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MQSeries.net Forum Index » General Discussion » Channel MAXMSGL

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starfish77
PostPosted: Mon Dec 01, 2003 6:46 am    Post subject: Channel MAXMSGL Reply with quote

Apprentice

Joined: 07 Nov 2003
Posts: 31
Location: USA
I have a doubt regarding maxmsgl attribute of channel. I am using client conn table to connect my client to MQ server. Also, I am using segmentation as the message is quite large than default message size of 4MB.I get 2010 error if I do not increase the MAXMSGL of SVROCONN and CLNTCONN channels to accomodate the maximum message length (10MB). Each of segment is going to be 1MB. My question is why do we need to increase the channel size if the segment size itself is less than MAXMSGL value. When I segment the message, when is the time that whole message will be going in and out of the channel so that it needs 10MB size????

Appreciate your thoughts...
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jefflowrey
PostPosted: Mon Dec 01, 2003 7:33 am    Post subject: Reply with quote

Grand Poobah

Joined: 16 Oct 2002
Posts: 19981
All of the real "work" for a client is done on the server side of the client connection channel.

A client merely passes MQI calls over the channel to an agent process. The agent process then actually executes the MQI calls.

Since automatic segementation is done by the server after the put occurs, you have to have a client channel big enough to hold the whole message so the put can occur.
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starfish77
PostPosted: Mon Dec 01, 2003 3:35 pm    Post subject: Reply with quote

Apprentice

Joined: 07 Nov 2003
Posts: 31
Location: USA
Is this true even if i use the application managed segmentation where I can decide the size of each segment. In that case, only1 segment will travel though the channel and MQ will have no idea wha is the length of original message..
please throw some light on this...
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