Vinitha Reddy Gankidi created SPARK-22196:
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Summary: Combine multiple input splits into HadoopPartition
Key: SPARK-22196
URL: https://issues.apache.org/jira/browse/SPARK-22196
Project: Spark
Issue Type: Improvement
Components: Spark Core
Affects Versions: 2.2.0
Reporter: Vinitha Reddy Gankidi
Spark native read path allows tuning the partition size based on
spark.sql.files.maxPartitionBytes and spark.sql.files.openCostInBytes. It would
be useful to add a similar functionality/behavior to HadoopRDD, i.e, pack
multiple input splits into a single partition based on maxPartitionBytes and
openCostInBytes. We have had several use-cases to merge small files by
coalescing them by size to reduce the number of tasks launched.
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