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https://issues.apache.org/jira/browse/BIGTOP-1067?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13771553#comment-13771553
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Roman Shaposhnik commented on BIGTOP-1067:
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The more smokes tests the better, of course. That said this particular test 
scenario strikes me as a rather esoteric one.
                
> Testing input splits in jobs
> ----------------------------
>
>                 Key: BIGTOP-1067
>                 URL: https://issues.apache.org/jira/browse/BIGTOP-1067
>             Project: Bigtop
>          Issue Type: Test
>            Reporter: jay vyas
>            Priority: Minor
>
> One of the things which seem important for serialization frameworks and 
> changes to custom input formats is splitting behaviour.   Should we have a 
> smoke test template that runs jobs with varying input split sizes, confirming 
> that outputs are identical?  Just an idea at the moment but someone with more 
> insight into serialization frameworks and RecordReader/Writer implementations 
> might have a better concept of the usefullness of such smokes.  
> This is a someone open ended JIRA - any thoughts on the issue of testing 
> hadoop's input formats and splits are welcome.   I can try to implement 
> corresponding smokes accordingly. 

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