From mboxrd@z Thu Jan 1 00:00:00 1970 Message-ID: <36bfc10a6570b430d295d956d832a7c2@plan9.bell-labs.com> To: 9fans@cse.psu.edu Subject: Re: [9fans] QTCTL? Date: Thu, 1 Nov 2007 12:21:05 -0400 From: Sape Mullender In-Reply-To: <13426df10711010904r317f9fd6v14a87dc2f024b0b1@mail.gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: 7bit Topicbox-Message-UUID: e3810f4c-ead2-11e9-9d60-3106f5b1d025 > Why not just have a file that a client reads that lets the client know > of changes to files. A bit better, but the comment I just made about breaking single-copy semantics still hold. The point is that merely notifying the client isn't enough. The server should wait for an acknowledgement to that notification (which possibly doesn't arrive until after the client has flushed its updates from the cache). Sape