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Posted to commits@hbase.apache.org by gi...@apache.org on 2018/09/08 14:52:20 UTC
[08/50] hbase-site git commit: Published site at
b04b4b0fd127db81f8186ff55091fd033cf1b0c4.
http://git-wip-us.apache.org/repos/asf/hbase-site/blob/96fdb1fe/testdevapidocs/src-html/org/apache/hadoop/hbase/regionserver/TestHRegion.HRegionWithSeqId.html
----------------------------------------------------------------------
diff --git a/testdevapidocs/src-html/org/apache/hadoop/hbase/regionserver/TestHRegion.HRegionWithSeqId.html b/testdevapidocs/src-html/org/apache/hadoop/hbase/regionserver/TestHRegion.HRegionWithSeqId.html
index e272ef5..f2a9072 100644
--- a/testdevapidocs/src-html/org/apache/hadoop/hbase/regionserver/TestHRegion.HRegionWithSeqId.html
+++ b/testdevapidocs/src-html/org/apache/hadoop/hbase/regionserver/TestHRegion.HRegionWithSeqId.html
@@ -122,6177 +122,6202 @@
<span class="sourceLineNo">114</span>import org.apache.hadoop.hbase.client.Scan;<a name="line.114"></a>
<span class="sourceLineNo">115</span>import org.apache.hadoop.hbase.client.Table;<a name="line.115"></a>
<span class="sourceLineNo">116</span>import org.apache.hadoop.hbase.client.TableDescriptor;<a name="line.116"></a>
-<span class="sourceLineNo">117</span>import org.apache.hadoop.hbase.exceptions.FailedSanityCheckException;<a name="line.117"></a>
-<span class="sourceLineNo">118</span>import org.apache.hadoop.hbase.filter.BigDecimalComparator;<a name="line.118"></a>
-<span class="sourceLineNo">119</span>import org.apache.hadoop.hbase.filter.BinaryComparator;<a name="line.119"></a>
-<span class="sourceLineNo">120</span>import org.apache.hadoop.hbase.filter.ColumnCountGetFilter;<a name="line.120"></a>
-<span class="sourceLineNo">121</span>import org.apache.hadoop.hbase.filter.CompareFilter.CompareOp;<a name="line.121"></a>
-<span class="sourceLineNo">122</span>import org.apache.hadoop.hbase.filter.Filter;<a name="line.122"></a>
-<span class="sourceLineNo">123</span>import org.apache.hadoop.hbase.filter.FilterBase;<a name="line.123"></a>
-<span class="sourceLineNo">124</span>import org.apache.hadoop.hbase.filter.FilterList;<a name="line.124"></a>
-<span class="sourceLineNo">125</span>import org.apache.hadoop.hbase.filter.NullComparator;<a name="line.125"></a>
-<span class="sourceLineNo">126</span>import org.apache.hadoop.hbase.filter.PrefixFilter;<a name="line.126"></a>
-<span class="sourceLineNo">127</span>import org.apache.hadoop.hbase.filter.SingleColumnValueExcludeFilter;<a name="line.127"></a>
-<span class="sourceLineNo">128</span>import org.apache.hadoop.hbase.filter.SingleColumnValueFilter;<a name="line.128"></a>
-<span class="sourceLineNo">129</span>import org.apache.hadoop.hbase.filter.SubstringComparator;<a name="line.129"></a>
-<span class="sourceLineNo">130</span>import org.apache.hadoop.hbase.filter.ValueFilter;<a name="line.130"></a>
-<span class="sourceLineNo">131</span>import org.apache.hadoop.hbase.io.hfile.HFile;<a name="line.131"></a>
-<span class="sourceLineNo">132</span>import org.apache.hadoop.hbase.monitoring.MonitoredRPCHandler;<a name="line.132"></a>
-<span class="sourceLineNo">133</span>import org.apache.hadoop.hbase.monitoring.MonitoredTask;<a name="line.133"></a>
-<span class="sourceLineNo">134</span>import org.apache.hadoop.hbase.monitoring.TaskMonitor;<a name="line.134"></a>
-<span class="sourceLineNo">135</span>import org.apache.hadoop.hbase.regionserver.HRegion.MutationBatchOperation;<a name="line.135"></a>
-<span class="sourceLineNo">136</span>import org.apache.hadoop.hbase.regionserver.HRegion.RegionScannerImpl;<a name="line.136"></a>
-<span class="sourceLineNo">137</span>import org.apache.hadoop.hbase.regionserver.Region.RowLock;<a name="line.137"></a>
-<span class="sourceLineNo">138</span>import org.apache.hadoop.hbase.regionserver.TestHStore.FaultyFileSystem;<a name="line.138"></a>
-<span class="sourceLineNo">139</span>import org.apache.hadoop.hbase.regionserver.compactions.CompactionRequestImpl;<a name="line.139"></a>
-<span class="sourceLineNo">140</span>import org.apache.hadoop.hbase.regionserver.wal.FSHLog;<a name="line.140"></a>
-<span class="sourceLineNo">141</span>import org.apache.hadoop.hbase.regionserver.wal.MetricsWALSource;<a name="line.141"></a>
-<span class="sourceLineNo">142</span>import org.apache.hadoop.hbase.regionserver.wal.WALUtil;<a name="line.142"></a>
-<span class="sourceLineNo">143</span>import org.apache.hadoop.hbase.security.User;<a name="line.143"></a>
-<span class="sourceLineNo">144</span>import org.apache.hadoop.hbase.test.MetricsAssertHelper;<a name="line.144"></a>
-<span class="sourceLineNo">145</span>import org.apache.hadoop.hbase.testclassification.LargeTests;<a name="line.145"></a>
-<span class="sourceLineNo">146</span>import org.apache.hadoop.hbase.testclassification.VerySlowRegionServerTests;<a name="line.146"></a>
-<span class="sourceLineNo">147</span>import org.apache.hadoop.hbase.util.Bytes;<a name="line.147"></a>
-<span class="sourceLineNo">148</span>import org.apache.hadoop.hbase.util.EnvironmentEdgeManager;<a name="line.148"></a>
-<span class="sourceLineNo">149</span>import org.apache.hadoop.hbase.util.EnvironmentEdgeManagerTestHelper;<a name="line.149"></a>
-<span class="sourceLineNo">150</span>import org.apache.hadoop.hbase.util.FSUtils;<a name="line.150"></a>
-<span class="sourceLineNo">151</span>import org.apache.hadoop.hbase.util.IncrementingEnvironmentEdge;<a name="line.151"></a>
-<span class="sourceLineNo">152</span>import org.apache.hadoop.hbase.util.ManualEnvironmentEdge;<a name="line.152"></a>
-<span class="sourceLineNo">153</span>import org.apache.hadoop.hbase.util.Threads;<a name="line.153"></a>
-<span class="sourceLineNo">154</span>import org.apache.hadoop.hbase.wal.AbstractFSWALProvider;<a name="line.154"></a>
-<span class="sourceLineNo">155</span>import org.apache.hadoop.hbase.wal.FaultyFSLog;<a name="line.155"></a>
-<span class="sourceLineNo">156</span>import org.apache.hadoop.hbase.wal.WAL;<a name="line.156"></a>
-<span class="sourceLineNo">157</span>import org.apache.hadoop.hbase.wal.WALEdit;<a name="line.157"></a>
-<span class="sourceLineNo">158</span>import org.apache.hadoop.hbase.wal.WALFactory;<a name="line.158"></a>
-<span class="sourceLineNo">159</span>import org.apache.hadoop.hbase.wal.WALKeyImpl;<a name="line.159"></a>
-<span class="sourceLineNo">160</span>import org.apache.hadoop.hbase.wal.WALProvider;<a name="line.160"></a>
-<span class="sourceLineNo">161</span>import org.apache.hadoop.hbase.wal.WALProvider.Writer;<a name="line.161"></a>
-<span class="sourceLineNo">162</span>import org.apache.hadoop.hbase.wal.WALSplitter;<a name="line.162"></a>
-<span class="sourceLineNo">163</span>import org.junit.After;<a name="line.163"></a>
-<span class="sourceLineNo">164</span>import org.junit.Assert;<a name="line.164"></a>
-<span class="sourceLineNo">165</span>import org.junit.Before;<a name="line.165"></a>
-<span class="sourceLineNo">166</span>import org.junit.ClassRule;<a name="line.166"></a>
-<span class="sourceLineNo">167</span>import org.junit.Rule;<a name="line.167"></a>
-<span class="sourceLineNo">168</span>import org.junit.Test;<a name="line.168"></a>
-<span class="sourceLineNo">169</span>import org.junit.experimental.categories.Category;<a name="line.169"></a>
-<span class="sourceLineNo">170</span>import org.junit.rules.ExpectedException;<a name="line.170"></a>
-<span class="sourceLineNo">171</span>import org.junit.rules.TestName;<a name="line.171"></a>
-<span class="sourceLineNo">172</span>import org.mockito.ArgumentCaptor;<a name="line.172"></a>
-<span class="sourceLineNo">173</span>import org.mockito.ArgumentMatcher;<a name="line.173"></a>
