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04399 - ABAP program buffer (PXA): cleaning and reorganizing strategy

04399 - ABAP program buffer (PXA): cleaning and reorganizing strategy

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ABAP program buffer (PXA): cleaning and reorganizing strategy

Hi SAPings,
when i look at PXA-buffer/technical (buffered objects), I see a lot of
multiple report entries, apparently using buffer space.
The buffer size was 800 MB with about 30.000 entries, then we had massive
swapping/buffer reorg and therefore rather degraded performance.
I increased buffer size to 1.500 MB, after 3 days SAP needs 1.300 MB for
about 73.000 entries in it.
Comparing this values with our development box, we need about 400 MB actual
size, in spite of generation/changing of reports.

Can anybody explain the existance and this amazing increase of report
entries ?
In the last days, the number of users and the mode of operation did not
change.

Any ideas?

btw I wish everybody Happy Christmas and a very Happy New Year!

look forward to interresting responses - Thomas Schoenauer
SAP R/3 BASIS & AS/400 System Administrator
Municipality of Linz, Dpt. of EDP, Sect. Systems Management
A-4041 Linz, Gruberstraße 40 - 42, Room 408
Tel ++43 (732) 7070-1737 Fax ++43 (732) 7070-1555
mailto://Thomas.SchoenauerZmag.linz.at
<mailto://Thomas.SchoenauerZmag.linz.at>
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