Received: from malur.postgresql.org ([217.196.149.56]) by arkaria.postgresql.org with esmtp (Exim 4.80) (envelope-from ) id 1VbYna-00021D-RQ for pgsql-hackers@arkaria.postgresql.org; Wed, 30 Oct 2013 16:39:15 +0000 Received: from localhost ([127.0.0.1] helo=postgresql.org) by malur.postgresql.org with smtp (Exim 4.80) (envelope-from ) id 1VbYna-00030O-Az for pgsql-hackers@arkaria.postgresql.org; Wed, 30 Oct 2013 16:39:14 +0000 Received: from magus.postgresql.org ([2a02:c0:301:0:ffff::29]) by malur.postgresql.org with esmtp (Exim 4.80) (envelope-from ) id 1VbYnZ-00030G-1m for pgsql-hackers@postgresql.org; Wed, 30 Oct 2013 16:39:13 +0000 Received: from sss.pgh.pa.us ([66.207.139.130]) by magus.postgresql.org with esmtp (Exim 4.80) (envelope-from ) id 1VbYnS-0006Ap-Bm for pgsql-hackers@postgresql.org; Wed, 30 Oct 2013 16:39:12 +0000 Received: from sss1.sss.pgh.pa.us (localhost [127.0.0.1]) by sss.pgh.pa.us (8.14.4/8.14.4) with ESMTP id r9UGd2fE004876; Wed, 30 Oct 2013 12:39:02 -0400 From: Tom Lane To: Robert Haas cc: Andrew Dunstan , "pgsql-hackers@postgresql.org" Subject: Re: Something fishy happening on frogmouth In-reply-to: References: <6557.1383073940@sss.pgh.pa.us> <27889.1383139602@sss.pgh.pa.us> Comments: In-reply-to Robert Haas message dated "Wed, 30 Oct 2013 12:28:39 -0400" Date: Wed, 30 Oct 2013 12:39:02 -0400 Message-ID: <4875.1383151142@sss.pgh.pa.us> X-Pg-Spam-Score: -2.4 (--) List-Archive: List-Help: List-ID: List-Owner: List-Post: List-Subscribe: List-Unsubscribe: X-Mailing-List: pgsql-hackers Precedence: bulk Sender: pgsql-hackers-owner@postgresql.org Robert Haas writes: > On Wed, Oct 30, 2013 at 9:26 AM, Tom Lane wrote: >> Also, why is the error "not enough space", rather than something about >> a collision? And if this is the explanation, why didn't the previous >> runs probing for allowable shmem size fail? > Good questions. I think that my previous theory was wrong, and that > the patch from Amit which I pushed a while ago should fix the > breakage. Indeed, I see frogmouth just went green, so Amit nailed it. I'm still wondering why we try to create a DSM segment in bootstrap. regards, tom lane -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers