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MQSeries.net Forum Index » IBM MQ Java / JMS » sync/async writes

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ksingh
PostPosted: Fri Apr 19, 2002 1:14 pm    Post subject: Reply with quote

Newbie

Joined: 18 Apr 2002
Posts: 1
I am modelling my application to be built on MQ.
The question I have are:

For persistent messages when enqueued to a Persistent Queue
is the write to disk synchronous or are the writes async.
I donot want to use transactions. Will I get the guarentee/Qos that
my message survive a machine crash when I pull the power cord
or do I have to set BATCHSZ=1.
What if I set BATCHSZ=50

I saw some post back where the messages were lost if there
were no receivers.

http://www.mqseries.net/phpBB/viewtopic.php?topic=2180&forum=12&7
somebody replied:
Check to see if you have the SYNC-POINT Option set, The failure your describing
sounds like the message is sometimes not being commited to the queue.

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