> From: Tom Lane [mailto:tgl@xxxxxxxxxxxxx] > Sent: Thursday, July 13, 2006 11:12 AM > > Michael Fuhr <mike@xxxxxxxx> writes: > > On Thu, Jul 13, 2006 at 08:22:46AM -0500, Medora Schauer wrote: > >> Can it be that the connection delay is because first an IPv6 socket is > >> trying to be established and when that fails an IPv4 socket is created? > > > A sniffer like tcpdump or ethereal might reveal why connecting is > > so slow. > > I'd try strace'ing the client process first --- whatever is slow might > not be exposed as TCP traffic. It does sound though that the problem > is related to userland expecting IPv6 support that the kernel doesn't > actually have. > > regards, tom lane Good idea Tom. Strace showed communications with a machine that didn't make sense. Turns out someone had configured DNS on the "slow" machine but the DNS server wasn't running. When I use the IP address of the PG server rather than the name with psql, the connection is made quickly. Thanks for all the help everyone, Medora Schauer
