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Cache hits and misses

There are several types of cache hits and misses. Factors include whether data is present in the cache, whether the attribute cache timeout has been exceeded, and whether the file's attributes have changed.

When a client makes a read request, if the relevant block is cached in the FlexCache volume, the data is read directly from the FlexCache volume. This is called a cache hit. Cache hits are the result of a previous request.

A cache hit can be one of the following types:

If data is requested that is not currently on the FlexCache volume, or if requested data has changed since it was cached, the caching system loads the data from the origin system and then returns it to the requesting client. This is called a cache miss.

A cache miss can be one of the following types: