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From Apache Wiki <>
Subject [Solr Wiki] Update of "NearRealtimeSearch" by JasonRutherglen
Date Mon, 19 Oct 2009 23:34:51 GMT
Dear Wiki user,

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

The "NearRealtimeSearch" page has been changed by JasonRutherglen.


New page:
<!> [[Solr1.5]]

= What is Near Realtime Search? =

Please see

= Solr and NRT =

  * Lucene 2.9 has added some NRT capabilities such as loading field caches per segment and
carrying deletes over in RAM.  

  * Solr needs to cache filters per segment (see SOLR-1308) and replicate segments RAM ->
RAM in order to scale effectively (see SOLR-1278).

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