Github user tejasapatil commented on a diff in the pull request:

    https://github.com/apache/spark/pull/13042#discussion_r63044500
  
    --- Diff: 
common/network-common/src/main/java/org/apache/spark/network/util/JavaUtils.java
 ---
    @@ -109,6 +129,40 @@ public static void deleteRecursively(File file) throws 
IOException {
         }
       }
     
    +  private static void deleteRecursivelyUsingUnixNative(File file) throws 
IOException {
    +    final ProcessBuilder builder = new ProcessBuilder("rm", "-rf", 
file.getAbsolutePath());
    +    Process process = null;
    +    int exitCode = -1;
    +
    +    try {
    +      // Merge error stream of the process with its stdout
    +      // Later stdout to be consumed using {@link Process#getInputStream()}
    +      builder.redirectErrorStream(true);
    +
    +      process = builder.start();
    +
    +      // In order to avoid deadlocks, consume the stdout (and stderr) of 
the process
    +      final BufferedInputStream in = new 
BufferedInputStream(process.getInputStream());
    --- End diff --
    
    changed


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