i3.metal as an EKS node

64 vCPU488 GiBx86_64Intel Xeon E5-2686 v4 (Broadwell)AWS us-east-1I3 High I/O Metal

Where the i3.metal goes

Default EKS setup: EKS, prefix delegation.

CPU63.57 of 64 vCPU left for your pods
Memory484.67 GiB of 488 GiB left for your pods
your podsDaemonSets (200m, 300 MiB assumed)kubelet reservedeviction
250max pods per node
$3,644.16on demand / month · $4.99/h

Will my pods fit on one i3.metal?

i3.metal EKS max pods and allocatable memory — quick answers

What kubelet reserves on i3.metal

SetupMax podskube-reserved CPUMemory reserved + evictionAllocatable CPUAllocatable memoryMemory usable
EKS, prefix delegation
ENABLE_PREFIX_DELEGATION=true
250230m3005 Mi + 100 Mi63.77484.97 GiB99.4%

How these numbers are computed: reservation formulas. How many subnet IPs a i3.metal takes with the VPC CNI: EKS max pods and IP calculator. Check a live node with kubectl describe node → Allocatable.

How many pods fit on one i3.metal

Assumes DaemonSets (CNI, kube-proxy, log and metrics agents) request 200m CPU, 300 Mi and 3 pods per node. Try your own numbers in the node calculator.

Pod requests (CPU / memory)EKS, prefix delegation$ per pod / month
100m / 128 Mi247$14.75
250m / 256 Mi247$14.75
250m / 512 Mi247$14.75
500m / 512 Mi127$28.69
500m / 1024 Mi127$28.69
1000m / 1024 Mi63$57.84
1000m / 2048 Mi63$57.84
2000m / 4096 Mi31$117.55
4000m / 8192 Mi15$242.94

Similar EKS node types

TypevCPUGiBAlloc CPUAlloc memoryMax pods$/month$ per alloc GiB
r4.16xlarge6448863.77479.74 GiB737$3,106.88$6.48
i3.16xlarge6448863.77479.74 GiB737$3,644.16$7.60
r6g.16xlarge6451263.77503.74 GiB737$2,354.69$4.67
r6g.metal6451263.77503.74 GiB737$2,354.69$4.67
r7g.16xlarge6451263.77503.74 GiB737$2,501.86$4.97
r7g.metal6451263.77503.74 GiB737$2,501.86$4.97
r5a.16xlarge6451263.77503.74 GiB737$2,639.68$5.24
r6a.16xlarge6451263.77503.74 GiB737$2,649.02$5.26

Closest match on other clouds

TypevCPUGiBAlloc CPUAlloc memoryMax pods$/month$ per alloc GiB
c4d-highmem-646450463.77487.06 GiB110$2,908.84$5.97
e64sv46450463.26498.97 GiB250$2,943.36$5.90
e64v46450463.26498.97 GiB250$2,943.36$5.90
c4d-highmem-64-lssd6450463.77487.06 GiB110$3,268.84$6.71
e64dsv46450463.26498.97 GiB250$3,363.84$6.74
e64dv46450463.26498.97 GiB250$3,363.84$6.74