Received: from malur.postgresql.org ([2a02:16a8:dc51::56]) by arkaria.postgresql.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_CBC_SHA384:256) (Exim 4.89) (envelope-from ) id 1fif1J-0004ZN-Up for pgsql-performance@arkaria.postgresql.org; Thu, 26 Jul 2018 12:05:26 +0000 Received: from localhost ([127.0.0.1] helo=malur.postgresql.org) by malur.postgresql.org with esmtp (Exim 4.89) (envelope-from ) id 1fif1I-00026t-5l for pgsql-performance@arkaria.postgresql.org; Thu, 26 Jul 2018 12:05:24 +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 4.89) (envelope-from ) id 1fif1H-00026Z-Ui for pgsql-performance@lists.postgresql.org; Thu, 26 Jul 2018 12:05:23 +0000 Received: from mout.perfora.net ([74.208.4.197]) by magus.postgresql.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_CBC_SHA1:256) (Exim 4.89) (envelope-from ) id 1fif1D-0000UE-UM for pgsql-performance@lists.postgresql.org; Thu, 26 Jul 2018 12:05:23 +0000 Received: from [192.168.1.101] ([98.169.215.140]) by mrelay.perfora.net (mreueus001 [74.208.5.2]) with ESMTPSA (Nemesis) id 0LvBqe-1g9VUT0k8w-010NrR; Thu, 26 Jul 2018 14:05:11 +0200 Message-ID: <5B59B8F6.4070703@sqlexec.com> Date: Thu, 26 Jul 2018 08:05:10 -0400 From: MichaelDBA User-Agent: Postbox 5.0.25 (Windows/20180328) MIME-Version: 1.0 To: =?UTF-8?B?VGhvbWFzIEfDvHR0bGVy?= CC: pgsql-performance@lists.postgresql.org Subject: Re: Automated bottleneck detection References: <6ffd0115-38b7-8a98-b0c9-93fdd86afe4f@thomas-guettler.de> <661a7b2f-5e63-e961-6b5d-8a14dd55c34a@thomas-guettler.de> <14b51a31-df17-62ab-1b00-778cce29e57d@thomas-guettler.de> In-Reply-To: <14b51a31-df17-62ab-1b00-778cce29e57d@thomas-guettler.de> Content-Type: multipart/alternative; boundary="------------070101090508010100050703" X-Provags-ID: V03:K1:H0XVrSIYbUcgGqtNfcWe094ShbAUOWHui0KJSbtR+KS+bitQ+sq LuV+rL/aV9y99VfCcbSlzY2H7feh255y6FVbwOgV4Ai7MvFZTwIvqXulO/TM4r4GrJhtwE1 teTHKZ0PFp9s4I1s+Jl2wNPiBAEoxbfhKNcSa7RS/IJ2Hh8oJvvfsaOw/54EV3NUGyA5ugC bNPMOP4CvJbua4QgRDyKA== X-UI-Out-Filterresults: notjunk:1;V01:K0:o68uH3EIWUc=:506mK+jKCjHGDhijRTaNg1 +F6zwIuBzoo5jFesqCLo2mtlsXfG4wbKhpKp1SDdj74vwuqTgavrRKvK1PGYTl/9WiHwpp11m LqCHkqFz2gFRvCtYDXG1O25xYKhFHSQfD1wqe4ywSK9ZKHnX7FZ6bafCIYplAaIj0vLJZLhvu O2sqWWnAVWvDpI+UjkA+8ln54/NG+0n4i2O3hJw0w21VZip+IsOT1r8VM96Tgg0/VGc7YgFeB YUFlmXKiSL5NT3jLmxDfOTkQX6h5UjJadKtk50HLPUuBj45gBwMtdoe1k1tTcm2T9Zocya8fv Wr9hUngKaPds9qqur475F1dw9MagDdHuH2OuDnZIZpysQAFUjw+3fxDeEsAk+uS2Hei+KSlHL y5tVba5D24J68bPF9He3rrC8bF7KnkewH7rIkhIELPwd52NDiugqTaHEoQ06HWocHS5waFC0S DxV3w8wwDfr5b50NTmz63Y7fUc6DxJoEz8emTOSVT/vv07oCKNWPgHL2WWhZqyHBrj+/XBaLa khA5db99Nf059XmxVZOgCTX7yq+xg26sCgZ6twOplRUNizuSAGoeNTkYNyKSpratG2lfot6jY HZ2aNrUXVLTAf/V+xxUXnosiIw/MJBnRo5D+wBflHTDYxTuYyDZw9vxEpp7SJsTpw32dsfyxs jguQwYm8THIN6chvrQqwuj6HCuAiOba88x+u6Avzf1LIrkDmUWsaQeAhU1LtXnJAoYBxfZY6k UNU/sepVMth9UlgC List-Id: List-Help: List-Subscribe: List-Post: List-Owner: List-Archive: Precedence: bulk This is a multi-part message in MIME format. --------------070101090508010100050703 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit Wow, freakin cool, can't wait to start fiddling with pg_wait_sampling. Reckon we can get lightweight locks and spinlocks history with this cool new extension instead of awkwardly and repeatedly querying the pg_stat_activity table. Regards, Michael Vitale > Thomas Güttler > Thursday, July 26, 2018 7:27 AM > This sound good. Looks like an automated bootleneck detection > could be possible with pg_wait_sampling. > > Regards, > Thomas > > > --------------070101090508010100050703 Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: 8bit Wow, freakin cool, can't wait to start fiddling with pg_wait_sampling.  Reckon we can get lightweight locks and spinlocks history with this cool new extension instead of awkwardly and repeatedly querying the pg_stat_activity table.

Regards,
Michael Vitale

Thursday, July 26, 2018 7:27 AM
This sound good. Looks like an automated bootleneck detection
could be possible with pg_wait_sampling.

Regards,
  Thomas




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