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Posted to commits@hbase.apache.org by gi...@apache.org on 2018/03/17 14:53:50 UTC
[14/51] [partial] hbase-site git commit: Published site at
00095a2ef9442e3fd86c04876c9d91f2f8b23ad8.
http://git-wip-us.apache.org/repos/asf/hbase-site/blob/bd675fa3/devapidocs/src-html/org/apache/hadoop/hbase/master/assignment/SplitTableRegionProcedure.StoreFileSplitter.html
----------------------------------------------------------------------
diff --git a/devapidocs/src-html/org/apache/hadoop/hbase/master/assignment/SplitTableRegionProcedure.StoreFileSplitter.html b/devapidocs/src-html/org/apache/hadoop/hbase/master/assignment/SplitTableRegionProcedure.StoreFileSplitter.html
index d984f0e..c1f4d85 100644
--- a/devapidocs/src-html/org/apache/hadoop/hbase/master/assignment/SplitTableRegionProcedure.StoreFileSplitter.html
+++ b/devapidocs/src-html/org/apache/hadoop/hbase/master/assignment/SplitTableRegionProcedure.StoreFileSplitter.html
@@ -115,753 +115,756 @@
<span class="sourceLineNo">107</span> final RegionInfo regionToSplit, final byte[] splitRow) throws IOException {<a name="line.107"></a>
<span class="sourceLineNo">108</span> super(env, regionToSplit);<a name="line.108"></a>
<span class="sourceLineNo">109</span> preflightChecks(env, true);<a name="line.109"></a>
-<span class="sourceLineNo">110</span> this.bestSplitRow = splitRow;<a name="line.110"></a>
-<span class="sourceLineNo">111</span> checkSplittable(env, regionToSplit, bestSplitRow);<a name="line.111"></a>
-<span class="sourceLineNo">112</span> final TableName table = regionToSplit.getTable();<a name="line.112"></a>
-<span class="sourceLineNo">113</span> final long rid = getDaughterRegionIdTimestamp(regionToSplit);<a name="line.113"></a>
-<span class="sourceLineNo">114</span> this.daughter_1_RI = RegionInfoBuilder.newBuilder(table)<a name="line.114"></a>
-<span class="sourceLineNo">115</span> .setStartKey(regionToSplit.getStartKey())<a name="line.115"></a>
-<span class="sourceLineNo">116</span> .setEndKey(bestSplitRow)<a name="line.116"></a>
-<span class="sourceLineNo">117</span> .setSplit(false)<a name="line.117"></a>
-<span class="sourceLineNo">118</span> .setRegionId(rid)<a name="line.118"></a>
-<span class="sourceLineNo">119</span> .build();<a name="line.119"></a>
-<span class="sourceLineNo">120</span> this.daughter_2_RI = RegionInfoBuilder.newBuilder(table)<a name="line.120"></a>
-<span class="sourceLineNo">121</span> .setStartKey(bestSplitRow)<a name="line.121"></a>
-<span class="sourceLineNo">122</span> .setEndKey(regionToSplit.getEndKey())<a name="line.122"></a>
-<span class="sourceLineNo">123</span> .setSplit(false)<a name="line.123"></a>
-<span class="sourceLineNo">124</span> .setRegionId(rid)<a name="line.124"></a>
-<span class="sourceLineNo">125</span> .build();<a name="line.125"></a>
-<span class="sourceLineNo">126</span> TableDescriptor htd = env.getMasterServices().getTableDescriptors().get(getTableName());<a name="line.126"></a>
-<span class="sourceLineNo">127</span> if(htd.getRegionSplitPolicyClassName() != null) {<a name="line.127"></a>
-<span class="sourceLineNo">128</span> // Since we don't have region reference here, creating the split policy instance without it.<a name="line.128"></a>
-<span class="sourceLineNo">129</span> // This can be used to invoke methods which don't require Region reference. This instantiation<a name="line.129"></a>
-<span class="sourceLineNo">130</span> // of a class on Master-side though it only makes sense on the RegionServer-side is<a name="line.130"></a>
-<span class="sourceLineNo">131</span> // for Phoenix Local Indexing. Refer HBASE-12583 for more information.<a name="line.131"></a>
-<span class="sourceLineNo">132</span> Class<? extends RegionSplitPolicy> clazz =<a name="line.132"></a>
-<span class="sourceLineNo">133</span> RegionSplitPolicy.getSplitPolicyClass(htd, env.getMasterConfiguration());<a name="line.133"></a>
