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Amazon EBS–Optimized Instances
An Amazon EBS–optimized instance uses an optimized configuration stack and provides additional, dedicated capacity for Amazon EBS I/O. This optimization provides the best performance for your EBS volumes by minimizing contention between Amazon EBS I/O and other traffic from your instance.
EBS–optimized instances deliver dedicated bandwidth to Amazon EBS, with options between
425 Mib/s and 14,000 Mib/s, depending on the instance type you
use. When attached to an EBS–optimized instance, General Purpose SSD (gp2) volumes are designed
to deliver their baseline and burst performance 99% of the time, and Provisioned IOPS
SSD (io1) volumes
are designed to deliver their provisioned performance 99.9% of the time. Both Throughput
Optimized HDD
(st1) and Cold HDD (sc1) guarantee performance consistency of 90% of burst throughput 99%
of the time. Non-compliant periods are approximately uniformly distributed, targeting
99% of
expected total throughput each hour. For more information, see Amazon EBS Volume Types.
Contents
Supported Instance Types
The following tables show which instance types support EBS optimization. They include the dedicated bandwidth to Amazon EBS, the typical maximum aggregate throughput that can be achieved on that connection with a streaming read workload and 128 KiB I/O size, and the maximum IOPS the instance can support if you are using a 16 KiB I/O size. Choose an EBS–optimized instance that provides more dedicated Amazon EBS throughput than your application needs; otherwise, the connection between Amazon EBS and Amazon EC2 can become a performance bottleneck.
EBS Optimized By Default
The following table lists the instance types that support EBS optimization and EBS optimization is enabled by default. There is no need to enable EBS optimization and no effect if you disable EBS optimization.
| Instance type | Maximum bandwidth (Mib/s) | Maximum throughput (MiB/s, 128 KiB I/O) | Maximum IOPS (16 KiB I/O) |
|---|---|---|---|
a1.medium |
3,500 | 437.5 | 20,000 |
a1.large |
3,500 | 437.5 | 20,000 |
a1.xlarge |
3,500 | 437.5 | 20,000 |
a1.2xlarge |
3,500 | 437.5 | 20,000 |
a1.4xlarge |
3,500 | 437.5 | 20,000 |
a1.metal |
3,500 | 437.5 | 20,000 |
c4.large |
500 | 62.5 | 4,000 |
c4.xlarge |
750 | 93.75 | 6,000 |
c4.2xlarge |
1,000 | 125 | 8,000 |
c4.4xlarge |
2,000 | 250 | 16,000 |
c4.8xlarge |
4,000 | 500 | 32,000 |
c5.large *
|
3,500 | 437.5 | 20,000 |
c5.xlarge *
|
3,500 | 437.5 | 20,000 |
c5.2xlarge *
|
3,500 | 437.5 | 20,000 |
c5.4xlarge |
3,500 | 437.5 | 20,000 |
c5.9xlarge |
7,000 | 875 | 40,000 |
c5.12xlarge |