-<span class="sourceLineNo">174</span>import org.mockito.Mockito;<a name="line.174"></a>
-<span class="sourceLineNo">175</span>import org.mockito.invocation.InvocationOnMock;<a name="line.175"></a>
-<span class="sourceLineNo">176</span>import org.mockito.stubbing.Answer;<a name="line.176"></a>
-<span class="sourceLineNo">177</span>import org.slf4j.Logger;<a name="line.177"></a>
-<span class="sourceLineNo">178</span>import org.slf4j.LoggerFactory;<a name="line.178"></a>
-<span class="sourceLineNo">179</span><a name="line.179"></a>
-<span class="sourceLineNo">180</span>import org.apache.hbase.thirdparty.com.google.common.collect.Lists;<a name="line.180"></a>
-<span class="sourceLineNo">181</span>import org.apache.hbase.thirdparty.com.google.protobuf.ByteString;<a name="line.181"></a>
-<span class="sourceLineNo">182</span><a name="line.182"></a>
-<span class="sourceLineNo">183</span>import org.apache.hadoop.hbase.shaded.protobuf.ProtobufUtil;<a name="line.183"></a>
-<span class="sourceLineNo">184</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.WALProtos.CompactionDescriptor;<a name="line.184"></a>
-<span class="sourceLineNo">185</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.WALProtos.FlushDescriptor;<a name="line.185"></a>
-<span class="sourceLineNo">186</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.WALProtos.FlushDescriptor.FlushAction;<a name="line.186"></a>
-<span class="sourceLineNo">187</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.WALProtos.FlushDescriptor.StoreFlushDescriptor;<a name="line.187"></a>
-<span class="sourceLineNo">188</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.WALProtos.RegionEventDescriptor;<a name="line.188"></a>
-<span class="sourceLineNo">189</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.WALProtos.StoreDescriptor;<a name="line.189"></a>
-<span class="sourceLineNo">190</span><a name="line.190"></a>
-<span class="sourceLineNo">191</span>/**<a name="line.191"></a>
-<span class="sourceLineNo">192</span> * Basic stand-alone testing of HRegion. No clusters!<a name="line.192"></a>
-<span class="sourceLineNo">193</span> *<a name="line.193"></a>
-<span class="sourceLineNo">194</span> * A lot of the meta information for an HRegion now lives inside other HRegions<a name="line.194"></a>
-<span class="sourceLineNo">195</span> * or in the HBaseMaster, so only basic testing is possible.<a name="line.195"></a>
-<span class="sourceLineNo">196</span> */<a name="line.196"></a>
-<span class="sourceLineNo">197</span>@Category({VerySlowRegionServerTests.class, LargeTests.class})<a name="line.197"></a>
-<span class="sourceLineNo">198</span>@SuppressWarnings("deprecation")<a name="line.198"></a>
-<span class="sourceLineNo">199</span>public class TestHRegion {<a name="line.199"></a>
-<span class="sourceLineNo">200</span><a name="line.200"></a>
-<span class="sourceLineNo">201</span> @ClassRule<a name="line.201"></a>
-<span class="sourceLineNo">202</span> public static final HBaseClassTestRule CLASS_RULE =<a name="line.202"></a>
-<span class="sourceLineNo">203</span> HBaseClassTestRule.forClass(TestHRegion.class);<a name="line.203"></a>
-<span class="sourceLineNo">204</span><a name="line.204"></a>
-<span class="sourceLineNo">205</span> // Do not spin up clusters in here. If you need to spin up a cluster, do it<a name="line.205"></a>
-<span class="sourceLineNo">206</span> // over in TestHRegionOnCluster.<a name="line.206"></a>
-<span class="sourceLineNo">207</span> private static final Logger LOG = LoggerFactory.getLogger(TestHRegion.class);<a name="line.207"></a>
-<span class="sourceLineNo">208</span> @Rule<a name="line.208"></a>
-<span class="sourceLineNo">209</span> public TestName name = new TestName();<a name="line.209"></a>
-<span class="sourceLineNo">210</span> @Rule public final ExpectedException thrown = ExpectedException.none();<a name="line.210"></a>
-<span class="sourceLineNo">211</span><a name="line.211"></a>
-<span class="sourceLineNo">212</span> private static final String COLUMN_FAMILY = "MyCF";<a name="line.212"></a>
-<span class="sourceLineNo">213</span> private static final byte [] COLUMN_FAMILY_BYTES = Bytes.toBytes(COLUMN_FAMILY);<a name="line.213"></a>
-<span class="sourceLineNo">214</span><a name="line.214"></a>
-<span class="sourceLineNo">215</span> HRegion region = null;<a name="line.215"></a>
-<span class="sourceLineNo">216</span> // Do not run unit tests in parallel (? Why not? It don't work? Why not? St.Ack)<a name="line.216"></a>
-<span class="sourceLineNo">217</span> protected static HBaseTestingUtility TEST_UTIL;<a name="line.217"></a>
-<span class="sourceLineNo">218</span> public static Configuration CONF ;<a name="line.218"></a>
-<span class="sourceLineNo">219</span> private String dir;<a name="line.219"></a>
-<span class="sourceLineNo">220</span> private final int MAX_VERSIONS = 2;<a name="line.220"></a>
-<span class="sourceLineNo">221</span><a name="line.221"></a>
-<span class="sourceLineNo">222</span> // Test names<a name="line.222"></a>
-<span class="sourceLineNo">223</span> protected TableName tableName;<a name="line.223"></a>
-<span class="sourceLineNo">224</span> protected String method;<a name="line.224"></a>
-<span class="sourceLineNo">225</span> protected final byte[] qual = Bytes.toBytes("qual");<a name="line.225"></a>
-<span class="sourceLineNo">226</span> protected final byte[] qual1 = Bytes.toBytes("qual1");<a name="line.226"></a>
-<span class="sourceLineNo">227</span> protected final byte[] qual2 = Bytes.toBytes("qual2");<a name="line.227"></a>
-<span class="sourceLineNo">228</span> protected final byte[] qual3 = Bytes.toBytes("qual3");<a name="line.228"></a>
-<span class="sourceLineNo">229</span> protected final byte[] value = Bytes.toBytes("value");<a name="line.229"></a>
-<span class="sourceLineNo">230</span> protected final byte[] value1 = Bytes.toBytes("value1");<a name="line.230"></a>
-<span class="sourceLineNo">231</span> protected final byte[] value2 = Bytes.toBytes("value2");<a name="line.231"></a>
-<span class="sourceLineNo">232</span> protected final byte[] row = Bytes.toBytes("rowA");<a name="line.232"></a>
-<span class="sourceLineNo">233</span> protected final byte[] row2 = Bytes.toBytes("rowB");<a name="line.233"></a>
-<span class="sourceLineNo">234</span><a name="line.234"></a>
-<span class="sourceLineNo">235</span> protected final MetricsAssertHelper metricsAssertHelper = CompatibilitySingletonFactory<a name="line.235"></a>
-<span class="sourceLineNo">236</span> .getInstance(MetricsAssertHelper.class);<a name="line.236"></a>
-<span class="sourceLineNo">237</span><a name="line.237"></a>
-<span class="sourceLineNo">238</span> @Before<a name="line.238"></a>
-<span class="sourceLineNo">239</span> public void setup() throws IOException {<a name="line.239"></a>
-<span class="sourceLineNo">240</span> TEST_UTIL = HBaseTestingUtility.createLocalHTU();<a name="line.240"></a>
-<span class="sourceLineNo">241</span> CONF = TEST_UTIL.getConfiguration();<a name="line.241"></a>
-<span class="sourceLineNo">242</span> dir = TEST_UTIL.getDataTestDir("TestHRegion").toString();<a name="line.242"></a>
-<span class="sourceLineNo">243</span> method = name.getMethodName();<a name="line.243"></a>
-<span class="sourceLineNo">244</span> tableName = TableName.valueOf(method);<a name="line.244"></a>
-<span class="sourceLineNo">245</span> CONF.set(CompactingMemStore.IN_MEMORY_FLUSH_THRESHOLD_FACTOR_KEY, String.valueOf(0.09));<a name="line.245"></a>
-<span class="sourceLineNo">246</span> }<a name="line.246"></a>
-<span class="sourceLineNo">247</span><a name="line.247"></a>
-<span class="sourceLineNo">248</span> @After<a name="line.248"></a>
-<span class="sourceLineNo">249</span> public void tearDown() throws IOException {<a name="line.249"></a>
