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 1trobM-009oCQ-4H for pgsql-hackers@arkaria.postgresql.org; Tue, 11 Mar 2025 01:40:12 +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 1trobK-004PG2-OU for pgsql-hackers@arkaria.postgresql.org; Tue, 11 Mar 2025 01:40:10 +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 4.94.2) (envelope-from ) id 1trobK-004PFi-Ei for pgsql-hackers@lists.postgresql.org; Tue, 11 Mar 2025 01:40:10 +0000 Received: from mail-wm1-x336.google.com ([2a00:1450:4864:20::336]) by makus.postgresql.org with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256 (Exim 4.96) (envelope-from ) id 1trobI-0028Hv-26 for pgsql-hackers@postgresql.org; Tue, 11 Mar 2025 01:40:09 +0000 Received: by mail-wm1-x336.google.com with SMTP id 5b1f17b1804b1-43cfba466b2so16179415e9.3 for ; Mon, 10 Mar 2025 18:40:08 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1741657207; x=1742262007; darn=postgresql.org; h=cc:to:subject:message-id:date:from:in-reply-to:references :mime-version:from:to:cc:subject:date:message-id:reply-to; bh=9pvY8NTKKuH9HqJervGmtkrjQXP/SbznUlGLiD+FAoQ=; b=YKEcaot7KdF1TZvRFibhm9TDFIeiT+qIGgyQto31jg4BSBd4N//iK9zd41cbjbwXMD sN0a4t8+YZQmFbRTlVrBj4vAlY6n9ljA6TM/yucZZ2d8qMOCggDIjOF8PMOwjiW3482e qEIa3QwAoCOdZhYvgXVVR5ixjbq7wD7DcwMzEC1/xck7G7DPoHuEj78x6Bpq3uKXfKHa AcmujsGmSnjvhhW5YVGxqqNzTQsI0r4DulmwmfcIhdKMZmt90dncAL9ilzB1BwffAFGi UhNiGPfXyXi9psfVmBbH4B3aG1KZ29pOGAiiHy6rU9GG/GmENcEtbZ1SAProYXAGT6Yk cV7g== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1741657207; x=1742262007; h=cc:to:subject:message-id:date:from:in-reply-to:references :mime-version:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=9pvY8NTKKuH9HqJervGmtkrjQXP/SbznUlGLiD+FAoQ=; b=PNJBujo2ZWBRPKfUyxaLu8JjAfNBF5FC9Y3WQHFyoyWuI9ywTqaSDjW2jTwKDVSbSD dMCMl4sv03Yl7JYp0icnHRPOEpkmLqcIB6xY0Cf3GOVulksowkvn17Ans1lznszd5WEQ DCdFj8U2shAqgmWaiowk4u+GmFj4DyJSR5mz0OAa0IKgg+jQXCBGgML5f0DlcS/PWaMm VnqBQkHOExG9EbSy3ETnx9qWupmSkvI+O6eNbgZ/yB6B/kmlRl2Z2i1mVx2REldZI4x/ 0qI5w/VVNCvW4+XJRJYFnBuqlDibR9SEuZ4aFYWY0qC0kAvueQHxo1SL24YNvC3xnx2A y4Fw== X-Forwarded-Encrypted: i=1; AJvYcCXSld8vf2i6+PLL+4xlp7966ZuY9Hnrp3lnyoGB4JDU9U6l7l3rMk8EMfNW97gC41w2FoLqVHo6s0M3rJhp@postgresql.org X-Gm-Message-State: AOJu0YyyAPJzdM9vnHcK2TNncuFXpc7RE8qEQlV1aGZ0wkgriS1RIF+X YOBPGW4VvVMud8jHcYZuul0qH+SHHFdxdEgxkiAx+Jy40lNN3DdMHiuGZq0hnxWgZqPq57q5f9P ArlFTAkOxmLPOWsfeZ41f2euQZJA= X-Gm-Gg: ASbGncuTDX0N00a7LeYgeBAw6TjKaUEdGTuu3zY6sObzrwfEhUB6LDC2pF0go629i6e zdNZviDRB6W5HneF993K6uyQOgFus2wsZsc0J3ferQ01eI0VQHENsSdvyCxNkQy2CYbCTizo9AK iqy/RSrp1GaE4jcypY9ZloYsnHYrXw X-Google-Smtp-Source: AGHT+IH8WB2+pb9uIo/oyaAaD2P3Bxb2uIMF2kAERPaAHgsfqSHWfD/nWIJ/f4yZg/D6wxMhGxcfBYTLvbfDppykYDQ= X-Received: by 2002:a5d:588a:0:b0:391:298c:d673 with SMTP id ffacd0b85a97d-39132da2286mr14872767f8f.40.1741657207345; Mon, 10 Mar 2025 18:40:07 -0700 (PDT) MIME-Version: 1.0 References: <202412161705.6u36fgydow3q@alvherre.pgsql> In-Reply-To: From: Michael Harris Date: Tue, 11 Mar 2025 12:39:55 +1100 X-Gm-Features: AQ5f1JrTP7xoipGwr8bG276b1-3hh0fx2Z3mJSQI_eqROWspSXD_asBJ4bYzkgs Message-ID: Subject: Re: FileFallocate misbehaving on XFS To: Jakub Wartak Cc: Jean-Christophe Arnu , Andres Freund , Robert Haas , Alvaro Herrera , Tomas Vondra , PostgreSQL-development Content-Type: text/plain; charset="UTF-8" List-Id: List-Help: List-Subscribe: List-Post: List-Owner: List-Archive: Archived-At: Precedence: bulk On Tue, 4 Mar 2025 at 23:05, Jakub Wartak wrote: > out of curiosity, did Redhat provide any further (deeper) information > on why too big preallocation (or what heuristics) on XFS can cause > such issues? Hi Jakub So far I don't have any feedback from RH. Unfortunately there is a long corporate chain of people between me and whomever in RH is dealing with the ticket! I will update this list if/when I get an update. Cheers Mike