[jboss-jira] [JBoss JIRA] Commented: (JBTM-218) Contention on HashTable in com.arjuna.ats.internal.jta.transaction.arjunacore.TransactionImple.java

Fri May 18 12:20:52 EDT 2007

    [ http://jira.jboss.com/jira/browse/JBTM-218?page=comments#action_12362536 ] 

Mark Little commented on JBTM-218:
----------------------------------

JBossTS 4.2.x is JDK 1.4 compliant, so ConcurrentHashMap won't work for us. 4.4, which is targeted at AS 5.0 integration, may be 1.5 based, so we could look at that then.

> Contention on HashTable in com.arjuna.ats.internal.jta.transaction.arjunacore.TransactionImple.java
> ---------------------------------------------------------------------------------------------------
>
>                 Key: JBTM-218
>                 URL: http://jira.jboss.com/jira/browse/JBTM-218
>             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: Mark Little
>             Fix For: 4.4
>
>
> I'm seeing some contention on the object _transactions in the class com.arjuna.ats.internal.jta.transaction.arjunacore.TransactionImple.  Most of the contention happens in the getTransaction() method.

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