-<span class="sourceLineNo">250</span> // Region may have been closed, but it is still no harm if we close it again here using HTU.<a name="line.250"></a>
-<span class="sourceLineNo">251</span> HBaseTestingUtility.closeRegionAndWAL(region);<a name="line.251"></a>
-<span class="sourceLineNo">252</span> EnvironmentEdgeManagerTestHelper.reset();<a name="line.252"></a>
-<span class="sourceLineNo">253</span> LOG.info("Cleaning test directory: " + TEST_UTIL.getDataTestDir());<a name="line.253"></a>
-<span class="sourceLineNo">254</span> TEST_UTIL.cleanupTestDir();<a name="line.254"></a>
-<span class="sourceLineNo">255</span> }<a name="line.255"></a>
-<span class="sourceLineNo">256</span><a name="line.256"></a>
-<span class="sourceLineNo">257</span> /**<a name="line.257"></a>
-<span class="sourceLineNo">258</span> * Test that I can use the max flushed sequence id after the close.<a name="line.258"></a>
-<span class="sourceLineNo">259</span> * @throws IOException<a name="line.259"></a>
-<span class="sourceLineNo">260</span> */<a name="line.260"></a>
-<span class="sourceLineNo">261</span> @Test<a name="line.261"></a>
-<span class="sourceLineNo">262</span> public void testSequenceId() throws IOException {<a name="line.262"></a>
-<span class="sourceLineNo">263</span> region = initHRegion(tableName, method, CONF, COLUMN_FAMILY_BYTES);<a name="line.263"></a>
-<span class="sourceLineNo">264</span> assertEquals(HConstants.NO_SEQNUM, region.getMaxFlushedSeqId());<a name="line.264"></a>
-<span class="sourceLineNo">265</span> // Weird. This returns 0 if no store files or no edits. Afraid to change it.<a name="line.265"></a>
-<span class="sourceLineNo">266</span> assertEquals(0, (long)region.getMaxStoreSeqId().get(COLUMN_FAMILY_BYTES));<a name="line.266"></a>
-<span class="sourceLineNo">267</span> region.close();<a name="line.267"></a>
-<span class="sourceLineNo">268</span> assertEquals(HConstants.NO_SEQNUM, region.getMaxFlushedSeqId());<a name="line.268"></a>
-<span class="sourceLineNo">269</span> assertEquals(0, (long)region.getMaxStoreSeqId().get(COLUMN_FAMILY_BYTES));<a name="line.269"></a>
-<span class="sourceLineNo">270</span> // Open region again.<a name="line.270"></a>
-<span class="sourceLineNo">271</span> region = initHRegion(tableName, method, CONF, COLUMN_FAMILY_BYTES);<a name="line.271"></a>
-<span class="sourceLineNo">272</span> byte [] value = Bytes.toBytes(method);<a name="line.272"></a>
-<span class="sourceLineNo">273</span> // Make a random put against our cf.<a name="line.273"></a>
-<span class="sourceLineNo">274</span> Put put = new Put(value);<a name="line.274"></a>
-<span class="sourceLineNo">275</span> put.addColumn(COLUMN_FAMILY_BYTES, null, value);<a name="line.275"></a>
-<span class="sourceLineNo">276</span> region.put(put);<a name="line.276"></a>
-<span class="sourceLineNo">277</span> // No flush yet so init numbers should still be in place.<a name="line.277"></a>
-<span class="sourceLineNo">278</span> assertEquals(HConstants.NO_SEQNUM, region.getMaxFlushedSeqId());<a name="line.278"></a>
-<span class="sourceLineNo">279</span> assertEquals(0, (long)region.getMaxStoreSeqId().get(COLUMN_FAMILY_BYTES));<a name="line.279"></a>
-<span class="sourceLineNo">280</span> region.flush(true);<a name="line.280"></a>
-<span class="sourceLineNo">281</span> long max = region.getMaxFlushedSeqId();<a name="line.281"></a>
-<span class="sourceLineNo">282</span> region.close();<a name="line.282"></a>
-<span class="sourceLineNo">283</span> assertEquals(max, region.getMaxFlushedSeqId());<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> /**<a name="line.286"></a>
-<span class="sourceLineNo">287</span> * Test for Bug 2 of HBASE-10466.<a name="line.287"></a>
-<span class="sourceLineNo">288</span> * "Bug 2: Conditions for the first flush of region close (so-called pre-flush) If memstoreSize<a name="line.288"></a>
-<span class="sourceLineNo">289</span> * is smaller than a certain value, or when region close starts a flush is ongoing, the first<a name="line.289"></a>
-<span class="sourceLineNo">290</span> * flush is skipped and only the second flush takes place. However, two flushes are required in<a name="line.290"></a>
-<span class="sourceLineNo">291</span> * case previous flush fails and leaves some data in snapshot. The bug could cause loss of data<a name="line.291"></a>
-<span class="sourceLineNo">292</span> * in current memstore. The fix is removing all conditions except abort check so we ensure 2<a name="line.292"></a>
-<span class="sourceLineNo">293</span> * flushes for region close."<a name="line.293"></a>
-<span class="sourceLineNo">294</span> * @throws IOException<a name="line.294"></a>
-<span class="sourceLineNo">295</span> */<a name="line.295"></a>
-<span class="sourceLineNo">296</span> @Test<a name="line.296"></a>
-<span class="sourceLineNo">297</span> public void testCloseCarryingSnapshot() throws IOException {<a name="line.297"></a>
-<span class="sourceLineNo">298</span> region = initHRegion(tableName, method, CONF, COLUMN_FAMILY_BYTES);<a name="line.298"></a>
-<span class="sourceLineNo">299</span> HStore store = region.getStore(COLUMN_FAMILY_BYTES);<a name="line.299"></a>
-<span class="sourceLineNo">300</span> // Get some random bytes.<a name="line.300"></a>
-<span class="sourceLineNo">301</span> byte [] value = Bytes.toBytes(method);<a name="line.301"></a>
-<span class="sourceLineNo">302</span> // Make a random put against our cf.<a name="line.302"></a>
-<span class="sourceLineNo">303</span> Put put = new Put(value);<a name="line.303"></a>
-<span class="sourceLineNo">304</span> put.addColumn(COLUMN_FAMILY_BYTES, null, value);<a name="line.304"></a>
-<span class="sourceLineNo">305</span> // First put something in current memstore, which will be in snapshot after flusher.prepare()<a name="line.305"></a>
-<span class="sourceLineNo">306</span> region.put(put);<a name="line.306"></a>
-<span class="sourceLineNo">307</span> StoreFlushContext storeFlushCtx = store.createFlushContext(12345, FlushLifeCycleTracker.DUMMY);<a name="line.307"></a>
-<span class="sourceLineNo">308</span> storeFlushCtx.prepare();<a name="line.308"></a>
-<span class="sourceLineNo">309</span> // Second put something in current memstore<a name="line.309"></a>
-<span class="sourceLineNo">310</span> put.addColumn(COLUMN_FAMILY_BYTES, Bytes.toBytes("abc"), value);<a name="line.310"></a>
-<span class="sourceLineNo">311</span> region.put(put);<a name="line.311"></a>
-<span class="sourceLineNo">312</span> // Close with something in memstore and something in the snapshot. Make sure all is cleared.<a name="line.312"></a>
-<span class="sourceLineNo">313</span> region.close();<a name="line.313"></a>
-<span class="sourceLineNo">314</span> assertEquals(0, region.getMemStoreDataSize());<a name="line.314"></a>
-<span class="sourceLineNo">315</span> HBaseTestingUtility.closeRegionAndWAL(region);<a name="line.315"></a>
-<span class="sourceLineNo">316</span> }<a name="line.316"></a>
-<span class="sourceLineNo">317</span><a name="line.317"></a>
-<span class="sourceLineNo">318</span> /*<a name="line.318"></a>
-<span class="sourceLineNo">319</span> * This test is for verifying memstore snapshot size is correctly updated in case of rollback<a name="line.319"></a>
-<span class="sourceLineNo">320</span> * See HBASE-10845<a name="line.320"></a>
-<span class="sourceLineNo">321</span> */<a name="line.321"></a>
-<span class="sourceLineNo">322</span> @Test<a name="line.322"></a>
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-<span class="sourceLineNo">324</span> class MyFaultyFSLog extends FaultyFSLog {<a name="line.324"></a>
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-<span class="sourceLineNo">550</span> // Make sure it worked (above is sensitive to caching details in hadoop core)<a name="line.550"></a>