-<span class="sourceLineNo">134</span> this.splitPolicy = ReflectionUtils.newInstance(clazz, env.getMasterConfiguration());<a name="line.134"></a>
-<span class="sourceLineNo">135</span> }<a name="line.135"></a>
-<span class="sourceLineNo">136</span> }<a name="line.136"></a>
-<span class="sourceLineNo">137</span><a name="line.137"></a>
-<span class="sourceLineNo">138</span> /**<a name="line.138"></a>
-<span class="sourceLineNo">139</span> * Check whether the region is splittable<a name="line.139"></a>
-<span class="sourceLineNo">140</span> * @param env MasterProcedureEnv<a name="line.140"></a>
-<span class="sourceLineNo">141</span> * @param regionToSplit parent Region to be split<a name="line.141"></a>
-<span class="sourceLineNo">142</span> * @param splitRow if splitRow is not specified, will first try to get bestSplitRow from RS<a name="line.142"></a>
-<span class="sourceLineNo">143</span> * @throws IOException<a name="line.143"></a>
-<span class="sourceLineNo">144</span> */<a name="line.144"></a>
-<span class="sourceLineNo">145</span> private void checkSplittable(final MasterProcedureEnv env,<a name="line.145"></a>
-<span class="sourceLineNo">146</span> final RegionInfo regionToSplit, final byte[] splitRow) throws IOException {<a name="line.146"></a>
-<span class="sourceLineNo">147</span> // Ask the remote RS if this region is splittable.<a name="line.147"></a>
-<span class="sourceLineNo">148</span> // If we get an IOE, report it along w/ the failure so can see why we are not splittable at this time.<a name="line.148"></a>
-<span class="sourceLineNo">149</span> if(regionToSplit.getReplicaId() != RegionInfo.DEFAULT_REPLICA_ID) {<a name="line.149"></a>
-<span class="sourceLineNo">150</span> throw new IllegalArgumentException ("Can't invoke split on non-default regions directly");<a name="line.150"></a>
-<span class="sourceLineNo">151</span> }<a name="line.151"></a>
-<span class="sourceLineNo">152</span> RegionStateNode node =<a name="line.152"></a>
-<span class="sourceLineNo">153</span> env.getAssignmentManager().getRegionStates().getRegionStateNode(getParentRegion());<a name="line.153"></a>
-<span class="sourceLineNo">154</span> IOException splittableCheckIOE = null;<a name="line.154"></a>
-<span class="sourceLineNo">155</span> boolean splittable = false;<a name="line.155"></a>
-<span class="sourceLineNo">156</span> if (node != null) {<a name="line.156"></a>
-<span class="sourceLineNo">157</span> try {<a name="line.157"></a>
-<span class="sourceLineNo">158</span> if (bestSplitRow == null || bestSplitRow.length == 0) {<a name="line.158"></a>
-<span class="sourceLineNo">159</span> LOG.info("splitKey isn't explicitly specified, " + " will try to find a best split key from RS");<a name="line.159"></a>
-<span class="sourceLineNo">160</span> }<a name="line.160"></a>
-<span class="sourceLineNo">161</span> // Always set bestSplitRow request as true here,<a name="line.161"></a>
-<span class="sourceLineNo">162</span> // need to call Region#checkSplit to check it splittable or not<a name="line.162"></a>
-<span class="sourceLineNo">163</span> GetRegionInfoResponse response =<a name="line.163"></a>
-<span class="sourceLineNo">164</span> Util.getRegionInfoResponse(env, node.getRegionLocation(), node.getRegionInfo(), true);<a name="line.164"></a>
-<span class="sourceLineNo">165</span> if(bestSplitRow == null || bestSplitRow.length == 0) {<a name="line.165"></a>
-<span class="sourceLineNo">166</span> bestSplitRow = response.hasBestSplitRow() ? response.getBestSplitRow().toByteArray() : null;<a name="line.166"></a>
-<span class="sourceLineNo">167</span> }<a name="line.167"></a>
-<span class="sourceLineNo">168</span> splittable = response.hasSplittable() && response.getSplittable();<a name="line.168"></a>
-<span class="sourceLineNo">169</span><a name="line.169"></a>
-<span class="sourceLineNo">170</span> if (LOG.isDebugEnabled()) {<a name="line.170"></a>
