Github user srowen commented on a diff in the pull request:
https://github.com/apache/spark/pull/19460#discussion_r143572060
--- Diff:
sql/catalyst/src/test/scala/org/apache/spark/sql/catalyst/expressions/codegen/BufferHolderSuite.scala
---
@@ -37,3 +43,54 @@ class BufferHolderSuite extends SparkFunSuite {
assert(e.getMessage.contains("exceeds size limitation"))
}
}
+
+// A test for growing the buffer holder to nearly 2GB. Due to the heap
size limitation of the Spark
+// unit tests JVM, the actually test code is running as a submit job.
+class BufferHolderSparkSubmitSuite
--- End diff --
Separate file?
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