private void checkBucketId() throws IOException {
        isBucketPropertyRepeating = batch.cols[OrcRecordUpdater.BUCKET].isRepeating;
        if(isBucketPropertyRepeating) {
          int bucketPropertyFromRecord = (int)((LongColumnVector)
            batch.cols[OrcRecordUpdater.BUCKET]).vector[0];
          checkBucketId(bucketPropertyFromRecord);
        }
      }
number of events actually loaded in memory
ql/src/java/org/apache/hadoop/hive/ql/io/orc/VectorizedOrcAcidRowBatchReader.java