Does dropping packets matter if you're looking for hot keys?
As long as you manage to be fair in what you drop, surely all you really need is a representative sample (even 1-in-100 or whatever would do).
As long as you manage to be fair in what you drop, surely all you really need is a representative sample (even 1-in-100 or whatever would do).
It seems like something one would make a patch for memcache itself (where injecting such metrics seems quite simple).