More consistent throughput performance with larger instances.Īlso keep in mind that the I/O performance not only includes the disk IO, but also the network traffic. BecauseĪmazon EBS volumes require network access, you will see faster and Is to benchmark your real applications against the volume. small request sizes), so the best measure The exact performance will depend on the application (e.g. You can also attach multiple volumes toĪn instance and stripe across the volumes to achieve further increases What this means is that the EBS rates you get many not necessarily be worse or better than local instance storage it really depends on your data access behavior.Īmazon EBS volumes are designed to offer higher throughput than AmazonĮC2 instance stores for applications performing a lot of randomĪccesses across your data set. Such, the most accurate measure is to benchmark your specific Significantly based on the size of the requests, the randomness of theĪccess patterns, and the caching strategy used by the application. Q: What kind of latency and throughput rates can I expect to see fromĪmazon EBS volumes? The latency from an Amazon EC2 instance to anĪmazon EBS volume is similar to the latency you would see from the Instance Type I/O PerformanceĬc1.4xlarge Very High (10 Gigabit Ethernet)Ĭc2.8xlarge Very High (10 Gigabit Ethernet)Ĭg1.4xlarge Very High (10 Gigabit Ethernet)Īs for EBS volumes and the performance that you'll get, as the AWS FAQ suggests, you'll need to benchmark your application to see what to expect: The first thing to keep in mind that will have the most impact on your I/O performance is the instance type that you're using.
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