Robert Bruno commented on NIFI-5083:

Currently I am using templates to sync between instances.  I will likely for 
the time being do a find and replace in the template file, but this seems far 
from ideal.  


With that said FlowRegistry is on my short list of new things to give a try. 
Hopefully it is a better way to keep my 2 clusters in sync along with 
potentially dev clusters.

> Support for Expression Language in Group ID field of Kafka Consumer Processors
> ------------------------------------------------------------------------------
>                 Key: NIFI-5083
>                 URL: https://issues.apache.org/jira/browse/NIFI-5083
>             Project: Apache NiFi
>          Issue Type: Improvement
>          Components: Extensions
>    Affects Versions: 1.6.0
>            Reporter: Robert Bruno
>            Priority: Minor
>              Labels: kafka
> I have the use case where I have two separate NiFi clusters reading data from 
> the same topics but need to have unique group ids so they each get separate 
> copies of the data.  It would be useful if the group id field supported 
> expression language so I could use a processor group variable to define the 
> group id to use.  I have a large enough number of kafka consumers to make 
> this tedious to manually change.

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