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From mi...@apache.org
Subject svn commit: r1711891 [41/50] - in /hbase/hbase.apache.org/trunk: ./ apidocs/ apidocs/org/apache/hadoop/hbase/ apidocs/org/apache/hadoop/hbase/class-use/ apidocs/org/apache/hadoop/hbase/client/ apidocs/org/apache/hadoop/hbase/client/class-use/ apidocs/o...
Date Mon, 02 Nov 2015 03:51:05 GMT
Modified: hbase/hbase.apache.org/trunk/xref-test/org/apache/hadoop/hbase/regionserver/TestRegionMergeTransactionOnCluster.html
URL: http://svn.apache.org/viewvc/hbase/hbase.apache.org/trunk/xref-test/org/apache/hadoop/hbase/regionserver/TestRegionMergeTransactionOnCluster.html?rev=1711891&r1=1711890&r2=1711891&view=diff
==============================================================================
--- hbase/hbase.apache.org/trunk/xref-test/org/apache/hadoop/hbase/regionserver/TestRegionMergeTransactionOnCluster.html (original)
+++ hbase/hbase.apache.org/trunk/xref-test/org/apache/hadoop/hbase/regionserver/TestRegionMergeTransactionOnCluster.html Mon Nov  2 03:51:02 2015
@@ -234,295 +234,294 @@
 <a class="jxr_linenumber" name="224" href="#224">224</a>           HConstants.MERGEB_QUALIFIER) != <strong class="jxr_keyword">null</strong>);
 <a class="jxr_linenumber" name="225" href="#225">225</a> 
 <a class="jxr_linenumber" name="226" href="#226">226</a>       <em class="jxr_comment">// merging regions' directory are in the file system all the same</em>
-<a class="jxr_linenumber" name="227" href="#227">227</a>       HRegionInfo regionA = HRegionInfo.getHRegionInfo(mergedRegionResult,
-<a class="jxr_linenumber" name="228" href="#228">228</a>           HConstants.MERGEA_QUALIFIER);
-<a class="jxr_linenumber" name="229" href="#229">229</a>       HRegionInfo regionB = HRegionInfo.getHRegionInfo(mergedRegionResult,
-<a class="jxr_linenumber" name="230" href="#230">230</a>           HConstants.MERGEB_QUALIFIER);
-<a class="jxr_linenumber" name="231" href="#231">231</a>       FileSystem fs = master.getMasterFileSystem().getFileSystem();
-<a class="jxr_linenumber" name="232" href="#232">232</a>       Path rootDir = master.getMasterFileSystem().getRootDir();
-<a class="jxr_linenumber" name="233" href="#233">233</a> 
-<a class="jxr_linenumber" name="234" href="#234">234</a>       Path tabledir = FSUtils.getTableDir(rootDir, mergedRegionInfo.getTable());
-<a class="jxr_linenumber" name="235" href="#235">235</a>       Path regionAdir = <strong class="jxr_keyword">new</strong> Path(tabledir, regionA.getEncodedName());
-<a class="jxr_linenumber" name="236" href="#236">236</a>       Path regionBdir = <strong class="jxr_keyword">new</strong> Path(tabledir, regionB.getEncodedName());
-<a class="jxr_linenumber" name="237" href="#237">237</a>       assertTrue(fs.exists(regionAdir));
-<a class="jxr_linenumber" name="238" href="#238">238</a>       assertTrue(fs.exists(regionBdir));
-<a class="jxr_linenumber" name="239" href="#239">239</a> 
-<a class="jxr_linenumber" name="240" href="#240">240</a>       admin.compactRegion(mergedRegionInfo.getRegionName());
-<a class="jxr_linenumber" name="241" href="#241">241</a>       <em class="jxr_comment">// wait until merged region doesn't have reference file</em>
-<a class="jxr_linenumber" name="242" href="#242">242</a>       <strong class="jxr_keyword">long</strong> timeout = System.currentTimeMillis() + waitTime;
-<a class="jxr_linenumber" name="243" href="#243">243</a>       HRegionFileSystem hrfs = <strong class="jxr_keyword">new</strong> HRegionFileSystem(
-<a class="jxr_linenumber" name="244" href="#244">244</a>           TEST_UTIL.getConfiguration(), fs, tabledir, mergedRegionInfo);
-<a class="jxr_linenumber" name="245" href="#245">245</a>       <strong class="jxr_keyword">while</strong> (System.currentTimeMillis() &lt; timeout) {
-<a class="jxr_linenumber" name="246" href="#246">246</a>         <strong class="jxr_keyword">if</strong> (!hrfs.hasReferences(tableDescritor)) {
-<a class="jxr_linenumber" name="247" href="#247">247</a>           <strong class="jxr_keyword">break</strong>;
-<a class="jxr_linenumber" name="248" href="#248">248</a>         }
-<a class="jxr_linenumber" name="249" href="#249">249</a>         Thread.sleep(50);
-<a class="jxr_linenumber" name="250" href="#250">250</a>       }
-<a class="jxr_linenumber" name="251" href="#251">251</a>       assertFalse(hrfs.hasReferences(tableDescritor));
-<a class="jxr_linenumber" name="252" href="#252">252</a> 
-<a class="jxr_linenumber" name="253" href="#253">253</a>       <em class="jxr_comment">// run CatalogJanitor to clean merge references in hbase:meta and archive the</em>
-<a class="jxr_linenumber" name="254" href="#254">254</a>       <em class="jxr_comment">// files of merging regions</em>
-<a class="jxr_linenumber" name="255" href="#255">255</a>       <strong class="jxr_keyword">int</strong> cleaned = admin.runCatalogScan();
-<a class="jxr_linenumber" name="256" href="#256">256</a>       assertTrue(cleaned &gt; 0);
-<a class="jxr_linenumber" name="257" href="#257">257</a>       assertFalse(fs.exists(regionAdir));
-<a class="jxr_linenumber" name="258" href="#258">258</a>       assertFalse(fs.exists(regionBdir));
-<a class="jxr_linenumber" name="259" href="#259">259</a> 
-<a class="jxr_linenumber" name="260" href="#260">260</a>       mergedRegionResult = MetaTableAccessor.getRegionResult(
-<a class="jxr_linenumber" name="261" href="#261">261</a>         master.getConnection(), mergedRegionInfo.getRegionName());
-<a class="jxr_linenumber" name="262" href="#262">262</a>       assertFalse(mergedRegionResult.getValue(HConstants.CATALOG_FAMILY,
-<a class="jxr_linenumber" name="263" href="#263">263</a>           HConstants.MERGEA_QUALIFIER) != <strong class="jxr_keyword">null</strong>);
-<a class="jxr_linenumber" name="264" href="#264">264</a>       assertFalse(mergedRegionResult.getValue(HConstants.CATALOG_FAMILY,
-<a class="jxr_linenumber" name="265" href="#265">265</a>           HConstants.MERGEB_QUALIFIER) != <strong class="jxr_keyword">null</strong>);
-<a class="jxr_linenumber" name="266" href="#266">266</a> 
-<a class="jxr_linenumber" name="267" href="#267">267</a>     } <strong class="jxr_keyword">finally</strong> {
-<a class="jxr_linenumber" name="268" href="#268">268</a>       admin.enableCatalogJanitor(<strong class="jxr_keyword">true</strong>);
-<a class="jxr_linenumber" name="269" href="#269">269</a>     }
-<a class="jxr_linenumber" name="270" href="#270">270</a>   }
-<a class="jxr_linenumber" name="271" href="#271">271</a> 
-<a class="jxr_linenumber" name="272" href="#272">272</a>   <em class="jxr_javadoccomment">/**</em>
-<a class="jxr_linenumber" name="273" href="#273">273</a> <em class="jxr_javadoccomment">   * This test tests 1, merging region not online;</em>
-<a class="jxr_linenumber" name="274" href="#274">274</a> <em class="jxr_javadoccomment">   * 2, merging same two regions; 3, merging unknown regions.</em>
-<a class="jxr_linenumber" name="275" href="#275">275</a> <em class="jxr_javadoccomment">   * They are in one test case so that we don't have to create</em>
-<a class="jxr_linenumber" name="276" href="#276">276</a> <em class="jxr_javadoccomment">   * many tables, and these tests are simple.</em>
-<a class="jxr_linenumber" name="277" href="#277">277</a> <em class="jxr_javadoccomment">   */</em>
-<a class="jxr_linenumber" name="278" href="#278">278</a>   @Test
-<a class="jxr_linenumber" name="279" href="#279">279</a>   <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> testMerge() <strong class="jxr_keyword">throws</strong> Exception {
-<a class="jxr_linenumber" name="280" href="#280">280</a>     LOG.info(<span class="jxr_string">"Starting testMerge"</span>);
-<a class="jxr_linenumber" name="281" href="#281">281</a>     <strong class="jxr_keyword">final</strong> TableName tableName = TableName.valueOf(<span class="jxr_string">"testMerge"</span>);
-<a class="jxr_linenumber" name="282" href="#282">282</a> 
-<a class="jxr_linenumber" name="283" href="#283">283</a>     <strong class="jxr_keyword">try</strong> {
-<a class="jxr_linenumber" name="284" href="#284">284</a>       <em class="jxr_comment">// Create table and load data.</em>
-<a class="jxr_linenumber" name="285" href="#285">285</a>       Table table = createTableAndLoadData(master, tableName);
-<a class="jxr_linenumber" name="286" href="#286">286</a>       RegionStates regionStates = master.getAssignmentManager().getRegionStates();
-<a class="jxr_linenumber" name="287" href="#287">287</a>       List&lt;HRegionInfo&gt; regions = regionStates.getRegionsOfTable(tableName);
-<a class="jxr_linenumber" name="288" href="#288">288</a>       <em class="jxr_comment">// Fake offline one region</em>
-<a class="jxr_linenumber" name="289" href="#289">289</a>       HRegionInfo a = regions.get(0);
-<a class="jxr_linenumber" name="290" href="#290">290</a>       HRegionInfo b = regions.get(1);
-<a class="jxr_linenumber" name="291" href="#291">291</a>       regionStates.regionOffline(a);
-<a class="jxr_linenumber" name="292" href="#292">292</a>       <strong class="jxr_keyword">try</strong> {
-<a class="jxr_linenumber" name="293" href="#293">293</a>         <em class="jxr_comment">// Merge offline region. Region a is offline here</em>
