: > For real time seach, the docs would be import to index anytime. In this
: > case, the cache is nealy always need to create again, which cause the facet
: > seach is very slowly.
: > Do you have any idea to deal with such problem?

: We're in a similar situation and have had better performance using
: facet.method=fcs.
: 
: http://wiki.apache.org/solr/SimpleFacetParameters#facet.method

DocValues is another vey new option that may help improve the performance 
of faceting in NRT sitautions, because it eliminates the need to build the 
Field Cache...

        http://wiki.apache.org/solr/DocValues

...but there are caveats to using it (see wiki).


-Hoss

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