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Re: pgsql/src backend/tcop/postgres.c include/misc ...

From: Hiroshi Inoue <Inoue(at)tpf(dot)co(dot)jp>
To: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
Cc: pgsql-committers(at)postgresql(dot)org
Subject: Re: pgsql/src backend/tcop/postgres.c include/misc ...
Date: 2002-01-05 06:07:29
Message-ID: (view raw, whole thread or download thread mbox)
Lists: pgsql-committers
Tom Lane wrote:
> Hiroshi Inoue <Inoue(at)tpf(dot)co(dot)jp> writes:
> > Oh I see. But this seems to change the behabior significantly
> > at least for die signals.
> Well, it considerably reduces the number of places at which either
> signal will be accepted, but that's exactly the point.  The code
> as written was accepting the signals in many more places than we
> envisioned in the original discussion, and I'm unconvinced that
> that's safe.
> AFAIK this should at worst increase the interrupt response time
> from order-of-microseconds to order-of-milliseconds, so I'm not
> especially worried.  Sub-second response time is plenty good enough
> for either kind of interrupt, IMHO.

When are cancel or die interrupts accepted while
executing a long query ?

Hiroshi Inoue

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