@Override
  public SystemAdmin getAdmin(String systemName, Config config) {
    MockSystemConsumerConfig consumerConfig = new MockSystemConsumerConfig(systemName, config);

    return new MockSystemAdmin(consumerConfig.getPartitionsPerStream());
  }
MockSystemFactory was built to make performance testing easier.
samza-test/src/main/java/org/apache/samza/system/mock/MockSystemFactory.java