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From "Enis Soztutar (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-10794) multi-get should handle replica location missing from cache
Date Sat, 28 Jun 2014 01:49:30 GMT

    [ https://issues.apache.org/jira/browse/HBASE-10794?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14046633#comment-14046633
] 

Enis Soztutar commented on HBASE-10794:
---------------------------------------

Attaching rebased patch for master that is committed

> multi-get should handle replica location missing from cache
> -----------------------------------------------------------
>
>                 Key: HBASE-10794
>                 URL: https://issues.apache.org/jira/browse/HBASE-10794
>             Project: HBase
>          Issue Type: Sub-task
>            Reporter: Sergey Shelukhin
>            Assignee: Sergey Shelukhin
>             Fix For: hbase-10070
>
>         Attachments: 0033-HBASE-10794-multi-get-should-handle-replica-location.patch,
HBASE-10794.01.patch, HBASE-10794.02.addendum.patch, HBASE-10794.02.patch, HBASE-10794.03.patch,
HBASE-10794.patch, HBASE-10794.patch
>
>
> Currently the way cache works is that the meta row is stored together for all replicas
of a region, so if some replicas are in recovery, getting locations for a region will still
go to cache only and return null locations for these. Multi-get currently ignores such replicas.
It should instead try to get location again from meta if any replica is null.



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