Is your Memcached instance working correctly? Who the hell knows? Well, we will in a minute.
Open your terminal, and use the ancient telnet to connect to your server on the correct port (usually 11211):
$ telnet my.memcache.server.net 11211 Trying my.memcache.server.net... Connected to my.memcache.server.net. Escape character is '^]'.
Next we reset existing stats then turn on stats collection:
stats reset RESET stats detail on OK
Now, make a request on your website that will call memcache.
Finally, turn stats collection off, then dump the stats collected. If you have output, your memcached server is successfully caching your keys!
stats detail off OK stats detail dump PREFIX User get 3 hit 2 set 1 del 0 PREFIX Trade get 1 hit 0 set 1 del 0 PREFIX Currency get 1 hit 0 set 0 del 0 PREFIX Orders get 2 hit 0 set 2 del 0 PREFIX Prices get 2 hit 0 set 0 del 0 END
To get out of telnet, you type quit.
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