memcached-tool is a command-line utility that comes with the Memcached package. It provides various statistics and information about a running Memcached instance, such as the number of active connections, cache hit rates, and memory usage.
To use memcached-tool, you need to have Memcached installed on your system first. The location of memcached-tool may vary depending on your operating system and how you installed Memcached.
On Linux systems, memcached-tool is usually installed along with the Memcached service. You can check if memcached-tool is available by running the following command:
which memcached-tool
If memcached-tool is installed, this command will output the path to the executable. For example:
/usr/bin/memcached-tool
If memcached-tool is not installed, you can usually install it using your distribution's package manager. For example, on Ubuntu or Debian-based systems, you can install memcached-tool by running:
sudo apt-get update
sudo apt-get install libmemcached-tools
Once installed, you can use memcached-tool to monitor and manage your Memcached instance. Here are some examples of commands you can run:
To get general statistics about the running Memcached instance:
memcached-tool <memcached-host>:<memcached-port> stats
To get detailed statistics for a specific Memcached key:
memcached-tool <memcached-host>:<memcached-port> dump <key>
To view the contents of the entire Memcached cache:
memcached-tool <memcached-host>:<memcached-port> dump
Dragonfly is fully compatible with the Redis ecosystem and requires no code changes to implement.