vanzin commented on issue #23260: [SPARK-26311][YARN] New feature: custom log 
URL for stdout/stderr
URL: https://github.com/apache/spark/pull/23260#issuecomment-447993002
 
 
   I agree with Imran that it would be best to think about how to properly 
support this regardless of resource manager; including allowing applications 
and SHS to have different URL templates. Otherwise you end up just hardcoding a 
different URL; if the log server URL needs to change, all your previous 
applications will have broken links.
   
   e.g. the application could save the parameters somehow in the event log, and 
the SHS could use those when replacing things in its own value for the log URL.
   
   The parameters don't need to be pre-defined, each RM can have its own set, 
and it's up to the admin to set things up so that the URLs in the SHS make 
sense for their deployment.

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