@BeforeClass
  public static void classLevelSetup() throws Exception {
    Map<String, String> overrides = new HashMap<>();
    overrides.put(MetastoreConf.ConfVars.EVENT_MESSAGE_FACTORY.getHiveName(),
        GzipJSONMessageEncoder.class.getCanonicalName());

    internalBeforeClassSetup(overrides, overrides, TestStatsReplicationScenariosNoAutogather.class,
            false, null);
  }
Tests statistics replication when statistics are collected using ANALYZE command.
itests/hive-unit/src/test/java/org/apache/hadoop/hive/ql/parse/TestStatsReplicationScenariosNoAutogather.java