From mboxrd@z Thu Jan 1 00:00:00 1970 From: Hans Reiser Subject: Re: file name match speed Date: Mon, 29 Aug 2005 13:19:18 -0700 Message-ID: <43136DC6.5000005@namesys.com> References: <1125183549.5569.10.camel@localhost.localdomain> Mime-Version: 1.0 Content-Transfer-Encoding: 7bit Return-path: list-help: list-unsubscribe: list-post: Errors-To: flx@namesys.com In-Reply-To: <1125183549.5569.10.camel@localhost.localdomain> List-Id: Content-Type: text/plain; charset="us-ascii" To: mingz@ele.uri.edu Cc: reiserfs Ming Zhang wrote: >Hi folks > >I would like to investigate the file name look up performance here. > >assumed i have file name that is in digits, like 1,2,5,12, 43, 61, >98,300... > >so how they will be hashed. > >and if i want to look up file named as 64 while no such file available, >any quick way to find the file 61 in upper example? > >this is like a database query. select first X with X <=64. :) > > >Ming > > > > > > > It would be useful to add such functionality to sys_reiser4.