From nobody Tue Aug 15 12:24:31 2023 X-Original-To: freebsd-current@mlmmj.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mlmmj.nyi.freebsd.org (Postfix) with ESMTP id 4RQ9SN56p8z4mJyw for ; Tue, 15 Aug 2023 12:24:36 +0000 (UTC) (envelope-from grahamperrin@gmail.com) Received: from mail-ej1-x62e.google.com (mail-ej1-x62e.google.com [IPv6:2a00:1450:4864:20::62e]) (using TLSv1.3 with cipher TLS_AES_128_GCM_SHA256 (128/128 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (2048 bits) client-digest SHA256) (Client CN "smtp.gmail.com", Issuer "GTS CA 1D4" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4RQ9SM25Xkz3VyF for ; Tue, 15 Aug 2023 12:24:35 +0000 (UTC) (envelope-from grahamperrin@gmail.com) Authentication-Results: mx1.freebsd.org; dkim=pass header.d=gmail.com header.s=20221208 header.b=RjswYgkC; spf=pass (mx1.freebsd.org: domain of grahamperrin@gmail.com designates 2a00:1450:4864:20::62e as permitted sender) smtp.mailfrom=grahamperrin@gmail.com; dmarc=pass (policy=none) header.from=gmail.com Received: by mail-ej1-x62e.google.com with SMTP id a640c23a62f3a-99bf91956cdso660250866b.3 for ; Tue, 15 Aug 2023 05:24:35 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20221208; t=1692102273; x=1692707073; h=in-reply-to:subject:from:references:to:content-language:user-agent :mime-version:date:message-id:from:to:cc:subject:date:message-id :reply-to; bh=j9bvQ2om7HO8rcYvaDCU2f+qEROt2M1Z4Py4jxyOBVQ=; b=RjswYgkC2+NUhv4useEmv8NjAp1bDh8wSuKc9pYZc88BbHYGRivRDaHIPsoZxNMiDo IgfvYds61PtoXgE+N5/rFJKHecYnRbCuDeMsOoMSA5d1IdtfI1HpndxfaX1fVhrxANKr 6dBRlO8SHXYKFaA2Id7Qre6qNms8tozt/piyuu3eKxRHQDngKjM/NwgwSbqIrtwNMwYQ CiOr4dLJtOE9hbHKdzmkh42XXIoLJKLzm3zQrCHAK324UwZAFqZQvRl+vGfBRYrow/1t llCDkCR4TMsA4I/Cp9QWLZzZB6bMmbVexU2D3pVn6tVcDd3V4MRGpXwZmYZUS4Zl1kf6 JVGQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1692102273; x=1692707073; h=in-reply-to:subject:from:references:to:content-language:user-agent :mime-version:date:message-id:x-gm-message-state:from:to:cc:subject :date:message-id:reply-to; bh=j9bvQ2om7HO8rcYvaDCU2f+qEROt2M1Z4Py4jxyOBVQ=; b=TTxksLSbkZEb7pmT+L6EGOC80fZ7i7Oc3KxmPPR0UTDCHzvhtUbtjmx/IwBZeLvHCi s7bPJwYR6GiBDola/d+vANcPqtf0kj+d01bs/QifKsCCW1hPjlxP0HQd/dAkdSCHV3kT q78JRdxxaQwj04QWjLHuTLRutShbdc52Q4oWuNMOVzUm7Bjx1RSLXqQA/KajOiKVr2bF JcXQ0eGzmlY2qmBvD8Ld8HI/l01aolQSDTQ1Aw+DryzMT11DWjgi50TJNWWo5yodsySI p/4/zlrXeHyQyxEfXa7cOtwfHzGUfxLly+2dgb5ZpMxMjWY1DdLoKA/TqBWhBS9lexGG nzig== X-Gm-Message-State: AOJu0YwyXnLAH7NLQ0qe424hjXlsuT2duC+VnsEqLwXry07K0mn07LOd ocmjSZ8HNyxdYbLShIyHwvUCt3pGbL0= X-Google-Smtp-Source: AGHT+IHZOE5WzrlTBRyd3fegmDs7rCwOBhwe75euIS3Vx2FZebt+aGhwG1u3Qc/D1PgKNnqNBKISxw== X-Received: by 2002:a17:906:257:b0:991:b292:699 with SMTP id 23-20020a170906025700b00991b2920699mr8911381ejl.5.1692102272987; Tue, 15 Aug 2023 05:24:32 -0700 (PDT) Received: from [192.168.1.10] (80-42-66-93.dynamic.dsl.as9105.com. [80.42.66.93]) by smtp.gmail.com with ESMTPSA id jo19-20020a170906f6d300b0099bcd1fa5b0sm6956539ejb.192.2023.08.15.05.24.32 for (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 