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kirank
PostPosted: Thu May 07, 2009 10:39 am    Post subject: Database node Reply with quote

Centurion

Joined: 10 Oct 2002
Posts: 136
Location: California
Hi,

I have kept away from Database node as far possible. If I need to update a database I put the relevant message to queue and then use JDBC adapter to update database based on message in queue. This provides loosely couple integration with database.

But I am curious to know what is the best practice around this? Would calling database from WMB 6.1 impact Broker perfromance ?

Regards

Kiran
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AkankshA
PostPosted: Thu May 07, 2009 8:55 pm    Post subject: Reply with quote

Grand Master

Joined: 12 Jan 2006
Posts: 1494
Location: Singapore
strange....


did u never think about using a compute node for the same ????
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Hari
PostPosted: Fri May 08, 2009 9:52 am    Post subject: Reply with quote

Centurion

Joined: 21 Nov 2002
Posts: 117
Location: USA
Hi Kiran,

There is always some broker perf impact while using databases since it includes calls over the network (db is mostly remote), processing time at the database end.
But with a well defined database (indexing etc) and a robust infrastructure ensures that the perf impact is really minimal.

IMO, the best practices involves using proper sql isolation levels (like not locking db when not required) if required, proper design of msg flows/esql and foremost a well designed database.

This link though is for V5, it talks about optimizing DB2 for Broker.

http://download.boulder.ibm.com/ibmdl/pub/software/dw/wes/0312_acourt/acourt.pdf
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