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
> joining column's datatypes do not match
>
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