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Pig, mail # dev - Ajax library for Pig


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nitesh bhatia 2009-04-03, 12:36
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Alan Gates 2009-04-08, 15:41
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nitesh bhatia 2009-04-10, 04:28
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Alan Gates 2009-04-14, 20:37
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nitesh bhatia 2009-04-14, 21:32
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Ted Dunning 2009-04-14, 22:14
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Re: Ajax library for Pig
Tom White 2009-04-16, 14:10
Sounds like an interesting project. This ticket I opened some while
back about running multiple Pig sessions on one JVM may be relevant:
https://issues.apache.org/jira/browse/PIG-240

Tom

On Tue, Apr 14, 2009 at 11:14 PM, Ted Dunning <[EMAIL PROTECTED]> wrote:
> Each pig program submission should involve a separate piglatin interpreter.
>
> On Tue, Apr 14, 2009 at 2:32 PM, nitesh bhatia <[EMAIL PROTECTED]>wrote:
>
>> Hi
>> Currently I am under one doubt. How this system can be designed so that
>> multiple users can run same pig.
>> Current scenario is  - User executes its own copy of pig.jar on shell and
>> access hadoop.
>>
>> But under this system multiple users will log-in to some domain and they
>> have separate sessions. Now suppose user1 submits a pig script or access
>> pig. Then user2 also access pig shell. How this system will work for
>> multiple users? I am not sure what can be the optimized solution.
>>
>> --nitesh
>>
>>
>>
>> On Wed, Apr 15, 2009 at 2:07 AM, Alan Gates <[EMAIL PROTECTED]> wrote:
>>
>> > Would you want to contribute this to the Pig project or release it
>> > separately?  Either way, keep us posted on your progress.  It sounds
>> > interesting.
>> >
>> > Alan.
>> >
>> >
>> > On Apr 9, 2009, at 9:28 PM, nitesh bhatia wrote:
>> >
>> >  Hi
>> >> Thanks for the reply.
>> >> This will be the architecture:
>> >>
>> >> 1. Pig would be installed on some dedicated server machine (say P) with
>> >> hadoop support.
>> >> 2. In front of it will be a web server (say S)
>> >>  2.1 A web server will consist of a dedicated tomcat server (say St) for
>> >> handling dwr servlets.
>> >>  2.2 "PigScript.js"  proposed javascript.
>> >>  2.2 If user is using some other server than tomcat for presentation
>> layer
>> >> (say http for php or IIS for asp.net); the server (say Su) will appear
>> in
>> >> front of St.
>> >>
>> >> -Connections between Su and St will be done through PigScript.js
>> >> - St and P will be done through dwr
>> >> - To get the results from server, this system will be using Reverse-ajax
>> >> calls ( i.e async call from server to browser  an inbuilt feature in
>> DWR).
>> >>
>> >> DWR is under Apache Licence V2.
>> >>
>> >> --nitesh
>> >>
>> >> On Wed, Apr 8, 2009 at 9:11 PM, Alan Gates <[EMAIL PROTECTED]> wrote:
>> >>
>> >>  Sorry if these are silly questions, but I'm not very familiar with some
>> >>> of
>> >>> these technologies.  So what you propose is that Pig would be installed
>> >>> on
>> >>> some dedicated server machine and a web server would be placed in front
>> >>> of
>> >>> it.  Then client libraries would be developed that made calls to the
>> web
>> >>> server.  Would these client side libraries include presentation in the
>> >>> browser, both for user's submitting queries and receiving results?
>>  Also,
>> >>> pig currently does not have a server mode, thus any web server would
>> have
>> >>> to
>> >>> spin off threads that ran a pig job.
>> >>>
>> >>> If the above is what you're proposing, I think it would be great.
>> >>>  Opening
>> >>> up pig to more users by making it browser accessible would be nice.
>> >>>
>> >>> Alan.
>> >>>
>> >>>
>> >>> On Apr 3, 2009, at 5:36 AM, nitesh bhatia wrote:
>> >>>
>> >>> Hi
>> >>>
>> >>>> Since pig is getting a lot of usage in industries and universities;
>> >>>> how about adding a front-end support for Pig? The plan is to write a
>> >>>> jquery/dojo type of general JavaScript/AJAX library which can be used
>> >>>> over any server technologies (php, jsp, asp, etc.) to call pig
>> >>>> functions over web.
>> >>>>
>> >>>> Direct Web Remoting (DWR- http://directwebremoting.org ), an open
>> >>>> source project at Java.net gives a functionality that allows
>> >>>> JavaScript in a browser to interact with Java on a server. Can we
>> >>>> write a JavaScript library exclusively for Pig using DWR? I am not
>> >>>> sure about licensing issues.
>> >>>>
>> >>>> The major advantages I can point is
>> >>>> -Use of Pig over HTTP rather SSH.
>
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nitesh bhatia 2009-05-02, 18:17