presto-hive/src/main/java/io/prestosql/plugin/hive/metastore/SemiTransactionalHiveMetastore.java/Committer/executeDeletionTasksForFinish
class Committer:        private void executeDeletionTasksForFinish()
        {
            for (DirectoryDeletionTask deletionTask : deletionTasksForFinish) {
                if (!deleteRecursivelyIfExists(deletionTask.getContext(), hdfsEnvironment, deletionTask.getPath())) {
                    logCleanupFailure("Error deleting directory %s", deletionTask.getPath().toString());
                }
            }
        }