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MQSeries.net Forum Index » IBM MQ API Support » syncpoint question

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JasonE
PostPosted: Tue Oct 05, 2004 3:50 am    Post subject: Reply with quote

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Joined: 03 Nov 2003
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Location: Hursley

And to add to the transactional client comments:
http://www-1.ibm.com/support/docview.wss?uid=isg1II13466
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jefflowrey
PostPosted: Tue Oct 05, 2004 4:53 am    Post subject: Reply with quote

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Joined: 16 Oct 2002
Posts: 19981

kirani wrote:
Well, MTS can act as a Transaction Coordinator. In his case MQ and SQL Server DB will act as Resource managers within the same transaction.


Yeah, but only with the Extended Transactional Client, not with the regular client.

And the ETC didn't used to support MTS, although apparently that changed today.
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JasonE
PostPosted: Tue Oct 05, 2004 5:05 am    Post subject: Reply with quote

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Not quite today, but recently - I just hope it works

(And yes, I did clarify it was the transaction client)
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AKoerner
PostPosted: Tue Oct 12, 2004 2:59 am    Post subject: Reply with quote

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Joined: 11 Oct 2004
Posts: 3
Location: Duisburg, Germany

bower5932 wrote:
If your app happens to be client connected, you may need to wait for the agent that is running on the qmgr to time out before the message becomes available. However, this is simply timing. The message isn't lost.


How can I configure the timeout behaviour of that agent?
Maybe that will solve our problems described in
http://www.mqseries.net/phpBB2/viewtopic.php?t=18195
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JasonE
PostPosted: Tue Oct 12, 2004 3:07 am    Post subject: Reply with quote

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hbint and keepalive

hbint - impacts the max time the client side will ever go into a receive for an API response before timing out. If you are not in an API call, this wont help.

keepalive - If enabled, how long before the o/s checks the other end of the socket is still alive. The problem is you only determine socket problems when you flow data down a socket (ie a send), so the server will sit in a recv call and not be told if the other side has died until keepalive pops. You need to enable it, and then it defaults to 2 hours on most operating systems. After 2 hours, a dummy packet is sent along the tcpip link by the o/s and if that fails, the socket is closed and the waiting receiver can then clean up
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