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From "Mikhail Khludnev (Commented) (JIRA)" <>
Subject [jira] [Commented] (SOLR-2386) Filter Query Cache Improvement
Date Fri, 09 Dec 2011 11:56:40 GMT


Mikhail Khludnev commented on SOLR-2386:

Doesn't it related to
? For me it looks like if we will have both clauses cached then implement in-flight OrFilter(DocSet,
DocSet) not a big deal.
> Filter Query Cache Improvement
> ------------------------------
>                 Key: SOLR-2386
>                 URL:
>             Project: Solr
>          Issue Type: Improvement
>    Affects Versions: 3.2, 4.0
>            Reporter: Frederik Kraus
>            Priority: Minor
> Currently logically identical filter queries are not reduced to one query, but processed
and cached individually.
> In terms of cache "keys" the following two, logically identical queries, each have a
different key:
> fq=id:12345 OR id:54321
> vs
> fq=id:54321 OR id:12345
> Internally both queries should be stored and requested by/from the cache as fq=id:(12345
OR 54321) i.e. the clauses in BooleanQuery should be sorted.
> Not sure where this would fit best. Lucene/BooleanQuery looks like a natural place to
do this sort, but might be more a solr optimization?

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