c4n-highmem-48 as a GKE node
48 vCPU372 GiBx86_64Google Cloud us-central1C4N High Memory 48
Where the c4n-highmem-48 goes
Default GKE setup: GKE ≤ 1.36.
CPU47.61 of 48 vCPU left for your pods
Memory357.41 GiB of 372 GiB left for your pods
your podsDaemonSets (200m, 300 MiB assumed)kubelet reservedeviction
110max pods per node
$3,653.72on demand / month · $5.01/h
$1,388.41spot / month (varies)
c4n-highmem-48 GKE max pods and allocatable memory — quick answers
- How many pods can a c4n-highmem-48 run as a node with GKE ≤ 1.36? Up to 110; kubelet keeps 14641 MiB of memory and 190m CPU, leaving 357.70 GiB and 47.81 vCPU for pods.
- How many pods can a c4n-highmem-48 run as a node with GKE 1.37+ (Container-Optimized OS)? Up to 110; kubelet keeps 2250 MiB of memory and 190m CPU, leaving 369.80 GiB and 47.81 vCPU for pods.
- How many 500m / 1 GiB pods fit? 95 per node after DaemonSets; 1 nodes for 10 replicas, about $3,653.72/month on demand.
What kubelet reserves on c4n-highmem-48
| Setup | Max pods | kube-reserved CPU | Memory reserved + eviction | Allocatable CPU | Allocatable memory | Memory usable |
|---|---|---|---|---|---|---|
| GKE ≤ 1.36 tiered memory reservation | 110 | 190m | 14541 Mi + 100 Mi | 47.81 | 357.70 GiB | 96.2% |
| GKE 1.37+ (Container-Optimized OS) 15 MiB × max pods + 500 MiB, CPU capped at 1 vCPU | 110 | 190m | 2150 Mi + 100 Mi | 47.81 | 369.80 GiB | 99.4% |
How these numbers are computed: reservation formulas. Check a live node with kubectl describe node → Allocatable.
How many pods fit on one c4n-highmem-48
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 | $34.15 |
| 250m / 256 Mi | 107 | 107 | $34.15 |
| 250m / 512 Mi | 107 | 107 | $34.15 |
| 500m / 512 Mi | 95 | 95 | $38.46 |
| 500m / 1024 Mi | 95 | 95 | $38.46 |
| 1000m / 1024 Mi | 47 | 47 | $77.74 |
| 1000m / 2048 Mi | 47 | 47 | $77.74 |
| 2000m / 4096 Mi | 23 | 23 | $158.86 |
| 4000m / 8192 Mi | 11 | 11 | $332.16 |
Similar GKE node types
| Type | vCPU | GiB | Alloc CPU | Alloc memory | Max pods | $/month | $ per alloc GiB |
|---|---|---|---|---|---|---|---|
| c4-highmem-48 | 48 | 372 | 47.81 | 357.70 GiB | 110 | $2,283.54 | $6.38 |
| c4-highmem-48-lssd | 48 | 372 | 47.81 | 357.70 GiB | 110 | $2,763.54 | $7.73 |
| c4n-highmem-48-lssd | 48 | 372 | 47.81 | 357.70 GiB | 110 | $3,893.72 | $10.89 |
| c4d-highmem-48 | 48 | 378 | 47.81 | 363.58 GiB | 110 | $2,181.63 | $6.00 |
| c4d-highmem-48-lssd | 48 | 378 | 47.81 | 363.58 GiB | 110 | $2,421.63 | $6.66 |
| n4a-highmem-48 | 48 | 384 | 47.81 | 369.46 GiB | 110 | $1,770.92 | $4.79 |
| n4d-highmem-48 | 48 | 384 | 47.81 | 369.46 GiB | 110 | $1,947.87 | $5.27 |
| n2d-highmem-48 | 48 | 384 | 47.81 | 369.46 GiB | 110 | $1,996.93 | $5.40 |
Closest match on other clouds
| Type | vCPU | GiB | Alloc CPU | Alloc memory | Max pods | $/month | $ per alloc GiB |
|---|---|---|---|---|---|---|---|
| e48psv6 | 48 | 384 | 47.42 | 378.97 GiB | 250 | $1,615.49 | $4.26 |
| r6g.12xlarge | 48 | 384 | 47.81 | 381.14 GiB | 234 | $1,766.02 | $4.63 |
| r7g.12xlarge | 48 | 384 | 47.81 | 381.14 GiB | 234 | $1,876.39 | $4.92 |
| r5a.12xlarge | 48 | 384 | 47.81 | 381.14 GiB | 234 | $1,979.76 | $5.19 |
| e48asv5 | 48 | 384 | 47.42 | 378.97 GiB | 250 | $1,979.76 | $5.22 |
| ec48asv5 | 48 | 384 | 47.42 | 378.97 GiB | 250 | $1,979.76 | $5.22 |