You are viewing a plain text version of this content. The canonical link for it is here.
Posted to commits@hbase.apache.org by mi...@apache.org on 2015/12/14 17:38:21 UTC
[10/45] hbase-site git commit: Published site at
04622254f7209c5cfeadcfa137a97fbed161075a.
http://git-wip-us.apache.org/repos/asf/hbase-site/blob/736088b3/xref-test/org/apache/hadoop/hbase/snapshot/TestFlushSnapshotFromClient.html
----------------------------------------------------------------------
diff --git a/xref-test/org/apache/hadoop/hbase/snapshot/TestFlushSnapshotFromClient.html b/xref-test/org/apache/hadoop/hbase/snapshot/TestFlushSnapshotFromClient.html
index 47961fa..29cab65 100644
--- a/xref-test/org/apache/hadoop/hbase/snapshot/TestFlushSnapshotFromClient.html
+++ b/xref-test/org/apache/hadoop/hbase/snapshot/TestFlushSnapshotFromClient.html
@@ -170,7 +170,7 @@
<a class="jxr_linenumber" name="160" href="#160">160</a> <em class="jxr_javadoccomment"> * Test snapshotting a table that is online without flushing</em>
<a class="jxr_linenumber" name="161" href="#161">161</a> <em class="jxr_javadoccomment"> * @throws Exception</em>
<a class="jxr_linenumber" name="162" href="#162">162</a> <em class="jxr_javadoccomment"> */</em>
-<a class="jxr_linenumber" name="163" href="#163">163</a> @Ignore (<span class="jxr_string">"Flakey test"</span>) @Test(timeout=30000)
+<a class="jxr_linenumber" name="163" href="#163">163</a> @Test(timeout=30000)
<a class="jxr_linenumber" name="164" href="#164">164</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> testSkipFlushTableSnapshot() <strong class="jxr_keyword">throws</strong> Exception {
<a class="jxr_linenumber" name="165" href="#165">165</a> Admin admin = UTIL.getHBaseAdmin();
<a class="jxr_linenumber" name="166" href="#166">166</a> <em class="jxr_comment">// make sure we don't fail on listing snapshots</em>
@@ -179,364 +179,365 @@
<a class="jxr_linenumber" name="169" href="#169">169</a> <em class="jxr_comment">// put some stuff in the table</em>
<a class="jxr_linenumber" name="170" href="#170">170</a> Table table = UTIL.getConnection().getTable(TABLE_NAME);
<a class="jxr_linenumber" name="171" href="#171">171</a> UTIL.loadTable(table, TEST_FAM);
-<a class="jxr_linenumber" name="172" href="#172">172</a>
-<a class="jxr_linenumber" name="173" href="#173">173</a> LOG.debug(<span class="jxr_string">"FS state before snapshot:"</span>);
-<a class="jxr_linenumber" name="174" href="#174">174</a> UTIL.getHBaseCluster().getMaster().getMasterFileSystem().logFileSystemState(LOG);
-<a class="jxr_linenumber" name="175" href="#175">175</a>
-<a class="jxr_linenumber" name="176" href="#176">176</a> <em class="jxr_comment">// take a snapshot of the enabled table</em>
-<a class="jxr_linenumber" name="177" href="#177">177</a> String snapshotString = <span class="jxr_string">"skipFlushTableSnapshot"</span>;
-<a class="jxr_linenumber" name="178" href="#178">178</a> byte[] snapshot = Bytes.toBytes(snapshotString);
-<a class="jxr_linenumber" name="179" href="#179">179</a> admin.snapshot(snapshotString, TABLE_NAME, SnapshotDescription.Type.SKIPFLUSH);
-<a class="jxr_linenumber" name="180" href="#180">180</a> LOG.debug(<span class="jxr_string">"Snapshot completed."</span>);
-<a class="jxr_linenumber" name="181" href="#181">181</a>
-<a class="jxr_linenumber" name="182" href="#182">182</a> <em class="jxr_comment">// make sure we have the snapshot</em>
-<a class="jxr_linenumber" name="183" href="#183">183</a> List<SnapshotDescription> snapshots = SnapshotTestingUtils.assertOneSnapshotThatMatches(admin,
-<a class="jxr_linenumber" name="184" href="#184">184</a> snapshot, TABLE_NAME);
-<a class="jxr_linenumber" name="185" href="#185">185</a>
-<a class="jxr_linenumber" name="186" href="#186">186</a> <em class="jxr_comment">// make sure its a valid snapshot</em>
-<a class="jxr_linenumber" name="187" href="#187">187</a> LOG.debug(<span class="jxr_string">"FS state after snapshot:"</span>);
-<a class="jxr_linenumber" name="188" href="#188">188</a> UTIL.getHBaseCluster().getMaster().getMasterFileSystem().logFileSystemState(LOG);
-<a class="jxr_linenumber" name="189" href="#189">189</a>
-<a class="jxr_linenumber" name="190" href="#190">190</a> SnapshotTestingUtils.confirmSnapshotValid(UTIL, snapshots.get(0), TABLE_NAME, TEST_FAM);
-<a class="jxr_linenumber" name="191" href="#191">191</a>
-<a class="jxr_linenumber" name="192" href="#192">192</a> admin.deleteSnapshot(snapshot);
-<a class="jxr_linenumber" name="193" href="#193">193</a> snapshots = admin.listSnapshots();
-<a class="jxr_linenumber" name="194" href="#194">194</a> SnapshotTestingUtils.assertNoSnapshots(admin);
-<a class="jxr_linenumber" name="195" href="#195">195</a> }
-<a class="jxr_linenumber" name="196" href="#196">196</a>
+<a class="jxr_linenumber" name="172" href="#172">172</a> UTIL.flush(TABLE_NAME);
+<a class="jxr_linenumber" name="173" href="#173">173</a>
+<a class="jxr_linenumber" name="174" href="#174">174</a> LOG.debug(<span class="jxr_string">"FS state before snapshot:"</span>);
+<a class="jxr_linenumber" name="175" href="#175">175</a> UTIL.getHBaseCluster().getMaster().getMasterFileSystem().logFileSystemState(LOG);
+<a class="jxr_linenumber" name="176" href="#176">176</a>
+<a class="jxr_linenumber" name="177" href="#177">177</a> <em class="jxr_comment">// take a snapshot of the enabled table</em>
+<a class="jxr_linenumber" name="178" href="#178">178</a> String snapshotString = <span class="jxr_string">"skipFlushTableSnapshot"</span>;
+<a class="jxr_linenumber" name="179" href="#179">179</a> byte[] snapshot = Bytes.toBytes(snapshotString);
+<a class="jxr_linenumber" name="180" href="#180">180</a> admin.snapshot(snapshotString, TABLE_NAME, SnapshotDescription.Type.SKIPFLUSH);
+<a class="jxr_linenumber" name="181" href="#181">181</a> LOG.debug(<span class="jxr_string">"Snapshot completed."</span>);
+<a class="jxr_linenumber" name="182" href="#182">182</a>
+<a class="jxr_linenumber" name="183" href="#183">183</a> <em class="jxr_comment">// make sure we have the snapshot</em>
+<a class="jxr_linenumber" name="184" href="#184">184</a> List<SnapshotDescription> snapshots = SnapshotTestingUtils.assertOneSnapshotThatMatches(admin,
+<a class="jxr_linenumber" name="185" href="#185">185</a> snapshot, TABLE_NAME);
+<a class="jxr_linenumber" name="186" href="#186">186</a>
+<a class="jxr_linenumber" name="187" href="#187">187</a> <em class="jxr_comment">// make sure its a valid snapshot</em>
+<a class="jxr_linenumber" name="188" href="#188">188</a> LOG.debug(<span class="jxr_string">"FS state after snapshot:"</span>);
+<a class="jxr_linenumber" name="189" href="#189">189</a> UTIL.getHBaseCluster().getMaster().getMasterFileSystem().logFileSystemState(LOG);
+<a class="jxr_linenumber" name="190" href="#190">190</a>
+<a class="jxr_linenumber" name="191" href="#191">191</a> SnapshotTestingUtils.confirmSnapshotValid(UTIL, snapshots.get(0), TABLE_NAME, TEST_FAM);
+<a class="jxr_linenumber" name="192" href="#192">192</a>
+<a class="jxr_linenumber" name="193" href="#193">193</a> admin.deleteSnapshot(snapshot);
+<a class="jxr_linenumber" name="194" href="#194">194</a> snapshots = admin.listSnapshots();
+<a class="jxr_linenumber" name="195" href="#195">195</a> SnapshotTestingUtils.assertNoSnapshots(admin);
+<a class="jxr_linenumber" name="196" href="#196">196</a> }
<a class="jxr_linenumber" name="197" href="#197">197</a>
-<a class="jxr_linenumber" name="198" href="#198">198</a> <em class="jxr_javadoccomment">/**</em>
-<a class="jxr_linenumber" name="199" href="#199">199</a> <em class="jxr_javadoccomment"> * Test simple flush snapshotting a table that is online</em>
-<a class="jxr_linenumber" name="200" href="#200">200</a> <em class="jxr_javadoccomment"> * @throws Exception</em>
-<a class="jxr_linenumber" name="201" href="#201">201</a> <em class="jxr_javadoccomment"> */</em>
-<a class="jxr_linenumber" name="202" href="#202">202</a> @Test (timeout=300000)
-<a class="jxr_linenumber" name="203" href="#203">203</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> testFlushTableSnapshotWithProcedure() <strong class="jxr_keyword">throws</strong> Exception {
-<a class="jxr_linenumber" name="204" href="#204">204</a> Admin admin = UTIL.getHBaseAdmin();
-<a class="jxr_linenumber" name="205" href="#205">205</a> <em class="jxr_comment">// make sure we don't fail on listing snapshots</em>
-<a class="jxr_linenumber" name="206" href="#206">206</a> SnapshotTestingUtils.assertNoSnapshots(admin);
-<a class="jxr_linenumber" name="207" href="#207">207</a>
-<a class="jxr_linenumber" name="208" href="#208">208</a> <em class="jxr_comment">// put some stuff in the table</em>
-<a class="jxr_linenumber" name="209" href="#209">209</a> SnapshotTestingUtils.loadData(UTIL, TABLE_NAME, DEFAULT_NUM_ROWS, TEST_FAM);
-<a class="jxr_linenumber" name="210" href="#210">210</a>
-<a class="jxr_linenumber" name="211" href="#211">211</a> LOG.debug(<span class="jxr_string">"FS state before snapshot:"</span>);
-<a class="jxr_linenumber" name="212" href="#212">212</a> UTIL.getHBaseCluster().getMaster().getMasterFileSystem().logFileSystemState(LOG);
-<a class="jxr_linenumber" name="213" href="#213">213</a>
-<a class="jxr_linenumber" name="214" href="#214">214</a> <em class="jxr_comment">// take a snapshot of the enabled table</em>
-<a class="jxr_linenumber" name="215" href="#215">215</a> String snapshotString = <span class="jxr_string">"offlineTableSnapshot"</span>;
-<a class="jxr_linenumber" name="216" href="#216">216</a> byte[] snapshot = Bytes.toBytes(snapshotString);
-<a class="jxr_linenumber" name="217" href="#217">217</a> Map<String, String> props = <strong class="jxr_keyword">new</strong> HashMap<String, String>();
-<a class="jxr_linenumber" name="218" href="#218">218</a> props.put(<span class="jxr_string">"table"</span>, TABLE_NAME.getNameAsString());
-<a class="jxr_linenumber" name="219" href="#219">219</a> admin.execProcedure(SnapshotManager.ONLINE_SNAPSHOT_CONTROLLER_DESCRIPTION,
-<a class="jxr_linenumber" name="220" href="#220">220</a> snapshotString, props);
-<a class="jxr_linenumber" name="221" href="#221">221</a>
+<a class="jxr_linenumber" name="198" href="#198">198</a>
+<a class="jxr_linenumber" name="199" href="#199">199</a> <em class="jxr_javadoccomment">/**</em>
