attilapiros commented on pull request #31742:
URL: https://github.com/apache/spark/pull/31742#issuecomment-796436314
@nchammas
If I am right you found something which should be clarified better with the
documentation and tested directly with a unit test.
That will be a very good contribution.
To have checkpoint directory cleaned up at shutdown one can register the
directory to be deleted at exit:
```
FileSystem fs = FileSystem.get(conf);
fs.deleteOnExit(checkpointPath);
```
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