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feat(mks): remove eol version 1.29 and update ram allocation on workers
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‎pages/public_cloud/containers_orchestration/managed_kubernetes/software-versions-reserved-resources/guide.en-gb.md‎

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---
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title: Kubernetes Plugins (CNI, CRI, CSI...) & softwares versions and reserved resources
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excerpt: ''
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updated: 2025-07-03
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updated: 2025-11-25
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---
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We list here some details on the Control Panel, the plugins (CNI, CRI, CSI...) & software versions we use and the resources we reserve on each Node.
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Currently, we support the following Kubernetes releases:
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* `1.28`
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* `1.29`
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* `1.30`
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* `1.31`
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* `1.32`
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* `1.33`
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* `1.34`
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If you run a Managed Kubernetes Service using an older version we strongly encourage you to use the [version upgrade feature](/pages/public_cloud/containers_orchestration/managed_kubernetes/upgrading-kubernetes-version) to receive official support for your cluster.
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We use `containerd` as the default CRI
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* `1.28`: 1.7.18
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* `1.29`: 1.7.18
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* `1.30`: 1.7.18
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* `1.31`: 1.7.18
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* `1.32`: 1.7.25
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* `1.33`: 2.1.3
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* `1.31`: 2.1.4
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* `1.32`: 2.1.4
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* `1.33`: 2.1.4
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* `1.34`: 2.1.4
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## CNI (Cluster Network Interface)
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The CNI plugin installed is [canal](https://github.com/projectcalico/canal) which embedded [calico](https://github.com/projectcalico/calico) for policy and [flannel](https://github.com/coreos/flannel/) for networking.
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The versions installed depends on the Kubernetes version:
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* `1.27`: calico v3.28.0, flannel v0.24.3
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* `1.28`: calico v3.28.0, flannel v0.24.3
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* `1.29`: calico v3.28.0, flannel v0.24.3
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* `1.30`: calico v3.28.0, flannel v0.24.3
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* `1.31`: calico v3.28.1, flannel v0.24.4
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* `1.30`: calico v3.29.1, flannel v0.24.4
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* `1.31`: calico v3.29.1, flannel v0.24.4
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* `1.32`: calico v3.29.1, flannel v0.24.4
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* `1.33`: calico v3.30.1, flannel v0.24.4
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* `1.34`: calico v3.30.1, flannel v0.24.4
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## CCM (Cloud-controller-manager)
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Our cloud-controller-manager (CCM) is based on the OpenStack cloud-controller-manager (OpenstackCCM) available in the [Cloud provider openstack](https://github.com/kubernetes/cloud-provider-openstack) repository.
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* `1.27`: OVH IOLB CCM based on OpenstackCCM 1.18, OVH Octavia CCM based on OpenstackCCM 1.29
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* `1.28`: OVH IOLB CCM based on OpenstackCCM 1.18, OVH Octavia CCM based on OpenstackCCM 1.29
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* `1.29`: OVH IOLB CCM based on OpenstackCCM 1.18, OVH Octavia CCM based on OpenstackCCM 1.29
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* `1.30`: OVH IOLB CCM based on OpenstackCCM 1.18, OVH Octavia CCM based on OpenstackCCM 1.29
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* `1.31`: OVH IOLB CCM based on OpenstackCCM 1.18, OVH Octavia CCM based on OpenstackCCM 1.29
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* `1.32`: OVH Octavia CCM based on OpenstackCCM 1.29
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* `1.33`: OVH Octavia CCM based on OpenstackCCM 1.33
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* `1.34`: OVH Octavia CCM based on OpenstackCCM 1.33
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## CSI (Container Storage Interface)
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The CSI plugin installed is [cinder](https://github.com/kubernetes/cloud-provider-openstack).
