Memcached Monitoring - Atatus Docs

Memcached is an open source, high-performance, distributed memory object caching system. This plugin gathers memory usage, connections, evictions, etc.

Setup & Configuration

The Memcached plugin is included with the Atatus Infra agent by default, please follow the below section to enable.

Copy the Memcached example configuration file.

cd /etc/atatus-infra-agent/conf.d/memcached.d/
sudo cp memcached.yml.template memcached.yml

Update the file /etc/atatus-infra-agent/conf.d/memcached.d/memcached.yml with below configurations.
# Metrics section metrics: - hosts: ["localhost:11211"]

Restart the atatus infrastructure agent.

sudo service atatus-infra-agent restart

Metrics

Name	Description	Type
memcached.stats.connections.current	Number of open connections to this Memcached server, should be the same value on all servers during normal operation.	`long`
memcached.stats.read.bytes	Total number of bytes received from the network by this server.	`long`
memcached.stats.written.bytes	Total number of bytes send to the network by this server.	`long`
memcached.stats.cmd.get	Number of “get” commands received since server startup not counting if they were successful or not.	`long`
memcached.stats.cmd.set	Number of “set” commands serviced since startup.	`long`
memcached.stats.evictions	Number of objects removed from the cache to free up memory for new items because Memcached reached it’s maximum memory setting (limit_maxbytes).	`long`