public boolean getCheckpointManagerConsumerStopAfterFirstRead() {
    return getBoolean(INTERNAL_CHECKPOINT_MANAGER_CONSUMER_STOP_AFTER_FIRST_READ, true);
  }
Internal config to indicate whether the SystemConsumer underlying a CheckpointManager should be stopped after
initial read of checkpoints.
samza-core/src/main/java/org/apache/samza/config/TaskConfig.java