Sounds interesting, is that possible ? What are the conditions stats *may* be wrong ? Thanks
2009/7/27 Henrik Schröder <[email protected]>: > Another possibility is of course that the stats are wrong. > > > /Henrik > > On Mon, Jul 27, 2009 at 20:15, Ajeet <[email protected]> wrote: >> >> > >> > > 2. The data that I inserted is not there anymore and has been evicted >> > > ( while inserting the timeout was 30 days, all the testing was done in >> > > a matter of hours) >> > >> > Possible. Are you storing lots of things the same size? Memcached uses >> > slabs to allocate memory. Each slab stores objects of a given size. >> > So, if you are storing lots of things the same size, they will get >> > evicted from the server. >> >> Yes all items are more or less the same size. >> >> > >> > You could restart memcached then load it up then run something like: >> > >> > $ echo stats | nc localhost 11211 | fgrep evictions >> > STAT evictions 143202 >> > >> > That would tell you how many evictions occurred. >> >> I get >> STAT evictions 0 >> >> I also have >> STAT curr_items 4997968 >> STAT total_items 4998139 >> >> As I mentioned before, I dont get any cache misses. Btw, I am using >> version 1.2.8 >> The client is spymemcached. >> >> How can this be if there is no open hashing involved? >> >> -- >> Regards, >> Ajeet > > -- Jozef
