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From "Eric Evans (JIRA)" <j...@apache.org>
Subject [jira] Commented: (CASSANDRA-97) race condition prevents startup under Xen vm
Date Mon, 27 Apr 2009 22:45:30 GMT

    [ https://issues.apache.org/jira/browse/CASSANDRA-97?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12703425#action_12703425
] 

Eric Evans commented on CASSANDRA-97:
-------------------------------------

First off, I think these patches (000[1-3]) look good. I don't see a reason for the key state
collections that currently exist; IMO this is how the code should look, +1 for applying it.

However, I still believe there is a race condition here. Or rather, I am experiencing what
seems to be a race condition between the select() call in SelectorManager.run and the invocation
of SelectorManager.register() from the main thread.

Is no one else seeing this?




> race condition prevents startup under Xen vm
> --------------------------------------------
>
>                 Key: CASSANDRA-97
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-97
>             Project: Cassandra
>          Issue Type: Bug
>            Reporter: Jonathan Ellis
>            Assignee: Jonathan Ellis
>             Fix For: 0.3
>
>         Attachments: 0001-r-m-unused-code-do-minor-cleanup.patch, 0002-r-m-unnecessary-race-prone-cancelled-read-write-ke.patch,
0003-renaming-and-final-cleanup.patch, cassandra_race_condition_in_xen.patch
>
>
> Reported by Soo Hwan Park on the mailing list.

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