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| vinumon |
 Posted: Wed Oct 01, 2014 1:08 am Post subject: WAS not closing MQ SVR connection channel if not in use. |
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Acolyte
Joined: 06 May 2014
Posts: 59
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Websphere application server not closing MQ server connection channel, if no load is there.
Do any parameter needs to be set at MQ level to close the unused connections. |
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| MQsysprog |
| Posted: Wed Oct 01, 2014 1:33 am Post subject: |
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Centurion
Joined: 24 Feb 2014
Posts: 116
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You need to check and eventually set the discint paramater to a desidered numerical value ,probably your channel never disconnects because discint
(disconnect interval) has a zero value... |
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| exerk |
| Posted: Wed Oct 01, 2014 1:46 am Post subject: |
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Jedi Council
Joined: 02 Nov 2006
Posts: 6339
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| MQsysprog wrote: |
You need to check and eventually set the discint paramater to a desidered numerical value ,probably your channel never disconnects because discint
(disconnect interval) has a zero value... |
If a SVRCONN is being used, that attribute is only valid on z/OS. That said, just because there is no 'load' does not necessarily mean the WAS instance should disconnect - in client terms it is not invalid to connect and stay connected.
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| vinumon |
| Posted: Wed Oct 01, 2014 3:41 am Post subject: |
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Acolyte
Joined: 06 May 2014
Posts: 59
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| MQ version is 7.5 and OS is AIX . |
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| MQsysprog |
| Posted: Wed Oct 01, 2014 4:21 am Post subject: |
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Centurion
Joined: 24 Feb 2014
Posts: 116
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Hello ,
i would like to see the output of the command DSPMQMCHL
when done on the channel that never disconnects .
However this type of behaviour could be right ,if we consider the potential performance issues of disconnect and reconnect
as exerk rightly pointed out . |
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| bruce2359 |
| Posted: Wed Oct 01, 2014 4:48 am Post subject: |
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Poobah
Joined: 05 Jan 2008
Posts: 9486
Location: US: west coast, almost. Otherwise, enroute.
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| MQsysprog wrote: |
| i would like to see the output of the command DSPMQMCHL |
That's and iSeries MQ command?
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| mqjeff |
| Posted: Wed Oct 01, 2014 5:05 am Post subject: |
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Grand Master
Joined: 25 Jun 2008
Posts: 17447
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There's no particular reason that WAS would disconnect from a queue manager during a period of 'inactivity'.
Among other things, if there are Message Driven Beans, then WAS needs to stay connected in order to drive those beans as soon as messages arrive. |
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