From: trafdev <trafdev@mail.ru>
To: Tomas Vondra <tomas.vondra@2ndquadrant.com>
Cc: pgsql-performance@postgresql.org
Subject: Re: PostgreSQL on ZFS: performance tuning
Date: Thu, 28 Jul 2016 23:47:22 -0700
Message-ID: <70bfa668-8904-8668-d0a6-6a6e27d38245@mail.ru> (raw)
In-Reply-To: <c3e5970c-312f-2c98-c3a7-b3273f1d7c07@2ndquadrant.com>
References: <1cdf08f7-de8f-c55f-c1ec-29a5f15d5011@mail.ru>
<c3e5970c-312f-2c98-c3a7-b3273f1d7c07@2ndquadrant.com>
List-Unsubscribe: <mailto:majordomo@postgresql.org?body=unsub%20pgsql-performance>
> > - from what I can see, Postgres uses memory too carefully. I would like
> > somehow to force it to keep accessed data in memory as long as possible.
> > Instead I often see that even frequently accessed data is pushed out of
> > memory cache for no apparent reasons.
> >
>
> This is probably a consequence of the primarycache misconfiguration.
Thanks! And I'm using "primarycache=all" in my deployment...
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To: pgsql-performance@postgresql.org
Cc: trafdev@mail.ru, tomas.vondra@2ndquadrant.com
Subject: Re: PostgreSQL on ZFS: performance tuning
In-Reply-To: <70bfa668-8904-8668-d0a6-6a6e27d38245@mail.ru>
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