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MQSeries.net Forum Index » General IBM MQ Support » Channel Expiration Question

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skytorch
PostPosted: Tue Sep 17, 2002 8:44 am    Post subject: Channel Expiration Question Reply with quote

Apprentice

Joined: 10 Jun 2002
Posts: 47
Location: New York City

Hi,

I'm using MQ5.1 on Tru64. I've a couple of channel expiration related questions. Thanks in advance.

1. I noticed channel exits normally after certain idle period. How to prevent this, ie. keep channel always running ?

2. I checked channel attributes, and set heart beat interval to 2 sec on both sending and receiving sides, after I start channel, I don't see any actions after 2 secs. What's supposed to happen after heart beat interval if channel is idle ?

3. what are the drawbacks to keep channel always running ? (by the way, triggering is not working consistently at my environment)

Sky
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vennela
PostPosted: Tue Sep 17, 2002 9:25 am    Post subject: Reply with quote

Jedi Knight

Joined: 11 Aug 2002
Posts: 4055
Location: Hyderabad, India

One way to keep the channel up is by having DISCINT = 0.
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bduncan
PostPosted: Tue Sep 17, 2002 10:34 am    Post subject: Reply with quote

Padawan

Joined: 11 Apr 2001
Posts: 1554
Location: Silicon Valley

Sky,
To answer #2, the heartbeat interval doesn't come into play until the channel goes into RETRYING mode. While the channel may be idle, the status of it is still RUNNING, and when the disconnect interval is reached, the channel simply becomes inactive. The only time the channel goes into RETRYING mode is when there is a network/configuration problem.
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PeterPotkay
PostPosted: Tue Sep 17, 2002 10:48 am    Post subject: Reply with quote

Poobah

Joined: 15 May 2001
Posts: 7716

#3)Pros and cons of DISCINT=0
http://www.mqseries.net/phpBB2/viewtopic.php?t=4721&highlight=

#2) More info on how/why/what is Heartbeat
http://www.mqseries.net/phpBB2/viewtopic.php?t=5136&highlight=
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