-<a class="jxr_linenumber" name="294" href="#294">294</a>         admin.mergeRegions(a.getEncodedNameAsBytes(), b.getEncodedNameAsBytes(), false);
-<a class="jxr_linenumber" name="295" href="#295">295</a>         fail(<span class="jxr_string">"Offline regions should not be able to merge"</span>);
-<a class="jxr_linenumber" name="296" href="#296">296</a>       } <strong class="jxr_keyword">catch</strong> (IOException ie) {
-<a class="jxr_linenumber" name="297" href="#297">297</a>         System.out.println(ie);
-<a class="jxr_linenumber" name="298" href="#298">298</a>         assertTrue(<span class="jxr_string">"Exception should mention regions not online"</span>,
-<a class="jxr_linenumber" name="299" href="#299">299</a>           StringUtils.stringifyException(ie).contains(<span class="jxr_string">"regions not online"</span>)
-<a class="jxr_linenumber" name="300" href="#300">300</a>             &amp;&amp; ie instanceof MergeRegionException);
-<a class="jxr_linenumber" name="301" href="#301">301</a>       }
-<a class="jxr_linenumber" name="302" href="#302">302</a>       <strong class="jxr_keyword">try</strong> {
-<a class="jxr_linenumber" name="303" href="#303">303</a>         <em class="jxr_comment">// Merge the same region: b and b.</em>
-<a class="jxr_linenumber" name="304" href="#304">304</a>         admin.mergeRegions(b.getEncodedNameAsBytes(), b.getEncodedNameAsBytes(), <strong class="jxr_keyword">true</strong>);
-<a class="jxr_linenumber" name="305" href="#305">305</a>         fail(<span class="jxr_string">"A region should not be able to merge with itself, even forcifully"</span>);
-<a class="jxr_linenumber" name="306" href="#306">306</a>       } <strong class="jxr_keyword">catch</strong> (IOException ie) {
-<a class="jxr_linenumber" name="307" href="#307">307</a>         assertTrue(<span class="jxr_string">"Exception should mention regions not online"</span>,
-<a class="jxr_linenumber" name="308" href="#308">308</a>           StringUtils.stringifyException(ie).contains(<span class="jxr_string">"region to itself"</span>)
-<a class="jxr_linenumber" name="309" href="#309">309</a>             &amp;&amp; ie instanceof MergeRegionException);
-<a class="jxr_linenumber" name="310" href="#310">310</a>       }
-<a class="jxr_linenumber" name="311" href="#311">311</a>       <strong class="jxr_keyword">try</strong> {
-<a class="jxr_linenumber" name="312" href="#312">312</a>         <em class="jxr_comment">// Merge unknown regions</em>
-<a class="jxr_linenumber" name="313" href="#313">313</a>         admin.mergeRegions(Bytes.toBytes(<span class="jxr_string">"-f1"</span>), Bytes.toBytes(<span class="jxr_string">"-f2"</span>), <strong class="jxr_keyword">true</strong>);
-<a class="jxr_linenumber" name="314" href="#314">314</a>         fail(<span class="jxr_string">"Unknown region could not be merged"</span>);
-<a class="jxr_linenumber" name="315" href="#315">315</a>       } <strong class="jxr_keyword">catch</strong> (IOException ie) {
-<a class="jxr_linenumber" name="316" href="#316">316</a>         assertTrue(<span class="jxr_string">"UnknownRegionException should be thrown"</span>,
-<a class="jxr_linenumber" name="317" href="#317">317</a>           ie instanceof UnknownRegionException);
-<a class="jxr_linenumber" name="318" href="#318">318</a>       }
-<a class="jxr_linenumber" name="319" href="#319">319</a>       table.close();
-<a class="jxr_linenumber" name="320" href="#320">320</a>     } <strong class="jxr_keyword">finally</strong> {
-<a class="jxr_linenumber" name="321" href="#321">321</a>       TEST_UTIL.deleteTable(tableName);
-<a class="jxr_linenumber" name="322" href="#322">322</a>     }
-<a class="jxr_linenumber" name="323" href="#323">323</a>   }
-<a class="jxr_linenumber" name="324" href="#324">324</a> 
-<a class="jxr_linenumber" name="325" href="#325">325</a>   @Test
-<a class="jxr_linenumber" name="326" href="#326">326</a>   <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> testMergeWithReplicas() <strong class="jxr_keyword">throws</strong> Exception {
-<a class="jxr_linenumber" name="327" href="#327">327</a>     <strong class="jxr_keyword">final</strong> TableName tableName = TableName.valueOf(<span class="jxr_string">"testMergeWithReplicas"</span>);
-<a class="jxr_linenumber" name="328" href="#328">328</a>     <em class="jxr_comment">// Create table and load data.</em>
-<a class="jxr_linenumber" name="329" href="#329">329</a>     createTableAndLoadData(master, tableName, 5, 2);
-<a class="jxr_linenumber" name="330" href="#330">330</a>     List&lt;Pair&lt;HRegionInfo, ServerName&gt;&gt; initialRegionToServers =
-<a class="jxr_linenumber" name="331" href="#331">331</a>         MetaTableAccessor.getTableRegionsAndLocations(
-<a class="jxr_linenumber" name="332" href="#332">332</a>             master.getConnection(), tableName);
-<a class="jxr_linenumber" name="333" href="#333">333</a>     <em class="jxr_comment">// Merge 1st and 2nd region</em>
-<a class="jxr_linenumber" name="334" href="#334">334</a>     PairOfSameType&lt;HRegionInfo&gt; mergedRegions = mergeRegionsAndVerifyRegionNum(master, tableName,
-<a class="jxr_linenumber" name="335" href="#335">335</a>         0, 2, 5 * 2 - 2);
-<a class="jxr_linenumber" name="336" href="#336">336</a>     List&lt;Pair&lt;HRegionInfo, ServerName&gt;&gt; currentRegionToServers =
-<a class="jxr_linenumber" name="337" href="#337">337</a>         MetaTableAccessor.getTableRegionsAndLocations(
-<a class="jxr_linenumber" name="338" href="#338">338</a>             master.getConnection(), tableName);
-<a class="jxr_linenumber" name="339" href="#339">339</a>     List&lt;HRegionInfo&gt; initialRegions = <strong class="jxr_keyword">new</strong> ArrayList&lt;HRegionInfo&gt;();
-<a class="jxr_linenumber" name="340" href="#340">340</a>     <strong class="jxr_keyword">for</strong> (Pair&lt;HRegionInfo, ServerName&gt; p : initialRegionToServers) {
-<a class="jxr_linenumber" name="341" href="#341">341</a>       initialRegions.add(p.getFirst());
-<a class="jxr_linenumber" name="342" href="#342">342</a>     }
-<a class="jxr_linenumber" name="343" href="#343">343</a>     List&lt;HRegionInfo&gt; currentRegions = <strong class="jxr_keyword">new</strong> ArrayList&lt;HRegionInfo&gt;();
-<a class="jxr_linenumber" name="344" href="#344">344</a>     <strong class="jxr_keyword">for</strong> (Pair&lt;HRegionInfo, ServerName&gt; p : currentRegionToServers) {
-<a class="jxr_linenumber" name="345" href="#345">345</a>       currentRegions.add(p.getFirst());
-<a class="jxr_linenumber" name="346" href="#346">346</a>     }
-<a class="jxr_linenumber" name="347" href="#347">347</a>     assertTrue(initialRegions.contains(mergedRegions.getFirst())); <em class="jxr_comment">//this is the first region</em>
-<a class="jxr_linenumber" name="348" href="#348">348</a>     assertTrue(initialRegions.contains(RegionReplicaUtil.getRegionInfoForReplica(
-<a class="jxr_linenumber" name="349" href="#349">349</a>         mergedRegions.getFirst(), 1))); <em class="jxr_comment">//this is the replica of the first region</em>
-<a class="jxr_linenumber" name="350" href="#350">350</a>     assertTrue(initialRegions.contains(mergedRegions.getSecond())); <em class="jxr_comment">//this is the second region</em>
-<a class="jxr_linenumber" name="351" href="#351">351</a>     assertTrue(initialRegions.contains(RegionReplicaUtil.getRegionInfoForReplica(
-<a class="jxr_linenumber" name="352" href="#352">352</a>         mergedRegions.getSecond(), 1))); <em class="jxr_comment">//this is the replica of the second region</em>
-<a class="jxr_linenumber" name="353" href="#353">353</a>     assertTrue(!initialRegions.contains(currentRegions.get(0))); <em class="jxr_comment">//this is the new region</em>
-<a class="jxr_linenumber" name="354" href="#354">354</a>     assertTrue(!initialRegions.contains(RegionReplicaUtil.getRegionInfoForReplica(
-<a class="jxr_linenumber" name="355" href="#355">355</a>         currentRegions.get(0), 1))); <em class="jxr_comment">//replica of the new region</em>
-<a class="jxr_linenumber" name="356" href="#356">356</a>     assertTrue(currentRegions.contains(RegionReplicaUtil.getRegionInfoForReplica(
-<a class="jxr_linenumber" name="357" href="#357">357</a>         currentRegions.get(0), 1))); <em class="jxr_comment">//replica of the new region</em>
-<a class="jxr_linenumber" name="358" href="#358">358</a>     assertTrue(!currentRegions.contains(RegionReplicaUtil.getRegionInfoForReplica(
-<a class="jxr_linenumber" name="359" href="#359">359</a>         mergedRegions.getFirst(), 1))); <em class="jxr_comment">//replica of the merged region</em>
-<a class="jxr_linenumber" name="360" href="#360">360</a>     assertTrue(!currentRegions.contains(RegionReplicaUtil.getRegionInfoForReplica(
-<a class="jxr_linenumber" name="361" href="#361">361</a>         mergedRegions.getSecond(), 1))); <em class="jxr_comment">//replica of the merged region</em>
-<a class="jxr_linenumber" name="362" href="#362">362</a>   }
-<a class="jxr_linenumber" name="363" href="#363">363</a> 
-<a class="jxr_linenumber" name="364" href="#364">364</a>   <strong class="jxr_keyword">private</strong> PairOfSameType&lt;HRegionInfo&gt; mergeRegionsAndVerifyRegionNum(
