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MQSeries.net Forum Index » General IBM MQ Support » Compression

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fjb_saper
PostPosted: Tue Jul 29, 2008 2:32 pm    Post subject: Reply with quote

Grand High Poobah

Joined: 18 Nov 2003
Posts: 20767
Location: LI,NY
skytrain wrote:
hi again..and thx for answerng

here a little desciption of my test:

i developed a java programm that can put and get messages on and from the MQ from and to the filesystem...using the Server Channel the hashtable i use when i create an instance of my queue manager:


Hashtable table = new Hashtabe();
table.put(MQC.CHANNEL_PROPERTY, myChannelname);
table.put(MQC.HOST_NAME_PROPERTY, myHostname);
table.put(MQC.PORT_PROPERTY, Port);
//here now my compression
Collection msgComp = new Vector();
msgComp.add(new Integer(MQC.MQCOMPRESS_ZLIBHIGH));
MQEnvironement.hdrCompList = msgComp;
MQQueueManeger mq = new MQQueueManager(myqueuemang, table);

the compression by doing this is not working..i dont know why...
any idea?
thx

The answer is because you are setting the compression on the message header only instead of setting it at the message level.....
Now we still expect your message to be under 4MB.
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solomon_13000
PostPosted: Thu Oct 02, 2008 7:24 am    Post subject: Reply with quote

Master

Joined: 13 Jun 2008
Posts: 284
so we can set compression at the sender channel by issuing the following MQSC command:

ALTER CHANNEL(<channelname>) COMPMSG(ZLIBHIGH)
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