From nobody Mon Aug 30 07:13:14 2021 X-Original-To: freebsd-net@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 AA29117A8C1B for ; Mon, 30 Aug 2021 07:13:26 +0000 (UTC) (envelope-from ozkan.kirik@gmail.com) Received: from mail-vs1-xe32.google.com (mail-vs1-xe32.google.com [IPv6:2607:f8b0:4864:20::e32]) (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 1O1" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4GyhPL14dYz4V2c for ; Mon, 30 Aug 2021 07:13:26 +0000 (UTC) (envelope-from ozkan.kirik@gmail.com) Received: by mail-vs1-xe32.google.com with SMTP id a21so8686881vsp.12 for ; Mon, 30 Aug 2021 00:13:26 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:from:date:message-id:subject:to; bh=NbBKL45DSWaP0NCxMkJYXhQuMpGW1x2lS943DPmRvOQ=; b=N3pulLdmgJg6FHj3QyZlT/eqeseLtF/7AqwblPmdLiyM7brcWBLqvdyO5ygitKIbUf 1UJiCU2HTlRh+l+9vkGSbmHTwV9Q6VGBRFYSvZ+jPCU8zPSUPKtNQzO4y1mcupgmdh2w vKOSotPM3/3FtPDM9/G09uScYcrEHkinBh1bljMAvGJy1ULHrKg4d5g9GOnHBFDoeMtc U+51PBNp3eM9hT2nct2oHiohA9MqxlumQ1TO6DZAw7/OSbOfaRoTWMigQ9N8slBdMPEh U10B99UUnh0cxBqD8l8SEWQAHEEPaqov0wqRYJOF1nWMHPBC6mrFb+28zjbO3BHyurGG T7Iw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:from:date:message-id:subject:to; bh=NbBKL45DSWaP0NCxMkJYXhQuMpGW1x2lS943DPmRvOQ=; b=XpkrBkobW45ZZdKXf6gxAR0wiwigUZFD+FB9dYZIH4b5Qkh0b2I9TUCc15cS9Yh6eJ t1nocB96zlCQmb7xBSvVB5p1MtZjcOkC1TCLrUUDo98AQVu25vFqPxQ4caTk2b+oz/Wf 0aX588a+k8jMxo0sz0Ed2blA6PjK5BaEnGFcRrhci6lXJAKASbNphi85GsXqYyeJiwYZ 42eekK5IXU0nNbWI8iPdg12qDZ6xh9kMCaVf6cTAeyvKv4LkWnJKFRWTIcNkltBR3Krz j6IHlw64bgL0O1Y3xeJcpUQLq5pDckGsHAVfXwI4rFoah7O3+wRWC0rAc7QfvpaJ5xjB PCQQ== X-Gm-Message-State: AOAM531vBZb2UfRyhwPKLN0KveHNUha/LL58nfNirgRrklZQkwlshvUu ou1tUEKTJa5uHoaNWV1oFY7CVRSXBPOpeNXEb92nPq2NqEPG/Q== X-Google-Smtp-Source: ABdhPJztu/3qmhwhv5vm+43jnXF1IdFPSuRhsu4QwZLxtyIYrbkUM/T/qRmobqOrLDtOyQxx5vfcO1wEfh1XDBsnGus= X-Received: by 2002:a05:6102:ac6:: with SMTP id m6mr13150341vsh.55.1630307605618; Mon, 30 Aug 2021 00:13:25 -0700 (PDT) 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 From: =?UTF-8?B?w5Z6a2FuIEtJUklL?= Date: Mon, 30 Aug 2021 10:13:14 +0300 Message-ID: Subject: Creating/destroying bulk VLAN interfaces takes too long To: FreeBSD Net Content-Type: multipart/alternative; boundary="000000000000b5216f05cac1912d" X-Rspamd-Queue-Id: 4GyhPL14dYz4V2c X-Spamd-Bar: -- Authentication-Results: mx1.freebsd.org; dkim=pass header.d=gmail.com header.s=20161025 header.b=N3pulLdm; dmarc=pass (policy=none) header.from=gmail.com; spf=pass (mx1.freebsd.org: domain of ozkankirik@gmail.com designates 2607:f8b0:4864:20::e32 as permitted sender) smtp.mailfrom=ozkankirik@gmail.com X-Spamd-Result: default: False [-2.01 / 15.00]; ARC_NA(0.00)[]; NEURAL_HAM_MEDIUM(-1.00)[-1.000]; R_DKIM_ALLOW(-0.20)[gmail.com:s=20161025]; FROM_HAS_DN(0.00)[]; DWL_DNSWL_NONE(0.00)[gmail.com:dkim]; R_SPF_ALLOW(-0.20)[+ip6:2607:f8b0:4000::/36:c]; FREEMAIL_FROM(0.00)[gmail.com]; MIME_GOOD(-0.10)[multipart/alternative,text/plain]; PREVIOUSLY_DELIVERED(0.00)[freebsd-net@freebsd.org]; NEURAL_HAM_LONG(-1.00)[-1.000]; RCPT_COUNT_ONE(0.00)[1]; MID_RHS_MATCH_FROMTLD(0.00)[]; TO_DN_ALL(0.00)[]; DKIM_TRACE(0.00)[gmail.com:+]; DMARC_POLICY_ALLOW(-0.50)[gmail.com,none]; RCVD_IN_DNSWL_NONE(0.00)[2607:f8b0:4864:20::e32:from]; NEURAL_SPAM_SHORT(0.99)[0.990]; TO_MATCH_ENVRCPT_ALL(0.00)[]; FROM_EQ_ENVFROM(0.00)[]; MIME_TRACE(0.00)[0:+,1:+,2:~]; FREEMAIL_ENVFROM(0.00)[gmail.com]; ASN(0.00)[asn:15169, ipnet:2607:f8b0::/32, country:US]; TAGGED_FROM(0.00)[]; RCVD_TLS_ALL(0.00)[]; RCVD_COUNT_TWO(0.00)[2] X-ThisMailContainsUnwantedMimeParts: Y --000000000000b5216f05cac1912d Content-Type: text/plain; charset="UTF-8" Hello, I'm using FreeBSD stable/12. Creating/destroying bulk vlan interfaces takes too long to finish. Running parallel doesn't matter. Is there any fast way to create 100 vlan interfaces? seq 1 100 | /usr/bin/time xargs -t -n 1 -I % ifconfig em1.% create ... ifconfig em1.99 create ifconfig em1.100 create 14.78 real 0.03 user 1.19 sys with 4 parallel workers: seq 1 100 | /usr/bin/time xargs -t -P4 -n 1 -I % ifconfig em1.% create ... ifconfig em1.99 create ifconfig em1.100 create 14.46 real 0.03 user 1.20 sys destroying: ifconfig -g vlan | /usr/bin/time xargs -t -n 1 -I % ifconfig % destroy ... ifconfig em1.98 destroy ifconfig em1.100 destroy 21.89 real 0.03 user 1.64 sys Any suggestions? --000000000000b5216f05cac1912d--