Do you ever intend to add nodes to this single node cluster? If not, I don't see the number of tokens matter at all.

However, if you really want to change it and don't mind downtime, you can do this:

   1. make a backup of the data

   2. completely destroy the node with all data in it

   3. create a new node on the same server with the desired num_tokens

   4. restore the backup


On 30/07/2021 13:23, Maxim Parkachov wrote:
Hi everyone,

I have several development servers with 1 node and num_tokens 256. As preparation for testing 4.0 I would like to change num_tokens to 16. Unfortunately I could not add any additional nodes or additional DC, but I'm fine with downtime. The important part, data should be preserved.

What options do I have?

Thanks in advance,
Maxim

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