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MQSeries.net Forum Index » IBM MQ Installation/Configuration Support » Process vs threads for Channels - listeners - applis

Process vs threads for Channels - listeners - applis

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KAKEZ

Posted: Fri Jan 24, 2003 1:41 am Post subject: Process vs threads for Channels - listeners - applis

Centurion

Joined: 10 Oct 2002
Posts: 117

Hi,
I wonder about the best way to use mqseries resources (and administration) by choosing to run processes or threads where possible.

- channels can be started as process or thread

- listener on Unix box may be inetd or the one started by runmqlsr

- mqseries application may be arranged to be only one process working with the queue manager or one process with many threads each connecting with the same queue manager

- may be others entities ?

i should be happy to have clear ideas about this topic - thanks in advance
to you all guys who well know the subject
Jack

bduncan

Posted: Fri Jan 24, 2003 9:57 am Post subject:

Padawan

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

I always found starting the listener via inetd (and the queue manager itself via inittab) was a reliable way for MQSeries to come up automatically on a reboot of the server. Also, if you use something like a script to start runmqlsr and it dies, it won't respawn whereas inetd takes care of that for you.
Instead of threading processes to get multiple connections to a queue manager, we tended to start many copies of the same application, each one connecting to the queue manager. I suppose it would depend on your particular application.
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Brandon Duncan
IBM Certified MQSeries Specialist
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