-<span class="sourceLineNo">171</span> LOG.debug("Splittable=" + splittable + " " + node.toShortString());<a name="line.171"></a>
-<span class="sourceLineNo">172</span> }<a name="line.172"></a>
-<span class="sourceLineNo">173</span> } catch (IOException e) {<a name="line.173"></a>
-<span class="sourceLineNo">174</span> splittableCheckIOE = e;<a name="line.174"></a>
-<span class="sourceLineNo">175</span> }<a name="line.175"></a>
-<span class="sourceLineNo">176</span> }<a name="line.176"></a>
-<span class="sourceLineNo">177</span><a name="line.177"></a>
-<span class="sourceLineNo">178</span> if (!splittable) {<a name="line.178"></a>
-<span class="sourceLineNo">179</span> IOException e = new IOException(regionToSplit.getShortNameToLog() + " NOT splittable");<a name="line.179"></a>
-<span class="sourceLineNo">180</span> if (splittableCheckIOE != null) e.initCause(splittableCheckIOE);<a name="line.180"></a>
-<span class="sourceLineNo">181</span> throw e;<a name="line.181"></a>
-<span class="sourceLineNo">182</span> }<a name="line.182"></a>
-<span class="sourceLineNo">183</span><a name="line.183"></a>
-<span class="sourceLineNo">184</span> if(bestSplitRow == null || bestSplitRow.length == 0) {<a name="line.184"></a>
-<span class="sourceLineNo">185</span> throw new DoNotRetryIOException("Region not splittable because bestSplitPoint = null, "<a name="line.185"></a>
-<span class="sourceLineNo">186</span> + "maybe table is too small for auto split. For force split, try specifying split row");<a name="line.186"></a>
-<span class="sourceLineNo">187</span> }<a name="line.187"></a>
-<span class="sourceLineNo">188</span><a name="line.188"></a>
-<span class="sourceLineNo">189</span> if (Bytes.equals(regionToSplit.getStartKey(), bestSplitRow)) {<a name="line.189"></a>
-<span class="sourceLineNo">190</span> throw new DoNotRetryIOException(<a name="line.190"></a>
-<span class="sourceLineNo">191</span> "Split row is equal to startkey: " + Bytes.toStringBinary(splitRow));<a name="line.191"></a>
-<span class="sourceLineNo">192</span> }<a name="line.192"></a>
-<span class="sourceLineNo">193</span><a name="line.193"></a>
-<span class="sourceLineNo">194</span> if (!regionToSplit.containsRow(bestSplitRow)) {<a name="line.194"></a>
-<span class="sourceLineNo">195</span> throw new DoNotRetryIOException(<a name="line.195"></a>
-<span class="sourceLineNo">196</span> "Split row is not inside region key range splitKey:" + Bytes.toStringBinary(splitRow) +<a name="line.196"></a>
-<span class="sourceLineNo">197</span> " region: " + regionToSplit);<a name="line.197"></a>
-<span class="sourceLineNo">198</span> }<a name="line.198"></a>
-<span class="sourceLineNo">199</span> }<a name="line.199"></a>
-<span class="sourceLineNo">200</span><a name="line.200"></a>
-<span class="sourceLineNo">201</span> /**<a name="line.201"></a>
-<span class="sourceLineNo">202</span> * Calculate daughter regionid to use.<a name="line.202"></a>
-<span class="sourceLineNo">203</span> * @param hri Parent {@link RegionInfo}<a name="line.203"></a>
-<span class="sourceLineNo">204</span> * @return Daughter region id (timestamp) to use.<a name="line.204"></a>
-<span class="sourceLineNo">205</span> */<a name="line.205"></a>
-<span class="sourceLineNo">206</span> private static long getDaughterRegionIdTimestamp(final RegionInfo hri) {<a name="line.206"></a>
-<span class="sourceLineNo">207</span> long rid = EnvironmentEdgeManager.currentTime();<a name="line.207"></a>
-<span class="sourceLineNo">208</span> // Regionid is timestamp. Can't be less than that of parent else will insert<a name="line.208"></a>
-<span class="sourceLineNo">209</span> // at wrong location in hbase:meta (See HBASE-710).<a name="line.209"></a>
-<span class="sourceLineNo">210</span> if (rid < hri.getRegionId()) {<a name="line.210"></a>
-<span class="sourceLineNo">211</span> LOG.warn("Clock skew; parent regions id is " + hri.getRegionId() +<a name="line.211"></a>
