The NGINX HTTP Server
[ 142 ]Directive Explanation
fastcgi_cache_bypass One or more string variables, which when
non-empty or non-zero, will cause the
response to be taken from the FastCGI
server instead of the cache.
fastcgi_cache_key A string used as the key for storing and
retrieving cache values.
fastcgi_cache_lock Enabling this directive will prevent multiple
requests from making an entry into the
same cache key.
fastcgi_cache_lock_timeout The length of time a request will wait for
an entry to appear in the cache or for the
fastcgi_cache_lock to be released.
fastcgi_cache_min_uses The number of requests for a certain key
needed before a response is cached.
fastcgi_cache_path A directory in which to place the cached
responses and a shared memory zone
(keys_zone = name:size) to store active
keys and response metadata. Optional
parameters are:- levels: Colon-separated length of
subdirectory name at each level (one
or two), maximum of three levels
deep - inactive: The maximum length of
time an inactive response stays in the
cache before being ejected - max_size: The maximum size of
the cache; when the size exceeds
this value, a cache manager process
removes the least recently used items - loader_files: The maximum
number of cached files whose
metadata are
loaded per iteration of the
cache loader process - loader_sleep: The number of
milliseconds paused between each
iteration of the cache loader process - loader_threshold: The maximum
length of time a cache loader iteration
may take