From owner-freebsd-stable@freebsd.org Fri Oct 21 04:22:30 2016 Return-Path: Delivered-To: freebsd-stable@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 E35B2C1A968 for ; Fri, 21 Oct 2016 04:22:30 +0000 (UTC) (envelope-from killing@multiplay.co.uk) Received: from mail-lf0-x22d.google.com (mail-lf0-x22d.google.com [IPv6:2a00:1450:4010:c07::22d]) (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 5F2A5958 for ; Fri, 21 Oct 2016 04:22:30 +0000 (UTC) (envelope-from killing@multiplay.co.uk) Received: by mail-lf0-x22d.google.com with SMTP id b75so120773507lfg.3 for ; Thu, 20 Oct 2016 21:22:30 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=multiplay-co-uk.20150623.gappssmtp.com; s=20150623; h=subject:to:references:from:message-id:date:user-agent:mime-version :in-reply-to; bh=xpxid8DTsm7zzlfMRamN0hrtiXN+ZNjO+wJxe2HP8pM=; b=hHOeXAAajjhXIf4X82yiA8PEKQbdS/VvVcT2oPbedsRhhUE0/2Irj/ogPj/W3RNaOd bQ5J7V8ibXjLvWIgmdgc0AUQxQRO4bVzUrbUjRvv9SCw2m2PIiu0cAfOWkLVIGfNGXhm pxclfnizZgr8l0HPJK31OSUXq6K0hQReQYt5BosQFIGE/2UrKrLtIfO0Z1EFDi/6d8Ai QaEAfFynSM99FYF3HDvUu01Ze3EYODkjzFbi47vliIR4NQlPMl3gUj05B45vzl9BHjvc tgf5i4SdEF7QmCS/QqoLLsCf5x0mQURgzaCKjK44bWvHTHGvwOXtWPK5l+ZIXc4+BDg2 OL7w== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:subject:to:references:from:message-id:date :user-agent:mime-version:in-reply-to; bh=xpxid8DTsm7zzlfMRamN0hrtiXN+ZNjO+wJxe2HP8pM=; b=Rbxkj4o4C4fPhV5ft1K2qyKOh/NV3eYQWl+RNw/XTgyYJUkavVZ8Km20WpvmIrqfo7 CuWdwoZUrOkZLMIIwxyzDr2/n36RtN0eQ0DlQO35+gs6sU5h6zNewucnopg2NHwlA5OV 0fkoPd8wqjn5wTeX8s8iha7x2EFhY9J2/axY0uw3lyn9ww9YtMtn9GkvG2HwX6vSJlSC ahd8hRsyuq7WVdDkTXPVgRaQFCS6NlFQOHPH8I26FSoYr9gpo+zI1E6+ozMwFs0nqMBk /3Zb8Z8cGq8LnlwhF+ElXtfm6BqtRDct52/l7HLYu9Lmj9C2bnFW3P0ynpiRS2rgMZLE yvJw== X-Gm-Message-State: AA6/9Rl2ZsHfvFYzyikI0EZ7xNk+w6eTU+c9agZBfSrC3aC9kwjP9yg+3ScbXKxDoXlABAeU X-Received: by 10.28.103.7 with SMTP id b7mr1059881wmc.48.1477023746835; Thu, 20 Oct 2016 21:22:26 -0700 (PDT) Received: from [10.10.1.58] ([185.97.61.26]) by smtp.gmail.com with ESMTPSA id o62sm1952631wmg.9.2016.10.20.21.22.25 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Thu, 20 Oct 2016 21:22:26 -0700 (PDT) Subject: Re: zfs, a directory that used to hold lot of files and listing pause To: freebsd-stable@freebsd.org References: <4d9269af-ed64-bb73-eb7f-98a3f5ffd5a2@norma.perm.ru> <40fa9fd6-15aa-d8f7-b958-8783e763e6bc@multiplay.co.uk> <577ab7b2-46c1-5cf0-b6ad-50895978d957@norma.perm.ru> From: Steven Hartland Message-ID: <38a84fce-fd97-a6a1-5820-89e578d76f0b@multiplay.co.uk> Date: Fri, 21 Oct 2016 05:22:56 +0100 User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:45.0) Gecko/20100101 Thunderbird/45.4.0 MIME-Version: 1.0 In-Reply-To: <577ab7b2-46c1-5cf0-b6ad-50895978d957@norma.perm.ru> Content-Type: text/plain; charset=windows-1252; format=flowed Content-Transfer-Encoding: 7bit X-Content-Filtered-By: Mailman/MimeDel 2.1.23 X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 21 Oct 2016 04:22:31 -0000 On 21/10/2016 04:52, Eugene M. Zheganin wrote: > Hi. > > On 20.10.2016 21:17, Steven Hartland wrote: >> Do you have atime enabled for the relevant volume? > I do. >> >> If so disable it and see if that helps: >> zfs set atime=off >> > Nah, it doesn't help at all. As per with Jonathon what does gstat -pd and top -SHz show?