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From "Dag H. Wanvik (JIRA)" <j...@apache.org>
Subject [jira] Updated: (DERBY-2328) Reduce monitor contention in SinglePool
Date Mon, 29 Jun 2009 14:17:47 GMT

     [ https://issues.apache.org/jira/browse/DERBY-2328?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Dag H. Wanvik updated DERBY-2328:
---------------------------------

    Derby Categories: [Performance]

> Reduce monitor contention in SinglePool
> ---------------------------------------
>
>                 Key: DERBY-2328
>                 URL: https://issues.apache.org/jira/browse/DERBY-2328
>             Project: Derby
>          Issue Type: Sub-task
>          Components: Services
>    Affects Versions: 10.3.1.4
>            Reporter: Knut Anders Hatlen
>            Assignee: Knut Anders Hatlen
>            Priority: Minor
>             Fix For: 10.3.1.4
>
>         Attachments: derby-2328.diff, derby-2328.stat, unused.diff
>
>
> When multiple threads enter the lock manager, there might be contention on SinglePool's
monitor. The contention should be reduced in order to improve scalability.

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