Re: Patches with vacuum fixes available for 7.0.x

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От Alfred Perlstein
Тема Re: Patches with vacuum fixes available for 7.0.x
Дата
Msg-id 20001207190717.E16205@fw.wintelcom.net
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Ответ на Re: Patches with vacuum fixes available for 7.0.x  (Tom Samplonius <tom@sdf.com>)
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* Tom Samplonius <tom@sdf.com> [001207 18:55] wrote:
> 
> On Thu, 7 Dec 2000, Alfred Perlstein wrote:
> 
> > We recently had a very satisfactory contract completed by
> > Vadim.
> > 
> > Basically Vadim has been able to reduce the amount of time
> > taken by a vacuum from 10-15 minutes down to under 10 seconds.
> ...
> 
>   What size database was that on?

Tables were around 300 megabytes.

>   I looking at moving a 2GB database from MySQL to Postgres.  Most of that
> data is one table with 12 million records, to which we post about 1.5
> million records a month.  MySQL's table locking sucks, but as long as are
> careful about what reports we run and when, we can avoid the problem.  
> However, Postgres' vacuum also sucks.  I have no idea how long our
> particular database would take to vacuum, but I don't think it would be
> very nice.

We only do about 54,000,000 updates to a single table per-month.

>   That also leads to the erserver thing.  erserver sounds nice, but I sure
> wish it was possible to get more details on it.  It seems rather
> intangible right now.  If erserver is payware, where do I buy it?

Contact Pgsql Inc. I think it's free, but you have to discuss terms
with them.

>   This is getting a bit off-topic now...

Scalabilty is hardly ever off-topic. :)

-- 
-Alfred Perlstein - [bright@wintelcom.net|alfred@freebsd.org]
"I have the heart of a child; I keep it in a jar on my desk."


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