private void logProcessOneSlice(int stripeIx, Object diskData, StripeData cacheData) {
    if (LlapIoImpl.LOG.isDebugEnabled()) {
      String sliceStr = cacheData == null ? "null" : cacheData.toCoordinateString();
      LlapIoImpl.LOG.debug("Processing slice #" + stripeIx + " " + sliceStr + "; has"
        + ((cacheData == null) ? " no" : "") + " cache data; has"
        + ((diskData == null) ? " no" : "") + " disk data");
    }
  }
Unlike the other overload of processOneSlice, doesn't cache data.
llap-server/src/java/org/apache/hadoop/hive/llap/io/encoded/SerDeEncodedDataReader.java