15 Aug 2023 05:24:32 -0700 (PDT) Content-Type: multipart/alternative; boundary="------------OQ0wPateqPNVxBgvEwMHFGcl" Message-ID: Date: Tue, 15 Aug 2023 13:24:31 +0100 List-Id: Discussions about the use of FreeBSD-current List-Archive: https://lists.freebsd.org/archives/freebsd-current List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-current@freebsd.org MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; FreeBSD amd64; rv:102.0) Gecko/20100101 Thunderbird/102.14.0 Content-Language: en-US To: freebsd-current@freebsd.org References: <61ca9df1b15c0e5477ff51196d0ec073@Leidinger.net> From: Graham Perrin Subject: Re: Speed improvements in ZFS In-Reply-To: <61ca9df1b15c0e5477ff51196d0ec073@Leidinger.net> X-Spamd-Result: default: False [-3.98 / 15.00]; NEURAL_HAM_MEDIUM(-1.00)[-1.000]; NEURAL_HAM_LONG(-1.00)[-1.000]; NEURAL_HAM_SHORT(-0.98)[-0.977]; DMARC_POLICY_ALLOW(-0.50)[gmail.com,none]; R_SPF_ALLOW(-0.20)[+ip6:2a00:1450:4000::/36:c]; R_DKIM_ALLOW(-0.20)[gmail.com:s=20221208]; MIME_GOOD(-0.10)[multipart/alternative,text/plain]; FROM_HAS_DN(0.00)[]; FREEFALL_USER(0.00)[grahamperrin]; TO_MATCH_ENVRCPT_ALL(0.00)[]; RCVD_VIA_SMTP_AUTH(0.00)[]; RCPT_COUNT_ONE(0.00)[1]; PREVIOUSLY_DELIVERED(0.00)[freebsd-current@freebsd.org]; RCVD_IN_DNSWL_NONE(0.00)[2a00:1450:4864:20::62e:from]; ARC_NA(0.00)[]; DWL_DNSWL_NONE(0.00)[gmail.com:dkim]; MID_RHS_MATCH_FROM(0.00)[]; DKIM_TRACE(0.00)[gmail.com:+]; TO_DN_NONE(0.00)[]; FREEMAIL_FROM(0.00)[gmail.com]; MLMMJ_DEST(0.00)[freebsd-current@freebsd.org]; FROM_EQ_ENVFROM(0.00)[]; MIME_TRACE(0.00)[0:+,1:+,2:~]; RCVD_TLS_LAST(0.00)[]; ASN(0.00)[asn:15169, ipnet:2a00:1450::/32, country:US]; FREEMAIL_ENVFROM(0.00)[gmail.com]; RCVD_COUNT_TWO(0.00)[2] X-Spamd-Bar: --- X-Rspamd-Queue-Id: 4RQ9SM25Xkz3VyF This is a multi-part message in MIME format. --------------OQ0wPateqPNVxBgvEwMHFGcl Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit On 15/08/2023 13:05, Alexander Leidinger wrote: > … periodic runs … Here, I get a sense that these benefit greatly from L2ARC. > … So whatever was done inside ZFS or VFS or nullfs between 2023-06-19 > and 2023-07-20 has given a huge speed improvement. … not within the time frame, the most recent commit was 2023-06-16. the two most recent commits might be of interest. 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On 15/08/2023 13:05, Alexander Leidinger wrote:
… periodic runs …

Here, I get a sense that these benefit greatly from L2ARC.

… So whatever was done inside ZFS or VFS or nullfs between 2023-06-19 and 2023-07-20 has given a huge speed improvement. …

<https://cgit.freebsd.org/src/log/?qt=grep&q=L2ARC> not within the time frame, the most recent commit was 2023-06-16.

<https://github.com/search?q=repo%3Afreebsd%2Ffreebsd-src+ZFS+ARC&type=commits&s=committer-date&o=desc> the two most recent commits might be of interest. Related: <https://github.com/openzfs/zfs/pull/14964>, <https://github.com/openzfs/zfs/commit/009d3288dea524c7ad373b04b65bee8bb6f0bfea>.

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