Hi all … The datastax & apache docs are clear: run ‘nodetool repair’ after you alter a keyspace to change its RF or RS.
However, the details are all over the place as what type of repair and on what nodes it needs to run. None of the above doc authorities are clear and what you find on the internet is quite contradictory. For example, this IBM doc suggest to run both the ‘alter keyspace’ and repair on EACH node affected or on ‘each node you need to change the RF on’. Others, suggest to run ‘repair -pr’. On a cluster of 1 DC and three racks, this is how I understand it …. 1. Run the ‘alter keyspace’ on a SINGLE node. 2. As for repairing the altered keyspac, I assume there are two options … a. Run ‘repair -full [key_space]’ on all nodes in all racks b. Run ‘repair -pr -full [keyspace] on all nodes in all racks Sounds correct? ---------------- Thank you