-<span class="sourceLineNo">551</span> FileSystem fs = FileSystem.get(conf);<a name="line.551"></a>
-<span class="sourceLineNo">552</span> Assert.assertEquals(FaultyFileSystem.class, fs.getClass());<a name="line.552"></a>
-<span class="sourceLineNo">553</span> FaultyFileSystem ffs = (FaultyFileSystem)fs;<a name="line.553"></a>
-<span class="sourceLineNo">554</span> HRegion region = null;<a name="line.554"></a>
-<span class="sourceLineNo">555</span> try {<a name="line.555"></a>
-<span class="sourceLineNo">556</span> // Initialize region<a name="line.556"></a>
-<span class="sourceLineNo">557</span> region = initHRegion(tableName, null, null, false,<a name="line.557"></a>
-<span class="sourceLineNo">558</span> Durability.SYNC_WAL, wal, COLUMN_FAMILY_BYTES);<a name="line.558"></a>
-<span class="sourceLineNo">559</span> long size = region.getMemStoreDataSize();<a name="line.559"></a>
-<span class="sourceLineNo">560</span> Assert.assertEquals(0, size);<a name="line.560"></a>
-<span class="sourceLineNo">561</span> // Put one item into memstore. Measure the size of one item in memstore.<a name="line.561"></a>
-<span class="sourceLineNo">562</span> Put p1 = new Put(row);<a name="line.562"></a>
-<span class="sourceLineNo">563</span> p1.add(new KeyValue(row, COLUMN_FAMILY_BYTES, qual1, 1, (byte[])null));<a name="line.563"></a>
-<span class="sourceLineNo">564</span> region.put(p1);<a name="line.564"></a>
-<span class="sourceLineNo">565</span> // Manufacture an outstanding snapshot -- fake a failed flush by doing prepare step only.<a name="line.565"></a>
-<span class="sourceLineNo">566</span> HStore store = region.getStore(COLUMN_FAMILY_BYTES);<a name="line.566"></a>
-<span class="sourceLineNo">567</span> StoreFlushContext storeFlushCtx =<a name="line.567"></a>
-<span class="sourceLineNo">568</span> store.createFlushContext(12345, FlushLifeCycleTracker.DUMMY);<a name="line.568"></a>
-<span class="sourceLineNo">569</span> storeFlushCtx.prepare();<a name="line.569"></a>
-<span class="sourceLineNo">570</span> // Now add two entries to the foreground memstore.<a name="line.570"></a>
-<span class="sourceLineNo">571</span> Put p2 = new Put(row);<a name="line.571"></a>
-<span class="sourceLineNo">572</span> p2.add(new KeyValue(row, COLUMN_FAMILY_BYTES, qual2, 2, (byte[])null));<a name="line.572"></a>
-<span class="sourceLineNo">573</span> p2.add(new KeyValue(row, COLUMN_FAMILY_BYTES, qual3, 3, (byte[])null));<a name="line.573"></a>
-<span class="sourceLineNo">574</span> region.put(p2);<a name="line.574"></a>
-<span class="sourceLineNo">575</span> // Now try close on top of a failing flush.<a name="line.575"></a>
-<span class="sourceLineNo">576</span> region.close();<a name="line.576"></a>
-<span class="sourceLineNo">577</span> fail();<a name="line.577"></a>
-<span class="sourceLineNo">578</span> } catch (DroppedSnapshotException dse) {<a name="line.578"></a>
-<span class="sourceLineNo">579</span> // Expected<a name="line.579"></a>
-<span class="sourceLineNo">580</span> LOG.info("Expected DroppedSnapshotException");<a name="line.580"></a>
-<span class="sourceLineNo">581</span> } finally {<a name="line.581"></a>
-<span class="sourceLineNo">582</span> // Make it so all writes succeed from here on out so can close clean<a name="line.582"></a>
-<span class="sourceLineNo">583</span> ffs.fault.set(false);<a name="line.583"></a>
-<span class="sourceLineNo">584</span> HBaseTestingUtility.closeRegionAndWAL(region);<a name="line.584"></a>
-<span class="sourceLineNo">585</span> }<a name="line.585"></a>
-<span class="sourceLineNo">586</span> return null;<a name="line.586"></a>
-<span class="sourceLineNo">587</span> }<a name="line.587"></a>
-<span class="sourceLineNo">588</span> });<a name="line.588"></a>
-<span class="sourceLineNo">589</span> FileSystem.closeAllForUGI(user.getUGI());<a name="line.589"></a>
-<span class="sourceLineNo">590</span> }<a name="line.590"></a>
-<span class="sourceLineNo">591</span><a name="line.591"></a>
-<span class="sourceLineNo">592</span> @Test<a name="line.592"></a>
-<span class="sourceLineNo">593</span> public void testCompactionAffectedByScanners() throws Exception {<a name="line.593"></a>
-<span class="sourceLineNo">594</span> byte[] family = Bytes.toBytes("family");<a name="line.594"></a>
-<span class="sourceLineNo">595</span> this.region = initHRegion(tableName, method, CONF, family);<a name="line.595"></a>
-<span class="sourceLineNo">596</span><a name="line.596"></a>
-<span class="sourceLineNo">597</span> Put put = new Put(Bytes.toBytes("r1"));<a name="line.597"></a>
-<span class="sourceLineNo">598</span> put.addColumn(family, Bytes.toBytes("q1"), Bytes.toBytes("v1"));<a name="line.598"></a>
-<span class="sourceLineNo">599</span> region.put(put);<a name="line.599"></a>
-<span class="sourceLineNo">600</span> region.flush(true);<a name="line.600"></a>
-<span class="sourceLineNo">601</span><a name="line.601"></a>
-<span class="sourceLineNo">602</span> Scan scan = new Scan();<a name="line.602"></a>
-<span class="sourceLineNo">603</span> scan.setMaxVersions(3);<a name="line.603"></a>
-<span class="sourceLineNo">604</span> // open the first scanner<a name="line.604"></a>
-<span class="sourceLineNo">605</span> RegionScanner scanner1 = region.getScanner(scan);<a name="line.605"></a>
-<span class="sourceLineNo">606</span><a name="line.606"></a>
-<span class="sourceLineNo">607</span> Delete delete = new Delete(Bytes.toBytes("r1"));<a name="line.607"></a>
-<span class="sourceLineNo">608</span> region.delete(delete);<a name="line.608"></a>
-<span class="sourceLineNo">609</span> region.flush(true);<a name="line.609"></a>
-<span class="sourceLineNo">610</span><a name="line.610"></a>
-<span class="sourceLineNo">611</span> // open the second scanner<a name="line.611"></a>
-<span class="sourceLineNo">612</span> RegionScanner scanner2 = region.getScanner(scan);<a name="line.612"></a>
-<span class="sourceLineNo">613</span><a name="line.613"></a>
-<span class="sourceLineNo">614</span> List<Cell> results = new ArrayList<>();<a name="line.614"></a>
+<span class="sourceLineNo">117</span>import org.apache.hadoop.hbase.coprocessor.CoprocessorHost;<a name="line.117"></a>
+<span class="sourceLineNo">118</span>import org.apache.hadoop.hbase.exceptions.FailedSanityCheckException;<a name="line.118"></a>
+<span class="sourceLineNo">119</span>import org.apache.hadoop.hbase.filter.BigDecimalComparator;<a name="line.119"></a>
+<span class="sourceLineNo">120</span>import org.apache.hadoop.hbase.filter.BinaryComparator;<a name="line.120"></a>
+<span class="sourceLineNo">121</span>import org.apache.hadoop.hbase.filter.ColumnCountGetFilter;<a name="line.121"></a>
+<span class="sourceLineNo">122</span>import org.apache.hadoop.hbase.filter.CompareFilter.CompareOp;<a name="line.122"></a>
+<span class="sourceLineNo">123</span>import org.apache.hadoop.hbase.filter.Filter;<a name="line.123"></a>
+<span class="sourceLineNo">124</span>import org.apache.hadoop.hbase.filter.FilterBase;<a name="line.124"></a>
+<span class="sourceLineNo">125</span>import org.apache.hadoop.hbase.filter.FilterList;<a name="line.125"></a>
+<span class="sourceLineNo">126</span>import org.apache.hadoop.hbase.filter.NullComparator;<a name="line.126"></a>
+<span class="sourceLineNo">127</span>import org.apache.hadoop.hbase.filter.PrefixFilter;<a name="line.127"></a>
+<span class="sourceLineNo">128</span>import org.apache.hadoop.hbase.filter.SingleColumnValueExcludeFilter;<a name="line.128"></a>
+<span class="sourceLineNo">129</span>import org.apache.hadoop.hbase.filter.SingleColumnValueFilter;<a name="line.129"></a>
