From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from www.humilis.net ([80.100.93.5]:40868 "EHLO panda.humilis.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750768AbaABKS2 (ORCPT ); Thu, 2 Jan 2014 05:18:28 -0500 Date: Thu, 2 Jan 2014 11:10:29 +0100 From: Sander To: linux-btrfs@vger.kernel.org Subject: Re: [PATCH] Btrfs: improve the performance fluctuating of the fsync Message-ID: <20140102101029.GA16317@panda> Reply-To: sander@humilis.net References: <1387363964-20316-1-git-send-email-miaox@cn.fujitsu.com> <20131218110944.GA8309@pdb1.th.formicary.net> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii In-Reply-To: <20131218110944.GA8309@pdb1.th.formicary.net> Sender: linux-btrfs-owner@vger.kernel.org List-ID: Leonidas Spyropoulos wrote (ao): > Will this help with apt-get performance over btrfs file system? As far > as I understand it it's happening because of multiple fsync calls. apt-get install eatmydata "This package contains a small LD_PRELOAD library (libeatmydata) and a couple of helper utilities designed to transparently disable fsync and friends (like open(O_SYNC))." Then use it like: eatmydata apt-get install