Sital Kedia created SPARK-13958:
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Summary: Executor OOM due to unbounded growth of pointer array in
Sorter
Key: SPARK-13958
URL: https://issues.apache.org/jira/browse/SPARK-13958
Project: Spark
Issue Type: Bug
Affects Versions: 1.6.1
Reporter: Sital Kedia
While running a job we saw that the executors are OOMing because in
UnsafeExternalSorter's growPointerArrayIfNecessary function, we are just
growing the pointer array indefinitely.
https://github.com/apache/spark/blob/master/core/src/main/java/org/apache/spark/util/collection/unsafe/sort/UnsafeExternalSorter.java#L292
This is a regression introduced in PR-
https://github.com/apache/spark/pull/11095
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