Hi all,
Currently in v2 there is no command to clear the cache intelligently (i.e. not causing running jobs relying on the cache to fail). This will be added in the future, though is somewhat complex because each worker node or cluster target has a separate SSD cache. The option to disable caching entirely on a particular target/cluster/project will also be added in the future, for now the SSD cache does need to be disabled for each job individually.