[GitHub] [hadoop] ayushtkn commented on a change in pull request #2808: HADOOP-17531. DistCp: Reduce memory usage on copying huge directories. (#2732).

[GitBox <gi...@apache.org>]

ayushtkn commented on a change in pull request #2808:
URL: https://github.com/apache/hadoop/pull/2808#discussion_r600212994



##########
File path: hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/test/GenericTestUtils.java
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@@ -896,5 +916,132 @@ public static int getTestsThreadCount() {
     }
     return threadCount;
   }
+  /**
+   * Write the text to a file asynchronously. Logs the operation duration.
+   * @param fs filesystem
+   * @param path path
+   * @return future to the patch created.
+   */
+  private static CompletableFuture<Path> put(FileSystem fs,
+      Path path, String text) {
+    return submit(EXECUTOR, () -> {
+      try (DurationInfo ignore =
+          new DurationInfo(LOG, false, "Creating %s", path)) {
+        createFile(fs, path, true, text.getBytes(Charsets.UTF_8));

Review comment:
       Hey @aajisaka 
   This is actually a backport of https://github.com/apache/hadoop/pull/2732
   Will it be ok, if I merge this as is and raise a Addendum PR for trunk as well?




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