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Hadoop QA commented on HBASE-10018: ----------------------------------- {color:red}-1 overall{color}. Here are the results of testing the latest attachment http://issues.apache.org/jira/secure/attachment/12638985/10018.v6.patch against trunk revision . ATTACHMENT ID: 12638985 {color:green}+1 @author{color}. The patch does not contain any @author tags. {color:green}+1 tests included{color}. The patch appears to include 9 new or modified tests. {color:green}+1 javadoc{color}. The javadoc tool did not generate any warning messages. {color:green}+1 javac{color}. The applied patch does not increase the total number of javac compiler warnings. {color:green}+1 findbugs{color}. The patch does not introduce any new Findbugs (version 1.3.9) 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 site goal succeeds with this patch. {color:red}-1 core tests{color}. The patch failed these unit tests: org.apache.hadoop.hbase.procedure.TestZKProcedure {color:red}-1 core zombie tests{color}. There are 1 zombie test(s): at org.apache.hadoop.hbase.master.TestMasterNoCluster.testNotPullingDeadRegionServerFromZK(TestMasterNoCluster.java:298) Test results: https://builds.apache.org/job/PreCommit-HBASE-Build/9214//testReport/ Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/9214//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-hadoop2-compat.html Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/9214//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-prefix-tree.html Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/9214//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-client.html Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/9214//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-common.html Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/9214//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-protocol.html Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/9214//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-server.html Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/9214//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-examples.html Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/9214//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-thrift.html Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/9214//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-hadoop-compat.html Console output: https://builds.apache.org/job/PreCommit-HBASE-Build/9214//console This message is automatically generated. > Change the location prefetch > ---------------------------- > > Key: HBASE-10018 > URL: https://issues.apache.org/jira/browse/HBASE-10018 > Project: HBase > Issue Type: Bug > Affects Versions: 0.98.0, 0.96.0 > Reporter: Nicolas Liochon > Assignee: Nicolas Liochon > Fix For: 0.99.0 > > Attachments: 10018.v1.patch, 10018.v2.patch, 10018.v4.patch, > 10018.v5.patch, 10018.v6.patch, 10018v3.patch > > > Issues with prefetching are: > - we do two calls to meta: one for the exact row, one for the prefetch > - it's done in a lock > - we take the next 10 regions. Why 10, why the 10 next? > - is it useful if the table has 100K regions? > Options are: > - just remove it > - replace it with a reverse scan: this would save a call > -- This message was sent by Atlassian JIRA (v6.2#6252)