Re: Scaling a cassandra cluster with auto_bootstrap set to false

2013-06-13 Thread Markus Klems
On Thu, Jun 13, 2013 at 11:20 PM, Edward Capriolo wrote: > CL.ONE requests for rows which do not exist are very fast. > > http://adrianotto.com/2010/08/dev-null-unlimited-scale/ > Yep, /dev/null is a might force ;-) I took a look at the YCSB source code and spotted the line of code that caused o

Re: Scaling a cassandra cluster with auto_bootstrap set to false

2013-06-13 Thread Edward Capriolo
CL.ONE requests for rows which do not exist are very fast. http://adrianotto.com/2010/08/dev-null-unlimited-scale/ On Thu, Jun 13, 2013 at 3:47 PM, Robert Coli wrote: > On Thu, Jun 13, 2013 at 10:47 AM, Markus Klems > wrote: > > One scaling strategy seems interesting but we don't > > fully u

Re: Scaling a cassandra cluster with auto_bootstrap set to false

2013-06-13 Thread Markus Klems
Robert, thank you for your explanation. I think you are right. YCSB probably does not correctly interpret the "missing record" response. We will look into it and report our results here in the next days. Thanks, Markus On Thu, Jun 13, 2013 at 9:47 PM, Robert Coli wrote: > On Thu, Jun 13, 2013

Re: Scaling a cassandra cluster with auto_bootstrap set to false

2013-06-13 Thread Robert Coli
On Thu, Jun 13, 2013 at 10:47 AM, Markus Klems wrote: > One scaling strategy seems interesting but we don't > fully understand what is going on, yet. The strategy works like this: > add new nodes to a Cassandra cluster with "auto_bootstrap = false" to > avoid streaming to the new nodes. If you se