+<a class="jxr_linenumber" name="200" href="#200">200</a> <em class="jxr_javadoccomment"> * Test simple flush snapshotting a table that is online</em>
+<a class="jxr_linenumber" name="201" href="#201">201</a> <em class="jxr_javadoccomment"> * @throws Exception</em>
+<a class="jxr_linenumber" name="202" href="#202">202</a> <em class="jxr_javadoccomment"> */</em>
+<a class="jxr_linenumber" name="203" href="#203">203</a> @Test (timeout=300000)
+<a class="jxr_linenumber" name="204" href="#204">204</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> testFlushTableSnapshotWithProcedure() <strong class="jxr_keyword">throws</strong> Exception {
+<a class="jxr_linenumber" name="205" href="#205">205</a> Admin admin = UTIL.getHBaseAdmin();
+<a class="jxr_linenumber" name="206" href="#206">206</a> <em class="jxr_comment">// make sure we don't fail on listing snapshots</em>
+<a class="jxr_linenumber" name="207" href="#207">207</a> SnapshotTestingUtils.assertNoSnapshots(admin);
+<a class="jxr_linenumber" name="208" href="#208">208</a>
+<a class="jxr_linenumber" name="209" href="#209">209</a> <em class="jxr_comment">// put some stuff in the table</em>
+<a class="jxr_linenumber" name="210" href="#210">210</a> SnapshotTestingUtils.loadData(UTIL, TABLE_NAME, DEFAULT_NUM_ROWS, TEST_FAM);
+<a class="jxr_linenumber" name="211" href="#211">211</a>
+<a class="jxr_linenumber" name="212" href="#212">212</a> LOG.debug(<span class="jxr_string">"FS state before snapshot:"</span>);
+<a class="jxr_linenumber" name="213" href="#213">213</a> UTIL.getHBaseCluster().getMaster().getMasterFileSystem().logFileSystemState(LOG);
+<a class="jxr_linenumber" name="214" href="#214">214</a>
+<a class="jxr_linenumber" name="215" href="#215">215</a> <em class="jxr_comment">// take a snapshot of the enabled table</em>
+<a class="jxr_linenumber" name="216" href="#216">216</a> String snapshotString = <span class="jxr_string">"offlineTableSnapshot"</span>;
+<a class="jxr_linenumber" name="217" href="#217">217</a> byte[] snapshot = Bytes.toBytes(snapshotString);
+<a class="jxr_linenumber" name="218" href="#218">218</a> Map<String, String> props = <strong class="jxr_keyword">new</strong> HashMap<String, String>();
+<a class="jxr_linenumber" name="219" href="#219">219</a> props.put(<span class="jxr_string">"table"</span>, TABLE_NAME.getNameAsString());
+<a class="jxr_linenumber" name="220" href="#220">220</a> admin.execProcedure(SnapshotManager.ONLINE_SNAPSHOT_CONTROLLER_DESCRIPTION,
+<a class="jxr_linenumber" name="221" href="#221">221</a> snapshotString, props);
<a class="jxr_linenumber" name="222" href="#222">222</a>
-<a class="jxr_linenumber" name="223" href="#223">223</a> LOG.debug(<span class="jxr_string">"Snapshot completed."</span>);
-<a class="jxr_linenumber" name="224" href="#224">224</a>
-<a class="jxr_linenumber" name="225" href="#225">225</a> <em class="jxr_comment">// make sure we have the snapshot</em>
-<a class="jxr_linenumber" name="226" href="#226">226</a> List<SnapshotDescription> snapshots = SnapshotTestingUtils.assertOneSnapshotThatMatches(admin,
-<a class="jxr_linenumber" name="227" href="#227">227</a> snapshot, TABLE_NAME);
-<a class="jxr_linenumber" name="228" href="#228">228</a>
-<a class="jxr_linenumber" name="229" href="#229">229</a> <em class="jxr_comment">// make sure its a valid snapshot</em>
-<a class="jxr_linenumber" name="230" href="#230">230</a> LOG.debug(<span class="jxr_string">"FS state after snapshot:"</span>);
-<a class="jxr_linenumber" name="231" href="#231">231</a> UTIL.getHBaseCluster().getMaster().getMasterFileSystem().logFileSystemState(LOG);
-<a class="jxr_linenumber" name="232" href="#232">232</a>
-<a class="jxr_linenumber" name="233" href="#233">233</a> SnapshotTestingUtils.confirmSnapshotValid(UTIL, snapshots.get(0), TABLE_NAME, TEST_FAM);
-<a class="jxr_linenumber" name="234" href="#234">234</a> }
-<a class="jxr_linenumber" name="235" href="#235">235</a>
-<a class="jxr_linenumber" name="236" href="#236">236</a> @Test (timeout=300000)
-<a class="jxr_linenumber" name="237" href="#237">237</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> testSnapshotFailsOnNonExistantTable() <strong class="jxr_keyword">throws</strong> Exception {
-<a class="jxr_linenumber" name="238" href="#238">238</a> Admin admin = UTIL.getHBaseAdmin();
-<a class="jxr_linenumber" name="239" href="#239">239</a> <em class="jxr_comment">// make sure we don't fail on listing snapshots</em>
-<a class="jxr_linenumber" name="240" href="#240">240</a> SnapshotTestingUtils.assertNoSnapshots(admin);
-<a class="jxr_linenumber" name="241" href="#241">241</a> TableName tableName = TableName.valueOf(<span class="jxr_string">"_not_a_table"</span>);
-<a class="jxr_linenumber" name="242" href="#242">242</a>
-<a class="jxr_linenumber" name="243" href="#243">243</a> <em class="jxr_comment">// make sure the table doesn't exist</em>
-<a class="jxr_linenumber" name="244" href="#244">244</a> <strong class="jxr_keyword">boolean</strong> fail = false;
-<a class="jxr_linenumber" name="245" href="#245">245</a> <strong class="jxr_keyword">do</strong> {
-<a class="jxr_linenumber" name="246" href="#246">246</a> <strong class="jxr_keyword">try</strong> {
-<a class="jxr_linenumber" name="247" href="#247">247</a> admin.getTableDescriptor(tableName);
-<a class="jxr_linenumber" name="248" href="#248">248</a> fail = <strong class="jxr_keyword">true</strong>;
-<a class="jxr_linenumber" name="249" href="#249">249</a> LOG.error(<span class="jxr_string">"Table:"</span> + tableName + <span class="jxr_string">" already exists, checking a new name"</span>);
-<a class="jxr_linenumber" name="250" href="#250">250</a> tableName = TableName.valueOf(tableName+<span class="jxr_string">"!"</span>);
-<a class="jxr_linenumber" name="251" href="#251">251</a> } <strong class="jxr_keyword">catch</strong> (TableNotFoundException e) {
-<a class="jxr_linenumber" name="252" href="#252">252</a> fail = false;
-<a class="jxr_linenumber" name="253" href="#253">253</a> }
-<a class="jxr_linenumber" name="254" href="#254">254</a> } <strong class="jxr_keyword">while</strong> (fail);
-<a class="jxr_linenumber" name="255" href="#255">255</a>
-<a class="jxr_linenumber" name="256" href="#256">256</a> <em class="jxr_comment">// snapshot the non-existant table</em>
-<a class="jxr_linenumber" name="257" href="#257">257</a> <strong class="jxr_keyword">try</strong> {
-<a class="jxr_linenumber" name="258" href="#258">258</a> admin.snapshot(<span class="jxr_string">"fail"</span>, tableName, SnapshotDescription.Type.FLUSH);
-<a class="jxr_linenumber" name="259" href="#259">259</a> fail(<span class="jxr_string">"Snapshot succeeded even though there is not table."</span>);
-<a class="jxr_linenumber" name="260" href="#260">260</a> } <strong class="jxr_keyword">catch</strong> (SnapshotCreationException e) {
-<a class="jxr_linenumber" name="261" href="#261">261</a> LOG.info(<span class="jxr_string">"Correctly failed to snapshot a non-existant table:"</span> + e.getMessage());
-<a class="jxr_linenumber" name="262" href="#262">262</a> }
-<a class="jxr_linenumber" name="263" href="#263">263</a> }
-<a class="jxr_linenumber" name="264" href="#264">264</a>
-<a class="jxr_linenumber" name="265" href="#265">265</a> @Test(timeout = 300000)
-<a class="jxr_linenumber" name="266" href="#266">266</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> testAsyncFlushSnapshot() <strong class="jxr_keyword">throws</strong> Exception {
-<a class="jxr_linenumber" name="267" href="#267">267</a> Admin admin = UTIL.getHBaseAdmin();
-<a class="jxr_linenumber" name="268" href="#268">268</a> SnapshotDescription snapshot = SnapshotDescription.newBuilder().setName(<span class="jxr_string">"asyncSnapshot"</span>)
-<a class="jxr_linenumber" name="269" href="#269">269</a> .setTable(TABLE_NAME.getNameAsString())
-<a class="jxr_linenumber" name="270" href="#270">270</a> .setType(SnapshotDescription.Type.FLUSH)
-<a class="jxr_linenumber" name="271" href="#271">271</a> .build();
-<a class="jxr_linenumber" name="272" href="#272">272</a>
-<a class="jxr_linenumber" name="273" href="#273">273</a> <em class="jxr_comment">// take the snapshot async</em>
-<a class="jxr_linenumber" name="274" href="#274">274</a> admin.takeSnapshotAsync(snapshot);
-<a class="jxr_linenumber" name="275" href="#275">275</a>
-<a class="jxr_linenumber" name="276" href="#276">276</a> <em class="jxr_comment">// constantly loop, looking for the snapshot to complete</em>
-<a class="jxr_linenumber" name="277" href="#277">277</a> HMaster master = UTIL.getMiniHBaseCluster().getMaster();
-<a class="jxr_linenumber" name="278" href="#278">278</a> SnapshotTestingUtils.waitForSnapshotToComplete(master, snapshot, 200);
-<a class="jxr_linenumber" name="279" href="#279">279</a> LOG.info(<span class="jxr_string">" === Async Snapshot Completed ==="</span>);
-<a class="jxr_linenumber" name="280" href="#280">280</a> UTIL.getHBaseCluster().getMaster().getMasterFileSystem().logFileSystemState(LOG);
-<a class="jxr_linenumber" name="281" href="#281">281</a>
-<a class="jxr_linenumber" name="282" href="#282">282</a> <em class="jxr_comment">// make sure we get the snapshot</em>
-<a class="jxr_linenumber" name="283" href="#283">283</a> SnapshotTestingUtils.assertOneSnapshotThatMatches(admin, snapshot);
-<a class="jxr_linenumber" name="284" href="#284">284</a> }
-<a class="jxr_linenumber" name="285" href="#285">285</a>
-<a class="jxr_linenumber" name="286" href="#286">286</a> @Test (timeout=300000)
-<a class="jxr_linenumber" name="287" href="#287">287</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> testSnapshotStateAfterMerge() <strong class="jxr_keyword">throws</strong> Exception {
-<a class="jxr_linenumber" name="288" href="#288">288</a> <strong class="jxr_keyword">int</strong> numRows = DEFAULT_NUM_ROWS;
-<a class="jxr_linenumber" name="289" href="#289">289</a> Admin admin = UTIL.getHBaseAdmin();
-<a class="jxr_linenumber" name="290" href="#290">290</a> <em class="jxr_comment">// make sure we don't fail on listing snapshots</em>
-<a class="jxr_linenumber" name="291" href="#291">291</a> SnapshotTestingUtils.assertNoSnapshots(admin);
-<a class="jxr_linenumber" name="292" href="#292">292</a> <em class="jxr_comment">// load the table so we have some data</em>
