public String getConsensusGroupIdStr() {
    return consensusGroupId.toString();
  }
Reset all data to initial status and set connectorRebootTimes properly. This method is called
when receiver identifies connector has rebooted.
iotdb-core/datanode/src/main/java/org/apache/iotdb/db/pipe/receiver/protocol/pipeconsensus/PipeConsensusReceiver.java