Caching Proxy Help

About Remote Cache Access

Remote Cache Access (RCA) provides a way to share cache content among caching proxies. In many scenarios, multiple proxies are deployed near (in network terms) to each other. Each proxy has its own cache, and if the cached data cannot be shared, this results in wasted cache space because multiple copies of the same document might be stored in different caches. Also, since each cache is smaller than the sum of all the disks, the cache hit rate is lower (due to the smaller cache size).

RCA allows multiple proxy servers to cooperate to form cache arrays. Using RCA, multiple proxy servers can distribute the cache contents across one combined logical cache to improve hit rates and reduce redundancy of cached content.

Using the Remote Cache Access configuration page, you can define a remote cache array and assign member proxies to the array. Once defined, member proxies are able to share cache content with all members of the array.

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