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https://issues.apache.org/jira/browse/OFBIZ-4282?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13037751#comment-13037751
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Jacques Le Roux commented on OFBIZ-4282:
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Thanks David,
It clarifies all.
Philippe,
Would you like to provide another patch? I'm OK to commit it.
> TransactionUtil performance optimisations
> -----------------------------------------
>
> Key: OFBIZ-4282
> URL: https://issues.apache.org/jira/browse/OFBIZ-4282
> Project: OFBiz
> Issue Type: Improvement
> Components: framework
> Affects Versions: SVN trunk
> Reporter: Philippe Mouawad
> Labels: PERFORMANCE
> Attachments: patch-OFBIZ-4282.patch
>
>
> Hello,
> Reviewing TransactionUtil code, I have seen 2 problems:
> - internalBegin is uselessly synchronized , since it is a static method it is
> a very big useless Contention Point since not unthread safe instance variable
> is used
> - debugResources is true which creates a DebugXAResource (that creates an
> Exception) , it should be false and made an option for debuging
> These 2 modifications have been in our production for a while and we noticed
> CPU reduction and no more contention on TransactionUtil#begin
> Regards
> Philippe Mouawad
> http://www.ubik-ingenierie.com
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