
hostname.split(":");<a name="line.127"></a>
-<span class="sourceLineNo">128</span>      this.hostname = splitHostname[0];<a 
name="line.128"></a>
-<span class="sourceLineNo">129</span>      if (splitHostname.length == 2) {<a 
name="line.129"></a>
-<span class="sourceLineNo">130</span>        this.port = 
Integer.parseInt(splitHostname[1]);<a name="line.130"></a>
-<span class="sourceLineNo">131</span>      }<a name="line.131"></a>
-<span class="sourceLineNo">132</span>      
setDefaultfilename(this.hostname);<a name="line.132"></a>
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-<span class="sourceLineNo">134</span><a name="line.134"></a>
-<span class="sourceLineNo">135</span>    private void 
setDefaultfilename(String hostname) {<a name="line.135"></a>
-<span class="sourceLineNo">136</span>      this.filename =<a 
name="line.136"></a>
-<span class="sourceLineNo">137</span>          defaultDir + "/" + 
System.getProperty("user.name") + this.hostname + ":"<a name="line.137"></a>
-<span class="sourceLineNo">138</span>              + 
Integer.toString(this.port);<a name="line.138"></a>
-<span class="sourceLineNo">139</span>    }<a name="line.139"></a>
-<span class="sourceLineNo">140</span><a name="line.140"></a>
-<span class="sourceLineNo">141</span>    /**<a name="line.141"></a>
-<span class="sourceLineNo">142</span>     * Path of file where regions will be 
written to during unloading/read from during loading<a name="line.142"></a>
-<span class="sourceLineNo">143</span>     * @param filename<a 
name="line.143"></a>
-<span class="sourceLineNo">144</span>     * @return RegionMoverBuilder 
object<a name="line.144"></a>
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filename(String filename) {<a name="line.146"></a>
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name="line.147"></a>
-<span class="sourceLineNo">148</span>      return this;<a name="line.148"></a>
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-<span class="sourceLineNo">150</span><a name="line.150"></a>
-<span class="sourceLineNo">151</span>    /**<a name="line.151"></a>
-<span class="sourceLineNo">152</span>     * Set the max number of threads that 
will be used to move regions<a name="line.152"></a>
-<span class="sourceLineNo">153</span>     */<a name="line.153"></a>
-<span class="sourceLineNo">154</span>    public RegionMoverBuilder 
maxthreads(int threads) {<a name="line.154"></a>
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name="line.155"></a>
-<span class="sourceLineNo">156</span>      return this;<a name="line.156"></a>
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-<span class="sourceLineNo">159</span>    /**<a name="line.159"></a>
-<span class="sourceLineNo">160</span>     * Path of file containing hostnames 
to be excluded during region movement. Exclude file should<a 
name="line.160"></a>
-<span class="sourceLineNo">161</span>     * have 'host:port' per line. Port is 
mandatory here as we can have many RS running on a single<a name="line.161"></a>
-<span class="sourceLineNo">162</span>     * host.<a name="line.162"></a>
-<span class="sourceLineNo">163</span>     */<a name="line.163"></a>
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excludeFile(String excludefile) {<a name="line.164"></a>
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name="line.165"></a>
-<span class="sourceLineNo">166</span>      return this;<a name="line.166"></a>
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-<span class="sourceLineNo">168</span><a name="line.168"></a>
-<span class="sourceLineNo">169</span>    /**<a name="line.169"></a>
-<span class="sourceLineNo">170</span>     * Set ack/noAck mode.<a 
name="line.170"></a>
-<span class="sourceLineNo">171</span>     * &lt;p&gt;<a name="line.171"></a>
-<span class="sourceLineNo">172</span>     * In ack mode regions are 
acknowledged before and after moving and the move is retried<a 
name="line.172"></a>
-<span class="sourceLineNo">173</span>     * hbase.move.retries.max times, if 
unsuccessful we quit with exit code 1.No Ack mode is a best<a 
name="line.173"></a>
-<span class="sourceLineNo">174</span>     * effort mode,each region movement 
is tried once.This can be used during graceful shutdown as<a 
name="line.174"></a>
-<span class="sourceLineNo">175</span>     * even if we have a stuck 
region,upon shutdown it'll be reassigned anyway.<a name="line.175"></a>
-<span class="sourceLineNo">176</span>     * &lt;p&gt;<a name="line.176"></a>
-<span class="sourceLineNo">177</span>     * @param ack<a name="line.177"></a>
-<span class="sourceLineNo">178</span>     * @return RegionMoverBuilder 
object<a name="line.178"></a>
-<span class="sourceLineNo">179</span>     */<a name="line.179"></a>
-<span class="sourceLineNo">180</span>    public RegionMoverBuilder ack(boolean 
ack) {<a name="line.180"></a>
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name="line.181"></a>
