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From Apache Wiki <>
Subject [Solr Wiki] Update of "SolrCaching" by JayHill
Date Thu, 08 Oct 2009 18:56:18 GMT
Dear Wiki user,

You have subscribed to a wiki page or wiki category on "Solr Wiki" for change notification.

The "SolrCaching" page has been changed by JayHill:

  The ''current'' Index Searcher serves requests and when a ''new'' searcher is opened, the
new one is auto-warmed while the current one is still serving external requests. When the
new one is ready, it will be ''registered'' as the ''current'' searcher and will handle any
new search requests.  The old searcher will be closed after all request it was servicing finish.
  The current Searcher is used as the source of auto-warming. When a new searcher is opened,
its caches may be prepopulated or "autowarmed" using data from caches in the old searcher.
  There are currently two cache implementations &#151; (LRU = Least
Recently Used in memory), and
+ <!> [[Solr1.4]] FastLRUCache is a 1.4 feature
  = Common Cache Configuration Parameters =

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