<property> <name>hbase.regionserver.class</name> <value>org.apache.hadoop.hbase.ipc.TransactionalRegionInterface</value> </property> <property> <name>hbase.regionserver.impl</name> <value>org.apache.hadoop.hbase.regionserver.transactional.TransactionalRegionServer</value> </property> <property> <name>hbase.regionserver.hlog.keyclass</name> <value>org.apache.hadoop.hbase.regionserver.transactional.