From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-io0-f182.google.com ([209.85.223.182]:34807 "EHLO mail-io0-f182.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753930AbcLKXaC (ORCPT ); Sun, 11 Dec 2016 18:30:02 -0500 Received: by mail-io0-f182.google.com with SMTP id p42so149363088ioo.1 for ; Sun, 11 Dec 2016 15:30:02 -0800 (PST) MIME-Version: 1.0 In-Reply-To: References: From: Markus Binsteiner Date: Mon, 12 Dec 2016 12:30:01 +1300 Message-ID: Subject: Re: btrfs-find-root duration? To: Chris Murphy Cc: Btrfs BTRFS Content-Type: text/plain; charset=UTF-8 Sender: linux-btrfs-owner@vger.kernel.org List-ID: > OK when I do it on a file system with just 14GiB of metadata it's > maybe 15 seconds. So a few minutes sounds sorta suspicious to me but, > *shrug* I don't have a file system the same size to try it on, maybe > it's a memory intensive task and once the system gets low on RAM while > traversing the file system it slows done a ton. Ok, thanks, looks like there is some other issue then as well. The process doesn't take up any memory at all, just 100% of one core. Maybe I'll try to use it with an older version of btrfs-progs, from Debian Jessie. Don't think it'll make any difference, but I don't know what else to try. At this point I'm more curious than anything else. I've got backups for most of my stuff, just a few rogue scripts I'd have to re-write. Still, would be nice to get those back.