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https://issues.apache.org/jira/browse/SQOOP-1803?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14369769#comment-14369769
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Jarek Jarcec Cecho commented on SQOOP-1803:
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I believe that we did not yet settle down on approach [~vybs] - both of us have
been working on prototype to share the thoughts of how we can handle updating
the configuration objects. I've finished my prototype, but I hit issues with
Hadoop where I was not getting proper {{Configuration}} class back (the
mapreduce class, not our objects). I'll have to write my POC again due to the
unfortunate mistake. I'm also looking forward for your POC.
> JobManager and Execution Engine changes: Support for a injecting and pulling
> out configs and job output in connectors
> ----------------------------------------------------------------------------------------------------------------------
>
> Key: SQOOP-1803
> URL: https://issues.apache.org/jira/browse/SQOOP-1803
> Project: Sqoop
> Issue Type: Sub-task
> Reporter: Veena Basavaraj
> Assignee: Veena Basavaraj
> Fix For: 1.99.6
>
>
> The details are in the design wiki, as the implementation happens more
> discussions can happen here.
> https://cwiki.apache.org/confluence/display/SQOOP/Delta+Fetch+And+Merge+Design#DeltaFetchAndMergeDesign-Howtogetoutputfromconnectortosqoop?
> The goal is to dynamically inject a IncrementalConfig instance into the
> FromJobConfiguration. The current MFromConfig and MToConfig can already hold
> a list of configs, and a strong sentiment was expressed to keep it as a list,
> why not for the first time actually make use of it and group the incremental
> related configs in one config object
> This task will prepare the FromJobConfiguration from the job config data,
> ExtractorContext with the relevant values from the prev job run
> This task will prepare the ToJobConfiguration from the job config data,
> LoaderContext with the relevant values from the prev job run if any
> We will use DistributedCache to get State information from the Extractor and
> Loader out and finally persist it into the sqoop repository depending on
> SQOOP-1804 once the outputcommitter commit is called
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