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From Selina Tech <>
Subject Re: How to do aggregation in Samza?
Date Wed, 21 Oct 2015 21:44:19 GMT
Hi, All:

I have same question also. Previously, I thought we just use java code to
implement, Counts, averages ... in Samza.
Is anyone kenw any Java libraries?


On Wed, Oct 21, 2015 at 8:15 AM, jeremy p <>

> Hey all,
> So, I'm wanting to do aggregate operations in Samza.  Counts, averages,
> grouping, things of that nature.  Basically, the kinds of aggregate
> operations you can do in SQL.  What's the best way to do this in Samza?
> Are there any libraries for this?
> I noticed a few projects are currently in development.  Have any of them
> been used in a production environment?  Are any of them being actively
> developed?
> From combing through the mailing list archives, I can see that LinkedIn
> plans on adding SQL and aggregation to Samza.  Any idea what the timeline
> is for this?
> --Jeremy

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