May 172013
 

For an interesting opinion on Solr implementations search for ‘The Seven Deadly Sins of Solr’.

Quick kill basic Solr cache tuning parameters for an operational instance of apachesolr-3.6.2 in ‘solr/conf/solrconfig.xml’ could be as follows:

 <filterCache class="solr.FastLRUCache"
 size="16384"
 initialSize="4096"
 autowarmCount="4096"/>

 <queryResultCache class="solr.LRUCache"
 size="16384"
 initialSize="4096"
 autowarmCount="4096"/>

 <documentCache class="solr.LRUCache"
 size="16384"
 initialSize="4096"
 autowarmCount="4096"/>

Sources:

http://wiki.apache.org/solr/SolrCaching
http://e-mats.org/2009/06/how-to-make-solr-go-45-faster/
http://h3x.no/2011/05/10/guide-solr-performance-tuning

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