It's a header written during serialization I'll add a comment/link to https://github.com/apache/hive/blob/master/storage-api/src/java/org/apache/hive/common/util/BloomKFilter.java#L302 or see if I can find a better way to get this information
[ Full content available at: https://github.com/apache/incubator-druid/pull/6397 ] This message was relayed via gitbox.apache.org for devnull@infra.apache.org
