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https://issues.apache.org/jira/browse/YARN-5281?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16919222#comment-16919222
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Abhishek Modi commented on YARN-5281:
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We are already supporting Hbase and CosmosDB as backend. We also support
local/hdfs filesystem with limited capabilities. Based on the discussion, I
don't think it would be possible to support simpler backend with all
functionalities without re-implementing some part of the features provided by
Hbase/CosmosDB.
For single node setup, ATSv2 can still be used with limited functionalities
using local filesystem as backend.
If no one is actively working on this, I would close this as part of Jira
cleanup for ATSv2.
cc [~vrushalic]/[~rohithsharma]
> Explore supporting a simpler back-end implementation for ATS v2
> ---------------------------------------------------------------
>
> Key: YARN-5281
> URL: https://issues.apache.org/jira/browse/YARN-5281
> Project: Hadoop YARN
> Issue Type: Sub-task
> Components: timelineserver
> Affects Versions: YARN-2928
> Reporter: Joep Rottinghuis
> Priority: Major
> Labels: YARN-5355
>
> During the merge discussion [~kasha] raised the question whether we would
> support simpler backend for users to try out, in addition to the HBase
> implementation.
> The understanding is that this would not be meant to scale, but it could
> simplify initial adoption and early usage.
> I'm filing this jira to gather the merits and challenges of such approach in
> one place.
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