Memcached is High Performance, Distributed Memory Object Cache
- Dockerfile - build container image with memcached.
- openshift-template.yml - Template for OpenShift to memcached.
Command for running memcached docker container:
docker run -it -e CACHE_SIZE=128 \
-p 11211:11211
If you would like to increase a CACHE_SIZE use environment variable -e CACHE_SIZE:
docker run -it -e CACHE_SIZE=128 \
-p 11211:11211
Copy memcached-container.service to /usr/lib/systemd/user/
directory
sudo cp memcached-container.service /usr/lib/systemd/user/
systemctl --user daemon-reload
Command for running memcached as standalone container:
systemctl start --user memcached-container
Command for stopping memcached as standalone container:
systemctl stop --user memcached-container
Commands for testing memcached docker container:
To store data in memcached server with telnet:
set KEY META_DATA EXPIRY_TIME LENGTH_IN_BYTES
To get data
get KEY
To overwrite existing key
replace KEY META_DATA EXPIRE_TIME LENGTH_IN_BYTES
To delete key
delete KEY
To get the server statistics
stats
stats items
stats slabs
To clear the metadata statistics
flush all
Memcached Server Telnet Example (taken from http://www.journaldev.com/16/memcached-telnet-commands-with-example)
set Test 0 100 10
JournalDev
STORED
get Test
VALUE Test 0 10
JournalDev
END
replace Test 0 100 4
Temp
STORED
get Test
VALUE Test 0 4
Temp
END
stats items
STAT items:1:number 1
STAT items:1:age 19
STAT items:1:evicted 0
STAT items:1:evicted_time 0
STAT items:1:outofmemory 0
STAT items:1:tailrepairs 0
END
flush_all
OK
get Test
END
version
VERSION 1.4.25
quit