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From "Vijay (Commented) (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (CASSANDRA-2506) Push read repair setting down to the DC-level
Date Mon, 31 Oct 2011 17:37:33 GMT

    [ https://issues.apache.org/jira/browse/CASSANDRA-2506?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13140355#comment-13140355
] 

Vijay commented on CASSANDRA-2506:
----------------------------------

Hi Jonathan. The problem with this approach is that we wont have control over the settings...
there are apps which needs higher local consistency. 

How about when the user says RR on x to be 0 then we can skip RR on that DC even the global
repair?
but i am worried that this will cause more confusion.
                
> 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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