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From Jarek ƚmiejczak <>
Subject Re: Transactional Spout in Python
Date Fri, 02 May 2014 05:10:49 GMT

ad. 2. I'm currently learning about storm in my own research and here's
what i know:
I think you should look at jython. It's python implemented in java. It
allows you to use java libraries and implements python 2.X semantics (i'm
not sure about 3.X).
I'm currently trying to start implement my first project via:

Second and less nice opthon is to use shelltype bolts - however i'm not
sure about performance and scalability of such solution. Personally, i
would try to avoid this at all costs.

Greetings :)

On Fri, May 2, 2014 at 3:49 AM, Tarek Amr <> wrote:

> I know you can create spouts to be either transactional, opaque
> transactional and non-transactions, however I have two simple questions
> here.
> 1- Is this only for Trident topologies, or is it also applicable to normal
> storm topologies.
> 2- Is it possible for a spout written in a non-JVM language (let's say
> Python), is it possible in such case to decided whether it is
> transactional, opaque transactional or non-transactions? or it is destined
> to be one of them by design and cannot be changed? If you can decide its
> nature, do you know how this can be set?
> Thank you.
> ---
> Cheers,
> Tarek Amr
> Email:

jarek@reijutsu:~$ fortune
You have Egyptian flu: you're going to be a mummy.
jarek@reijutsu:~$ fortune
You now have Asian Flu.

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