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https://issues.apache.org/jira/browse/DERBY-4478?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Knut Anders Hatlen resolved DERBY-4478.
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Resolution: Fixed
Fix Version/s: 10.11.0.0
Issue & fix info: (was: Patch Available)
Thanks for looking at the patch, Mike.
> Use AtomicLong for XactFactory.tranId
> -------------------------------------
>
> Key: DERBY-4478
> URL: https://issues.apache.org/jira/browse/DERBY-4478
> Project: Derby
> Issue Type: Improvement
> Components: Store
> Affects Versions: 10.6.1.0
> Reporter: Knut Anders Hatlen
> Assignee: Knut Anders Hatlen
> Priority: Minor
> Fix For: 10.11.0.0
>
> Attachments: d4478-1a.diff
>
>
> Dyre Tjeldvoll posted some results on DERBY-3092 that indicated that some
> types of load might cause contention on XactFactory.tranId (a shared long),
> and suggested that it was replaced with a
> java.util.concurrent.atomic.AtomicLong on the platforms that support
> java.util.concurrent.*.
> I'm splitting this issue out from DERBY-3092 so that the two possible
> improvements reported there can be addressed independently.
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