Re: SIGUSR1 pingpong between master na autovacum launcher causes crash - Mailing list pgsql-hackers

From Tom Lane
Subject Re: SIGUSR1 pingpong between master na autovacum launcher causes crash
Date
Msg-id 12548.1251129114@sss.pgh.pa.us
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In response to Re: SIGUSR1 pingpong between master na autovacum launcher causes crash  (Zdenek Kotala <Zdenek.Kotala@Sun.COM>)
List pgsql-hackers
Zdenek Kotala <Zdenek.Kotala@Sun.COM> writes:
> ... We can see there that AVlauncher really wait 100ms, but it is not enough
> when system is under stress.

OK, thanks for checking that.

> I think that Alvaro's patch is good and it fix a crash problem. I also
> think that AVlauncher could wait little bit more then 100ms. When system
> cannot fork, I don't see any reason why hurry to repeat a fork
> operation. Maybe 1s is good compromise. 

Seems reasonable to me.  Alvaro, do you want to take care of applying
these three fixes?
        regards, tom lane


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