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From Nitin Pawar <nitinpawar...@gmail.com>
Subject Re: Optimizing hive queries
Date Fri, 29 Mar 2013 05:47:11 GMT
I could just find this link
http://docs.hortonworks.com/HDPDocuments/HDP2/HDP-2.0.0.2/ds_Hive/orcfile.html

according to this, the metadata is handled by protobuf which allows of
adding/removing fields.


On Fri, Mar 29, 2013 at 10:55 AM, Jagat Singh <jagatsingh@gmail.com> wrote:

> Hello Nitin,
>
> Thanks for sharing.
>
> Do we have more details on
>
> Versioned metadata feature of ORC ? , is it like handling varying schemas
> in Hive?
>
> Regards,
>
> Jagat Singh
>
>
>
> On Fri, Mar 29, 2013 at 4:16 PM, Nitin Pawar <nitinpawar432@gmail.com>wrote:
>
>>
>> Hi,
>>
>> Here is is a nice presentation from Owen from Hortonworks on "Optimizing
>> hive queries"
>>
>> http://www.slideshare.net/oom65/optimize-hivequeriespptx
>>
>>
>>
>> Thanks,
>> Nitin Pawar
>>
>
>


-- 
Nitin Pawar

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