7,000 | 875 | 40,000 |
c5.18xlarge |
14,000 | 1,750 | 80,000 |
c5.24xlarge |
14,000 | 1,750 | 80,000 |
c5.metal |
14,000 | 1,750 | 80,000 |
c5d.large *
|
3,500 | 437.5 | 20,000 |
c5d.xlarge *
|
3,500 | 437.5 | 20,000 |
c5d.2xlarge *
|
3,500 | 437.5 | 20,000 |
c5d.4xlarge |
3,500 | 437.5 | 20,000 |
c5d.9xlarge |
7,000 | 875 | 40,000 |
c5d.18xlarge |
14,000 | 1,750 | 80,000 |
c5n.large *
|
3,500 | 437.5 | 20,000 |
c5n.xlarge *
|
3,500 | 437.5 | 20,000 |
c5n.2xlarge *
|
3,500 | 437.5 | 20,000 |
c5n.4xlarge |
3,500 | 437.5 | 20,000 |
c5n.9xlarge |
7,000 | 875 | 40,000 |
c5n.18xlarge |
14,000 | 1,750 | 80,000 |
c5n.metal |
14,000 | 1,750 | 80,000 |
d2.xlarge |
750 | 93.75 | 6,000 |
d2.2xlarge |
1,000 | 125 | 8,000 |
d2.4xlarge |
2,000 | 250 | 16,000 |
d2.8xlarge |
4,000 | 500 | 32,000 |
f1.2xlarge |
1,700 | 212.5 | 12,000 |
f1.4xlarge |
3,500 | 400 | 44,000 |
f1.16xlarge |
14,000 | 1,750 | 75,000 |
g3s.xlarge |
850 | 100 | 5,000 |
g3.4xlarge |
3,500 | 437.5 | 20,000 |
g3.8xlarge |
7,000 | 875 | 40,000 |
g3.16xlarge |
14,000 | 1,750 | 80,000 |
g4dn.xlarge |
3,500 | 437.5 | 10,000 |
g4dn.2xlarge |
3,500 | 437.5 | 20,000 |
g4dn.4xlarge |
3,500 | 437.5 | 20,000 |
g4dn.8xlarge |
7,000 | 875 | 40,000 |
g4dn.12xlarge |
7,000 | 875 | 40,000 |
g4dn.16xlarge |
7,000 | 875 | 40,000 |
h1.2xlarge |
1,750 | 218.75 | 12,000 |
h1.4xlarge |
3,500 | 437.5 | 20,000 |
h1.8xlarge |
7,000 | 875 | 40,000 |
h1.16xlarge |
14,000 | 1,750 | 80,000 |
i3.large |
425 | 53.13 | 3000 |
i3.xlarge |
850 | 106.25 | 6000 |
i3.2xlarge |
1,700 | 212.5 | 12,000 |
i3.4xlarge |
3,500 | 437.5 | 16,000 |
i3.8xlarge |
7,000 | 875 | 32,500 |
i3.16xlarge |
14,000 | 1,750 | 65,000 |
i3.metal |
14,000 | 1,750 | 65,000 |
i3en.large *
|
3,500 | 437.5 | 20,000 |
i3en.xlarge *
|
3,500 | 437.5 | 20,000 |
i3en.2xlarge *
|
3,500 | 437.5 | 20,000 |
i3en.3xlarge *
|
3,500 | 437.5 | 20,000 |
i3en.6xlarge |
3,500 | 437.5 | 20,000 |
i3en.12xlarge |
7,000 | 875 | 40,000 |
i3en.24xlarge |
14,000 | 1,750 | 80,000 |
i3en.metal |
14,000 | 1,750 | 80,000 |
m4.large |
450 | 56.25 | 3,600 |
m4.xlarge |
750 | 93.75 | 6,000 |
m4.2xlarge |
1,000 | 125 | 8,000 |
m4.4xlarge |
2,000 | 250 | 16,000 |
m4.10xlarge |
4,000 | 500 | 32,000 |
m4.16xlarge |
10,000 | 1,250 | 65,000 |
m5.large *
|
3,500 | 437.5 | 18,750 |
m5.xlarge *
|
3,500 | 437.5 | 18,750 |
m5.2xlarge *
|
3,500 | 437.5 | 18,750 |
m5.4xlarge |
3,500 | 437.5 | 18,750 |
m5.8xlarge |
5,000 | 625 | 30,000 |
m5.12xlarge |
7,000 | 875 | 40,000 |
m5.16xlarge |
10,000 | 1,250 | 60,000 |
m5.24xlarge |
14,000 | 1,750 | 80,000 |
m5.metal |
14,000 | 1,750 | 80,000 |
m5a.large *
|
2,120 | 265 | 16,000 |
m5a.xlarge *
|
2,120 | 265 | 16,000 |
m5a.2xlarge *
