Received: from malur.postgresql.org ([217.196.149.56]) by arkaria.postgresql.org with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.94.2) (envelope-from ) id 1scH5A-005Y7P-Oy for pgsql-general@arkaria.postgresql.org; Fri, 09 Aug 2024 04:18:28 +0000 Received: from localhost ([127.0.0.1] helo=malur.postgresql.org) by malur.postgresql.org with esmtp (Exim 4.94.2) (envelope-from ) id 1scH59-000zOA-4B for pgsql-general@arkaria.postgresql.org; Fri, 09 Aug 2024 04:18:27 +0000 Received: from magus.postgresql.org ([2a02:c0:301:0:ffff::29]) by malur.postgresql.org with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.94.2) (envelope-from ) id 1scH58-000zO1-P9 for pgsql-general@lists.postgresql.org; Fri, 09 Aug 2024 04:18:26 +0000 Received: from smtp74.iad3b.emailsrvr.com ([146.20.161.74]) by magus.postgresql.org with esmtps (TLS1.2) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.94.2) (envelope-from ) id 1scH56-003uD7-CO for pgsql-general@postgresql.org; Fri, 09 Aug 2024 04:18:26 +0000 X-Auth-ID: xof@thebuild.com Received: by smtp18.relay.iad3b.emailsrvr.com (Authenticated sender: xof-AT-thebuild.com) with ESMTPSA id 44E56E0188; Fri, 9 Aug 2024 00:18:22 -0400 (EDT) Content-Type: text/plain; charset=us-ascii Mime-Version: 1.0 (Mac OS X Mail 16.0 \(3774.600.62\)) Subject: Re: Vacuum full connection exhaustion From: Christophe Pettus In-Reply-To: Date: Thu, 8 Aug 2024 21:17:51 -0700 Cc: pgsql-general Content-Transfer-Encoding: quoted-printable Message-Id: <71219E8D-AD7F-4520-BD6F-975DA55D9DF4@thebuild.com> References: <66D17234-043D-457E-8607-5126B4FBC3DD@thebuild.com> To: Ron Johnson X-Mailer: Apple Mail (2.3774.600.62) X-Classification-ID: dad51d0b-2d89-4569-b2db-b8815fde6918-1-1 List-Id: List-Help: List-Subscribe: List-Post: List-Owner: List-Archive: Archived-At: Precedence: bulk > On Aug 8, 2024, at 21:15, Ron Johnson wrote: >=20 > "I see a lock, so let's cause another one!" That's crazy. It's more "Oh, look, I need a connection to service this web request, = but my pool is empty, so I'll just fire up a new connection to the = server," lather, rinse, repeat. Pretty common these days, sadly.=