c2d-highmem-56 as a GKE node
56 vCPU448 GiBx86_64Google Cloud us-central1C2D High Memory 56
Where the c2d-highmem-56 goes
Default GKE setup: GKE ≤ 1.36.
CPU55.59 of 56 vCPU left for your pods
Memory431.89 GiB of 448 GiB left for your pods
your podsDaemonSets (200m, 300 MiB assumed)kubelet reservedeviction
110max pods per node
$2,503.29on demand / month · $3.43/h
$1,340.70spot / month (varies)
c2d-highmem-56 GKE max pods and allocatable memory — quick answers
- How many pods can a c2d-highmem-56 run as a node with GKE ≤ 1.36? Up to 110; kubelet keeps 16197 MiB of memory and 210m CPU, leaving 432.18 GiB and 55.79 vCPU for pods.
- How many pods can a c2d-highmem-56 run as a node with GKE 1.37+ (Container-Optimized OS)? Up to 110; kubelet keeps 2250 MiB of memory and 210m CPU, leaving 445.80 GiB and 55.79 vCPU for pods.
- How many 500m / 1 GiB pods fit? 107 per node after DaemonSets; 1 nodes for 10 replicas, about $2,503.29/month on demand.
What kubelet reserves on c2d-highmem-56
| Setup | Max pods | kube-reserved CPU | Memory reserved + eviction | Allocatable CPU | Allocatable memory | Memory usable |
|---|---|---|---|---|---|---|
| GKE ≤ 1.36 tiered memory reservation | 110 | 210m | 16097 Mi + 100 Mi | 55.79 | 432.18 GiB | 96.5% |
| GKE 1.37+ (Container-Optimized OS) 15 MiB × max pods + 500 MiB, CPU capped at 1 vCPU | 110 | 210m | 2150 Mi + 100 Mi | 55.79 | 445.80 GiB | 99.5% |
How these numbers are computed: reservation formulas. Check a live node with kubectl describe node → Allocatable.
How many pods fit on one c2d-highmem-56
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) | GKE ≤ 1.36 | GKE 1.37+ (Container-Optimized OS) | $ per pod / month |
|---|---|---|---|
| 100m / 128 Mi | 107 | 107 | $23.40 |
| 250m / 256 Mi | 107 | 107 | $23.40 |
| 250m / 512 Mi | 107 | 107 | $23.40 |
| 500m / 512 Mi | 107 | 107 | $23.40 |
| 500m / 1024 Mi | 107 | 107 | $23.40 |
| 1000m / 1024 Mi | 55 | 55 | $45.51 |
| 1000m / 2048 Mi | 55 | 55 | $45.51 |
| 2000m / 4096 Mi | 27 | 27 | $92.71 |
| 4000m / 8192 Mi | 13 | 13 | $192.56 |
Similar GKE node types
| Type | vCPU | GiB | Alloc CPU | Alloc memory | Max pods | $/month | $ per alloc GiB |
|---|---|---|---|---|---|---|---|
| c3d-highmem-60 | 60 | 480 | 59.78 | 463.54 GiB | 110 | $2,682.09 | $5.79 |
| c3d-highmem-60-lssd | 60 | 480 | 59.78 | 463.54 GiB | 110 | $2,802.09 | $6.04 |
| n1-highmem-64 | 64 | 416 | 63.77 | 400.82 GiB | 110 | $2,763.56 | $6.89 |
| c4d-highmem-64 | 64 | 504 | 63.77 | 487.06 GiB | 110 | $2,908.84 | $5.97 |
| c4d-highmem-64-lssd | 64 | 504 | 63.77 | 487.06 GiB | 110 | $3,268.84 | $6.71 |
| n4a-highmem-64 | 64 | 512 | 63.77 | 494.90 GiB | 110 | $2,361.23 | $4.77 |
| n4d-highmem-64 | 64 | 512 | 63.77 | 494.90 GiB | 110 | $2,597.16 | $5.25 |
| n2d-highmem-64 | 64 | 512 | 63.77 | 494.90 GiB | 110 | $2,662.57 | $5.38 |
Closest match on other clouds
| Type | vCPU | GiB | Alloc CPU | Alloc memory | Max pods | $/month | $ per alloc GiB |
|---|---|---|---|---|---|---|---|
| nc64ast4v3 | 64 | 440 | 63.26 | 434.97 GiB | 250 | $3,176.96 | $7.30 |
| nv48sv3 | 48 | 448 | 47.42 | 442.97 GiB | 250 | $3,328.80 | $7.51 |
| e64isv3 | 64 | 432 | 63.26 | 426.97 GiB | 250 | $2,649.17 | $6.20 |
| e64iv3 | 64 | 432 | 63.26 | 426.97 GiB | 250 | $2,649.17 | $6.20 |
| e64sv3 | 64 | 432 | 63.26 | 426.97 GiB | 250 | $2,649.17 | $6.20 |
| e64v3 | 64 | 432 | 63.26 | 426.97 GiB | 250 | $2,649.17 | $6.20 |