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From: Justin Pryzby <pryzby@telsasoft.com>
To: Barbu Paul - Gheorghe <barbu.paul.gheorghe@gmail.com>
Cc: Jeff Janes <jeff.janes@gmail.com>
Cc: pgsql-performance@lists.postgresql.org
Subject: Re: Erratically behaving query needs optimization
Date: Mon, 26 Aug 2019 06:51:41 -0500
Message-ID: <20190826115141.GE7201@telsasoft.com> (raw)
In-Reply-To: <CAB14va-FAhf_wp7rMnsmOxY16vGb5MHjLTUaiu8uO-3=DfLf8Q@mail.gmail.com>
References: <CAB14va-2iukzjQyA6rBQfeQuMMbd8Z+f22fvM3H9k+PxKa-_sw@mail.gmail.com>
	<CAMkU=1w6fCk0SeaCqSRFsnWu64sjha5MvrqFLE-RkMNVu4uL_g@mail.gmail.com>
	<CAB14va-FAhf_wp7rMnsmOxY16vGb5MHjLTUaiu8uO-3=DfLf8Q@mail.gmail.com>

On Mon, Aug 26, 2019 at 11:25:57AM +0300, Barbu Paul - Gheorghe wrote:
> On Sun, Aug 25, 2019 at 5:51 PM Jeff Janes <jeff.janes@gmail.com> wrote:
> 
> > You can use pg_rewarm to overcome the cold cache issue when you first start up the server.
> 
> I cannot find anything related to pg_rewarm other than some dead ends
> from 2013 from which I gather it only works on Linux.

It's a current extension - spelled PREwarm, not rewarm, and definitely not
reworm.

https://www.postgresql.org/docs/current/pgprewarm.html





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