[jbossts-issues] [JBoss JIRA] Closed: (JBTM-610) Restore mutex handling on LockManager

Mark Little (JIRA) jira-events at lists.jboss.org
Sat Sep 12 15:28:36 EDT 2009

     [ https://jira.jboss.org/jira/browse/JBTM-610?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Mark Little closed JBTM-610.

    Resolution: Done

Good catch Andrew. Implemented proposed change for now and working on reducing the synchronization overhead.

> Restore mutex handling on LockManager
> -------------------------------------
>                 Key: JBTM-610
>                 URL: https://jira.jboss.org/jira/browse/JBTM-610
>             Project: JBoss Transaction Manager
>          Issue Type: Task
>      Security Level: Public(Everyone can see) 
>          Components: Transaction Core
>            Reporter: Mark Little
>            Assignee: Mark Little
>             Fix For: 4.8.0
> It looks like someone tried to optimize the synchronizations around LockManager, probably for HP-MS performance tuning. Unfortunately they didn't fully understand the implications. Backing out to original approach until/unless performance becomes an issue again.

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