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Posted to issues@spark.apache.org by "Genmao Yu (JIRA)" <ji...@apache.org> on 2016/11/09 11:08:59 UTC

[jira] [Created] (SPARK-18379) Make the parallelism of parallelPartitionDiscovery configurable.

Genmao Yu created SPARK-18379:
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             Summary: Make the parallelism of parallelPartitionDiscovery configurable. 
                 Key: SPARK-18379
                 URL: https://issues.apache.org/jira/browse/SPARK-18379
             Project: Spark
          Issue Type: Improvement
          Components: SQL
    Affects Versions: 2.0.1
            Reporter: Genmao Yu
            Priority: Minor


The largest parallelism in PartitioningAwareFileIndex #listLeafFilesInParallel() is 10000 in hard code. We may need to make this number configurable. And in PR, I reduce it to 100.



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