reconciler

• Status reports are sent during four events : at the start of each user table being processed for upload , at the start of each user table being processed for download , when the reconciler is started , and whenever the reconciler " percent complete " value is updated
  有四种事件在发生过程中会发送状态报告：开始每个用户表的上载过程时；开始每个用户表的下载过程时；启动协调器时；更新协调器的“完成百分比”值时。