From owner-freebsd-hackers Wed Oct 27 11:56:24 1999 Delivered-To: freebsd-hackers@freebsd.org Received: from mobil.surnet.ru (mobil.surnet.ru [195.54.2.7]) by hub.freebsd.org (Postfix) with ESMTP id 023BF14E36; Wed, 27 Oct 1999 11:56:14 -0700 (PDT) (envelope-from ilia@cgilh.chel.su) Received: (from uucgilh@localhost) by mobil.surnet.ru (8.9.1a/8.9.1) with UUCP id AAA08645; Thu, 28 Oct 1999 00:50:24 +0600 (ESS) Received: (from uucp@localhost) by cgilh.chel.su (8.8.7/8.8.7) with UUCP id AAA01126; Thu, 28 Oct 1999 00:01:53 +0600 Received: from localhost (ilia@localhost) by localhost.cgu.chel.su (8.9.3/8.9.2) with ESMTP id XAA01062; Wed, 27 Oct 1999 23:59:09 +0600 (ESS) (envelope-from ilia@cgilh.chel.su) X-Authentication-Warning: localhost.cgu.chel.su: ilia owned process doing -bs Date: Wed, 27 Oct 1999 23:59:07 +0600 (ESS) From: Ilia Chipitsine X-Sender: ilia@localhost.cgu.chel.su To: David Scheidt Cc: Chuck Robey , Ben Rosengart , Chuck Youse , questions@FreeBSD.ORG, hackers@FreeBSD.ORG Subject: Re: why FFS is THAT slower than EXT2 ? In-Reply-To: Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-freebsd-hackers@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG -----BEGIN PGP SIGNED MESSAGE----- On Wed, 27 Oct 1999, David Scheidt wrote: > On Wed, 27 Oct 1999, Chuck Robey wrote: > > > > > > > Read the post again -- they were using soft updates. > > > > Why is that important? Soft updates is still far better than an async > > filesystem. Have you lost files in panics? I haven't. > > > > Soft updates should get you most of the speed that async updates do. I have > lost cylinder groups in panics on systems with soft-updates. (I was using a > very buggy kernel module, so things were *hosed*). The original poster > hasn't really provided enough information to know what is going on, and what > the performance problem is. in order to save space I gzip'ped output of my tests. ungzipping ports tarball on FreeBSD took 28 min on Linux --- about 2.5 times faster. there's output of "time sh install.sh". > > > David Scheidt > -----BEGIN PGP SIGNATURE----- Version: 2.6.3ia Charset: noconv iQB1AwUBOBc9bORxlWKN2EXhAQGrxgL+PBNSU1hMNRh3mA/zvQQ/OqvlsGfrr5Bc octa9cLZ3acWrZ3WXtd4CZVy75d/mKtEophUAmKWVsmvRPj0cUjvI6iZmq5EOpK4 dRxBkFFl6jyjns1SSOxBQ8tfdTby0MyZ =upZS -----END PGP SIGNATURE----- To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message