ASG
IBM
Zystems
Cressida
Icon
Netflexity
 
  MQSeries.net
Search  Search       Tech Exchange      Education      Certifications      Library      Info Center      SupportPacs      LinkedIn  Search  Search                                                                   FAQ  FAQ   Usergroups  Usergroups
 
Register  ::  Log in Log in to check your private messages
 
RSS Feed - WebSphere MQ Support RSS Feed - Message Broker Support

MQSeries.net Forum Index » WebSphere Message Broker (ACE) Support » JVM Heap Size and Queue depth lost

Post new topic  Reply to topic
 JVM Heap Size and Queue depth lost « View previous topic :: View next topic » 
Author Message
mzm.shan
PostPosted: Mon Oct 05, 2015 4:45 am    Post subject: JVM Heap Size and Queue depth lost Reply with quote

Apprentice

Joined: 25 Aug 2013
Posts: 39

dear all,

i am facing a problem of reaching heapsize to it optimum level.

In this condition i observe that Queues stop reading any more message and depth locked to an specific number of message. to get away from this position so that queue should again accept message and should start reading....i had to clear all messages in the depth by losing all message of that particular time. thats not good at all........

what is the way to save those message and still resolve the jvm issue?
Back to top
View user's profile Send private message
Vitor
PostPosted: Mon Oct 05, 2015 4:54 am    Post subject: Re: JVM Heap Size and Queue depth lost Reply with quote

Grand High Poobah

Joined: 11 Nov 2005
Posts: 26093
Location: Texas, USA

mzm.shan wrote:
what is the way to save those message and still resolve the jvm issue?


Fix the reading application, especially if the "reading application" is a flow with an MQGet node wired in any kind of loop. That construction is a great way to run out of heap really, really quickly.

The queue manager itself doesn't use heap, so that's going to be unaffected by any heap issues. Likewise, queues don't read messages (as you asserted), applications do.
_________________
Honesty is the best policy.
Insanity is the best defence.
Back to top
View user's profile Send private message
mqjeff
PostPosted: Mon Oct 05, 2015 4:55 am    Post subject: Reply with quote

Grand Master

Joined: 25 Jun 2008
Posts: 17447

There should be absolutely no correlation between the JVM heap size of an EG/Integration Server, and the ability of an MQ Queue to receive messages.

Perhaps you should attempt to examine the definition of the queue and compare it to this specific number of messages.

Perhaps you should consult with your MQ administrator.

Perhaps you should review how your flow handles MQ transactions.
_________________
chmod -R ugo-wx /
Back to top
View user's profile Send private message
Display posts from previous:   
Post new topic  Reply to topic Page 1 of 1

MQSeries.net Forum Index » WebSphere Message Broker (ACE) Support » JVM Heap Size and Queue depth lost
Jump to:  



You cannot post new topics in this forum
You cannot reply to topics in this forum
You cannot edit your posts in this forum
You cannot delete your posts in this forum
You cannot vote in polls in this forum
Protected by Anti-Spam ACP
 
 


Theme by Dustin Baccetti
Powered by phpBB © 2001, 2002 phpBB Group

Copyright © MQSeries.net. All rights reserved.