public String getNodeStatusWithReason(int nodeId) {
    return loadCache.getNodeStatusWithReason(nodeId);
  }
Safely get the specified Node's current status with reason.

@param nodeId The specified NodeId
@return The specified Node's current status if the nodeCache contains it, Unknown otherwise
iotdb-core/confignode/src/main/java/org/apache/iotdb/confignode/manager/load/LoadManager.java