From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id AD2447CA0 for ; Thu, 24 Mar 2016 04:43:07 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay1.corp.sgi.com (Postfix) with ESMTP id 693F68F8037 for ; Thu, 24 Mar 2016 02:43:04 -0700 (PDT) Received: from mail-wm0-f48.google.com (mail-wm0-f48.google.com [74.125.82.48]) by cuda.sgi.com with ESMTP id jkMOjQh4EWhenlW4 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128 verify=NO) for ; Thu, 24 Mar 2016 02:43:02 -0700 (PDT) Received: by mail-wm0-f48.google.com with SMTP id l68so266473026wml.0 for ; Thu, 24 Mar 2016 02:43:02 -0700 (PDT) Subject: Re: Failing XFS memory allocation References: <56F26CCE.6010502@kyup.com> <20160324093345.GA13569@infradead.org> From: Nikolay Borisov Message-ID: <56F3B6A1.4020400@kyup.com> Date: Thu, 24 Mar 2016 11:42:57 +0200 MIME-Version: 1.0 In-Reply-To: <20160324093345.GA13569@infradead.org> List-Id: XFS Filesystem from SGI List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: xfs-bounces@oss.sgi.com Sender: xfs-bounces@oss.sgi.com To: Christoph Hellwig Cc: xfs@oss.sgi.com On 03/24/2016 11:33 AM, Christoph Hellwig wrote: > Hi Nikolay, > > can you give the patch below a spin? While it doesn't solve the root > cause it makes many typical uses of kmem_realloc behave less badly, > so it should help with at least some of the less dramatic cases of very > fragmented files: > Sure, however I just checked some other servers with analogical setup and there are files which even larger extents (the largest I saw was 2 millions) so I guess in this particular case the memory was fragmented and compaction as invoked from the page allocator couldn't satisfy it. So I don't know if it will help in my particular case but in any case I will give it a go. Thanks _______________________________________________ xfs mailing list xfs@oss.sgi.com http://oss.sgi.com/mailman/listinfo/xfs