Re: memory strangeness (fwd) - Mailing list pgsql-admin

From Gregor Mosheh
Subject Re: memory strangeness (fwd)
Date
Msg-id 20020707101235.G61642-100000@osiris.deathkeep.com
Whole thread Raw
In response to Re: memory strangeness (fwd)  (Curt Sampson <cjs@cynic.net>)
List pgsql-admin
> > kern.ipc.shm_use_phys) On this particular system, though, it's doing
> > nothing except PG. 384 MB of RAM, I can give PG 160 of it, which leaves me
> > with some 170 MB of idle RAM.
> No, that's not idle RAM; that's buffer cache. (FreeBSD, like most
> modern Unix operating systems, will use any spare physical memory

Oh, of course! How silly of me to forget that! You're entirely right.


> It's not a sysctl, because those limits are settable per-process.
> Use "ulimit -aS" to check the current (soft) limits, and "ulimit
> -aH" to check the hard limits (beyond which the soft limits may
> not be raised). Also see the getrlimit manpage.

I shall. Thanks a lot!






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