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I store my sessions with memcached. I am looking to detect how many active sessions there are currently.
I am convinced it must be possible – But I have googled and googled but to no avail so please stackoverflowers give me some guidence 🙂
Memcached by nature isn’t meant to be used like that (it’s a fleeting cache store, it is not intended to do SQL / database like aggregate queries over), and current active sessions is usually not something I am remotely interested in (for load purposes, the hits & statistical data of the webserver is much more to the point).
If you are however use memcache only to store session-data (not other key-value pairs), you can use
getStats()to get an item count (cur_items) on the current memcache server.