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Add cgroup v2 QoS support for RBD volumes - #6274

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ceph:develfrom
Madhu-1:implement-qos
Jun 12, 2026
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Add cgroup v2 QoS support for RBD volumes#6274
mergify[bot] merged 12 commits into
ceph:develfrom
Madhu-1:implement-qos

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@Madhu-1 Madhu-1 commented May 13, 2026

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This PR implements cgroup v2 QoS enforcement for RBD volumes using Kubernetes VolumeAttributesClass (VAC). It enables administrators to apply I/O limits (IOPS and bandwidth) to krbd-backed volumes at the pod cgroup level, providing fine-grained I/O control without modifying the underlying RBD image configuration.

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Madhu-1 force-pushed the implement-qos branch 2 times, most recently from 7cac3cd to d3126aa Compare May 13, 2026 10:49
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/test ci/centos/mini-e2e/k8s-1.35/rbd

@Madhu-1 Madhu-1 added the ci/skip/multi-arch-build skip building on multiple architectures label May 13, 2026
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/test ci/centos/mini-e2e/k8s-1.35/rbd

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/test ci/centos/mini-e2e/k8s-1.33/rbd

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/test ci/centos/mini-e2e/k8s-1.34/rbd

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/test ci/centos/mini-e2e/k8s-1.34/rbd

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/test ci/centos/mini-e2e/k8s-1.34/rbd

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/test ci/centos/mini-e2e/k8s-1.34/rbd

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/test ci/centos/mini-e2e/k8s-1.34/rbd

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/test ci/centos/mini-e2e/k8s-1.34/rbd

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/test ci/centos/mini-e2e/k8s-1.34/rbd

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/test ci/centos/mini-e2e/k8s-1.34/rbd

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/test ci/centos/mini-e2e/k8s-1.34/rbd

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/test ci/centos/mini-e2e/k8s-1.34/rbd

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/test ci/centos/mini-e2e/k8s-1.34/rbd

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/test ci/centos/mini-e2e/k8s-1.34/rbd

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/test ci/centos/mini-e2e/k8s-1.34/rbd

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/test ci/centos/mini-e2e/k8s-1.34/rbd

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Deprecation notice: This pull request comes from a fork and was rebased using bot_account impersonation. This capability will be removed on July 1, 2026. After this date, the rebase action will no longer be able to rebase fork pull requests with this configuration. Please switch to the update action/command to ensure compatibility going forward.

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rebase

✅ Branch has been successfully rebased

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@Mergifyio queue

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queue

☑️ Command queue ignored because it is already running from a previous command.

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@Mergifyio dequeue

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@Mergifyio queue

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Merge Queue Status

🛑 Queue command has been cancelled

@iPraveenParihar iPraveenParihar added the ok-to-test Label to trigger E2E tests label Jun 12, 2026
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/test ci/centos/k8s-e2e-external-storage/1.34

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/test ci/centos/k8s-e2e-external-storage/1.35

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/test ci/centos/k8s-e2e-external-storage/1.36

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/test ci/centos/mini-e2e-helm/k8s-1.34

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/test ci/centos/mini-e2e-helm/k8s-1.35

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/test ci/centos/mini-e2e-helm/k8s-1.36

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/test ci/centos/mini-e2e/k8s-1.34

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/test ci/centos/upgrade-tests-cephfs

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/test ci/centos/mini-e2e/k8s-1.35

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/test ci/centos/mini-e2e/k8s-1.36

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/test ci/centos/upgrade-tests-rbd

@ceph-csi-bot ceph-csi-bot added ci/in-progress/e2e This label acts like a guard and prevents Mergify from adding the `ok-to-test` label again. and removed ok-to-test Label to trigger E2E tests labels Jun 12, 2026
@mergify mergify Bot removed the ci/in-progress/e2e This label acts like a guard and prevents Mergify from adding the `ok-to-test` label again. label Jun 12, 2026
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Deprecation notice: This pull request comes from a fork and was queued with update_method=rebase and update_bot_account impersonation. This capability will be removed on July 1, 2026. After this date, the merge queue will no longer be able to rebase fork pull requests with this configuration. To avoid disruption, switch to update_method=merge in your queue rule.

@mergify mergify Bot added the queued label Jun 12, 2026
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Merge Queue Status

  • ✅ Entered queue — 2026-06-12 11:11 UTC · Rule: default
  • ✅ Checks skipped · PR is already up-to-date
  • ✅ Merged — 2026-06-12 11:12 UTC · at 51fc01324a8f487691bc20899039354f9ab6b201 · rebase

This pull request spent 15 seconds in the queue, including 2 seconds running CI.

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mergify Bot merged commit ebb81a3 into ceph:devel Jun 12, 2026
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@mergify mergify Bot removed the queued label Jun 12, 2026
@yogananth-subramanian yogananth-subramanian mentioned this pull request Jul 23, 2026
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@yogananth-subramanian yogananth-subramanian mentioned this pull request Jul 31, 2026
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@iPraveenParihar iPraveenParihar iPraveenParihar approved these changes
@Rakshith-R Rakshith-R Rakshith-R approved these changes
@nixpanic nixpanic Awaiting requested review from nixpanic

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@Madhu-1 @iPraveenParihar @nixpanic @Rakshith-R @ceph-csi-bot