Re: Why would this crash my server

From: glenn <vmstech(at)tpg(dot)com(dot)au>
To: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
Cc: "pgsql-novice(at)postgresql(dot)org" <pgsql-novice(at)postgresql(dot)org>
Subject: Re: Why would this crash my server
Date: 2003-02-24 03:16:57
Message-ID: 1046056616.3815.29.camel@thor.valhalla
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Thanks again Tom - seems upgrading to 7.3 is the answer to most of my
probs - but I'm not sure if I want to open that can of worms - quick
clarification - do you think the problem occured at the moment of "fetch
into " or when it tried to return the results?

glenn

> Try 7.3 --- plpgsql functions don't support returning sets in
> earlier releases. (You can't do it quite that way in 7.3,
> either; you need RETURN NEXT. See the documentation.)
>
> > --Heres the result, which comes after 5 min of hdd light thrashing,
> > capslock light doesn't respond and gui completely freezes.
>
> On my machine, 7.2 fails with
> ERROR: Memory exhausted in AllocSetContextCreate(8192)
> after about 20 seconds. There's no obvious loss of responsiveness of
> the rest of the machine meanwhile. I suspect your machine is poorly
> configured --- better compare the max-memory-per-process kernel setting
> with the actual amount of physical RAM and swap space. You've evidently
> got it set up in a way that allows a runaway process to drive it into
> swap hell.
>
> regards, tom lane
>

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