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Posted to issues@trafficserver.apache.org by "James Peach (JIRA)" <ji...@apache.org> on 2013/01/30 06:31:13 UTC

[jira] [Commented] (TS-1650) Inactivity cop should use TRY_LOCK instead of LOCK to avoid deadlock.

    [ https://issues.apache.org/jira/browse/TS-1650?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13566180#comment-13566180 ] 

James Peach commented on TS-1650:
---------------------------------

Brian, is there a patch here?
                
> Inactivity cop should use TRY_LOCK instead of LOCK to avoid deadlock.
> ---------------------------------------------------------------------
>
>                 Key: TS-1650
>                 URL: https://issues.apache.org/jira/browse/TS-1650
>             Project: Traffic Server
>          Issue Type: Bug
>    Affects Versions: 3.3.0
>            Reporter: Brian Geffon
>            Assignee: Brian Geffon
>             Fix For: 3.3.1
>
>
> In situations where a connection may have died while holding on to a mutex this can result in deadlock. Inactivity cop's only job is to cleanup and since it's trying to LOCK it will block. Instead we should just use a TRY_LOCK and continue cleaning up the remaining connections.

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