-<span class="sourceLineNo">212</span> " but current time here is " + rid);<a name="line.212"></a>
-<span class="sourceLineNo">213</span> rid = hri.getRegionId() + 1;<a name="line.213"></a>
-<span class="sourceLineNo">214</span> }<a name="line.214"></a>
-<span class="sourceLineNo">215</span> return rid;<a name="line.215"></a>
-<span class="sourceLineNo">216</span> }<a name="line.216"></a>
-<span class="sourceLineNo">217</span><a name="line.217"></a>
-<span class="sourceLineNo">218</span> @Override<a name="line.218"></a>
-<span class="sourceLineNo">219</span> protected Flow executeFromState(final MasterProcedureEnv env, final SplitTableRegionState state)<a name="line.219"></a>
-<span class="sourceLineNo">220</span> throws InterruptedException {<a name="line.220"></a>
-<span class="sourceLineNo">221</span> LOG.trace("{} execute state={}", this, state);<a name="line.221"></a>
-<span class="sourceLineNo">222</span><a name="line.222"></a>
-<span class="sourceLineNo">223</span> try {<a name="line.223"></a>
-<span class="sourceLineNo">224</span> switch (state) {<a name="line.224"></a>
-<span class="sourceLineNo">225</span> case SPLIT_TABLE_REGION_PREPARE:<a name="line.225"></a>
-<span class="sourceLineNo">226</span> if (prepareSplitRegion(env)) {<a name="line.226"></a>
-<span class="sourceLineNo">227</span> setNextState(SplitTableRegionState.SPLIT_TABLE_REGION_PRE_OPERATION);<a name="line.227"></a>
-<span class="sourceLineNo">228</span> break;<a name="line.228"></a>
-<span class="sourceLineNo">229</span> } else {<a name="line.229"></a>
-<span class="sourceLineNo">230</span> return Flow.NO_MORE_STATE;<a name="line.230"></a>
-<span class="sourceLineNo">231</span> }<a name="line.231"></a>
-<span class="sourceLineNo">232</span> case SPLIT_TABLE_REGION_PRE_OPERATION:<a name="line.232"></a>
-<span class="sourceLineNo">233</span> preSplitRegion(env);<a name="line.233"></a>
-<span class="sourceLineNo">234</span> setNextState(SplitTableRegionState.SPLIT_TABLE_REGION_CLOSE_PARENT_REGION);<a name="line.234"></a>
-<span class="sourceLineNo">235</span> break;<a name="line.235"></a>
-<span class="sourceLineNo">236</span> case SPLIT_TABLE_REGION_CLOSE_PARENT_REGION:<a name="line.236"></a>
-<span class="sourceLineNo">237</span> addChildProcedure(createUnassignProcedures(env, getRegionReplication(env)));<a name="line.237"></a>
-<span class="sourceLineNo">238</span> setNextState(SplitTableRegionState.SPLIT_TABLE_REGION_CREATE_DAUGHTER_REGIONS);<a name="line.238"></a>
-<span class="sourceLineNo">239</span> break;<a name="line.239"></a>
-<span class="sourceLineNo">240</span> case SPLIT_TABLE_REGION_CREATE_DAUGHTER_REGIONS:<a name="line.240"></a>
-<span class="sourceLineNo">241</span> createDaughterRegions(env);<a name="line.241"></a>
-<span class="sourceLineNo">242</span> setNextState(SplitTableRegionState.SPLIT_TABLE_REGION_WRITE_MAX_SEQUENCE_ID_FILE);<a name="line.242"></a>
-<span class="sourceLineNo">243</span> break;<a name="line.243"></a>
-<span class="sourceLineNo">244</span> case SPLIT_TABLE_REGION_WRITE_MAX_SEQUENCE_ID_FILE:<a name="line.244"></a>
-<span class="sourceLineNo">245</span> writeMaxSequenceIdFile(env);<a name="line.245"></a>
-<span class="sourceLineNo">246</span> setNextState(SplitTableRegionState.SPLIT_TABLE_REGION_PRE_OPERATION_BEFORE_META);<a name="line.246"></a>
-<span class="sourceLineNo">247</span> break;<a name="line.247"></a>
-<span class="sourceLineNo">248</span> case SPLIT_TABLE_REGION_PRE_OPERATION_BEFORE_META:<a name="line.248"></a>
-<span class="sourceLineNo">249</span> preSplitRegionBeforeMETA(env);<a name="line.249"></a>
-<span class="sourceLineNo">250</span> setNextState(SplitTableRegionState.SPLIT_TABLE_REGION_UPDATE_META);<a name="line.250"></a>
-<span class="sourceLineNo">251</span> break;<a name="line.251"></a>
-<span class="sourceLineNo">252</span> case SPLIT_TABLE_REGION_UPDATE_META:<a name="line.252"></a>
