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[143.159.129.29]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-37895665632sm16171803f8f.37.2024.09.13.02.09.38 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 13 Sep 2024 02:09:38 -0700 (PDT) Date: Fri, 13 Sep 2024 10:09:38 +0100 From: Sad Clouds Cc: freebsd-net@FreeBSD.org Subject: Re: Performance issues with vnet jails + epair + bridge Message-Id: <20240913100938.3eac55c9fbd976fa72d58bb5@gmail.com> In-Reply-To: <20240912181618.7895d10ad5ff2ebae9883192@gmail.com> References: <20240912181618.7895d10ad5ff2ebae9883192@gmail.com> X-Mailer: Sylpheed 3.8.0beta1 (GTK+ 2.24.33; x86_64-pc-linux-gnu) List-Id: Networking and TCP/IP with FreeBSD List-Archive: https://lists.freebsd.org/archives/freebsd-net List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-net@FreeBSD.org Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-Spamd-Bar: - X-Spamd-Result: default: False [-1.43 / 15.00]; MISSING_TO(2.00)[]; NEURAL_HAM_LONG(-1.00)[-1.000]; NEURAL_HAM_MEDIUM(-1.00)[-1.000]; NEURAL_HAM_SHORT(-0.93)[-0.926]; DMARC_POLICY_ALLOW(-0.50)[gmail.com,none]; MV_CASE(0.50)[]; R_DKIM_ALLOW(-0.20)[gmail.com:s=20230601]; R_SPF_ALLOW(-0.20)[+ip6:2a00:1450:4000::/36:c]; MIME_GOOD(-0.10)[text/plain]; RCVD_TLS_LAST(0.00)[]; TO_MATCH_ENVRCPT_ALL(0.00)[]; RCPT_COUNT_ONE(0.00)[1]; MIME_TRACE(0.00)[0:+]; ARC_NA(0.00)[]; FREEMAIL_ENVFROM(0.00)[gmail.com]; FREEMAIL_FROM(0.00)[gmail.com]; FROM_HAS_DN(0.00)[]; ASN(0.00)[asn:15169, ipnet:2a00:1450::/32, country:US]; DWL_DNSWL_NONE(0.00)[gmail.com:dkim]; TO_DN_NONE(0.00)[]; RCVD_COUNT_TWO(0.00)[2]; FROM_EQ_ENVFROM(0.00)[]; DKIM_TRACE(0.00)[gmail.com:+]; PREVIOUSLY_DELIVERED(0.00)[freebsd-net@freebsd.org]; MID_RHS_MATCH_FROM(0.00)[]; MLMMJ_DEST(0.00)[freebsd-net@freebsd.org]; RCVD_VIA_SMTP_AUTH(0.00)[]; RCVD_IN_DNSWL_NONE(0.00)[2a00:1450:4864:20::42e:from] X-Rspamd-Queue-Id: 4X4pR92bYWz4mDr Tried both, kernel built with "options RSS" and the following in /boot/loader.conf net.isr.maxthreads=-1 net.isr.bindthreads=1 net.isr.dispatch=deferred Not sure if there are race conditions with these implementations, but after a few short tests, the epair_task_0 got stuck 100% on CPU and stayed there in this state indefinitely, until I rebooted. PID USERNAME PRI NICE SIZE RES STATE C TIME WCPU COMMAND 0 root -64 - 0B 672K CPU0 0 6:24 100.00% kernel{epair_task_0} Is RSS considered too experimental, hence not enabled by default?