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MQSeries.net Forum Index » General IBM MQ Support » Heartbeat/Keepalive mechanism in client mode

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AlainB
PostPosted: Tue Apr 21, 2009 4:37 am    Post subject: Heartbeat/Keepalive mechanism in client mode Reply with quote

Voyager

Joined: 31 Oct 2002
Posts: 79
Location: Belgium
Hi there,

I have a very simple query linked to Heartbeat &/or Keepalive mechanisms.

I have an MQ client application running on a system. The queue manager is running on a separate system, and there is a firewall in-between. The firewall drops the open connections after 1h of inactivity.

My question is the following one: is it possible through MQ configuration to have heartbeats sent by the MQClient to the MQServer on a regular basis, just to keep the line opened?

Thanks & regards
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PeterPotkay
PostPosted: Tue Apr 21, 2009 5:31 am    Post subject: Re: Heartbeat/Keepalive mechanism in client mode Reply with quote

Poobah

Joined: 15 May 2001
Posts: 7722
AlainB wrote:
My question is the following one: is it possible through MQ configuration to have heartbeats sent by the MQClient to the MQServer on a regular basis, just to keep the line opened?

Yes.
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Peter Potkay
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AlainB
PostPosted: Tue Apr 21, 2009 7:18 am    Post subject: Re: Heartbeat/Keepalive mechanism in client mode Reply with quote

Voyager

Joined: 31 Oct 2002
Posts: 79
Location: Belgium
PeterPotkay wrote:
AlainB wrote:
My question is the following one: is it possible through MQ configuration to have heartbeats sent by the MQClient to the MQServer on a regular basis, just to keep the line opened?

Yes.


Great news ... so second question is raised: how can I achieve this?
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Alain Buret
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PeterPotkay
PostPosted: Tue Apr 21, 2009 7:27 am    Post subject: Reply with quote

Poobah

Joined: 15 May 2001
Posts: 7722
What MQ versionn is the MQ Client and the MQ Server?

Then do a search on Heartbeat in the correct MQ InfoCenter:

MQ 6
http://publib.boulder.ibm.com/infocenter/wmqv6/v6r0/index.jsp

MQ 7
http://publib.boulder.ibm.com/infocenter/wmqv7/v7r0/index.jsp

When Heartbeats flow for MQ Clients is slightly different betwen the versions.

Worst case at MQ 6 you can code the app to MQINQ against a queue every few minutes to guarantee network traffic.
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