|
2,120 | 265 | 16,000 |
m5a.4xlarge |
2,120 | 265 | 16,000 |
m5a.8xlarge |
3,500 | 437.5 | 20,000 |
m5a.12xlarge |
5,000 | 625 | 30,000 |
m5a.16xlarge |
7,000 | 875 | 40,000 |
m5a.24xlarge |
10,000 | 1,250 | 60,000 |
m5ad.large *
|
2,120 | 265 | 16,000 |
m5ad.xlarge *
|
2,120 | 265 | 16,000 |
m5ad.2xlarge *
|
2,120 | 265 | 16,000 |
m5ad.4xlarge |
2,120 | 265 | 16,000 |
m5ad.12xlarge |
5,000 | 675 | 30,000 |
m5ad.24xlarge |
10,000 | 1,250 | 60,000 |
m5d.large *
|
3,500 | 437.5 | 18,750 |
m5d.xlarge *
|
3,500 | 437.5 | 18,750 |
m5d.2xlarge *
|
3,500 | 437.5 | 18,750 |
m5d.4xlarge |
3,500 | 437.5 | 18,750 |
m5d.8xlarge |
5,000 | 625 | 30,000 |
m5d.12xlarge |
7,000 | 875 | 40,000 |
m5d.16xlarge |
10,000 | 1,250 | 60,000 |
m5d.24xlarge |
14,000 | 1,750 | 80,000 |
m5d.metal |
14,000 | 1,750 | 80,000 |
m5dn.large *
|
3,500 | 437.5 | 18,750 |
m5dn.xlarge *
|
3,500 | 437.5 | 18,750 |
m5dn.2xlarge *
|
3,500 | 437.5 | 18,750 |
m5dn.4xlarge |
3,500 | 437.5 | 18,750 |
m5dn.8xlarge |
5,000 | 625 | 30,000 |
m5dn.12xlarge |
7,000 | 875 | 40,000 |
m5dn.16xlarge |
10,000 | 1,250 | 60,000 |
m5dn.24xlarge |
14,000 | 1,750 | 80,000 |
m5n.large *
|
3,500 | 437.5 | 18,750 |
m5n.xlarge *
|
3,500 | 437.5 | 18,750 |
m5n.2xlarge *
|
3,500 | 437.5 | 18,750 |
m5n.4xlarge |
3,500 | 437.5 | 18,750 |
m5n.8xlarge |
5,000 | 625 | 30,000 |
m5n.12xlarge |
7,000 | 875 | 40,000 |
m5n.16xlarge |
10,000 | 1,250 | 60,000 |
m5n.24xlarge |
14,000 | 1,750 | 80,000 |
p2.xlarge |
750 | 93.75 | 6,000 |
p2.8xlarge |
5,000 | 625 | 32,500 |
p2.16xlarge |
10,000 | 1,250 | 65,000 |
p3.2xlarge |
1,750 | 218 | 10,000 |
p3.8xlarge |
7,000 | 875 | 40,000 |
p3.16xlarge |
14,000 | 1,750 | 80,000 |
p3dn.24xlarge |
14,000 | 1,750 | 80,000 |
r4.large |
425 | 53.13 | 3,000 |
r4.xlarge |
850 | 106.25 | 6,000 |
r4.2xlarge |
1,700 | 212.5 | 12,000 |
r4.4xlarge |
3,500 | 437.5 | 18,750 |
r4.8xlarge |
7,000 | 875 | 37,500 |
r4.16xlarge |
14,000 | 1,750 | 75,000 |
r5.large *
|
3,500 | 437.5 | 18,750 |
r5.xlarge *
|
3,500 | 437.5 | 18,750 |
r5.2xlarge *
|
3,500 | 437.5 | 18,750 |
r5.4xlarge |
3,500 | 437.5 | 18,750 |
r5.8xlarge |
5,000 | 625 | 30,000 |
r5.12xlarge |
7,000 | 875 | 40,000 |
r5.16xlarge |
10,000 | 1,250 | 60,000 |
r5.24xlarge |
14,000 | 1,750 | 80,000 |
r5.metal |
14,000 | 1,750 | 80,000 |
r5a.large *
|
2,120 | 265 | 16,000 |
r5a.xlarge *
|
2,120 | 265 | 16,000 |
r5a.2xlarge *
|
2,120 | 265 | 16,000 |
r5a.4xlarge |
2,120 | 265 | 16,000 |
r5a.8xlarge |
3,500 | 437.5 | 32,000 |
r5a.12xlarge |
5,000 | 625 | 30,000 |
r5a.16xlarge |
7,000 | 875 | 40,000 |
r5a.24xlarge |
10,000 | 1,250 | 60,000 |
r5ad.large *
|
2,210 | 265 | 16,000 |
r5ad.xlarge *
|
2,210 | 265 | 16,000 |
