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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] Commented: (CASSANDRA-1293) add locking around row cache accesses
Date Sat, 02 Oct 2010 12:57:35 GMT

    [ https://issues.apache.org/jira/browse/CASSANDRA-1293?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12917192#action_12917192
] 

Hudson commented on CASSANDRA-1293:
-----------------------------------

Integrated in Cassandra #553 (See [https://hudson.apache.org/hudson/job/Cassandra/553/])
    lock row cache updates to prevent race condition
patch by jbellis; reviewed by brandonwilliams for CASSANDRA-1293


> add locking around row cache accesses
> -------------------------------------
>
>                 Key: CASSANDRA-1293
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-1293
>             Project: Cassandra
>          Issue Type: Bug
>          Components: Core
>            Reporter: Jonathan Ellis
>            Assignee: Jonathan Ellis
>            Priority: Minor
>             Fix For: 0.7.0
>
>         Attachments: 1293.txt
>
>
> CASSANDRA-1267 means we need to lock around removeDeleted on the row cache entry and
the write path where we merge in new columns (otherwise there can be a race where we incorrectly
continue to remove a column, that has been updated by the writer thread to be newly relevant)

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