private void unsetHeaders(int fromHeaderIx, int toHeaderIx, CasLog.Src src) {
      Arrays.fill(headers, fromHeaderIx, toHeaderIx, (byte)0);
      CasLog.logUnset(src, arenaIx, fromHeaderIx, toHeaderIx - 1);
    }
Unsets the headers (meaning this does not refer to a buffer).
llap-server/src/java/org/apache/hadoop/hive/llap/cache/BuddyAllocator.java