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From chang liu <liuchan...@gmail.com>
Subject Re: Does thrift support one-client communicating with multi-servers?
Date Thu, 28 Jul 2011 06:58:58 GMT
Thank you very much!

A little more, hadoop IPC has such a method:
   public Writable[] call(Writable[] params, InetSocketAddress[] addresses)
in its Client class, I want to implement the same function using thrift,
where should I start from? do you have any suggestion?



On Thu, Jul 28, 2011 at 2:36 PM, Chiku <hakisenin@gmail.com> wrote:

> You will have to write your own wrapper for that.
>
> As far as I know, Thrift has no such aggregation service and in my opinion
> there is a reason for that too:
>
> 1) What if a Server fails to respond to the request? How does the Service
> react? It will be very specific to what kind of behavior you want to
> achieve.
>  Example: Ignore the request which is taking a lot of time? All the other
> requests become invalid or not.
>
>
> On Thu, Jul 28, 2011 at 10:34 AM, chang liu <liuchangit@gmail.com> wrote:
>
> > Hi,
> >
> > I have a cluster of servers running the same service but with different
> > data, an aggregator acting as a client in front of the cluster
> communicats
> > to all of the servers and collects data from each service, so the client
> > gets a data set finally. I am going to use thrift as the RPC framework.
> >
> > the service defination is below:
> > service MyService {
> >    Data call(1:Param param);
> > }
> >
> > But the generated code only has the method I defined, I wish some method
> > like this:
> > List<Data> callMulti(1:Param param);
> > to be generated from the defination above. Maybe there is also necessary
> to
> > have some TTransport implementation like TMultiServerTransport.
> >
> > Is there any way to archive this?
> >
> > Any Advice will be appropriated.
> >
>

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