Re: ASH Buffer max size

a short google search brought some ambiguous informations: it's controlled by _ash_size
one formula is
Max( Min ( No. of CPU * 2 M, 5% of SHARED_POOL_SIZE, 2% of SGA_TARGET) ,1M) - http://www.nyoug.org/Presentations/2006/September_NYC_Metro_Meeting/200609Johal_Oracle10gs%20As.pdf .
another: max (min (#of CPUs * 2MB, 5% of SHARED_POOL_SIZE, 30MB), 1MB) - http://www.mhprofessional.com/downloads/products/007222729X/007222729X_chp09.pdf

both seem to be about 10g.

Currently I have no informations if there are any changes in 11g, sorry.

happy testing with _ash* parameters.

hth,
  Martin

>
> Hallo Listers,
> I have s simple question:
> What is the maximum size if ASH buffers.
> Some documents say it is 30Mb, other documents say it is 128MB (for
> 10GR2).
>
> Is there any change in the upper ASH buffers size 11GR1 ?
>
> Many thanks in advance.
>
> Best Regards. Milen
> --
> http://www.freelists.org/webpage/oracle-l
>

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