Re: AWS NVMe i3 instances performances

2017-03-01 Thread Romain Hardouin
Thanks for your feedback Daemeon!I'm a disappointed and I hope that some system settings will allow to leverage NVMe :-/What i3 instances did you benchmarked?Did you have a "preview access" to i3? Or was it available in a specific region before the announcement? Best,Romain Le Mercredi 1

Re: AWS NVMe i3 instances performances

2017-03-01 Thread daemeon reiydelle
We did. Found that, even with (CentOS, Ubuntu both for application compatibility reasons) that there is somewhat less IO and better CPU throughput at the price point. At the time my optimization work for that client ended, Amazon was looking at the IO issue, as perhaps the frame configurations

AWS NVMe i3 instances performances

2017-03-01 Thread Romain Hardouin
Hi all, AWS launched i3 instances few days ago*. NVMe SSDs seem very promising! Did someone already benchmark an i3 with Cassandra? e.g. i2 vs i3If yes, with which OS and kernel version?Did you make any system tuning for NVMe? e.g. PCIe IRQ? etc. We plan to make some benchmarks but Debian is not