For rough estimate, I’ve seen the following pattern. Sudo code Do queries by token range at random.
Select asjson * from table; Take the length of json string of each row. Perform average. Cheers. From: Ayub M <hia...@gmail.com> Reply-To: "user@cassandra.apache.org" <user@cassandra.apache.org> Date: Wednesday, December 11, 2019 at 11:17 PM To: "user@cassandra.apache.org" <user@cassandra.apache.org> Subject: average row size in a cassandra table How to find average row size of a table in cassandra? I am not looking for partition size (which can be found from nodetool tablehistograms), since a partition can have many rows. I am looking for row size.
