zhuangchong edited a comment on issue #3592:
URL: 
https://github.com/apache/incubator-dolphinscheduler/issues/3592#issuecomment-680411748


   Alter server only supports one node deployment. In the source code, the 
knowledge base database table is queried circularly, and updated after success. 
At present, this mode does not support multiple alter server instances
   
   Idea: you can add a status identifier to each record in the database table 
to be queried, alerted, etc., so that multiple alter server instances can be 
started
   
   ---
   
   Alter server只支持一个节点部署,源码里面是循环查询知识库数据库表,成功之后更新。这种模式目前是不支持多个Alter server实例.
   
   想法:可以在数据库表里面每条记录增加一个状态标识,被查询、被告警...,这样可以启动多个Alter server实例.
   


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