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From "Gary Tully (JIRA)" <j...@apache.org>
Subject [jira] Updated: (AMQ-2307) Synchronization issue with AMQTransactionStore - can leave duplicate transaction hanging about that can hold up journal cleanup
Date Fri, 26 Jun 2009 12:36:39 GMT

     [ https://issues.apache.org/activemq/browse/AMQ-2307?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Gary Tully updated AMQ-2307:
----------------------------

    Summary: Synchronization issue with AMQTransactionStore - can leave duplicate transaction
hanging about that can hold up journal cleanup  (was: Synchronization issue with AMQTransacitonStore
- can leave duplicate transaction hanging about that can hold up journal cleanup)

> Synchronization issue with AMQTransactionStore - can leave duplicate transaction hanging
about that can hold up journal cleanup
> -------------------------------------------------------------------------------------------------------------------------------
>
>                 Key: AMQ-2307
>                 URL: https://issues.apache.org/activemq/browse/AMQ-2307
>             Project: ActiveMQ
>          Issue Type: Bug
>          Components: Broker
>    Affects Versions: 5.2.0
>         Environment: high load, many concurrent producers and consumers using transactions
and AMQ store - multi core unix box.
>            Reporter: Gary Tully
>            Assignee: Gary Tully
>             Fix For: 5.3.0
>
>
> There is a small synchronization window in AMQTransacitonStore where transactions are
created that can lead to duplicate transactions hanging about in the inflight list. This dangling
transaction will hold up journal disk cleanup as the file referenced by the transaction will
not be released till the broker is restarted. If this happens a bunch of times then the journal
can run out of disk space.

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