We are having a problem where we are running out of connections due to a
in-house tool that creates abnormal amount of connections due to fluctuating
loads that we cannot control. Ideally, the tool could be re-written to take
into account for those situations, but due to its complexity we don't have the
time to do so. I am trying to come up with a solution to block incoming
connections when they reach a certain hard limit. Is there any way from
PostgreSQL user authentication or other methods to cap connection count by user
or by host? I had considered creating a firewall rule after detecting a certain
amount of established connection from a particular host, but this seems very
inflexible as well. Any ideas or suggestions appreciated.
Sincerely,
Kenji
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