| From: | Dimitri Fontaine <dfontaine(at)hi-media(dot)com> |
|---|---|
| To: | pgsql-hackers(at)postgresql(dot)org |
| Cc: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, "Heikki Linnakangas" <heikki(at)enterprisedb(dot)com>, "Neil Conway" <neilc(at)samurai(dot)com>, "Alvaro Herrera" <alvherre(at)commandprompt(dot)com> |
| Subject: | Re: advancing snapshot's xmin |
| Date: | 2008-03-26 08:33:27 |
| Message-ID: | 200803260933.27571.dfontaine@hi-media.com |
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| Lists: | pgsql-hackers |
Le mercredi 26 mars 2008, Tom Lane a écrit :
> whenever the number of active snapshots goes to zero
Does this ever happen?
I mean, if the way to avoid locking contention is to rely on a production
system which let the service "breathe" from time to time, maybe there's
something wrong in the reasoning.
Of course I'm much more ready to accept I don't understand the first bit of it
all than to consider you're off-tracks here, but...
--
dim
If you ask a stupid question, you may feel stupid. If you don’t ask a stupid
question, you remain stupid.
-- Tony Rothman, Ph.D.U. Chicago, Physics
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