[jbossts-issues] [JBoss JIRA] Commented: (JBTM-217) Contention on SychronizedMap in TransactionLocalDelegateImpl.java
Andrew Dinn (JIRA)
jira-events at lists.jboss.org
Thu Jul 19 05:43:53 EDT 2007
[ http://jira.jboss.com/jira/browse/JBTM-217?page=comments#action_12369410 ]
Andrew Dinn commented on JBTM-217:
----------------------------------
The current(WeakHashMap) implementation works round a problem with synchronization execution order dependencies. It is required until synchronization ordering can be implemented in both the local JTA and JTS.
> Contention on SychronizedMap in TransactionLocalDelegateImpl.java
> -----------------------------------------------------------------
>
> Key: JBTM-217
> URL: http://jira.jboss.com/jira/browse/JBTM-217
> Project: JBoss Transaction Manager
> Issue Type: Bug
> Security Level: Public(Everyone can see)
> Components: JTA Implementation
> Affects Versions: 4.2.3
> Reporter: Phillip Thurmond
> Assigned To: Andrew Dinn
> Fix For: 4.4
>
>
> Under heavy loads, I'm seeing contention on the object map in TransactionLocalDelegateImpl.java. Can this variable be changed to use ConcurrentHashMap?
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