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From "stack (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-17083) Enable hedged reads by default in hbase-2.0.0
Date Tue, 15 Nov 2016 05:07:58 GMT

    [ https://issues.apache.org/jira/browse/HBASE-17083?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15666103#comment-15666103
] 

stack commented on HBASE-17083:
-------------------------------

Thank you for the input [~ashu210890]  Hope you don't mind my adding above as quote into the
refguide under the hedged reads section. It is great stuff.

> 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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