From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from cn.fujitsu.com ([59.151.112.132]:7239 "EHLO heian.cn.fujitsu.com" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S1750949AbdBFJ3n (ORCPT ); Mon, 6 Feb 2017 04:29:43 -0500 Subject: Re: Very slow balance / btrfs-transaction To: Jorg Bornschein , Goldwyn Rodrigues , References: <57259b63-2f26-0da4-16f6-5fbd781daeb0@cn.fujitsu.com> <507c32d4-929c-b691-6196-103c8cb9addb@suse.com> <80d3e5ce55ddc7e454cce96e67e2ea64@88cbed2449cf> <8999d95dac21ea8e2908c5012e50c59b@88cbed2449cf> <22abce5d39112d2223580b19b1adc4df@85337f6d4fa4> From: Qu Wenruo Message-ID: Date: Mon, 6 Feb 2017 17:29:30 +0800 MIME-Version: 1.0 In-Reply-To: <22abce5d39112d2223580b19b1adc4df@85337f6d4fa4> Content-Type: text/plain; charset="utf-8"; format=flowed Sender: linux-btrfs-owner@vger.kernel.org List-ID: At 02/06/2017 05:14 PM, Jorg Bornschein wrote: > February 6, 2017 1:45 AM, "Qu Wenruo" > >> Would you please provide the kernel version? >> >> v4.9 introduced a bad fix for qgroup balance, which doesn't completely fix qgroup bytes leaking, >> but also hugely slow down the balance process: >> > > I'm a bit behind the times: 4.8.13-1-ARCH > > > > j > > Unfortunately, v4.8 also has that bad commit :(. So if you have your spare time, you could try v4.10. Although for Archlinux it would take some time before v4.10 moved from [testing] to [core]. Thanks, Qu