| From: | Andreas Seltenreich <andreas+pg(at)gate450(dot)dyndns(dot)org> |
|---|---|
| To: | "Harpreet Dhaliwal" <harpreet(dot)dhaliwal01(at)gmail(dot)com> |
| Cc: | pgsql-general(at)postgresql(dot)org |
| Subject: | Re: why not kill -9 postmaster |
| Date: | 2006-10-20 10:27:38 |
| Message-ID: | 87ejt346zp.fsf@gate450.dyndns.org |
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| Lists: | pgsql-general |
Harpreet Dhaliwal writes:
> Its always said that don't kill -9 postmaster.
> Whats the reason not to do it. Why is it so strictly prohibited?
,----[ <http://www.postgresql.org/docs/8.1/static/postmaster-shutdown.html#AEN18182> ]
| It is best not to use SIGKILL to shut down the server. Doing so will
| prevent the server from releasing shared memory and semaphores,
| which may then have to be done manually before a new server can be
| started. Furthermore, SIGKILL kills the postmaster process without
| letting it relay the signal to its subprocesses, so it will be
| necessary to kill the individual subprocesses by hand as well.
`----
regards,
andreas
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