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Posted to dev@drill.apache.org by "Aman Sinha (JIRA)" <ji...@apache.org> on 2015/02/28 03:13:04 UTC

[jira] [Created] (DRILL-2347) Parallelize metadata reads for Parquet metadata

Aman Sinha created DRILL-2347:
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             Summary: Parallelize metadata reads for Parquet metadata
                 Key: DRILL-2347
                 URL: https://issues.apache.org/jira/browse/DRILL-2347
             Project: Apache Drill
          Issue Type: Improvement
          Components: Metadata
    Affects Versions: 0.7.0
            Reporter: Aman Sinha
            Assignee: Jacques Nadeau


During the planning process, reading the metadata from Parquet files is sequential, making the planning slow for large number of files.  This should be parallelized. 



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