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Best practices for changing partition numbers

Hello, We have found that, for our application, having a number of total partitions as a multiple of the number of consumer hosts is beneficial. Because of this, whenever we add or remove consumer hosts, we have to change the number of partitions in the server config. What are best practices for changing the number of partitions? It seems like adding partitions is fine but removing partitions would result in data loss - am I right? Is that avoidable? Is it preferable to bring in new servers -- David Ross

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