Re: [HACKERS] Re: vacuum timings - Mailing list pgsql-hackers

From Dmitry Samersoff
Subject Re: [HACKERS] Re: vacuum timings
Date
Msg-id 3888B822.28F79A1F@wplus.net
Whole thread Raw
In response to Re: vacuum timings  (Bruce Momjian <pgman@candle.pha.pa.us>)
Responses Re: [HACKERS] Re: vacuum timings
List pgsql-hackers
Tom Lane wrote:
> 
> Bruce Momjian <pgman@candle.pha.pa.us> writes:
> > Conclusions:
> >       o  indexes never get smaller
> 
> Which we knew...
> 
> >       o  drop/recreate index is slower than vacuum of indexes
> 
> Quite a few people have reported finding the opposite in practice.

I'm one of them. On 1,5 GB table with three indices it about twice
slowly.
Probably becouse vacuuming indices brakes system cache policy.
(FreeBSD 3.3)



-- 
Dmitry Samersoff, DM\S
dms@wplus.net http://devnull.wplus.net
* there will come soft rains


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