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 1vIuMS-002IL2-1v for pgsql-hackers@arkaria.postgresql.org; Tue, 11 Nov 2025 19:49:03 +0000 Received: from localhost ([127.0.0.1] helo=malur.postgresql.org) by malur.postgresql.org with esmtp (Exim 4.96) (envelope-from ) id 1vIuMQ-007O3S-13 for pgsql-hackers@arkaria.postgresql.org; Tue, 11 Nov 2025 19:49:02 +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 1vIuMQ-007O3K-06 for pgsql-hackers@lists.postgresql.org; Tue, 11 Nov 2025 19:49:02 +0000 Received: from mail-il1-x12f.google.com ([2607:f8b0:4864:20::12f]) by makus.postgresql.org with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256 (Exim 4.96) (envelope-from ) id 1vIuMJ-006b6H-32 for pgsql-hackers@postgresql.org; Tue, 11 Nov 2025 19:49:01 +0000 Received: by mail-il1-x12f.google.com with SMTP id e9e14a558f8ab-433217b58d9so222805ab.1 for ; Tue, 11 Nov 2025 11:48:55 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1762890535; x=1763495335; darn=postgresql.org; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:from:to:cc:subject:date:message-id:reply-to; bh=DtyMfuFwVoU3dWcb9dLix7yASY6+dRb5G4wxE8ULklI=; b=kPhEVi4lnMqzxEpwredh95MzK/LM1TmiOHGdAlmkYhYH4yQx/L4nF8b1KwYA1QEQHv htdhhOkzTq/5i9vDaGxZkQ0AE8kZBi/c2NhIWJcSRh4FO+9vQbde25qcCAgE8QbldFbh QtNd08rLTP7xa9FPSc3NPgYuAIs3AoFqhb/o39R8mLrrtPQX0h6HpCZNb+mL9GuMoAn0 Oae9xZOlqOGEegT91+wms1mNntIMHaDlPwLWlwCJF5t0xbrWAkhtcRQoK9MsJAHpemeM 2AQ32HwbPqcEwG/Q2n/AXDkjgn030YIOdZ5/JxZ1BEYy23JrwawN+1TjP8aIeC8H69mV k0vA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1762890535; x=1763495335; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:x-gm-gg:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=DtyMfuFwVoU3dWcb9dLix7yASY6+dRb5G4wxE8ULklI=; b=ch1eTHOfPzqj79WmDVMDzhTfHOthn2n3ZZfPGaJyWHDHGc4YxjgdXc9NdvIQFvdFEU DgjJzGmG/U1IRfZFagM6bMDPOUKQ9am3irq+VQmqSHeuVydFnASrgkYyzNZkqFxkWkQw xyJuJdY7gCxXjGk3wTEyHi15LoEE2oMwdknTDdPXw+/1YLX6OQWOz49DZxtIYRijNFuG HI30Rpp7JKxreZ8H2l7dQgDG54y6mo52BZFwfv9ql2ZUorQP5qB3gPyPwIh7qLb1jYIs 5Jasjm9zg3uACiakcamnGzPzMPies4ESq9wt9Z/GhDVyiAFYtRMgOZ2+nDZgSd3VYxQh 469w== X-Forwarded-Encrypted: i=1; AJvYcCWIIXrRytEfEsDYk+lSVG1Fte1agiavXNPLdJe/pczId7Lka7LEPT96SU/87S+CbWt9Bk56f5pKMoQ5BU8U@postgresql.org X-Gm-Message-State: AOJu0YxOrvODUrhggCpD+KGY3PyK7VqvY0OhG/Ks4BM3e9bocOAMeWY0 LewY6/HrTkb7QUgU/s1et84QvWe1naBfJsYMaMSHXsaW7ERf/bxQZe6E X-Gm-Gg: ASbGncsqbCXpEUYeS0CvksCbrEsQ/2CY/fC/MmfkKHQV3CHTOcFDkuOVb1x4onDtSux mWTz+/+Qs0iMiHu0Gro4tigFNqYLDtvcmOEjRhV9GYZgO4ybznPBKFIpo8DNjLxcQrZgZJ4N+oc vvWp5a3zOxVfHMhb91hMsN595GPZwFmasQblHEzo7zYCK4ee7q10oOfuqtNe2oJI3D9hJysxr+T EjMWdRMlK8YNL2qFUgFIKhQd6s3o3F+/IFqyyva/NowPkKzcfy5QwVJ3E7Wlw4jtEEB6duzorE4 ZZOpn/nCMSad4DdSpqpqYuw5st+Qtn8ypeH1TUGzKtEYPorcONuQwkRRgNsJe+BmWAuTVuBOk+7 cM5lAdK1IQcaefCF+UodznV30q3rZT4v9coIO/oHlQJIsl2YOmFxBo0YaONuNYeuM93KxKu/sGB c/DCaxEw/Uexs8xbYDyXOTEj04da4e+fiGflT19tf/QMBXK1RdLYznxs51FkZJZ72mmem7FBrxg kJgIchJ+Zff858= X-Google-Smtp-Source: AGHT+IGoC76Fefj0KzGLtGBD2F9ooDRoF+Bhvw2uUdybR88eB/Mqi5tphSzAzz7Od+c5HTYxFLrj8A== X-Received: by 2002:a05:6e02:2689:b0:433:794c:847d with SMTP id e9e14a558f8ab-43473d1b995mr6357725ab.13.1762890535330; Tue, 11 Nov 2025 11:48:55 -0800 (PST) Received: from nathan (162-195-168-172.lightspeed.stlsmo.sbcglobal.net. [162.195.168.172]) by smtp.gmail.com with ESMTPSA id 8926c6da1cb9f-5b7ab11d50bsm205986173.54.2025.11.11.11.48.54 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 11 Nov 2025 11:48:54 -0800 (PST) Date: Tue, 11 Nov 2025 13:48:53 -0600 From: Nathan Bossart To: Robert Treat Cc: David Rowley , Sami Imseih , Robert Haas , Jeremy Schneider , pgsql-hackers@postgresql.org Subject: Re: another autovacuum scheduling thread Message-ID: References: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: List-Id: List-Help: List-Subscribe: List-Post: List-Owner: List-Archive: Archived-At: Precedence: bulk On Tue, Nov 11, 2025 at 02:43:19PM -0500, Robert Treat wrote: > FWIW, when I have built these types of systems in the past, and when I > wanted an aggressive recheck-type mechanism, the most common methods > involved tying it to autovacuum_max_workers. Would you mind elaborating on this point? Do you mean that you'd rebuild the list every a_m_w tables, or something else? -- nathan