From owner-freebsd-hackers Fri Feb 19 10:56:51 1999 Delivered-To: freebsd-hackers@freebsd.org Received: from rmstar.campus.luth.se (rmstar.campus.luth.se [130.240.197.32]) by hub.freebsd.org (Postfix) with ESMTP id 9D7BD1191C for ; Fri, 19 Feb 1999 10:56:09 -0800 (PST) (envelope-from murduth@rmstar.campus.luth.se) Received: from rmstar.campus.luth.se (murduth@LOCALHOST [127.0.0.1]) by rmstar.campus.luth.se (8.9.1/8.9.1) with ESMTP id TAA21622; Fri, 19 Feb 1999 19:56:03 +0100 (CET) (envelope-from murduth@rmstar.campus.luth.se) Message-Id: <199902191856.TAA21622@rmstar.campus.luth.se> X-Mailer: exmh version 2.0.2 2/24/98 To: SANETO Takanori Cc: freebsd-hackers@FreeBSD.ORG Subject: Re: mfs behaviour change in last couple months? In-Reply-To: Your message of "Sat, 20 Feb 1999 00:42:11 +0900." <199902191542.AAA24794@mail.ba2.so-net.ne.jp> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Date: Fri, 19 Feb 1999 19:56:02 +0100 From: Joakim Henriksson Sender: owner-freebsd-hackers@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG > Recently (since the end of last year, I guess) I noticed that when > mounting mfs, heavy disk I/O occurs. It seems that mfs's VM space is > swapped (or paged) out when it is invoked (or when mfs newfs'es its VM > space). I have seen this also, i've even sent in a PR for it bin/9444 if anyone is interested. > Could it be because of an mfs implementation change? VM? This occured for me before any of the changes in the VM system came in so that is not the culprit anyway. Other than that i have absolutely no idea what could cause MFS to "touch" a lot of pages. -- regards/ Joakim To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message