-<span class="sourceLineNo">182</span>      return this;<a name="line.182"></a>
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-<span class="sourceLineNo">184</span><a name="line.184"></a>
-<span class="sourceLineNo">185</span>    /**<a name="line.185"></a>
-<span class="sourceLineNo">186</span>     * Set the timeout for Load/Unload 
operation in seconds.This is a global timeout,threadpool for<a 
name="line.186"></a>
-<span class="sourceLineNo">187</span>     * movers also have a separate time 
which is hbase.move.wait.max * number of regions to<a name="line.187"></a>
-<span class="sourceLineNo">188</span>     * load/unload<a name="line.188"></a>
-<span class="sourceLineNo">189</span>     * @param timeout in seconds<a 
name="line.189"></a>
-<span class="sourceLineNo">190</span>     * @return RegionMoverBuilder 
object<a name="line.190"></a>
-<span class="sourceLineNo">191</span>     */<a name="line.191"></a>
-<span class="sourceLineNo">192</span>    public RegionMoverBuilder timeout(int 
timeout) {<a name="line.192"></a>
-<span class="sourceLineNo">193</span>      this.timeout = timeout;<a 
name="line.193"></a>
-<span class="sourceLineNo">194</span>      return this;<a name="line.194"></a>
-<span class="sourceLineNo">195</span>    }<a name="line.195"></a>
-<span class="sourceLineNo">196</span><a name="line.196"></a>
-<span class="sourceLineNo">197</span>    /**<a name="line.197"></a>
-<span class="sourceLineNo">198</span>     * This method builds the appropriate 
RegionMover object which can then be used to load/unload<a name="line.198"></a>
-<span class="sourceLineNo">199</span>     * using load and unload methods<a 
name="line.199"></a>
-<span class="sourceLineNo">200</span>     * @return RegionMover object<a 
name="line.200"></a>
-<span class="sourceLineNo">201</span>     */<a name="line.201"></a>
-<span class="sourceLineNo">202</span>    public RegionMover build() {<a 
name="line.202"></a>
-<span class="sourceLineNo">203</span>      return new RegionMover(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>  /**<a name="line.207"></a>
-<span class="sourceLineNo">208</span>   * Loads the specified {@link 
#hostname} with regions listed in the {@link #filename} RegionMover<a 
name="line.208"></a>
-<span class="sourceLineNo">209</span>   * Object has to be created using 
{@link #RegionMover(RegionMoverBuilder)}<a name="line.209"></a>
-<span class="sourceLineNo">210</span>   * @return true if loading succeeded, 
false otherwise<a name="line.210"></a>
-<span class="sourceLineNo">211</span>   * @throws ExecutionException<a 
name="line.211"></a>
-<span class="sourceLineNo">212</span>   * @throws InterruptedException if the 
loader thread was interrupted<a name="line.212"></a>
-<span class="sourceLineNo">213</span>   * @throws TimeoutException<a 
name="line.213"></a>
-<span class="sourceLineNo">214</span>   */<a name="line.214"></a>
-<span class="sourceLineNo">215</span>  public boolean load() throws 
ExecutionException, InterruptedException, TimeoutException {<a 
name="line.215"></a>
-<span class="sourceLineNo">216</span>    setConf();<a name="line.216"></a>
-<span class="sourceLineNo">217</span>    ExecutorService loadPool = 
Executors.newFixedThreadPool(1);<a name="line.217"></a>
-<span class="sourceLineNo">218</span>    Future&lt;Boolean&gt; loadTask = 
loadPool.submit(new Load(this));<a name="line.218"></a>
-<span class="sourceLineNo">219</span>    loadPool.shutdown();<a 
name="line.219"></a>
-<span class="sourceLineNo">220</span>    try {<a name="line.220"></a>
-<span class="sourceLineNo">221</span>      if 
(!loadPool.awaitTermination((long) this.timeout, TimeUnit.SECONDS)) {<a 
name="line.221"></a>
-<span class="sourceLineNo">222</span>        LOG.warn("Timed out before 
finishing the loading operation. Timeout:" + this.timeout<a name="line.222"></a>
-<span class="sourceLineNo">223</span>            + "sec");<a 
name="line.223"></a>
-<span class="sourceLineNo">224</span>        loadPool.shutdownNow();<a 
name="line.224"></a>
-<span class="sourceLineNo">225</span>      }<a name="line.225"></a>
-<span class="sourceLineNo">226</span>    } catch (InterruptedException e) {<a 
name="line.226"></a>
-<span class="sourceLineNo">227</span>      loadPool.shutdownNow();<a 
name="line.227"></a>
-<span class="sourceLineNo">228</span>      
Thread.currentThread().interrupt();<a name="line.228"></a>
-<span class="sourceLineNo">229</span>    }<a name="line.229"></a>
-<span class="sourceLineNo">230</span>    try {<a name="line.230"></a>
-<span class="sourceLineNo">231</span>      return loadTask.get(5, 
TimeUnit.SECONDS);<a name="line.231"></a>
-<span class="sourceLineNo">232</span>    } catch (InterruptedException e) {<a 
name="line.232"></a>
-<span class="sourceLineNo">233</span>      LOG.warn("Interrupted while loading 
Regions on " + this.hostname, e);<a name="line.233"></a>
