[jbossts-issues] [JBoss JIRA] (JBTM-1246) Implement Parallel Prepare

Michael Musgrove (JIRA) jira-events at lists.jboss.org
Wed Oct 3 09:19:03 EDT 2012

    [ https://issues.jboss.org/browse/JBTM-1246?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12723657#comment-12723657 ] 

Michael Musgrove commented on JBTM-1246:

The current implementation creates a new thread on every transaction prepare (Andy M is seeing from 45% to over 100% response time degradation with the option enabled). The resolution should use a thread pool.
> Implement Parallel Prepare
> --------------------------
>                 Key: JBTM-1246
>                 URL: https://issues.jboss.org/browse/JBTM-1246
>             Project: JBoss Transaction Manager
>          Issue Type: Task
>      Security Level: Public(Everyone can see) 
>            Reporter: Tom Jenkinson
>            Assignee: Tom Jenkinson
>             Fix For: 5.0.0.M3
> Considerations:
> 1. Threading in AS - should be using JEE mechanism
> 2. Can't parallelise the LastResource ;)

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