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https://issues.apache.org/jira/browse/YARN-5739?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Li Lu updated YARN-5739:
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Attachment: YARN-5739-YARN-5355.002.patch
002 patch to address most of the comments. We can wait till YARN-5585 is in and
I'll update the patch for some final tweaks.
bq. Depends on perspective but EntityTypeReader returning a set of entities
looks somewhat weird. Do we need to make it a subclass of GenericEntityReader
just for reusing parts of augmentParams ?
Right now I changed the other public method in EntityTypeReader to throw
unsupported exception. Let me try to come up some better ways to organize the
code. The real problem is I need to reuse several methods in generic entity
reader. Let me see if I can refactor them.
> Provide timeline reader API to list available timeline entity types for one
> application
> ---------------------------------------------------------------------------------------
>
> Key: YARN-5739
> URL: https://issues.apache.org/jira/browse/YARN-5739
> Project: Hadoop YARN
> Issue Type: Sub-task
> Components: timelinereader
> Reporter: Li Lu
> Assignee: Li Lu
> Attachments: YARN-5739-YARN-5355.001.patch,
> YARN-5739-YARN-5355.002.patch
>
>
> Right now we only show a part of available timeline entity data in the new
> YARN UI. However, some data (especially library specific data) are not
> possible to be queried out by the web UI. It will be appealing for the UI to
> provide an "entity browser" for each YARN application. Actually, simply
> dumping out available timeline entities (with proper pagination, of course)
> would be pretty helpful for UI users.
> On timeline side, we're not far away from this goal. Right now I believe the
> only thing missing is to list all available entity types within one
> application. The challenge here is that we're not storing this data for each
> application, but given this kind of call is relatively rare (compare to
> writes and updates) we can perform some scanning during the read time.
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