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| jarun111 |
 Posted: Wed Jul 20, 2005 7:59 am Post subject: Size of amqzlaa0_nd process |
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Acolyte
Joined: 19 Apr 2004
Posts: 70
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Hi,
We have 2 solaris queue manager, QM1 and QM2. QM1 with 4500 connection and QM2 with 4500 connection. Configuration for both queue managers are the same. We see that amqzlaa0_nd process in QM1 is consuming around around 300MB size of memory. Wheras in QM2 it is under 200MB. Why do we see this difference. Why do this process use so much memory in QM1 but not in QM2?
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| PeterPotkay |
| Posted: Wed Jul 20, 2005 8:21 am Post subject: |
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Poobah
Joined: 15 May 2001
Posts: 7722
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Are the apps on QM1 passing around bigger messages?
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Peter Potkay
Keep Calm and MQ On |
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| jarun111 |
| Posted: Wed Jul 20, 2005 10:24 am Post subject: |
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Acolyte
Joined: 19 Apr 2004
Posts: 70
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| PeterPotkay |
| Posted: Wed Jul 20, 2005 12:54 pm Post subject: |
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Poobah
Joined: 15 May 2001
Posts: 7722
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Has QM1 been running longer?
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Peter Potkay
Keep Calm and MQ On |
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| Nigelg |
| Posted: Wed Jul 20, 2005 9:48 pm Post subject: |
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Grand Master
Joined: 02 Aug 2004
Posts: 1046
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| It really depends on what the qmgr has been doing, not the configuratoin. The memory size of amqzlaa0 includes the shared memory it is attached to, and shared memory usage varies according to what queues are open, how many msgs they contain, how many apps are connected,and a whole load of things. |
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| hopsala |
| Posted: Thu Jul 21, 2005 8:05 am Post subject: |
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Guardian
Joined: 24 Sep 2004
Posts: 960
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A simple but necessary question - are both QM's on the same server?
Is this behavior consistent? That is, if you restart both QM's (and server, just to be sure) does it remain the same?
(I assume this is a full-blown prod server, so you probably can't just boot them and check, but did you notice it before?) |
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| bower5932 |
| Posted: Thu Jul 21, 2005 8:46 am Post subject: |
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Jedi Knight
Joined: 27 Aug 2001
Posts: 3023
Location: Dallas, TX, USA
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| And are they both running the same version of the code? You said that the configuration information is the same. Does this mean they have the exact same kernel definitions? |
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| jarun111 |
| Posted: Mon Aug 01, 2005 6:51 am Post subject: |
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Acolyte
Joined: 19 Apr 2004
Posts: 70
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| Kernel setting, version and other configuration are all the same. These queue managers reside in 2 different box and are in a Sun cluster setup. As mentioned earlier all memory used are released when we reboot the server. So when we start on a Monday morning the memory usage are the same.Please let me know if you require any info. |
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