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From "stack (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (HBASE-17083) Enable hedged reads by default in hbase-2.0.0
Date Thu, 29 Jun 2017 23:51:01 GMT

     [ https://issues.apache.org/jira/browse/HBASE-17083?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel

stack resolved HBASE-17083.
    Resolution: Later

Enabling hedged-reads costs so users should opt-in rather than have it on by default. Resolving.
We have doc. in refguide on plus/minus's thanks to [~THEcreationist]

> Enable hedged reads by default in hbase-2.0.0
> ---------------------------------------------
>                 Key: HBASE-17083
>                 URL: https://issues.apache.org/jira/browse/HBASE-17083
>             Project: HBase
>          Issue Type: Improvement
>    Affects Versions: 2.0.0
>            Reporter: stack
>            Assignee: stack
>            Priority: Critical
>             Fix For: 2.0.0
> Hedged reads came in in hadoop-2.4. hbase-2.0.0 requires a later version so we can expect
support to be preseent. This issue is about a bit of testing to show defined benefit when
hedged reads are on and then enabling them by default in hbase-2.0.0.
> See http://hbase.apache.org/book.html#_hedged_reads for current state of the doc.
> This issue came up in conversation a few of us were having Thursday and then Lars George
started asking me their state in the last 24 hours.
> Assigning myself to do the bit of testing and enabling.

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