fuel-plugin-lma-collector/doc/user/source/metrics/memcached.rst

• memcached_command_flush, the cumulative number of flush reqs.
• memcached_command_get, the cumulative number of retrieval reqs.
• memcached_command_set, the cumulative number of storage reqs.
• memcached_command_touch, the cumulative number of touch reqs.
• memcached_connections_current, the number of open connections.
• memcached_df_cache_free, the current number of free bytes to store items.
• memcached_df_cache_used, the current number of bytes used to store items.
• memcached_items_current, the current number of items stored.
• memcached_octets_rx, the total number of bytes read by this server from the network.
• memcached_octets_tx, the total number of bytes sent by this server to the network.
• memcached_ops_decr_hits, the number of successful decr reqs.
• memcached_ops_decr_misses, the number of decr reqs against missing keys.
• memcached_ops_evictions, the number of valid items removed from cache to free memory for new items.
• memcached_ops_hits, the number of keys that have been requested.
• memcached_ops_incr_hits, the number of successful incr reqs.
• memcached_ops_incr_misses, the number of successful incr reqs.
• memcached_ops_misses, the number of items that have been requested and not found.
• memcached_percent_hitratio, the percentage of get command hits (in cache).
• memcached_ps_cputime_syst, the percentage of CPU time spent in system mode by memcached. It can be greater than 100% when the node has more than one CPU.
• memcached_ps_cputime_user, the percentage of CPU time spent in user mode by memcached. It can be greater than 100% when the node has more than one CPU.

For details, see the Memcached documentation.