On Fri, Mar 14, 2014 at 12:40 AM, olek.stas...@gmail.com < olek.stas...@gmail.com> wrote:
> OK, I see, so the data files stay in place, i have to just stop > cassandra on whole cluster, remove system schema and then start > cluster and recreate all keyspaces with all column families? Data will > be than loaded automatically from existing ssstables, right? > Right. If you have clients reading while loading the schema, they may get exceptions. > So one more question: what about KS system_traces? should it be > removed and recreted? What data it's holding? > It's holding data about tracing, a profiling feature. It's safe to nuke. =Rob
