On 02/08/12 10:04, Edson Richter wrote:
I have few PostgreSQL servers established with replication. Now, is there any way to receive an e-mail in case of error during synchronization? I mean, is there an script (cron?) I can run (maybe every 5 minutes) that will check if replication is stolen, and send an e-mail in case of failure?
I created a little Perl script that just connects to the master and queries the pg_stat_replication statistics.
It notes if (a) the client has disconnected entirely, or (b) if the client's replay position has still not reached the position that the master was in last time we checked. (So if you run the check every five minutes, you'll get a warning if the client is more than five minutes lagged behind the master)
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