-<a class="jxr_linenumber" name="293" href="#293">293</a> SnapshotTestingUtils.loadData(UTIL, TABLE_NAME, numRows, TEST_FAM);
-<a class="jxr_linenumber" name="294" href="#294">294</a>
-<a class="jxr_linenumber" name="295" href="#295">295</a> <em class="jxr_comment">// Take a snapshot</em>
-<a class="jxr_linenumber" name="296" href="#296">296</a> String snapshotBeforeMergeName = <span class="jxr_string">"snapshotBeforeMerge"</span>;
-<a class="jxr_linenumber" name="297" href="#297">297</a> admin.snapshot(snapshotBeforeMergeName, TABLE_NAME, SnapshotDescription.Type.FLUSH);
-<a class="jxr_linenumber" name="298" href="#298">298</a>
-<a class="jxr_linenumber" name="299" href="#299">299</a> <em class="jxr_comment">// Clone the table</em>
-<a class="jxr_linenumber" name="300" href="#300">300</a> TableName cloneBeforeMergeName = TableName.valueOf(<span class="jxr_string">"cloneBeforeMerge"</span>);
-<a class="jxr_linenumber" name="301" href="#301">301</a> admin.cloneSnapshot(snapshotBeforeMergeName, cloneBeforeMergeName);
-<a class="jxr_linenumber" name="302" href="#302">302</a> SnapshotTestingUtils.waitForTableToBeOnline(UTIL, cloneBeforeMergeName);
-<a class="jxr_linenumber" name="303" href="#303">303</a>
-<a class="jxr_linenumber" name="304" href="#304">304</a> <em class="jxr_comment">// Merge two regions</em>
-<a class="jxr_linenumber" name="305" href="#305">305</a> List<HRegionInfo> regions = admin.getTableRegions(TABLE_NAME);
-<a class="jxr_linenumber" name="306" href="#306">306</a> Collections.sort(regions, <strong class="jxr_keyword">new</strong> Comparator<HRegionInfo>() {
-<a class="jxr_linenumber" name="307" href="#307">307</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">int</strong> compare(HRegionInfo r1, HRegionInfo r2) {
-<a class="jxr_linenumber" name="308" href="#308">308</a> <strong class="jxr_keyword">return</strong> Bytes.compareTo(r1.getStartKey(), r2.getStartKey());
-<a class="jxr_linenumber" name="309" href="#309">309</a> }
-<a class="jxr_linenumber" name="310" href="#310">310</a> });
-<a class="jxr_linenumber" name="311" href="#311">311</a>
-<a class="jxr_linenumber" name="312" href="#312">312</a> <strong class="jxr_keyword">int</strong> numRegions = admin.getTableRegions(TABLE_NAME).size();
-<a class="jxr_linenumber" name="313" href="#313">313</a> <strong class="jxr_keyword">int</strong> numRegionsAfterMerge = numRegions - 2;
-<a class="jxr_linenumber" name="314" href="#314">314</a> admin.mergeRegions(regions.get(1).getEncodedNameAsBytes(),
-<a class="jxr_linenumber" name="315" href="#315">315</a> regions.get(2).getEncodedNameAsBytes(), <strong class="jxr_keyword">true</strong>);
-<a class="jxr_linenumber" name="316" href="#316">316</a> admin.mergeRegions(regions.get(5).getEncodedNameAsBytes(),
-<a class="jxr_linenumber" name="317" href="#317">317</a> regions.get(6).getEncodedNameAsBytes(), <strong class="jxr_keyword">true</strong>);
-<a class="jxr_linenumber" name="318" href="#318">318</a>
-<a class="jxr_linenumber" name="319" href="#319">319</a> <em class="jxr_comment">// Verify that there's one region less</em>
-<a class="jxr_linenumber" name="320" href="#320">320</a> waitRegionsAfterMerge(numRegionsAfterMerge);
-<a class="jxr_linenumber" name="321" href="#321">321</a> assertEquals(numRegionsAfterMerge, admin.getTableRegions(TABLE_NAME).size());
-<a class="jxr_linenumber" name="322" href="#322">322</a>
-<a class="jxr_linenumber" name="323" href="#323">323</a> <em class="jxr_comment">// Clone the table</em>
-<a class="jxr_linenumber" name="324" href="#324">324</a> TableName cloneAfterMergeName = TableName.valueOf(<span class="jxr_string">"cloneAfterMerge"</span>);
-<a class="jxr_linenumber" name="325" href="#325">325</a> admin.cloneSnapshot(snapshotBeforeMergeName, cloneAfterMergeName);
-<a class="jxr_linenumber" name="326" href="#326">326</a> SnapshotTestingUtils.waitForTableToBeOnline(UTIL, cloneAfterMergeName);
-<a class="jxr_linenumber" name="327" href="#327">327</a>
-<a class="jxr_linenumber" name="328" href="#328">328</a> verifyRowCount(UTIL, TABLE_NAME, numRows);
-<a class="jxr_linenumber" name="329" href="#329">329</a> verifyRowCount(UTIL, cloneBeforeMergeName, numRows);
-<a class="jxr_linenumber" name="330" href="#330">330</a> verifyRowCount(UTIL, cloneAfterMergeName, numRows);
-<a class="jxr_linenumber" name="331" href="#331">331</a>
-<a class="jxr_linenumber" name="332" href="#332">332</a> <em class="jxr_comment">// test that we can delete the snapshot</em>
-<a class="jxr_linenumber" name="333" href="#333">333</a> UTIL.deleteTable(cloneAfterMergeName);
-<a class="jxr_linenumber" name="334" href="#334">334</a> UTIL.deleteTable(cloneBeforeMergeName);
-<a class="jxr_linenumber" name="335" href="#335">335</a> }
-<a class="jxr_linenumber" name="336" href="#336">336</a>
-<a class="jxr_linenumber" name="337" href="#337">337</a> @Test (timeout=300000)
-<a class="jxr_linenumber" name="338" href="#338">338</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> testTakeSnapshotAfterMerge() <strong class="jxr_keyword">throws</strong> Exception {
-<a class="jxr_linenumber" name="339" href="#339">339</a> <strong class="jxr_keyword">int</strong> numRows = DEFAULT_NUM_ROWS;
-<a class="jxr_linenumber" name="340" href="#340">340</a> Admin admin = UTIL.getHBaseAdmin();
-<a class="jxr_linenumber" name="341" href="#341">341</a> <em class="jxr_comment">// make sure we don't fail on listing snapshots</em>
-<a class="jxr_linenumber" name="342" href="#342">342</a> SnapshotTestingUtils.assertNoSnapshots(admin);
-<a class="jxr_linenumber" name="343" href="#343">343</a> <em class="jxr_comment">// load the table so we have some data</em>
-<a class="jxr_linenumber" name="344" href="#344">344</a> SnapshotTestingUtils.loadData(UTIL, TABLE_NAME, numRows, TEST_FAM);
-<a class="jxr_linenumber" name="345" href="#345">345</a>
-<a class="jxr_linenumber" name="346" href="#346">346</a> <em class="jxr_comment">// Merge two regions</em>
-<a class="jxr_linenumber" name="347" href="#347">347</a> List<HRegionInfo> regions = admin.getTableRegions(TABLE_NAME);
-<a class="jxr_linenumber" name="348" href="#348">348</a> Collections.sort(regions, <strong class="jxr_keyword">new</strong> Comparator<HRegionInfo>() {
-<a class="jxr_linenumber" name="349" href="#349">349</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">int</strong> compare(HRegionInfo r1, HRegionInfo r2) {
-<a class="jxr_linenumber" name="350" href="#350">350</a> <strong class="jxr_keyword">return</strong> Bytes.compareTo(r1.getStartKey(), r2.getStartKey());
-<a class="jxr_linenumber" name="351" href="#351">351</a> }
-<a class="jxr_linenumber" name="352" href="#352">352</a> });
-<a class="jxr_linenumber" name="353" href="#353">353</a>
-<a class="jxr_linenumber" name="354" href="#354">354</a> <strong class="jxr_keyword">int</strong> numRegions = admin.getTableRegions(TABLE_NAME).size();
-<a class="jxr_linenumber" name="355" href="#355">355</a> <strong class="jxr_keyword">int</strong> numRegionsAfterMerge = numRegions - 2;
-<a class="jxr_linenumber" name="356" href="#356">356</a> admin.mergeRegions(regions.get(1).getEncodedNameAsBytes(),
-<a class="jxr_linenumber" name="357" href="#357">357</a> regions.get(2).getEncodedNameAsBytes(), <strong class="jxr_keyword">true</strong>);
-<a class="jxr_linenumber" name="358" href="#358">358</a> admin.mergeRegions(regions.get(5).getEncodedNameAsBytes(),
-<a class="jxr_linenumber" name="359" href="#359">359</a> regions.get(6).getEncodedNameAsBytes(), <strong class="jxr_keyword">true</strong>);
-<a class="jxr_linenumber" name="360" href="#360">360</a>
-<a class="jxr_linenumber" name="361" href="#361">361</a> waitRegionsAfterMerge(numRegionsAfterMerge);
-<a class="jxr_linenumber" name="362" href="#362">362</a> assertEquals(numRegionsAfterMerge, admin.getTableRegions(TABLE_NAME).size());
-<a class="jxr_linenumber" name="363" href="#363">363</a>
-<a class="jxr_linenumber" name="364" href="#364">364</a> <em class="jxr_comment">// Take a snapshot</em>
-<a class="jxr_linenumber" name="365" href="#365">365</a> String snapshotName = <span class="jxr_string">"snapshotAfterMerge"</span>;
-<a class="jxr_linenumber" name="366" href="#366">366</a> SnapshotTestingUtils.snapshot(admin, snapshotName, TABLE_NAME.getNameAsString(),
-<a class="jxr_linenumber" name="367" href="#367">367</a> SnapshotDescription.Type.FLUSH, 3);
-<a class="jxr_linenumber" name="368" href="#368">368</a>
-<a class="jxr_linenumber" name="369" href="#369">369</a> <em class="jxr_comment">// Clone the table</em>
-<a class="jxr_linenumber" name="370" href="#370">370</a> TableName cloneName = TableName.valueOf(<span class="jxr_string">"cloneMerge"</span>);
-<a class="jxr_linenumber" name="371" href="#371">371</a> admin.cloneSnapshot(snapshotName, cloneName);
-<a class="jxr_linenumber" name="372" href="#372">372</a> SnapshotTestingUtils.waitForTableToBeOnline(UTIL, cloneName);
-<a class="jxr_linenumber" name="373" href="#373">373</a>
-<a class="jxr_linenumber" name="374" href="#374">374</a> verifyRowCount(UTIL, TABLE_NAME, numRows);
-<a class="jxr_linenumber" name="375" href="#375">375</a> verifyRowCount(UTIL, cloneName, numRows);
-<a class="jxr_linenumber" name="376" href="#376">376</a>
-<a class="jxr_linenumber" name="377" href="#377">377</a> <em class="jxr_comment">// test that we can delete the snapshot</em>
-<a class="jxr_linenumber" name="378" href="#378">378</a> UTIL.deleteTable(cloneName);
-<a class="jxr_linenumber" name="379" href="#379">379</a> }
-<a class="jxr_linenumber" name="380" href="#380">380</a>
-<a class="jxr_linenumber" name="381" href="#381">381</a> <em class="jxr_javadoccomment">/**</em>
-<a class="jxr_linenumber" name="382" href="#382">382</a> <em class="jxr_javadoccomment"> * Basic end-to-end test of simple-flush-based snapshots</em>
-<a class="jxr_linenumber" name="383" href="#383">383</a> <em class="jxr_javadoccomment"> */</em>
-<a class="jxr_linenumber" name="384" href="#384">384</a> @Test (timeout=300000)
-<a class="jxr_linenumber" name="385" href="#385">385</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> testFlushCreateListDestroy() <strong class="jxr_keyword">throws</strong> Exception {
