Jörg Hoh created SLING-6635:
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Summary: Implement LRU Cache for SlingServletResolver
Key: SLING-6635
URL: https://issues.apache.org/jira/browse/SLING-6635
Project: Sling
Issue Type: Improvement
Components: Servlets
Affects Versions: Servlets Resolver 2.4.10
Reporter: Jörg Hoh
During the servlet resolution all results are stored for later reuse in a
ConcurrentHashMap. In parallel the maximum cache size is configured and always
controlled.
If this max cachesize is reached, no more results are stored in the hashmap; if
the load pattern has changed, this could result in a case, that many/all
servlet resolutions are no longer stored in cache.
It would be good, if the cache employs a LRU strategy to keep often resolved
AbstractResourceCollectors in cache and avoid the penalty of cache misses.
Limiting the cache size would still be useful and required.
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