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MQSeries.net Forum Index » General IBM MQ Support » unstoppable of amqzlaa0 process,continously increasing

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bkRaju
PostPosted: Mon Mar 02, 2009 3:55 am    Post subject: unstoppable of amqzlaa0 process,continously increasing Reply with quote

Centurion

Joined: 19 Aug 2008
Posts: 106

Hi Experts,

Here I am able to see 380 amqzlaa0 processes .It is continuously increasing.
I have done several times recycling qmgr but no use.
still so many process are getting generated. because of this Qmgr is going to hanging state and non responsive.

Please guide me how to solve this problem.
any procedure to know which application are opened this process amqzlaa0?

I really appreciate ur quick response.


Thanks
Krishnam
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Vitor
PostPosted: Mon Mar 02, 2009 4:07 am    Post subject: Re: unstoppable of amqzlaa0 process,continously increasing Reply with quote

Grand High Poobah

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

bkRaju wrote:
Please guide me how to solve this problem.


Get the applications which are client connected to your queue manager to disconnect properly

bkRaju wrote:

any procedure to know which application are opened this process amqzlaa0?


Check the client channels on the queue manager.
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Vitor
PostPosted: Mon Mar 02, 2009 4:08 am    Post subject: Reply with quote

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Joined: 11 Nov 2005
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Location: Texas, USA

Moved to more appropriate section.
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bkRaju
PostPosted: Mon Mar 02, 2009 4:25 am    Post subject: Reply with quote

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Joined: 19 Aug 2008
Posts: 106

It is on unix .
I am not able to do any command in runmqsc $qmgr.
So how can i get the channles which are active?
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Vitor
PostPosted: Mon Mar 02, 2009 4:33 am    Post subject: Reply with quote

Grand High Poobah

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

bkRaju wrote:
I am not able to do any command in runmqsc $qmgr.


Why not? Are there already so many channels the queue manager is unresponsive?

If so, recycling the queue manager is probably your only recourse.

bkRaju wrote:
So how can i get the channles which are active?


In this case, it's probably already too late for controlled activities.
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bkRaju
PostPosted: Mon Mar 02, 2009 4:52 am    Post subject: Reply with quote

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Joined: 19 Aug 2008
Posts: 106

Hey...
Can u share that control actvities...Now I have done recycle for fourth time
Tell me what my next observations...
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Vitor
PostPosted: Mon Mar 02, 2009 4:56 am    Post subject: Reply with quote

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

bkRaju wrote:
Can u share that control actvities...


If you still have control of the queue manager, you can stop the client channel and hence the processes. You'd probably need to force it down and this will of course disconnect all the active as well as inactive connections.

bkRaju wrote:
Tell me what my next observations...


Observe which applications are written incorrectly. Beat application developers with trout until they agree to disconnect properly. Possibly also agree to only connect once per app; you've given no details of your wider environment so it's unclear how you're managing connections.
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bkRaju
PostPosted: Mon Mar 02, 2009 5:28 am    Post subject: Reply with quote

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Joined: 19 Aug 2008
Posts: 106

after recyle
now this time command server is not coming up
I am getting error.
AMQ8510 Command server queue is open, try again later.


and repository process is not coming up..

It is Big trouble
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Vitor
PostPosted: Mon Mar 02, 2009 5:43 am    Post subject: Reply with quote

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

bkRaju wrote:
AMQ8510 Command server queue is open, try again later.
and repository process is not coming up..


It certainly is. How was the queue manager recycled? Was it one of the methods in the documentation, or has there been an unfortunate use of kill -9?

It sounds like you've got bits and pieces of the previous queue manager hanging around. Clear those down, possibly rebooting the Unix in severe circumstances.
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bkRaju
PostPosted: Mon Mar 02, 2009 6:05 am    Post subject: Reply with quote

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Joined: 19 Aug 2008
Posts: 106

I have used the command endmqm -i $qmgr
and waited all process to be down...


after ensuring there is no process running,I have started it back.


...
for this rebooting server will solve issue?
How u ensure after the rebooting server will solve issue?
is no alternative in MQ at all>>>????
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mqjeff
PostPosted: Mon Mar 02, 2009 6:15 am    Post subject: Reply with quote

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Joined: 25 Jun 2008
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You clearly didn't wait for all processes to go down, otherwise it wouldn't have been complaining the way it is complaining.

At this point, rebooting the server is the simplest, most reliable thing you can do to ensure that when the qmgr starts up that all of it's resources are available and not locked by other things.

Otherwise, you can stop the qmgr again - without using -i - and then make sure that no processes are running that have MQ open at all (including runmqlsr and any process named like amq*). Then you can review your platform WebSphere MQ manual and the system administration guide for things like amqiclen and other such useful things.
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Vitor
PostPosted: Mon Mar 02, 2009 6:22 am    Post subject: Reply with quote

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mqjeff wrote:
Then you can review your platform WebSphere MQ manual and the system administration guide for things like amqiclen and other such useful things.


bkRaju wrote:
It is on unix



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bkRaju
PostPosted: Tue Mar 03, 2009 4:15 am    Post subject: Reply with quote

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Joined: 19 Aug 2008
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Hey Jeff,

I have restarted qmgr fro several times..but every time it is loosing repostiroy process and command sever after start of every 10m.


Let me know why it happens and how to rectify?
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exerk
PostPosted: Tue Mar 03, 2009 4:18 am    Post subject: Reply with quote

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Joined: 02 Nov 2006
Posts: 6339

bkRaju wrote:
Hey Jeff,

I have restarted qmgr fro several times..but every time it is loosing repostiroy process and command sever after start of every 10m.


Let me know why it happens and how to rectify?


As mqjeff stated earlier:

Quote:
At this point, rebooting the server is the simplest, most reliable thing you can do to ensure that when the qmgr starts up that all of it's resources are available and not locked by other things.

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Vitor
PostPosted: Tue Mar 03, 2009 4:20 am    Post subject: Reply with quote

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

bkRaju wrote:
I have restarted qmgr fro several times


Did you clean up once the processes were stopped as advised? Is there an ongoing problem with held resources? Has the server itself been restarted?
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