Github user rxin commented on a diff in the pull request:
https://github.com/apache/spark/pull/12243#discussion_r58988373
--- Diff:
sql/core/src/main/scala/org/apache/spark/sql/execution/datasources/FileScanRDD.scala
---
@@ -46,37 +50,80 @@ case class PartitionedFile(
*/
case class FilePartition(index: Int, files: Seq[PartitionedFile]) extends
Partition
+object FileScanRDD {
+ private val ioExecutionContext = ExecutionContext.fromExecutorService(
+ ThreadUtils.newDaemonCachedThreadPool("FileScanRDD", 16))
--- End diff --
we should set this to the total number of task slots on the executors,
shouldn't we?
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