public FSDataInputStream open(Path f, int bufferSize) throws IOException {
    try (Closeable context = new TimerContextWithLog(this.openTimer.time(), "open", f, bufferSize)) {
      return super.open(f, bufferSize);
    }
  }
public FSDataInputStream open ( Path f , int bufferSize ) throws IOException { try ( Closeable context = new TimerContextWithLog ( this . openTimer . time ( ) , "open" , f , bufferSize ) ) { return super . open ( f , bufferSize ) ; } }
Add timer metrics to {@link DistributedFileSystem#open(Path, int)}