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MQSeries.net Forum IndexGeneral IBM MQ SupportLots and lots of amqzlaa0 and amqrmppa

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krypton
PostPosted: Wed Aug 09, 2017 8:25 am Post subject: Lots and lots of amqzlaa0 and amqrmppa Reply with quote

Centurion

Joined: 14 Mar 2010
Posts: 112

we have a queue manager and a listener and this is first time we have started this queue manager and we have a java process which connects to this queue manager and as soon as we run this java process , we see a spawning of multiple MQ processes and start getting error in QMGR logs, we are not sure why there are so many processes spawning.


NOTE Earlier there was one another queue manager to which this Java process is able to connect successfully without any error..
Also, this java process is running o same MQ server.

Following is what I got from "grep" command for mqm.


mqm 29365 29057 0 11:46 ? 00:00:00 /opt/mqm/bin/amqzlaa0 -mQM1 -fip1
mqm 29464 29118 0 11:46 ? 00:00:00 /opt/mqm/bin/amqrmppa -m QM1
mqm 29466 29057 0 11:46 ? 00:00:00 /opt/mqm/bin/amqzlaa0 -mQM1 -fip2
mqm 29544 29057 0 11:46 ? 00:00:00 /opt/mqm/bin/amqzlaa0 -mQM1 -fip3
mqm 29619 29057 0 11:46 ? 00:00:00 /opt/mqm/bin/amqzlaa0 -mQM1 -fip4
mqm 29674 29118 0 11:46 ? 00:00:00 /opt/mqm/bin/amqrmppa -m QM1
mqm 29702 29057 0 11:46 ? 00:00:00 /opt/mqm/bin/amqzlaa0 -mQM1 -fip5
mqm 29782 29057 0 11:46 ? 00:00:00 /opt/mqm/bin/amqzlaa0 -mQM1 -fip6
mqm 29839 29118 0 11:46 ? 00:00:00 /opt/mqm/bin/amqrmppa -m QM1
mqm 29864 29057 0 11:46 ? 00:00:00 /opt/mqm/bin/amqzlaa0 -mQM1 -fip7
mqm 29953 29057 0 11:46 ? 00:00:00 /opt/mqm/bin/amqzlaa0 -mQM1 -fip8
mqm 29962 29118 0 11:46 ? 00:00:00 /opt/mqm/bin/amqrmppa -m QM1
mqm 30035 29057 0 11:47 ? 00:00:00 /opt/mqm/bin/amqzlaa0 -mQM1 -fip9
mqm 30116 29057 0 11:47 ? 00:00:00 /opt/mqm/bin/amqzlaa0 -mQM1 -fip10
mqm 30127 29118 0 11:47 ? 00:00:00 /opt/mqm/bin/amqrmppa -m QM1
mqm 30198 29057 0 11:47 ? 00:00:00 /opt/mqm/bin/amqzlaa0 -mQM1 -fip11
mqm 30278 29057 0 11:47 ? 00:00:00 /opt/mqm/bin/amqzlaa0 -mQM1 -fip12
mqm 30292 29118 0 11:47 ? 00:00:00 /opt/mqm/bin/amqrmppa -m QM1
mqm 30361 29057 0 11:47 ? 00:00:00 /opt/mqm/bin/amqzlaa0 -mQM1 -fip13
mqm 30441 29057 0 11:47 ? 00:00:00 /opt/mqm/bin/amqzlaa0 -mQM1 -fip14
mqm 30459 29118 0 11:47 ? 00:00:00 /opt/mqm/bin/amqrmppa -m QM1
mqm 30525 29057 0 11:47 ? 00:00:00 /opt/mqm/bin/amqzlaa0 -mQM1 -fip15
mqm 30604 29057 0 11:47 ? 00:00:00 /opt/mqm/bin/amqzlaa0 -mQM1 -fip16
mqm 30623 29118 0 11:47 ? 00:00:00 /opt/mqm/bin/amqrmppa -m QM1
mqm 30687 29057 0 11:47 ? 00:00:00 /opt/mqm/bin/amqzlaa0 -mQM1 -fip17
mqm 30767 29057 0 11:47 ? 00:00:00 /opt/mqm/bin/amqzlaa0 -mQM1 -fip18
mqm 30788 29118 0 11:47 ? 00:00:00 /opt/mqm/bin/amqrmppa -m QM1
mqm 30849 29057 0 11:47 ? 00:00:00 /opt/mqm/bin/amqzlaa0 -mQM1 -fip19
mqm 30930 29057 0 11:47 ? 00:00:00 /opt/mqm/bin/amqzlaa0 -mQM1 -fip20
mqm 30953 29118 0 11:47 ? 00:00:00 /opt/mqm/bin/amqrmppa -m QM1
mqm 31012 29057 0 11:47 ? 00:00:00 /opt/mqm/bin/amqzlaa0 -mQM1 -fip21
mqm 31092 29057 0 11:47 ? 00:00:00 /opt/mqm/bin/amqzlaa0 -mQM1 -fip22
mqm 31118 29118 0 11:47 ? 00:00:00 /opt/mqm/bin/amqrmppa -m QM1
mqm 31175 29057 0 11:47 ? 00:00:00 /opt/mqm/bin/amqzlaa0 -mQM1 -fip23
mqm 31254 29057 0 11:47 ? 00:00:00 /opt/mqm/bin/amqzlaa0 -mQM1 -fip24
mqm 31283 29118 0 11:47 ? 00:00:00 /opt/mqm/bin/amqrmppa -m QM1
mqm 31338 29057 0 11:47 ? 00:00:00 /opt/mqm/bin/amqzlaa0 -mQM1 -fip25
mqm 31417 29057 0 11:47 ? 00:00:00 /opt/mqm/bin/amqzlaa0 -mQM1 -fip26
mqm 31448 29118 0 11:47 ? 00:00:00 /opt/mqm/bin/amqrmppa -m QM1
mqm 31500 29057 0 11:47 ? 00:00:00 /opt/mqm/bin/amqzlaa0 -mQM1 -fip27
mqm 31580 29057 0 11:47 ? 00:00:00 /opt/mqm/bin/amqzlaa0 -mQM1 -fip28
mqm 31613 29118 0 11:47 ? 00:00:00 /opt/mqm/bin/amqrmppa -m QM1
mqm 31662 29057 0 11:47 ? 00:00:00 /opt/mqm/bin/amqzlaa0 -mQM1 -fip29
mqm 31743 29057 0 11:47 ? 00:00:00 /opt/mqm/bin/amqzlaa0 -mQM1 -fip30
mqm 31778 29118 0 11:47 ? 00:00:00 /opt/mqm/bin/amqrmppa -m QM1
mqm 31825 29057 0 11:47 ? 00:00:00 /opt/mqm/bin/amqzlaa0 -mQM1 -fip31
mqm 31905 29057 0 11:47 ? 00:00:00 /opt/mqm/bin/amqzlaa0 -mQM1 -fip32
mqm 31943 29118 0 11:47 ? 00:00:00 /opt/mqm/bin/amqrmppa -m QM1
mqm 31988 29057 0 11:47 ? 00:00:00 /opt/mqm/bin/amqzlaa0 -mQM1 -fip33
mqm 32067 29057 0 11:47 ? 00:00:00 /opt/mqm/bin/amqzlaa0 -mQM1 -fip34
mqm 32108 29118 0 11:47 ? 00:00:00 /opt/mqm/bin/amqrmppa -m QM1
mqm 32151 29057 0 11:47 ? 00:00:00 /opt/mqm/bin/amqzlaa0 -mQM1 -fip35
mqm 32230 29057 0 11:47 ? 00:00:00 /opt/mqm/bin/amqzlaa0 -mQM1 -fip36
mqm 32273 29118 0 11:47 ? 00:00:00 /opt/mqm/bin/amqrmppa -m QM1
mqm 32313 29057 0 11:47 ? 00:00:00 /opt/mqm/bin/amqzlaa0 -mQM1 -fip37
mqm 32393 29057 0 11:47 ? 00:00:00 /opt/mqm/bin/amqzlaa0 -mQM1 -fip38
mqm 32438 29118 0 11:47 ? 00:00:00 /opt/mqm/bin/amqrmppa -m QM1
mqm 32475 29057 0 11:47 ? 00:00:00 /opt/mqm/bin/amqzlaa0 -mQM1 -fip39
mqm 32556 29057 0 11:47 ? 00:00:00 /opt/mqm/bin/amqzlaa0 -mQM1 -fip40
mqm 32603 29118 0 11:47 ? 00:00:00 /opt/mqm/bin/amqrmppa -m QM1
mqm 32638 29057 0 11:47 ? 00:00:00 /opt/mqm/bin/amqzlaa0 -mQM1 -fip41
mqm 32718 29057 0 11:47 ? 00:00:00 /opt/mqm/bin/amqzlaa0 -mQM1 -fip42
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PaulClarke
PostPosted: Wed Aug 09, 2017 1:31 pm Post subject: Reply with quote

