On Wed, Jan 27, 2016 at 6:49 AM, Jean Tremblay < jean.tremb...@zen-innovations.com> wrote:
> Since it takes me 2 days to load my data, I was planning to load the new > set on a new keyspace (KS-Y), and when loaded drop KS-X and rename KS-Y to > KS-X. > Why bother with the rename? Just have two keyspaces, foo and foo_, and alternate your bulk loads between truncating them? > Would this procedure work to destroy an old keyspace KS-X and rename a new > keyspace KS-Y to KS-X: > Yes, if you include : 0) Load schema for KS-Y into KS-X 1) nodetool drain each node. > 2) stop cassandra on each node. > 3) on each node: > 3.1) rm -r data/KS-X > 3.2) mv data/KS-Y data/KS-X > 4) restart each node. > Note also that in step 3.2, the uuid component of file and/or directory names will have to be changed. =Rob
