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From Jianyong Dai <jiany...@yahoo-inc.com>
Subject Re: Request for feedback: cost-based optimizer
Date Tue, 01 Sep 2009 22:26:10 GMT
I am still reading but one interesting question is why you decide to put 
CBO in physical layer?

Dmitriy Ryaboy wrote:
> Whoops :-)
> Here's the Google doc:
> http://docs.google.com/Doc?docid=0Adqb7pZsloe6ZGM4Z3o1OG1fMjFrZjViZ21jdA&hl=en
>
> -Dmitriy
>
> On Tue, Sep 1, 2009 at 12:51 PM, Santhosh Srinivasan<sms@yahoo-inc.com> wrote:
>   
>> Dmitriy and Gang,
>>
>> The mailing list does not allow attachments. Can you post it on a
>> website and just send the URL ?
>>
>> Thanks,
>> Santhosh
>>
>> -----Original Message-----
>> From: Dmitriy Ryaboy [mailto:dvryaboy@gmail.com]
>> Sent: Tuesday, September 01, 2009 9:48 AM
>> To: pig-dev@hadoop.apache.org
>> Subject: Request for feedback: cost-based optimizer
>>
>> Hi everyone,
>> Attached is a (very) preliminary document outlining a rough design we
>> are proposing for a cost-based optimizer for Pig.
>> This is being done as a capstone project by three CMU Master's students
>> (myself, Ashutosh Chauhan, and Tejal Desai). As such, it is not
>> necessarily meant for immediate incorporation into the Pig codebase,
>> although it would be nice if it, or parts of it, are found to be useful
>> in the mainline.
>>
>> We would love to get some feedback from the developer community
>> regarding the ideas expressed in the document, any concerns about the
>> design, suggestions for improvement, etc.
>>
>> Thanks,
>> Dmitriy, Ashutosh, Tejal
>>
>>     


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