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 1vQhiY-00FCU5-2V for pgsql-hackers@arkaria.postgresql.org; Wed, 03 Dec 2025 07:56:07 +0000 Received: from localhost ([127.0.0.1] helo=malur.postgresql.org) by malur.postgresql.org with esmtp (Exim 4.96) (envelope-from ) id 1vQhiX-00C2Qp-2s for pgsql-hackers@arkaria.postgresql.org; Wed, 03 Dec 2025 07:56:06 +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 1vQhiX-00C2Qh-1x for pgsql-hackers@lists.postgresql.org; Wed, 03 Dec 2025 07:56:05 +0000 Received: from mail-ej1-x633.google.com ([2a00:1450:4864:20::633]) by makus.postgresql.org with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256 (Exim 4.96) (envelope-from ) id 1vQhiV-002tGF-1W for pgsql-hackers@lists.postgresql.org; Wed, 03 Dec 2025 07:56:05 +0000 Received: by mail-ej1-x633.google.com with SMTP id a640c23a62f3a-b728a43e410so1076310566b.1 for ; Tue, 02 Dec 2025 23:56:04 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=cybertec.at; s=google; t=1764748563; x=1765353363; darn=lists.postgresql.org; h=message-id:date:content-transfer-encoding:mime-version:comments :references:in-reply-to:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=ZcAkvMCC67KCyB+6tx6ax8Y7miTQ6s5wpEqCVuqqIUo=; b=I7txLf1cfpRiTGsczdPHnEwHFi4D4cjQ8OoMjv4vQrt0ZFJPCNcPxgufG43DBMAnOu u61AyrrwpLql+LblDHN2bzKZ2qma0wblJogeUVT3V1ZwF4ragQhj/7ohbvY9KyPg6rMP CU8fKvqFZtvdBUFD/iV42o9vZk8JVGk8Am1nTdTQA72oNvLsZFWLuWalhmp4djLmRXtJ dc3f0ampFCJxuGEHlMUcxXOuC79Lw761FyrSuU1dHOhkqGv4/Bte+py3v23d1ffTj3+a jsQYDcnKBwD6VSxsGhjM7DQrj4GN7NWH4IhRsknOwXvtO8JJAKpaWI3qdlkn7hbyzGU/ iosA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1764748563; x=1765353363; h=message-id:date:content-transfer-encoding:mime-version:comments :references:in-reply-to:subject:cc:to:from:x-gm-gg :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=ZcAkvMCC67KCyB+6tx6ax8Y7miTQ6s5wpEqCVuqqIUo=; b=kUOt2EKLnFxpjckU4FDiGoV4MH+551A0crdGpkxnKLoZqV237Ze9zTmjW2fLynVB5I NSL3gWVDSRoiX8unhVkzIV+BCYsGZYxALCi1OwIglnTW7yf88jVG5LMKkgNSXLm/DAc5 JRikrJebEelLg3tAsRICwk4EIIFn7fgUR4NweY2Zv8BCQPH44V4dVItF4+CN6ug5NiVK lAyWhSHt8plpfm2vtSe/q6Y1R75gdYL/gkiIpGsw5HuPkdsGAal+cio86M1QIZTSUbfs ca66MkMDCOEIh7vjcAFKA4WnS4Jl+YwYafW7VIZdNeFu15sLxgYHIVC+HfER7T/cDUce bxqw== X-Forwarded-Encrypted: i=1; AJvYcCWwzS0jSiyeP3zjDz/HOZObTzdnvdWpXhW4PG3RFRg0bIaTkMQeA8CODDtDjDppMlwngW63M51apmWufs29@lists.postgresql.org X-Gm-Message-State: AOJu0Yy12JGowbyQTf5xj3IDah3V2QJLowvKWlR3BM6bKpfKihV5NzdF JZ1jktbWgqd8Tnxd4uVrzx/o0vTKwUv4na8BeOm0hNUpce2D3v0GDKcgEzNN9PlHS3s= X-Gm-Gg: ASbGncsaMX4yrxZwIWu+ezStguD+YGaDgpUzOBjvt5TcQqlVDvBxPODxs9Khh7tlwfZ DTgacIJu1DV2GxaC1KAhuonm0HOhbqTvyr0TcHa6hLD5K3gZtdIQNBXhok4YDOOFUPsstQMlind W3KVzULSycN1b2sunZGOgRMHUqvCaR1/wYn09aU5XC9vvFC5mQGH8H6GctV8yM1T2hDgga+3Qgs qlC9gewpdxJ3QrylJTZYDopfvIRei7cD5YgLYxsHTcCuW3OluoaJ+IoAtQ2BvcKzoVHQsETmRvV jveThu727jZzKy1tf8NNpAzxBDlMkqCyduwMHCcEGfdy7Bse2mTTQv1jlEXsPFPMsd1M4lzaGnS L27Zk2rTeDJTJffro6GBggvls5hd/De4OZDvqyJxexYoS0aErJUlpwdAKfnc98YvVQsJWtmq6of LHh8AqPqoeWlEQexRJXEPhiTRcaHrxFGjmLSI= X-Google-Smtp-Source: AGHT+IGEvElaUmuf1V+0EmPGdjbrtl+L12m8ZPc17g5aSVqDKG0UaaYRd5/jU5IfLgqFaaEAk5/LFA== X-Received: by 2002:a17:907:70a:b0:b77:2269:8df0 with SMTP id a640c23a62f3a-b79dc73d056mr145406566b.28.1764748562773; Tue, 02 Dec 2025 23:56:02 -0800 (PST) Received: from localhost (109-81-168-246.rct.o2.cz. [109.81.168.246]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-b76f59eb3f6sm1688772266b.55.2025.12.02.23.56.02 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 02 Dec 2025 23:56:02 -0800 (PST) From: Antonin Houska To: Mihail Nikalayeu cc: Alvaro Herrera , Pg Hackers , Robert Treat Subject: Re: Adding REPACK [concurrently] In-reply-to: References: <202507262156.sb455angijk6@alvherre.pgsql> <202510301734.pj4uds3mqxx4@alvherre.pgsql> <11472.1762156600@localhost> <21728.1764692097@localhost> Comments: In-reply-to Mihail Nikalayeu message dated "Tue, 02 Dec 2025 17:22:47 +0100." X-Mailer: MH-E 8.6+git; nmh 1.8; GNU Emacs 28.3 MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Date: Wed, 03 Dec 2025 08:56:01 +0100 Message-ID: <16873.1764748561@localhost> List-Id: List-Help: List-Subscribe: List-Post: List-Owner: List-Archive: Archived-At: Precedence: bulk Mihail Nikalayeu wrote: > On Tue, Dec 2, 2025 at 5:14=E2=80=AFPM Antonin Houska wr= ote: > > Not sure, cluster.sql already seems to do the same. > I think in the case of CONCURRENTLY it may behave a little bit > different, but not sure. >=20 > > I miss the point. The current coding is such that this part > I mean call it periodically in both loops: scan loop and insertion loop. ok, that makes sense. I'll add that to the next version. Thanks. --=20 Antonin Houska Web: https://www.cybertec-postgresql.com