Hi ivan,
I assume you are trying to do per user stream so that you can process each
user's event in same sequence as they arrive. Is this correct assumption?

if yes then with in storm you can manage this even if you read from one
kafka topic using one spout and output events on one stream. just read
stream grouping by field(*Fields grouping

If no then please can you explain bit more on why you want to create stream
per user?


On Wed, Sep 21, 2016 at 11:00 PM, Ivan Gozali <i...@lecida.com> wrote:

> Hi everyone,
> I'm very new to Storm, and have read various documentation but haven't
> started using it.
> I have a use case where I could potentially have many users producing data
> points that are accumulated in one huge, single Kafka topic/Kinesis stream,
> and I was going to use Storm to "route" per-user mini-streams coming from
> this single huge stream to multiple processors.
> I was wondering how this use case is typically handled. I was going to
> create a topology (where the spout consumes the big stream) for each user's
> mini-stream that is then pushed to some new derived stream in
> Kinesis/Kafka, but this doesn't seem right, since there could be 100,000s,
> if not 1,000,000s of users and I would be creating 1,000,000 topics.
> Thanks in advance for any advice!
> --
> Regards,
> Ivan Gozali

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