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The versions depend on the Kubernetes cluster version:
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* `1.27`: csi-plugin v1.29.0, csi-attacher v4.3.0, csi-provisioner v3.5.0, csi-snapshotter v6.2.2, snapshot-controller: v6.2.2, csi-resizer v1.8.0
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* `1.28`: csi-plugin v1.29.0, csi-attacher v4.4.2, csi-provisioner v3.6.2, csi-snapshotter v6.3.2, snapshot-controller: v6.3.2, csi-resizer v1.9.2
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* `1.29`: csi-plugin v1.29.0, csi-attacher v4.5.0, csi-provisioner v3.6.3, csi-snapshotter v6.3.3 snapshot-controller: v6.3.3, csi-resizer v1.10.0
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* `1.30`: csi-plugin v1.29.0, csi-attacher v4.5.0, csi-provisioner v3.6.3, csi-snapshotter v6.3.3 snapshot-controller: v6.3.3, csi-resizer v1.10.0
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* `1.31`: csi-plugin v1.29.0, csi-attacher v4.5.0, csi-provisioner v3.6.3, csi-snapshotter v6.3.3 snapshot-controller: v6.3.3, csi-resizer v1.10.0
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* `1.32`: csi-plugin v1.29.0, csi-attacher v4.5.0, csi-provisioner v3.6.3, csi-snapshotter v6.3.3 snapshot-controller: v6.3.3, csi-resizer v1.10.0
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* `1.31`: csi-plugin v1.29.0, csi-attacher v4.10.0, csi-provisioner v5.3.0, csi-snapshotter v6.3.3 snapshot-controller: v8.3.0, csi-resizer v1.14.0
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* `1.32`: csi-plugin v1.29.0, csi-attacher v4.10.0, csi-provisioner v5.3.0, csi-snapshotter v6.3.3 snapshot-controller: v8.3.0, csi-resizer v1.14.0
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* `1.33`: csi-plugin v1.29.0, csi-attacher v4.10.0, csi-provisioner v5.3.0, csi-snapshotter v6.3.3 snapshot-controller: v8.3.0, csi-resizer v1.14.0
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* `1.34`: csi-plugin v1.29.0, csi-attacher v4.10.0, csi-provisioner v5.3.0, csi-snapshotter v6.3.3 snapshot-controller: v8.3.0, csi-resizer v1.14.0
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## Other components
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The versions are:
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* `1.26`: coredns v1.11.1, metrics-server v0.6.4
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* `1.27`: coredns v1.11.3, metrics-server v0.7.2
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* `1.28`: coredns v1.11.3, metrics-server v0.7.2
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* `1.29`: coredns v1.11.3, metrics-server v0.7.2
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* `1.30`: coredns v1.11.3, metrics-server v0.7.2
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* `1.31`: coredns v1.11.3, metrics-server v0.7.2
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* `1.32`: coredns v1.12.0, metrics-server v0.7.2
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* `1.33`: coredns v1.12.1, metrics-server v0.7.2
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* `1.30`: coredns v1.12.1, metrics-server v0.7.2
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* `1.31`: coredns v1.12.4, metrics-server v0.8.0
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* `1.32`: coredns v1.12.4, metrics-server v0.8.0
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* `1.33`: coredns v1.12.4, metrics-server v0.8.0
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* `1.34`: coredns v1.12.4, metrics-server v0.8.0
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## Enabled policies
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* **CPU** reservation is defined through this formula:
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> 15 % of 1 CPU + 0,5% of all CPU cores
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* **RAM** reservation is defined through this formula:
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> 1024 MB + 5% of total memory
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* **RAM** reservation is a constant:
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> 1590 MB
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* **Storage** reservation is defined through this formula:
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> log10(total storage in GB) * 10 + 10% of total storage
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This table sums up the reserved resources on b2 and b3 flavors:
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| Flavor | vCore | Reserved CPU (ms) | Total RAM | Reserved RAM (GB) | Total storage (GB) | Reserved storage (GB) |
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|-|-|-|-|-|-|-|
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| b2-7 | 2 | 160 | 7 | 1,98 | 50 | 22 |
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| b2-15 | 4 | 170 | 15 | 2,4 | 100 | 30 |
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| b2-30 | 8 | 190 | 30 | 3,16 | 200 | 43 |
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| b2-60 | 16 | 230 | 60 | 4,7 | 400 | 66 |
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| b2-120 | 32 | 310 | 120 | 7,77 | 400 | 66 |
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| b3-8 | 2 | 160 | 8 | 2 | 50 | 22 |
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| b3-16 | 4 | 170 | 16 | 2,44 | 100 | 30 |
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| b3-32 | 8 | 190 | 32 | 3,26 | 200 | 43 |
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| b3-64 | 16 | 230 | 64 | 4,9 | 400 | 66 |
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| b3-128 | 32 | 310 | 128 | 8,18 | 400 | 66 |
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| b3-256 | 64 | 470 | 256 | 14,73 | 400 | 66 |
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| ------ | ----- | ----------------- | --------- | ----------------- | ------------------ | --------------------- |
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| b2-7 | 2 | 160 | 7 | 1,59 | 50 | 22 |
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| b2-15 | 4 | 170 | 15 | 1,59 | 100 | 30 |
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| b2-30 | 8 | 190 | 30 | 1,59 | 200 | 43 |
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| b2-60 | 16 | 230 | 60 | 1,59 | 400 | 66 |
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| b2-120 | 32 | 310 | 120 | 1,59 | 400 | 66 |
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| b3-8 | 2 | 160 | 8 | 1,59 | 50 | 22 |
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| b3-16 | 4 | 170 | 16 | 1,59 | 100 | 30 |
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| b3-32 | 8 | 190 | 32 | 1,59 | 200 | 43 |
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| b3-64 | 16 | 230 | 64 | 1,59 | 400 | 66 |
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| b3-128 | 32 | 310 | 128 | 1,59 | 400 | 66 |
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| b3-256 | 64 | 470 | 256 | 1,59 | 400 | 66 |
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## Go further
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