Return-Path: william@bourbon.usc.edu
Delivery-Date: Sun Nov 23 19:52:24 2008
X-Spam-Checker-Version: SpamAssassin 3.2.3 (2007-08-08) on merlot.usc.edu
X-Spam-Level: 
X-Spam-Status: No, score=-2.4 required=5.0 tests=AWL,BAYES_00 autolearn=ham
	version=3.2.3
Received: from bourbon.usc.edu (bourbon.usc.edu [128.125.9.75])
	by merlot.usc.edu (8.14.1/8.14.1) with ESMTP id mAO3qOFu023138
	for <cs551@merlot.usc.edu>; Sun, 23 Nov 2008 19:52:24 -0800
Received: from bourbon.usc.edu (localhost.localdomain [127.0.0.1])
	by bourbon.usc.edu (8.14.2/8.14.1) with ESMTP id mAO3od2u029511
	for <cs551@merlot>; Sun, 23 Nov 2008 19:50:39 -0800
Message-Id: <200811240350.mAO3od2u029511@bourbon.usc.edu>
To: cs551@merlot.usc.edu
Subject: Re: Project 2
Date: Sun, 23 Nov 2008 19:50:39 -0800
From: Bill Cheng <william@bourbon.usc.edu>

Someone wrote:

  > Continuing from the message below:
  > Wouldn't nonce be enough to identify a file uniquely?

Yes, unless there are some strange bugs that caused
non-unique nonces to be greated.  Anyway, you should
check FileName, SHA1, and Nonce.

Since there is no index for nonces, you should use
the SHA1 index or the FileName index to search.
--
Bill Cheng // bill.cheng@usc.edu <URL:http://merlot.usc.edu/william/usc/>



  > On Sun, Nov 23, 2008 at 3:47 PM, Bill Cheng <william@bourbon.usc.edu> wrote:
  > > Someone wrote:
  > >
  > >  > The format for delete command is 'delete FileName=foo SHA1=6b6c...
  > >  > Nonce=fe18..' . Are all the 3 arguments mandatory and shud be in this
  > > fixed
  > >  > order ?
  > >
  > > All are mandatory.  Given our rules of not keeping files
  > > with duplicate FileName, SHA1, *and* Nonce, this should
  > > match at most one file in your mini-filesystem.
  > > --
  > > Bill Cheng // bill.cheng@usc.edu <URL:http://merlot.usc.edu/william/usc/>