From owner-freebsd-hackers@FreeBSD.ORG Fri Oct 24 09:05:35 2008 Return-Path: Delivered-To: freebsd-hackers@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 5E7091065682 for ; Fri, 24 Oct 2008 09:05:35 +0000 (UTC) (envelope-from danny@cs.huji.ac.il) Received: from cs1.cs.huji.ac.il (cs1.cs.huji.ac.il [132.65.16.10]) by mx1.freebsd.org (Postfix) with ESMTP id 1C10E8FC12 for ; Fri, 24 Oct 2008 09:05:34 +0000 (UTC) (envelope-from danny@cs.huji.ac.il) Received: from pampa.cs.huji.ac.il ([132.65.80.32]) by cs1.cs.huji.ac.il with esmtp id 1KtIbt-000PhA-HW for freebsd-hackers@freebsd.org; Fri, 24 Oct 2008 11:05:33 +0200 X-Mailer: exmh version 2.7.2 01/07/2005 with nmh-1.2 To: FreeBSD Hackers Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Date: Fri, 24 Oct 2008 11:05:33 +0200 From: Danny Braniss Message-ID: Subject: zfs & waiting on zio->io_cv X-BeenThere: freebsd-hackers@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Technical Discussions relating to FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 24 Oct 2008 09:05:35 -0000 there is a big delay (probably more than 1 sec.) when doing simple tasks on this zfs, like ls(1), or 'zfs list', long enough to hit ^T and get the same [zio->io_cv)], any hints? store-01# zfs list (hitting ^T)load: 0.00 cmd: zfs 88376 [zio->io_cv)] 0.00u 0.00s 0% 1672k (hitting ^T)load: 0.00 cmd: zfs 88376 [zio->io_cv)] 0.00u 0.00s 0% 1684k NAME USED AVAIL REFER MOUNTPOINT h 472G 11.2T 23K /h h/home 466G 11.2T 466G /h/home h/home@23-10-08 54K - 466G - h/root 18K 11.2T 18K /h/root h/src 18K 11.2T 18K /h/src h/system 5.64G 11.2T 5.64G /h/system cheers, danny