mcvsubbu commented on a change in pull request #7547:
URL: https://github.com/apache/pinot/pull/7547#discussion_r725271914



##########
File path: 
pinot-segment-local/src/test/java/org/apache/pinot/segment/local/segment/index/reader/FixedByteWidthRowColDataFileReaderTest.java
##########
@@ -87,7 +86,6 @@ void testMultiCol()
     dos.flush();
     dos.close();
     RandomAccessFile raf = new RandomAccessFile(f, "rw");
-//    System.out.println("file size: " + raf.getChannel().size());

Review comment:
       presumably this (and some of the other perhaps) is to be able to debug 
the test if there is an intermittent failure introduced due to randomness. If 
you can move the sys.out to print out the seed of the Random object created, 
then we are good. If the test ever fails, we can manually re-seed the Random 
object and run it to reproduce the failure.
   If it is never printed out, we will have a hard time debugging the random 
failures, so it is needed.




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