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Posted to dev@phoenix.apache.org by "Devaraj Das (JIRA)" <ji...@apache.org> on 2015/04/02 08:29:52 UTC

[jira] [Commented] (PHOENIX-1683) Support HBase HA Query(timeline-consistent region replica read)

    [ https://issues.apache.org/jira/browse/PHOENIX-1683?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14392223#comment-14392223 ] 

Devaraj Das commented on PHOENIX-1683:
--------------------------------------

Looks fine to me from the Scan API usage point of view, but someone from Phoenix should take a look.

> Support HBase HA Query(timeline-consistent region replica read)
> ---------------------------------------------------------------
>
>                 Key: PHOENIX-1683
>                 URL: https://issues.apache.org/jira/browse/PHOENIX-1683
>             Project: Phoenix
>          Issue Type: New Feature
>            Reporter: Jeffrey Zhong
>            Assignee: Rajeshbabu Chintaguntla
>         Attachments: PHOENIX-1683.patch, PHOENIX-1683_v2.patch
>
>
> As HBASE-10070 is in HBase1.0, we could leverage this feature by providing a new consistency level TIMELINE.
> Assumption: A user has already enabled a hbase table for timeline consistency
> In the connection property or by "ALTER SESSION SET CONSISTENCY = 'TIMELINE'" statement, we could set current connection/session consistency level to "TIMELINE" to take the advantage of TIMELINE read. 



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