Out of date advice about SIGTERM'ing backends

From: Josh Kupershmidt <schmiddy(at)gmail(dot)com>
To: pgsql-docs <pgsql-docs(at)postgresql(dot)org>
Subject: Out of date advice about SIGTERM'ing backends
Date: 2012-06-30 03:10:40
Message-ID: CAK3UJRHHVHSLewwwXzKcvhKoXagxR07j=2U4P9hGqPmA=oJ1Kg@mail.gmail.com
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Hi all,

In the "Notes" section[0] of the postgres command's page, this advice is given:

| The postgres server uses SIGTERM to tell subordinate server
| processes to quit normally and SIGQUIT to terminate without
| the normal cleanup. These signals should not be used by users.

I think now that we've added pg_terminate_backend() and made it
callable by non-superusers, we should relax the caveat against using
SIGTERM against backends. The warning to stay away from using SIGQUIT
seems fine as-is. Patch attached.

Josh

[0] http://www.postgresql.org/docs/9.2/static/app-postgres.html#AEN87192

Attachment Content-Type Size
backends_sigterm.diff application/octet-stream 1.8 KB

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