Re: Buildfarm failure from overly noisy warning message

Hi,

On 2015-07-26 10:56:05 -0400, Tom Lane wrote:
> CREATE INDEX tenk2_unique1 ON tenk2 USING btree(unique1 int4_ops);
> + WARNING: could not send signal to process 30123: No such process

> What's evidently happened here is that our session tried to boot an
> autovacuum process off a table lock, only that process was gone by the
> time we issued the kill() call. No problem really ... but aside from
> causing buildfarm noise, I could see somebody getting really panicky
> if this message appeared on a production server.

Oops.

> I'm inclined to reduce the WARNING to LOG

Hm, that doesn't seem like a very nice solution, given that LOG is even
more likely to end up in the server log.

> and/or skip it altogether if the error is ESRCH.

Combined with a comment why we're ignoring that case that'd work for me.

- Andres