Re: trouble showing cluster scalability for read performance

2014-07-17 Thread Timo Ahokas
Hi Diane, Sounds a bit like the client might be the limiting factor in your test - not the server. Especially if you're using one single threaded client, you might not be loading the backend in any significant way. Have you done any vertical scaling tests (identical client, bigger server)? if the

Re: Rebuild failing when adding new datacenter (3.0.8)

2016-09-22 Thread Timo Ahokas
at 19:23, Timo Ahokas <timo.aho...@gmail.com> wrote: > Hi Alain, > > Thanks a lot for a helping out! > > Some of the basic keyspace / cluster info you requested: > > # echo "DESCRIBE KEYSPACE system_distributed;" | cqlsh > > CREATE KEYSPACE sy

Re: Rebuild failing when adding new datacenter (3.0.8)

2016-09-22 Thread Timo Ahokas
gy', 'DC1': '3', 'DC2': '3', 'DC3': '3'}; > > You may see similar problem for other system keyspaces. Do the same thing. > > Cheers, > > Yabin > > On Thu, Sep 22, 2016 at 1:44 PM, Timo Ahokas <timo.aho...@gmail.com> > wrote: > >> Hi Alain, >> >>

Re: Rebuild failing when adding new datacenter (3.0.8)

2016-09-22 Thread Timo Ahokas
used is expected to work, given > your setup. > > My guess is this you might need to alter this keyspace accordingly to your > cluster setup. > > Just guessing, hope that helps. > > C*heers, > --- > Alain Rodriguez - @arodream - al...@thelastpickle.c

Rebuild failing when adding new datacenter (3.0.8)

2016-09-22 Thread Timo Ahokas
Hi, We have a Cassandra 3.0.8 cluster (recently upgraded from 2.1.15) currently running in two data centers (13 and 19 nodes, RF3 in both). We are adding a third data center before decommissioning one of the earlier ones. Installing Cassandra (3.0.8) goes fine and all the nodes join the cluster