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Jonathan Gray commented on HBASE-4487: -------------------------------------- +1 as well. And agree with your assessment above, Stack. Potential fatter grouping of increments and significant improvement of per-row throughput. Looking forward to getting this working for Put/MultiPut! Nice work, Dhruba. > The increment operation can release the rowlock before sync-ing the Hlog > ------------------------------------------------------------------------ > > Key: HBASE-4487 > URL: https://issues.apache.org/jira/browse/HBASE-4487 > Project: HBase > Issue Type: Improvement > Reporter: dhruba borthakur > Assignee: dhruba borthakur > Fix For: 0.94.0 > > Attachments: 4487-v7.txt, appendNoSync4.txt, appendNoSync5.txt, > appendNoSync6.txt > > > This allows for better throughput when there are hot rows.I have seen this > change make a single row update improve from 400 increments/sec/server to > 4000 increments/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