How were you running 7.4? Under cygwin or on a different OS?
On Mon, Oct 03, 2005 at 12:21:09PM -0400, Jean-Pierre Pelletier wrote:
> Hi,
>
> pg_stat_activity sometimes list no connections or a number of connections
> much smaller than the number of postgres.exe processes.
>
> We also have these messages in our PostgreSQL log approximately
> 20 times a day.
>
> FATAL: could not read from statistics collector pipe: No error
> FATAL: could not write to statistics collector pipe: No connection could be
> made because the target machine actively refused it.
>
> or
>
> FATAL: could not read from statistics collector pipe: No error
> LOG: statistics collector process (PID 1628) was terminated by signal 1
>
> It looks like the pg_stat_activity problem and the messages become
> more frequent as the load/number of connection increases.
>
> We were having the same pg_stat_activity problem and the same messages
> with PostgreSQL 8.0.1 but didn't have the messages with PostgreSQL 7.4.1.
> we don't know if pg_stat_activity was ok with 7.4.1 because we weren't using
> it back then.
>
> We are using Windows 2000 Server, Service Pack 4.
>
> Thanks
> Jean-Pierre Pelletier
> e-djuster
>
>
> ---------------------------(end of broadcast)---------------------------
> TIP 9: In versions below 8.0, the planner will ignore your desire to
> choose an index scan if your joining column's datatypes do not
> match
>
--
Jim C. Nasby, Sr. Engineering Consultant jnasby@pervasive.com
Pervasive Software http://pervasive.com work: 512-231-6117
vcard: http://jim.nasby.net/pervasive.vcf cell: 512-569-9461