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 4.96) (envelope-from ) id 1wCWP3-00248a-2q for pgsql-admin@arkaria.postgresql.org; Tue, 14 Apr 2026 05:33:38 +0000 Received: from localhost ([127.0.0.1] helo=malur.postgresql.org) by malur.postgresql.org with esmtp (Exim 4.96) (envelope-from ) id 1wCWP2-009w5P-0R for pgsql-admin@arkaria.postgresql.org; Tue, 14 Apr 2026 05:33:37 +0000 Received: from makus.postgresql.org ([2001:4800:3e1:1::229]) by malur.postgresql.org with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.96) (envelope-from ) id 1wCWP1-009w5H-2T for pgsql-admin@lists.postgresql.org; Tue, 14 Apr 2026 05:33:36 +0000 Received: from mail-wm1-x32f.google.com ([2a00:1450:4864:20::32f]) by makus.postgresql.org with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256 (Exim 4.98.2) (envelope-from ) id 1wCWP0-00000000vC0-1Igh for pgsql-admin@lists.postgresql.org; Tue, 14 Apr 2026 05:33:35 +0000 Received: by mail-wm1-x32f.google.com with SMTP id 5b1f17b1804b1-488a8ca4aadso60013855e9.3 for ; Mon, 13 Apr 2026 22:33:34 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=cybertec.at; s=google; t=1776144812; x=1776749612; darn=lists.postgresql.org; h=mime-version:user-agent:content-transfer-encoding:references :in-reply-to:date:cc:to:from:subject:message-id:from:to:cc:subject :date:message-id:reply-to; bh=LfXZbQoHaaDkZzYQ1e/Vy8Fh5Gah004RZIGQPaZW6Ys=; b=GFZQ+lh5UAtyNoTNTBNf2r9ecoOMa519A16HNnNhSxgqxk8u1huoGy4wkJ3lzLCSTN 5/dYg1+burIDOJycBZwAueJVYCQ35DuO1iMWnLF3XnDMS8lmrHEj03F3aCXc2tjtztAR Ehb8Tn3Kvd2c1qHyX/3hYZx2dpwezVrqFIV+2woqKRRoLqb+x3i1mFwy++XmzMHQXyc1 EPPwhSvpUtzgP25S5DuDTM/x1VQ2pmIGmlASY43J472OYtlIVFZ7osC3ZJ8R0APOOrTO rVkqBhLj1TPWXyvLAlq2cSaOWKn9hpDhxWa3ou8DQ5WYNIGV58XZMKB7JaUSKcASwMco ADVQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1776144812; x=1776749612; h=mime-version:user-agent:content-transfer-encoding:references :in-reply-to:date:cc:to:from:subject:message-id:x-gm-gg :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=LfXZbQoHaaDkZzYQ1e/Vy8Fh5Gah004RZIGQPaZW6Ys=; b=PxxfCIh3jCusZOg6gQg82m8XR1P1ujFwzDhsWlF4pE43JkMcq7Yl4RdmYFuwNPhu8Q AEsFJyWfFIuEppQ4CnZKnUqxsgKaGe7qWO0yja/X4Jy7sdGF9bTckAMKRXMI+Gi9/31X FaMnSpUUAqzMIGZTinuCQ3vaSdwW6Bi9MRzkRzqH14OTrFtbFIyMVFp5Vrr7dyx8qda+ bTeGOcI8ebUyVFXKTXdkOwYaJU13Hx+CbcedC4EADXNlUVQoZeeYvFfxMNbQjMmBYB1p Nx/jzuondIhibNYQ+WORkfpVSs8PPaY68FXPf1EyUweFLvDlWx89jRitaUJkqK3pSKkj qWGw== X-Gm-Message-State: AOJu0YwZ92j3nyngHnxTUgrrBeVh1BBsiYxTbQ56h6Nunzy6kBMZmmm5 3sM//mlxv0+RORO9hvQBIo9fe850OfBaEKYyzBe4j8O7761F4iqNP9/By+i++g8ham+Reybt3G9 0qOOPLQc= X-Gm-Gg: AeBDieuHLvdcSLrX3NpIJcKOkJ1ckO15papDGz+Gntmbkxol/takpnj2va6gtxPDu28 lqCtR8WV0B2UzN08TqEvzswh4eOqd/54k8ZBSEuuPlQJG37uCiXH3u9aBCeSdEyGA7MGs2itYQA ApsIp+6mOU3xHtkQR11yXJ126Y6mAQTJsQJ+iilJr+QTlctCJy6/8hlZOKHoP/V8Kn1YZpKzM5g Nge8jZsmkthRuTv+jwxE9Xf0V7OStJlqQGTNVnfSHbtB4fjBDwMEivvObJLTTsl2PwpMWG3LkKU Zvvh/IBeNjxGlNRrTyHfa/sZ17iLDs9TdTf6veNF27B78pQoh41B/JRkKF8XAqOkWdivbGlRvkn w1a/YfePHdpgSYMAf3sV4TyilePHJapM1rHrKWTJWn/8gOGF4c403QI430c79SPwMePdycWiiQy 9fKb3wSAngv5JU/IkTZFN5fU2azKWRZXeWMg4ZYD6JnC9JIV7dXusvurNjnZUJ2QADaHEKA5kAv 6c= X-Received: by 2002:a05:600c:5298:b0:488:c014:34da with SMTP id 5b1f17b1804b1-488d688687cmr227411855e9.26.1776144811702; Mon, 13 Apr 2026 22:33:31 -0700 (PDT) Received: from laurenz.albe-K4N0CV00F97414D ([2001:871:260:3926:dd1b:c8ef:4d54:1708]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-488d5df2062sm116317515e9.12.2026.04.13.22.33.31 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 13 Apr 2026 22:33:31 -0700 (PDT) Message-ID: <1ce81f428a5e42bc263f7fece688b084a46f28af.camel@cybertec.at> Subject: Re: Slowness From: Laurenz Albe To: Raj Cc: Pgsql-admin Date: Tue, 14 Apr 2026 07:33:30 +0200 In-Reply-To: References: <2fd0442020d5b23609873f999b7d374875875689.camel@cybertec.at> Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable User-Agent: Evolution 3.58.3 (3.58.3-1.fc43) MIME-Version: 1.0 List-Id: List-Help: List-Subscribe: List-Post: List-Owner: List-Archive: Archived-At: Precedence: bulk On Mon, 2026-04-13 at 23:13 +0530, Raj wrote: > If I start with normal health check top, free -h, patronictl list, and al= l status > of components such as etcd, haproxy etcd pgnouncer , then stat user table= s, > pgstatactivity, pgstatstatements and error log. Apart from this, what dba= should do? I'm not sure what a "normal health check" is. I thought your problem was that the some statements are too slow. That is not directly connected to the health of the database. To deal with slow statements, you first have to find them. Tools are log_min_duration_statement and pg_stat_statements. Then you have to make the statements faster. The tool here is EXPLAIN (ANALYZE, BUFFERS). But you need some experience to be able to read execution plans, figure out where the problem is and fix that problem. Yours, Laurenz Albe