Todd Lipcon created YARN-2490:
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Summary: Bad links to jobhistory server
Key: YARN-2490
URL: https://issues.apache.org/jira/browse/YARN-2490
Project: Hadoop YARN
Issue Type: Bug
Reporter: Todd Lipcon
If you run an MR/YARN cluster without configuring the jobhistory URL, you get
some really bad usability:
- your jobs still produce JobHistory links
- the job history link goes to whichever NM the AM happened to run on
Even if you run the job history server on the same server as the RM, your links
will be incorrect unless you've explicitly configured its hostname.
If JobHistory isn't running, we shouldn't produce URLs (or we should by default
embed JobHistory inside the RM). If we require a hostname beyond 0.0.0.0, we
should refuse to start the JH server with 0.0.0.0 as its configuration.
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