Re: Huge memory consumption during vacuum (v.8.0) - Mailing list pgsql-hackers

From Oleg Bartunov
Subject Re: Huge memory consumption during vacuum (v.8.0)
Date
Msg-id Pine.GSO.4.62.0502021025130.20328@ra.sai.msu.su
Whole thread Raw
In response to Re: Huge memory consumption during vacuum (v.8.0)  (Tom Lane <tgl@sss.pgh.pa.us>)
List pgsql-hackers
On Tue, 1 Feb 2005, Tom Lane wrote:

> Oleg Bartunov <oleg@sai.msu.su> writes:
>> I see that pgsql_tmp/ contains files, looks like clustered table.
>> What postmaster is doing if disk usage doesn't changed ?
>
> Most likely doing a disk-based merge sort ...
>

so, it uses 'work_mem' as a buffer ?


>             regards, tom lane
>
> ---------------------------(end of broadcast)---------------------------
> TIP 9: the planner will ignore your desire to choose an index scan if your
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    Regards,        Oleg
_____________________________________________________________
Oleg Bartunov, sci.researcher, hostmaster of AstroNet,
Sternberg Astronomical Institute, Moscow University (Russia)
Internet: oleg@sai.msu.su, http://www.sai.msu.su/~megera/
phone: +007(095)939-16-83, +007(095)939-23-83


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