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MQSeries.net Forum Index » IBM MQ Java / JMS » Clarification on Commit/Rollback/Syncpoint

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anilg5
PostPosted: Tue Dec 16, 2008 5:36 pm    Post subject: Clarification on Commit/Rollback/Syncpoint Reply with quote

Newbie

Joined: 15 Dec 2008
Posts: 3
Hi,
I have got one generic question. I read MQ Prgaming guide but still some confusion on this.

I am writing on Java programing using MQI interface to put the messages on remote queue and receiving messages from the local queue.

I don't have any unit of work in my application. I just need put the messages into the as soon as my process recives from another system.

In these cases do i need these Commit/Rollback/Synpoint features?

what happens if i write the program without using these about options?

we expecting around 10000 messages to put into the remote queue and that mapped to some local queue on the different MQ server.

Give me some suggestion on these
Commit/Rollback/Syncpoint

Thanks In Advance ...
Anil
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fjb_saper
PostPosted: Tue Dec 16, 2008 9:21 pm    Post subject: Re: Clarification on Commit/Rollback/Syncpoint Reply with quote

Grand High Poobah

Joined: 18 Nov 2003
Posts: 20756
Location: LI,NY
anilg5 wrote:
Hi,
I have got one generic question. I read MQ Prgaming guide but still some confusion on this.

I am writing on Java programing using MQI interface to put the messages on remote queue and receiving messages from the local queue.

I don't have any unit of work in my application. I just need put the messages into the as soon as my process receives from another system.

In these cases do i need these Commit/Rollback/Synpoint features?
Yes you do.

anilg5 wrote:
what happens if i write the program without using these about options?

So what happens when you have retrieved a message and the system crashes before you could put it? Are you ready to loose messages?

anilg5 wrote:
we expecting around 10000 messages to put into the remote queue and that mapped to some local queue on the different MQ server.

Give me some suggestion on these
Commit/Rollback/Syncpoint

Thanks In Advance ...
Anil


Use as needed. Make sure to never let the system do the default commit. Set your transaction boundaries and do a commit.
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