NetworkTopologyStrategy On Mon, Sep 7, 2015 at 4:39 PM, Ryan Svihla <r...@foundev.pro> wrote:
> What's your keyspace replication strategy? > > On Thu, Sep 3, 2015 at 3:16 PM Tom van den Berge < > tom.vandenbe...@gmail.com> wrote: > >> Thanks for your help so far! >> >> I have some problems trying to understand the jira mentioned by Rob :( >> >> I'm currently trying to set up the first node in the new DC with >> auto_bootstrap = true. The node then becomes visible with status "joining", >> which (hopefully) prevents other DCs from sending queries to it. >> >> Do you think this will work? >> >> >> >> On Thu, Sep 3, 2015 at 9:46 PM, Robert Coli <rc...@eventbrite.com> wrote: >> >>> On Thu, Sep 3, 2015 at 12:25 PM, Bryan Cheng <br...@blockcypher.com> >>> wrote: >>> >>>> I'd recommend you enable tracing and do a few queries in a controlled >>>> environment to verify that queries are being routed to your new nodes. >>>> Provided you have followed the procedure outlined above (specifically, have >>>> set auto_bootstrap to false in your new cluster), rebuild has not been run, >>>> the application is not connecting to the new cluster, and all your queries >>>> are run at LOCAL_* quorum levels, I do not believe those queries should be >>>> routed to the new dc. >>>> >>> >>> Other than CASSANDRA-9753, this is true. >>> >>> https://issues.apache.org/jira/browse/CASSANDRA-9753 (Unresolved; ): >>> "LOCAL_QUORUM reads can block cross-DC if there is a digest mismatch" >>> >>> =Rob >>> >>> >> -- > Regards, > > Ryan Svihla -- Tom van den Berge Lead Software Engineer [image: Drillster] Middenburcht 136 3452 MT Vleuten Netherlands+31 30 755 53 30 www.drillster.com [image: Follow us on Facebook] Follow us on Facebook <https://www.facebook.com/Drillster>
