Re: [jboss-dev] Object lock contention in JNDI lookup of transaction and proposed change to jndi naming service...
Dimitris Andreadis wrote:
Please make sure you work on jboss head, Branch_4_2 is frozen right
now.
Now that 4.2 has been released, is 4.2.x a good place to experiment with
this change? I haven't been able to build head for a while.
Scott Marlow wrote:
> Hi,
>
> A while back I measured the object lock contention in a JBoss AS
> 4.0.4 environment. I noticed a lot of time spent waiting for the
> internal JNDI collection lock. I think this is worth creating a Jira
> for and solving with a swego concurrentHashMap based collection (or
> java.util.concurrent when we use java5 as a base). Of course the
> actual contention is app specific but I started thinking about
> solving it.
>
> Is this worth pursuing? I'll create a jira and make code changes for
> it (I might need some help running the J2EE compatibility tests).
> Clearly, we want to pass the unit tests as well (thats an assumed
> requirement).
>
> Thoughts?
>
> Scott
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