On Tue, Oct 31, 2006 at 03:17:18PM +0200, Graham Leggett wrote: > On Tue, October 31, 2006 2:31 pm, Joe Orton wrote: > > > To determine writability of the output filter chain is not as simple as > > exposing writability of the socket. An output filter may block on > > writes because it is blocked on a read from the (writable) socket, this > > happens with SSL for example. > > True, but this is not a showstopper. Keep in mind that it's advantageous > to "try very hard" to cache the entire backend as soon as possible, but > this doesn't have to be perfect in every case. If the socket blocks, the > backend is delayed, and we are not as efficient as we theoretically could > be. Oh well.
I see little need to care about non-blocking writes at cache level in that case, just whack up SendBufferSize and be done; zero lines of code needed, and zero hours of developer time wasted talking about it. joe