-<a class="jxr_linenumber" name="365" href="#365">365</a>       HMaster master, TableName tablename,
-<a class="jxr_linenumber" name="366" href="#366">366</a>       <strong class="jxr_keyword">int</strong> regionAnum, <strong class="jxr_keyword">int</strong> regionBnum, <strong class="jxr_keyword">int</strong> expectedRegionNum) <strong class="jxr_keyword">throws</strong> Exception {
-<a class="jxr_linenumber" name="367" href="#367">367</a>     PairOfSameType&lt;HRegionInfo&gt; mergedRegions =
-<a class="jxr_linenumber" name="368" href="#368">368</a>       requestMergeRegion(master, tablename, regionAnum, regionBnum);
-<a class="jxr_linenumber" name="369" href="#369">369</a>     waitAndVerifyRegionNum(master, tablename, expectedRegionNum);
-<a class="jxr_linenumber" name="370" href="#370">370</a>     <strong class="jxr_keyword">return</strong> mergedRegions;
-<a class="jxr_linenumber" name="371" href="#371">371</a>   }
-<a class="jxr_linenumber" name="372" href="#372">372</a> 
-<a class="jxr_linenumber" name="373" href="#373">373</a>   <strong class="jxr_keyword">private</strong> PairOfSameType&lt;HRegionInfo&gt; requestMergeRegion(
-<a class="jxr_linenumber" name="374" href="#374">374</a>       HMaster master, TableName tablename,
-<a class="jxr_linenumber" name="375" href="#375">375</a>       <strong class="jxr_keyword">int</strong> regionAnum, <strong class="jxr_keyword">int</strong> regionBnum) <strong class="jxr_keyword">throws</strong> Exception {
-<a class="jxr_linenumber" name="376" href="#376">376</a>     List&lt;Pair&lt;HRegionInfo, ServerName&gt;&gt; tableRegions = MetaTableAccessor
-<a class="jxr_linenumber" name="377" href="#377">377</a>         .getTableRegionsAndLocations(
-<a class="jxr_linenumber" name="378" href="#378">378</a>           master.getConnection(), tablename);
-<a class="jxr_linenumber" name="379" href="#379">379</a>     HRegionInfo regionA = tableRegions.get(regionAnum).getFirst();
-<a class="jxr_linenumber" name="380" href="#380">380</a>     HRegionInfo regionB = tableRegions.get(regionBnum).getFirst();
-<a class="jxr_linenumber" name="381" href="#381">381</a>     TEST_UTIL.getHBaseAdmin().mergeRegions(
-<a class="jxr_linenumber" name="382" href="#382">382</a>       regionA.getEncodedNameAsBytes(),
-<a class="jxr_linenumber" name="383" href="#383">383</a>       regionB.getEncodedNameAsBytes(), false);
-<a class="jxr_linenumber" name="384" href="#384">384</a>     <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">new</strong> PairOfSameType&lt;HRegionInfo&gt;(regionA, regionB);
-<a class="jxr_linenumber" name="385" href="#385">385</a>   }
-<a class="jxr_linenumber" name="386" href="#386">386</a> 
-<a class="jxr_linenumber" name="387" href="#387">387</a>   <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">void</strong> waitAndVerifyRegionNum(HMaster master, TableName tablename,
-<a class="jxr_linenumber" name="388" href="#388">388</a>       <strong class="jxr_keyword">int</strong> expectedRegionNum) <strong class="jxr_keyword">throws</strong> Exception {
-<a class="jxr_linenumber" name="389" href="#389">389</a>     List&lt;Pair&lt;HRegionInfo, ServerName&gt;&gt; tableRegionsInMeta;
-<a class="jxr_linenumber" name="390" href="#390">390</a>     List&lt;HRegionInfo&gt; tableRegionsInMaster;
-<a class="jxr_linenumber" name="391" href="#391">391</a>     <strong class="jxr_keyword">long</strong> timeout = System.currentTimeMillis() + waitTime;
-<a class="jxr_linenumber" name="392" href="#392">392</a>     <strong class="jxr_keyword">while</strong> (System.currentTimeMillis() &lt; timeout) {
-<a class="jxr_linenumber" name="393" href="#393">393</a>       tableRegionsInMeta = MetaTableAccessor.getTableRegionsAndLocations(
-<a class="jxr_linenumber" name="394" href="#394">394</a>         master.getConnection(), tablename);
-<a class="jxr_linenumber" name="395" href="#395">395</a>       tableRegionsInMaster = master.getAssignmentManager().getRegionStates()
-<a class="jxr_linenumber" name="396" href="#396">396</a>           .getRegionsOfTable(tablename);
-<a class="jxr_linenumber" name="397" href="#397">397</a>       <strong class="jxr_keyword">if</strong> (tableRegionsInMeta.size() == expectedRegionNum
-<a class="jxr_linenumber" name="398" href="#398">398</a>           &amp;&amp; tableRegionsInMaster.size() == expectedRegionNum) {
-<a class="jxr_linenumber" name="399" href="#399">399</a>         <strong class="jxr_keyword">break</strong>;
-<a class="jxr_linenumber" name="400" href="#400">400</a>       }
-<a class="jxr_linenumber" name="401" href="#401">401</a>       Thread.sleep(250);
-<a class="jxr_linenumber" name="402" href="#402">402</a>     }
-<a class="jxr_linenumber" name="403" href="#403">403</a> 
-<a class="jxr_linenumber" name="404" href="#404">404</a>     tableRegionsInMeta = MetaTableAccessor.getTableRegionsAndLocations(
-<a class="jxr_linenumber" name="405" href="#405">405</a>       master.getConnection(), tablename);
-<a class="jxr_linenumber" name="406" href="#406">406</a>     LOG.info(<span class="jxr_string">"Regions after merge:"</span> + Joiner.on(',').join(tableRegionsInMeta));
-<a class="jxr_linenumber" name="407" href="#407">407</a>     assertEquals(expectedRegionNum, tableRegionsInMeta.size());
-<a class="jxr_linenumber" name="408" href="#408">408</a>   }
-<a class="jxr_linenumber" name="409" href="#409">409</a> 
-<a class="jxr_linenumber" name="410" href="#410">410</a>   <strong class="jxr_keyword">private</strong> Table createTableAndLoadData(HMaster master, TableName tablename)
-<a class="jxr_linenumber" name="411" href="#411">411</a>       <strong class="jxr_keyword">throws</strong> Exception {
-<a class="jxr_linenumber" name="412" href="#412">412</a>     <strong class="jxr_keyword">return</strong> createTableAndLoadData(master, tablename, INITIAL_REGION_NUM, 1);
-<a class="jxr_linenumber" name="413" href="#413">413</a>   }
-<a class="jxr_linenumber" name="414" href="#414">414</a> 
-<a class="jxr_linenumber" name="415" href="#415">415</a>   <strong class="jxr_keyword">private</strong> Table createTableAndLoadData(HMaster master, TableName tablename,
-<a class="jxr_linenumber" name="416" href="#416">416</a>       <strong class="jxr_keyword">int</strong> numRegions, <strong class="jxr_keyword">int</strong> replication) <strong class="jxr_keyword">throws</strong> Exception {
-<a class="jxr_linenumber" name="417" href="#417">417</a>     assertTrue(<span class="jxr_string">"ROWSIZE must &gt; numregions:"</span> + numRegions, ROWSIZE &gt; numRegions);
-<a class="jxr_linenumber" name="418" href="#418">418</a>     byte[][] splitRows = <strong class="jxr_keyword">new</strong> byte[numRegions - 1][];
-<a class="jxr_linenumber" name="419" href="#419">419</a>     <strong class="jxr_keyword">for</strong> (<strong class="jxr_keyword">int</strong> i = 0; i &lt; splitRows.length; i++) {
-<a class="jxr_linenumber" name="420" href="#420">420</a>       splitRows[i] = ROWS[(i + 1) * ROWSIZE / numRegions];
-<a class="jxr_linenumber" name="421" href="#421">421</a>     }
-<a class="jxr_linenumber" name="422" href="#422">422</a> 
-<a class="jxr_linenumber" name="423" href="#423">423</a>     Table table = TEST_UTIL.createTable(tablename, FAMILYNAME, splitRows);
-<a class="jxr_linenumber" name="424" href="#424">424</a>     <strong class="jxr_keyword">if</strong> (replication &gt; 1) {
-<a class="jxr_linenumber" name="425" href="#425">425</a>       HBaseTestingUtility.setReplicas(admin, tablename, replication);
-<a class="jxr_linenumber" name="426" href="#426">426</a>     }
-<a class="jxr_linenumber" name="427" href="#427">427</a>     loadData(table);
-<a class="jxr_linenumber" name="428" href="#428">428</a>     verifyRowCount(table, ROWSIZE);
-<a class="jxr_linenumber" name="429" href="#429">429</a> 
-<a class="jxr_linenumber" name="430" href="#430">430</a>     <em class="jxr_comment">// sleep here is an ugly hack to allow region transitions to finish</em>
-<a class="jxr_linenumber" name="431" href="#431">431</a>     <strong class="jxr_keyword">long</strong> timeout = System.currentTimeMillis() + waitTime;
-<a class="jxr_linenumber" name="432" href="#432">432</a>     List&lt;Pair&lt;HRegionInfo, ServerName&gt;&gt; tableRegions;
-<a class="jxr_linenumber" name="433" href="#433">433</a>     <strong class="jxr_keyword">while</strong> (System.currentTimeMillis() &lt; timeout) {
-<a class="jxr_linenumber" name="434" href="#434">434</a>       tableRegions = MetaTableAccessor.getTableRegionsAndLocations(
-<a class="jxr_linenumber" name="435" href="#435">435</a>         master.getConnection(), tablename);
-<a class="jxr_linenumber" name="436" href="#436">436</a>       <strong class="jxr_keyword">if</strong> (tableRegions.size() == numRegions * replication)
-<a class="jxr_linenumber" name="437" href="#437">437</a>         <strong class="jxr_keyword">break</strong>;
-<a class="jxr_linenumber" name="438" href="#438">438</a>       Thread.sleep(250);
-<a class="jxr_linenumber" name="439" href="#439">439</a>     }
-<a class="jxr_linenumber" name="440" href="#440">440</a> 
-<a class="jxr_linenumber" name="441" href="#441">441</a>     tableRegions = MetaTableAccessor.getTableRegionsAndLocations(
