static boolean isAuthRenewalChoreEnabled(Configuration conf) {
    return conf.getBoolean(HBASE_CLIENT_AUTOMATIC_KEYTAB_RENEWAL_KEY,
      HBASE_CLIENT_AUTOMATIC_KEYTAB_RENEWAL_DEFAULT);
  }
Returns true if the chore to automatically renew Kerberos tickets (from keytabs) should be
started. The default is true.
hbase-common/src/main/java/org/apache/hadoop/hbase/AuthUtil.java