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From "Dag H. Wanvik (JIRA)" <j...@apache.org>
Subject [jira] Updated: (DERBY-2150) Reduce use of synchronized collections in GenericLanguageConnectionContext
Date Mon, 29 Jun 2009 14:21:47 GMT

     [ https://issues.apache.org/jira/browse/DERBY-2150?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Dag H. Wanvik updated DERBY-2150:
---------------------------------

    Derby Categories: [Performance]

> Reduce use of synchronized collections in GenericLanguageConnectionContext
> --------------------------------------------------------------------------
>
>                 Key: DERBY-2150
>                 URL: https://issues.apache.org/jira/browse/DERBY-2150
>             Project: Derby
>          Issue Type: Improvement
>          Components: SQL
>    Affects Versions: 10.3.1.4
>            Reporter: Knut Anders Hatlen
>            Assignee: Knut Anders Hatlen
>            Priority: Minor
>             Fix For: 10.3.1.4
>
>         Attachments: derby-2150-1a.diff, derby-2150-1b.diff, derby-2150-2a.diff, derby-2150-2a.stat
>
>
> In org.apache.derby.impl.sql.conn.GenericLanguageConnectionContext, it is probably safe
to replace some of the synchronized collections with unsynchronized ones. This should be investigated,
and the unnecessary synchronization should be removed. See discussion here: http://www.nabble.com/Use-of-synchronized-containers-in-engine-code-tf2754469.html

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