> Subject: Re: 8.3rc1 Out of memory when performing update
>
> >
> > > A simple update query, over roughly 17 million rows, populating a
> > > newly added column in a table, resulted in an out of memory error
> > > when the process memory usage reached 2GB. Could this be due to a
> > > poor choice of some configuration parameter, or is there a limit
on
> > > how many rows I can update in a single statement?
> > >
> >
> > I believe that it is plataform problem. Because on *nix this
limit
> > don't occur. But I don't specialist Windows.
>
> On most Windows Servers(except for database edition and a few other
> variants), 2Gb is the most you can address to a single
> process without booting the machine with a special parameter called
\3G
> which will allow for allocating up to 3Gb per process. That is the
> limit unless you get special versions of windows server 2003 as far as
I
> know. If you do a google search on \3G with windows you will find
what
> I am refering too.
Windows 32 bit is limited to 2 or 3 GB as you state but 64 bit Windows
isn't. 32 bit Linux has similar limits too.
Jon
---------------------------(end of broadcast)---------------------------
TIP 7: You can help support the PostgreSQL project by donating at
http://www.postgresql.org/about/donate
