Github user vakshorton commented on the issue:
https://github.com/apache/nifi/pull/2310
@MikeThomsen There is an indexing service that works with Kafka. However,
for high volume use cases, this requires a lot of Kafka resources just to
ingest data into Druid. Presumably, all that data would have already flowed
through and been processed by Nifi. Providing the capability to send the data
directly into Druid can really reduce the required hardware resources,
management overhead, and usage complexity.
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