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From "Knut Anders Hatlen (JIRA)" <j...@apache.org>
Subject [jira] Commented: (DERBY-2493) Use unsynchronized collections in BackingStoreHashtable
Date Thu, 29 Mar 2007 08:35:25 GMT

    [ https://issues.apache.org/jira/browse/DERBY-2493?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12485109
] 

Knut Anders Hatlen commented on DERBY-2493:
-------------------------------------------

Committed the test changes with revision 523621.

> Use unsynchronized collections in BackingStoreHashtable
> -------------------------------------------------------
>
>                 Key: DERBY-2493
>                 URL: https://issues.apache.org/jira/browse/DERBY-2493
>             Project: Derby
>          Issue Type: Improvement
>          Components: Performance, Store
>    Affects Versions: 10.3.0.0
>            Reporter: Knut Anders Hatlen
>         Assigned To: Knut Anders Hatlen
>            Priority: Minor
>         Attachments: derby-2493-assert.diff, derby-2493-assert.stat
>
>
> BackingStoreHashtable uses a Vector and a Hashtable, but doesn't need the synchronization
provided by these classes (I think). Replacing them with ArrayList and HashMap could improve
performance for some kinds of operations.

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