chamilo-lms2/app/config/sonata/sonata_cache.yml

#
# more information can be found here http://sonata-project.org/bundles/cache
#
#sonata_cache:
#    caches:
#        esi:
#            servers:
#                - varnishadm -T 127.0.0.1:2000 {{ COMMAND }} "{{ EXPRESSION }}"
#
#        ssi:
#            token: TheToken
#
#        mongo:
#            database:   cache
#            collection: cache
#            servers:
#                - {host: 127.0.0.1, port: 27017, user: username, password: pASS'}
#                - {host: 127.0.0.2}
#
#        memcached:
#            prefix: test     # prefix to ensure there is no clash between instances
#            servers:
#                - {host: 127.0.0.1, port: 11211, weight: 0}
#
#        predis:
#            servers:
#                - {host: 127.0.0.1, port: 11211, database: 6379}
#
#        apc:
#            token:  s3cur3   # token used to clear the related cache
#            prefix: test     # prefix to ensure there is no clash between instances
#            servers:
#                - { domain: kooqit.local, ip: 127.0.0.1, port: 80}