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stack commented on HBASE-4528: ------------------------------ Do these tests fail w/o this patch? {code} org.apache.hadoop.hbase.master.TestDistributedLogSplitting org.apache.hadoop.hbase.coprocessor.TestRegionServerCoprocessorExceptionWithAbort org.apache.hadoop.hbase.coprocessor.TestMasterObserver org.apache.hadoop.hbase.master.TestMasterFailover {code} I see that TestMasterObserver has been failing recently.... but TestMasterFailover and TestDistributedLogSplitting? I"m looking at TestMasterObserver here. When I run it singly, it passes -- the f'er > The put operation can release the rowlock before sync-ing the Hlog > ------------------------------------------------------------------ > > Key: HBASE-4528 > URL: https://issues.apache.org/jira/browse/HBASE-4528 > Project: HBase > Issue Type: Improvement > Components: regionserver > Reporter: dhruba borthakur > Assignee: dhruba borthakur > Fix For: 0.94.0 > > Attachments: HBASE-4528-Trunk-FINAL.patch, appendNoSync5.txt, > appendNoSyncPut1.txt, appendNoSyncPut2.txt, appendNoSyncPut3.txt, > appendNoSyncPut4.txt, appendNoSyncPut5.txt, appendNoSyncPut6.txt, > appendNoSyncPut7.txt, appendNoSyncPut8.txt > > > This allows for better throughput when there are hot rows. A single row > update improves from 100 puts/sec/server to 5000 puts/sec/server. -- This message is automatically generated by JIRA. If you think it was sent incorrectly, please contact your JIRA administrators: https://issues.apache.org/jira/secure/ContactAdministrators!default.jspa For more information on JIRA, see: http://www.atlassian.com/software/jira