sijie commented on issue #4152: Allow PersistentTopics#updatePartitionedTopic to also delete partitions URL: https://github.com/apache/pulsar/issues/4152#issuecomment-487460911 @ConcurrencyPractitioner I don't think force deleting partition is the right direction. because it will cause data loss. I think the right approach should be waiting for all the data in the old partitions to be consumed before deleting the old partitions. Hence: - the broker has to maintain the metadata before partitions scaling-down and the metadata afterwards. - the client needs to be able to fetch such metadata for choosing the right partition to read.
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