-<a class="jxr_linenumber" name="386" href="#386">386</a> LOG.debug(<span class="jxr_string">"------- Starting Snapshot test -------------"</span>);
-<a class="jxr_linenumber" name="387" href="#387">387</a> Admin admin = UTIL.getHBaseAdmin();
-<a class="jxr_linenumber" name="388" href="#388">388</a> <em class="jxr_comment">// make sure we don't fail on listing snapshots</em>
-<a class="jxr_linenumber" name="389" href="#389">389</a> SnapshotTestingUtils.assertNoSnapshots(admin);
-<a class="jxr_linenumber" name="390" href="#390">390</a> <em class="jxr_comment">// load the table so we have some data</em>
-<a class="jxr_linenumber" name="391" href="#391">391</a> SnapshotTestingUtils.loadData(UTIL, TABLE_NAME, DEFAULT_NUM_ROWS, TEST_FAM);
-<a class="jxr_linenumber" name="392" href="#392">392</a>
-<a class="jxr_linenumber" name="393" href="#393">393</a> String snapshotName = <span class="jxr_string">"flushSnapshotCreateListDestroy"</span>;
-<a class="jxr_linenumber" name="394" href="#394">394</a> FileSystem fs = UTIL.getHBaseCluster().getMaster().getMasterFileSystem().getFileSystem();
-<a class="jxr_linenumber" name="395" href="#395">395</a> Path rootDir = UTIL.getHBaseCluster().getMaster().getMasterFileSystem().getRootDir();
-<a class="jxr_linenumber" name="396" href="#396">396</a> SnapshotTestingUtils.createSnapshotAndValidate(admin, TABLE_NAME, Bytes.toString(TEST_FAM),
-<a class="jxr_linenumber" name="397" href="#397">397</a> snapshotName, rootDir, fs, <strong class="jxr_keyword">true</strong>);
-<a class="jxr_linenumber" name="398" href="#398">398</a> }
-<a class="jxr_linenumber" name="399" href="#399">399</a>
-<a class="jxr_linenumber" name="400" href="#400">400</a> <em class="jxr_javadoccomment">/**</em>
-<a class="jxr_linenumber" name="401" href="#401">401</a> <em class="jxr_javadoccomment"> * Demonstrate that we reject snapshot requests if there is a snapshot already running on the</em>
-<a class="jxr_linenumber" name="402" href="#402">402</a> <em class="jxr_javadoccomment"> * same table currently running and that concurrent snapshots on different tables can both</em>
-<a class="jxr_linenumber" name="403" href="#403">403</a> <em class="jxr_javadoccomment"> * succeed concurretly.</em>
-<a class="jxr_linenumber" name="404" href="#404">404</a> <em class="jxr_javadoccomment"> */</em>
-<a class="jxr_linenumber" name="405" href="#405">405</a> @Test(timeout=300000)
-<a class="jxr_linenumber" name="406" href="#406">406</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> testConcurrentSnapshottingAttempts() <strong class="jxr_keyword">throws</strong> IOException, InterruptedException {
-<a class="jxr_linenumber" name="407" href="#407">407</a> <strong class="jxr_keyword">final</strong> TableName TABLE2_NAME = TableName.valueOf(TABLE_NAME + <span class="jxr_string">"2"</span>);
-<a class="jxr_linenumber" name="408" href="#408">408</a>
-<a class="jxr_linenumber" name="409" href="#409">409</a> <strong class="jxr_keyword">int</strong> ssNum = 20;
-<a class="jxr_linenumber" name="410" href="#410">410</a> Admin admin = UTIL.getHBaseAdmin();
-<a class="jxr_linenumber" name="411" href="#411">411</a> <em class="jxr_comment">// make sure we don't fail on listing snapshots</em>
-<a class="jxr_linenumber" name="412" href="#412">412</a> SnapshotTestingUtils.assertNoSnapshots(admin);
-<a class="jxr_linenumber" name="413" href="#413">413</a> <em class="jxr_comment">// create second testing table</em>
-<a class="jxr_linenumber" name="414" href="#414">414</a> SnapshotTestingUtils.createTable(UTIL, TABLE2_NAME, TEST_FAM);
-<a class="jxr_linenumber" name="415" href="#415">415</a> <em class="jxr_comment">// load the table so we have some data</em>
-<a class="jxr_linenumber" name="416" href="#416">416</a> SnapshotTestingUtils.loadData(UTIL, TABLE_NAME, DEFAULT_NUM_ROWS, TEST_FAM);
-<a class="jxr_linenumber" name="417" href="#417">417</a> SnapshotTestingUtils.loadData(UTIL, TABLE2_NAME, DEFAULT_NUM_ROWS, TEST_FAM);
-<a class="jxr_linenumber" name="418" href="#418">418</a>
-<a class="jxr_linenumber" name="419" href="#419">419</a> <strong class="jxr_keyword">final</strong> CountDownLatch toBeSubmitted = <strong class="jxr_keyword">new</strong> CountDownLatch(ssNum);
-<a class="jxr_linenumber" name="420" href="#420">420</a> <em class="jxr_comment">// We'll have one of these per thread</em>
-<a class="jxr_linenumber" name="421" href="#421">421</a> <strong class="jxr_keyword">class</strong> <a href="../../../../../org/apache/hadoop/hbase/snapshot/TestFlushSnapshotFromClient.html">SSRunnable</a> <strong class="jxr_keyword">implements</strong> Runnable {
-<a class="jxr_linenumber" name="422" href="#422">422</a> SnapshotDescription ss;
-<a class="jxr_linenumber" name="423" href="#423">423</a> <a href="../../../../../org/apache/hadoop/hbase/snapshot/TestFlushSnapshotFromClient.html">SSRunnable</a>(SnapshotDescription ss) {
-<a class="jxr_linenumber" name="424" href="#424">424</a> <strong class="jxr_keyword">this</strong>.ss = ss;
-<a class="jxr_linenumber" name="425" href="#425">425</a> }
-<a class="jxr_linenumber" name="426" href="#426">426</a>
-<a class="jxr_linenumber" name="427" href="#427">427</a> @Override
-<a class="jxr_linenumber" name="428" href="#428">428</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> run() {
-<a class="jxr_linenumber" name="429" href="#429">429</a> <strong class="jxr_keyword">try</strong> {
-<a class="jxr_linenumber" name="430" href="#430">430</a> Admin admin = UTIL.getHBaseAdmin();
-<a class="jxr_linenumber" name="431" href="#431">431</a> LOG.info(<span class="jxr_string">"Submitting snapshot request: "</span> + ClientSnapshotDescriptionUtils.toString(ss));
-<a class="jxr_linenumber" name="432" href="#432">432</a> admin.takeSnapshotAsync(ss);
-<a class="jxr_linenumber" name="433" href="#433">433</a> } <strong class="jxr_keyword">catch</strong> (Exception e) {
-<a class="jxr_linenumber" name="434" href="#434">434</a> LOG.info(<span class="jxr_string">"Exception during snapshot request: "</span> + ClientSnapshotDescriptionUtils.toString(
-<a class="jxr_linenumber" name="435" href="#435">435</a> ss)
-<a class="jxr_linenumber" name="436" href="#436">436</a> + <span class="jxr_string">". This is ok, we expect some"</span>, e);
-<a class="jxr_linenumber" name="437" href="#437">437</a> }
-<a class="jxr_linenumber" name="438" href="#438">438</a> LOG.info(<span class="jxr_string">"Submitted snapshot request: "</span> + ClientSnapshotDescriptionUtils.toString(ss));
-<a class="jxr_linenumber" name="439" href="#439">439</a> toBeSubmitted.countDown();
-<a class="jxr_linenumber" name="440" href="#440">440</a> }
-<a class="jxr_linenumber" name="441" href="#441">441</a> };
-<a class="jxr_linenumber" name="442" href="#442">442</a>
-<a class="jxr_linenumber" name="443" href="#443">443</a> <em class="jxr_comment">// build descriptions</em>
-<a class="jxr_linenumber" name="444" href="#444">444</a> SnapshotDescription[] descs = <strong class="jxr_keyword">new</strong> SnapshotDescription[ssNum];
-<a class="jxr_linenumber" name="445" href="#445">445</a> <strong class="jxr_keyword">for</strong> (<strong class="jxr_keyword">int</strong> i = 0; i < ssNum; i++) {
-<a class="jxr_linenumber" name="446" href="#446">446</a> SnapshotDescription.Builder builder = SnapshotDescription.newBuilder();
-<a class="jxr_linenumber" name="447" href="#447">447</a> builder.setTable(((i % 2) == 0 ? TABLE_NAME : TABLE2_NAME).getNameAsString());
-<a class="jxr_linenumber" name="448" href="#448">448</a> builder.setName(<span class="jxr_string">"ss"</span>+i);
-<a class="jxr_linenumber" name="449" href="#449">449</a> builder.setType(SnapshotDescription.Type.FLUSH);
-<a class="jxr_linenumber" name="450" href="#450">450</a> descs[i] = builder.build();
-<a class="jxr_linenumber" name="451" href="#451">451</a> }
-<a class="jxr_linenumber" name="452" href="#452">452</a>
-<a class="jxr_linenumber" name="453" href="#453">453</a> <em class="jxr_comment">// kick each off its own thread</em>
-<a class="jxr_linenumber" name="454" href="#454">454</a> <strong class="jxr_keyword">for</strong> (<strong class="jxr_keyword">int</strong> i=0 ; i < ssNum; i++) {
-<a class="jxr_linenumber" name="455" href="#455">455</a> <strong class="jxr_keyword">new</strong> Thread(<strong class="jxr_keyword">new</strong> <a href="../../../../../org/apache/hadoop/hbase/snapshot/TestFlushSnapshotFromClient.html">SSRunnable</a>(descs[i])).start();
-<a class="jxr_linenumber" name="456" href="#456">456</a> }
-<a class="jxr_linenumber" name="457" href="#457">457</a>
-<a class="jxr_linenumber" name="458" href="#458">458</a> <em class="jxr_comment">// wait until all have been submitted</em>
-<a class="jxr_linenumber" name="459" href="#459">459</a> toBeSubmitted.await();
-<a class="jxr_linenumber" name="460" href="#460">460</a>
-<a class="jxr_linenumber" name="461" href="#461">461</a> <em class="jxr_comment">// loop until all are done.</em>
-<a class="jxr_linenumber" name="462" href="#462">462</a> <strong class="jxr_keyword">while</strong> (<strong class="jxr_keyword">true</strong>) {
-<a class="jxr_linenumber" name="463" href="#463">463</a> <strong class="jxr_keyword">int</strong> doneCount = 0;
-<a class="jxr_linenumber" name="464" href="#464">464</a> <strong class="jxr_keyword">for</strong> (SnapshotDescription ss : descs) {
-<a class="jxr_linenumber" name="465" href="#465">465</a> <strong class="jxr_keyword">try</strong> {
-<a class="jxr_linenumber" name="466" href="#466">466</a> <strong class="jxr_keyword">if</strong> (admin.isSnapshotFinished(ss)) {
-<a class="jxr_linenumber" name="467" href="#467">467</a> doneCount++;
-<a class="jxr_linenumber" name="468" href="#468">468</a> }
-<a class="jxr_linenumber" name="469" href="#469">469</a> } <strong class="jxr_keyword">catch</strong> (Exception e) {
-<a class="jxr_linenumber" name="470" href="#470">470</a> LOG.warn(<span class="jxr_string">"Got an exception when checking for snapshot "</span> + ss.getName(), e);
-<a class="jxr_linenumber" name="471" href="#471">471</a> doneCount++;
-<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> <strong class="jxr_keyword">if</strong> (doneCount == descs.length) {
-<a class="jxr_linenumber" name="475" href="#475">475</a> <strong class="jxr_keyword">break</strong>;
