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From "Vrushali C (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-7931) [atsv2 read acls] Include domain table creation as part of schema creator
Date Mon, 26 Mar 2018 19:12:00 GMT

    [ https://issues.apache.org/jira/browse/YARN-7931?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16414345#comment-16414345

Vrushali C commented on YARN-7931:

Thanks [~haibochen] for the review!

Yes I will update the domain row key documentation, good catch!

bq. The DomainTable is missing writers as one of its columns. Also, let's add a link of TimelineDomain
documentation (possibly the apache official doc where it is introduced).
We can have more columns that may not be listed. It is not necessary to define all columns
though. But I will add it. 
Good point about the link to TimelineDomain documentation, will add it. 

bq. I recall that we want to do compression on the domain table. Is that something done at
table creation time?
Very good point. I have not added in compression as part of the table creation. I was thinking
we might want to mention it in the documentation and point to hbase docs regarding enabling
it. The reason is that, no matter what codec we use, we would need the admins to make sure
to test that it is installed correctly and is available on all nodes in the cluster. Extra
operational steps may be necessary to be sure that codecs are available on newly-deployed
nodes. Hence did not want to add it in the basic table creation / installation process. HBase
does not ship with Snappy or LZO due to licensing issues. LZ4 comes with hadoop but has to
made available on all nodes. 

Will upload a new patch shortly. 

> [atsv2 read acls] Include domain table creation as part of schema creator
> -------------------------------------------------------------------------
>                 Key: YARN-7931
>                 URL: https://issues.apache.org/jira/browse/YARN-7931
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>            Reporter: Vrushali C
>            Assignee: Vrushali C
>            Priority: Major
>         Attachments: YARN-7391.0001.patch
> Update the schema creator to create a domain table to store timeline entity domain info. 

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