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Posted to dev@lucene.apache.org by "Yonik Seeley (JIRA)" <ji...@apache.org> on 2017/04/22 22:34:04 UTC

[jira] [Created] (SOLR-10552) numBuckets is not consistent between distrib and non-distrib requests

Yonik Seeley created SOLR-10552:
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             Summary: numBuckets is not consistent between distrib and non-distrib requests
                 Key: SOLR-10552
                 URL: https://issues.apache.org/jira/browse/SOLR-10552
             Project: Solr
          Issue Type: Bug
      Security Level: Public (Default Security Level. Issues are Public)
            Reporter: Yonik Seeley


The main problem is mincount... in a non-distrib query, numBuckets reflects the number of buckets that are screened out after mincount is applied.  In distributed mode, we can't do this (or rather, the only way to do it would be to tramsmit all bucket counts to an aggregator node).

We should perhaps just make numBuckets always pre-mincount to be consistent, and use hyper-log-log by default?



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