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https://issues.apache.org/jira/browse/HBASE-20459?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Sean Busbey updated HBASE-20459:
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Component/s: scan
Performance
> 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.txt, Screenshot_20180419_162559.png
>
>
> See attached screenshot. Will look into a fix later.
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