From owner-freebsd-fs@FreeBSD.ORG Fri Sep 25 18:28:56 2009 Return-Path: Delivered-To: freebsd-fs@hub.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 4DA33106568B; Fri, 25 Sep 2009 18:28:56 +0000 (UTC) (envelope-from pjd@FreeBSD.org) Received: from freefall.freebsd.org (freefall.freebsd.org [IPv6:2001:4f8:fff6::28]) by mx1.freebsd.org (Postfix) with ESMTP id 24ABF8FC08; Fri, 25 Sep 2009 18:28:56 +0000 (UTC) Received: from freefall.freebsd.org (pjd@localhost [127.0.0.1]) by freefall.freebsd.org (8.14.3/8.14.3) with ESMTP id n8PISuIR031846; Fri, 25 Sep 2009 18:28:56 GMT (envelope-from pjd@freefall.freebsd.org) Received: (from pjd@localhost) by freefall.freebsd.org (8.14.3/8.14.3/Submit) id n8PISu6Z031842; Fri, 25 Sep 2009 18:28:56 GMT (envelope-from pjd) Date: Fri, 25 Sep 2009 18:28:56 GMT Message-Id: <200909251828.n8PISu6Z031842@freefall.freebsd.org> To: nwf@cs.jhu.edu, pjd@FreeBSD.org, freebsd-fs@FreeBSD.org, pjd@FreeBSD.org From: pjd@FreeBSD.org Cc: Subject: Re: kern/139039: [zfs] zpool scrub makes system unbearably slow 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: Fri, 25 Sep 2009 18:28:56 -0000 Synopsis: [zfs] zpool scrub makes system unbearably slow State-Changed-From-To: open->feedback State-Changed-By: pjd State-Changed-When: ptk 25 wrz 2009 18:27:48 UTC State-Changed-Why: Could you tell which threads are consuming most CPU time? Pasting first few lines from 'top -SH' should be enough. Responsible-Changed-From-To: freebsd-fs->pjd Responsible-Changed-By: pjd Responsible-Changed-When: ptk 25 wrz 2009 18:27:48 UTC Responsible-Changed-Why: I'll take this one. http://www.freebsd.org/cgi/query-pr.cgi?pr=139039