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Memcached

Auto-Discovery
Health Check
Metrics
Logs

Agent uses a Memcached check if the service listen on port 11211.

If some auto-detected parameters are wrong, you can manually override them by adding the following to /etc/glouton/conf.d/99-local.conf:

service:
  [...]


  # For a Memcached running outside a container
  - type: "memcached"
    address: "127.0.0.1"
    port: 11211


  # For a Memcached running outside a container
  - type: "memcached"
    instance: "NAME_ASSOCIATED_WITH_YOUR_ADDITIONAL_SERVICE"
    address: "127.0.0.1"
    port: 11212


  # For a Memcached running in a Docker container
  - type: "memcached"
    instance: "CONTAINER_NAME"
    address: "172.17.0.2"
    port: 11211

Agent gathers the following metrics:

Metric Description
service_status Status of Memcached
memcached_command_get Number of get request per second
memcached_command_set Number of set request per second
memcached_connections_current Number of client connection to Memcached
memcached_items_current Current number of items stored
memcached_octets_rx Network traffic received by Memcached in bytes per second
memcached_octets_tx Network traffic sent by Memcached in bytes per second
memcached_ops_cas_hits Number of successful CAS (Check-And-Set) request per second
memcached_ops_cas_misses Number of CAS (Check-And-Set) request against missing keys per second
memcached_ops_decr_hits Number of successful decr request per second
memcached_ops_decr_misses Number of decr request against missing keys per second
memcached_ops_delete_hits Number of successful delete request per second
memcached_ops_delete_misses Number of delete request against missing keys per second
memcached_ops_evictions Number of valid items removed from cache to free memory for new items per second
memcached_ops_get_hits Number of successful get request per second
memcached_ops_get_misses Number of get request against missing keys per second
memcached_ops_incr_hits Number of successful incr request per second
memcached_ops_incr_misses Number of incr request against missing keys per second
memcached_ops_touch_hits Number of successful touch request per second
memcached_ops_touch_misses Number of touch request against missing keys per second
memcached_percent_hitratio Hit ratio of get request in percent
memcached_ps_count_threads Number of worker threads
memcached_uptime Time spent since Memcache server start in seconds