-<a class="jxr_linenumber" name="476" href="#476">476</a> }
-<a class="jxr_linenumber" name="477" href="#477">477</a> Thread.sleep(100);
-<a class="jxr_linenumber" name="478" href="#478">478</a> }
-<a class="jxr_linenumber" name="479" href="#479">479</a>
-<a class="jxr_linenumber" name="480" href="#480">480</a> <em class="jxr_comment">// dump for debugging</em>
-<a class="jxr_linenumber" name="481" href="#481">481</a> UTIL.getHBaseCluster().getMaster().getMasterFileSystem().logFileSystemState(LOG);
-<a class="jxr_linenumber" name="482" href="#482">482</a>
-<a class="jxr_linenumber" name="483" href="#483">483</a> List<SnapshotDescription> taken = admin.listSnapshots();
-<a class="jxr_linenumber" name="484" href="#484">484</a> <strong class="jxr_keyword">int</strong> takenSize = taken.size();
-<a class="jxr_linenumber" name="485" href="#485">485</a> LOG.info(<span class="jxr_string">"Taken "</span> + takenSize + <span class="jxr_string">" snapshots: "</span> + taken);
-<a class="jxr_linenumber" name="486" href="#486">486</a> assertTrue(<span class="jxr_string">"We expect at least 1 request to be rejected because of we concurrently"</span> +
-<a class="jxr_linenumber" name="487" href="#487">487</a> <span class="jxr_string">" issued many requests"</span>, takenSize < ssNum && takenSize > 0);
-<a class="jxr_linenumber" name="488" href="#488">488</a>
-<a class="jxr_linenumber" name="489" href="#489">489</a> <em class="jxr_comment">// Verify that there's at least one snapshot per table</em>
-<a class="jxr_linenumber" name="490" href="#490">490</a> <strong class="jxr_keyword">int</strong> t1SnapshotsCount = 0;
-<a class="jxr_linenumber" name="491" href="#491">491</a> <strong class="jxr_keyword">int</strong> t2SnapshotsCount = 0;
-<a class="jxr_linenumber" name="492" href="#492">492</a> <strong class="jxr_keyword">for</strong> (SnapshotDescription ss : taken) {
-<a class="jxr_linenumber" name="493" href="#493">493</a> <strong class="jxr_keyword">if</strong> (TableName.valueOf(ss.getTable()).equals(TABLE_NAME)) {
-<a class="jxr_linenumber" name="494" href="#494">494</a> t1SnapshotsCount++;
-<a class="jxr_linenumber" name="495" href="#495">495</a> } <strong class="jxr_keyword">else</strong> <strong class="jxr_keyword">if</strong> (TableName.valueOf(ss.getTable()).equals(TABLE2_NAME)) {
-<a class="jxr_linenumber" name="496" href="#496">496</a> t2SnapshotsCount++;
-<a class="jxr_linenumber" name="497" href="#497">497</a> }
-<a class="jxr_linenumber" name="498" href="#498">498</a> }
-<a class="jxr_linenumber" name="499" href="#499">499</a> assertTrue(<span class="jxr_string">"We expect at least 1 snapshot of table1 "</span>, t1SnapshotsCount > 0);
-<a class="jxr_linenumber" name="500" href="#500">500</a> assertTrue(<span class="jxr_string">"We expect at least 1 snapshot of table2 "</span>, t2SnapshotsCount > 0);
-<a class="jxr_linenumber" name="501" href="#501">501</a>
-<a class="jxr_linenumber" name="502" href="#502">502</a> UTIL.deleteTable(TABLE2_NAME);
-<a class="jxr_linenumber" name="503" href="#503">503</a> }
-<a class="jxr_linenumber" name="504" href="#504">504</a>
-<a class="jxr_linenumber" name="505" href="#505">505</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">void</strong> waitRegionsAfterMerge(<strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">long</strong> numRegionsAfterMerge)
-<a class="jxr_linenumber" name="506" href="#506">506</a> <strong class="jxr_keyword">throws</strong> IOException, InterruptedException {
-<a class="jxr_linenumber" name="507" href="#507">507</a> Admin admin = UTIL.getHBaseAdmin();
-<a class="jxr_linenumber" name="508" href="#508">508</a> <em class="jxr_comment">// Verify that there's one region less</em>
-<a class="jxr_linenumber" name="509" href="#509">509</a> <strong class="jxr_keyword">long</strong> startTime = System.currentTimeMillis();
-<a class="jxr_linenumber" name="510" href="#510">510</a> <strong class="jxr_keyword">while</strong> (admin.getTableRegions(TABLE_NAME).size() != numRegionsAfterMerge) {
-<a class="jxr_linenumber" name="511" href="#511">511</a> <em class="jxr_comment">// This may be flaky... if after 15sec the merge is not complete give up</em>
-<a class="jxr_linenumber" name="512" href="#512">512</a> <em class="jxr_comment">// it will fail in the assertEquals(numRegionsAfterMerge).</em>
-<a class="jxr_linenumber" name="513" href="#513">513</a> <strong class="jxr_keyword">if</strong> ((System.currentTimeMillis() - startTime) > 15000)
-<a class="jxr_linenumber" name="514" href="#514">514</a> <strong class="jxr_keyword">break</strong>;
-<a class="jxr_linenumber" name="515" href="#515">515</a> Thread.sleep(100);
-<a class="jxr_linenumber" name="516" href="#516">516</a> }
-<a class="jxr_linenumber" name="517" href="#517">517</a> SnapshotTestingUtils.waitForTableToBeOnline(UTIL, TABLE_NAME);
-<a class="jxr_linenumber" name="518" href="#518">518</a> }
-<a class="jxr_linenumber" name="519" href="#519">519</a>
+<a class="jxr_linenumber" name="223" href="#223">223</a>
+<a class="jxr_linenumber" name="224" href="#224">224</a> LOG.debug(<span class="jxr_string">"Snapshot completed."</span>);
+<a class="jxr_linenumber" name="225" href="#225">225</a>
+<a class="jxr_linenumber" name="226" href="#226">226</a> <em class="jxr_comment">// make sure we have the snapshot</em>
+<a class="jxr_linenumber" name="227" href="#227">227</a> List<SnapshotDescription> snapshots = SnapshotTestingUtils.assertOneSnapshotThatMatches(admin,
+<a class="jxr_linenumber" name="228" href="#228">228</a> snapshot, TABLE_NAME);
+<a class="jxr_linenumber" name="229" href="#229">229</a>
+<a class="jxr_linenumber" name="230" href="#230">230</a> <em class="jxr_comment">// make sure its a valid snapshot</em>
+<a class="jxr_linenumber" name="231" href="#231">231</a> LOG.debug(<span class="jxr_string">"FS state after snapshot:"</span>);
+<a class="jxr_linenumber" name="232" href="#232">232</a> UTIL.getHBaseCluster().getMaster().getMasterFileSystem().logFileSystemState(LOG);
+<a class="jxr_linenumber" name="233" href="#233">233</a>
+<a class="jxr_linenumber" name="234" href="#234">234</a> SnapshotTestingUtils.confirmSnapshotValid(UTIL, snapshots.get(0), TABLE_NAME, TEST_FAM);
+<a class="jxr_linenumber" name="235" href="#235">235</a> }
+<a class="jxr_linenumber" name="236" href="#236">236</a>
+<a class="jxr_linenumber" name="237" href="#237">237</a> @Test (timeout=300000)
+<a class="jxr_linenumber" name="238" href="#238">238</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> testSnapshotFailsOnNonExistantTable() <strong class="jxr_keyword">throws</strong> Exception {
+<a class="jxr_linenumber" name="239" href="#239">239</a> Admin admin = UTIL.getHBaseAdmin();
+<a class="jxr_linenumber" name="240" href="#240">240</a> <em class="jxr_comment">// make sure we don't fail on listing snapshots</em>
+<a class="jxr_linenumber" name="241" href="#241">241</a> SnapshotTestingUtils.assertNoSnapshots(admin);
+<a class="jxr_linenumber" name="242" href="#242">242</a> TableName tableName = TableName.valueOf(<span class="jxr_string">"_not_a_table"</span>);
+<a class="jxr_linenumber" name="243" href="#243">243</a>
+<a class="jxr_linenumber" name="244" href="#244">244</a> <em class="jxr_comment">// make sure the table doesn't exist</em>
+<a class="jxr_linenumber" name="245" href="#245">245</a> <strong class="jxr_keyword">boolean</strong> fail = false;
+<a class="jxr_linenumber" name="246" href="#246">246</a> <strong class="jxr_keyword">do</strong> {
+<a class="jxr_linenumber" name="247" href="#247">247</a> <strong class="jxr_keyword">try</strong> {
+<a class="jxr_linenumber" name="248" href="#248">248</a> admin.getTableDescriptor(tableName);
+<a class="jxr_linenumber" name="249" href="#249">249</a> fail = <strong class="jxr_keyword">true</strong>;
+<a class="jxr_linenumber" name="250" href="#250">250</a> LOG.error(<span class="jxr_string">"Table:"</span> + tableName + <span class="jxr_string">" already exists, checking a new name"</span>);
+<a class="jxr_linenumber" name="251" href="#251">251</a> tableName = TableName.valueOf(tableName+<span class="jxr_string">"!"</span>);
+<a class="jxr_linenumber" name="252" href="#252">252</a> } <strong class="jxr_keyword">catch</strong> (TableNotFoundException e) {
+<a class="jxr_linenumber" name="253" href="#253">253</a> fail = false;
+<a class="jxr_linenumber" name="254" href="#254">254</a> }
+<a class="jxr_linenumber" name="255" href="#255">255</a> } <strong class="jxr_keyword">while</strong> (fail);
+<a class="jxr_linenumber" name="256" href="#256">256</a>
+<a class="jxr_linenumber" name="257" href="#257">257</a> <em class="jxr_comment">// snapshot the non-existant table</em>
+<a class="jxr_linenumber" name="258" href="#258">258</a> <strong class="jxr_keyword">try</strong> {
+<a class="jxr_linenumber" name="259" href="#259">259</a> admin.snapshot(<span class="jxr_string">"fail"</span>, tableName, SnapshotDescription.Type.FLUSH);
+<a class="jxr_linenumber" name="260" href="#260">260</a> fail(<span class="jxr_string">"Snapshot succeeded even though there is not table."</span>);
+<a class="jxr_linenumber" name="261" href="#261">261</a> } <strong class="jxr_keyword">catch</strong> (SnapshotCreationException e) {
+<a class="jxr_linenumber" name="262" href="#262">262</a> LOG.info(<span class="jxr_string">"Correctly failed to snapshot a non-existant table:"</span> + e.getMessage());
+<a class="jxr_linenumber" name="263" href="#263">263</a> }
+<a class="jxr_linenumber" name="264" href="#264">264</a> }
+<a class="jxr_linenumber" name="265" href="#265">265</a>
+<a class="jxr_linenumber" name="266" href="#266">266</a> @Test(timeout = 300000)
+<a class="jxr_linenumber" name="267" href="#267">267</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> testAsyncFlushSnapshot() <strong class="jxr_keyword">throws</strong> Exception {
+<a class="jxr_linenumber" name="268" href="#268">268</a> Admin admin = UTIL.getHBaseAdmin();
+<a class="jxr_linenumber" name="269" href="#269">269</a> SnapshotDescription snapshot = SnapshotDescription.newBuilder().setName(<span class="jxr_string">"asyncSnapshot"</span>)
+<a class="jxr_linenumber" name="270" href="#270">270</a> .setTable(TABLE_NAME.getNameAsString())
