Received: from malur.postgresql.org ([217.196.149.56]) by arkaria.postgresql.org with esmtp (Exim 4.84_2) (envelope-from ) id 1bINHc-0001KB-EF for pgsql-performance@arkaria.postgresql.org; Wed, 29 Jun 2016 21:44:32 +0000 Received: from localhost ([127.0.0.1] helo=postgresql.org) by malur.postgresql.org with smtp (Exim 4.84_2) (envelope-from ) id 1bINHb-00045z-6j for pgsql-performance@arkaria.postgresql.org; Wed, 29 Jun 2016 21:44:31 +0000 Received: from magus.postgresql.org ([2a02:c0:301:0:ffff::29]) by malur.postgresql.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_CBC_SHA384:256) (Exim 4.84_2) (envelope-from ) id 1bINHa-000455-0P for pgsql-performance@postgresql.org; Wed, 29 Jun 2016 21:44:30 +0000 Received: from sss.pgh.pa.us ([66.207.139.130]) by magus.postgresql.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_CBC_SHA384:256) (Exim 4.84_2) (envelope-from ) id 1bINHX-0004RS-Fy for pgsql-performance@postgresql.org; Wed, 29 Jun 2016 21:44:29 +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 u5TLiOid009891; Wed, 29 Jun 2016 17:44:24 -0400 From: Tom Lane To: Jeff Janes cc: devel.brain99@xoxy.net, "pgsql-performance@postgresql.org" Subject: Re: Random slow queries In-reply-to: References: Comments: In-reply-to Jeff Janes message dated "Wed, 29 Jun 2016 14:30:35 -0700" Date: Wed, 29 Jun 2016 17:44:24 -0400 Message-ID: <9890.1467236664@sss.pgh.pa.us> X-Pg-Spam-Score: -3.2 (---) List-Archive: List-Help: List-ID: List-Owner: List-Post: List-Subscribe: List-Unsubscribe: X-Mailing-List: pgsql-performance Precedence: bulk Sender: pgsql-performance-owner@postgresql.org Jeff Janes writes: > On Tue, Jun 28, 2016 at 6:24 PM, wrote: >> PostgreSQL 9.3.4, compiled by Visual C++ build 1600, 64-bit > The current minor version of that branch is 9.3.13, so you are 9 bug > fix releases behind. Definitely a fair complaint. > I don't know if this matters, because I see that my first guess of > your problem was fixed in commit 4162a55c77cbb54acb4ac442e, which was > already included in 9.3.4. That commit could have helped if the problem were simply slow planning. But I do not see how it explains a *consistent* 122-second delay. That sounds very much like a timeout expiring someplace, and I have no idea where. regards, tom lane -- Sent via pgsql-performance mailing list (pgsql-performance@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-performance