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Date: Thu, 19 Mar 2009 14:41:01 -0700
Message-ID: <35a22e220903191441t769936d0i4c9127ecaeeef343@mail.gmail.com>
Subject: Re: Dryad support
From: Amandeep Khurana <amansk@gmail.com>
To: core-dev@hadoop.apache.org
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Unless someone wants to start up an open source for that.. :)


Amandeep Khurana
Computer Science Graduate Student
University of California, Santa Cruz


On Thu, Mar 19, 2009 at 2:40 PM, Amandeep Khurana <amansk@gmail.com> wrote:

> Dryad isnt available outside MS and some univs...
>
>
> Amandeep Khurana
> Computer Science Graduate Student
> University of California, Santa Cruz
>
>
>
> On Thu, Mar 19, 2009 at 2:37 PM, Chris K Wensel <chris@wensel.net> wrote:
>
>> I do not believe Dryad is available outside of MS and some universities.
>>
>> That said, Dryad is finer grained than MapReduce. That is, you would build
>> MapReduce using Dryad model elements, not the other way around.
>>
>> Further, it offers no persistence layer, Cosmos FS is internal to MS and
>> seems to have low regard. The typical model is running Dryad over a MS SQL
>> Server cluster (partitioned tables).
>>
>> If you are really referring to DryadLINQ like functionality (an API that
>> offers up the ability to chain explicit relational/set operations), I
>> suggest you take a look at Cascading.
>>
>> cheers,
>> ckw
>>
>>
>> On Mar 18, 2009, at 9:45 AM, Chidambaran Kollengode wrote:
>>
>>  Is Dryad available externally?
>>>
>>> -----Original Message-----
>>> From: Yingfeng Zhang [mailto:yingfeng.zhang@gmail.com]
>>> Sent: Wednesday, March 18, 2009 10:04 PM
>>> To: core-dev@hadoop.apache.org
>>> Subject: Dryad support
>>>
>>> Hi, I wonder if there exist any possible trying to add a Dryad layer
>>> into
>>> Hadoop, has any plan to do such a work?
>>>
>>>
>>> Best
>>> Yingfeng
>>>
>>
>> --
>> Chris K Wensel
>> chris@wensel.net
>> http://www.cascading.org/
>> http://www.scaleunlimited.com/
>>
>>
>

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