Re: server crash in very big transaction [postgresql 8.0beta1]

From: Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us>
To: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
Cc: ffffce ffffac ffffbd ffffaa <jiangwei_1976(at)yahoo(dot)com(dot)cn>, Alvaro Herrera <alvherre(at)dcc(dot)uchile(dot)cl>, pgsql-bugs(at)postgresql(dot)org
Subject: Re: server crash in very big transaction [postgresql 8.0beta1]
Date: 2004-08-29 02:59:22
Message-ID: 200408290259.i7T2xMa16480@candle.pha.pa.us
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Is this fixed?

---------------------------------------------------------------------------

Tom Lane wrote:
> "ffffceffffac" "ffffbdffffaa" <jiangwei_1976(at)yahoo(dot)com(dot)cn> writes:
> > --- Alvaro Herrera <alvherre(at)dcc(dot)uchile(dot)cl> wrote:
> >> Huh, so what kind of operations did you execute
> >> within the transaction?
>
> > There are 1600 tables in database 'db1', I wrote a
> > pl/pgsql function "update_tables" like
>
> > "
> > FOR table IN SELECT relname FROM pg_class
> > LOOP
> > ...
> > DROP INDEX ON ... ;
> > ALTER TABLE DROP CONSTRAINT ...;
> > ...
> > CREATE INDEX xxx ON TABLE xxx;
> > ...
> > ALTER TABLE xxx ADD PRIMARY KEY...
> > ALTER TABLE xxx ADD ...
> > ...
> > END LOOP
>
> Okay, so it was the number-of-deleted-files issue and not the
> number-of-subtransactions issue. Still says we have to allow
> commit records to be bigger than 64K ...
>
> regards, tom lane
>
> ---------------------------(end of broadcast)---------------------------
> TIP 8: explain analyze is your friend
>

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