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Posted to derby-dev@db.apache.org by "David Van Couvering (JIRA)" <de...@db.apache.org> on 2005/11/10 01:45:03 UTC

[jira] Created: (DERBY-698) Use Java 5 concurrent collections for better concurrency (rather than synchronized collections)

 Use Java 5 concurrent collections for better concurrency (rather than synchronized collections) 
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         Key: DERBY-698
         URL: http://issues.apache.org/jira/browse/DERBY-698
     Project: Derby
        Type: Improvement
    Reporter: David Van Couvering


The new Java 5 concurrency utilities includes a set of concurrent collections that allow for greater concurrency than the current synchronized collections we are using.  This could provide performance improvements for Derby, particularly in CMT (chip multi-threading) architectures.

See  http://java.sun.com/j2se/1.5.0/docs/api/java/util/concurrent/package-summary.html

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[jira] Commented: (DERBY-698) Use Java 5 concurrent collections for better concurrency (rather than synchronized collections)

Posted by "Knut Anders Hatlen (JIRA)" <ji...@apache.org>.
    [ https://issues.apache.org/jira/browse/DERBY-698?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12496494 ] 

Knut Anders Hatlen commented on DERBY-698:
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See also some related ideas in this thread: http://www.nabble.com/Fwd%3A-Lock-free-HashMap-tf3770124.html

>  Use Java 5 concurrent collections for better concurrency (rather than synchronized collections)
> ------------------------------------------------------------------------------------------------
>
>                 Key: DERBY-698
>                 URL: https://issues.apache.org/jira/browse/DERBY-698
>             Project: Derby
>          Issue Type: Improvement
>          Components: Services
>            Reporter: David Van Couvering
>
> The new Java 5 concurrency utilities includes a set of concurrent collections that allow for greater concurrency than the current synchronized collections we are using.  This could provide performance improvements for Derby, particularly in CMT (chip multi-threading) architectures.
> See  http://java.sun.com/j2se/1.5.0/docs/api/java/util/concurrent/package-summary.html

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[jira] Updated: (DERBY-698) Use Java 5 concurrent collections for better concurrency (rather than synchronized collections)

Posted by "Mike Matrigali (JIRA)" <de...@db.apache.org>.
     [ http://issues.apache.org/jira/browse/DERBY-698?page=all ]

Mike Matrigali updated DERBY-698:
---------------------------------

    Component: Services

>  Use Java 5 concurrent collections for better concurrency (rather than synchronized collections)
> ------------------------------------------------------------------------------------------------
>
>          Key: DERBY-698
>          URL: http://issues.apache.org/jira/browse/DERBY-698
>      Project: Derby
>         Type: Improvement
>   Components: Services
>     Reporter: David Van Couvering

>
> The new Java 5 concurrency utilities includes a set of concurrent collections that allow for greater concurrency than the current synchronized collections we are using.  This could provide performance improvements for Derby, particularly in CMT (chip multi-threading) architectures.
> See  http://java.sun.com/j2se/1.5.0/docs/api/java/util/concurrent/package-summary.html

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