MSEG - Recommended maximum number of records?

Hi all,
This is probably an oldie but a goodie.... does anyone know if SAP has a recommended maximum number of entries for table MSEG?
I've got around 43 million entries and have terrible performance on MB51 reports and custom reports hitting this table.
Thanks,
Mark

Hi,
> This is probably an oldie but a goodie....
yes, well known in support...
> does anyone know if SAP has a recommended maximum number of entries for table MSEG?
> I've got around 43 million entries and have terrible performance
generally speaking no, at least i'm not aware of such a maximum. The biggest MSEG i have seen has 17 times
more entries (760 million).
>on MB51 reports and custom reports hitting this table.
You are probably talking about MKPF / MSEG Joins. In some cases index design, and sql statement changes can
help to reduce the i/O (depends on many things). A general advice is: ARCHIVING.
Kind regards,
Hermann

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