private void appendDeleteFamilyBloomFilter(final ExtendedCell cell) throws IOException {
      if (!PrivateCellUtil.isDeleteFamily(cell) && !PrivateCellUtil.isDeleteFamilyVersion(cell)) {
        return;
      }

      // increase the number of delete family in the store file
      deleteFamilyCnt++;
      if (this.deleteFamilyBloomFilterWriter != null) {
        deleteFamilyBloomContext.writeBloom(cell);
      }
    }
Record the earlest Put timestamp. If the timeRangeTracker is not set, update TimeRangeTracker
to include the timestamp of this key
hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/StoreFileWriter.java