From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from [82.179.117.26] (helo=shelob.oktetlabs.ru) by canuck.infradead.org with esmtps (Exim 4.62 #1 (Red Hat Linux)) id 1G65mL-0004nq-M1 for linux-mtd@lists.infradead.org; Thu, 27 Jul 2006 09:20:02 -0400 Message-ID: <44C8BD55.3040604@yandex.ru> Date: Thu, 27 Jul 2006 17:19:17 +0400 From: "Artem B. Bityutskiy" MIME-Version: 1.0 To: falls huang Subject: Re: question: the performance of jffs2 on UBI References: <49eab5c80607270530j469f2585w45fbe1d6449c2921@mail.gmail.com> In-Reply-To: <49eab5c80607270530j469f2585w45fbe1d6449c2921@mail.gmail.com> Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit Cc: linux-mtd@lists.infradead.org List-Id: Linux MTD discussion mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , falls huang wrote: > The UBI and jffs2 both provide wear leveling. Will the repeated > wear-leveling reduce the performance of system ? I guess jffs2 ought to be slower on UBI, but little. My *very* rough test on mtdram device showed that JFFS2 over UBI is about 5% slower. But more accurate testing should be done. -- Best Regards, Artem B. Bityutskiy, St.-Petersburg, Russia.