Kimahriman commented on a change in pull request #35085:
URL: https://github.com/apache/spark/pull/35085#discussion_r785446501
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File path:
core/src/main/java/org/apache/spark/shuffle/sort/io/LocalDiskShuffleMapOutputWriter.java
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@@ -88,6 +88,8 @@ public ShufflePartitionWriter getPartitionWriter(int
reducePartitionId) throws I
lastPartitionId = reducePartitionId;
if (outputTempFile == null) {
outputTempFile = Utils.tempFileWith(outputFile);
+ // SPARK-37618: Create the file as group writable so it can be deleted
by the shuffle service
+ Utils.createFileAsGroupWritable(outputTempFile);
Review comment:
TIL. Will update once figuring out the history behind
`createDirWithPermission770`
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