https://hbase.apache.org/2.4/testdevapidocs/org/apache/hadoop/hbase/util/RedundantKVGenerator.html
RedundantKVGenerator (Apache HBase 2.4.0 Test API)
apache hbasetestapi
https://hbase.apache.org/2.3/testdevapidocs/org/apache/hadoop/hbase/util/RedundantKVGenerator.ExtendedOffheapKeyValue.html
RedundantKVGenerator.ExtendedOffheapKeyValue (Apache HBase 2.3.0 Test API)
apache hbasetestapi