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From Steve Loughran <ste...@apache.org>
Subject Re: RPC versioning
Date Wed, 08 Oct 2008 15:12:24 GMT
Alejandro Abdelnur wrote:
> You bring a good point, for submitting/managing jobs you could use a
> REST API. But still the protocol compatibility is needed for accessing
> HDFS to read/write data.
> 

Long haul? WebDAV

> A
> 
> On Tue, Oct 7, 2008 at 7:00 PM, Steve Loughran <stevel@apache.org> wrote:
>> I'm going to make another suggestion, which is : are there long-haul/high
>> stability APIs which we want to offer alongside the unstable/higher
>> performance IPC protocols. So IPC could be used within the cluster, but
>> something else would run for talking to the cluster from the outside
>>  -assumes no trust of the caller and requires rigorous authentication
>>  -less brittle to changes in the serialization formats
>>  -designed with firewalls and timeouts in mind
>> A few years back, people would have said SOAP! or SOA, but something that
>> uses JSON over REST is the other option. Push up the files using WebDAV,
>> then use a RESTy interface to the JobTrackers to submit work
>>
>> There's engineering effort here, but this would be the API used by things
>> like IDE clients, and other applications to get work done
>>


-- 
Steve Loughran                  http://www.1060.org/blogxter/publish/5
Author: Ant in Action           http://antbook.org/

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