Re: 10000+ CF support from Cassandra

2015-06-24 Thread Arun Chaitanya
recommended. If it works for you, great, > but if not, don't say you weren't warned. > > Disabling of slab allocation is an expert-only feature - its use is > generally an anti-pattern, not recommended. > > -- Jack Krupansky > > On Sun, Jun 21, 2015 at 10:55 PM, Arun

Re: 10000+ CF support from Cassandra

2015-06-24 Thread Arun Chaitanya
any ideas or advises? On Mon, Jun 22, 2015 at 10:55 AM, Arun Chaitanya wrote: > Hello All, > > Now we settled on the following approach. I want to know if there are any > problems that you foresee in the production environment. > > Our Approach: Use Off Heap Memory &g

Re: 10000+ CF support from Cassandra

2015-06-21 Thread Arun Chaitanya
media.tumblr.com/5d0efca7288dc969c1ac4fc3d36e0151/tumblr_inline_mzvj254quj1rd24f4.png > > About an order of magnitude difference in performance. > > Jon > > On Mon, Jun 1, 2015 at 7:20 PM Arun Chaitanya > wrote: > >> Thanks Jon and Jack, >> >> > I strongl

Re: 10000+ CF support from Cassandra

2015-06-01 Thread Arun Chaitanya
rs", but did you mean 10 nodes? You might want > to consider a model where you do indeed have multiple clusters, where each > handles a fraction of the tenants, since there is no need for separate > tenants to be on the same cluster. > > > -- Jack Krupansky > > On Tue,

Re: 10000+ CF support from Cassandra

2015-05-27 Thread Arun Chaitanya
LAs or many different developers with different managers with > different goals such as SLAs? > > When you say multi-tenant, are you simply saying that each of your > organization's customers has their data segregated, or does each customer > have direct access to the cluster? &g

Re: 10000+ CF support from Cassandra

2015-05-26 Thread Arun Chaitanya
stored data volume also. > > Also hard to answer your questions without an idea of read/write load > system wide, and indeed distribution across tenants. > > > On May 26, 2015, at 10:32 PM, Arun Chaitanya > wrote: > > Good Day Everyone, > > I am very happy with th

10000+ CF support from Cassandra

2015-05-26 Thread Arun Chaitanya
Good Day Everyone, I am very happy with the (almost) linear scalability offered by C*. We had a lot of problems with RDBMS. But, I heard that C* has a limit on number of column families that can be created in a single cluster. The reason being each CF stores 1-2 MB on the JVM heap. In our use ca