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Sat, 16 Mar 2024 12:06:30 -0700 (PDT) X-Forwarded-Encrypted: i=1; AJvYcCU66oTSQmWWzJUXZgNwDx8tfW+JjW1riJga/vqq7EE5dOFnmxDMaGpGdRuUJyyakA/+Pf+hiCP0PFidGbawcn9aQi3UZL9R+6//dGmcAEiS0RANQeA= X-Gm-Message-State: AOJu0YyIO902yHNPliykBEsCnuD1z3dvrESp4qS4qK/EI8R6muwCaJO6 IV4xpiippSLLyQLfWupVWh5e8YyQUXZOXVYnuY9KTw3bVtWFdM90wk0xC9JiA/0Psnm/X7LMmYZ qrfCNlEeRsEpVT1MUSGdtbmcz9SM= X-Google-Smtp-Source: AGHT+IF4rIhiWUNwD5uiqodK4FphIaGEK9pBy4qSh2m8gE9iGnVnIxJ7sF5E72OoYJO3GHJJYOHldfN83x+gxS6OUi0= X-Received: by 2002:a05:6808:17a4:b0:3c3:70e8:3ecb with SMTP id bg36-20020a05680817a400b003c370e83ecbmr8638658oib.38.1710615990041; Sat, 16 Mar 2024 12:06:30 -0700 (PDT) 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 References: <42C327BD-6CE4-43AA-A1AE-3BEC08D623DB@freebsd.org> <486915F0-456B-4B09-A8BC-93BBA79C4CA1@freebsd.org> <20240313080624.6c73908c@ernst.home> <508E3B47-8E1B-469F-97B1-2171A3098888@freebsd.org> <86a5n1i0xg.fsf@ltc.des.dev> <78D1FF09-71A3-4486-B934-D8332F54B237@freebsd.org> <20240316104053.20bef8c2@ernst.home> <20240316115128.33d11f7b@ernst.home> <7367F29A-D52B-4828-B79A-AA2667E81E7D@freebsd.org> In-Reply-To: From: Nuno Teixeira Date: Sat, 16 Mar 2024 19:06:18 +0000 X-Gmail-Original-Message-ID: Message-ID: Subject: Re: Request for Testing: TCP RACK To: tuexen@freebsd.org Cc: garyj@gmx.de, current@freebsd.org, net@freebsd.org Content-Type: text/plain; charset="UTF-8" > > Will update amd64 laptop to main-n268827-75464941dc17 (Mar 16) and test it. > Please do so... @main-n268827-75464941dc17 GENERIC-NODEBUG amd64 Ok, I think I have here some numbers related to disk performance being affected by tcp_rack that somehow is messing with something. NOTES: - test [1] was done after a boot without tcp_rack in loader.conf and [2] tcp_rack was loaded manually with kldload (without rebooting) - After unloading tcp_rack, same results as [2] - Cannot unload tcptpts: device busy [1] without tcp_rack loaded: ==> poudriere testport net/gitup: 11.16s real 5.35s user 6.35s sys ==> bonnie++: Version 1.98 ------Sequential Output------ --Sequential Input- --Random- -Per Chr- --Block-- -Rewrite- -Per Chr- --Block-- --Seeks-- Name:Size etc /sec %CP /sec %CP /sec %CP /sec %CP /sec %CP /sec %CP leg.home 32G 25k 99 105m 99 88.7m 99 77k 99 198m 99 12716 1784 Latency 351ms 1793us 2340us 241ms 638us 2514us Version 1.98 ------Sequential Create------ --------Random Create-------- leg.home -Create-- --Read--- -Delete-- -Create-- --Read--- -Delete-- files /sec %CP /sec %CP /sec %CP /sec %CP /sec %CP /sec %CP 16 14908.273230 97 +++++ +++ 6878.516657 99 15194.808063 97 +++++ +++ 8019.731670 99 Latency 1108us 182us 2228us 1013us 152us 2424us [2] kldload tcp_rack: ==> poudriere testport net/gitup: 1m0.54s real 4.98s user 1m31.38s sys ==> bonnie++: Version 1.98 ------Sequential Output------ --Sequential Input- --Random- -Per Chr- --Block-- -Rewrite- -Per Chr- --Block-- --Seeks-- Name:Size etc /sec %CP /sec %CP /sec %CP /sec %CP /sec %CP /sec %CP leg.home 32G 14k 99 78.0m 99 46.6m 99 25k 99 120m 99 6688 2161 Latency 676ms 18309us 76171us 385ms 924us 2274us Version 1.98 ------Sequential Create------ --------Random Create-------- leg.home -Create-- --Read--- -Delete-- -Create-- --Read--- -Delete-- files /sec %CP /sec %CP /sec %CP /sec %CP /sec %CP /sec %CP 16 8139.513260 96 19437.792294 99 5494.638508 99 8099.275425 96 19723.528878 99 6363.123671 99 Latency 2982us 338us 3072us 1135us 591us 3236us Cheers, -- Nuno Teixeira FreeBSD Committer (ports)