Relay-Version: version B 2.10 5/3/83; site utzoo.UUCP Posting-Version: version B 2.10.1 6/24/83 (MC830713); site vu44.UUCP Path: utzoo!linus!decvax!wivax!cadmus!harvard!seismo!mcvax!vu44!jack From: jack@vu44.UUCP (Jack Jansen) Newsgroups: net.unix-wizards Subject: V7 buffer cache question. Message-ID: <414@vu44.UUCP> Date: Thu, 4-Oct-84 10:06:49 EDT Article-I.D.: vu44.414 Posted: Thu Oct 4 10:06:49 1984 Date-Received: Fri, 5-Oct-84 20:39:48 EDT Organization: VU Informatica, Amsterdam Lines: 13 I heard a rumour that someone in unix-land had hacked the buffer allocation routines so that reading a large program doesn't effectively flush your buffer cache, which is what happens in a normal V7 (the oldest block is allocated every time something is needed, so reading something big results in all your useful buffers being re-used). I think it had something to do with readahead buffers being allocated in a different way from norma buffers. Is there anyone out there who knows of such a mod? Please send me mail if you have it, or know of someone who does. Jack Jansen, {seismo|philabs|decvax}!mcvax!vu44!jack or ...!vu44!htsa!jack