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https://issues.apache.org/jira/browse/DERBY-2107?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Knut Anders Hatlen updated DERBY-2107:
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Attachment: derby-2107-1d.diff
New revision of the patch (1d) with the following changes:
- updated comments as suggested
- doesn't delete slotTableToString()
- factored out some common code from setExclusive()/setExclusiveNoWait() into
a new method called preLatch()
> Move page latching out of the lock manager
> ------------------------------------------
>
> Key: DERBY-2107
> URL: https://issues.apache.org/jira/browse/DERBY-2107
> Project: Derby
> Issue Type: Improvement
> Components: Performance, Services, Store
> Affects Versions: 10.3.0.0
> Reporter: Knut Anders Hatlen
> Assigned To: Knut Anders Hatlen
> Priority: Minor
> Attachments: derby-2107-1a.diff, derby-2107-1a.stat,
> derby-2107-1b.diff, derby-2107-1c.diff, derby-2107-1c.stat, derby-2107-1d.diff
>
>
> Latching of pages could be done more efficiently locally in store than in the
> lock manager. See the discussion here:
> http://thread.gmane.org/gmane.comp.apache.db.derby.devel/33135
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