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Hi, of course there are :) So the transformations are deployed in a separate NodeJs process per node. You can use familiar tools to take a look at its cpu + memory usage. As for ho…

Currently they cannot, as they share all of the same properties as their respective source topics, but this idea is good! I'm adding it to our list of design enhancements.

Good question! You can't re-key your records but this done is by design. We want the materialized partitions to reside on the same brokers as their sources so there is no network o…

We see a lot of demand for onboard transformations, and JS is our first trial, since most devs are familiar with it. We plan to look into Rust and all of the Wasm supported languag…

Yup, as of now we are leveraging Nodejs for the technical preview. We also have another preview using embedded v8 for inline transforms, that is your transform runs in-process and …

Hi I'm one of the authors of the blog post, happy to answer any questions here !

This is so dope, I am trying it out asap!

Redpanda https://vectorized.io/

Yes Storm is still under active development. Yahoo, Baidu and other big players continue to use Storm. To be honest Storm's API is richer. Our approach however was to make stream p…

Since Mesos uses Zookeeper and we are tightly bound to Mesos, at the moment this is not possible.

If by 'input/output' sources, you mean computations that will pull or push from an external system such as kafka/cassandra, there isn't any documentation currently. However we have…

There are a lot of reasons why, probably enough to write a blog post about. To summarize I would say that this is mainly a byproduct of being close to the metal, and our use of loc…

Hello, I am a software engineer at Concord. Happy to answer anyones questions