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All,

 

I have a JDBC based application that is extracting data from an iSeries
database, and writing it out to an MS SQL Server database. In eclipse on my
PC a simple extract takes about 5 secs. However when I move the code onto
the iSeries, the same extract takes 55 secs, a 10 fold increase. Changing
the iSeries database driver from jt400 to db2 makes no difference. Running
crtjvapgm on all the jar's makes no difference.

 

Looking at my log output, most of the time is spent creating the SQL server
connection. Why would this take so long on the iSeries, but be practically
instantaneous on my PC? (The SQL server database is not local to my PC
either, it's on the other side of a firewall). I'm using the MS sqljdbc.jar
I downloaded from the MS website. Are there some tuning options I can play
with? Is there a better jar to use?

 

Anyone else had this problem?

 

Regards,

Chris.


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