Kimahriman commented on a change in pull request #35085:
URL: https://github.com/apache/spark/pull/35085#discussion_r785457117
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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:
Updated to creating the sub dirs with group write using the create then
change permissions with PosixFilePermissions approach
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