[jira] Assigned: (PIG-1304) Fail underlying M/R jobs when concatenated gzip and bz2 files are provided as input

["Olga Natkovich (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/PIG-1304?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Olga Natkovich reassigned PIG-1304:
-----------------------------------

    Assignee: Laukik Chitnis

> Fail underlying M/R jobs when concatenated gzip and bz2 files are provided as input
> -----------------------------------------------------------------------------------
>
>                 Key: PIG-1304
>                 URL: https://issues.apache.org/jira/browse/PIG-1304
>             Project: Pig
>          Issue Type: New Feature
>    Affects Versions: 0.6.0
>            Reporter: Viraj Bhat
>            Assignee: Laukik Chitnis
>             Fix For: 0.9.0
>
>
> I have the following txt files which are bzipped: \t =<TAB> 
> {code}
> $ bzcat A.txt.bz2 
> 1\ta
> 2\taa
> $bzcat B.txt.bz2
> 1\tb
> 2\tbb
> $cat *.bz2 > test/mymerge.bz2
> $bzcat test/mymerge.bz2 
> 1\ta
> 2\taa
> 1\tb
> 2\tbb
> $hadoop fs -put test/mymerge.bz2 /user/viraj
> {code}
> I now write a Pig script to print values of bz2.
> {code}
> A = load '/user/viraj/bzipgetmerge/mymerge.bz2' using PigStorage();
> dump A;
> {code}
> I get the records for the first bz2 file which I concatenated.
> (1,a)
> (2,aa)
> My M/R jobs do not fail or throw any warning about this, just that it drops records. Is there a way we can throw a warning or fail the underlying Map job, can it be done in Bzip2TextInputFormat class in Pig ?

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