Sentinel

Joined: 17 Nov 2005
Posts: 860
Location: New Zealand

Well, you get lots of AMQZLAA0 processes when you have lots of connections. You get lots of AMQRMPPA processes when you have lots of running channels.

So, at first glance then one would assume that this rogue application is creating lots of client connections. However, you can verify this to some extent by issuing a few commands such as:

DIS CHS(*) ALL
DIS CONN(*) ALL

Cheers,

Paul.
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krypton
PostPosted: Mon Aug 21, 2017 7:32 am Post subject: Reply with quote

Centurion

Joined: 14 Mar 2010
Posts: 112

Hi Paul,

Thank you for your reply on this topic, we were receiving error from our LINUX server that "the resource is unavailable" which means probably these huge number of processes took up almost all LINUX space.
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bruce2359
PostPosted: Mon Aug 21, 2017 7:34 am Post subject: Reply with quote

Poobah

Joined: 05 Jan 2008
Posts: 7833
Location: US: west coast, almost. Otherwise, enroute.

Look at the error logs, both mq and system, to see which resource.

Did you follow the instructions to provision your o/s for IMQ?
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gbaddeley
PostPosted: Mon Aug 21, 2017 5:15 pm Post subject: Reply with quote

Padawan

Joined: 25 Mar 2003
Posts: 1722
Location: Melbourne, Australia

Looks like there are >1000 client connections. I would guess that the app is making too many connections.
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vinay.gollapalli
PostPosted: Tue Aug 22, 2017 6:53 am Post subject: Reply with quote

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Joined: 22 Aug 2017
Posts: 12

krypton wrote:
Hi Paul,

Thank you for your reply on this topic, we were receiving error from our LINUX server that "the resource is unavailable" which means probably these huge number of processes took up almost all LINUX space.


Find out which channels are creating more number of connections and do you see any kind of rogue connections using dis chs or else dis conn by using conname .
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