[jira] Commented: (CASSANDRA-1293) add locking around row cache accesses

["Brandon Williams (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/CASSANDRA-1293?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12917034#action_12917034 ] 

Brandon Williams commented on CASSANDRA-1293:
---------------------------------------------

+1

> 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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