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From "Stu Hood (JIRA)" <j...@apache.org>
Subject [jira] Commented: (CASSANDRA-1427) Optimize loadbalance/move for moves within the current range
Date Sun, 13 Mar 2011 21:15:59 GMT

    [ https://issues.apache.org/jira/browse/CASSANDRA-1427?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13006280#comment-13006280
] 

Stu Hood commented on CASSANDRA-1427:
-------------------------------------

Congratulations to everyone who worked on this ticket: this has been very exciting work. We
have upcoming usecases that will likely use OPP, and this was a blocker for that work. Thank
you!

> Optimize loadbalance/move for moves within the current range
> ------------------------------------------------------------
>
>                 Key: CASSANDRA-1427
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-1427
>             Project: Cassandra
>          Issue Type: Sub-task
>          Components: Core
>    Affects Versions: 0.7 beta 1
>            Reporter: Nick Bailey
>            Assignee: Pavel Yaskevich
>             Fix For: 0.8
>
>         Attachments: 0001-Minor-reorginization.patch, CASSANDRA-1427-v2.patch, CASSANDRA-1427-v3.patch,
CASSANDRA-1427-v4.patch, CASSANDRA-1427-v5.patch, CASSANDRA-1427-v6.patch, CASSANDRA-1427.patch
>
>   Original Estimate: 42h
>          Time Spent: 42h
>  Remaining Estimate: 0h
>
> Currently our move/loadbalance operations only implement case 2 of the Ruhl algorithm
described at https://issues.apache.org/jira/browse/CASSANDRA-192#action_12713079.
> We should add functionality to optimize moves that take/give ranges to a node's direct
neighbors.

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