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stack commented on HBASE-20459: ------------------------------- Attached patch for branch-2.0 though haven't applied it. A few of us chatted on this and it looks good and as per [~mdrob], branch-2 has this issue to. > Majority of scan CPU time in HBase-1 spent in size estimation > ------------------------------------------------------------- > > Key: HBASE-20459 > URL: https://issues.apache.org/jira/browse/HBASE-20459 > Project: HBase > Issue Type: Improvement > Components: Performance, scan > Affects Versions: 1.4.3 > Reporter: Lars Hofhansl > Assignee: Lars Hofhansl > Priority: Critical > Fix For: 1.5.0, 1.4.4 > > Attachments: 20459.2.0.txt, 20459.txt, Screenshot_20180419_162559.png > > > See attached screenshot. Will look into a fix later. -- This message was sent by Atlassian JIRA (v7.6.3#76005)