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From Jun Rao <...@confluent.io>
Subject Re: Question on ETL while replau
Date Tue, 03 Feb 2015 05:51:11 GMT
You can't change existing messages. You can republish messages with new
fields and manually set the consumer offsets.



On Thu, Jan 29, 2015 at 1:12 PM, Joshua Schumacher <friedhardware@gmail.com>

> What's the best way to add two 'fields' to my kafka messages once they are
> stored?  Can I just do a replay on all of them and add the field?  How
> would I throw out the old kafka messages that don't have the field then?  I
> am using Druid to process the data, but not sure of how to propagate data
> changes all the way down to kafka.
> Thanks,
> Josh

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