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Tech:Memcached
Memcached is used for object and session caching. Memcached is currently installed on mem151 and mem161.
Commands
flush_all
This will flush all keys from the database storage and can be helpful for in-house debugging or resolving issues. The command should be run sparingly, like its child flush_all. You can also specify how long it can take (in seconds) to run, for example flush_all 900.
get
This can be used to fetch the listed key. This does not support regex. It must be the exact key. Example: get saldanwiki:matomo:id.
set
This can be used to set a key with a value. Example set saldanwiki:matomo:id 0 4 12.
delete
This can be used to delete a key. Example delete saldanwiki:matomo:id.
stats
Used to display general stats about the memcached instance.
Note: You can get all keys via PHP there’s currently no easy way to do it just with TCP.
Running
There are multiple ways to connect to memcached and run commands. PHP or via TCP.
To use TCP, run the following:
telnet 127.0.0.1 11211
Then follow #Commands.
You can do it via PHP by following and the docs.