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https://issues.apache.org/jira/browse/DERBY-2327?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Knut Anders Hatlen updated DERBY-2327:
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Derby Info: [Patch Available]
> Reduce monitor contention in LockSet
> ------------------------------------
>
> Key: DERBY-2327
> URL: https://issues.apache.org/jira/browse/DERBY-2327
> Project: Derby
> Issue Type: Sub-task
> Components: Performance, Services
> Affects Versions: 10.3.0.0
> Reporter: Knut Anders Hatlen
> Assigned To: Knut Anders Hatlen
> Priority: Minor
> Attachments: ConcurrentHashMap.diff, derby-2327-1a.diff,
> derby-2327-1a.stat, derby-2327-2a.diff, derby-2327-2a.stat
>
>
> When multiple threads enter the lock manager, only one can access the hash
> table in LockSet. To improve scalability on multiple CPUs, it should be
> possible to have more than one thread accessing the lock table at the same
> time.
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