-<span class="sourceLineNo">253</span> updateMeta(env);<a name="line.253"></a>
-<span class="sourceLineNo">254</span> setNextState(SplitTableRegionState.SPLIT_TABLE_REGION_PRE_OPERATION_AFTER_META);<a name="line.254"></a>
-<span class="sourceLineNo">255</span> break;<a name="line.255"></a>
-<span class="sourceLineNo">256</span> case SPLIT_TABLE_REGION_PRE_OPERATION_AFTER_META:<a name="line.256"></a>
-<span class="sourceLineNo">257</span> preSplitRegionAfterMETA(env);<a name="line.257"></a>
-<span class="sourceLineNo">258</span> setNextState(SplitTableRegionState.SPLIT_TABLE_REGION_OPEN_CHILD_REGIONS);<a name="line.258"></a>
-<span class="sourceLineNo">259</span> break;<a name="line.259"></a>
-<span class="sourceLineNo">260</span> case SPLIT_TABLE_REGION_OPEN_CHILD_REGIONS:<a name="line.260"></a>
-<span class="sourceLineNo">261</span> addChildProcedure(createAssignProcedures(env, getRegionReplication(env)));<a name="line.261"></a>
-<span class="sourceLineNo">262</span> setNextState(SplitTableRegionState.SPLIT_TABLE_REGION_POST_OPERATION);<a name="line.262"></a>
-<span class="sourceLineNo">263</span> break;<a name="line.263"></a>
-<span class="sourceLineNo">264</span> case SPLIT_TABLE_REGION_POST_OPERATION:<a name="line.264"></a>
-<span class="sourceLineNo">265</span> postSplitRegion(env);<a name="line.265"></a>
-<span class="sourceLineNo">266</span> return Flow.NO_MORE_STATE;<a name="line.266"></a>
-<span class="sourceLineNo">267</span> default:<a name="line.267"></a>
-<span class="sourceLineNo">268</span> throw new UnsupportedOperationException(this + " unhandled state=" + state);<a name="line.268"></a>
-<span class="sourceLineNo">269</span> }<a name="line.269"></a>
-<span class="sourceLineNo">270</span> } catch (IOException e) {<a name="line.270"></a>
-<span class="sourceLineNo">271</span> String msg = "Error trying to split region " + getParentRegion().getEncodedName() +<a name="line.271"></a>
-<span class="sourceLineNo">272</span> " in the table " + getTableName() + " (in state=" + state + ")";<a name="line.272"></a>
-<span class="sourceLineNo">273</span> if (!isRollbackSupported(state)) {<a name="line.273"></a>
-<span class="sourceLineNo">274</span> // We reach a state that cannot be rolled back. We just need to keep retry.<a name="line.274"></a>
-<span class="sourceLineNo">275</span> LOG.warn(msg, e);<a name="line.275"></a>
-<span class="sourceLineNo">276</span> } else {<a name="line.276"></a>
-<span class="sourceLineNo">277</span> LOG.error(msg, e);<a name="line.277"></a>
-<span class="sourceLineNo">278</span> setFailure("master-split-regions", e);<a name="line.278"></a>
-<span class="sourceLineNo">279</span> }<a name="line.279"></a>
-<span class="sourceLineNo">280</span> }<a name="line.280"></a>
-<span class="sourceLineNo">281</span> // if split fails, need to call ((HRegion)parent).clearSplit() when it is a force split<a name="line.281"></a>
-<span class="sourceLineNo">282</span> return Flow.HAS_MORE_STATE;<a name="line.282"></a>
-<span class="sourceLineNo">283</span> }<a name="line.283"></a>
-<span class="sourceLineNo">284</span><a name="line.284"></a>
-<span class="sourceLineNo">285</span> /**<a name="line.285"></a>
-<span class="sourceLineNo">286</span> * To rollback {@link SplitTableRegionProcedure}, an AssignProcedure is asynchronously<a name="line.286"></a>
-<span class="sourceLineNo">287</span> * submitted for parent region to be split (rollback doesn't wait on the completion of the<a name="line.287"></a>
-<span class="sourceLineNo">288</span> * AssignProcedure) . This can be improved by changing rollback() to support sub-procedures.<a name="line.288"></a>
-<span class="sourceLineNo">289</span> * See HBASE-19851 for details.<a name="line.289"></a>
-<span class="sourceLineNo">290</span> */<a name="line.290"></a>
-<span class="sourceLineNo">291</span> @Override<a name="line.291"></a>
