Also, DS charge by core ;) Anecdotally, we run a large fleet of Apache C* nodes on AWS with a good portion of supported instances that run with 16GB of RAM and 4 cores, which is fine for those workloads.
On Wed, Apr 4, 2018 at 11:08 AM sujeet jog <sujeet....@gmail.com> wrote: > Thanks Alain > > On Wed, Apr 4, 2018 at 3:12 PM, Alain RODRIGUEZ <arodr...@gmail.com> > wrote: > >> Hello. >> >> For questions to Datastax, I recommend you to ask them directly. I often >> had a quick answer and they probably can answer this better than we do :). >> >> Apache Cassandra (and probably DSE-Cassandra) can work with 8 CPU (and >> less!). I would not go much lower though. I believe the memory amount and >> good disk throughputs are more important. It also depends on the >> workload type and intensity, encryption, compression etc. >> >> 8 CPUs is probably just fine if well tuned, and here in the mailing list, >> we 'support' any fancy configuration settings, but with no guarantee on the >> response time and without taking the responsibility for your cluster :). >> >> It reminds me of my own start with Apache Cassandra. I started with >> t1.micro back then on AWS, and people were still helping me here, of course >> after a couple of jokes such as 'you should rather try to play a >> PlayStation 4 game in your Gameboy', that's fair enough I guess :). Well it >> was working in prod and I learned how to tune Apache Cassandra, I had no >> other options to have this working. >> >> Having more CPU probably improves resiliency to some problems and reduces >> the importance of having a cluster perfectly tuned. >> >> Benchmark your workload, test it. This would be the most accurate answer >> here given the details we have. >> >> C*heers, >> ----------------------- >> Alain Rodriguez - @arodream - al...@thelastpickle.com >> France / Spain >> >> The Last Pickle - Apache Cassandra Consulting >> http://www.thelastpickle.com >> >> 2018-04-04 9:44 GMT+01:00 sujeet jog <sujeet....@gmail.com>: >> >>> the datastax site has a hardware recommendation of 16CPU / 32G RAM for >>> DSE Enterprise, Any idea what is the minimum hardware recommendation >>> supported, can each node be 8CPU and the support covering it ?.. >>> >> >> > -- Ben Bromhead CTO | Instaclustr <https://www.instaclustr.com/> +1 650 284 9692 Reliability at Scale Cassandra, Spark, Elasticsearch on AWS, Azure, GCP and Softlayer
