m3-megamem-128 as a GKE node
128 vCPU1952 GiBx86_64Google Cloud us-central1M3 Mega Memory 128
Where the m3-megamem-128 goes
Default GKE setup: GKE ≤ 1.36.
CPU127.41 of 128 vCPU left for your pods
Memory1,905.81 GiB of 1952 GiB left for your pods
your podsDaemonSets (200m, 300 MiB assumed)kubelet reservedeviction
110max pods per node
$10,519.01on demand / month · $14.41/h
$5,396.53spot / month (varies)
m3-megamem-128 GKE max pods and allocatable memory — quick answers
- How many pods can a m3-megamem-128 run as a node with GKE ≤ 1.36? Up to 110; kubelet keeps 46999 MiB of memory and 390m CPU, leaving 1,906.10 GiB and 127.61 vCPU for pods.
- How many pods can a m3-megamem-128 run as a node with GKE 1.37+ (Container-Optimized OS)? Up to 110; kubelet keeps 2250 MiB of memory and 390m CPU, leaving 1,949.80 GiB and 127.61 vCPU for pods.
- How many 500m / 1 GiB pods fit? 107 per node after DaemonSets; 1 nodes for 10 replicas, about $10,519.01/month on demand.
What kubelet reserves on m3-megamem-128
| Setup | Max pods | kube-reserved CPU | Memory reserved + eviction | Allocatable CPU | Allocatable memory | Memory usable |
|---|---|---|---|---|---|---|
| GKE ≤ 1.36 tiered memory reservation | 110 | 390m | 46899 Mi + 100 Mi | 127.61 | 1,906.10 GiB | 97.6% |
| GKE 1.37+ (Container-Optimized OS) 15 MiB × max pods + 500 MiB, CPU capped at 1 vCPU | 110 | 390m | 2150 Mi + 100 Mi | 127.61 | 1,949.80 GiB | 99.9% |
How these numbers are computed: reservation formulas. Check a live node with kubectl describe node → Allocatable.
How many pods fit on one m3-megamem-128
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 | $98.31 |
| 250m / 256 Mi | 107 | 107 | $98.31 |
| 250m / 512 Mi | 107 | 107 | $98.31 |
| 500m / 512 Mi | 107 | 107 | $98.31 |
| 500m / 1024 Mi | 107 | 107 | $98.31 |
| 1000m / 1024 Mi | 107 | 107 | $98.31 |
| 1000m / 2048 Mi | 107 | 107 | $98.31 |
| 2000m / 4096 Mi | 63 | 63 | $166.97 |
| 4000m / 8192 Mi | 31 | 31 | $339.32 |
Similar GKE node types
| Type | vCPU | GiB | Alloc CPU | Alloc memory | Max pods | $/month | $ per alloc GiB |
|---|---|---|---|---|---|---|---|
| m4-megamem-112 | 112 | 1488 | 111.65 | 1,451.38 GiB | 110 | $6,458.56 | $4.45 |
| m4n-megamem-112 | 112 | 1488 | 111.65 | 1,451.38 GiB | 110 | $11,625.40 | $8.01 |
| n1-ultramem-80 | 80 | 1922 | 79.73 | 1,876.70 GiB | 110 | $7,790.85 | $4.15 |
| m1-ultramem-80 | 80 | 1922 | 79.73 | 1,876.70 GiB | 110 | $9,187.93 | $4.90 |
| m4-ultramem-112 | 112 | 2976 | 111.65 | 2,909.62 GiB | 110 | $11,422.68 | $3.93 |
| m4n-ultramem-112 | 112 | 2976 | 111.65 | 2,909.62 GiB | 110 | $20,560.81 | $7.07 |
| n1-megamem-96 | 96 | 1433.6 | 95.69 | 1,398.07 GiB | 110 | $6,649.44 | $4.76 |
| m1-megamem-96 | 96 | 1433.6 | 95.69 | 1,398.07 GiB | 110 | $7,776.08 | $5.56 |
Closest match on other clouds
| Type | vCPU | GiB | Alloc CPU | Alloc memory | Max pods | $/month | $ per alloc GiB |
|---|---|---|---|---|---|---|---|
| x1.32xlarge | 128 | 1952 | 127.61 | 1,949.14 GiB | 234 | $9,736.74 | $5.00 |
| m128lsv4 | 128 | 1946 | 126.62 | 1,940.97 GiB | 250 | $11,571.27 | $5.96 |
| m128dlsv4 | 128 | 1946 | 126.62 | 1,940.97 GiB | 250 | $12,149.83 | $6.26 |
| x2idn.32xlarge | 128 | 2048 | 127.61 | 2,039.74 GiB | 737 | $9,736.74 | $4.77 |
| x2idn.metal | 128 | 2048 | 127.61 | 2,039.74 GiB | 737 | $9,736.74 | $4.77 |
| x8i.32xlarge | 128 | 2048 | 127.61 | 2,031.39 GiB | 1514 | $10,223.74 | $5.03 |