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Date: Thu, 9 Jan 2014 01:51:51 +0000 (UTC)
From: "Lyuben Todorov (JIRA)" <jira@apache.org>
To: commits@cassandra.apache.org
Message-ID: <JIRA.12672701.1381181034746.65908.1389232311392@arcas>
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Subject: [jira] [Updated] (CASSANDRA-6157) Selectively Disable hinted
 handoff for a data center
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     [ https://issues.apache.org/jira/browse/CASSANDRA-6157?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Lyuben Todorov updated CASSANDRA-6157:
--------------------------------------

    Attachment: trunk-6157-v4.diff

Ah, attached before renaming, I've attached v4 with the rename. Thanks for the catch! 

> Selectively Disable hinted handoff for a data center
> ----------------------------------------------------
>
>                 Key: CASSANDRA-6157
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-6157
>             Project: Cassandra
>          Issue Type: Improvement
>          Components: Core
>            Reporter: sankalp kohli
>            Assignee: sankalp kohli
>            Priority: Minor
>             Fix For: 2.0.5
>
>         Attachments: trunk-6157-v2.diff, trunk-6157-v3.diff, trunk-6157-v4.diff, trunk-6157.txt
>
>
> Cassandra supports disabling the hints or reducing the window for hints. 
> It would be helpful to have a switch which stops hints to a down data center but continue hints to other DCs.
> This is helpful during data center fail over as hints will put more unnecessary pressure on the DC taking double traffic. Also since now Cassandra is under reduced reduncany, we don't want to disable hints within the DC. 


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