Just as a quick check, you are looking to setup Kerberos between the Kudu master, tablet servers and Kudu client yes? (i.e. Not Kerberos authentication from a user client via Impala, as this is not setup here.)   If so, have you setup the keytab requirements etc. as per: https://www.cloudera.com/documentation/enterprise/5-13-x/topics/kudu_security.html#concept_syg_k35_lz__section_zk2_j45_lz ? ... View more