On Wed, 2011-08-24 at 13:05 +0530, Venkat Balaji wrote: > Hello Everyone, > > I am working on an alert script to track the number of connections with the > host IPs to the Postgres cluster. > > 1. I need all the host IPs making a connection to Postgres Cluster (even for > a fraction of second). You should set log_connections to on. > 2. I would also want to track number of IDLE connections, IDLE IN > TRANSACTION connections and length of the connections as well. > IDLE and IDLE in transactions are the kind of informations you get in pg_stat_activity. Length of connections, you can get it with log_disconnections. > I would be making use of pg_stat_activity and also thought of enabling > logging the host ips in the db server log files which seems to be expensive > for me (in terms of IO and logfile size). > Using pg_stat_activity won't get you really small connections. You need log_connections for that, and log_disconnections for the duration of connections. So you'll have to work on a tool that could get some informations with queries on pg_stat_activity, and that could read PostgreSQL log files. -- Guillaume http://blog.guillaume.lelarge.info http://www.dalibo.com -- Sent via pgsql-performance mailing list (pgsql-performance@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-performance