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| MQ V7.0.1.0 - delay of 1.5 mins when connecting |
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| jolonm |
 Posted: Sun Nov 08, 2009 9:31 pm Post subject: MQ V7.0.1.0 - delay of 1.5 mins when connecting |
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Apprentice
Joined: 31 Dec 2008
Posts: 25
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We are migrating from .Net Framework 1.1, MQ V6.0, Windows 2003 to .Net Framework 3.5, MQ V7.0.1.0, Windows 2008. We have observed that with new setup there is delay of 1.5 mins when .net application tries to establish first connection with the Queue. For all next connection there were no delay observed.
Any idea or help will be highly appreciated.
Thanks,
Ashish Khandelwal
http://ashishkhandelwal.arkutil.com |
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| jolonm |
| Posted: Mon Nov 09, 2009 10:04 am Post subject: |
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Apprentice
Joined: 31 Dec 2008
Posts: 25
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Surprise!!!
So far no comments from anybody.
Will anybody? |
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| bruce2359 |
| Posted: Mon Nov 09, 2009 10:26 am Post subject: |
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Poobah
Joined: 05 Jan 2008
Posts: 9469
Location: US: west coast, almost. Otherwise, enroute.
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From the lack of replies, I'd guess not.
_________________
I like deadlines. I like to wave as they pass by.
ב''ה
Lex Orandi, Lex Credendi, Lex Vivendi. As we Worship, So we Believe, So we Live. |
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| mqjeff |
| Posted: Mon Nov 09, 2009 11:58 am Post subject: |
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Grand Master
Joined: 25 Jun 2008
Posts: 17447
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How are you measuring the delay?
What kind of connection are you using?
How deep is the queue? Is this the first time it's been opened up since the qmgr started?
What have you tried? Are there errors? |
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| jolonm |
| Posted: Mon Nov 09, 2009 9:08 pm Post subject: |
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Apprentice
Joined: 31 Dec 2008
Posts: 25
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Each time when i run my application and try to connect to MQ it is taking 1.5 mins, this is with very first connection of each execution. In the previous setup (MQ 6.0, Windows 2003, .Net Framework 1.1) it was quick.
Remember the QMgr is running locally.
My first guess goes to IBM fix - IZ43635: DELAYED ACKS SLOW MQ TCP CHANNELS, ESPECIALLY OVER LOOPBACK (url - http://www-01.ibm.com/support/docview.wss?rs=171&uid=swg1IZ43635), but i am not sure.
Is there any way to know whether 'delayed acknowledgement for WebSphere MQ channels' is disabled or not? I think if would be able to check this, i might get something to fix.
My another guess goes to - Windows 2008 - in that new security system has been introducted - so might be due to that - but i am sure if that would be the case then IBM would have pointed out or given the fix.
So please, if anybody has any idea and fix - please let me know. |
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| gbaddeley |
| Posted: Tue Nov 10, 2009 2:50 pm Post subject: |
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Jedi Knight
Joined: 25 Mar 2003
Posts: 2538
Location: Melbourne, Australia
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Try running MQ trace (strmqtrc, endmqtrc) and see if the delay is occurring in the MQ processing.
_________________
Glenn |
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