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Posted to issues@hbase.apache.org by "Mike Drob (JIRA)" <ji...@apache.org> on 2018/04/22 00:18:00 UTC

[jira] [Reopened] (HBASE-20459) Majority of scan CPU time in HBase-1 spent in size estimation

     [ https://issues.apache.org/jira/browse/HBASE-20459?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Mike Drob reopened HBASE-20459:
-------------------------------

reopening to mark that this patch needs to go to branch-2 and branch-2.0

> 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, 2.0.1
>
>         Attachments: 20459-v2.txt, 20459.2.0.txt, 20459.txt, HBASE-20459.branch-2.0.001.patch, Screenshot_20180419_162559.png
>
>
> See attached screenshot. Will look into a fix later.



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