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Posted to issues@nifi.apache.org by "Joseph Witt (JIRA)" <ji...@apache.org> on 2018/04/13 19:21:00 UTC
[jira] [Commented] (NIFI-5083) Support for Expression Language in
Group ID field of Kafka Consumer Processors
[ https://issues.apache.org/jira/browse/NIFI-5083?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16437779#comment-16437779 ]
Joseph Witt commented on NIFI-5083:
-----------------------------------
[~rbruno] does this mean you're using the FlowRegistry to ensure both clusters have a consistent flow and thus are ending up with the same group id being used?
Adding support for EL to let variables be used is a very doable option and a good idea. Just wanted to understand how you're keeping the flows so in sync between clusters that this would be matching at this time.
Thanks
> 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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