+<a class="jxr_linenumber" name="271" href="#271">271</a> .setType(SnapshotDescription.Type.FLUSH)
+<a class="jxr_linenumber" name="272" href="#272">272</a> .build();
+<a class="jxr_linenumber" name="273" href="#273">273</a>
+<a class="jxr_linenumber" name="274" href="#274">274</a> <em class="jxr_comment">// take the snapshot async</em>
+<a class="jxr_linenumber" name="275" href="#275">275</a> admin.takeSnapshotAsync(snapshot);
+<a class="jxr_linenumber" name="276" href="#276">276</a>
+<a class="jxr_linenumber" name="277" href="#277">277</a> <em class="jxr_comment">// constantly loop, looking for the snapshot to complete</em>
+<a class="jxr_linenumber" name="278" href="#278">278</a> HMaster master = UTIL.getMiniHBaseCluster().getMaster();
+<a class="jxr_linenumber" name="279" href="#279">279</a> SnapshotTestingUtils.waitForSnapshotToComplete(master, snapshot, 200);
+<a class="jxr_linenumber" name="280" href="#280">280</a> LOG.info(<span class="jxr_string">" === Async Snapshot Completed ==="</span>);
+<a class="jxr_linenumber" name="281" href="#281">281</a> UTIL.getHBaseCluster().getMaster().getMasterFileSystem().logFileSystemState(LOG);
+<a class="jxr_linenumber" name="282" href="#282">282</a>
+<a class="jxr_linenumber" name="283" href="#283">283</a> <em class="jxr_comment">// make sure we get the snapshot</em>
+<a class="jxr_linenumber" name="284" href="#284">284</a> SnapshotTestingUtils.assertOneSnapshotThatMatches(admin, snapshot);
+<a class="jxr_linenumber" name="285" href="#285">285</a> }
+<a class="jxr_linenumber" name="286" href="#286">286</a>
+<a class="jxr_linenumber" name="287" href="#287">287</a> @Test (timeout=300000)
+<a class="jxr_linenumber" name="288" href="#288">288</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> testSnapshotStateAfterMerge() <strong class="jxr_keyword">throws</strong> Exception {
+<a class="jxr_linenumber" name="289" href="#289">289</a> <strong class="jxr_keyword">int</strong> numRows = DEFAULT_NUM_ROWS;
+<a class="jxr_linenumber" name="290" href="#290">290</a> Admin admin = UTIL.getHBaseAdmin();
+<a class="jxr_linenumber" name="291" href="#291">291</a> <em class="jxr_comment">// make sure we don't fail on listing snapshots</em>
+<a class="jxr_linenumber" name="292" href="#292">292</a> SnapshotTestingUtils.assertNoSnapshots(admin);
+<a class="jxr_linenumber" name="293" href="#293">293</a> <em class="jxr_comment">// load the table so we have some data</em>
+<a class="jxr_linenumber" name="294" href="#294">294</a> SnapshotTestingUtils.loadData(UTIL, TABLE_NAME, numRows, TEST_FAM);
+<a class="jxr_linenumber" name="295" href="#295">295</a>
+<a class="jxr_linenumber" name="296" href="#296">296</a> <em class="jxr_comment">// Take a snapshot</em>
+<a class="jxr_linenumber" name="297" href="#297">297</a> String snapshotBeforeMergeName = <span class="jxr_string">"snapshotBeforeMerge"</span>;
+<a class="jxr_linenumber" name="298" href="#298">298</a> admin.snapshot(snapshotBeforeMergeName, TABLE_NAME, SnapshotDescription.Type.FLUSH);
+<a class="jxr_linenumber" name="299" href="#299">299</a>
+<a class="jxr_linenumber" name="300" href="#300">300</a> <em class="jxr_comment">// Clone the table</em>
+<a class="jxr_linenumber" name="301" href="#301">301</a> TableName cloneBeforeMergeName = TableName.valueOf(<span class="jxr_string">"cloneBeforeMerge"</span>);
+<a class="jxr_linenumber" name="302" href="#302">302</a> admin.cloneSnapshot(snapshotBeforeMergeName, cloneBeforeMergeName);
+<a class="jxr_linenumber" name="303" href="#303">303</a> SnapshotTestingUtils.waitForTableToBeOnline(UTIL, cloneBeforeMergeName);
+<a class="jxr_linenumber" name="304" href="#304">304</a>
+<a class="jxr_linenumber" name="305" href="#305">305</a> <em class="jxr_comment">// Merge two regions</em>
+<a class="jxr_linenumber" name="306" href="#306">306</a> List<HRegionInfo> regions = admin.getTableRegions(TABLE_NAME);
+<a class="jxr_linenumber" name="307" href="#307">307</a> Collections.sort(regions, <strong class="jxr_keyword">new</strong> Comparator<HRegionInfo>() {
+<a class="jxr_linenumber" name="308" href="#308">308</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">int</strong> compare(HRegionInfo r1, HRegionInfo r2) {
+<a class="jxr_linenumber" name="309" href="#309">309</a> <strong class="jxr_keyword">return</strong> Bytes.compareTo(r1.getStartKey(), r2.getStartKey());
+<a class="jxr_linenumber" name="310" href="#310">310</a> }
+<a class="jxr_linenumber" name="311" href="#311">311</a> });
+<a class="jxr_linenumber" name="312" href="#312">312</a>
+<a class="jxr_linenumber" name="313" href="#313">313</a> <strong class="jxr_keyword">int</strong> numRegions = admin.getTableRegions(TABLE_NAME).size();
+<a class="jxr_linenumber" name="314" href="#314">314</a> <strong class="jxr_keyword">int</strong> numRegionsAfterMerge = numRegions - 2;
+<a class="jxr_linenumber" name="315" href="#315">315</a> admin.mergeRegions(regions.get(1).getEncodedNameAsBytes(),
+<a class="jxr_linenumber" name="316" href="#316">316</a> regions.get(2).getEncodedNameAsBytes(), <strong class="jxr_keyword">true</strong>);
+<a class="jxr_linenumber" name="317" href="#317">317</a> admin.mergeRegions(regions.get(5).getEncodedNameAsBytes(),
+<a class="jxr_linenumber" name="318" href="#318">318</a> regions.get(6).getEncodedNameAsBytes(), <strong class="jxr_keyword">true</strong>);
+<a class="jxr_linenumber" name="319" href="#319">319</a>
+<a class="jxr_linenumber" name="320" href="#320">320</a> <em class="jxr_comment">// Verify that there's one region less</em>
+<a class="jxr_linenumber" name="321" href="#321">321</a> waitRegionsAfterMerge(numRegionsAfterMerge);
+<a class="jxr_linenumber" name="322" href="#322">322</a> assertEquals(numRegionsAfterMerge, admin.getTableRegions(TABLE_NAME).size());
+<a class="jxr_linenumber" name="323" href="#323">323</a>
+<a class="jxr_linenumber" name="324" href="#324">324</a> <em class="jxr_comment">// Clone the table</em>
+<a class="jxr_linenumber" name="325" href="#325">325</a> TableName cloneAfterMergeName = TableName.valueOf(<span class="jxr_string">"cloneAfterMerge"</span>);
+<a class="jxr_linenumber" name="326" href="#326">326</a> admin.cloneSnapshot(snapshotBeforeMergeName, cloneAfterMergeName);
+<a class="jxr_linenumber" name="327" href="#327">327</a> SnapshotTestingUtils.waitForTableToBeOnline(UTIL, cloneAfterMergeName);
+<a class="jxr_linenumber" name="328" href="#328">328</a>
+<a class="jxr_linenumber" name="329" href="#329">329</a> verifyRowCount(UTIL, TABLE_NAME, numRows);
+<a class="jxr_linenumber" name="330" href="#330">330</a> verifyRowCount(UTIL, cloneBeforeMergeName, numRows);
+<a class="jxr_linenumber" name="331" href="#331">331</a> verifyRowCount(UTIL, cloneAfterMergeName, numRows);
+<a class="jxr_linenumber" name="332" href="#332">332</a>
+<a class="jxr_linenumber" name="333" href="#333">333</a> <em class="jxr_comment">// test that we can delete the snapshot</em>
+<a class="jxr_linenumber" name="334" href="#334">334</a> UTIL.deleteTable(cloneAfterMergeName);
+<a class="jxr_linenumber" name="335" href="#335">335</a> UTIL.deleteTable(cloneBeforeMergeName);
+<a class="jxr_linenumber" name="336" href="#336">336</a> }
+<a class="jxr_linenumber" name="337" href="#337">337</a>
+<a class="jxr_linenumber" name="338" href="#338">338</a> @Test (timeout=300000)
+<a class="jxr_linenumber" name="339" href="#339">339</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> testTakeSnapshotAfterMerge() <strong class="jxr_keyword">throws</strong> Exception {
+<a class="jxr_linenumber" name="340" href="#340">340</a> <strong class="jxr_keyword">int</strong> numRows = DEFAULT_NUM_ROWS;
+<a class="jxr_linenumber" name="341" href="#341">341</a> Admin admin = UTIL.getHBaseAdmin();
+<a class="jxr_linenumber" name="342" href="#342">342</a> <em class="jxr_comment">// make sure we don't fail on listing snapshots</em>
+<a class="jxr_linenumber" name="343" href="#343">343</a> SnapshotTestingUtils.assertNoSnapshots(admin);
+<a class="jxr_linenumber" name="344" href="#344">344</a> <em class="jxr_comment">// load the table so we have some data</em>
+<a class="jxr_linenumber" name="345" href="#345">345</a> SnapshotTestingUtils.loadData(UTIL, TABLE_NAME, numRows, TEST_FAM);
+<a class="jxr_linenumber" name="346" href="#346">346</a>
+<a class="jxr_linenumber" name="347" href="#347">347</a> <em class="jxr_comment">// Merge two regions</em>
+<a class="jxr_linenumber" name="348" href="#348">348</a> List<HRegionInfo> regions = admin.getTableRegions(TABLE_NAME);
+<a class="jxr_linenumber" name="349" href="#349">349</a> Collections.sort(regions, <strong class="jxr_keyword">new</strong> Comparator<HRegionInfo>() {
+<a class="jxr_linenumber" name="350" href="#350">350</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">int</strong> compare(HRegionInfo r1, HRegionInfo r2) {
+<a class="jxr_linenumber" name="351" href="#351">351</a> <strong class="jxr_keyword">return</strong> Bytes.compareTo(r1.getStartKey(), r2.getStartKey());
+<a class="jxr_linenumber" name="352" href="#352">352</a> }
+<a class="jxr_linenumber" name="353" href="#353">353</a> });
+<a class="jxr_linenumber" name="354" href="#354">354</a>
+<a class="jxr_linenumber" name="355" href="#355">355</a> <strong class="jxr_keyword">int</strong> numRegions = admin.getTableRegions(TABLE_NAME).size();
+<a class="jxr_linenumber" name="356" href="#356">356</a> <strong class="jxr_keyword">int</strong> numRegionsAfterMerge = numRegions - 2;
+<a class="jxr_linenumber" name="357" href="#357">357</a> admin.mergeRegions(regions.get(1).getEncodedNameAsBytes(),
+<a class="jxr_linenumber" name="358" href="#358">358</a> regions.get(2).getEncodedNameAsBytes(), <strong class="jxr_keyword">true</strong>);
+<a class="jxr_linenumber" name="359" href="#359">359</a> admin.mergeRegions(regions.get(5).getEncodedNameAsBytes(),
+<a class="jxr_linenumber" name="360" href="#360">360</a> regions.get(6).getEncodedNameAsBytes(), <strong class="jxr_keyword">true</strong>);
+<a class="jxr_linenumber" name="361" href="#361">361</a>
+<a class="jxr_linenumber" name="362" href="#362">362</a> waitRegionsAfterMerge(numRegionsAfterMerge);
+<a class="jxr_linenumber" name="363" href="#363">363</a> assertEquals(numRegionsAfterMerge, admin.getTableRegions(TABLE_NAME).size());
