- From: Julian Reschke <julian.reschke@gmx.de>
- Date: Tue, 24 Jul 2012 09:27:11 +0200
- To: Amos Jeffries <squid3@treenet.co.nz>
- CC: ietf-http-wg@w3.org
On 2012-07-24 09:11, Amos Jeffries wrote: > On 24/07/2012 6:39 p.m., Eric J. Bowman wrote: >> "Adrien W. de Croy" wrote: >>> a) does anyone actually use them? >>> >> Yes. >> >>> b) do they work? >>> >> I've never heard that they don't, nor run into any problems using them. >> >>> c) do we still need them? >>> >> Yes, otherwise I have to cache-expire for all changes to resource state, >> without the option to declare certain changes insignificant. Take a >> "weblog entry" resource which includes a # of comments counter, with a >> link to a comment thread. XHR is used to synch the count, eventually. > > What type of server do you have which does not send strong ETag on > binary-level changes anyway? > ... As far as I recall, Apache httpd/moddav sends a (timestamp-based) weak etag in PUT responses if it doesn't have sufficient time resolution. Once the change time for the underlying object is in the past, the ETag changes to a strong one. Best regards, Julian
Received on Tuesday, 24 July 2012 07:27:47 UTC