Github user srowen commented on a diff in the pull request:
https://github.com/apache/spark/pull/8843#discussion_r39933628
--- Diff:
core/src/main/java/org/apache/spark/util/collection/unsafe/sort/UnsafeSorterSpillReader.java
---
@@ -73,7 +76,9 @@ public void loadNext() throws IOException {
numRecordsRemaining--;
if (numRecordsRemaining == 0) {
in.close();
- file.delete();
+ if (!file.delete()) {
+ logger.error("Unable to delete spill file {}", file.getPath());
--- End diff --
That grep assumes the `File` reference name ends in "file". I see 20-30
non-test usages of the method. It may not be worth logging a warning for every
possible failure, but worth surveying the usages to see if any really ought to
log something in case it doesn't delete.
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