+<a class="jxr_linenumber" name="364" href="#364">364</a>
+<a class="jxr_linenumber" name="365" href="#365">365</a> <em class="jxr_comment">// Take a snapshot</em>
+<a class="jxr_linenumber" name="366" href="#366">366</a> String snapshotName = <span class="jxr_string">"snapshotAfterMerge"</span>;
+<a class="jxr_linenumber" name="367" href="#367">367</a> SnapshotTestingUtils.snapshot(admin, snapshotName, TABLE_NAME.getNameAsString(),
+<a class="jxr_linenumber" name="368" href="#368">368</a> SnapshotDescription.Type.FLUSH, 3);
+<a class="jxr_linenumber" name="369" href="#369">369</a>
+<a class="jxr_linenumber" name="370" href="#370">370</a> <em class="jxr_comment">// Clone the table</em>
+<a class="jxr_linenumber" name="371" href="#371">371</a> TableName cloneName = TableName.valueOf(<span class="jxr_string">"cloneMerge"</span>);
+<a class="jxr_linenumber" name="372" href="#372">372</a> admin.cloneSnapshot(snapshotName, cloneName);
+<a class="jxr_linenumber" name="373" href="#373">373</a> SnapshotTestingUtils.waitForTableToBeOnline(UTIL, cloneName);
+<a class="jxr_linenumber" name="374" href="#374">374</a>
+<a class="jxr_linenumber" name="375" href="#375">375</a> verifyRowCount(UTIL, TABLE_NAME, numRows);
+<a class="jxr_linenumber" name="376" href="#376">376</a> verifyRowCount(UTIL, cloneName, numRows);
+<a class="jxr_linenumber" name="377" href="#377">377</a>
+<a class="jxr_linenumber" name="378" href="#378">378</a> <em class="jxr_comment">// test that we can delete the snapshot</em>
+<a class="jxr_linenumber" name="379" href="#379">379</a> UTIL.deleteTable(cloneName);
+<a class="jxr_linenumber" name="380" href="#380">380</a> }
+<a class="jxr_linenumber" name="381" href="#381">381</a>
+<a class="jxr_linenumber" name="382" href="#382">382</a> <em class="jxr_javadoccomment">/**</em>
+<a class="jxr_linenumber" name="383" href="#383">383</a> <em class="jxr_javadoccomment"> * Basic end-to-end test of simple-flush-based snapshots</em>
+<a class="jxr_linenumber" name="384" href="#384">384</a> <em class="jxr_javadoccomment"> */</em>
+<a class="jxr_linenumber" name="385" href="#385">385</a> @Test (timeout=300000)
+<a class="jxr_linenumber" name="386" href="#386">386</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> testFlushCreateListDestroy() <strong class="jxr_keyword">throws</strong> Exception {
+<a class="jxr_linenumber" name="387" href="#387">387</a> LOG.debug(<span class="jxr_string">"------- Starting Snapshot test -------------"</span>);
+<a class="jxr_linenumber" name="388" href="#388">388</a> Admin admin = UTIL.getHBaseAdmin();
+<a class="jxr_linenumber" name="389" href="#389">389</a> <em class="jxr_comment">// make sure we don't fail on listing snapshots</em>
+<a class="jxr_linenumber" name="390" href="#390">390</a> SnapshotTestingUtils.assertNoSnapshots(admin);
+<a class="jxr_linenumber" name="391" href="#391">391</a> <em class="jxr_comment">// load the table so we have some data</em>
+<a class="jxr_linenumber" name="392" href="#392">392</a> SnapshotTestingUtils.loadData(UTIL, TABLE_NAME, DEFAULT_NUM_ROWS, TEST_FAM);
+<a class="jxr_linenumber" name="393" href="#393">393</a>
+<a class="jxr_linenumber" name="394" href="#394">394</a> String snapshotName = <span class="jxr_string">"flushSnapshotCreateListDestroy"</span>;
+<a class="jxr_linenumber" name="395" href="#395">395</a> FileSystem fs = UTIL.getHBaseCluster().getMaster().getMasterFileSystem().getFileSystem();
+<a class="jxr_linenumber" name="396" href="#396">396</a> Path rootDir = UTIL.getHBaseCluster().getMaster().getMasterFileSystem().getRootDir();
+<a class="jxr_linenumber" name="397" href="#397">397</a> SnapshotTestingUtils.createSnapshotAndValidate(admin, TABLE_NAME, Bytes.toString(TEST_FAM),
+<a class="jxr_linenumber" name="398" href="#398">398</a> snapshotName, rootDir, fs, <strong class="jxr_keyword">true</strong>);
+<a class="jxr_linenumber" name="399" href="#399">399</a> }
+<a class="jxr_linenumber" name="400" href="#400">400</a>
+<a class="jxr_linenumber" name="401" href="#401">401</a> <em class="jxr_javadoccomment">/**</em>
+<a class="jxr_linenumber" name="402" href="#402">402</a> <em class="jxr_javadoccomment"> * Demonstrate that we reject snapshot requests if there is a snapshot already running on the</em>
+<a class="jxr_linenumber" name="403" href="#403">403</a> <em class="jxr_javadoccomment"> * same table currently running and that concurrent snapshots on different tables can both</em>
+<a class="jxr_linenumber" name="404" href="#404">404</a> <em class="jxr_javadoccomment"> * succeed concurretly.</em>
+<a class="jxr_linenumber" name="405" href="#405">405</a> <em class="jxr_javadoccomment"> */</em>
+<a class="jxr_linenumber" name="406" href="#406">406</a> @Test(timeout=300000)
+<a class="jxr_linenumber" name="407" href="#407">407</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> testConcurrentSnapshottingAttempts() <strong class="jxr_keyword">throws</strong> IOException, InterruptedException {
+<a class="jxr_linenumber" name="408" href="#408">408</a> <strong class="jxr_keyword">final</strong> TableName TABLE2_NAME = TableName.valueOf(TABLE_NAME + <span class="jxr_string">"2"</span>);
+<a class="jxr_linenumber" name="409" href="#409">409</a>
+<a class="jxr_linenumber" name="410" href="#410">410</a> <strong class="jxr_keyword">int</strong> ssNum = 20;
+<a class="jxr_linenumber" name="411" href="#411">411</a> Admin admin = UTIL.getHBaseAdmin();
+<a class="jxr_linenumber" name="412" href="#412">412</a> <em class="jxr_comment">// make sure we don't fail on listing snapshots</em>
+<a class="jxr_linenumber" name="413" href="#413">413</a> SnapshotTestingUtils.assertNoSnapshots(admin);
+<a class="jxr_linenumber" name="414" href="#414">414</a> <em class="jxr_comment">// create second testing table</em>
+<a class="jxr_linenumber" name="415" href="#415">415</a> SnapshotTestingUtils.createTable(UTIL, TABLE2_NAME, TEST_FAM);
+<a class="jxr_linenumber" name="416" href="#416">416</a> <em class="jxr_comment">// load the table so we have some data</em>
+<a class="jxr_linenumber" name="417" href="#417">417</a> SnapshotTestingUtils.loadData(UTIL, TABLE_NAME, DEFAULT_NUM_ROWS, TEST_FAM);
+<a class="jxr_linenumber" name="418" href="#418">418</a> SnapshotTestingUtils.loadData(UTIL, TABLE2_NAME, DEFAULT_NUM_ROWS, TEST_FAM);
+<a class="jxr_linenumber" name="419" href="#419">419</a>
+<a class="jxr_linenumber" name="420" href="#420">420</a> <strong class="jxr_keyword">final</strong> CountDownLatch toBeSubmitted = <strong class="jxr_keyword">new</strong> CountDownLatch(ssNum);
+<a class="jxr_linenumber" name="421" href="#421">421</a> <em class="jxr_comment">// We'll have one of these per thread</em>
+<a class="jxr_linenumber" name="422" href="#422">422</a> <strong class="jxr_keyword">class</strong> <a href="../../../../../org/apache/hadoop/hbase/snapshot/TestFlushSnapshotFromClient.html">SSRunnable</a> <strong class="jxr_keyword">implements</strong> Runnable {
+<a class="jxr_linenumber" name="423" href="#423">423</a> SnapshotDescription ss;
+<a class="jxr_linenumber" name="424" href="#424">424</a> <a href="../../../../../org/apache/hadoop/hbase/snapshot/TestFlushSnapshotFromClient.html">SSRunnable</a>(SnapshotDescription ss) {
+<a class="jxr_linenumber" name="425" href="#425">425</a> <strong class="jxr_keyword">this</strong>.ss = ss;
+<a class="jxr_linenumber" name="426" href="#426">426</a> }
+<a class="jxr_linenumber" name="427" href="#427">427</a>
+<a class="jxr_linenumber" name="428" href="#428">428</a> @Override
+<a class="jxr_linenumber" name="429" href="#429">429</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> run() {
+<a class="jxr_linenumber" name="430" href="#430">430</a> <strong class="jxr_keyword">try</strong> {
+<a class="jxr_linenumber" name="431" href="#431">431</a> Admin admin = UTIL.getHBaseAdmin();
+<a class="jxr_linenumber" name="432" href="#432">432</a> LOG.info(<span class="jxr_string">"Submitting snapshot request: "</span> + ClientSnapshotDescriptionUtils.toString(ss));
+<a class="jxr_linenumber" name="433" href="#433">433</a> admin.takeSnapshotAsync(ss);
+<a class="jxr_linenumber" name="434" href="#434">434</a> } <strong class="jxr_keyword">catch</strong> (Exception e) {
+<a class="jxr_linenumber" name="435" href="#435">435</a> LOG.info(<span class="jxr_string">"Exception during snapshot request: "</span> + ClientSnapshotDescriptionUtils.toString(
+<a class="jxr_linenumber" name="436" href="#436">436</a> ss)
+<a class="jxr_linenumber" name="437" href="#437">437</a> + <span class="jxr_string">". This is ok, we expect some"</span>, e);
+<a class="jxr_linenumber" name="438" href="#438">438</a> }
+<a class="jxr_linenumber" name="439" href="#439">439</a> LOG.info(<span class="jxr_string">"Submitted snapshot request: "</span> + ClientSnapshotDescriptionUtils.toString(ss));
+<a class="jxr_linenumber" name="440" href="#440">440</a> toBeSubmitted.countDown();
+<a class="jxr_linenumber" name="441" href="#441">441</a> }
+<a class="jxr_linenumber" name="442" href="#442">442</a> };
+<a class="jxr_linenumber" name="443" href="#443">443</a>
+<a class="jxr_linenumber" name="444" href="#444">444</a> <em class="jxr_comment">// build descriptions</em>
+<a class="jxr_linenumber" name="445" href="#445">445</a> SnapshotDescription[] descs = <strong class="jxr_keyword">new</strong> SnapshotDescription[ssNum];
+<a class="jxr_linenumber" name="446" href="#446">446</a> <strong class="jxr_keyword">for</strong> (<strong class="jxr_keyword">int</strong> i = 0; i < ssNum; i++) {
+<a class="jxr_linenumber" name="447" href="#447">447</a> SnapshotDescription.Builder builder = SnapshotDescription.newBuilder();
+<a class="jxr_linenumber" name="448" href="#448">448</a> builder.setTable(((i % 2) == 0 ? TABLE_NAME : TABLE2_NAME).getNameAsString());
+<a class="jxr_linenumber" name="449" href="#449">449</a> builder.setName(<span class="jxr_string">"ss"</span>+i);
+<a class="jxr_linenumber" name="450" href="#450">450</a> builder.setType(SnapshotDescription.Type.FLUSH);
+<a class="jxr_linenumber" name="451" href="#451">451</a> descs[i] = builder.build();
+<a class="jxr_linenumber" name="452" href="#452">452</a> }
+<a class="jxr_linenumber" name="453" href="#453">453</a>
