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Re: PQping command line tool

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: Bruce Momjian <bruce(at)momjian(dot)us>
Cc: Phil Sorber <phil(at)omniti(dot)com>, PostgreSQL-development Hackers <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: PQping command line tool
Date: 2012-10-03 15:41:19
Message-ID: 5874.1349278879@sss.pgh.pa.us (view raw or flat)
Thread:
Lists: pgsql-hackers
Bruce Momjian <bruce(at)momjian(dot)us> writes:
> I don't see any tool using PQping except pg_ctl.  Perhaps we should
> modify "pg_ctl status" to use PQping.  Right now is only checks the
> postmaster.pid file, and checks to see that the pid is a running
> postmaster.  What it currently doesn't do is to check if the server is
> accepting connections with PQping(), like we do for "pg_ctl -w start".

The thing about pg_ctl is that it requires access to the data directory
(and still would, in the variant you propose).  If we were going to do
something like what Phil suggests then I think it ought to be something
usable remotely.

			regards, tom lane


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