r5ad.2xlarge *
|
2,210 | 265 | 16,000 |
r5ad.4xlarge |
2,210 | 265 | 16,000 |
r5ad.12xlarge |
5,000 | 625 | 30,000 |
r5ad.24xlarge |
10,000 | 1,250 | 60,000 |
r5d.large *
|
3,500 | 437.5 | 18,750 |
r5d.xlarge *
|
3,500 | 437.5 | 18,750 |
r5d.2xlarge *
|
3,500 | 437.5 | 18,750 |
r5d.4xlarge |
3,500 | 437.5 | 18,750 |
r5d.8xlarge |
5,000 | 625 | 30,000 |
r5d.12xlarge |
7,000 | 875 | 40,000 |
r5d.16xlarge |
10,000 | 1,250 | 60,000 |
r5d.24xlarge |
14,000 | 1,750 | 80,000 |
r5d.metal |
14,000 | 1,750 | 80,000 |
r5dn.large *
|
3,500 | 437.5 | 18,750 |
r5dn.xlarge *
|
3,500 | 437.5 | 18,750 |
r5dn.2xlarge *
|
3,500 | 437.5 | 18,750 |
r5dn.4xlarge |
3,500 | 437.5 | 18,750 |
r5dn.8xlarge |
5,000 | 625 | 30,000 |
r5dn.12xlarge |
7,000 | 875 | 40,000 |
r5dn.16xlarge |
10,000 | 1,250 | 60,000 |
r5dn.24xlarge |
14,000 | 1,750 | 80,000 |
r5n.large *
|
3,500 | 437.5 | 18,750 |
r5n.xlarge *
|
3,500 | 437.5 | 18,750 |
r5n.2xlarge *
|
3,500 | 437.5 | 18,750 |
r5n.4xlarge |
3,500 | 437.5 | 18,750 |
r5n.8xlarge |
5,000 | 625 | 30,000 |
r5n.12xlarge |
7,000 | 875 | 40,000 |
r5n.16xlarge |
10,000 | 1,250 | 60,000 |
r5n.24xlarge |
14,000 | 1,750 | 80,000 |
t3.nano *
|
1,536 | 192 | 11,800 |
t3.micro *
|
1,536 | 192 | 11,800 |
t3.small *
|
1,536 | 192 | 11,800 |
t3.medium *
|
1,536 | 192 | 11,800 |
t3.large *
|
2,048 | 256 | 15,700 |
t3.xlarge *
|
2,048 | 256 | 15,700 |
t3.2xlarge *
|
2,048 | 256 | 15,700 |
t3a.nano *
|
1,536 | 192 | 11,800 |
t3a.micro *
|
1,536 | 192 | 11,800 |
t3a.small *
|
1,536 | 192 | 11,800 |
t3a.medium *
|
1,536 | 192 | 11,800 |
t3a.large *
|
2,048 | 256 | 15,700 |
t3a.xlarge *
|
2,048 | 256 | 15,700 |
t3a.2xlarge *
|
2,048 | 256 | 15,700 |
u-6tb1.metal |
14,000 | 1,750 | 80,000 |
u-9tb1.metal |
14,000 | 1,750 | 80,000 |
u-12tb1.metal |
14,000 | 1,750 | 80,000 |
u-18tb1.metal |
28,000 | 3,500 | 160,000 |
u-24tb1.metal |
28,000 | 3,500 | 160,000 |
x1.16xlarge |
7,000 | 875 | 40,000 |
x1.32xlarge |
14,000 | 1,750 | 80,000 |
x1e.xlarge |
500 | 62.5 | 3,700 |
x1e.2xlarge |
1,000 | 125 | 7,400 |
x1e.4xlarge |
1,750 | 218.75 | 10,000 |
x1e.8xlarge |
3,500 | 437.5 | 20,000 |
x1e.16xlarge |
7,000 | 875 | 40,000 |
x1e.32xlarge |
14,000 | 1,750 | 80,000 |
z1d.large *
|
2,333 | 291 | 13,333 |
z1d.xlarge *
|
2,333 | 291 | 13,333 |
z1d.2xlarge |
2,333 | 292 | 13,333 |
z1d.3xlarge |
3,500 | 438 | 20,000 |
z1d.6xlarge |
7,000 | 875 | 40,000 |
z1d.12xlarge |
14,000 | 1,750 | 80,000 |
z1d.metal |
14,000 | 1,750 | 80,000 |
* These instance types can support maximum performance for 30 minutes at least once
every 24 hours. For example, c5.large
instances can deliver 437.5 Mib/s for 30 minutes at least once every 24 hours.
