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| Cluster and HeartBeat Interval |
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| oware |
 Posted: Mon Sep 23, 2002 11:27 am Post subject: Cluster and HeartBeat Interval |
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Novice
Joined: 28 Jan 2002
Posts: 23
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Hi,
I have strange thing going on in MQSeries. We have two MQSeries server machine with each one having one queue manager (Full Repository), Queue manager having one Queue Q1 on each of them. On all cluster Receiver, cluster sender, Server connection, client connection channel the heartBeat Interval is 120secs and Disconnect Interval set to 0 to keep channel running all the time.
Client application initially connects to Primary cluster queue manager CMQ1 and sends all messages to it. CMQ1 then sends messages to queue manager QM1 on machine M1 and QM2 on Machine M2 respectively. Now if CMQ1 goes down (either its shut down or network connection problem), Client connection has a logic that it connects to cluster queue manager CMQ2 immediately.
Problem:
Now the problem is When CMQ1 goes down, Client application freezes for 5 minutes after which it attempts to connect to CMQ2. But since we have set Heart Beat interval to 120secs, client Application should get a connection error from CMQ1 and then it should connect to CMQ2. In short timeout interval should be equal to 120secs and not 300secs.
Can anybody please explain me this strange MQ series behavior or am I wrong somewhere.
Thanks in advance.
Prashant.
Last edited by oware on Mon Sep 23, 2002 12:28 pm; edited 1 time in total |
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| vennela |
| Posted: Mon Sep 23, 2002 11:42 am Post subject: |
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Jedi Knight
Joined: 11 Aug 2002
Posts: 4055
Location: Hyderabad, India
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Forget Heart Beat Interval. Seach on that topic and you will get a bunch of threads on that.
The channel is gonna retry to connect for
1. Short retry count +
2. long retry count
number of times.
This means your 300 seconds = shortRetryCount* shortRetryInterval + longRetryCount* longRetryInterval.
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Venny |
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| MQS |
| Posted: Wed Sep 25, 2002 6:50 am Post subject: |
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Newbie
Joined: 12 Feb 2002
Posts: 7
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Hi Venny,
Thanks for your reply. But this seems not to be the case. I have default settings set for Short retry and long retry.i.e
Short Retry Count=10 and Interval=60
Long Retry Count=999999999 Interval=1200
Also does these settings play any role between client application connection and sever connection?
Thanks once again.
Prashant. |
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