Ah, that explains things. Thanks! On Fri, Jun 5, 2015 at 10:59 PM, Robert Coli <rc...@eventbrite.com> wrote:
> On Fri, Jun 5, 2015 at 5:15 AM, Jens Rantil <jens.ran...@tink.se> wrote: > >> Datastax's documentation on "Decommissioning a data center >> <http://docs.datastax.com/en/cassandra/2.0/cassandra/operations/ops_decomission_dc_t.html>" >> tells me to run a full repair and then decommission each node. Isn't >> decommissioning going to hand over all data anyway? Then why is the repair >> necessary? >> > > In step 3 of those instructions you reduce the number of replicas in the > departing DC to 0. > > The departing DC no longer owns ranges at this point, and no longer is > responsible for replicas. > > It therefore does no streaming (except maybe hints?) when you decommission > nodes. > > =Rob > > > -- Jens Rantil Backend engineer Tink AB Email: jens.ran...@tink.se Phone: +46 708 84 18 32 Web: www.tink.se Facebook <https://www.facebook.com/#!/tink.se> Linkedin <http://www.linkedin.com/company/2735919?trk=vsrp_companies_res_photo&trkInfo=VSRPsearchId%3A1057023381369207406670%2CVSRPtargetId%3A2735919%2CVSRPcmpt%3Aprimary> Twitter <https://twitter.com/tink>
