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-452059383 > I think you mean exposing interface for end users No, I mean that there's new information that needs to end up in event logs so that the SHS can build the log URL. It does not mean the user has to provide that information, and in a lot of cases they can't even do that (how would the user know the app ID?). You already defined a few variables in your current change, didn't you? The user doesn't need to explicitly provide any of them, do they? That's what I mean. All that's missing is writing those to the event log somehow, and using them on the SHS side, instead of doing it all on the application side, which has the drawbacks that have already been discussed.
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