From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail.virtall.com ([178.63.195.102]:56156 "EHLO mail.virtall.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932417Ab3HGIAh (ORCPT ); Wed, 7 Aug 2013 04:00:37 -0400 Date: Wed, 7 Aug 2013 16:00:27 +0800 From: Tomasz Chmielewski To: "linux-btrfs@vger.kernel.org" Cc: Arne Jansen Subject: Re: Heavy memory leak when using quota groups Message-ID: <20130807160027.188b340b@wpkg.org> In-Reply-To: <20130807004227.6b2b688e@wpkg.org> References: <20130806003505.7d7feff6@wpkg.org> <5200888A.4030109@gmx.net> <20130807004227.6b2b688e@wpkg.org> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Sender: linux-btrfs-owner@vger.kernel.org List-ID: On Wed, 7 Aug 2013 00:42:27 +0800 Tomasz Chmielewski wrote: > > What do I have to do to reproduce it here? How do you generate the > > load? What is the disk setup, what the qgroups setup? > > Unfortunately I don't have a way to reproduce, as the issue > happened to me only once. I keep removing the files, and memory usage has grown to 28 GB (out of 32 GB). Is there anything I can debug at this point? # free total used free shared buffers cached Mem: 32638512 32476992 161520 0 732 3531152 -/+ buffers/cache: 28945108 3693404 Swap: 16776116 173392 16602724 # cat /proc/meminfo MemTotal: 32638512 kB MemFree: 163364 kB Buffers: 864 kB Cached: 3531940 kB SwapCached: 60992 kB Active: 3599804 kB Inactive: 2422176 kB Active(anon): 1860412 kB Inactive(anon): 629848 kB Active(file): 1739392 kB Inactive(file): 1792328 kB Unevictable: 0 kB Mlocked: 0 kB SwapTotal: 16776116 kB SwapFree: 16602916 kB Dirty: 85432 kB Writeback: 10320 kB AnonPages: 2458792 kB Mapped: 11068 kB Shmem: 796 kB Slab: 3168820 kB SReclaimable: 3099388 kB SUnreclaim: 69432 kB KernelStack: 3408 kB PageTables: 14764 kB NFS_Unstable: 0 kB Bounce: 0 kB WritebackTmp: 0 kB CommitLimit: 33095372 kB Committed_AS: 4301988 kB VmallocTotal: 34359738367 kB VmallocUsed: 130036 kB VmallocChunk: 34359595900 kB HardwareCorrupted: 0 kB HugePages_Total: 0 HugePages_Free: 0 HugePages_Rsvd: 0 HugePages_Surp: 0 Hugepagesize: 2048 kB DirectMap4k: 12520 kB DirectMap2M: 33220608 kB -- Tomasz Chmielewski http://wpkg.org