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Re: BUG #6425: Bus error in slot_deform_tuple

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: Bridget Frey <bridget(dot)frey(at)redfin(dot)com>
Cc: Duncan Rance <postgres(at)dunquino(dot)com>, pgsql-bugs(at)postgresql(dot)org, Robert Haas <robertmhaas(at)gmail(dot)com>
Subject: Re: BUG #6425: Bus error in slot_deform_tuple
Date: 2012-02-03 07:47:15
Message-ID: 13251.1328255235@sss.pgh.pa.us (view raw or flat)
Thread:
Lists: pgsql-bugspgsql-hackers
Bridget Frey <bridget(dot)frey(at)redfin(dot)com> writes:
> I just wanted to say thanks to everyone who has been working so hard on
> this issue.  I realize it's not certain that this would fix the issues
> we're seeing, but we'd be willing to try it out and report back.  The only
> caveat is we would need to deploy it to production, so if someone could let
> us know what the risk factor is here (e.g. the potential to make things
> worse), that would help us plan out how and when we would want to try it.

AFAICS the proposed patch is totally safe; it can't make things worse,
and should save some cycles to boot.  Whether it fixes what you're
seeing is a different question of course, but testing would be mighty
helpful for that.

What I would actually ask about as far as production risk goes is
whether you are accustomed to building from patched sources.  If you're
not, the risk of dropping a stitch in the build process could be
significant.

			regards, tom lane

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