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From "Sylvain Lebresne (Commented) (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (CASSANDRA-3116) Compactions can (seriously) delay schema migrations
Date Mon, 31 Oct 2011 13:11:32 GMT

    [ https://issues.apache.org/jira/browse/CASSANDRA-3116?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13140130#comment-13140130
] 

Sylvain Lebresne commented on CASSANDRA-3116:
---------------------------------------------

+1 on v3. Nit: for the assert in DT.postReplace(), I believe the msg should include the sstable,
not 'this'.
                
> Compactions can (seriously) delay schema migrations
> ---------------------------------------------------
>
>                 Key: CASSANDRA-3116
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-3116
>             Project: Cassandra
>          Issue Type: Bug
>          Components: Core
>    Affects Versions: 0.7.0
>            Reporter: Eric Evans
>            Assignee: Jonathan Ellis
>              Labels: compaction
>             Fix For: 1.1
>
>         Attachments: 3116-v2.txt, 3116-v3.txt, 3116.txt
>
>
> A compaction lock is acquired when dropping keyspaces or column families which will cause
the schema migration to block if a compaction is in progress.

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