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I have just performed diskspd test to confirm. EBS bandwidth limit is per EC2 Instance . Not per mounted EBS volume on the EC2 instance.
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0
This is a property of the ec2 instance. The EBS volumes will have their own resource capacity.
$ aws ec2 describe-instance-types --instance-types x2iezn.2xlarge --query "InstanceTypes[*].[InstanceType, EbsInfo.EbsOptimizedSupport, EbsInfo.EbsOptimizedInfo]" --output json
[
[
"x2iezn.2xlarge",
"default",
{
"BaselineBandwidthInMbps": 3170,
"BaselineThroughputInMBps": 396.25,
"BaselineIops": 13333,
"MaximumBandwidthInMbps": 3170,
"MaximumThroughputInMBps": 396.25,
"MaximumIops": 13333
}
]
]
0
Thanks for your quick reply philaws. Does it mean irrespective of how fast EBS volumes we provision and how many of them, we can not go over the 396.25 MBps total EBS limit per server for x2iezn.2xlarge?
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