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From "Jarek Jarcec Cecho (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (SQOOP-1803) JobManager and Execution Engine changes: Support for a injecting and pulling out configs and job output in connectors
Date Thu, 19 Mar 2015 13:58:40 GMT

    [ https://issues.apache.org/jira/browse/SQOOP-1803?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14369338#comment-14369338
] 

Jarek Jarcec Cecho commented on SQOOP-1803:
-------------------------------------------

So, two news from my side - the good one - I was chatting with mapreduce team and they confirmed
that this is a real issue that might even be fixed upstream, so we will have to test it. The
bad news - I've mistakenly discarded my changes when reviewing patches yesterday, so I have
to quickly write that again :(

> 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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