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Re: FreeBSD and large shared_buffers a no-go? - Mailing list pgsql-general

From Kirk Strauser
Subject Re: FreeBSD and large shared_buffers a no-go?
Date
Msg-id 55AD5617-E759-426C-874A-54563BE5DF6E@strauser.com
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In response to Re: FreeBSD and large shared_buffers a no-go?  (Tom Lane <tgl@sss.pgh.pa.us>)
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On Jan 7, 2009, at 12:30 PM, Tom Lane wrote:

Kirk Strauser <kirk@strauser.com> writes:
First, shmget is asking for a lot less than shmmax - why is it failing?

Check to see if things work as expected when you have shmmax and shmall
set to a shade less than 2GB and fail when they are a shade more.  If
so, it would seem there's a signed-integer-overflow bug somewhere in the
kernel's handling of shmem requests ... which would be a reportable
kernel bug.

BTW, that's at http://www.freebsd.org/cgi/query-pr.cgi?pr=130274 for anyone who wants to follow along.
-- 
Kirk Strauser




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