+<span class="sourceLineNo">130</span>import org.apache.hadoop.hbase.filter.SubstringComparator;<a name="line.130"></a>
+<span class="sourceLineNo">131</span>import org.apache.hadoop.hbase.filter.ValueFilter;<a name="line.131"></a>
+<span class="sourceLineNo">132</span>import org.apache.hadoop.hbase.io.hfile.HFile;<a name="line.132"></a>
+<span class="sourceLineNo">133</span>import org.apache.hadoop.hbase.monitoring.MonitoredRPCHandler;<a name="line.133"></a>
+<span class="sourceLineNo">134</span>import org.apache.hadoop.hbase.monitoring.MonitoredTask;<a name="line.134"></a>
+<span class="sourceLineNo">135</span>import org.apache.hadoop.hbase.monitoring.TaskMonitor;<a name="line.135"></a>
+<span class="sourceLineNo">136</span>import org.apache.hadoop.hbase.regionserver.HRegion.MutationBatchOperation;<a name="line.136"></a>
+<span class="sourceLineNo">137</span>import org.apache.hadoop.hbase.regionserver.HRegion.RegionScannerImpl;<a name="line.137"></a>
+<span class="sourceLineNo">138</span>import org.apache.hadoop.hbase.regionserver.Region.RowLock;<a name="line.138"></a>
+<span class="sourceLineNo">139</span>import org.apache.hadoop.hbase.regionserver.TestHStore.FaultyFileSystem;<a name="line.139"></a>
+<span class="sourceLineNo">140</span>import org.apache.hadoop.hbase.regionserver.compactions.CompactionRequestImpl;<a name="line.140"></a>
+<span class="sourceLineNo">141</span>import org.apache.hadoop.hbase.regionserver.wal.FSHLog;<a name="line.141"></a>
+<span class="sourceLineNo">142</span>import org.apache.hadoop.hbase.regionserver.wal.MetricsWALSource;<a name="line.142"></a>
+<span class="sourceLineNo">143</span>import org.apache.hadoop.hbase.regionserver.wal.WALUtil;<a name="line.143"></a>
+<span class="sourceLineNo">144</span>import org.apache.hadoop.hbase.replication.regionserver.ReplicationObserver;<a name="line.144"></a>
+<span class="sourceLineNo">145</span>import org.apache.hadoop.hbase.security.User;<a name="line.145"></a>
+<span class="sourceLineNo">146</span>import org.apache.hadoop.hbase.test.MetricsAssertHelper;<a name="line.146"></a>
+<span class="sourceLineNo">147</span>import org.apache.hadoop.hbase.testclassification.LargeTests;<a name="line.147"></a>
+<span class="sourceLineNo">148</span>import org.apache.hadoop.hbase.testclassification.VerySlowRegionServerTests;<a name="line.148"></a>
+<span class="sourceLineNo">149</span>import org.apache.hadoop.hbase.util.Bytes;<a name="line.149"></a>
+<span class="sourceLineNo">150</span>import org.apache.hadoop.hbase.util.EnvironmentEdgeManager;<a name="line.150"></a>
+<span class="sourceLineNo">151</span>import org.apache.hadoop.hbase.util.EnvironmentEdgeManagerTestHelper;<a name="line.151"></a>
+<span class="sourceLineNo">152</span>import org.apache.hadoop.hbase.util.FSUtils;<a name="line.152"></a>
+<span class="sourceLineNo">153</span>import org.apache.hadoop.hbase.util.IncrementingEnvironmentEdge;<a name="line.153"></a>
+<span class="sourceLineNo">154</span>import org.apache.hadoop.hbase.util.ManualEnvironmentEdge;<a name="line.154"></a>
+<span class="sourceLineNo">155</span>import org.apache.hadoop.hbase.util.Threads;<a name="line.155"></a>
+<span class="sourceLineNo">156</span>import org.apache.hadoop.hbase.wal.AbstractFSWALProvider;<a name="line.156"></a>
+<span class="sourceLineNo">157</span>import org.apache.hadoop.hbase.wal.FaultyFSLog;<a name="line.157"></a>
+<span class="sourceLineNo">158</span>import org.apache.hadoop.hbase.wal.WAL;<a name="line.158"></a>
+<span class="sourceLineNo">159</span>import org.apache.hadoop.hbase.wal.WALEdit;<a name="line.159"></a>
+<span class="sourceLineNo">160</span>import org.apache.hadoop.hbase.wal.WALFactory;<a name="line.160"></a>
+<span class="sourceLineNo">161</span>import org.apache.hadoop.hbase.wal.WALKeyImpl;<a name="line.161"></a>
+<span class="sourceLineNo">162</span>import org.apache.hadoop.hbase.wal.WALProvider;<a name="line.162"></a>
+<span class="sourceLineNo">163</span>import org.apache.hadoop.hbase.wal.WALProvider.Writer;<a name="line.163"></a>
+<span class="sourceLineNo">164</span>import org.apache.hadoop.hbase.wal.WALSplitter;<a name="line.164"></a>
+<span class="sourceLineNo">165</span>import org.junit.After;<a name="line.165"></a>
+<span class="sourceLineNo">166</span>import org.junit.Assert;<a name="line.166"></a>
+<span class="sourceLineNo">167</span>import org.junit.Before;<a name="line.167"></a>
+<span class="sourceLineNo">168</span>import org.junit.ClassRule;<a name="line.168"></a>
+<span class="sourceLineNo">169</span>import org.junit.Rule;<a name="line.169"></a>
+<span class="sourceLineNo">170</span>import org.junit.Test;<a name="line.170"></a>
+<span class="sourceLineNo">171</span>import org.junit.experimental.categories.Category;<a name="line.171"></a>
+<span class="sourceLineNo">172</span>import org.junit.rules.ExpectedException;<a name="line.172"></a>
+<span class="sourceLineNo">173</span>import org.junit.rules.TestName;<a name="line.173"></a>
+<span class="sourceLineNo">174</span>import org.mockito.ArgumentCaptor;<a name="line.174"></a>
+<span class="sourceLineNo">175</span>import org.mockito.ArgumentMatcher;<a name="line.175"></a>
+<span class="sourceLineNo">176</span>import org.mockito.Mockito;<a name="line.176"></a>
+<span class="sourceLineNo">177</span>import org.mockito.invocation.InvocationOnMock;<a name="line.177"></a>
+<span class="sourceLineNo">178</span>import org.mockito.stubbing.Answer;<a name="line.178"></a>
+<span class="sourceLineNo">179</span>import org.slf4j.Logger;<a name="line.179"></a>
+<span class="sourceLineNo">180</span>import org.slf4j.LoggerFactory;<a name="line.180"></a>
+<span class="sourceLineNo">181</span><a name="line.181"></a>
+<span class="sourceLineNo">182</span>import org.apache.hbase.thirdparty.com.google.common.collect.Lists;<a name="line.182"></a>
+<span class="sourceLineNo">183</span>import org.apache.hbase.thirdparty.com.google.protobuf.ByteString;<a name="line.183"></a>
+<span class="sourceLineNo">184</span><a name="line.184"></a>
+<span class="sourceLineNo">185</span>import org.apache.hadoop.hbase.shaded.protobuf.ProtobufUtil;<a name="line.185"></a>
+<span class="sourceLineNo">186</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.WALProtos.CompactionDescriptor;<a name="line.186"></a>
+<span class="sourceLineNo">187</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.WALProtos.FlushDescriptor;<a name="line.187"></a>
+<span class="sourceLineNo">188</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.WALProtos.FlushDescriptor.FlushAction;<a name="line.188"></a>
+<span class="sourceLineNo">189</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.WALProtos.FlushDescriptor.StoreFlushDescriptor;<a name="line.189"></a>
+<span class="sourceLineNo">190</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.WALProtos.RegionEventDescriptor;<a name="line.190"></a>
+<span class="sourceLineNo">191</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.WALProtos.StoreDescriptor;<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> * Basic stand-alone testing of HRegion. No clusters!<a name="line.194"></a>
+<span class="sourceLineNo">195</span> *<a name="line.195"></a>
+<span class="sourceLineNo">196</span> * A lot of the meta information for an HRegion now lives inside other HRegions<a name="line.196"></a>
+<span class="sourceLineNo">197</span> * or in the HBaseMaster, so only basic testing is possible.<a name="line.197"></a>
+<span class="sourceLineNo">198</span> */<a name="line.198"></a>
+<span class="sourceLineNo">199</span>@Category({VerySlowRegionServerTests.class, LargeTests.class})<a name="line.199"></a>
+<span class="sourceLineNo">200</span>@SuppressWarnings("deprecation")<a name="line.200"></a>
