Performance problems using dataqueues to NT.

I am working on a webapplication running on NT. The application makes use of
a database on AS/400. To communicate with the AS/400 I use 2 dataqueues and
the AS/400 toolbox to read from one and write to the other (on the AS/400 it
is vise versa using Cobol programs). My team has done a lot of work in
increasing communication speed. Our main problem in increasing the speed
further is that we have  2 secs delay from an entry is made on our
input-dataqueue until the java program receives the entry. The funny part is
that if we stall the Cobol program that writes to the queue for more than 2
secs the java program recieves the entry immediately. It should be noted
that the java programs used for reading and writing are running seperate
threads so the reading thread should be unaffected by the writing thread.

The result of this is that the time used from an entry is made to the
dataqueue and returned is 2 secs + a fraction. The fraction representing the
real processing time.

Thank you for any input on how to get by this problem

Mads Peter Henderson
maheo@wmdata.com

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