@Override
      public String getBytesAsString() {
        if (bytes == null) {
          return "null";
        }
        StringBuilder sb = new StringBuilder();
        int len = getLength();
        for (int i = 0; i < len; i++) {
          sb.append(bytes[i]).append(", ");
        }
        return sb.toString();
      }
Used to initialize a new disk entry
geode-core/src/main/java/org/apache/geode/internal/cache/entries/DiskEntry.java