Re: Number of Connections
Tom Lane <tgl@sss.pgh.pa.us>
From: Tom Lane <tgl@sss.pgh.pa.us>
To: Neil Conway <nconway@klamath.dyndns.org>
Cc: pgsql-general <pgsql-general@postgresql.org>
Date: 2001-02-16T21:23:57Z
Lists: pgsql-general
Neil Conway <nconway@klamath.dyndns.org> writes: > On Fri, Feb 16, 2001 at 02:09:42PM -0500, Bryan White wrote: >> ps ax | grep postgres | wc -l >> Note the value is often one to high because is picks up the grep process. > Why not just remove 'grep' - i.e > ps ax | grep postgres | grep -v grep | wc -l Actually this is a standard problem with a standard solution: use a not-so-literal grep pattern, eg ps ax | grep '[p]ostgres' | wc -l This pattern matches 'postgres' but not '[p]ostgres'. Problem solved. regards, tom lane