[GENERAL] [postgis-users] Union as an aggregate

[strk]

tgl wrote:
> strk <strk at keybit.net> writes:
> > If I run that again, *exactly the same query*:
> >   PID USER     PRI  NI  SIZE  RSS SHARE STAT %CPU %MEM   TIME COMMAND
> >   566 pgsql     14   0  126M 126M  3396 S     0.0 16.8   7:13 postmaster
> 
> > It looks like someone is leaking memory, either postgres, postgis or geos.
> 
> On some platforms top's report of memory used can be misleading, because
> it begins to count each page of shared memory against a process when the
> process first touches that page.  So if you have a big scan that touches
> more and more of the shared buffers, the reported process size goes up
> --- but there's really no memory leak.  Try a plain "select count(*)"
> against your table and see if you see the same change in reported size.

No changes in size with count(*).
Testing platform is FreeBSD.

> Alternatively, if the reported size continues to increase well beyond
> your shared memory allocation, then I'd believe that as evidence of a
> leak.
> 
> 			regards, tom lane

thanks for you answer.

--strk;