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Urbanek, Marty wrote:
... the "global limit" is within the application, not the OS (after a
couple days of pointing fingers at the #*&$#^ iSeries guy ;-) ).

Heh ... a few years ago I spent about two weeks chasing down a problem with one of our Java applications that was using DB2 400 as it's database (java app, can use numerous different databases via JDBC).


The diagnostics were pretty sketchy, mainly some application level logging, but there was a distinct delay in certain operations that couldn't be explained.

Since DB2 400 was the ONLY thing that was really different about the configuration, they were 100% sure it was the iSeries that was causing the problem.

Since I am one of a very few people in the organization who knows both Java and iSeries, tracking the problem down in the DB2 400 specific code was assigned to me. I dug into the problem for quite some time, getting IBM involved for a while, but couldn't figure out what the problem was.

Finally, after much frustration and hair pulling (and I don't have that much too pull), it was finally determined that the problem was actually due to their Novell LDAP server causing a serious authentication delay.

After the LDAP server was fixed, everything worked fine.

david

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