From: Tom Lane <tgl@sss.pgh.pa.us>
To: Robert Haas <robertmhaas@gmail.com>
Cc: Magnus Hagander <magnus@hagander.net>
Cc: Greg Smith <greg@2ndquadrant.com>
Cc: pgsql-hackers@postgresql.org
Subject: Re: auto-sizing wal_buffers
Date: Thu, 13 Jan 2011 19:25:09 -0500
Message-ID: <20767.1294964709@sss.pgh.pa.us> (raw)
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<AANLkTinhU9EEPGM29S+KH=qK4t-mLhBBNAaLCGQSx-4y@mail.gmail.com>
Robert Haas <robertmhaas@gmail.com> writes:
> On Thu, Jan 13, 2011 at 5:29 PM, Magnus Hagander <magnus@hagander.net> wrote:
>> +1, I like the idea. Would it still be there to override if necessary?
> Depends what people want to do. We could make the default "0kB", and
> define that to mean "auto-tune", or we could remove the parameter
> altogether. I think I was envisioning the latter, but if people are
> hesitant to do that we could do the former instead.
I think we need to keep the override capability until the autotune
algorithm has proven itself in the field for a couple of years.
I agree with Josh that a negative value should be used to select the
autotune method.
regards, tom lane
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To: pgsql-hackers@postgresql.org
Cc: tgl@sss.pgh.pa.us, robertmhaas@gmail.com, magnus@hagander.net, greg@2ndquadrant.com
Subject: Re: auto-sizing wal_buffers
In-Reply-To: <20767.1294964709@sss.pgh.pa.us>
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