-<a class="jxr_linenumber" name="442" href="#442">442</a>       master.getConnection(), tablename);
-<a class="jxr_linenumber" name="443" href="#443">443</a>     LOG.info(<span class="jxr_string">"Regions after load: "</span> + Joiner.on(',').join(tableRegions));
-<a class="jxr_linenumber" name="444" href="#444">444</a>     assertEquals(numRegions * replication, tableRegions.size());
-<a class="jxr_linenumber" name="445" href="#445">445</a>     <strong class="jxr_keyword">return</strong> table;
-<a class="jxr_linenumber" name="446" href="#446">446</a>   }
-<a class="jxr_linenumber" name="447" href="#447">447</a> 
-<a class="jxr_linenumber" name="448" href="#448">448</a>   <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> byte[][] makeN(byte[] base, <strong class="jxr_keyword">int</strong> n) {
-<a class="jxr_linenumber" name="449" href="#449">449</a>     byte[][] ret = <strong class="jxr_keyword">new</strong> byte[n][];
-<a class="jxr_linenumber" name="450" href="#450">450</a>     <strong class="jxr_keyword">for</strong> (<strong class="jxr_keyword">int</strong> i = 0; i &lt; n; i++) {
-<a class="jxr_linenumber" name="451" href="#451">451</a>       ret[i] = Bytes.add(base, Bytes.toBytes(String.format(<span class="jxr_string">"%04d"</span>, i)));
-<a class="jxr_linenumber" name="452" href="#452">452</a>     }
-<a class="jxr_linenumber" name="453" href="#453">453</a>     <strong class="jxr_keyword">return</strong> ret;
-<a class="jxr_linenumber" name="454" href="#454">454</a>   }
-<a class="jxr_linenumber" name="455" href="#455">455</a> 
-<a class="jxr_linenumber" name="456" href="#456">456</a>   <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">void</strong> loadData(Table table) <strong class="jxr_keyword">throws</strong> IOException {
-<a class="jxr_linenumber" name="457" href="#457">457</a>     <strong class="jxr_keyword">for</strong> (<strong class="jxr_keyword">int</strong> i = 0; i &lt; ROWSIZE; i++) {
-<a class="jxr_linenumber" name="458" href="#458">458</a>       Put put = <strong class="jxr_keyword">new</strong> Put(ROWS[i]);
-<a class="jxr_linenumber" name="459" href="#459">459</a>       put.addColumn(FAMILYNAME, QUALIFIER, Bytes.toBytes(i));
-<a class="jxr_linenumber" name="460" href="#460">460</a>       table.put(put);
-<a class="jxr_linenumber" name="461" href="#461">461</a>     }
-<a class="jxr_linenumber" name="462" href="#462">462</a>   }
-<a class="jxr_linenumber" name="463" href="#463">463</a> 
-<a class="jxr_linenumber" name="464" href="#464">464</a>   <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">void</strong> verifyRowCount(Table table, <strong class="jxr_keyword">int</strong> expectedRegionNum)
-<a class="jxr_linenumber" name="465" href="#465">465</a>       <strong class="jxr_keyword">throws</strong> IOException {
-<a class="jxr_linenumber" name="466" href="#466">466</a>     ResultScanner scanner = table.getScanner(<strong class="jxr_keyword">new</strong> Scan());
-<a class="jxr_linenumber" name="467" href="#467">467</a>     <strong class="jxr_keyword">int</strong> rowCount = 0;
-<a class="jxr_linenumber" name="468" href="#468">468</a>     <strong class="jxr_keyword">while</strong> (scanner.next() != <strong class="jxr_keyword">null</strong>) {
-<a class="jxr_linenumber" name="469" href="#469">469</a>       rowCount++;
-<a class="jxr_linenumber" name="470" href="#470">470</a>     }
-<a class="jxr_linenumber" name="471" href="#471">471</a>     assertEquals(expectedRegionNum, rowCount);
-<a class="jxr_linenumber" name="472" href="#472">472</a>     scanner.close();
-<a class="jxr_linenumber" name="473" href="#473">473</a>   }
-<a class="jxr_linenumber" name="474" href="#474">474</a> 
-<a class="jxr_linenumber" name="475" href="#475">475</a>   <em class="jxr_comment">// Make it public so that JVMClusterUtil can access it.</em>
-<a class="jxr_linenumber" name="476" href="#476">476</a>   <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">class</strong> <a href="../../../../../org/apache/hadoop/hbase/master/TestMasterMetrics.html">MyMaster</a> <strong class="jxr_keyword">extends</strong> HMaster {
-<a class="jxr_linenumber" name="477" href="#477">477</a>     <strong class="jxr_keyword">public</strong> <a href="../../../../../org/apache/hadoop/hbase/master/TestMasterMetrics.html">MyMaster</a>(Configuration conf, CoordinatedStateManager cp)
-<a class="jxr_linenumber" name="478" href="#478">478</a>       <strong class="jxr_keyword">throws</strong> IOException, KeeperException,
-<a class="jxr_linenumber" name="479" href="#479">479</a>         InterruptedException {
-<a class="jxr_linenumber" name="480" href="#480">480</a>       <strong class="jxr_keyword">super</strong>(conf, cp);
-<a class="jxr_linenumber" name="481" href="#481">481</a>     }
-<a class="jxr_linenumber" name="482" href="#482">482</a> 
-<a class="jxr_linenumber" name="483" href="#483">483</a>     @Override
-<a class="jxr_linenumber" name="484" href="#484">484</a>     <strong class="jxr_keyword">protected</strong> RSRpcServices createRpcServices() <strong class="jxr_keyword">throws</strong> IOException {
-<a class="jxr_linenumber" name="485" href="#485">485</a>       <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">new</strong> <a href="../../../../../org/apache/hadoop/hbase/regionserver/TestSplitTransactionOnCluster.html">MyMasterRpcServices</a>(<strong class="jxr_keyword">this</strong>);
-<a class="jxr_linenumber" name="486" href="#486">486</a>     }
-<a class="jxr_linenumber" name="487" href="#487">487</a>   }
-<a class="jxr_linenumber" name="488" href="#488">488</a> 
-<a class="jxr_linenumber" name="489" href="#489">489</a>   <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">class</strong> <a href="../../../../../org/apache/hadoop/hbase/regionserver/TestSplitTransactionOnCluster.html">MyMasterRpcServices</a> <strong class="jxr_keyword">extends</strong> MasterRpcServices {
-<a class="jxr_linenumber" name="490" href="#490">490</a>     <strong class="jxr_keyword">static</strong> AtomicBoolean enabled = <strong class="jxr_keyword">new</strong> AtomicBoolean(false);
-<a class="jxr_linenumber" name="491" href="#491">491</a> 
-<a class="jxr_linenumber" name="492" href="#492">492</a>     <strong class="jxr_keyword">private</strong> HMaster myMaster;
-<a class="jxr_linenumber" name="493" href="#493">493</a>     <strong class="jxr_keyword">public</strong> <a href="../../../../../org/apache/hadoop/hbase/regionserver/TestSplitTransactionOnCluster.html">MyMasterRpcServices</a>(HMaster master) <strong class="jxr_keyword">throws</strong> IOException {
-<a class="jxr_linenumber" name="494" href="#494">494</a>       <strong class="jxr_keyword">super</strong>(master);
-<a class="jxr_linenumber" name="495" href="#495">495</a>       myMaster = master;
-<a class="jxr_linenumber" name="496" href="#496">496</a>     }
-<a class="jxr_linenumber" name="497" href="#497">497</a> 
-<a class="jxr_linenumber" name="498" href="#498">498</a>     @Override
-<a class="jxr_linenumber" name="499" href="#499">499</a>     <strong class="jxr_keyword">public</strong> ReportRegionStateTransitionResponse reportRegionStateTransition(RpcController c,
-<a class="jxr_linenumber" name="500" href="#500">500</a>         ReportRegionStateTransitionRequest req) <strong class="jxr_keyword">throws</strong> ServiceException {
-<a class="jxr_linenumber" name="501" href="#501">501</a>       ReportRegionStateTransitionResponse resp = <strong class="jxr_keyword">super</strong>.reportRegionStateTransition(c, req);
-<a class="jxr_linenumber" name="502" href="#502">502</a>       <strong class="jxr_keyword">if</strong> (enabled.get() &amp;&amp; req.getTransition(0).getTransitionCode()
-<a class="jxr_linenumber" name="503" href="#503">503</a>           == TransitionCode.READY_TO_MERGE &amp;&amp; !resp.hasErrorMessage()) {
-<a class="jxr_linenumber" name="504" href="#504">504</a>         RegionStates regionStates = myMaster.getAssignmentManager().getRegionStates();
-<a class="jxr_linenumber" name="505" href="#505">505</a>         <strong class="jxr_keyword">for</strong> (RegionState regionState: regionStates.getRegionsInTransition().values()) {
-<a class="jxr_linenumber" name="506" href="#506">506</a>           <em class="jxr_comment">// Find the merging_new region and remove it</em>
-<a class="jxr_linenumber" name="507" href="#507">507</a>           <strong class="jxr_keyword">if</strong> (regionState.isMergingNew()) {
-<a class="jxr_linenumber" name="508" href="#508">508</a>             regionStates.deleteRegion(regionState.getRegion());
-<a class="jxr_linenumber" name="509" href="#509">509</a>           }
-<a class="jxr_linenumber" name="510" href="#510">510</a>         }
-<a class="jxr_linenumber" name="511" href="#511">511</a>       }
-<a class="jxr_linenumber" name="512" href="#512">512</a>       <strong class="jxr_keyword">return</strong> resp;
-<a class="jxr_linenumber" name="513" href="#513">513</a>     }
-<a class="jxr_linenumber" name="514" href="#514">514</a>   }
-<a class="jxr_linenumber" name="515" href="#515">515</a> }
+<a class="jxr_linenumber" name="227" href="#227">227</a>       PairOfSameType&lt;HRegionInfo&gt; p = MetaTableAccessor.getMergeRegions(mergedRegionResult);