If you have a workload that requires sustained maximum performance for longer
than 30 minutes, select an instance type according to baseline performance as shown
in the following table:
| Instance type | Baseline bandwidth (Mib/s) | Baseline throughput (MiB/s, 128 KiB I/O) | Baseline IOPS (16 KiB I/O) |
|---|---|---|---|
c5.large |
525 | 65.625 | 4,000 |
c5.xlarge |
800 | 100 | 6,000 |
c5.2xlarge |
1,750 | 218.75 | 10,000 |
c5d.large |
525 | 65.625 | 4,000 |
c5d.xlarge |
800 | 100 | 6,000 |
c5d.2xlarge |
1,750 | 218.75 | 10,000 |
c5n.large |
525 | 65.625 | 4,000 |
c5n.xlarge |
800 | 100 | 6,000 |
c5n.2xlarge |
1,750 | 218.75 | 10,000 |
i3en.large |
425 | 53.125 | 3,000 |
i3en.xlarge |
850 | 106.25 | 6,000 |
i3en.2xlarge |
1,700 | 212.5 | 12,000 |
i3en.3xlarge |
2,800 | 350 | 15,000 |
m5.large |
480 | 60 | 3,600 |
m5.xlarge |
850 | 106.25 | 6,000 |
m5.2xlarge |
1,700 | 212.5 | 12,000 |
m5a.large |
480 | 60 | 3,600 |
m5a.xlarge |
800 | 100 | 6,000 |
m5a.2xlarge |
1,166 | 146 | 8,333 |
m5ad.large |
480 | 60 | 3,600 |
m5ad.xlarge |
800 | 100 | 6,000 |
m5ad.2xlarge |
1,166 | 146 | 8,333 |
m5d.large |
480 | 60 | 3,600 |
m5d.xlarge |
850 | 106.25 | 6,000 |
m5d.2xlarge |
1,700 | 212.5 | 12,000 |
r5.large |
480 | 60 | 3,600 |
r5.xlarge |
850 | 106.25 | 6,000 |
r5.2xlarge |
1,700 | 212.5 | 12,000 |
r5a.large |
480 | 60 | 3,600 |
r5a.xlarge |
800 | 100 | 6,000 |
r5a.2xlarge |
1,166 | 146 | 8,333 |
r5ad.large |
480 | 60 | 3,600 |
r5ad.xlarge |
800 | 100 | 6,000 |
r5ad.2xlarge |
1,166 | 146 | 8,333 |
r5d.large |
480 | 60 | 3,600 |
r5d.xlarge |
850 | 106.25 | 6,000 |
r5d.2xlarge |
1,700 | 212.5 | 12,000 |
t3.nano |
32 | 4 | 250 |
t3.micro |
64 | 8 | 500 |
t3.small |
128 | 16 | 1,000 |
t3.medium |
256 | 32 | 2,000 |
t3.large |
512 | 64 | 4,000 |
t3.xlarge |
512 | 64 | 4,000 |
t3.2xlarge |
512 | 64 | 4,000 |
t3a.nano |
32 | 4 | 250 |
t3a.micro |
64 | 8 | 500 |
t3a.small |
128 | 16 | 1,000 |
t3a.medium |
256 | 32 | 2,000 |
t3a.large |
512 | 64 | 4,000 |
t3a.xlarge |
512 | 64 | 4,000 |
t3a.2xlarge |
512 | 64 | 4,000 |
z1d.large |
583 | 73 | 3,333 |
z1d.xlarge |
1,167 | 146 | 6,667 |
The EBSIOBalance% and EBSByteBalance%
metrics can help you determine if your instances are sized correctly. You can view
these metrics in the CloudWatch console and set
an alarm that is triggered based on a threshold you specify. These metrics are expressed
as
a percentage. Instances with a consistently low balance percentage are candidates
for upsizing.
Instances where the balance percentage never drops below 100% are candidates for downsizing.
For more information, see Monitoring Your Instances Using CloudWatch.
