From owner-freebsd-fs@freebsd.org Thu Jan 12 02:09:00 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 9DA60CAB282; Thu, 12 Jan 2017 02:09:00 +0000 (UTC) (envelope-from FreeBSD@shaneware.biz) Received: from ipmail06.adl2.internode.on.net (ipmail06.adl2.internode.on.net [150.101.137.129]) by mx1.freebsd.org (Postfix) with ESMTP id 116631E0C; Thu, 12 Jan 2017 02:08:58 +0000 (UTC) (envelope-from FreeBSD@shaneware.biz) Received: from ppp118-210-171-10.bras2.adl6.internode.on.net (HELO leader.local) ([118.210.171.10]) by ipmail06.adl2.internode.on.net with ESMTP; 12 Jan 2017 12:33:08 +1030 Subject: Re: Sluggish performance on head r311648 To: Ultima , freebsd-current@freebsd.org, freebsd-fs@freebsd.org References: From: Shane Ambler Message-ID: Date: Thu, 12 Jan 2017 12:33:08 +1030 User-Agent: Mozilla/5.0 (X11; FreeBSD amd64; rv:45.0) Gecko/20100101 Thunderbird/45.4.0 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 7bit 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: Thu, 12 Jan 2017 02:09:00 -0000 On 11/01/2017 15:32, Ultima wrote: > 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 Just to eliminate the simple - is the zpool capacity high? When a pool gets into the 80-90% capacity, performance drops. -- FreeBSD - the place to B...Storing Data Shane Ambler