+<a class="jxr_linenumber" name="228" href="#228">228</a>       HRegionInfo regionA = p.getFirst();
+<a class="jxr_linenumber" name="229" href="#229">229</a>       HRegionInfo regionB = p.getSecond();
+<a class="jxr_linenumber" name="230" href="#230">230</a>       FileSystem fs = master.getMasterFileSystem().getFileSystem();
+<a class="jxr_linenumber" name="231" href="#231">231</a>       Path rootDir = master.getMasterFileSystem().getRootDir();
+<a class="jxr_linenumber" name="232" href="#232">232</a> 
+<a class="jxr_linenumber" name="233" href="#233">233</a>       Path tabledir = FSUtils.getTableDir(rootDir, mergedRegionInfo.getTable());
+<a class="jxr_linenumber" name="234" href="#234">234</a>       Path regionAdir = <strong class="jxr_keyword">new</strong> Path(tabledir, regionA.getEncodedName());
+<a class="jxr_linenumber" name="235" href="#235">235</a>       Path regionBdir = <strong class="jxr_keyword">new</strong> Path(tabledir, regionB.getEncodedName());
+<a class="jxr_linenumber" name="236" href="#236">236</a>       assertTrue(fs.exists(regionAdir));
+<a class="jxr_linenumber" name="237" href="#237">237</a>       assertTrue(fs.exists(regionBdir));
+<a class="jxr_linenumber" name="238" href="#238">238</a> 
+<a class="jxr_linenumber" name="239" href="#239">239</a>       admin.compactRegion(mergedRegionInfo.getRegionName());
+<a class="jxr_linenumber" name="240" href="#240">240</a>       <em class="jxr_comment">// wait until merged region doesn't have reference file</em>
+<a class="jxr_linenumber" name="241" href="#241">241</a>       <strong class="jxr_keyword">long</strong> timeout = System.currentTimeMillis() + waitTime;
+<a class="jxr_linenumber" name="242" href="#242">242</a>       HRegionFileSystem hrfs = <strong class="jxr_keyword">new</strong> HRegionFileSystem(
+<a class="jxr_linenumber" name="243" href="#243">243</a>           TEST_UTIL.getConfiguration(), fs, tabledir, mergedRegionInfo);
+<a class="jxr_linenumber" name="244" href="#244">244</a>       <strong class="jxr_keyword">while</strong> (System.currentTimeMillis() &lt; timeout) {
+<a class="jxr_linenumber" name="245" href="#245">245</a>         <strong class="jxr_keyword">if</strong> (!hrfs.hasReferences(tableDescritor)) {
+<a class="jxr_linenumber" name="246" href="#246">246</a>           <strong class="jxr_keyword">break</strong>;
+<a class="jxr_linenumber" name="247" href="#247">247</a>         }
+<a class="jxr_linenumber" name="248" href="#248">248</a>         Thread.sleep(50);
+<a class="jxr_linenumber" name="249" href="#249">249</a>       }
+<a class="jxr_linenumber" name="250" href="#250">250</a>       assertFalse(hrfs.hasReferences(tableDescritor));
+<a class="jxr_linenumber" name="251" href="#251">251</a> 
+<a class="jxr_linenumber" name="252" href="#252">252</a>       <em class="jxr_comment">// run CatalogJanitor to clean merge references in hbase:meta and archive the</em>
+<a class="jxr_linenumber" name="253" href="#253">253</a>       <em class="jxr_comment">// files of merging regions</em>
+<a class="jxr_linenumber" name="254" href="#254">254</a>       <strong class="jxr_keyword">int</strong> cleaned = admin.runCatalogScan();
+<a class="jxr_linenumber" name="255" href="#255">255</a>       assertTrue(cleaned &gt; 0);
+<a class="jxr_linenumber" name="256" href="#256">256</a>       assertFalse(fs.exists(regionAdir));
+<a class="jxr_linenumber" name="257" href="#257">257</a>       assertFalse(fs.exists(regionBdir));
+<a class="jxr_linenumber" name="258" href="#258">258</a> 
+<a class="jxr_linenumber" name="259" href="#259">259</a>       mergedRegionResult = MetaTableAccessor.getRegionResult(
+<a class="jxr_linenumber" name="260" href="#260">260</a>         master.getConnection(), mergedRegionInfo.getRegionName());
+<a class="jxr_linenumber" name="261" href="#261">261</a>       assertFalse(mergedRegionResult.getValue(HConstants.CATALOG_FAMILY,
+<a class="jxr_linenumber" name="262" href="#262">262</a>           HConstants.MERGEA_QUALIFIER) != <strong class="jxr_keyword">null</strong>);
+<a class="jxr_linenumber" name="263" href="#263">263</a>       assertFalse(mergedRegionResult.getValue(HConstants.CATALOG_FAMILY,
+<a class="jxr_linenumber" name="264" href="#264">264</a>           HConstants.MERGEB_QUALIFIER) != <strong class="jxr_keyword">null</strong>);
+<a class="jxr_linenumber" name="265" href="#265">265</a> 
+<a class="jxr_linenumber" name="266" href="#266">266</a>     } <strong class="jxr_keyword">finally</strong> {
+<a class="jxr_linenumber" name="267" href="#267">267</a>       admin.enableCatalogJanitor(<strong class="jxr_keyword">true</strong>);
+<a class="jxr_linenumber" name="268" href="#268">268</a>     }
+<a class="jxr_linenumber" name="269" href="#269">269</a>   }
+<a class="jxr_linenumber" name="270" href="#270">270</a> 
+<a class="jxr_linenumber" name="271" href="#271">271</a>   <em class="jxr_javadoccomment">/**</em>
+<a class="jxr_linenumber" name="272" href="#272">272</a> <em class="jxr_javadoccomment">   * This test tests 1, merging region not online;</em>
+<a class="jxr_linenumber" name="273" href="#273">273</a> <em class="jxr_javadoccomment">   * 2, merging same two regions; 3, merging unknown regions.</em>
+<a class="jxr_linenumber" name="274" href="#274">274</a> <em class="jxr_javadoccomment">   * They are in one test case so that we don't have to create</em>
+<a class="jxr_linenumber" name="275" href="#275">275</a> <em class="jxr_javadoccomment">   * many tables, and these tests are simple.</em>
+<a class="jxr_linenumber" name="276" href="#276">276</a> <em class="jxr_javadoccomment">   */</em>
+<a class="jxr_linenumber" name="277" href="#277">277</a>   @Test
+<a class="jxr_linenumber" name="278" href="#278">278</a>   <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> testMerge() <strong class="jxr_keyword">throws</strong> Exception {
+<a class="jxr_linenumber" name="279" href="#279">279</a>     LOG.info(<span class="jxr_string">"Starting testMerge"</span>);
+<a class="jxr_linenumber" name="280" href="#280">280</a>     <strong class="jxr_keyword">final</strong> TableName tableName = TableName.valueOf(<span class="jxr_string">"testMerge"</span>);
+<a class="jxr_linenumber" name="281" href="#281">281</a> 
+<a class="jxr_linenumber" name="282" href="#282">282</a>     <strong class="jxr_keyword">try</strong> {
+<a class="jxr_linenumber" name="283" href="#283">283</a>       <em class="jxr_comment">// Create table and load data.</em>
+<a class="jxr_linenumber" name="284" href="#284">284</a>       Table table = createTableAndLoadData(master, tableName);
+<a class="jxr_linenumber" name="285" href="#285">285</a>       RegionStates regionStates = master.getAssignmentManager().getRegionStates();
+<a class="jxr_linenumber" name="286" href="#286">286</a>       List&lt;HRegionInfo&gt; regions = regionStates.getRegionsOfTable(tableName);
+<a class="jxr_linenumber" name="287" href="#287">287</a>       <em class="jxr_comment">// Fake offline one region</em>
+<a class="jxr_linenumber" name="288" href="#288">288</a>       HRegionInfo a = regions.get(0);
+<a class="jxr_linenumber" name="289" href="#289">289</a>       HRegionInfo b = regions.get(1);
+<a class="jxr_linenumber" name="290" href="#290">290</a>       regionStates.regionOffline(a);
+<a class="jxr_linenumber" name="291" href="#291">291</a>       <strong class="jxr_keyword">try</strong> {
+<a class="jxr_linenumber" name="292" href="#292">292</a>         <em class="jxr_comment">// Merge offline region. Region a is offline here</em>
+<a class="jxr_linenumber" name="293" href="#293">293</a>         admin.mergeRegions(a.getEncodedNameAsBytes(), b.getEncodedNameAsBytes(), false);
+<a class="jxr_linenumber" name="294" href="#294">294</a>         fail(<span class="jxr_string">"Offline regions should not be able to merge"</span>);
+<a class="jxr_linenumber" name="295" href="#295">295</a>       } <strong class="jxr_keyword">catch</strong> (IOException ie) {
+<a class="jxr_linenumber" name="296" href="#296">296</a>         System.out.println(ie);
+<a class="jxr_linenumber" name="297" href="#297">297</a>         assertTrue(<span class="jxr_string">"Exception should mention regions not online"</span>,
+<a class="jxr_linenumber" name="298" href="#298">298</a>           StringUtils.stringifyException(ie).contains(<span class="jxr_string">"regions not online"</span>)
+<a class="jxr_linenumber" name="299" href="#299">299</a>             &amp;&amp; ie instanceof MergeRegionException);
+<a class="jxr_linenumber" name="300" href="#300">300</a>       }
+<a class="jxr_linenumber" name="301" href="#301">301</a>       <strong class="jxr_keyword">try</strong> {
+<a class="jxr_linenumber" name="302" href="#302">302</a>         <em class="jxr_comment">// Merge the same region: b and b.</em>
+<a class="jxr_linenumber" name="303" href="#303">303</a>         admin.mergeRegions(b.getEncodedNameAsBytes(), b.getEncodedNameAsBytes(), <strong class="jxr_keyword">true</strong>);
+<a class="jxr_linenumber" name="304" href="#304">304</a>         fail(<span class="jxr_string">"A region should not be able to merge with itself, even forcifully"</span>);
+<a class="jxr_linenumber" name="305" href="#305">305</a>       } <strong class="jxr_keyword">catch</strong> (IOException ie) {
