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From "Sean Busbey (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-13170) Allow block cache to be external
Date Fri, 27 Mar 2015 18:18:53 GMT

    [ https://issues.apache.org/jira/browse/HBASE-13170?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14384286#comment-14384286
] 

Sean Busbey commented on HBASE-13170:
-------------------------------------

+1. Please link the doc ticket once it exists.

> Allow block cache to be external
> --------------------------------
>
>                 Key: HBASE-13170
>                 URL: https://issues.apache.org/jira/browse/HBASE-13170
>             Project: HBase
>          Issue Type: New Feature
>          Components: io
>    Affects Versions: 2.0.0
>            Reporter: Elliott Clark
>            Assignee: Elliott Clark
>             Fix For: 1.1.0
>
>         Attachments: HBASE-13170-v1.patch, HBASE-13170-v2.patch, HBASE-13170-v3.patch,
HBASE-13170-v4.patch, HBASE-13170-v5.patch, HBASE-13170.patch
>
>
> Allow an external service to provide the block cache. This has the nice property of allowing
failover/upgrades to happen without causing a fully cold cache.
> Additionally this allows read replicas to share some of the same memory.



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