On Tue, Nov 13, 2007 at 13:26:49 +0300, Tomash Brechko wrote: > So you'll save 4 bytes on positive response and a cost of 3 bytes on > negative responce. With the hit rate > 43%, you'll have the saving. Not to say that you will also throw away the tag from all requests, another 4 bytes. so the threshold is > 27.3% of cache hits. -- Tomash Brechko