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From "Jonathan Ellis (Commented) (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (CASSANDRA-2506) Push read repair setting down to the DC-level
Date Mon, 31 Oct 2011 13:23:32 GMT

    [ https://issues.apache.org/jira/browse/CASSANDRA-2506?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13140138#comment-13140138
] 

Jonathan Ellis commented on CASSANDRA-2506:
-------------------------------------------

I'm proposing the global r_r_c, and a set of datacenters whose cordinators will apply that
chance.  Coordinators in other DCs would not do RR at all.
                
> Push read repair setting down to the DC-level
> ---------------------------------------------
>
>                 Key: CASSANDRA-2506
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-2506
>             Project: Cassandra
>          Issue Type: New Feature
>          Components: Core
>    Affects Versions: 1.0.1
>            Reporter: Brandon Williams
>            Assignee: Vijay
>            Priority: Minor
>             Fix For: 1.0.2
>
>         Attachments: 0001-dc-localized-read-repair-v2.patch, 0001-dc-localized-read-repair.patch,
0002-thrift-and-avro-v2.patch, 0002-thrift-and-avro.patch, 0003-documentation-for-read_repair_options-v2.patch,
0003-documentation-for-read_repair_options.patch
>
>
> Currently, read repair is a global setting.  However, when you have two DCs and use one
for analytics, it would be nice to turn it off only for that DC so the live DC serving the
application can still benefit from it.

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