Horton

Re: Re: Proposed Windows-specific change: Enable crash dumps (like core files)

Tom Lane <tgl@sss.pgh.pa.us>

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From: Tom Lane <tgl@sss.pgh.pa.us>
To: Robert Haas <robertmhaas@gmail.com>
Cc: Craig Ringer <craig@postnewspapers.com.au>, Magnus Hagander <magnus@hagander.net>, Dave Page <dpage@pgadmin.org>, Heikki Linnakangas <heikki.linnakangas@enterprisedb.com>, pgsql-hackers@postgresql.org
Date: 2010-12-19T16:40:47Z
Lists: pgsql-hackers 
Robert Haas <robertmhaas@gmail.com> writes:
> On Sun, Dec 19, 2010 at 11:07 AM, Tom Lane <tgl@sss.pgh.pa.us> wrote:
>> I agree that having the crash dump code know anything specific about the
>> contents of shared memory is a nonstarter --- far too fragile. But
>> perhaps we could have some simple rule based only on what the kernel
>> knows about the shmem block, like "dump shmem if it's no more than 1GB".

> Not sure what knobs we have available, but would there be any value in
> trying to dump the FIRST 1GB?

Probably not.

			regards, tom lane