Ok, I'll do this during the weekend, I'll give you a feedback on Monday. Regards Aleksander 14 mar 2014 18:15 "Robert Coli" <rc...@eventbrite.com> napisał(a):
> 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 > >
