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https://issues.apache.org/jira/browse/YARN-1530?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13888286#comment-13888286
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Chris Riccomini commented on YARN-1530:
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Had a look at the design doc. I think I'm starting to get it, but I have a
couple of questions:
1. Is the expectation that people will be able to use this for INFO, WARN,
ERROR type application logging?
2. Regarding app-specific UIs, is it going to be possible to embed app-specific
UIs with YARN's UI, instead of having to run an app-specific web-ui? There is
some mention of JS UIs, but it's a little unclear whether this would be
embedded in YARN, or served from "somewhere" (to quote the docs. If it's served
from the RM (or some other web-ui in YARN), will it be up to ops to decide
which libraries are embedded, or up to
3. What are the planned "out of the box implementations" for both the storage
and transport layers? REST+LevelDB+HBase? Are Flume and Kafka implementations
expected to happen outside of the YARN project?
> [Umbrella] Store, manage and serve per-framework application-timeline data
> --------------------------------------------------------------------------
>
> Key: YARN-1530
> URL: https://issues.apache.org/jira/browse/YARN-1530
> Project: Hadoop YARN
> Issue Type: Bug
> Reporter: Vinod Kumar Vavilapalli
> Attachments: application timeline design-20140108.pdf, application
> timeline design-20140116.pdf, application timeline design-20140130.pdf
>
>
> This is a sibling JIRA for YARN-321.
> Today, each application/framework has to do store, and serve per-framework
> data all by itself as YARN doesn't have a common solution. This JIRA attempts
> to solve the storage, management and serving of per-framework data from
> various applications, both running and finished. The aim is to change YARN to
> collect and store data in a generic manner with plugin points for frameworks
> to do their own thing w.r.t interpretation and serving.
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