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Thunderstone Search Appliance Manual

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Results Cache

  The Results Caching profile tool allows management of the results cache for the profile. If enabled (here), the results cache can improve search response time by caching frequently used search results: if a later query is made with the same query string parameters, it may be found in the cache, thereby saving the time needed to run the query again.

On the Results Caching profile tool page, the status of the cache manager is reported (whether it is running, and what process ID). The cache manager runs in the background, deleting old entries and refreshing the cache if requested. The size of the cache table (if it exists) is also shown, both number of entries and size in bytes. Old entries are deleted as per the current Results Caching settings (here).

Several actions can be performed on the cache, if results caching is enabled:

Caveats: As results caching currently only takes into account the query string to differentiate requests, it should not be enabled under results authorization or other scenarios that utilize additional data (such as cookies or request headers) for search requests. The results cache is stored in the same database as the profile crawl data, so it is deleted and started anew for each New type crawl - just as the crawl data its results are based on starts anew with New type crawls. If a Refresh crawl is done that significantly changes the crawl, the cache should probably be cleared to avoid stale or out-of-date results; alternatively, the Max Cache Entry Age setting might be decreased.


Copyright © Thunderstone Software     Last updated: May 9 2017

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2017-12-11 10:08:17 EST