+<a class="jxr_linenumber" name="306" href="#306">306</a>         assertTrue(<span class="jxr_string">"Exception should mention regions not online"</span>,
+<a class="jxr_linenumber" name="307" href="#307">307</a>           StringUtils.stringifyException(ie).contains(<span class="jxr_string">"region to itself"</span>)
+<a class="jxr_linenumber" name="308" href="#308">308</a>             &amp;&amp; ie instanceof MergeRegionException);
+<a class="jxr_linenumber" name="309" href="#309">309</a>       }
+<a class="jxr_linenumber" name="310" href="#310">310</a>       <strong class="jxr_keyword">try</strong> {
+<a class="jxr_linenumber" name="311" href="#311">311</a>         <em class="jxr_comment">// Merge unknown regions</em>
+<a class="jxr_linenumber" name="312" href="#312">312</a>         admin.mergeRegions(Bytes.toBytes(<span class="jxr_string">"-f1"</span>), Bytes.toBytes(<span class="jxr_string">"-f2"</span>), <strong class="jxr_keyword">true</strong>);
+<a class="jxr_linenumber" name="313" href="#313">313</a>         fail(<span class="jxr_string">"Unknown region could not be merged"</span>);
+<a class="jxr_linenumber" name="314" href="#314">314</a>       } <strong class="jxr_keyword">catch</strong> (IOException ie) {
+<a class="jxr_linenumber" name="315" href="#315">315</a>         assertTrue(<span class="jxr_string">"UnknownRegionException should be thrown"</span>,
+<a class="jxr_linenumber" name="316" href="#316">316</a>           ie instanceof UnknownRegionException);
+<a class="jxr_linenumber" name="317" href="#317">317</a>       }
+<a class="jxr_linenumber" name="318" href="#318">318</a>       table.close();
+<a class="jxr_linenumber" name="319" href="#319">319</a>     } <strong class="jxr_keyword">finally</strong> {
+<a class="jxr_linenumber" name="320" href="#320">320</a>       TEST_UTIL.deleteTable(tableName);
+<a class="jxr_linenumber" name="321" href="#321">321</a>     }
+<a class="jxr_linenumber" name="322" href="#322">322</a>   }
+<a class="jxr_linenumber" name="323" href="#323">323</a> 
+<a class="jxr_linenumber" name="324" href="#324">324</a>   @Test
+<a class="jxr_linenumber" name="325" href="#325">325</a>   <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> testMergeWithReplicas() <strong class="jxr_keyword">throws</strong> Exception {
+<a class="jxr_linenumber" name="326" href="#326">326</a>     <strong class="jxr_keyword">final</strong> TableName tableName = TableName.valueOf(<span class="jxr_string">"testMergeWithReplicas"</span>);
+<a class="jxr_linenumber" name="327" href="#327">327</a>     <em class="jxr_comment">// Create table and load data.</em>
+<a class="jxr_linenumber" name="328" href="#328">328</a>     createTableAndLoadData(master, tableName, 5, 2);
+<a class="jxr_linenumber" name="329" href="#329">329</a>     List&lt;Pair&lt;HRegionInfo, ServerName&gt;&gt; initialRegionToServers =
+<a class="jxr_linenumber" name="330" href="#330">330</a>         MetaTableAccessor.getTableRegionsAndLocations(
+<a class="jxr_linenumber" name="331" href="#331">331</a>             master.getConnection(), tableName);
+<a class="jxr_linenumber" name="332" href="#332">332</a>     <em class="jxr_comment">// Merge 1st and 2nd region</em>
+<a class="jxr_linenumber" name="333" href="#333">333</a>     PairOfSameType&lt;HRegionInfo&gt; mergedRegions = mergeRegionsAndVerifyRegionNum(master, tableName,
+<a class="jxr_linenumber" name="334" href="#334">334</a>         0, 2, 5 * 2 - 2);
+<a class="jxr_linenumber" name="335" href="#335">335</a>     List&lt;Pair&lt;HRegionInfo, ServerName&gt;&gt; currentRegionToServers =
+<a class="jxr_linenumber" name="336" href="#336">336</a>         MetaTableAccessor.getTableRegionsAndLocations(
+<a class="jxr_linenumber" name="337" href="#337">337</a>             master.getConnection(), tableName);
+<a class="jxr_linenumber" name="338" href="#338">338</a>     List&lt;HRegionInfo&gt; initialRegions = <strong class="jxr_keyword">new</strong> ArrayList&lt;HRegionInfo&gt;();
+<a class="jxr_linenumber" name="339" href="#339">339</a>     <strong class="jxr_keyword">for</strong> (Pair&lt;HRegionInfo, ServerName&gt; p : initialRegionToServers) {
+<a class="jxr_linenumber" name="340" href="#340">340</a>       initialRegions.add(p.getFirst());
+<a class="jxr_linenumber" name="341" href="#341">341</a>     }
+<a class="jxr_linenumber" name="342" href="#342">342</a>     List&lt;HRegionInfo&gt; currentRegions = <strong class="jxr_keyword">new</strong> ArrayList&lt;HRegionInfo&gt;();
+<a class="jxr_linenumber" name="343" href="#343">343</a>     <strong class="jxr_keyword">for</strong> (Pair&lt;HRegionInfo, ServerName&gt; p : currentRegionToServers) {
+<a class="jxr_linenumber" name="344" href="#344">344</a>       currentRegions.add(p.getFirst());
+<a class="jxr_linenumber" name="345" href="#345">345</a>     }
+<a class="jxr_linenumber" name="346" href="#346">346</a>     assertTrue(initialRegions.contains(mergedRegions.getFirst())); <em class="jxr_comment">//this is the first region</em>
+<a class="jxr_linenumber" name="347" href="#347">347</a>     assertTrue(initialRegions.contains(RegionReplicaUtil.getRegionInfoForReplica(
+<a class="jxr_linenumber" name="348" href="#348">348</a>         mergedRegions.getFirst(), 1))); <em class="jxr_comment">//this is the replica of the first region</em>
+<a class="jxr_linenumber" name="349" href="#349">349</a>     assertTrue(initialRegions.contains(mergedRegions.getSecond())); <em class="jxr_comment">//this is the second region</em>
+<a class="jxr_linenumber" name="350" href="#350">350</a>     assertTrue(initialRegions.contains(RegionReplicaUtil.getRegionInfoForReplica(
+<a class="jxr_linenumber" name="351" href="#351">351</a>         mergedRegions.getSecond(), 1))); <em class="jxr_comment">//this is the replica of the second region</em>
+<a class="jxr_linenumber" name="352" href="#352">352</a>     assertTrue(!initialRegions.contains(currentRegions.get(0))); <em class="jxr_comment">//this is the new region</em>
+<a class="jxr_linenumber" name="353" href="#353">353</a>     assertTrue(!initialRegions.contains(RegionReplicaUtil.getRegionInfoForReplica(
+<a class="jxr_linenumber" name="354" href="#354">354</a>         currentRegions.get(0), 1))); <em class="jxr_comment">//replica of the new region</em>
+<a class="jxr_linenumber" name="355" href="#355">355</a>     assertTrue(currentRegions.contains(RegionReplicaUtil.getRegionInfoForReplica(
+<a class="jxr_linenumber" name="356" href="#356">356</a>         currentRegions.get(0), 1))); <em class="jxr_comment">//replica of the new region</em>
+<a class="jxr_linenumber" name="357" href="#357">357</a>     assertTrue(!currentRegions.contains(RegionReplicaUtil.getRegionInfoForReplica(
+<a class="jxr_linenumber" name="358" href="#358">358</a>         mergedRegions.getFirst(), 1))); <em class="jxr_comment">//replica of the merged region</em>
+<a class="jxr_linenumber" name="359" href="#359">359</a>     assertTrue(!currentRegions.contains(RegionReplicaUtil.getRegionInfoForReplica(
+<a class="jxr_linenumber" name="360" href="#360">360</a>         mergedRegions.getSecond(), 1))); <em class="jxr_comment">//replica of the merged region</em>
+<a class="jxr_linenumber" name="361" href="#361">361</a>   }
+<a class="jxr_linenumber" name="362" href="#362">362</a> 
+<a class="jxr_linenumber" name="363" href="#363">363</a>   <strong class="jxr_keyword">private</strong> PairOfSameType&lt;HRegionInfo&gt; mergeRegionsAndVerifyRegionNum(
+<a class="jxr_linenumber" name="364" href="#364">364</a>       HMaster master, TableName tablename,
+<a class="jxr_linenumber" name="365" href="#365">365</a>       <strong class="jxr_keyword">int</strong> regionAnum, <strong class="jxr_keyword">int</strong> regionBnum, <strong class="jxr_keyword">int</strong> expectedRegionNum) <strong class="jxr_keyword">throws</strong> Exception {
+<a class="jxr_linenumber" name="366" href="#366">366</a>     PairOfSameType&lt;HRegionInfo&gt; mergedRegions =
+<a class="jxr_linenumber" name="367" href="#367">367</a>       requestMergeRegion(master, tablename, regionAnum, regionBnum);
+<a class="jxr_linenumber" name="368" href="#368">368</a>     waitAndVerifyRegionNum(master, tablename, expectedRegionNum);
+<a class="jxr_linenumber" name="369" href="#369">369</a>     <strong class="jxr_keyword">return</strong> mergedRegions;
+<a class="jxr_linenumber" name="370" href="#370">370</a>   }
+<a class="jxr_linenumber" name="371" href="#371">371</a> 
+<a class="jxr_linenumber" name="372" href="#372">372</a>   <strong class="jxr_keyword">private</strong> PairOfSameType&lt;HRegionInfo&gt; requestMergeRegion(
+<a class="jxr_linenumber" name="373" href="#373">373</a>       HMaster master, TableName tablename,
+<a class="jxr_linenumber" name="374" href="#374">374</a>       <strong class="jxr_keyword">int</strong> regionAnum, <strong class="jxr_keyword">int</strong> regionBnum) <strong class="jxr_keyword">throws</strong> Exception {
+<a class="jxr_linenumber" name="375" href="#375">375</a>     List&lt;Pair&lt;HRegionInfo, ServerName&gt;&gt; tableRegions = MetaTableAccessor
+<a class="jxr_linenumber" name="376" href="#376">376</a>         .getTableRegionsAndLocations(