-<span class="sourceLineNo">234</span>      throw e;<a name="line.234"></a>
-<span class="sourceLineNo">235</span>    } catch (ExecutionException e) {<a 
name="line.235"></a>
-<span class="sourceLineNo">236</span>      LOG.error("Error while loading 
regions on RegionServer " + this.hostname, e);<a name="line.236"></a>
-<span class="sourceLineNo">237</span>      throw e;<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><a name="line.240"></a>
-<span class="sourceLineNo">241</span>  private class Load implements 
Callable&lt;Boolean&gt; {<a name="line.241"></a>
-<span class="sourceLineNo">242</span><a name="line.242"></a>
-<span class="sourceLineNo">243</span>    private RegionMover rm;<a 
name="line.243"></a>
-<span class="sourceLineNo">244</span><a name="line.244"></a>
-<span class="sourceLineNo">245</span>    public Load(RegionMover rm) {<a 
name="line.245"></a>
-<span class="sourceLineNo">246</span>      this.rm = rm;<a name="line.246"></a>
-<span class="sourceLineNo">247</span>    }<a name="line.247"></a>
-<span class="sourceLineNo">248</span><a name="line.248"></a>
-<span class="sourceLineNo">249</span>    @Override<a name="line.249"></a>
-<span class="sourceLineNo">250</span>    public Boolean call() throws 
IOException {<a name="line.250"></a>
-<span class="sourceLineNo">251</span>      Connection conn = 
ConnectionFactory.createConnection(rm.conf);<a name="line.251"></a>
-<span class="sourceLineNo">252</span>      try {<a name="line.252"></a>
-<span class="sourceLineNo">253</span>        List&lt;HRegionInfo&gt; 
regionsToMove = readRegionsFromFile(rm.filename);<a name="line.253"></a>
-<span class="sourceLineNo">254</span>        if (regionsToMove.isEmpty()) {<a 
name="line.254"></a>
-<span class="sourceLineNo">255</span>          LOG.info("No regions to 
load.Exiting");<a name="line.255"></a>
-<span class="sourceLineNo">256</span>          return true;<a 
name="line.256"></a>
-<span class="sourceLineNo">257</span>        }<a name="line.257"></a>
-<span class="sourceLineNo">258</span>        Admin admin = conn.getAdmin();<a 
name="line.258"></a>
-<span class="sourceLineNo">259</span>        try {<a name="line.259"></a>
-<span class="sourceLineNo">260</span>          loadRegions(admin, rm.hostname, 
rm.port, regionsToMove, rm.ack);<a name="line.260"></a>
-<span class="sourceLineNo">261</span>        } finally {<a name="line.261"></a>
-<span class="sourceLineNo">262</span>          admin.close();<a 
name="line.262"></a>
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-<span class="sourceLineNo">264</span>      } catch (Exception e) {<a 
name="line.264"></a>
-<span class="sourceLineNo">265</span>        LOG.error("Error while loading 
regions to " + rm.hostname, e);<a name="line.265"></a>
-<span class="sourceLineNo">266</span>        return false;<a 
name="line.266"></a>
-<span class="sourceLineNo">267</span>      } finally {<a name="line.267"></a>
-<span class="sourceLineNo">268</span>        conn.close();<a 
name="line.268"></a>
-<span class="sourceLineNo">269</span>      }<a name="line.269"></a>
-<span class="sourceLineNo">270</span>      return true;<a name="line.270"></a>
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-<span class="sourceLineNo">272</span>  }<a name="line.272"></a>
-<span class="sourceLineNo">273</span><a name="line.273"></a>
-<span class="sourceLineNo">274</span>  /**<a name="line.274"></a>
-<span class="sourceLineNo">275</span>   * Unload regions from given {@link 
#hostname} using ack/noAck mode and {@link #maxthreads}.In<a 
name="line.275"></a>
-<span class="sourceLineNo">276</span>   * noAck mode we do not make sure that 
region is successfully online on the target region<a name="line.276"></a>
-<span class="sourceLineNo">277</span>   * server,hence it is best effort.We do 
not unload regions to hostnames given in<a name="line.277"></a>
-<span class="sourceLineNo">278</span>   * {@link #excludeFile}.<a 
name="line.278"></a>
-<span class="sourceLineNo">279</span>   * @return true if unloading succeeded, 
false otherwise<a name="line.279"></a>
-<span class="sourceLineNo">280</span>   * @throws InterruptedException if the 
unloader thread was interrupted<a name="line.280"></a>
-<span class="sourceLineNo">281</span>   * @throws ExecutionException<a 
name="line.281"></a>
-<span class="sourceLineNo">282</span>   * @throws TimeoutException<a 
name="line.282"></a>
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InterruptedException, ExecutionException, TimeoutException {<a 
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name="line.286"></a>
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Executors.newFixedThreadPool(1);<a name="line.287"></a>
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unloadPool.submit(new Unload(this));<a name="line.288"></a>
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name="line.289"></a>
