Thanks, I must have totally missed the release notes. Just checked the change log and notices the comments about new stats. Figured I would get a jump start on getting them into memcached-manager.
On Fri, Mar 13, 2009 at 6:28 PM, Dustin <[email protected]> wrote: > > > On Mar 13, 5:17 pm, NICK VERBECK <[email protected]> wrote: >> Does anyone have a list of what the new stats introduced in 1.3.6 are? >> and are they accessible via the text protocol? > > I added them to the release notes (and they've been documented in > full context in protocol.txt). I'm pretty sure that was all of them. > If I missed something, please let me know. > > 1.3.1 New Stats > ---------------- > > * Delete > > The global stats now contain statistics on deletion. > > delete_hits refers to the number of times a deletion command was > issued which resulted in a modification of the cache while > delete_misses refers to the number of times a deletion command was > issued which had no effect due to a key mismatch. > > * Incr/Decr > > Incr and decr each have a pair of stats showing when a > successful/unsuccessful incr occurred. incr_hits, incr_misses, > decr_hits, and decr_misses show where such mutations worked and > where > they failed to find an existing object to mutate. > > * CAS > > CAS stats are tracked in three different ways: > > + cas_hits > > Number of attempts to CAS in a new value that worked. > > + cas_misses > > Number of attempts to CAS in a value where the key was not found. > > + cas_badval > > Number of attempts to CAS in a value where the CAS failed due to > the > object changing between the gets and the update. > > * slab class evicted time > > Per slab class, you can now see how recently accessed the most > recent > evicted data was. This is a useful gauge to determine eviction > velocity on a slab so you can know whether evictions are healthy or > if > you've got a problem. > > > 1.3.2 More Granular Stats > -------------------------- > > Where possible, stats are now tracked individually by slab class. The > following stats are available on a per-slab-class basis (via "stats > slabs"): > > * get_hits > * cmd_set > * delete_hits > * incr_hits > * decr_hits > * cas_hits > * cas_badval > > (misses are obviously not available as they refer to a non-existent > item) > > 1.3.3 Removed stats > -------------------- > > "stats malloc" and "stats maps" have been removed. > > If you depended on these commands for anything, please let us know so > we can bring them back in a more maintainable way. > > -- Nick Verbeck - NerdyNick ---------------------------------------------------- NerdyNick.com SkeletalDesign.com VivaLaOpenSource.com Coloco.ubuntu-rocks.org