+<a class="jxr_linenumber" name="377" href="#377">377</a>           master.getConnection(), tablename);
+<a class="jxr_linenumber" name="378" href="#378">378</a>     HRegionInfo regionA = tableRegions.get(regionAnum).getFirst();
+<a class="jxr_linenumber" name="379" href="#379">379</a>     HRegionInfo regionB = tableRegions.get(regionBnum).getFirst();
+<a class="jxr_linenumber" name="380" href="#380">380</a>     TEST_UTIL.getHBaseAdmin().mergeRegions(
+<a class="jxr_linenumber" name="381" href="#381">381</a>       regionA.getEncodedNameAsBytes(),
+<a class="jxr_linenumber" name="382" href="#382">382</a>       regionB.getEncodedNameAsBytes(), false);
+<a class="jxr_linenumber" name="383" href="#383">383</a>     <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">new</strong> PairOfSameType&lt;HRegionInfo&gt;(regionA, regionB);
+<a class="jxr_linenumber" name="384" href="#384">384</a>   }
+<a class="jxr_linenumber" name="385" href="#385">385</a> 
+<a class="jxr_linenumber" name="386" href="#386">386</a>   <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">void</strong> waitAndVerifyRegionNum(HMaster master, TableName tablename,
+<a class="jxr_linenumber" name="387" href="#387">387</a>       <strong class="jxr_keyword">int</strong> expectedRegionNum) <strong class="jxr_keyword">throws</strong> Exception {
+<a class="jxr_linenumber" name="388" href="#388">388</a>     List&lt;Pair&lt;HRegionInfo, ServerName&gt;&gt; tableRegionsInMeta;
+<a class="jxr_linenumber" name="389" href="#389">389</a>     List&lt;HRegionInfo&gt; tableRegionsInMaster;
+<a class="jxr_linenumber" name="390" href="#390">390</a>     <strong class="jxr_keyword">long</strong> timeout = System.currentTimeMillis() + waitTime;
+<a class="jxr_linenumber" name="391" href="#391">391</a>     <strong class="jxr_keyword">while</strong> (System.currentTimeMillis() &lt; timeout) {
+<a class="jxr_linenumber" name="392" href="#392">392</a>       tableRegionsInMeta = MetaTableAccessor.getTableRegionsAndLocations(
+<a class="jxr_linenumber" name="393" href="#393">393</a>         master.getConnection(), tablename);
+<a class="jxr_linenumber" name="394" href="#394">394</a>       tableRegionsInMaster = master.getAssignmentManager().getRegionStates()
+<a class="jxr_linenumber" name="395" href="#395">395</a>           .getRegionsOfTable(tablename);
+<a class="jxr_linenumber" name="396" href="#396">396</a>       <strong class="jxr_keyword">if</strong> (tableRegionsInMeta.size() == expectedRegionNum
+<a class="jxr_linenumber" name="397" href="#397">397</a>           &amp;&amp; tableRegionsInMaster.size() == expectedRegionNum) {
+<a class="jxr_linenumber" name="398" href="#398">398</a>         <strong class="jxr_keyword">break</strong>;
+<a class="jxr_linenumber" name="399" href="#399">399</a>       }
+<a class="jxr_linenumber" name="400" href="#400">400</a>       Thread.sleep(250);
+<a class="jxr_linenumber" name="401" href="#401">401</a>     }
+<a class="jxr_linenumber" name="402" href="#402">402</a> 
+<a class="jxr_linenumber" name="403" href="#403">403</a>     tableRegionsInMeta = MetaTableAccessor.getTableRegionsAndLocations(
+<a class="jxr_linenumber" name="404" href="#404">404</a>       master.getConnection(), tablename);
+<a class="jxr_linenumber" name="405" href="#405">405</a>     LOG.info(<span class="jxr_string">"Regions after merge:"</span> + Joiner.on(',').join(tableRegionsInMeta));
+<a class="jxr_linenumber" name="406" href="#406">406</a>     assertEquals(expectedRegionNum, tableRegionsInMeta.size());
+<a class="jxr_linenumber" name="407" href="#407">407</a>   }
+<a class="jxr_linenumber" name="408" href="#408">408</a> 
+<a class="jxr_linenumber" name="409" href="#409">409</a>   <strong class="jxr_keyword">private</strong> Table createTableAndLoadData(HMaster master, TableName tablename)
+<a class="jxr_linenumber" name="410" href="#410">410</a>       <strong class="jxr_keyword">throws</strong> Exception {
+<a class="jxr_linenumber" name="411" href="#411">411</a>     <strong class="jxr_keyword">return</strong> createTableAndLoadData(master, tablename, INITIAL_REGION_NUM, 1);
+<a class="jxr_linenumber" name="412" href="#412">412</a>   }
+<a class="jxr_linenumber" name="413" href="#413">413</a> 
+<a class="jxr_linenumber" name="414" href="#414">414</a>   <strong class="jxr_keyword">private</strong> Table createTableAndLoadData(HMaster master, TableName tablename,
+<a class="jxr_linenumber" name="415" href="#415">415</a>       <strong class="jxr_keyword">int</strong> numRegions, <strong class="jxr_keyword">int</strong> replication) <strong class="jxr_keyword">throws</strong> Exception {
+<a class="jxr_linenumber" name="416" href="#416">416</a>     assertTrue(<span class="jxr_string">"ROWSIZE must &gt; numregions:"</span> + numRegions, ROWSIZE &gt; numRegions);
+<a class="jxr_linenumber" name="417" href="#417">417</a>     byte[][] splitRows = <strong class="jxr_keyword">new</strong> byte[numRegions - 1][];
+<a class="jxr_linenumber" name="418" href="#418">418</a>     <strong class="jxr_keyword">for</strong> (<strong class="jxr_keyword">int</strong> i = 0; i &lt; splitRows.length; i++) {
+<a class="jxr_linenumber" name="419" href="#419">419</a>       splitRows[i] = ROWS[(i + 1) * ROWSIZE / numRegions];
+<a class="jxr_linenumber" name="420" href="#420">420</a>     }
+<a class="jxr_linenumber" name="421" href="#421">421</a> 
+<a class="jxr_linenumber" name="422" href="#422">422</a>     Table table = TEST_UTIL.createTable(tablename, FAMILYNAME, splitRows);
+<a class="jxr_linenumber" name="423" href="#423">423</a>     <strong class="jxr_keyword">if</strong> (replication &gt; 1) {
+<a class="jxr_linenumber" name="424" href="#424">424</a>       HBaseTestingUtility.setReplicas(admin, tablename, replication);
+<a class="jxr_linenumber" name="425" href="#425">425</a>     }
+<a class="jxr_linenumber" name="426" href="#426">426</a>     loadData(table);
+<a class="jxr_linenumber" name="427" href="#427">427</a>     verifyRowCount(table, ROWSIZE);
+<a class="jxr_linenumber" name="428" href="#428">428</a> 
+<a class="jxr_linenumber" name="429" href="#429">429</a>     <em class="jxr_comment">// sleep here is an ugly hack to allow region transitions to finish</em>
+<a class="jxr_linenumber" name="430" href="#430">430</a>     <strong class="jxr_keyword">long</strong> timeout = System.currentTimeMillis() + waitTime;
+<a class="jxr_linenumber" name="431" href="#431">431</a>     List&lt;Pair&lt;HRegionInfo, ServerName&gt;&gt; tableRegions;
+<a class="jxr_linenumber" name="432" href="#432">432</a>     <strong class="jxr_keyword">while</strong> (System.currentTimeMillis() &lt; timeout) {
+<a class="jxr_linenumber" name="433" href="#433">433</a>       tableRegions = MetaTableAccessor.getTableRegionsAndLocations(
+<a class="jxr_linenumber" name="434" href="#434">434</a>         master.getConnection(), tablename);
+<a class="jxr_linenumber" name="435" href="#435">435</a>       <strong class="jxr_keyword">if</strong> (tableRegions.size() == numRegions * replication)
+<a class="jxr_linenumber" name="436" href="#436">436</a>         <strong class="jxr_keyword">break</strong>;
+<a class="jxr_linenumber" name="437" href="#437">437</a>       Thread.sleep(250);
+<a class="jxr_linenumber" name="438" href="#438">438</a>     }
+<a class="jxr_linenumber" name="439" href="#439">439</a> 
+<a class="jxr_linenumber" name="440" href="#440">440</a>     tableRegions = MetaTableAccessor.getTableRegionsAndLocations(
+<a class="jxr_linenumber" name="441" href="#441">441</a>       master.getConnection(), tablename);
+<a class="jxr_linenumber" name="442" href="#442">442</a>     LOG.info(<span class="jxr_string">"Regions after load: "</span> + Joiner.on(',').join(tableRegions));
+<a class="jxr_linenumber" name="443" href="#443">443</a>     assertEquals(numRegions * replication, tableRegions.size());
+<a class="jxr_linenumber" name="444" href="#444">444</a>     <strong class="jxr_keyword">return</strong> table;
+<a class="jxr_linenumber" name="445" href="#445">445</a>   }
+<a class="jxr_linenumber" name="446" href="#446">446</a> 
+<a class="jxr_linenumber" name="447" href="#447">447</a>   <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> byte[][] makeN(byte[] base, <strong class="jxr_keyword">int</strong> n) {
+<a class="jxr_linenumber" name="448" href="#448">448</a>     byte[][] ret = <strong class="jxr_keyword">new</strong> byte[n][];
+<a class="jxr_linenumber" name="449" href="#449">449</a>     <strong class="jxr_keyword">for</strong> (<strong class="jxr_keyword">int</strong> i = 0; i &lt; n; i++) {
+<a class="jxr_linenumber" name="450" href="#450">450</a>       ret[i] = Bytes.add(base, Bytes.toBytes(String.format(<span class="jxr_string">"%04d"</span>, i)));
+<a class="jxr_linenumber" name="451" href="#451">451</a>     }
+<a class="jxr_linenumber" name="452" href="#452">452</a>     <strong class="jxr_keyword">return</strong> ret;
+<a class="jxr_linenumber" name="453" href="#453">453</a>   }
+<a class="jxr_linenumber" name="454" href="#454">454</a> 
+<a class="jxr_linenumber" name="455" href="#455">455</a>   <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">void</strong> loadData(Table table) <strong class="jxr_keyword">throws</strong> IOException {
