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Posted to dev@lucene.apache.org by "Atri Sharma (JIRA)" <ji...@apache.org> on 2019/07/15 11:00:02 UTC

[jira] [Created] (LUCENE-8919) Query Metadata Aggregator

Atri Sharma created LUCENE-8919:
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             Summary: Query Metadata Aggregator
                 Key: LUCENE-8919
                 URL: https://issues.apache.org/jira/browse/LUCENE-8919
             Project: Lucene - Core
          Issue Type: Improvement
            Reporter: Atri Sharma


It would be good if there was a mechanism to allow aggregation of metadata for queries (eg, number of clauses, types of clauses, terms involved etc). This is particularly useful for complex queries with multiple levels of nesting and a high degree of branching. This should help debug query performance issues and draw patterns in case a query is misbehaving. With the QueryVisitor being present, this should be doable.



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