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Hadoop QA commented on HBASE-12295: ----------------------------------- {color:red}-1 overall{color}. Here are the results of testing the latest attachment http://issues.apache.org/jira/secure/attachment/12745808/HBASE-12295_16.patch against master branch at commit 834f87b23de533783ba5f5b858327a6164f17f55. ATTACHMENT ID: 12745808 {color:green}+1 @author{color}. The patch does not contain any @author tags. {color:green}+1 tests included{color}. The patch appears to include 49 new or modified tests. {color:green}+1 hadoop versions{color}. The patch compiles with all supported hadoop versions (2.4.0 2.4.1 2.5.0 2.5.1 2.5.2 2.6.0 2.7.0) {color:green}+1 javac{color}. The applied patch does not increase the total number of javac compiler warnings. {color:green}+1 protoc{color}. The applied patch does not increase the total number of protoc compiler warnings. {color:green}+1 javadoc{color}. The javadoc tool did not generate any warning messages. {color:red}-1 checkstyle{color}. The applied patch generated 1873 checkstyle errors (more than the master's current 1871 errors). {color:green}+1 findbugs{color}. The patch does not introduce any new Findbugs (version 2.0.3) warnings. {color:green}+1 release audit{color}. The applied patch does not increase the total number of release audit warnings. {color:green}+1 lineLengths{color}. The patch does not introduce lines longer than 100 {color:green}+1 site{color}. The mvn post-site goal succeeds with this patch. {color:red}-1 core tests{color}. The patch failed these unit tests: org.apache.hadoop.hbase.regionserver.TestEndToEndSplitTransaction org.apache.hadoop.hbase.regionserver.TestRegionReplicas org.apache.hadoop.hbase.master.TestDistributedLogSplitting {color:red}-1 core zombie tests{color}. There are 4 zombie test(s): at org.apache.hadoop.hbase.client.TestBlockEvictionFromClient.testScanWithCompactionInternals(TestBlockEvictionFromClient.java:837) at org.apache.hadoop.hbase.client.TestBlockEvictionFromClient.testScanWithCompaction(TestBlockEvictionFromClient.java:799) at org.apache.hadoop.hbase.client.TestReplicasClient.testSmallScanWithReplicas(TestReplicasClient.java:606) at org.apache.hadoop.hbase.client.TestRestoreSnapshotFromClient.testRestoreSnapshot(TestRestoreSnapshotFromClient.java:162) at org.apache.hadoop.hbase.client.TestMetaWithReplicas.testMetaAddressChange(TestMetaWithReplicas.java:392) Test results: https://builds.apache.org/job/PreCommit-HBASE-Build/14816//testReport/ Release Findbugs (version 2.0.3) warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/14816//artifact/patchprocess/newFindbugsWarnings.html Checkstyle Errors: https://builds.apache.org/job/PreCommit-HBASE-Build/14816//artifact/patchprocess/checkstyle-aggregate.html Console output: https://builds.apache.org/job/PreCommit-HBASE-Build/14816//console This message is automatically generated. > Prevent block eviction under us if reads are in progress from the BBs > --------------------------------------------------------------------- > > Key: HBASE-12295 > URL: https://issues.apache.org/jira/browse/HBASE-12295 > Project: HBase > Issue Type: Sub-task > Components: regionserver, Scanners > Reporter: ramkrishna.s.vasudevan > Assignee: ramkrishna.s.vasudevan > Fix For: 2.0.0 > > Attachments: HBASE-12295.pdf, HBASE-12295_1.patch, HBASE-12295_1.pdf, > HBASE-12295_10.patch, HBASE-12295_12.patch, HBASE-12295_14.patch, > HBASE-12295_15.patch, HBASE-12295_16.patch, HBASE-12295_2.patch, > HBASE-12295_4.patch, HBASE-12295_4.pdf, HBASE-12295_5.pdf, > HBASE-12295_9.patch, HBASE-12295_trunk.patch > > > While we try to serve the reads from the BBs directly from the block cache, > we need to ensure that the blocks does not get evicted under us while > reading. This JIRA is to discuss and implement a strategy for the same. -- This message was sent by Atlassian JIRA (v6.3.4#6332)