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Cache::Bounded 1.03

  Date Added: July 01, 2010  |  Visits: 548

Cache::Bounded

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Cache::Bounded is a size-aware in-memory cache optimized for speed. SYNOPSIS Cache::Bounded is designed for caching items into memory in a very fast but rudimentarily size-aware fashion. Most intelligent caches take either a size-aware or use-aware approach. They do so by either anlysing the size of all the elements in the cache or their frequency of usage before determining which elements to drop from the cache. Unfortunately, the processing overhead for this logic (usually applied on insert) will often slow these caches singnificantly when frequent insertions are needed. This module was designed address when this speed-penalty becomes a problem. Specifically, it is a rudimentarily size-aware cache that is optimized to be very fast. For its size analysis, this module merely checks the number of elements in the cache against a raw size limit. (The default limit is 500,000) Additionally, to aid speed, the "size" check doesnt occur on every insertion. Only after a count of a certain number of insertions (default 1,000) is the size check performed. If the size limit has been exceeded, the entire cache is purged. (Since there is no usage analysis, there is no other logical depreciation that can be applied) This produces a very fast in-memory cache that you can tune to approximate size based upon your data elements. USAGE my $cache = new Cache::Bounded; $cache->set($key,$value); my $value = $cache->get($key);.

Requirements: No special requirements
Platforms: Linux
Keyword: Cache Cachebounded Elements Libraries Optimized Programming Size
Users rating: 0/10

License: Freeware Size: 4.1 KB
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