RE: [JBoss-dev] RE: JBossMQ STILL hangs

[David Maplesden]

Title: JBossMQ STILL hangs

Ok, just to clear Sheng's good name, there was still a bug (or actually the same bug in a slightly different place) that should (touch wood) now be fixed.

 

-----Original Message-----
From: David Maplesden [mailto:[EMAIL PROTECTED]]
Sent: Tuesday, October 23, 2001 9:46 AM
To: JBossDev (E-mail)
Subject: [JBoss-dev] RE: JBossMQ STILL hangs

Hi Sheng,

 

This sounds like the same bug I fixed in the HEAD source code last week.

 

From a couple of things you have said (jboss.jcml file??) it sounds like you are running from the jboss 2.4 code, probably the jboss 2.4.3 release.  I have only just backported the bug fix to the 2.4 branch so if you want to run a fixed version you will have to wait for the next release or run jboss from the source code.

 

Let me know if you still have a problem and you are running from the latest code.

 

Cheers

David.

 

-----Original Message-----
From: Sheng Zou [mailto:[EMAIL PROTECTED]]
Sent: Friday, October 19, 2001 4:02 PM
To: 'David Maplesden'; JBossDev (E-mail)
Subject: JBossMQ STILL hangs

Hi David,

With your fix, it proceeds much further but still hangs after running for a while.

I have a stress test, which I sucessfully run over 10 million messages against fioranoMQ w/o problem, but it could NOT run over 1 million when running against JBossMQ.

I attached the required jars to run the test: Messaging.jar, idul.jar, Utils.jar, and messaging source file (MessagingSRC.zip) for your reference. Also, I attached a batch file to run the test, which you would need to change env variables to run under your environment. Lastly, you need to add two queues, namely, iCC_Alice2Bob_Q and iCC_Bob2Alice_Q to your jboss.jcml file. What the test does is to send nRequest/Reply via nSessions simultanuously!

You could run the test as:
        % runJBossMQStressTest.bat 1000000 500
where 1000000 refers to one million request/reply message, and 500 refers to 500 simultanuous requestors.

Basically, the test will hang running for a while.

Thanks,
Sheng

BTW, the test are sending Persistent Request/Reply messages using Logged PM.

-----Original Message-----
From: David Maplesden [mailto:[EMAIL PROTECTED]]
Sent: Sunday, October 14, 2001 6:50 PM
To: JBossDev (E-mail)
Subject: FW: [JBoss-dev] QueueRequestor hangs when sending a lot of
messag es

Forwarding to list, damm reply to still gets me at least once a week...

> -----Original Message-----
> From: David Maplesden
> Sent: Monday, October 15, 2001 2:43 PM
> To: 'Jim Hazen'
> Subject: RE: [JBoss-dev] QueueRequestor hangs when sending a lot of
> messages
>
>
> Hi Jim,
>
> I had a look at your problem using the code you sent.  Turns
> out there was a bug in the concurrency code for
> SpyMessageConsumer and having the two threads beating up on
> the same queue showed it up beautifully.
>
> I fixed it anyway and things should (hopefully) now run fine,
> it worked for me for well over 1000 messages.
>
> Let us know if you continue to have problems.
>
> Cheers,
> David
>
> > -----Original Message-----
> > From: Jim Hazen [mailto:[EMAIL PROTECTED]]
> > Sent: Monday, October 15, 2001 12:46 PM
> > To: jboss-dev
> > Subject: [JBoss-dev] QueueRequestor hangs when sending a lot
> > of messages
> >
> >
> > The is in response to a thread on the JBossMQ forum.
> >
> > Attached are two programs which show the problem I've been
> > having.  The replier
> > program simply gets a message and then sends that message on
> > to it's ReplyTo
> > destination.  The requestor test, sequentialy sends x
> > messages where x is a
> > command line arg and uses a QueueRequestor to wait and get a
> > response.  The
> > programs are simple and non threaded, so I don't see a reason
> > for some messages
> > to go through and others to not.
> >
> > In my tests, I find I can send between 25 and 70 messages
> > without a hang.
> > However set the number to 1000 and things get hung up every
> > time.  There is some
> > debug output generated by the programs showing what messages
> > have been sent,
> > recieved and responded to.
> >
> > I hope that this hang can be reproduced by you guys and this
> > problem fixed.  I'm
> > running code from the latest cvs HEAD pull as of about 4:30pm
> > PST 9/14/01.
> >
> > Let me know if you need more info.
> >
> > -Jim
> >
>

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