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  3. June 2011

Question about performance of QUSLSPL vs WRKOUTQ

I have an Output Queues with 80,000 spooled files (please don't ask why, I
am working on getting them cleaned up) running V5R4



If I execute WRKOUTQ TEST the processing occurs very quickly and the list of
spooled files appears in a few seconds



I have a program that creates a user space then runs the API QUSLSPL to get
the list of spooled files in the Output Queue

and after 20 minutes it is still running.



I first create a user space TSTOQENT with INITSZ(4000000)



Then

CHGVAR VAR(&OUTQNMLB) VALUE(&OUTQNM *CAT '*LIBL ')

CHGVAR VAR(&FORMAT) VALUE('SPLF0100')



CALL PGM(QUSLSPL) PARM('TSTOQENT QTEMP ' +

&FORMAT '*ALL' &OUTQNMLB '*ALL' '*ALL' )



After 20 minutes this is still running.

Am I using the wrong API?

Is there a faster method of getting a list of spooled files in an OUTQ?

I run this same program against a spooled file with a couple of spooled
files and it is very fast



Thanks



John










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