Github user marmbrus commented on a diff in the pull request:
https://github.com/apache/spark/pull/6882#discussion_r32858636
--- Diff:
sql/hive/src/main/scala/org/apache/spark/sql/hive/execution/ScriptTransformation.scala
---
@@ -173,7 +171,13 @@ case class ScriptTransformation(
}
outputStream.close()
}
- }).start()
+ }, "Thread-ScriptTransformation-Feed").start()
+
+ // Consume the error stream from the pipeline, otherwise it will be
blocked if
+ // the pipeline is full.
+ new RedirectThread(errorStream, // input stream from the pipeline
+ new CircularBuffer(), // output to a circular buffer
--- End diff --
Shouldn't we hold on to this and print it if the forked program exits with
a non-zero exit code?
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