+<span class="sourceLineNo">201</span>public class TestHRegion {<a name="line.201"></a>
+<span class="sourceLineNo">202</span><a name="line.202"></a>
+<span class="sourceLineNo">203</span> @ClassRule<a name="line.203"></a>
+<span class="sourceLineNo">204</span> public static final HBaseClassTestRule CLASS_RULE =<a name="line.204"></a>
+<span class="sourceLineNo">205</span> HBaseClassTestRule.forClass(TestHRegion.class);<a name="line.205"></a>
+<span class="sourceLineNo">206</span><a name="line.206"></a>
+<span class="sourceLineNo">207</span> // Do not spin up clusters in here. If you need to spin up a cluster, do it<a name="line.207"></a>
+<span class="sourceLineNo">208</span> // over in TestHRegionOnCluster.<a name="line.208"></a>
+<span class="sourceLineNo">209</span> private static final Logger LOG = LoggerFactory.getLogger(TestHRegion.class);<a name="line.209"></a>
+<span class="sourceLineNo">210</span> @Rule<a name="line.210"></a>
+<span class="sourceLineNo">211</span> public TestName name = new TestName();<a name="line.211"></a>
+<span class="sourceLineNo">212</span> @Rule public final ExpectedException thrown = ExpectedException.none();<a name="line.212"></a>
+<span class="sourceLineNo">213</span><a name="line.213"></a>
+<span class="sourceLineNo">214</span> private static final String COLUMN_FAMILY = "MyCF";<a name="line.214"></a>
+<span class="sourceLineNo">215</span> private static final byte [] COLUMN_FAMILY_BYTES = Bytes.toBytes(COLUMN_FAMILY);<a name="line.215"></a>
+<span class="sourceLineNo">216</span><a name="line.216"></a>
+<span class="sourceLineNo">217</span> HRegion region = null;<a name="line.217"></a>
+<span class="sourceLineNo">218</span> // Do not run unit tests in parallel (? Why not? It don't work? Why not? St.Ack)<a name="line.218"></a>
+<span class="sourceLineNo">219</span> protected static HBaseTestingUtility TEST_UTIL;<a name="line.219"></a>
+<span class="sourceLineNo">220</span> public static Configuration CONF ;<a name="line.220"></a>
+<span class="sourceLineNo">221</span> private String dir;<a name="line.221"></a>
+<span class="sourceLineNo">222</span> private final int MAX_VERSIONS = 2;<a name="line.222"></a>
+<span class="sourceLineNo">223</span><a name="line.223"></a>
+<span class="sourceLineNo">224</span> // Test names<a name="line.224"></a>
+<span class="sourceLineNo">225</span> protected TableName tableName;<a name="line.225"></a>
+<span class="sourceLineNo">226</span> protected String method;<a name="line.226"></a>
+<span class="sourceLineNo">227</span> protected final byte[] qual = Bytes.toBytes("qual");<a name="line.227"></a>
+<span class="sourceLineNo">228</span> protected final byte[] qual1 = Bytes.toBytes("qual1");<a name="line.228"></a>
+<span class="sourceLineNo">229</span> protected final byte[] qual2 = Bytes.toBytes("qual2");<a name="line.229"></a>
+<span class="sourceLineNo">230</span> protected final byte[] qual3 = Bytes.toBytes("qual3");<a name="line.230"></a>
+<span class="sourceLineNo">231</span> protected final byte[] value = Bytes.toBytes("value");<a name="line.231"></a>
+<span class="sourceLineNo">232</span> protected final byte[] value1 = Bytes.toBytes("value1");<a name="line.232"></a>
+<span class="sourceLineNo">233</span> protected final byte[] value2 = Bytes.toBytes("value2");<a name="line.233"></a>
+<span class="sourceLineNo">234</span> protected final byte[] row = Bytes.toBytes("rowA");<a name="line.234"></a>
+<span class="sourceLineNo">235</span> protected final byte[] row2 = Bytes.toBytes("rowB");<a name="line.235"></a>
+<span class="sourceLineNo">236</span><a name="line.236"></a>
+<span class="sourceLineNo">237</span> protected final MetricsAssertHelper metricsAssertHelper = CompatibilitySingletonFactory<a name="line.237"></a>
+<span class="sourceLineNo">238</span> .getInstance(MetricsAssertHelper.class);<a name="line.238"></a>
+<span class="sourceLineNo">239</span><a name="line.239"></a>
+<span class="sourceLineNo">240</span> @Before<a name="line.240"></a>
+<span class="sourceLineNo">241</span> public void setup() throws IOException {<a name="line.241"></a>
+<span class="sourceLineNo">242</span> TEST_UTIL = HBaseTestingUtility.createLocalHTU();<a name="line.242"></a>
+<span class="sourceLineNo">243</span> CONF = TEST_UTIL.getConfiguration();<a name="line.243"></a>
+<span class="sourceLineNo">244</span> dir = TEST_UTIL.getDataTestDir("TestHRegion").toString();<a name="line.244"></a>
+<span class="sourceLineNo">245</span> method = name.getMethodName();<a name="line.245"></a>
+<span class="sourceLineNo">246</span> tableName = TableName.valueOf(method);<a name="line.246"></a>
+<span class="sourceLineNo">247</span> CONF.set(CompactingMemStore.IN_MEMORY_FLUSH_THRESHOLD_FACTOR_KEY, String.valueOf(0.09));<a name="line.247"></a>
+<span class="sourceLineNo">248</span> }<a name="line.248"></a>
+<span class="sourceLineNo">249</span><a name="line.249"></a>
+<span class="sourceLineNo">250</span> @After<a name="line.250"></a>
+<span class="sourceLineNo">251</span> public void tearDown() throws IOException {<a name="line.251"></a>
+<span class="sourceLineNo">252</span> // Region may have been closed, but it is still no harm if we close it again here using HTU.<a name="line.252"></a>
+<span class="sourceLineNo">253</span> HBaseTestingUtility.closeRegionAndWAL(region);<a name="line.253"></a>
+<span class="sourceLineNo">254</span> EnvironmentEdgeManagerTestHelper.reset();<a name="line.254"></a>
+<span class="sourceLineNo">255</span> LOG.info("Cleaning test directory: " + TEST_UTIL.getDataTestDir());<a name="line.255"></a>
+<span class="sourceLineNo">256</span> TEST_UTIL.cleanupTestDir();<a name="line.256"></a>
+<span class="sourceLineNo">257</span> }<a name="line.257"></a>
+<span class="sourceLineNo">258</span><a name="line.258"></a>
+<span class="sourceLineNo">259</span> /**<a name="line.259"></a>
+<span class="sourceLineNo">260</span> * Test that I can use the max flushed sequence id after the close.<a name="line.260"></a>
+<span class="sourceLineNo">261</span> * @throws IOException<a name="line.261"></a>
+<span class="sourceLineNo">262</span> */<a name="line.262"></a>
+<span class="sourceLineNo">263</span> @Test<a name="line.263"></a>
+<span class="sourceLineNo">264</span> public void testSequenceId() throws IOException {<a name="line.264"></a>
+<span class="sourceLineNo">265</span> region = initHRegion(tableName, method, CONF, COLUMN_FAMILY_BYTES);<a name="line.265"></a>
+<span class="sourceLineNo">266</span> assertEquals(HConstants.NO_SEQNUM, region.getMaxFlushedSeqId());<a name="line.266"></a>
+<span class="sourceLineNo">267</span> // Weird. This returns 0 if no store files or no edits. Afraid to change it.<a name="line.267"></a>
+<span class="sourceLineNo">268</span> assertEquals(0, (long)region.getMaxStoreSeqId().get(COLUMN_FAMILY_BYTES));<a name="line.268"></a>
+<span class="sourceLineNo">269</span> region.close();<a name="line.269"></a>
+<span class="sourceLineNo">270</span> assertEquals(HConstants.NO_SEQNUM, region.getMaxFlushedSeqId());<a name="line.270"></a>
+<span class="sourceLineNo">271</span> assertEquals(0, (long)region.getMaxStoreSeqId().get(COLUMN_FAMILY_BYTES));<a name="line.271"></a>
+<span class="sourceLineNo">272</span> // Open region again.<a name="line.272"></a>
+<span class="sourceLineNo">273</span> region = initHRegion(tableName, method, CONF, COLUMN_FAMILY_BYTES);<a name="line.273"></a>
+<span class="sourceLineNo">274</span> byte [] value = Bytes.toBytes(method);<a name="line.274"></a>
+<span class="sourceLineNo">275</span> // Make a random put against our cf.<a name="line.275"></a>
+<span class="sourceLineNo">276</span> Put put = new Put(value);<a name="line.276"></a>
+<span class="sourceLineNo">277</span> put.addColumn(COLUMN_FAMILY_BYTES, null, value);<a name="line.277"></a>
