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Hadoop >> mail # general >> HTTP transport?


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Re: HTTP transport?

On Sep 29, 2009, at 12:43 PM, Doug Cutting wrote:

> Sanjay Radia wrote:
> > Wrt  connection pooling/async servers: Can't we use the same  
> libraries
> > that Jetty and Tomcat use?
> >  Grizzly?
>
> Grizzly also supports HTTP.  Choosing Grizzly is independent of  
> choosing
> HTTP as a wire transport or choosing a server.
>
Agreed.
Hence the main advantages that remain for http transport are
1)  language independent spec for the protocol. The message headers  
will be in avro so that is easy and the message exchange should be  
fairly straightforward. I see this as a minor advantage for using http  
transport.
2) code to implement the transport in multiple languages.

(2) is a significant advantage.
Once we put in the security modifications, will it remain that  
portable? We should look at that more closely.

What about out of order exchange. Will we be able to support that with  
http transport?

sanjay