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MQSeries.net Forum Index » General IBM MQ Support » Websphere MQ for Linux V7.0.1.7 memory problem

Websphere MQ for Linux V7.0.1.7 memory problem

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9A5YY

Posted: Mon Sep 03, 2012 3:53 am Post subject: Websphere MQ for Linux V7.0.1.7 memory problem

Voyager

Joined: 27 Sep 2005
Posts: 99
Location: Croatia

I have got several Websphere MQ V7.0.1.7 production queue managers on a Linux Red Hat machine. RAM is 1GB and Swap is 2GB. Linux machine resides on VM Ware. Every 50-60 days I must restart Linux machine because it becomes unavailable. At last restart it was obvious that usage of RAM and specially Swap was increased. In fact the usage of Swap graudually increases every day. I don't know why. When there is no space in Swap, the Linux machine becomes unavailable. What to do to avoid restarts of Linux machine?

zpat

Posted: Mon Sep 03, 2012 4:08 am Post subject:

Jedi Council

Joined: 19 May 2001
Posts: 5866
Location: UK

which processes are using most memory?

9A5YY

Posted: Mon Sep 03, 2012 4:37 am Post subject:

Voyager

Joined: 27 Sep 2005
Posts: 99
Location: Croatia

Websphere MQ Explorer process uses the most of memory. Maybe I should close it and not to leave it open all the time for monitoring!? I will close it and monitor the RAM and Swap usage.

mqjeff

Posted: Mon Sep 03, 2012 6:33 am Post subject:

Grand Master

Joined: 25 Jun 2008
Posts: 17447

You shouldn't leave MQExplorer open all the time on a production machine.

You shouldn't use MQExplorer on a production machine.

You shouldn't use MQExplorer for monitoring.

mvic

Posted: Fri Sep 07, 2012 5:07 pm Post subject: Re: Websphere MQ for Linux V7.0.1.7 memory problem

Jedi

Joined: 09 Mar 2004
Posts: 2080

9A5YY wrote:

What to do to avoid restarts of Linux machine?

Use latest fix pack. Buy more RAM. Several queue managers (how many, exactly?) do not fit in 1 GB of RAM, assuming you want to use them for some real work.

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