Path: utzoo!utgpu!watmath!att!tut.cis.ohio-state.edu!cs.utexas.edu!uunet!intercon!amanda@intercon.uu.net From: amanda@intercon.uu.net (Amanda Walker) Newsgroups: comp.protocols.tcp-ip Subject: Re: Mac FTP transfer speeds Message-ID: <1341@intercon.UUCP> Date: 7 Aug 89 14:57:41 GMT References: <8908052109.AA12473@zaphod.ncsa.uiuc.edu> Sender: news@intercon.UUCP Reply-To: amanda@intercon.uu.net (Amanda Walker) Organization: InterCon Systems Corporation Lines: 18 In article <8908052109.AA12473@zaphod.ncsa.uiuc.edu>, timk@NCSA.UIUC.EDU (Tim Krauskopf) writes: > NCSA Telnet blocks the network 4K (TCP window) at a time, but it does > 8K at a time to disk to save memory. Try recompiling it with 64K blocking > to disk and let me know how much it improved. Actually, it occured to me this weekend that the problem may be a little more subtle. Telnet writes out files by using FSWrite--I remember a discussion a while back about FSWrite, where someone claimed that FSWrite just calls PBWrite 512 bytes at a time. I haven't gotten around to changing the code to just call PBWrite directly, but this might make the file system a lot happier... -- Amanda Walker InterCon Systems Corporation -- amanda@intercon.uu.net | ...!uunet!intercon!amanda