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| AnAtomist.NoElectrons |
 Posted: Thu Apr 03, 2014 5:23 am Post subject: Picked best of the bad options |
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Newbie
Joined: 11 Mar 2014
Posts: 4
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| On the weekend, the new WMB flows were deployed that use the queue that was GET disabled, but accumulated test messages. Since there was no simple option to clear the queue when it is opened and GET disabled, code is deployed anyway within the brief scheduled window. I GET enabled and immediately clicked on clear using GET from MQ Explorer. Now both MQ Explorer and the app started pulling test messages out of the queue. As the app was not fast enough, it pulled only about 34 of 1300+ before MQ Explorer cleared it. The app, as expected, crapped and threw these test messages on to DLQ. No harm done elsewhere in the database etc. (so I keep my job for now). However, the app is putting some reply messages to live messages on DLQ as the specified destination is not available. We are trying to get/browse one live message for analysis while production system is running. Queue current depth is always 0 as the app is pulling messages immediately after they arrive. Is there any way to get/browse (both use MQGET call) one message out of this queue without affecting production processing at all? (May be this question belongs to another thread). |
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| Vitor |
| Posted: Thu Apr 03, 2014 5:30 am Post subject: Re: Picked best of the bad options |
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Grand High Poobah
Joined: 11 Nov 2005
Posts: 26093
Location: Texas, USA
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| AnAtomist.NoElectrons wrote: |
| (May be this question belongs to another thread). |
I thought so, and split it
_________________
Honesty is the best policy.
Insanity is the best defence. |
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| Vitor |
| Posted: Thu Apr 03, 2014 5:33 am Post subject: Re: Picked best of the bad options |
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Grand High Poobah
Joined: 11 Nov 2005
Posts: 26093
Location: Texas, USA
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| AnAtomist.NoElectrons wrote: |
| We are trying to get/browse one live message for analysis while production system is running. Queue current depth is always 0 as the app is pulling messages immediately after they arrive. Is there any way to get/browse (both use MQGET call) one message out of this queue without affecting production processing at all? |
No. If the app is pulling messages faster than you can browse them, you have no option but to stop it doing that somehow, or to introduce one of the possible message copying options (which will require a change to your production setup, which it sounds like will require an outage in a maintenance window and will therefore stop the app anyway)
_________________
Honesty is the best policy.
Insanity is the best defence. |
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| tczielke |
| Posted: Thu Apr 03, 2014 6:31 am Post subject: |
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Guardian
Joined: 08 Jul 2010
Posts: 941
Location: Illinois, USA
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| strmqtrc has a "-d all" option that allows you to trace the entire message. There would be a slight performance hit when you run the trace, but it sounds like you would not need to run it long. This would allow you to view the entire contents of the message and not have to stop or change your Production applications. |
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