Hi, On 8 October 2015 at 12:26, Sargun Dhillon <sar...@sargun.me> wrote: > It's possible that during the strongly consistent joined, there was some > leader instability. Do you have any logs of the event? Can you recreate the > event? Also, the recommendation for SC, is to either turn off tree > verification, or run with 7 nodes, and n=5.
Even I add two more nodes, in my case haproxy would get wrong state. "GET /ping" is not valid method to identify whether the node is ready to be responsible for cluster. Is that right? What about parsing "GET /stats"? Has it any key to help me? Thanks. > > On Thu, Oct 8, 2015 at 2:23 AM, Ali Rıza KELEŞ <ali.r.ke...@gmail.com> > wrote: >> >> Hi, >> >> I have a riak cluster of 5 nodes, runinng strong consistent and behind >> an HaProxy. Yesterday I needed to replace a node which was misplaced. >> I removed the node and all was OK. Other nodes responded all requests >> properly and my application continued to run well. >> >> I created a new node and make it join the cluster. Application logged >> some riak errors for 10 or 15 seconds, just after re-clustering. After >> this period of errors, everything was OK again. >> >> I have an idea why I encountered this stiuation but i am not sure. >> HaProxy health checks got OK from the new node, unless it wasn't ready >> or even it wasn't a member of riak cluster. And some requests >> redirected by haproxy to this new alive node. >> >> If this scenario is correct, then i need to make haproxy more clever >> by tuning health check. "option httpchk GET /ping" is not enough to >> identify a node is really ready for requests. Is there any fine tuned >> way to achieve this. >> >> Thanks for any suggestions. >> >> -- >> -- >> Ali Rıza Keleş >> >> _______________________________________________ >> riak-users mailing list >> riak-users@lists.basho.com >> http://lists.basho.com/mailman/listinfo/riak-users_lists.basho.com > > -- -- Ali Rıza Keleş _______________________________________________ riak-users mailing list riak-users@lists.basho.com http://lists.basho.com/mailman/listinfo/riak-users_lists.basho.com