-<span class="sourceLineNo">292</span> protected void rollbackState(final MasterProcedureEnv env, final SplitTableRegionState state)<a name="line.292"></a>
-<span class="sourceLineNo">293</span> throws IOException, InterruptedException {<a name="line.293"></a>
-<span class="sourceLineNo">294</span> if (isTraceEnabled()) {<a name="line.294"></a>
-<span class="sourceLineNo">295</span> LOG.trace(this + " rollback state=" + state);<a name="line.295"></a>
-<span class="sourceLineNo">296</span> }<a name="line.296"></a>
-<span class="sourceLineNo">297</span><a name="line.297"></a>
-<span class="sourceLineNo">298</span> try {<a name="line.298"></a>
-<span class="sourceLineNo">299</span> switch (state) {<a name="line.299"></a>
-<span class="sourceLineNo">300</span> case SPLIT_TABLE_REGION_POST_OPERATION:<a name="line.300"></a>
-<span class="sourceLineNo">301</span> case SPLIT_TABLE_REGION_OPEN_CHILD_REGIONS:<a name="line.301"></a>
-<span class="sourceLineNo">302</span> case SPLIT_TABLE_REGION_PRE_OPERATION_AFTER_META:<a name="line.302"></a>
-<span class="sourceLineNo">303</span> case SPLIT_TABLE_REGION_UPDATE_META:<a name="line.303"></a>
-<span class="sourceLineNo">304</span> // PONR<a name="line.304"></a>
-<span class="sourceLineNo">305</span> throw new UnsupportedOperationException(this + " unhandled state=" + state);<a name="line.305"></a>
-<span class="sourceLineNo">306</span> case SPLIT_TABLE_REGION_PRE_OPERATION_BEFORE_META:<a name="line.306"></a>
-<span class="sourceLineNo">307</span> break;<a name="line.307"></a>
-<span class="sourceLineNo">308</span> case SPLIT_TABLE_REGION_CREATE_DAUGHTER_REGIONS:<a name="line.308"></a>
-<span class="sourceLineNo">309</span> case SPLIT_TABLE_REGION_WRITE_MAX_SEQUENCE_ID_FILE:<a name="line.309"></a>
-<span class="sourceLineNo">310</span> // Doing nothing, as re-open parent region would clean up daughter region directories.<a name="line.310"></a>
-<span class="sourceLineNo">311</span> break;<a name="line.311"></a>
-<span class="sourceLineNo">312</span> case SPLIT_TABLE_REGION_CLOSE_PARENT_REGION:<a name="line.312"></a>
-<span class="sourceLineNo">313</span> openParentRegion(env);<a name="line.313"></a>
+<span class="sourceLineNo">110</span> // When procedure goes to run in its prepare step, it also does these checkOnline checks. Here<a name="line.110"></a>
+<span class="sourceLineNo">111</span> // we fail-fast on construction. There it skips the split with just a warning.<a name="line.111"></a>
+<span class="sourceLineNo">112</span> checkOnline(env, regionToSplit);<a name="line.112"></a>
+<span class="sourceLineNo">113</span> this.bestSplitRow = splitRow;<a name="line.113"></a>
+<span class="sourceLineNo">114</span> checkSplittable(env, regionToSplit, bestSplitRow);<a name="line.114"></a>
+<span class="sourceLineNo">115</span> final TableName table = regionToSplit.getTable();<a name="line.115"></a>
+<span class="sourceLineNo">116</span> final long rid = getDaughterRegionIdTimestamp(regionToSplit);<a name="line.116"></a>
+<span class="sourceLineNo">117</span> this.daughter_1_RI = RegionInfoBuilder.newBuilder(table)<a name="line.117"></a>
+<span class="sourceLineNo">118</span> .setStartKey(regionToSplit.getStartKey())<a name="line.118"></a>
+<span class="sourceLineNo">119</span> .setEndKey(bestSplitRow)<a name="line.119"></a>
+<span class="sourceLineNo">120</span> .setSplit(false)<a name="line.120"></a>
+<span class="sourceLineNo">121</span> .setRegionId(rid)<a name="line.121"></a>
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+<span class="sourceLineNo">124</span> .setStartKey(bestSplitRow)<a name="line.124"></a>
+<span class="sourceLineNo">125</span> .setEndKey(regionToSplit.getEndKey())<a name="line.125"></a>
+<span class="sourceLineNo">126</span> .setSplit(false)<a name="line.126"></a>
+<span class="sourceLineNo">127</span> .setRegionId(rid)<a name="line.127"></a>
+<span class="sourceLineNo">128</span> .build();<a name="line.128"></a>