+<a class="jxr_linenumber" name="456" href="#456">456</a>     <strong class="jxr_keyword">for</strong> (<strong class="jxr_keyword">int</strong> i = 0; i &lt; ROWSIZE; i++) {
+<a class="jxr_linenumber" name="457" href="#457">457</a>       Put put = <strong class="jxr_keyword">new</strong> Put(ROWS[i]);
+<a class="jxr_linenumber" name="458" href="#458">458</a>       put.addColumn(FAMILYNAME, QUALIFIER, Bytes.toBytes(i));
+<a class="jxr_linenumber" name="459" href="#459">459</a>       table.put(put);
+<a class="jxr_linenumber" name="460" href="#460">460</a>     }
+<a class="jxr_linenumber" name="461" href="#461">461</a>   }
+<a class="jxr_linenumber" name="462" href="#462">462</a> 
+<a class="jxr_linenumber" name="463" href="#463">463</a>   <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">void</strong> verifyRowCount(Table table, <strong class="jxr_keyword">int</strong> expectedRegionNum)
+<a class="jxr_linenumber" name="464" href="#464">464</a>       <strong class="jxr_keyword">throws</strong> IOException {
+<a class="jxr_linenumber" name="465" href="#465">465</a>     ResultScanner scanner = table.getScanner(<strong class="jxr_keyword">new</strong> Scan());
+<a class="jxr_linenumber" name="466" href="#466">466</a>     <strong class="jxr_keyword">int</strong> rowCount = 0;
+<a class="jxr_linenumber" name="467" href="#467">467</a>     <strong class="jxr_keyword">while</strong> (scanner.next() != <strong class="jxr_keyword">null</strong>) {
+<a class="jxr_linenumber" name="468" href="#468">468</a>       rowCount++;
+<a class="jxr_linenumber" name="469" href="#469">469</a>     }
+<a class="jxr_linenumber" name="470" href="#470">470</a>     assertEquals(expectedRegionNum, rowCount);
+<a class="jxr_linenumber" name="471" href="#471">471</a>     scanner.close();
+<a class="jxr_linenumber" name="472" href="#472">472</a>   }
+<a class="jxr_linenumber" name="473" href="#473">473</a> 
+<a class="jxr_linenumber" name="474" href="#474">474</a>   <em class="jxr_comment">// Make it public so that JVMClusterUtil can access it.</em>
+<a class="jxr_linenumber" name="475" href="#475">475</a>   <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">class</strong> <a href="../../../../../org/apache/hadoop/hbase/master/TestMasterMetrics.html">MyMaster</a> <strong class="jxr_keyword">extends</strong> HMaster {
+<a class="jxr_linenumber" name="476" href="#476">476</a>     <strong class="jxr_keyword">public</strong> <a href="../../../../../org/apache/hadoop/hbase/master/TestMasterMetrics.html">MyMaster</a>(Configuration conf, CoordinatedStateManager cp)
+<a class="jxr_linenumber" name="477" href="#477">477</a>       <strong class="jxr_keyword">throws</strong> IOException, KeeperException,
+<a class="jxr_linenumber" name="478" href="#478">478</a>         InterruptedException {
+<a class="jxr_linenumber" name="479" href="#479">479</a>       <strong class="jxr_keyword">super</strong>(conf, cp);
+<a class="jxr_linenumber" name="480" href="#480">480</a>     }
+<a class="jxr_linenumber" name="481" href="#481">481</a> 
+<a class="jxr_linenumber" name="482" href="#482">482</a>     @Override
+<a class="jxr_linenumber" name="483" href="#483">483</a>     <strong class="jxr_keyword">protected</strong> RSRpcServices createRpcServices() <strong class="jxr_keyword">throws</strong> IOException {
+<a class="jxr_linenumber" name="484" href="#484">484</a>       <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">new</strong> <a href="../../../../../org/apache/hadoop/hbase/regionserver/TestSplitTransactionOnCluster.html">MyMasterRpcServices</a>(<strong class="jxr_keyword">this</strong>);
+<a class="jxr_linenumber" name="485" href="#485">485</a>     }
+<a class="jxr_linenumber" name="486" href="#486">486</a>   }
+<a class="jxr_linenumber" name="487" href="#487">487</a> 
+<a class="jxr_linenumber" name="488" href="#488">488</a>   <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">class</strong> <a href="../../../../../org/apache/hadoop/hbase/regionserver/TestSplitTransactionOnCluster.html">MyMasterRpcServices</a> <strong class="jxr_keyword">extends</strong> MasterRpcServices {
+<a class="jxr_linenumber" name="489" href="#489">489</a>     <strong class="jxr_keyword">static</strong> AtomicBoolean enabled = <strong class="jxr_keyword">new</strong> AtomicBoolean(false);
+<a class="jxr_linenumber" name="490" href="#490">490</a> 
+<a class="jxr_linenumber" name="491" href="#491">491</a>     <strong class="jxr_keyword">private</strong> HMaster myMaster;
+<a class="jxr_linenumber" name="492" href="#492">492</a>     <strong class="jxr_keyword">public</strong> <a href="../../../../../org/apache/hadoop/hbase/regionserver/TestSplitTransactionOnCluster.html">MyMasterRpcServices</a>(HMaster master) <strong class="jxr_keyword">throws</strong> IOException {
+<a class="jxr_linenumber" name="493" href="#493">493</a>       <strong class="jxr_keyword">super</strong>(master);
+<a class="jxr_linenumber" name="494" href="#494">494</a>       myMaster = master;
+<a class="jxr_linenumber" name="495" href="#495">495</a>     }
+<a class="jxr_linenumber" name="496" href="#496">496</a> 
+<a class="jxr_linenumber" name="497" href="#497">497</a>     @Override
+<a class="jxr_linenumber" name="498" href="#498">498</a>     <strong class="jxr_keyword">public</strong> ReportRegionStateTransitionResponse reportRegionStateTransition(RpcController c,
+<a class="jxr_linenumber" name="499" href="#499">499</a>         ReportRegionStateTransitionRequest req) <strong class="jxr_keyword">throws</strong> ServiceException {
+<a class="jxr_linenumber" name="500" href="#500">500</a>       ReportRegionStateTransitionResponse resp = <strong class="jxr_keyword">super</strong>.reportRegionStateTransition(c, req);
+<a class="jxr_linenumber" name="501" href="#501">501</a>       <strong class="jxr_keyword">if</strong> (enabled.get() &amp;&amp; req.getTransition(0).getTransitionCode()
+<a class="jxr_linenumber" name="502" href="#502">502</a>           == TransitionCode.READY_TO_MERGE &amp;&amp; !resp.hasErrorMessage()) {
+<a class="jxr_linenumber" name="503" href="#503">503</a>         RegionStates regionStates = myMaster.getAssignmentManager().getRegionStates();
+<a class="jxr_linenumber" name="504" href="#504">504</a>         <strong class="jxr_keyword">for</strong> (RegionState regionState: regionStates.getRegionsInTransition().values()) {
+<a class="jxr_linenumber" name="505" href="#505">505</a>           <em class="jxr_comment">// Find the merging_new region and remove it</em>
+<a class="jxr_linenumber" name="506" href="#506">506</a>           <strong class="jxr_keyword">if</strong> (regionState.isMergingNew()) {
+<a class="jxr_linenumber" name="507" href="#507">507</a>             regionStates.deleteRegion(regionState.getRegion());
+<a class="jxr_linenumber" name="508" href="#508">508</a>           }
+<a class="jxr_linenumber" name="509" href="#509">509</a>         }
+<a class="jxr_linenumber" name="510" href="#510">510</a>       }
+<a class="jxr_linenumber" name="511" href="#511">511</a>       <strong class="jxr_keyword">return</strong> resp;
+<a class="jxr_linenumber" name="512" href="#512">512</a>     }
+<a class="jxr_linenumber" name="513" href="#513">513</a>   }
+<a class="jxr_linenumber" name="514" href="#514">514</a> }
 </pre>
 <hr/><div id="footer">This page was automatically generated by <a href="http://maven.apache.org/">Maven</a></div></body>
 </html>

Modified: hbase/hbase.apache.org/trunk/xref-test/org/apache/hadoop/hbase/util/hbck/OfflineMetaRebuildTestCore.html
URL: http://svn.apache.org/viewvc/hbase/hbase.apache.org/trunk/xref-test/org/apache/hadoop/hbase/util/hbck/OfflineMetaRebuildTestCore.html?rev=1711891&r1=1711890&r2=1711891&view=diff
==============================================================================
--- hbase/hbase.apache.org/trunk/xref-test/org/apache/hadoop/hbase/util/hbck/OfflineMetaRebuildTestCore.html (original)
+++ hbase/hbase.apache.org/trunk/xref-test/org/apache/hadoop/hbase/util/hbck/OfflineMetaRebuildTestCore.html Mon Nov  2 03:51:02 2015
@@ -258,7 +258,7 @@
 <a class="jxr_linenumber" name="248" href="#248">248</a>     List&lt;Delete&gt; dels = <strong class="jxr_keyword">new</strong> ArrayList&lt;Delete&gt;();
 <a class="jxr_linenumber" name="249" href="#249">249</a>     <strong class="jxr_keyword">for</strong> (Result r : scanner) {
 <a class="jxr_linenumber" name="250" href="#250">250</a>       HRegionInfo info =
-<a class="jxr_linenumber" name="251" href="#251">251</a>           HRegionInfo.getHRegionInfo(r);
+<a class="jxr_linenumber" name="251" href="#251">251</a>           MetaTableAccessor.getHRegionInfo(r);
 <a class="jxr_linenumber" name="252" href="#252">252</a>       <strong class="jxr_keyword">if</strong>(info != <strong class="jxr_keyword">null</strong> &amp;&amp; !info.getTable().getNamespaceAsString()
 <a class="jxr_linenumber" name="253" href="#253">253</a>           .equals(NamespaceDescriptor.SYSTEM_NAMESPACE_NAME_STR)) {
 <a class="jxr_linenumber" name="254" href="#254">254</a>         Delete d = <strong class="jxr_keyword">new</strong> Delete(r.getRow());



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