From: Hannu Krosing <hannu@skype.net>
To: Simon Riggs <simon@2ndquadrant.com>
Cc: David Fetter <david@fetter.org>
Cc: Joshua D. Drake <jd@commandprompt.com>
Cc: Tom Lane <tgl@sss.pgh.pa.us>
Cc: Alvaro Herrera <alvherre@alvh.no-ip.org>
Cc: pgsql-docs@postgresql.org
Cc: pgsql-hackers@postgresql.org
Subject: Re: [DOCS] "distributed checkpoint"
Date: Fri, 07 Dec 2007 22:16:00 +0200
Message-ID: <1197058560.6307.1.camel@hannu-laptop> (raw)
In-Reply-To: <1197051730.4255.603.camel@ebony.site>
References: <20071206220348.GM8451@alvh.no-ip.org>
<5958.1196991889@sss.pgh.pa.us>
<20071206191944.1d7926d2@commandprompt.com>
<20071207034328.GB18310@fetter.org>
<1197051730.4255.603.camel@ebony.site>
Ühel kenal päeval, R, 2007-12-07 kell 18:22, kirjutas Simon Riggs:
> On Thu, 2007-12-06 at 19:43 -0800, David Fetter wrote:
> > On Thu, Dec 06, 2007 at 07:19:44PM -0800, Joshua D. Drake wrote:
> > > -----BEGIN PGP SIGNED MESSAGE-----
> > > Hash: SHA1
> > >
> > > On Thu, 06 Dec 2007 20:44:49 -0500
> > > Tom Lane <tgl@sss.pgh.pa.us> wrote:
> > >
> > > > Alvaro Herrera <alvherre@alvh.no-ip.org> writes:
> > > > > Am I the only one who finds the phrase "distributed checkpointing"
> > > > > a bit awkward? Would it be better if we used "time-distributed
> > > > > checkpointing" instead?
> > > >
> > > > Yeah, "distributed" has a bunch of connotations that are wrong for
> > > > this purpose.
> > > >
> > > > I spent a bit of time with a thesaurus but didn't come up with
> > > > anything that seemed le mot juste. Best I could do was "spread
> > > > checkpoint" or "time-extended checkpoint". Anybody have a better
> > > > idea?
> > >
> > > balanced
> > > gradual
> > > extended (I see you mention time-extended but wouldn't time be implicit
> > > based on the actual docs and thus we only need extended?)
> >
> > How about "smoothed?"
>
> Agreed
>
> "Smoothed" makes a lot of sense for me. We used to have a checkpoint
> spike, now we don't.
wide checkpoints ?
provide wide and low spikes :)
or even background checpoints ?
> Perhaps we should say something like "time extended checkpoints provide
> smoother (transaction?) response times"
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To: pgsql-docs@postgresql.org
Cc: hannu@skype.net, simon@2ndquadrant.com, david@fetter.org, jd@commandprompt.com, tgl@sss.pgh.pa.us, alvherre@alvh.no-ip.org, pgsql-hackers@postgresql.org
Subject: Re: [DOCS] "distributed checkpoint"
In-Reply-To: <1197058560.6307.1.camel@hannu-laptop>
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