oslo.cache uses oslo.config to define and manage configuration options to allow the deployer to control how an application uses this library.
config_prefix
Type: string Default: cache.oslo Prefix for building the configuration dictionary for the cache region. This should not need to be changed unless there is another dogpile.cache region with the same configuration name.
expiration_time
Type: integer Default: 600 Default TTL, in seconds, for any cached item in the dogpile.cache region. This applies to any cached method that doesn’t have an explicit cache expiration time defined for it.
backend
Type: string Default: dogpile.cache.null Dogpile.cache backend module. It is recommended that Memcache with pooling (oslo_cache.memcache_pool) or Redis (dogpile.cache.redis) be used in production deployments. Small workloads (single process) like devstack can use the dogpile.cache.memory backend.
backend_argument
Type: multi-valued Default: Arguments supplied to the backend module. Specify this option once per argument to be passed to the dogpile.cache backend. Example format: “<argname>:<value>”.
proxies
Type: list Default: Proxy classes to import that will affect the way the dogpile.cache backend functions. See the dogpile.cache documentation on changing-backend-behavior.
enabled
Type: boolean Default: false Global toggle for caching.
debug_cache_backend
Type: boolean Default: false Extra debugging from the cache backend (cache keys, get/set/delete/etc calls). This is only really useful if you need to see the specific cache-backend get/set/delete calls with the keys/values. Typically this should be left set to false.
memcache_servers
Type: list Default: localhost:11211 Memcache servers in the format of “host:port”. (dogpile.cache.memcache and oslo_cache.memcache_pool backends only).
memcache_dead_retry
Type: integer Default: 300 Number of seconds memcached server is considered dead before it is tried again. (dogpile.cache.memcache and oslo_cache.memcache_pool backends only).
memcache_socket_timeout
Type: integer Default: 3 Timeout in seconds for every call to a server. (dogpile.cache.memcache and oslo_cache.memcache_pool backends only).
memcache_pool_maxsize
Type: integer Default: 10 Max total number of open connections to every memcached server. (oslo_cache.memcache_pool backend only).
memcache_pool_unused_timeout
Type: integer Default: 60 Number of seconds a connection to memcached is held unused in the pool before it is closed. (oslo_cache.memcache_pool backend only).
memcache_pool_connection_get_timeout
Type: integer Default: 10 Number of seconds that an operation will wait to get a memcache client connection.