How to detect if Postgres needs a restart when configuration changes

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От Strahinja Kustudić
Тема How to detect if Postgres needs a restart when configuration changes
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Msg-id CADKbJJVwK9Gx=UEAZQthz-_6kOOcd36_qnyX0+R9StD4bmcH6w@mail.gmail.com
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Ответы Re: How to detect if Postgres needs a restart when configuration changes  (Payal Singh <payal@omniti.com>)
Re: How to detect if Postgres needs a restart when configuration changes  (Ian Barwick <ian@2ndquadrant.com>)
Re: How to detect if Postgres needs a restart when configuration changes  (Peter Eisentraut <peter_e@gmx.net>)
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I am automating Postgres deployment on Linux and I need to check if Postgres needs to be restarted when a configuration parameter that requires a restart changes, e.g. when you change wal_level. Is there a way to detect a parameter which requires a restart was changed?

Reading the log file after sending SIGHUP is not possible to automate. I know I can query pg_settings and then compare relevant parameters from the conf file, but that means I will need to check all parameters which I set and which require a restart. I only need to know if postgres requires a restart.

Strahinja Kustudić | Lead System Engineer | Nordeus

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