From owner-freebsd-fs@freebsd.org Wed Jan 11 05:02:28 2017 Return-Path: Delivered-To: freebsd-fs@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 480B4CAA253; Wed, 11 Jan 2017 05:02:28 +0000 (UTC) (envelope-from ultima1252@gmail.com) Received: from mail-yb0-x22c.google.com (mail-yb0-x22c.google.com [IPv6:2607:f8b0:4002:c09::22c]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (Client CN "smtp.gmail.com", Issuer "Google Internet Authority G2" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 076CE12BA; Wed, 11 Jan 2017 05:02:28 +0000 (UTC) (envelope-from ultima1252@gmail.com) Received: by mail-yb0-x22c.google.com with SMTP id v132so113962327yba.0; Tue, 10 Jan 2017 21:02:27 -0800 (PST) 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=Fw4iIVp/8Nz3BvnxEsl/OayhkgaqN1x89/XXvF1J8OY=; b=NFinBIflj3RrsBkG80qbZTNaOGa1BkSNihlCj813vPypTgj0C06MsKU1B1+Rid7Z00 3Q1MEEZrmcQhQvFbmutvUK9qklONpl39efdp2OSQ6S7f6q4mtvSVvAELMb52jAz8C+z3 Mmdbyp7hhGpg8Gku4COU56I7yJN8dagNxj+F0tC9SJ3Bjrn5IVj9UqpRsO+EPM72rULv oco2EiKXUqS6UEh+klHg5kA3WobY3JWCKFtqnfItpGnM+kBlg1nZbqo3B1+4My5Vk1Sm /mlScXKdM4RfppKoWK8sd2ZULBieSJZtkXb1nbGHm9/7wUSaIlfRmdYViAijX1p3uyPD tSww== 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=Fw4iIVp/8Nz3BvnxEsl/OayhkgaqN1x89/XXvF1J8OY=; b=Loj7htBWViEme6ozrmq6xtN4IVXkcrul2yNb9s/3/naojwcCksZzwX8MAt+DkAVEyB iWCn0SJ5K/prf1eaqkcMK3Qq+9laeMJT87DyV3gSjbtrBCdWX92gfTCsQ8a7I0f3vLB+ eIkkZQmtPv8ePdHJt4Oce1lpowCc+5YmrabRAxfO2+ovuUlWi6AMKD8gYyt9NUOw5sxC DUQLjghiyV7mdxo921MAyhCzxErGz4kv1kAhkm9nqJxW2LGvlpy0kn1EOW3IvCKydEad VqhmUAHl6LptRbG2U3dtOl0Ybz7Yc69peVEFU3GuVk+Q9OEAtdgDiqvijatwgaAITxnk mWBQ== X-Gm-Message-State: AIkVDXLExaaAwEQzxFNGZGbrKL+5PZ9EnIIQrCVsKlGVydUhWTn53qLcO2QYK7zsRdQQ79uv31d0QdsAlnE+4g== X-Received: by 10.37.84.8 with SMTP id i8mr3050612ybb.75.1484110946845; Tue, 10 Jan 2017 21:02:26 -0800 (PST) MIME-Version: 1.0 Received: by 10.129.52.65 with HTTP; Tue, 10 Jan 2017 21:02:26 -0800 (PST) From: Ultima Date: Wed, 11 Jan 2017 00:02:26 -0500 Message-ID: Subject: Sluggish performance on head r311648 To: freebsd-current@freebsd.org, freebsd-fs@freebsd.org Content-Type: text/plain; charset=UTF-8 X-Content-Filtered-By: Mailman/MimeDel 2.1.23 X-BeenThere: freebsd-fs@freebsd.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Filesystems List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 11 Jan 2017 05:02:28 -0000 I'v been noticing lately sluggish performance, maybe zfs? First noticed this a few days ago right after upgrading on Jan 7th to r311648 and the last upgrade before that was around dec 30-jan 1 (not sure of rev). Decided to upgrade again today. I usually build and install head every week or two, but I have been extremely busy the past couple months. FreeBSD U1 12.0-CURRENT FreeBSD 12.0-CURRENT #16 r311903: Tue Jan 10 17:20:11 EST 2017 amd64 Normally when one of my services scans a few directories it takes about 15 seconds tops, it has been taking several minutes. I want to note that this service is running inside a jail with vnet enabled. Also the directory it scans is a nullfs to a dataset. This is just one of the many side effects i'v been noticing, another is extremely slow reads with bhyve+zvol. Starting to wonder if it maybe hardware related. I decided to check commits log before posting and not much has happened to zfs recently other than, Add missed vfs.zfs.zfetch.max_idistance in r309833, and 309714 which doesn't really look related (could be wrong). But these were committed about a month ago so that is not likely the case. Anyone else experiences similar results as of recent? Sorry for being noise if this is hardware related.