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Hive >> mail # user >> Optimizing hive queries


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Nitin Pawar 2013-03-29, 05:16
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Jagat Singh 2013-03-29, 05:25
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Owen OMalley 2013-03-29, 05:48
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Jagat Singh 2013-03-29, 06:08
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Owen OMalley 2013-03-29, 06:54
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Re: Optimizing hive queries
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 <[EMAIL PROTECTED]> 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 <[EMAIL PROTECTED]>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