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https://issues.apache.org/jira/browse/FALCON-1406?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15684355#comment-15684355
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Ajay Yadava commented on FALCON-1406:
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[~sandeep.samudrala] I am still not in favor of this JIRA. My concern is not
that you have made more changes than necessary, but rather it changes a
fundamental assumption about the way falcon works and hence impacts a lot of
current features and lot of features in future. This feature makes the code
hard to reason for a lot of features.
> Effective time in Entity updates.
> ---------------------------------
>
> Key: FALCON-1406
> URL: https://issues.apache.org/jira/browse/FALCON-1406
> Project: Falcon
> Issue Type: New Feature
> Reporter: sandeep samudrala
> Assignee: sandeep samudrala
> Attachments: FALCON-1406-initial.patch,
> effective_time_in_entity_updates.pdf
>
>
> Effective time with entity updates needs to be provided even with past time
> too. There was effective time capability provided in the past which gives the
> functionality to set an effective time for an entity with only current or
> future time(now + delay), which could not solve all the issues.
> Following are few scenarios which would require effective time to be
> available with time back in past.
> a) New code being deployed for an incompatible input data set which would
> leave instances with old code and new data.
> b) Bad code being pushed for which, the entity should be able to go back in
> time to replay(rerun) with new code.
> c) Orchestration level changes(good/bad) would need functionality to go back
> in time to start with.
> For reference: Linking all the Jiras that have been worked upon around
> effective time .
> https://issues.apache.org/jira/browse/FALCON-374
> https://issues.apache.org/jira/browse/FALCON-297
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