AS/400 JDBC Insert performance

[Allen <tayal01@xxxxxxxxx>]

I need to insert 180,000 rows into an AS/400 table
within a 4 hour period.  Currently the best I can do
will come in at 8 hours.  I am pretty sure that I
should be able to at least double this speed.

I am using the JT/Open toolkit JDBC driver.  I'm using
Prepared Statements and I'm commiting after each batch
of 250 rows.  The odd thing is that batching up the
commits at 250 rows doesn't appear to be any faster
than single row commits.

Is there anything I need to do on the AS/400 to
improve performance?  Will changing the isolation
level of my JDBC connection make any difference?

Thanks,
Allen.

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