Interesting. Maybe there is a bug in the overflow code. 1/2 is significant. Is the hot set stable or does it change? Do you fit the working set? Clubs has more overhead but should be more robust (sans bugs). On Apr 27, 2012 4:10 PM, "Bryan Call" <bc...@yahoo-inc.com> wrote:
> I wanted to know if anyone else has done testing on comparing how clfus > and lru perform for real world traffic. > > I noticed that a server using clfus and didn't have the cache filled was > getting a higher ram cache hit rate then a server that had the cache full. > That lead me to do a test with lru and clfus in production. All I did was > switch the configuration option on one box and wait for the cache to fill > up. The server running lru was getting 1/2 the ram cache misses. Also, > this was confirmed by the amount of disk access the clfus server was doing > to grab objects from the disk cache. > > -Bryan > >
