"Ashish Karalkar" <ashish.karalkar@info-spectrum.com> writes:
> As per documantation on :
> http://www.redhat.com/docs/manuals/database/RHDB-7.1.3-Manual/admin_user/=
> kernel-resources.html
Why in the world are you consulting PG 7.1 documentation for help in
managing an 8.2 installation? That manual is so obsolete as to be
seriously misleading.
> But I am not getting the count of number of buffres.
> In postgres.conf file there is size of shared buffer.
> shared_buffer=24 MB.
So you need 24MB (plus some slop) SHMMAX.
In any case, there's no harm in making SHMMAX big. Just set it to
100M or 1G and be done with it.
regards, tom lane