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(!unloadPool.awaitTermination((long) this.timeout, TimeUnit.SECONDS)) {<a 
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finishing the unloading operation. Timeout:" + this.timeout<a 
name="line.292"></a>
-<span class="sourceLineNo">293</span>            + "sec");<a 
name="line.293"></a>
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Thread.currentThread().interrupt();<a name="line.298"></a>
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TimeUnit.SECONDS);<a name="line.301"></a>
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name="line.302"></a>
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unloading Regions from " + this.hostname, e);<a name="line.303"></a>
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name="line.305"></a>
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regions from RegionServer " + this.hostname, e);<a name="line.306"></a>
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Callable&lt;Boolean&gt; {<a name="line.311"></a>
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= Collections.synchronizedList(new ArrayList&lt;HRegionInfo&gt;());<a 
name="line.313"></a>
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name="line.314"></a>
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name="line.316"></a>
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IOException {<a name="line.321"></a>
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ConnectionFactory.createConnection(rm.conf);<a name="line.322"></a>
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name="line.324"></a>
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name="line.325"></a>
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regionServers = getServers(admin);<a name="line.326"></a>
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name="line.327"></a>
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servers:" + regionServers.toString());<a name="line.328"></a>
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-<span class="sourceLineNo">330</span>        // Remove the host Region server 
from target Region Servers list<a name="line.330"></a>
-<span class="sourceLineNo">331</span>        String server = 
stripServer(regionServers, hostname, port);<a name="line.331"></a>
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exclude file<a name="line.332"></a>
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rm.excludeFile);<a name="line.333"></a>
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admin);<a name="line.334"></a>
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regionServers, rm.ack, movedRegions);<a name="line.335"></a>
-<span class="sourceLineNo">336</span>      } catch (Exception e) {<a 
name="line.336"></a>
-<span class="sourceLineNo">337</span>        LOG.error("Error while unloading 
regions ", e);<a name="line.337"></a>
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name="line.338"></a>
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name="line.341"></a>
-<span class="sourceLineNo">342</span>        } catch (IOException e) {<a 
name="line.342"></a>
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regionsToMove.removeAll(movedRegions);<a name="line.474"></a>
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taskList = new ArrayList&lt;Future&lt;Boolean&gt;&gt;();<a name="line.483"></a>
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admin.getConfiguration().getInt(MOVE_WAIT_MAX_KEY, DEFAULT_MOVE_WAIT_MAX);<a 
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dos.writeInt(movedRegions.size());<a name="line.697"></a>
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rs.split(ServerName.SERVERNAME_SEPARATOR)[0] + ":"<a name="line.729"></a>
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System.getProperty("user.name") + this.hostname + ":"<a name="line.138"></a>
+<span class="sourceLineNo">139</span>              + 
Integer.toString(this.port);<a name="line.139"></a>
+<span class="sourceLineNo">140</span>    }<a name="line.140"></a>
+<span class="sourceLineNo">141</span><a name="line.141"></a>
+<span class="sourceLineNo">142</span>    /**<a name="line.142"></a>
+<span class="sourceLineNo">143</span>     * Path of file where regions will be 
written to during unloading/read from during loading<a name="line.143"></a>
+<span class="sourceLineNo">144</span>     * @param filename<a 
name="line.144"></a>
+<span class="sourceLineNo">145</span>     * @return RegionMoverBuilder 
object<a name="line.145"></a>
+<span class="sourceLineNo">146</span>     */<a name="line.146"></a>
+<span class="sourceLineNo">147</span>    public RegionMoverBuilder 
filename(String filename) {<a name="line.147"></a>
+<span class="sourceLineNo">148</span>      this.filename = filename;<a 
name="line.148"></a>
+<span class="sourceLineNo">149</span>      return thi

<TRUNCATED>