private void reloadConsensusProps(TrimProperties properties) throws IOException {
    loadIoTConsensusProps(properties);
    loadIoTConsensusV2Props(properties);
    DataRegionConsensusImpl.reloadConsensusConfig();
  }
load a property file and set TsfileDBConfig variables.
iotdb-core/datanode/src/main/java/org/apache/iotdb/db/conf/IoTDBDescriptor.java