Johnny W. created SPARK-15247:
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Summary: sqlCtx.read.parquet yields at least n_executors * n_cores
tasks
Key: SPARK-15247
URL: https://issues.apache.org/jira/browse/SPARK-15247
Project: Spark
Issue Type: Bug
Components: SQL
Affects Versions: 1.6.0
Reporter: Johnny W.
sqlCtx.read.parquet always yields at least n_executors * n_cores tasks, no
matter how small the input file is.
This issue can increase the latency for small jobs.
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