Github user tejasapatil commented on a diff in the pull request: https://github.com/apache/spark/pull/13042#discussion_r62794873 --- Diff: common/network-common/src/main/java/org/apache/spark/network/util/JavaUtils.java --- @@ -79,14 +80,27 @@ 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 native way + if (SystemUtils.IS_OS_UNIX) { + try { + deleteRecursivelyForUnix(file); + return; + } catch (IOException e) { + // ignore and fall back to the Java native way + } + } + if (file.isDirectory() && !isSymlink(file)) { --- End diff -- done
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