Re: Unable to connect to server

HI Andreas,

thanks for your replay, i have checked connection number for the last 3 mouths and maximum number of connection was 300, so i can reduce this is it's cousin the issue.
during this error server was 99% idle, the only thing is that there was a pg_dump running on one of the DB, can this cause this error, also i have restarted pg server 2 days before because of server cert update.

Thanks.

----- Original Message -----

From: "Andreas Kretschmer" <akretschmer(at)spamfence(dot)net>
To: pgsql-performance(at)postgresql(dot)org
Sent: Wednesday, January 4, 2017 11:12:23 AM
Subject: Re: [PERFORM] Unable to connect to server

Vucomir Ianculov <vukomir(at)os-ux(dot)com> wrote:

> Hi,
>
> today i head a issue with pgsql 9.3, a lot of clients complained that they are
> unable to connect to the server.
> when i have checked the logs i sow a lot of
> FATAL: canceling authentication due to timeout

you can increase authentication_timeout, default is 1 minute. How many
clients do you have, do you really needs 1000 connections? If yes,
please consider a connection pooler like pgbouncer.

Regards, Andreas Kretschmer
--
Andreas Kretschmer
http://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services

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