[jira] [Created] (SOLR-16524) Index time hash partitioning

["Joel Bernstein (Jira)" <ji...@apache.org>]

Joel Bernstein created SOLR-16524:
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             Summary: Index time hash partitioning
                 Key: SOLR-16524
                 URL: https://issues.apache.org/jira/browse/SOLR-16524
             Project: Solr
          Issue Type: Improvement
      Security Level: Public (Default Security Level. Issues are Public)
            Reporter: Joel Bernstein


Both Streaming Expressions and Spark-Solr currently rely on the query time hash partitioning using the HashQParserPlugin. The query time hash partitioning, although extremely flexible, is also very slow when it build its initial filters. 

This ticket will add an indexing time hash partitioner that Streaming Expressions and Spark-solr will both be able to use.

When this ticket is complete I'll also update the ParallelStream and Spark-Solr to be able to use the index time partitioning rather than the HashQParserPlugin.

This is a stepping stone towards much more performant parallel distributed joins.



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