+<span class="sourceLineNo">278</span> region.put(put);<a name="line.278"></a>
+<span class="sourceLineNo">279</span> // No flush yet so init numbers should still be in place.<a name="line.279"></a>
+<span class="sourceLineNo">280</span> assertEquals(HConstants.NO_SEQNUM, region.getMaxFlushedSeqId());<a name="line.280"></a>
+<span class="sourceLineNo">281</span> assertEquals(0, (long)region.getMaxStoreSeqId().get(COLUMN_FAMILY_BYTES));<a name="line.281"></a>
+<span class="sourceLineNo">282</span> region.flush(true);<a name="line.282"></a>
+<span class="sourceLineNo">283</span> long max = region.getMaxFlushedSeqId();<a name="line.283"></a>
+<span class="sourceLineNo">284</span> region.close();<a name="line.284"></a>
+<span class="sourceLineNo">285</span> assertEquals(max, region.getMaxFlushedSeqId());<a name="line.285"></a>
+<span class="sourceLineNo">286</span> }<a name="line.286"></a>
+<span class="sourceLineNo">287</span><a name="line.287"></a>
+<span class="sourceLineNo">288</span> /**<a name="line.288"></a>
+<span class="sourceLineNo">289</span> * Test for Bug 2 of HBASE-10466.<a name="line.289"></a>
+<span class="sourceLineNo">290</span> * "Bug 2: Conditions for the first flush of region close (so-called pre-flush) If memstoreSize<a name="line.290"></a>
+<span class="sourceLineNo">291</span> * is smaller than a certain value, or when region close starts a flush is ongoing, the first<a name="line.291"></a>
+<span class="sourceLineNo">292</span> * flush is skipped and only the second flush takes place. However, two flushes are required in<a name="line.292"></a>
+<span class="sourceLineNo">293</span> * case previous flush fails and leaves some data in snapshot. The bug could cause loss of data<a name="line.293"></a>
+<span class="sourceLineNo">294</span> * in current memstore. The fix is removing all conditions except abort check so we ensure 2<a name="line.294"></a>
+<span class="sourceLineNo">295</span> * flushes for region close."<a name="line.295"></a>
+<span class="sourceLineNo">296</span> * @throws IOException<a name="line.296"></a>
+<span class="sourceLineNo">297</span> */<a name="line.297"></a>
+<span class="sourceLineNo">298</span> @Test<a name="line.298"></a>
+<span class="sourceLineNo">299</span> public void testCloseCarryingSnapshot() throws IOException {<a name="line.299"></a>
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+<span class="sourceLineNo">301</span> HStore store = region.getStore(COLUMN_FAMILY_BYTES);<a name="line.301"></a>
+<span class="sourceLineNo">302</span> // Get some random bytes.<a name="line.302"></a>
+<span class="sourceLineNo">303</span> byte [] value = Bytes.toBytes(method);<a name="line.303"></a>
+<span class="sourceLineNo">304</span> // Make a random put against our cf.<a name="line.304"></a>
+<span class="sourceLineNo">305</span> Put put = new Put(value);<a name="line.305"></a>
+<span class="sourceLineNo">306</span> put.addColumn(COLUMN_FAMILY_BYTES, null, value);<a name="line.306"></a>
+<span class="sourceLineNo">307</span> // First put something in current memstore, which will be in snapshot after flusher.prepare()<a name="line.307"></a>
+<span class="sourceLineNo">308</span> region.put(put);<a name="line.308"></a>
+<span class="sourceLineNo">309</span> StoreFlushContext storeFlushCtx = store.createFlushContext(12345, FlushLifeCycleTracker.DUMMY);<a name="line.309"></a>
+<span class="sourceLineNo">310</span> storeFlushCtx.prepare();<a name="line.310"></a>
+<span class="sourceLineNo">311</span> // Second put something in current memstore<a name="line.311"></a>
+<span class="sourceLineNo">312</span> put.addColumn(COLUMN_FAMILY_BYTES, Bytes.toBytes("abc"), value);<a name="line.312"></a>
+<span class="sourceLineNo">313</span> region.put(put);<a name="line.313"></a>
+<span class="sourceLineNo">314</span> // Close with something in memstore and something in the snapshot. Make sure all is cleared.<a name="line.314"></a>
+<span class="sourceLineNo">315</span> region.close();<a name="line.315"></a>
+<span class="sourceLineNo">316</span> assertEquals(0, region.getMemStoreDataSize());<a name="line.316"></a>
+<span class="sourceLineNo">317</span> HBaseTestingUtility.closeRegionAndWAL(region);<a name="line.317"></a>
+<span class="sourceLineNo">318</span> }<a name="line.318"></a>
+<span class="sourceLineNo">319</span><a name="line.319"></a>
+<span class="sourceLineNo">320</span> /*<a name="line.320"></a>
+<span class="sourceLineNo">321</span> * This test is for verifying memstore snapshot size is correctly updated in case of rollback<a name="line.321"></a>
+<span class="sourceLineNo">322</span> * See HBASE-10845<a name="line.322"></a>
+<span class="sourceLineNo">323</span> */<a name="line.323"></a>
+<span class="sourceLineNo">324</span> @Test<a name="line.324"></a>
+<span class="sourceLineNo">325</span> public void testMemstoreSnapshotSize() throws IOException {<a name="line.325"></a>
+<span class="sourceLineNo">326</span> class MyFaultyFSLog extends FaultyFSLog {<a name="line.326"></a>
+<span class="sourceLineNo">327</span> StoreFlushContext storeFlushCtx;<a name="line.327"></a>
+<span class="sourceLineNo">328</span> public MyFaultyFSLog(FileSystem fs, Path rootDir, String logName, Configuration conf)<a name="line.328"></a>
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+<span class="sourceLineNo">330</span> super(fs, rootDir, logName, conf);<a name="line.330"></a>
+<span class="sourceLineNo">331</span> }<a name="line.331"></a>
+<span class="sourceLineNo">332</span><a name="line.332"></a>
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+<span class="sourceLineNo">335</span> }<a name="line.335"></a>
+<span class="sourceLineNo">336</span><a name="line.336"></a>
+<span class="sourceLineNo">337</span> @Override<a name="line.337"></a>
+<span class="sourceLineNo">338</span> public void sync(long txid) throws IOException {<a name="line.338"></a>
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+<span class="sourceLineNo">340</span> super.sync(txid);<a name="line.340"></a>
+<span class="sourceLineNo">341</span> }<a name="line.341"></a>
+<span class="sourceLineNo">342</span> }<a name="line.342"></a>
+<span class="sourceLineNo">343</span><a name="line.343"></a>
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+<span class="sourceLineNo">345</span> Path rootDir = new Path(dir + "testMemstoreSnapshotSize");<a name="line.345"></a>
+<span class="sourceLineNo">346</span> MyFaultyFSLog faultyLog = new MyFaultyFSLog(fs, rootDir, "testMemstoreSnapshotSize", CONF);<a name="line.346"></a>
+<span class="sourceLineNo">347</span> faultyLog.init();<a name="line.347"></a>
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+<span class="sourceLineNo">349</span> COLUMN_FAMILY_BYTES);<a name="line.349"></a>
+<span class="sourceLineNo">350</span><a name="line.350"></a>
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+<span class="sourceLineNo">355</span><a name="line.355"></a>
+<span class="sourceLineNo">356</span> Put put = new Put(value);<a name="line.356"></a>
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+<span class="sourceLineNo">359</span> boolean threwIOE = false;<a name="line.359"></a>
+<span class="sourceLineNo">360</span> try {<a name="line.360"></a>
+<span class="sourceLineNo">361</span> region.put(put);<a name="line.361"></a>
+<span class="sourceLineNo">362</span> } catch (IOException ioe) {<a name="line.362"></a>
+<span class="sourceLineNo">363</span> threwIOE = true;<a name="line.363"></a>
+<span class="sourceLineNo">364</span> } finally {<a name="line.364"></a>
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+<span class="sourceLineNo">366</span> }<a name="line.366"></a>
