saxenapranav commented on code in PR #6617:
URL: https://github.com/apache/hadoop/pull/6617#discussion_r1522580484


##########
hadoop-tools/hadoop-azure/src/test/java/org/apache/hadoop/fs/azurebfs/services/ITestAbfsInputStreamReadFooter.java:
##########
@@ -322,28 +434,52 @@ private void testPartialReadWithNoData(final FileSystem 
fs,
 
   @Test
   public void testPartialReadWithSomeData() throws Exception {
-    for (int i = 0; i <= 4; i++) {
-      for (int j = 0; j <= 2; j++) {
-        int fileSize = (int) Math.pow(2, i) * 256 * ONE_KB;
-        int footerReadBufferSize = (int) Math.pow(2, j) * 256 * ONE_KB;
-        final AzureBlobFileSystem fs = getFileSystem(true,
-            fileSize, footerReadBufferSize);
-        String fileName = methodName.getMethodName() + i;
-        byte[] fileContent = getRandomBytesArray(fileSize);
-        Path testFilePath = createFileWithContent(fs, fileName, fileContent);
-        testPartialReadWithSomeData(fs, testFilePath,
-            fileSize - AbfsInputStream.FOOTER_SIZE, 
AbfsInputStream.FOOTER_SIZE,
-            fileContent, footerReadBufferSize);
+    int fileIdx = 0;
+    List<Future> futureList = new ArrayList<>();
+    for (int fileSize : FILE_SIZES) {
+      final int fileId = fileIdx++;
+      futureList.add(executorService.submit(() -> {
+        try (AzureBlobFileSystem spiedFs = createSpiedFs(
+            getRawConfiguration())) {
+          String fileName = methodName.getMethodName() + fileId;
+          byte[] fileContent = getRandomBytesArray(fileSize);
+          Path testFilePath = createFileWithContent(spiedFs, fileName,
+              fileContent);
+          testParialReadWithSomeData(spiedFs, fileSize, testFilePath,
+              fileContent);
+        } catch (Exception ex) {
+          throw new RuntimeException(ex);
+        }
+      }));
+    }
+    for (Future future : futureList) {
+      future.get();
+    }
+  }
+
+  private void testParialReadWithSomeData(final AzureBlobFileSystem spiedFs,
+      final int fileSize, final Path testFilePath, final byte[] fileContent)
+      throws IOException {
+    for (int readBufferSize : READ_BUFFER_SIZE) {
+      for (int footerReadBufferSize : FOOTER_READ_BUFFER_SIZE) {
+        changeFooterConfigs(spiedFs, true,
+            fileSize, footerReadBufferSize, readBufferSize);
+
+        testPartialReadWithSomeData(spiedFs, testFilePath,
+            fileSize - AbfsInputStream.FOOTER_SIZE,
+            AbfsInputStream.FOOTER_SIZE,
+            fileContent, footerReadBufferSize, readBufferSize);
       }
     }
   }
 
   private void testPartialReadWithSomeData(final FileSystem fs,

Review Comment:
   Taken. Refactored the names of non-test-entry methods.



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