From owner-freebsd-fs@FreeBSD.ORG Tue Jun 26 15:25:47 2012 Return-Path: Delivered-To: freebsd-fs@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [69.147.83.52]) by hub.freebsd.org (Postfix) with ESMTP id A2DB3106566C for ; Tue, 26 Jun 2012 15:25:47 +0000 (UTC) (envelope-from feld@feld.me) Received: from feld.me (unknown [IPv6:2607:f4e0:100:300::2]) by mx1.freebsd.org (Postfix) with ESMTP id 773108FC1E for ; Tue, 26 Jun 2012 15:25:47 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=feld.me; s=blargle; h=In-Reply-To:Message-Id:From:Content-Transfer-Encoding:Mime-Version:Date:References:Subject:To:Content-Type; bh=FMRSAru348cexmdsm5avtJSkFD/xZpxEJBohGWi0z3U=; b=TTApWlIfbK+wxNlnPCgCrMK68OMjCMrOLzarHeSmcH9Xj2q/YyzvRM26Z7p3DMDSxeYfPADsI5USFkUTn6ZLJ/i6oms13wwQhQXyn24wS7n6Pjo+LH5uWWVnapirjB4L; Received: from localhost ([127.0.0.1] helo=mwi1.coffeenet.org) by feld.me with esmtp (Exim 4.77 (FreeBSD)) (envelope-from ) id 1SjXeE-000GIV-Bs for freebsd-fs@freebsd.org; Tue, 26 Jun 2012 10:25:47 -0500 Received: from feld@feld.me by mwi1.coffeenet.org (Archiveopteryx 3.1.4) with esmtpa id 1340724340-94480-94479/5/59; Tue, 26 Jun 2012 15:25:40 +0000 Content-Type: text/plain; charset=utf-8; format=flowed; delsp=yes To: freebsd-fs@freebsd.org References: <201206251443.41768.jhb@freebsd.org> <4FE9CC00.9090501@FreeBSD.org> Date: Tue, 26 Jun 2012 10:25:40 -0500 Mime-Version: 1.0 Content-Transfer-Encoding: quoted-printable From: Mark Felder Message-Id: In-Reply-To: <4FE9CC00.9090501@FreeBSD.org> User-Agent: Opera Mail/12.00 (FreeBSD) X-SA-Score: -1.5 Subject: Re: [PATCH] Simple ARC stats in top X-BeenThere: freebsd-fs@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Filesystems List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 26 Jun 2012 15:25:47 -0000 On Tue, 26 Jun 2012 09:49:36 -0500, Andriy Gapon wrote: > > Please also reproduce the zfs-stats lines preceding the quoted output. zfs2# zfs-stats -A =2D----------------------------------------------------------------------= - ZFS Subsystem Report Tue Jun 26 10:24:40 2012 =2D----------------------------------------------------------------------= - ARC Summary: (HEALTHY) Memory Throttle Count: 0 ARC Misc: Deleted: 87.09m Recycle Misses: 50.58m Mutex Misses: 299.09k Evict Skips: 5.28m ARC Size: 941.88% 5.89 GiB Target Size: (Adaptive) 100.00% 640.00 MiB Min Size (Hard Limit): 12.50% 80.00 MiB Max Size (High Water): 8:1 640.00 MiB ARC Size Breakdown: Recently Used Cache Size: 0.66% 40.00 MiB Frequently Used Cache Size: 99.34% 5.85 GiB ARC Hash Breakdown: Elements Max: 29.25m Elements Current: 100.00% 29.25m Collisions: 89.81m Chain Max: 131 Chains: 524.29k =2D----------------------------------------------------------------------= - > Additionally, please run this script =20 > http://people.freebsd.org/~avg/arc-sizes.sh > zfs2# sh arc-sizes.sh ARC top-level breakdown: size: 6319074560 hdr_size: 10166488 data_size: 1513472 other_size: 245576 ARC size vs hdr_size + data_size + other_size: 6319074560 vs 11925536 ARC Data breakdown: mfu_size: 212992 mru_size: 1251328 anon_size: 49152 Data size vs mfu_size + mru_size + anon_size: 1513472 vs 1513472 mfu breakdown: data_lsize: 0 metadata_lsize: 0 other (overhead? ghost entries?): 212992 mru breakdown: data_lsize: 0 metadata_lsize: 49152 other (overhead? ghost entries?): 1202176 anon breakdown: data_lsize: 0 metadata_lsize: 0 other (overhead? ghost entries?): 49152