Github user tejasapatil commented on a diff in the pull request:
https://github.com/apache/spark/pull/13042#discussion_r63051771
--- Diff:
common/network-common/src/main/java/org/apache/spark/network/util/JavaUtils.java
---
@@ -79,14 +81,32 @@ public static String bytesToString(ByteBuffer b) {
return Unpooled.wrappedBuffer(b).toString(StandardCharsets.UTF_8);
}
- /*
+ /**
* Delete a file or directory and its contents recursively.
* Don't follow directories if they are symlinks.
- * Throws an exception if deletion is unsuccessful.
+ *
+ * @param file Input file / dir to be deleted
+ * @throws IOException if deletion is unsuccessful
*/
public static void deleteRecursively(File file) throws IOException {
if (file == null) { return; }
+ // On Unix systems, use operating system command to run faster
+ // If that does not work out, fallback to the Java IO way
+ if (SystemUtils.IS_OS_UNIX) {
+ try {
+ deleteRecursivelyUsingUnixNative(file);
+ return;
+ } catch (IOException e) {
+ logger.warn("Attempt to delete using native Unix OS command failed
for path = {}. " +
+ "Falling back to Java IO way",
file.getAbsolutePath(), e);
+ }
+ }
+
+ deleteRecursivelyUsingJavaIO(file);
--- End diff --
- I kept it outside catch because we need to also take care of case when
the OS is non unix
- Reverted removing the blank line near the end of file
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