LiuGuH commented on code in PR #6463:
URL: https://github.com/apache/hadoop/pull/6463#discussion_r1469037519
##########
hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-jobclient/src/test/java/org/apache/hadoop/hdfs/NNBench.java:
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@@ -134,27 +143,59 @@ private void cleanupBeforeTestrun() throws IOException {
*
* @throws IOException on error
*/
- private void createControlFiles() throws IOException {
+ private void createControlFiles() {
LOG.info("Creating " + numberOfMaps + " control files");
+ List<Future<Void>> list = new ArrayList<>();
for (int i = 0; i < numberOfMaps; i++) {
String strFileName = "NNBench_Controlfile_" + i;
Path filePath = new Path(new Path(baseDir, CONTROL_DIR_NAME),
strFileName);
+ Future<Void> future = executorService.submit(new
CreateControlFile(strFileName, filePath, i));
+ list.add(future);
+ }
+
+ for (int i = 0; i < list.size(); i++) {
+ try {
+ list.get(i).get();
+ } catch (InterruptedException | ExecutionException e) {
+ LOG.error("Creating control files Error.", e);
+ }
+ }
+
+ executorService.shutdown();
Review Comment:
Done. Thanks.
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