EBS Optimization Supported
The following table lists the instance types that support EBS optimization but EBS optimization is not enabled by default. You can enable EBS optimization when you launch these instances or after they are running. Instances must have EBS optimization enabled to achieve the level of performance described. When you enable EBS optimization for an instance that is not EBS-optimized by default, you pay an additional low, hourly fee for the dedicated capacity. For pricing information, see EBS-optimized Instances on the Amazon EC2 Pricing page for On-Demand instances.
| Instance type | Maximum bandwidth (Mib/s) | Maximum throughput (MiB/s, 128 KiB I/O) | Maximum IOPS (16 KiB I/O) |
|---|---|---|---|
c1.xlarge |
1,000 | 125 | 8,000 |
c3.xlarge |
500 | 62.5 | 4,000 |
c3.2xlarge |
1,000 | 125 | 8,000 |
c3.4xlarge |
2,000 | 250 | 16,000 |
g2.2xlarge |
1,000 | 125 | 8,000 |
i2.xlarge |
500 | 62.5 | 4,000 |
i2.2xlarge |
1,000 | 125 | 8,000 |
i2.4xlarge |
2,000 | 250 | 16,000 |
m1.large |
500 | 62.5 | 4,000 |
m1.xlarge |
1,000 | 125 | 8,000 |
m2.2xlarge |
500 | 62.5 | 4,000 |
m2.4xlarge |
1,000 | 125 | 8,000 |
m3.xlarge |
500 | 62.5 | 4,000 |
m3.2xlarge |
1,000 | 125 | 8,000 |
r3.xlarge |
500 | 62.5 | 4,000 |
r3.2xlarge |
1,000 | 125 | 8,000 |
r3.4xlarge |
2,000 | 250 | 16,000 |
The i2.8xlarge, c3.8xlarge, and r3.8xlarge instances
do not have dedicated EBS bandwidth and therefore do not offer EBS optimization. On
these
instances, network traffic and Amazon EBS traffic share the same 10-gigabit network
interface.
Enabling EBS Optimization at Launch
You can enable optimization for an instance by setting its attribute for EBS optimization.
To enable Amazon EBS optimization when launching an instance using the console
-
Open the Amazon EC2 console at https://console.aws.amazon.com/ec2/.
-
Choose Launch Instance.
-
In Step 1: Choose an Amazon Machine Image (AMI), select an AMI.
-
In Step 2: Choose an Instance Type, select an instance type that is listed as supporting Amazon EBS optimization.
-
In Step 3: Configure Instance Details, complete the fields that you need and choose Launch as EBS-optimized instance. If the instance type that you selected in the previous step doesn't support Amazon EBS optimization, this option is not present. If the instance type that you selected is Amazon EBS–optimized by default, this option is selected and you can't deselect it.
-
Follow the directions to complete the wizard and launch your instance.
To enable EBS optimization when launching an instance using the command line
You can use one of the following options with the corresponding command. For more information about these command line interfaces, see Accessing Amazon EC2.
-
--ebs-optimizedwith run-instances (AWS CLI) -
-EbsOptimizedwith New-EC2Instance (AWS Tools for Windows PowerShell)
Enable EBS Optimization for a Running Instance
You can enable or disable optimization for a running instance by modifying its Amazon EBS–optimized instance attribute.
To enable EBS optimization for a running instance using the console
-
Open the Amazon EC2 console at https://console.aws.amazon.com/ec2/.
-
In the navigation pane, click Instances, and select the instance.
-
Click Actions, select Instance State, and then click Stop.
Warning
When you stop an instance, the data on any instance store volumes is erased. To keep data from instance store volumes, be sure to back it up to persistent storage.
-
In the confirmation dialog box, click Yes, Stop. It can take a few minutes for the instance to stop.
-
With the instance still selected, click Actions, select Instance Settings, and then click Change Instance Type.
-
In the Change Instance Type dialog box, do one of the following:
-
If the instance type of your instance is Amazon EBS–optimized by default, EBS-optimized is selected and you can't change it. You can choose Cancel, because Amazon EBS optimization is already enabled for the instance.
-
If the instance type of your instance supports Amazon EBS optimization, choose EBS-optimized, Apply.
-
If the instance type of your instance does not support Amazon EBS optimization, you can't choose EBS-optimized. You can select an instance type from Instance Type that supports Amazon EBS optimization, and then choose EBS-optimized, Apply.
-
-
Choose Actions, Instance State, Start.
To enable EBS optimization for a running instance using the command line
You can use one of the following options with the corresponding command. For more information about these command line interfaces, see Accessing Amazon EC2.
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--ebs-optimizedwith modify-instance-attribute (AWS CLI) -
-EbsOptimizedwith Edit-EC2InstanceAttribute (AWS Tools for Windows PowerShell)
