What a well structured question!
On Sun, Apr 8, 2012 at 6:37 AM, Tom Ferguson wrote:
> Hello,
>
> I'm very new to Hadoop and I am trying to carry out of proof of concept for
> processing some trading data. I am from a .net background, so I am trying
> to prove whether it can be done primarily us
Hi : Well phrased question I think you will need to read up on
reducers, and then you will see the light.
1) in your mapper, emit (date,tradeValue) objects.
2) Then hadoop will send the following to the reducers.
date1,tradeValues[]
date2,tradeValues[]
...
3) Then, in your reducer, you wi
Resending my query below... it didn't seem to post first time.
Thanks,
Tom
On Apr 8, 2012 11:37 AM, "Tom Ferguson" wrote:
> Hello,
>
> I'm very new to Hadoop and I am trying to carry out of proof of concept
> for processing some trading data. I am from a .net background, so I am
> trying to pro
Hello,
I'm very new to Hadoop and I am trying to carry out of proof of concept for
processing some trading data. I am from a .net background, so I am trying
to prove whether it can be done primarily using C#, therefore I am looking
at the Hadoop Streaming job (from the Hadoop examples) to call in
