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https://issues.apache.org/jira/browse/YARN-1140?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13758019#comment-13758019
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Vinod Kumar Vavilapalli commented on YARN-1140:
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bq. I understand always linking to the per app page to try to make it more
consistent but at the same time I don't like that power users will have to
click one more time.
Yeah, but it's a trade off for consistency. I've seen people struggling when
failures happen and that is a bigger pain than clicking through one more link.
bq. I also don't see how this solves the issue with the tracking url being a
bad link, unless you are also proposing to handle that better on the app page?
if an app finishes and doesn't set the history link (for instance a
non-mapreduce app) or crashes before they can set it, the tracking url link is
still going to to go a bad page.
We should do a better job fixing such bad links, so yeah +1 for YARN-1106 and
the likes. But even without that, this is still fine. Without my proposed
change, users will hit bad links and then have no clue of what happened. With
the change, they'll land up on the app-page, learn *something* about their
apps, and then click the bad link. Net-net, they get more info than they do now.
> Tracking URL is broken in a lots of corner cases, and can be the AM page or
> the application page depending on the situation
> ---------------------------------------------------------------------------------------------------------------------------
>
> Key: YARN-1140
> URL: https://issues.apache.org/jira/browse/YARN-1140
> Project: Hadoop YARN
> Issue Type: Bug
> Reporter: Vinod Kumar Vavilapalli
>
> Today, there are so many corner cases, specifically when the AM fails to
> start, when users will see that the tracking URL is broken or redirected to
> the per-app page. I am thinking of removing the tracking URL completely from
> the landing web-page and always force users to first jump on to the
> application-page. That way, there is consistency and there will always be one
> page that users can go to for their app information and then subsequently
> navigate to the AM page if all went well.
> Thoughts?
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