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https://issues.apache.org/jira/browse/QPID-1768?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Martin Ritchie reassigned QPID-1768:
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Assignee: Aidan Skinner (was: Martin Ritchie)
Hi Aidan, can you review this change please.
> Priority Queue Flow to Disk is not thread safe.
> -----------------------------------------------
>
> Key: QPID-1768
> URL: https://issues.apache.org/jira/browse/QPID-1768
> Project: Qpid
> Issue Type: Bug
> Components: Java Broker
> Reporter: Martin Ritchie
> Assignee: Aidan Skinner
> Priority: Blocker
> Fix For: 0.5
>
>
> Following on from the FtD review discussion documented here:
> http://cwiki.apache.org/confluence/display/qpid/FtD+Code+Review+Notes
> The changes to priority queue are not thread safe so cannot guarrantee
> messages will be correctly kept in memory.
> This task includes:
> 19 0.5 H _priorityListsindex.memoryUsed() + requriedSize is not
> threadSafe. Currently hard to reason about.
> 21 0.5 H PriorityQueueEntryList add() not thread safe. Reclaiming memory
> and then setting later is not atomic.
> 24 0.5 H setMemoryUsageMaximum / setMemoryUsageMinimum : not ThreadSafe
> - synchronize
> 17 0.5 H Document atomicity of memory counting
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