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MQSeries.net Forum Index » General IBM MQ Support » Message Persistent

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cots
PostPosted: Mon Sep 08, 2003 8:15 am    Post subject: Message Persistent Reply with quote

Centurion

Joined: 16 Jun 2003
Posts: 105

I am a bit unclear, Could someone please verify? I would like to have
my meesages to be persistent so in my queue I have a Remote
defination queue and I set the message default to be persistent. Do
I also need to set my XMITQ to be persistent as well? does it make any
different if my XMITQ is persistent or not?

Thanks in advance
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mrlinux
PostPosted: Mon Sep 08, 2003 8:23 am    Post subject: Reply with quote

Grand Master

Joined: 14 Feb 2002
Posts: 1261
Location: Detroit,MI USA

The default persistence setting of queue attribute doesnt mean the messages will be persistent or not, it based on the way the application
puts the message on the queue.

1) App can always put the message persistent (queue Attribute wont have any effect on the message persistence)
2) App can always put the message non-persistent (queue Attribute wont have any effect on the message persistence)

3) App can put messages basd on queue Attirbute, this will allow the
Queue Attribute to control the type of messages.
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cots
PostPosted: Mon Sep 08, 2003 9:35 am    Post subject: Reply with quote

Centurion

Joined: 16 Jun 2003
Posts: 105

Jeff,

Thank you for clarifying my thought. Your answer brings to other question
which I have. if the Application put the message is persistent, Where is
the persistent message will be stored in? is it in database or file system?
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mrlinux
PostPosted: Mon Sep 08, 2003 11:06 am    Post subject: Reply with quote

Grand Master

Joined: 14 Feb 2002
Posts: 1261
Location: Detroit,MI USA

depends on the platform AS/400 and OS/390 are different than the rest.

The data will be kept in a file:

MQROOT/qmgrs/QMGR_NAME/queues/QUEUE_NAME/q

The QUEUE_NAME will have '!' characters instead of '.' character

Queue Name ABC.DEF
Filename ABC!DEF
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cots
PostPosted: Mon Sep 08, 2003 12:28 pm    Post subject: Reply with quote

Centurion

Joined: 16 Jun 2003
Posts: 105

Jeff,

Again, Thank you very much for your verification
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