From mboxrd@z Thu Jan 1 00:00:00 1970 To: Fans of the OS Plan 9 from Bell Labs <9fans@9fans.net> In-reply-to: Your message of "Thu, 11 Aug 2011 09:15:09 PDT." References: <20110810220404.D6021B827@mail.bitblocks.com> Date: Thu, 11 Aug 2011 12:54:27 -0700 From: Bakul Shah Message-Id: <20110811195427.CAF8FB827@mail.bitblocks.com> Subject: Re: [9fans] simple venti demo: Topicbox-Message-UUID: 0fb3710a-ead7-11e9-9d60-3106f5b1d025 On Thu, 11 Aug 2011 09:15:09 PDT ron minnich wrote: > > Note a difference between lucho and me: I ignore vtsync (I always sync > on writes) and he properly pays attention to it. Question for the > student: which one is better? Why? Pay attention to vtsync? May be not for your mythical multiTB ramflash but in real life syncing on every write is expensive. [As I see it] in a sense venti has an atomic `changeset' concept (each changeset maps to a single "fingerprint"). A partial changeset is of not much use.