Fang Jin
I feel that sql component execution is called yarn 
ResourceManagerRest.html#Cluster_New_Application_API, if so, Why the 
YARN_RESTFUL_URL must be fixed in dss-links/conf/config.sh, and isn't it better 
to add the yarn_restful_url parameter to the sql component



Zhang Huajin
The Settings here are not final



The last one I used was from the database



yarn addresses can be multiple



Fang Jin
Which library which table? Can multiple yarn be selected?



It means that the YARN_RESTFUL_URL parameter configuration can specify more 
than one hadoop cluster at the same time, so it seems to point to the same 
hadoop cluster. If we want to point to different Hadoop clusters, can we 
support it?



Zhang Huajin
https://cwiki.apache.org/confluence/display/LINKIS/3.+Technology+Blog



https://cwiki.apache.org/confluence/plugins/servlet/mobile#content/view/235838391



Fang Jin
感觉sql组件执行时是调用的yarn的ResourceManagerRest.html#Cluster_New_Application_API吧,如果这样的话,为啥dss-links/conf/config.sh里面要固定YARN_RESTFUL_URL呢,这种在sql组件中加个YARN_URL参数不更好吗



Zhang Huajin
这里设置不是最后用的



最后用的是数据库里面的



yarn地址其实支持设置多个



Fang Jin
哪个库哪个表?多个yarn可以选择吗?



是说这个YARN_RESTFUL_URL参数配置时可以同时指定多个,那好像还是指向同一个hadoop集群吧,如果要指向不同的hadoop集群,可以支持吗?



Zhang Huajin
https://cwiki.apache.org/confluence/display/LINKIS/3.+Technology+Blog



https://cwiki.apache.org/confluence/plugins/servlet/mobile#content/view/235838391

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