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+<span class="sourceLineNo">133</span> // of a class on Master-side though it only makes sense on the RegionServer-side is<a name="line.133"></a>
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+<span class="sourceLineNo">162</span> LOG.info("splitKey isn't explicitly specified, " + " will try to find a best split key from RS");<a name="line.162"></a>
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+<span class="sourceLineNo">164</span> // Always set bestSplitRow request as true here,<a name="line.164"></a>
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+<span class="sourceLineNo">189</span> + "maybe table is too small for auto split. For force split, try specifying split row");<a name="line.189"></a>
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+<span class="sourceLineNo">191</span><a name="line.191"></a>
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+<span class="sourceLineNo">196</span><a name="line.196"></a>
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+<span class="sourceLineNo">200</span> " region: " + regionToSplit);<a name="line.200"></a>
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+<span class="sourceLineNo">203</span><a name="line.203"></a>
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+<span class="sourceLineNo">207</span> * @return Daughter region id (timestamp) to use.<a name="line.207"></a>
+<span class="sourceLineNo">208</span> */<a name="line.208"></a>
+<span class="sourceLineNo">209</span> private static long getDaughterRegionIdTimestamp(final RegionInfo hri) {<a name="line.209"></a>
+<span class="sourceLineNo">210</span> long rid = EnvironmentEdgeManager.currentTime();<a name="line.210"></a>
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+<span class="sourceLineNo">212</span> // at wrong location in hbase:meta (See HBASE-710).<a name="line.212"></a>
+<span class="sourceLineNo">213</span> if (rid < hri.getRegionId()) {<a name="line.213"></a>
+<span class="sourceLineNo">214</span> LOG.warn("Clock skew; parent regions id is " + hri.getRegionId() +<a name="line.214"></a>
+<span class="sourceLineNo">215</span> " but current time here is " + rid);<a name="line.215"></a>
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+<span class="sourceLineNo">218</span> return rid;<a name="line.218"></a>
+<span class="sourceLineNo">219</span> }<a name="line.219"></a>
+<span class="sourceLineNo">220</span><a name="line.220"></a>
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+<span class="sourceLineNo">223</span> throws InterruptedException {<a name="line.223"></a>
+<span class="sourceLineNo">224</span> LOG.trace("{} execute state={}", this, state);<a name="line.224"></a>
+<span class="sourceLineNo">225</span><a name="line.225"></a>
+<span class="sourceLineNo">226</span> try {<a name="line.226"></a>
+<span class="sourceLineNo">227</span> switch (state) {<a name="line.227"></a>
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+<span class="sourceLineNo">232</span> } else {<a name="line.232"></a>
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+<span class="sourceLineNo">263</span> case SPLIT_TABLE_REGION_OPEN_CHILD_REGIONS:<a name="line.263"></a>
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+<span class="sourceLineNo">300</span><a name="line.300"></a>
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+<span class="sourceLineNo">308</span> throw new UnsupportedOperationException(this + " unhandled state=" + state);<a name="line.308"></a>
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<span class="sourceLineNo">314</span> break;<a name="line.314"></a>
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-<span class="sourceLineNo">321</span> throw new UnsupportedOperationException(this + " unhandled state=" + state);<a name="line.321"></a>
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