Note: "permalinks" may not be as permanent as we would like,
direct links of old sources may well be a few messages off.
On Jun 12, 2007, at 11:34 AM, Lars Ellenberg wrote: > whether or not the tcp buffer fills up or not does not change things. > in this case the tcp buffer does only what it was supposed to do, > smooth the tcp stuff. having a larger buffer (which, depending on your > actual network performance may never fill up) cannot possibly increase > latency? Doh. Of course. Thanks for point out the obvious to me. :) >>>> 3. What's a reasonable formula for determining max-buffers? Does >>>> increasing them imply I should increase something else too? > > if you tune it too small, io will throttle on it. > to not thottle here, it should be larger than the maximum expected > amount of in-flight io (io requests submitted but not yet completed). I see. I don't suppose there happens to be a way to see what my in- flight io high/average watermark currently is?