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From "Jonathan Ellis (JIRA)" <j...@apache.org>
Subject [jira] Commented: (CASSANDRA-128) Hinted handoff improvements
Date Tue, 05 May 2009 15:34:30 GMT

    [ https://issues.apache.org/jira/browse/CASSANDRA-128?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12706070#action_12706070
] 

Jonathan Ellis commented on CASSANDRA-128:
------------------------------------------

4. from CASSANDRA-34 by Jun Rao: It's probably worthwhile to make intervalInMins_ in HHM configurable.


> Hinted handoff improvements
> ---------------------------
>
>                 Key: CASSANDRA-128
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-128
>             Project: Cassandra
>          Issue Type: Improvement
>            Reporter: Jonathan Ellis
>             Fix For: 0.4
>
>
>  - now that we have range queries we can split the HH keys across a standard CF instead
of a single row in a super CF
>  - should GC tombstones instantly post-handoff since that data is only local (no need
to worry about RR which is the point of tombstoning)
>  - waiting for ack-per-key in HHM.sendMessage is going to really slow things down since
you spend most of your time waiting for acks

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