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MQSeries.net Forum Index » IBM MQ API Support » Tandem CSD03 and NO_SYNCPOINT

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wangchunyuan
PostPosted: Thu Nov 02, 2006 8:29 am    Post subject: Tandem CSD03 and NO_SYNCPOINT Reply with quote

Newbie

Joined: 01 Nov 2006
Posts: 2
Our MQ application is to simulate the old SNA communication with SRVCONN and server on TANDEM and client on UNISYS. The server MQPUT a message and MQGET the reply with the waitinterval of 10 secs.

We just upgraded our MQ server to CSD03 from CSD02 and during the testing, MQ client got RC 2232. So we decided to use NO_SYNCPOINT when client issues get.

But it caused a bigger problem. Sometimes even we saw one message in the queue, client seems getting queue empty message, so messages quickly builds up on server side. It took almost 15 secs to deliver a message compare to 0.3 secs before the upgrade. But after we restart applications on both sides for serveral times, suddenly it's working.

We suspect it's kind of timing issue but can not prove. Can anyone shed some light on this problem?

Thanks.

Last edited by wangchunyuan on Mon Nov 06, 2006 6:43 am; edited 1 time in total
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wangchunyuan
PostPosted: Mon Nov 06, 2006 6:33 am    Post subject: GMO_NO_SYNCPOINT Reply with quote

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Joined: 01 Nov 2006
Posts: 2
We applied the C3EFIX4 and ask the client application to use the original GMO_SYNCPOINT option and it seems to fix the problem. Is it because the GMO_NO_SYNCPOINT caused this delay?
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