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Duo Zhang commented on HBASE-15338: ----------------------------------- https://builds.apache.org/job/HBase-Trunk_matrix/761/jdk=latest1.7,label=yahoo-not-h2/testReport/junit/org.apache.hadoop.hbase.io.hfile/TestCacheConfig/testDisableCacheDataBlock/ I tried locally, the testcase was also failed. {noformat} java.lang.AssertionError at org.junit.Assert.fail(Assert.java:86) at org.junit.Assert.assertTrue(Assert.java:41) at org.junit.Assert.assertTrue(Assert.java:52) at org.apache.hadoop.hbase.io.hfile.TestCacheConfig.testDisableCacheDataBlock(TestCacheConfig.java:258) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:497) at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:50) at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12) at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:47) at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17) at org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:26) at org.junit.internal.runners.statements.RunAfters.evaluate(RunAfters.java:27) at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:325) at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:78) at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:57) at org.junit.runners.ParentRunner$3.run(ParentRunner.java:290) at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:71) at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:288) at org.junit.runners.ParentRunner.access$000(ParentRunner.java:58) at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:268) at org.junit.runners.ParentRunner.run(ParentRunner.java:363) at org.eclipse.jdt.internal.junit4.runner.JUnit4TestReference.run(JUnit4TestReference.java:86) at org.eclipse.jdt.internal.junit.runner.TestExecution.run(TestExecution.java:38) at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:459) at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:675) at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:382) at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:192) {noformat} But I can not reopen the issue because it is marked as closed... [~liushaohui] Could you please open a new issue and solve this problem? Thanks. > Add a option to disable the data block cache for testing the performance of > underlying file system > -------------------------------------------------------------------------------------------------- > > Key: HBASE-15338 > URL: https://issues.apache.org/jira/browse/HBASE-15338 > Project: HBase > Issue Type: Improvement > Components: integration tests > Reporter: Liu Shaohui > Assignee: Liu Shaohui > Priority: Minor > Fix For: 2.0.0 > > Attachments: HBASE-15338-trunk-v1.diff, HBASE-15338-trunk-v2.diff, > HBASE-15338-trunk-v3.diff, HBASE-15338-trunk-v4.diff, > HBASE-15338-trunk-v5.diff, HBASE-15338-trunk-v6.diff, > HBASE-15338-trunk-v7.diff > > > When testing and comparing the performance of different file systems(HDFS, > Azure blob storage, AWS S3 and so on) for HBase, it's better to avoid the > affect of the HBase BlockCache and get the actually random read latency when > data block is read from underlying file system. (Usually, the index block and > meta block should be cached in memory in the testing). > So we add a option in CacheConfig to disable the data block cache. > Suggestions are welcomed~ Thanks -- This message was sent by Atlassian JIRA (v6.3.4#6332)