No, I think I am ok with the time it takes. Just that, with the increase in the partitions along with the increase in the number of workers, I want to see the improvement in the performance of an application. I just want to see this happen. Any comments?
Thank You On Tue, Feb 24, 2015 at 8:52 PM, Sean Owen <so...@cloudera.com> wrote: > You can definitely, easily, try a 1-node standalone cluster for free. > Just don't be surprised when the CPU capping kicks in within about 5 > minutes of any non-trivial computation and suddenly the instance is > very s-l-o-w. > > I would consider just paying the ~$0.07/hour to play with an > m3.medium, which ought to be pretty OK for basic experimentation. > > On Tue, Feb 24, 2015 at 3:14 PM, Deep Pradhan <pradhandeep1...@gmail.com> > wrote: > > Thank You Sean. > > I was just trying to experiment with the performance of Spark > Applications > > with various worker instances (I hope you remember that we discussed > about > > the worker instances). > > I thought it would be a good one to try in EC2. So, it doesn't work out, > > does it? > > > > Thank You > > > > On Tue, Feb 24, 2015 at 8:40 PM, Sean Owen <so...@cloudera.com> wrote: > >> > >> The free tier includes 750 hours of t2.micro instance time per month. > >> http://aws.amazon.com/free/ > >> > >> That's basically a month of hours, so it's all free if you run one > >> instance only at a time. If you run 4, you'll be able to run your > >> cluster of 4 for about a week free. > >> > >> A t2.micro has 1GB of memory, which is small but something you could > >> possible get work done with. > >> > >> However it provides only burst CPU. You can only use about 10% of 1 > >> vCPU continuously due to capping. Imagine this as about 1/10th of 1 > >> core on your laptop. It would be incredibly slow. > >> > >> This is not to mention the network and I/O bottleneck you're likely to > >> run into as you don't get much provisioning with these free instances. > >> > >> So, no you really can't use this for anything that is at all CPU > >> intensive. It's for, say, running a low-traffic web service. > >> > >> On Tue, Feb 24, 2015 at 2:55 PM, Deep Pradhan < > pradhandeep1...@gmail.com> > >> wrote: > >> > Hi, > >> > I have just signed up for Amazon AWS because I learnt that it provides > >> > service for free for the first 12 months. > >> > I want to run Spark on EC2 cluster. Will they charge me for this? > >> > > >> > Thank You > > > > >
