Received: from malur.postgresql.org ([217.196.149.56]) by arkaria.postgresql.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_CBC_SHA1:256) (Exim 4.89) (envelope-from ) id 1iqjCL-0001Lr-Ee for pgsql-hackers@arkaria.postgresql.org; Sun, 12 Jan 2020 19:46:57 +0000 Received: from localhost ([127.0.0.1] helo=malur.postgresql.org) by malur.postgresql.org with esmtp (Exim 4.89) (envelope-from ) id 1iqjCJ-0002yJ-5w for pgsql-hackers@arkaria.postgresql.org; Sun, 12 Jan 2020 19:46:55 +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_SHA1:256) (Exim 4.89) (envelope-from ) id 1iqjCI-0002yC-TJ for pgsql-hackers@lists.postgresql.org; Sun, 12 Jan 2020 19:46:54 +0000 Received: from sss.pgh.pa.us ([66.207.139.130]) by magus.postgresql.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1iqjCG-0003LJ-K4 for pgsql-hackers@lists.postgresql.org; Sun, 12 Jan 2020 19:46:54 +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 00CJkPsW026534; Sun, 12 Jan 2020 14:46:25 -0500 From: Tom Lane To: Peter cc: pgsql-hackers@lists.postgresql.org, Stephen Frost Subject: Re: 12.1 not useable: clientlib fails after a dozen queries (GSSAPI ?) In-reply-to: <20200112183633.GA93629@gate.oper.dinoex.org> References: <20200109181822.GA74698@gate.oper.dinoex.org> <7042.1578595681@sss.pgh.pa.us> <20200109205319.GA85142@gate.oper.dinoex.org> <15232.1578605504@sss.pgh.pa.us> <20200110022342.GA92515@gate.oper.dinoex.org> <12348.1578679149@sss.pgh.pa.us> <20200110210337.GA9580@gate.oper.dinoex.org> <26433.1578714710@sss.pgh.pa.us> <20200112183633.GA93629@gate.oper.dinoex.org> Comments: In-reply-to Peter message dated "Sun, 12 Jan 2020 19:36:33 +0100" MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-ID: <26532.1578858385.1@sss.pgh.pa.us> Date: Sun, 12 Jan 2020 14:46:25 -0500 Message-ID: <26533.1578858385@sss.pgh.pa.us> List-Id: List-Help: List-Subscribe: List-Post: List-Owner: List-Archive: Precedence: bulk Peter writes: > With the first patch applied (as from Friday - applied only on the > client side), the application did appear to work well. > But then, when engaging bandwidth-limiting to some modem-speed, it did > not work: psql would receive all (or most of) the data from a SELECT, > but then somehow not recognize the end of it and sit there and wait for > whatever: Yeah, that's just the behavior I'd expect (and was able to reproduce here) because of the additional design problem. > Now with the new patches 0001+0003 applied, on both server & client, > all now running 12.1 release, on a first run I did not perceive > a malfunction, bandwidth limited or not. > I'll leave them applied, but this here will not experience serious > loads; You'll need somebody else to test for that... Cool, let us know if you do see any problems. regards, tom lane