[jboss-jira] [JBoss JIRA] Closed: (JBAS-1585) Enhance Queue throughput

[Adrian Brock (JIRA)]

     [ http://jira.jboss.com/jira/browse/JBAS-1585?page=all ]

Adrian Brock closed JBAS-1585.
------------------------------

    Resolution: Deferred

Closing features that are (or will be) implemented in JBoss Messaging.
http://jira.jboss.com/jira/browse/JBMESSAGING

If anybody wants to provide a patch that implements these,
the issue can be reopened.

Duplicates of these issues will be closed
unless they provide an implementation/patch.

Patches should first be discussed in the
development forum:
http://www.jboss.com/index.html?module=bb&op=viewforum&f=153
if there isn't already a forum link attached to this issue.

> Enhance Queue throughput
> ------------------------
>
>                 Key: JBAS-1585
>                 URL: http://jira.jboss.com/jira/browse/JBAS-1585
>             Project: JBoss Application Server
>          Issue Type: Feature Request
>      Security Level: Public(Everyone can see) 
>          Components: JMS service
>            Reporter: Ivelin Ivanov
>
> > -----Original Message-----
> > From: Adrian Brock
> > Sent: Monday, March 14, 2005 2:35 PM
> > To: Ivelin Ivanov
> > Cc: Stan Silvert; Neal Byrd; The Core; Rebecca Goldstein
> > Subject: RE: JMS Reference
> > 
> ...
> > I know you can get about x8 improvement in JBossMQ just by adding
> > some simple flow control.
> > 
> > Instead of doing the "one in, one out" policy on the message cache
> > when memory is tight (i.e. move some old messages to disk to make
> > room for the new messages)
> > I did a simple test instead  with
> > Thread.sleep(1000);
> > to slow down the senders and let the receivers clear some memory.
> > 
> > The message throughput went from 1 million messages/hour to 8 million.
> > I did this test around JBoss-3.0.7 time when the performance was
> > very poor.
> > 
> > I discarded the idea as too simplistic since the mechanism
> > requires blocking server threads. But it does show JBossMQ
> > could easily be improved if we had the motivation/resources
> > to work on the performance without degrading its reliability.
> >

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