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https://issues.apache.org/jira/browse/SOLR-7044?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14293769#comment-14293769
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Yonik Seeley commented on SOLR-7044:
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I'm thinking an internal interface along the lines of:
{code}
interface ApproximationIterator {
public DocIdSetIterator getApproximation() throws IOException;
public boolean matches() throws IOException;
}
{code}
This won't be *public*, but just internal implementation for Solr to accelerate
certain queries/filters. When lucene comes up with an acceptable alternative
to LUCENE-6198, we can look at switching to that.
> optimize conjunctions and slow uncached filters
> -----------------------------------------------
>
> Key: SOLR-7044
> URL: https://issues.apache.org/jira/browse/SOLR-7044
> Project: Solr
> Issue Type: Improvement
> Reporter: Yonik Seeley
> Fix For: 5.1
>
>
> Using the ideas from LUCENE-6198 (which has been closed), we can speed up
> certain slow filters or boolean query conjunctions by supporting two phase
> intersections.
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