From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mx0b-00082601.pphosted.com ([67.231.153.30]:57011 "EHLO mx0b-00082601.pphosted.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754735Ab3LPSQ5 (ORCPT ); Mon, 16 Dec 2013 13:16:57 -0500 From: Chris Mason To: "hkbakke@gmail.com" CC: "linux-btrfs@vger.kernel.org" Subject: Re: Blocket for more than 120 seconds Date: Mon, 16 Dec 2013 18:16:53 +0000 Message-ID: <1387217823.18897.14.camel@ret.masoncoding.com> References: <46A0D70E-99DF-46FE-A4E8-71E9AC45129F@colorremedies.com> <337E6C9D-298E-4F77-91D7-648A7C65D360@colorremedies.com> <840381F8-BDCA-43BF-A170-6E10C2908B8A@colorremedies.com> <1387207097.18897.6.camel@ret.masoncoding.com> In-Reply-To: Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Sender: linux-btrfs-owner@vger.kernel.org List-ID: On Mon, 2013-12-16 at 17:32 +0100, Hans-Kristian Bakke wrote: > Ok, I guess the essence have been lost in the meta discussion. > > Basically I get blocking for more than 120 seconds during these workloads: > - defragmenting several large fragmentet files in succession (leaving > time for btrfs to finish writing each file). This have *always* > happened in my array, even when it just consisted of 4x4TB drives. > or > - rsyncing *to* the btrfs array from another internal array (rsync -a > ) > Ok, and do you have autodefrag enabled on the btrfs FS you are copying to? Also, how much ram do you have? -chris {.n++%ݶw{.n+{k~^nrzh&zzޗ++zfh~iz_j:+v)ߣm