Re: FreeBSD 7 needing to allocate lots of shared memory - Mailing list pgsql-general

From Christiaan Willemsen
Subject Re: FreeBSD 7 needing to allocate lots of shared memory
Date
Msg-id 4922ED65.8070401@technocon.com
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In response to Re: FreeBSD 7 needing to allocate lots of shared memory  (Tom Lane <tgl@sss.pgh.pa.us>)
Responses Re: FreeBSD 7 needing to allocate lots of shared memory  (Tom Lane <tgl@sss.pgh.pa.us>)
List pgsql-general
Hi Tom,

Tom Lane wrote:
> I'm wondering about the shmall setting myself.  The Postgres docs
> suggest that FreeBSD measures shmall in pages.  If so, the above
> setting is far too large and is perhaps resulting in an internal
> overflow in the kernel.
>
Hmm, might be.. I can try lowering the value, but if this is the problem
what is max?
> (For that matter, are you certain that shmmax can be set beyond
> 2G either?  It might only be int inside the kernel.)
>
I'm not at all a freeBSD expert... We just happen to use this because
anything else just won't work with our disk controller (don't ask).

Kind regards,

Christiaan Willemsen

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