+<a class="jxr_linenumber" name="454" href="#454">454</a> <em class="jxr_comment">// kick each off its own thread</em>
+<a class="jxr_linenumber" name="455" href="#455">455</a> <strong class="jxr_keyword">for</strong> (<strong class="jxr_keyword">int</strong> i=0 ; i < ssNum; i++) {
+<a class="jxr_linenumber" name="456" href="#456">456</a> <strong class="jxr_keyword">new</strong> Thread(<strong class="jxr_keyword">new</strong> <a href="../../../../../org/apache/hadoop/hbase/snapshot/TestFlushSnapshotFromClient.html">SSRunnable</a>(descs[i])).start();
+<a class="jxr_linenumber" name="457" href="#457">457</a> }
+<a class="jxr_linenumber" name="458" href="#458">458</a>
+<a class="jxr_linenumber" name="459" href="#459">459</a> <em class="jxr_comment">// wait until all have been submitted</em>
+<a class="jxr_linenumber" name="460" href="#460">460</a> toBeSubmitted.await();
+<a class="jxr_linenumber" name="461" href="#461">461</a>
+<a class="jxr_linenumber" name="462" href="#462">462</a> <em class="jxr_comment">// loop until all are done.</em>
+<a class="jxr_linenumber" name="463" href="#463">463</a> <strong class="jxr_keyword">while</strong> (<strong class="jxr_keyword">true</strong>) {
+<a class="jxr_linenumber" name="464" href="#464">464</a> <strong class="jxr_keyword">int</strong> doneCount = 0;
+<a class="jxr_linenumber" name="465" href="#465">465</a> <strong class="jxr_keyword">for</strong> (SnapshotDescription ss : descs) {
+<a class="jxr_linenumber" name="466" href="#466">466</a> <strong class="jxr_keyword">try</strong> {
+<a class="jxr_linenumber" name="467" href="#467">467</a> <strong class="jxr_keyword">if</strong> (admin.isSnapshotFinished(ss)) {
+<a class="jxr_linenumber" name="468" href="#468">468</a> doneCount++;
+<a class="jxr_linenumber" name="469" href="#469">469</a> }
+<a class="jxr_linenumber" name="470" href="#470">470</a> } <strong class="jxr_keyword">catch</strong> (Exception e) {
+<a class="jxr_linenumber" name="471" href="#471">471</a> LOG.warn(<span class="jxr_string">"Got an exception when checking for snapshot "</span> + ss.getName(), e);
+<a class="jxr_linenumber" name="472" href="#472">472</a> doneCount++;
+<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> <strong class="jxr_keyword">if</strong> (doneCount == descs.length) {
+<a class="jxr_linenumber" name="476" href="#476">476</a> <strong class="jxr_keyword">break</strong>;
+<a class="jxr_linenumber" name="477" href="#477">477</a> }
+<a class="jxr_linenumber" name="478" href="#478">478</a> Thread.sleep(100);
+<a class="jxr_linenumber" name="479" href="#479">479</a> }
+<a class="jxr_linenumber" name="480" href="#480">480</a>
+<a class="jxr_linenumber" name="481" href="#481">481</a> <em class="jxr_comment">// dump for debugging</em>
+<a class="jxr_linenumber" name="482" href="#482">482</a> UTIL.getHBaseCluster().getMaster().getMasterFileSystem().logFileSystemState(LOG);
+<a class="jxr_linenumber" name="483" href="#483">483</a>
+<a class="jxr_linenumber" name="484" href="#484">484</a> List<SnapshotDescription> taken = admin.listSnapshots();
+<a class="jxr_linenumber" name="485" href="#485">485</a> <strong class="jxr_keyword">int</strong> takenSize = taken.size();
+<a class="jxr_linenumber" name="486" href="#486">486</a> LOG.info(<span class="jxr_string">"Taken "</span> + takenSize + <span class="jxr_string">" snapshots: "</span> + taken);
+<a class="jxr_linenumber" name="487" href="#487">487</a> assertTrue(<span class="jxr_string">"We expect at least 1 request to be rejected because of we concurrently"</span> +
+<a class="jxr_linenumber" name="488" href="#488">488</a> <span class="jxr_string">" issued many requests"</span>, takenSize < ssNum && takenSize > 0);
+<a class="jxr_linenumber" name="489" href="#489">489</a>
+<a class="jxr_linenumber" name="490" href="#490">490</a> <em class="jxr_comment">// Verify that there's at least one snapshot per table</em>
+<a class="jxr_linenumber" name="491" href="#491">491</a> <strong class="jxr_keyword">int</strong> t1SnapshotsCount = 0;
+<a class="jxr_linenumber" name="492" href="#492">492</a> <strong class="jxr_keyword">int</strong> t2SnapshotsCount = 0;
+<a class="jxr_linenumber" name="493" href="#493">493</a> <strong class="jxr_keyword">for</strong> (SnapshotDescription ss : taken) {
+<a class="jxr_linenumber" name="494" href="#494">494</a> <strong class="jxr_keyword">if</strong> (TableName.valueOf(ss.getTable()).equals(TABLE_NAME)) {
+<a class="jxr_linenumber" name="495" href="#495">495</a> t1SnapshotsCount++;
+<a class="jxr_linenumber" name="496" href="#496">496</a> } <strong class="jxr_keyword">else</strong> <strong class="jxr_keyword">if</strong> (TableName.valueOf(ss.getTable()).equals(TABLE2_NAME)) {
+<a class="jxr_linenumber" name="497" href="#497">497</a> t2SnapshotsCount++;
+<a class="jxr_linenumber" name="498" href="#498">498</a> }
+<a class="jxr_linenumber" name="499" href="#499">499</a> }
+<a class="jxr_linenumber" name="500" href="#500">500</a> assertTrue(<span class="jxr_string">"We expect at least 1 snapshot of table1 "</span>, t1SnapshotsCount > 0);
+<a class="jxr_linenumber" name="501" href="#501">501</a> assertTrue(<span class="jxr_string">"We expect at least 1 snapshot of table2 "</span>, t2SnapshotsCount > 0);
+<a class="jxr_linenumber" name="502" href="#502">502</a>
+<a class="jxr_linenumber" name="503" href="#503">503</a> UTIL.deleteTable(TABLE2_NAME);
+<a class="jxr_linenumber" name="504" href="#504">504</a> }
+<a class="jxr_linenumber" name="505" href="#505">505</a>
+<a class="jxr_linenumber" name="506" href="#506">506</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">void</strong> waitRegionsAfterMerge(<strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">long</strong> numRegionsAfterMerge)
+<a class="jxr_linenumber" name="507" href="#507">507</a> <strong class="jxr_keyword">throws</strong> IOException, InterruptedException {
+<a class="jxr_linenumber" name="508" href="#508">508</a> Admin admin = UTIL.getHBaseAdmin();
+<a class="jxr_linenumber" name="509" href="#509">509</a> <em class="jxr_comment">// Verify that there's one region less</em>
+<a class="jxr_linenumber" name="510" href="#510">510</a> <strong class="jxr_keyword">long</strong> startTime = System.currentTimeMillis();
+<a class="jxr_linenumber" name="511" href="#511">511</a> <strong class="jxr_keyword">while</strong> (admin.getTableRegions(TABLE_NAME).size() != numRegionsAfterMerge) {
+<a class="jxr_linenumber" name="512" href="#512">512</a> <em class="jxr_comment">// This may be flaky... if after 15sec the merge is not complete give up</em>
+<a class="jxr_linenumber" name="513" href="#513">513</a> <em class="jxr_comment">// it will fail in the assertEquals(numRegionsAfterMerge).</em>
+<a class="jxr_linenumber" name="514" href="#514">514</a> <strong class="jxr_keyword">if</strong> ((System.currentTimeMillis() - startTime) > 15000)
+<a class="jxr_linenumber" name="515" href="#515">515</a> <strong class="jxr_keyword">break</strong>;
+<a class="jxr_linenumber" name="516" href="#516">516</a> Thread.sleep(100);
+<a class="jxr_linenumber" name="517" href="#517">517</a> }
+<a class="jxr_linenumber" name="518" href="#518">518</a> SnapshotTestingUtils.waitForTableToBeOnline(UTIL, TABLE_NAME);
+<a class="jxr_linenumber" name="519" href="#519">519</a> }
<a class="jxr_linenumber" name="520" href="#520">520</a>
-<a class="jxr_linenumber" name="521" href="#521">521</a> <strong class="jxr_keyword">protected</strong> <strong class="jxr_keyword">void</strong> verifyRowCount(<strong class="jxr_keyword">final</strong> <a href="../../../../../org/apache/hadoop/hbase/HBaseTestingUtility.html">HBaseTestingUtility</a> util, <strong class="jxr_keyword">final</strong> TableName tableName,
-<a class="jxr_linenumber" name="522" href="#522">522</a> <strong class="jxr_keyword">long</strong> expectedRows) <strong class="jxr_keyword">throws</strong> IOException {
-<a class="jxr_linenumber" name="523" href="#523">523</a> SnapshotTestingUtils.verifyRowCount(util, tableName, expectedRows);
-<a class="jxr_linenumber" name="524" href="#524">524</a> }
-<a class="jxr_linenumber" name="525" href="#525">525</a>
-<a class="jxr_linenumber" name="526" href="#526">526</a> <strong class="jxr_keyword">protected</strong> <strong class="jxr_keyword">int</strong> countRows(<strong class="jxr_keyword">final</strong> Table table, <strong class="jxr_keyword">final</strong> byte[]... families) <strong class="jxr_keyword">throws</strong> IOException {
-<a class="jxr_linenumber" name="527" href="#527">527</a> <strong class="jxr_keyword">return</strong> UTIL.countRows(table, families);
-<a class="jxr_linenumber" name="528" href="#528">528</a> }
-<a class="jxr_linenumber" name="529" href="#529">529</a> }
+<a class="jxr_linenumber" name="521" href="#521">521</a>
+<a class="jxr_linenumber" name="522" href="#522">522</a> <strong class="jxr_keyword">protected</strong> <strong class="jxr_keyword">void</strong> verifyRowCount(<strong class="jxr_keyword">final</strong> <a href="../../../../../org/apache/hadoop/hbase/HBaseTestingUtility.html">HBaseTestingUtility</a> util, <strong class="jxr_keyword">final</strong> TableName tableName,
+<a class="jxr_linenumber" name="523" href="#523">523</a> <strong class="jxr_keyword">long</strong> expectedRows) <strong class="jxr_keyword">throws</strong> IOException {
+<a class="jxr_linenumber" name="524" href="#524">524</a> SnapshotTestingUtils.verifyRowCount(util, tableName, expectedRows);
+<a class="jxr_linenumber" name="525" href="#525">525</a> }
+<a class="jxr_linenumber" name="526" href="#526">526</a>
+<a class="jxr_linenumber" name="527" href="#527">527</a> <strong class="jxr_keyword">protected</strong> <strong class="jxr_keyword">int</strong> countRows(<strong class="jxr_keyword">final</strong> Table table, <strong class="jxr_keyword">final</strong> byte[]... families) <strong class="jxr_keyword">throws</strong> IOException {
+<a class="jxr_linenumber" name="528" href="#528">528</a> <strong class="jxr_keyword">return</strong> UTIL.countRows(table, families);
+<a class="jxr_linenumber" name="529" href="#529">529</a> }
+<a class="jxr_linenumber" name="530" href="#530">530</a> }
</pre>
<hr/><div id="footer">This page was automatically generated by <a href="http://maven.apache.org/">Maven</a></div></body>
</html>