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From "Jonathan Ellis (JIRA)" <j...@apache.org>
Subject [jira] Commented: (CASSANDRA-880) add "drain" command
Date Tue, 16 Mar 2010 21:52:27 GMT

    [ https://issues.apache.org/jira/browse/CASSANDRA-880?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12846147#action_12846147
] 

Jonathan Ellis commented on CASSANDRA-880:
------------------------------------------

0001 looks at first glance like this keeps a Future for each replayed mutation until the end
of recovery.  That seems like a good way to OOM yourself... ?

+1 on 0002.

> add "drain" command
> -------------------
>
>                 Key: CASSANDRA-880
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-880
>             Project: Cassandra
>          Issue Type: Task
>          Components: Tools
>            Reporter: Jonathan Ellis
>            Assignee: Gary Dusbabek
>             Fix For: 0.6
>
>         Attachments: v2-0001-drain-method.txt, v2-0002-cleanup-DeletionService-and-MessagingService.txt
>
>
> "drain" will flush and not accept more writes, leaving the commitlog empty on restart.
> this is important to make the future upgrade to 0.7 smooth.

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