abhishekagarwal87 commented on PR #14424:
URL: https://github.com/apache/druid/pull/14424#issuecomment-1596607444
I added some details. There is no need to declare separate column mapping
for each topic. Just like there is no need to declare separate column mapping
for each partition in a topic. Topics can have any number of partitions.
Ingestion system doesn't care. Ingestion system tells Kakfa
- give me partitions for (tp1, tp2, tp3)
Kafka gives
- tp1:0, tp2:0, tp2:1, tp3:0, tp3:1, tp3:2
From ingestion perspective, tp1:0 is just another partition like tp3:2.
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