Cache


	Note Cache statistics may be non-zero even if all content sent to Content Gateway is not cacheable. Content Gateway performs a cache-read even if the client sends a no-cache control header.


Statistic	Description
	General
Bytes Used	Number of bytes currently used by the cache.
Cache Size	Number of bytes allocated to the cache.
	Ram Cache
Bytes	Total size of the RAM cache, in bytes.
Hits	Number of document hits from the RAM cache.
Misses	Number of document misses from the RAM cache. The documents may be hits from the cache disk.
	Reads
In Progress	Number of cache reads in progress (HTTP and FTP).
Hits	Number of cache reads completed since Content Gateway was started (HTTP and FTP).
Misses	Number of cache read misses since Content Gateway was started (HTTP and FTP).
	Writes
In Progress	Number of cache writes in progress (HTTP and FTP).
Successes	Number of successful cache writes since Content Gateway was started (HTTP and FTP).
Failures	Number of failed cache writes since Content Gateway was started (HTTP and FTP).
	Updates
In Progress	Number of HTTP document updates in progress. An update occurs when the Content Gateway revalidates an object, finds it to be fresh, and updates the object header.
Successes	Number of successful cache HTTP updates completed since Content Gateway was started.
Failures	Number of cache HTTP update failures since Content Gateway was started.
	Removes
In Progress	Number of document removes in progress. A remove occurs when the Content Gateway revalidates a document, finds it to be deleted on the origin server, and deletes it from the cache (includes HTTP and FTP removes).
Successes	Number of successful cache removes completed since Content Gateway was started (includes HTTP and FTP removes).
Failures	Number of cache remove failures since Content Gateway was started (includes HTTP and FTP removes).