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Zlatin Balevsky commented on HBASE-74: -------------------------------------- > HRegionServer: Every get can be done in parallel. > HRegion : Every family in the get can be done in parallel > HStore : Every read from memCache + storefiles can be done in parallel. Since HBASE-1935 is addressing paralellism at HRegionServer level, is this issue going to tackle both HRegion and HStore levels? > [performance] When a get or scan request spans multiple columns, execute the > reads in parallel > ---------------------------------------------------------------------------------------------- > > Key: HBASE-74 > URL: https://issues.apache.org/jira/browse/HBASE-74 > Project: Hadoop HBase > Issue Type: Improvement > Components: regionserver > Reporter: Jim Kellerman > Assignee: stack > Priority: Critical > Fix For: 0.21.0 > > > When a get or scan request spans multiple columns, execute the reads in > parallel and use a CountDownLatch to wait for them to complete before > returning the results. -- This message is automatically generated by JIRA. - You can reply to this email to add a comment to the issue online.