+<span class="sourceLineNo">367</span> MemStoreSize mss = store.getFlushableSize();<a name="line.367"></a>
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+<span class="sourceLineNo">369</span> mss.getDataSize() == 0);<a name="line.369"></a>
+<span class="sourceLineNo">370</span> }<a name="line.370"></a>
+<span class="sourceLineNo">371</span><a name="line.371"></a>
+<span class="sourceLineNo">372</span> /**<a name="line.372"></a>
+<span class="sourceLineNo">373</span> * Create a WAL outside of the usual helper in<a name="line.373"></a>
+<span class="sourceLineNo">374</span> * {@link HBaseTestingUtility#createWal(Configuration, Path, RegionInfo)} because that method<a name="line.374"></a>
+<span class="sourceLineNo">375</span> * doesn't play nicely with FaultyFileSystem. Call this method before overriding<a name="line.375"></a>
+<span class="sourceLineNo">376</span> * {@code fs.file.impl}.<a name="line.376"></a>
+<span class="sourceLineNo">377</span> * @param callingMethod a unique component for the path, probably the name of the test method.<a name="line.377"></a>
+<span class="sourceLineNo">378</span> */<a name="line.378"></a>
+<span class="sourceLineNo">379</span> private static WAL createWALCompatibleWithFaultyFileSystem(String callingMethod,<a name="line.379"></a>
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+<span class="sourceLineNo">381</span> final Path logDir = TEST_UTIL.getDataTestDirOnTestFS(callingMethod + ".log");<a name="line.381"></a>
+<span class="sourceLineNo">382</span> final Configuration walConf = new Configuration(conf);<a name="line.382"></a>
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+<span class="sourceLineNo">384</span> return new WALFactory(walConf, callingMethod)<a name="line.384"></a>
+<span class="sourceLineNo">385</span> .getWAL(RegionInfoBuilder.newBuilder(tableName).build());<a name="line.385"></a>
+<span class="sourceLineNo">386</span> }<a name="line.386"></a>
+<span class="sourceLineNo">387</span><a name="line.387"></a>
+<span class="sourceLineNo">388</span> @Test<a name="line.388"></a>
+<span class="sourceLineNo">389</span> public void testMemstoreSizeAccountingWithFailedPostBatchMutate() throws IOException {<a name="line.389"></a>
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+<span class="sourceLineNo">391</span> FileSystem fs = FileSystem.get(CONF);<a name="line.391"></a>
+<span class="sourceLineNo">392</span> Path rootDir = new Path(dir + testName);<a name="line.392"></a>
+<span class="sourceLineNo">393</span> FSHLog hLog = new FSHLog(fs, rootDir, testName, CONF);<a name="line.393"></a>
+<span class="sourceLineNo">394</span> hLog.init();<a name="line.394"></a>
+<span class="sourceLineNo">395</span> region = initHRegion(tableName, null, null, false, Durability.SYNC_WAL, hLog,<a name="line.395"></a>
+<span class="sourceLineNo">396</span> COLUMN_FAMILY_BYTES);<a name="line.396"></a>
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+<span class="sourceLineNo">399</span><a name="line.399"></a>
+<span class="sourceLineNo">400</span> // Put one value<a name="line.400"></a>
+<span class="sourceLineNo">401</span> byte [] value = Bytes.toBytes(method);<a name="line.401"></a>
+<span class="sourceLineNo">402</span> Put put = new Put(value);<a name="line.402"></a>
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+<span class="sourceLineNo">404</span> region.put(put);<a name="line.404"></a>
+<span class="sourceLineNo">405</span> long onePutSize = region.getMemStoreDataSize();<a name="line.405"></a>
+<span class="sourceLineNo">406</span> assertTrue(onePutSize > 0);<a name="line.406"></a>
+<span class="sourceLineNo">407</span><a name="line.407"></a>
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+<span class="sourceLineNo">409</span> doThrow(new IOException())<a name="line.409"></a>
+<span class="sourceLineNo">410</span> .when(mockedCPHost).postBatchMutate(Mockito.<MiniBatchOperationInProgress<Mutation>>any());<a name="line.410"></a>
+<span class="sourceLineNo">411</span> region.setCoprocessorHost(mockedCPHost);<a name="line.411"></a>
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+<span class="sourceLineNo">413</span> put = new Put(value);<a name="line.413"></a>
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+<span class="sourceLineNo">415</span> try {<a name="line.415"></a>
+<span class="sourceLineNo">416</span> region.put(put);<a name="line.416"></a>
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+<span class="sourceLineNo">418</span> } catch (IOException expected) {<a name="line.418"></a>
+<span class="sourceLineNo">419</span> }<a name="line.419"></a>
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+<span class="sourceLineNo">423</span> assertEquals("flushable size should be incremented",<a name="line.423"></a>
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+<span class="sourceLineNo">425</span><a name="line.425"></a>
+<span class="sourceLineNo">426</span> region.setCoprocessorHost(null);<a name="line.426"></a>
+<span class="sourceLineNo">427</span> }<a name="line.427"></a>
+<span class="sourceLineNo">428</span><a name="line.428"></a>
+<span class="sourceLineNo">429</span> /**<a name="line.429"></a>
+<span class="sourceLineNo">430</span> * A test case of HBASE-21041<a name="line.430"></a>
+<span class="sourceLineNo">431</span> * @throws Exception Exception<a name="line.431"></a>
+<span class="sourceLineNo">432</span> */<a name="line.432"></a>
+<span class="sourceLineNo">433</span> @Test<a name="line.433"></a>
+<span class="sourceLineNo">434</span> public void testFlushAndMemstoreSizeCounting() throws Exception {<a name="line.434"></a>
+<span class="sourceLineNo">435</span> byte[] family = Bytes.toBytes("family");<a name="line.435"></a>
+<span class="sourceLineNo">436</span> this.region = initHRegion(tableName, method, CONF, family);<a name="line.436"></a>
+<span class="sourceLineNo">437</span> final WALFactory wals = new WALFactory(CONF, method);<a name="line.437"></a>
+<span class="sourceLineNo">438</span> try {<a name="line.438"></a>
+<span class="sourceLineNo">439</span> for (byte[] row : HBaseTestingUtility.ROWS) {<a name="line.439"></a>
+<span class="sourceLineNo">440</span> Put put = new Put(row);<a name="line.440"></a>
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+<span class="sourceLineNo">442</span> region.put(put);<a name="line.442"></a>
+<span class="sourceLineNo">443</span> }<a name="line.443"></a>
+<span class="sourceLineNo">444</span> region.flush(true);<a name="line.444"></a>
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+<span class="sourceLineNo">447</span> // After flush, a new active mutable segment is created, so the heap size<a name="line.447"></a>
+<span class="sourceLineNo">448</span> // should equal to MutableSegment.DEEP_OVERHEAD<a name="line.448"></a>
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+<span class="sourceLineNo">450</span> // After flush, offheap should be zero<a name="line.450"></a>
+<span class="sourceLineNo">451</span> assertEquals(0, region.getMemStoreOffHeapSize());<a name="line.451"></a>
+<span class="sourceLineNo">452</span> } finally {<a name="line.452"></a>
+<span class="sourceLineNo">453</span> HBaseTestingUtility.closeRegionAndWAL(this.region);<a name="line.453"></a>
+<span class="sourceLineNo">454</span> this.region = null;<a name="line.454"></a>
+<span class="sourceLineNo">455</span> wals.close();<a name="line.455"></a>
+<span class="sourceLineNo">456</span> }<a name="line.456"></a>
+<span class="sourceLineNo">457</span> }<a name="line.457"></a>
+<span class="sourceLineNo">458</span><a name="line.458"></a>
+<span class="sourceLineNo">459</span> /**<a name="line.459"></a>
+<span class="sourceLineNo">460</span> * T
<TRUNCATED>