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From Abhishek Pratap Singh <manu.i...@gmail.com>
Subject Re: Map side join and Serde jar in distributed cache missing
Date Tue, 25 Sep 2012 00:45:16 GMT
i m using hive-0.7.1

On Mon, Sep 24, 2012 at 5:10 PM, Edward Capriolo <edlinuxguru@gmail.com>wrote:

> I have noticed this as well with hive 0.7.0. Not sure what CDH is
> based on but newer versions could suffer as well. What version of hive
> do you have?
>
> On Mon, Sep 24, 2012 at 7:30 PM, Abhishek Pratap Singh
> <manu.infy@gmail.com> wrote:
> > Hi all,
> >
> > I have enabled automatic Map join for any table less than 50MB. This
> table
> > needs a custom serde, which is added every time using add Jars(size of
> jar
> > is 25KB) in hive.
> > The problem is when hive performs map side join, classes in that serde
> jar
> > is not loaded and class not found exception is thrown. But if I disable
> map
> > side join, it works perfectly fine which showcase that the distributed
> cache
> > is working and serde jar is available.
> > Any idea what is happening in Map side join? I m using CDH3
> >
> >
> > Regards,
> > Abhishek
> >
>

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