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https://issues.apache.org/jira/browse/HBASE-27646?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Xiaolin Ha updated HBASE-27646:
-------------------------------
    Fix Version/s: 2.6.0
                   3.0.0-alpha-4
                   2.4.17
                   2.5.4

> Should not use pread when prefetching in HFilePreadReader
> ---------------------------------------------------------
>
>                 Key: HBASE-27646
>                 URL: https://issues.apache.org/jira/browse/HBASE-27646
>             Project: HBase
>          Issue Type: Improvement
>          Components: Performance
>    Affects Versions: 2.5.3
>            Reporter: Xiaolin Ha
>            Assignee: Xiaolin Ha
>            Priority: Minor
>             Fix For: 2.6.0, 3.0.0-alpha-4, 2.4.17, 2.5.4
>
>
> While prefetchOnOpen will read althrough the hfile, we should use stream read 
> for it.



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