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1. QoS provides settings for rbd volume read/write iops and read/write bandwidth. 2. All QoS parameters are placed in the SC, send QoS parameters from SC to Cephcsi through PVC create request. 3. We need provide QoS parameters in the SC as below: - BaseReadIops - BaseWriteIops - BaseReadBytesPerSecond - BaseWriteBytesPerSecond - ReadIopsPerGB - WriteIopsPerGB - ReadBpsPerGB - WriteBpsPerGB - BaseVolSizeBytes There are 4 base qos parameters among them, when users apply for a volume capacity equal to or less than BaseVolSizebytes, use base qos limit. For the portion of capacity exceeding BaseVolSizebytes, QoS will be increased in steps set per GB. If the step size parameter per GB is not provided, only base QoS limit will be used and not associated with capacity size. 4. If PVC has resize request, adjust the QoS limit according to the QoS parameters after resizing. Signed-off-by: Yite Gu <guyite@bytedance.com> |
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| .. | ||
| block-pod-clone.yaml | ||
| exec-bash.sh | ||
| groupsnapshot.yaml | ||
| groupsnapshotclass.yaml | ||
| logs.sh | ||
| plugin-deploy.sh | ||
| plugin-teardown.sh | ||
| pod-block-restore.yaml | ||
| pod-clone.yaml | ||
| pod-ephemeral.yaml | ||
| pod-restore.yaml | ||
| pod-rwop.yaml | ||
| pod.yaml | ||
| pvc-block-clone.yaml | ||
| pvc-block-restore.yaml | ||
| pvc-clone.yaml | ||
| pvc-restore.yaml | ||
| pvc-rwop.yaml | ||
| pvc.yaml | ||
| raw-block-pod-rwop.yaml | ||
| raw-block-pod.yaml | ||
| raw-block-pvc-rwop.yaml | ||
| raw-block-pvc.yaml | ||
| secret.yaml | ||
| snapshot.yaml | ||
| snapshotclass.yaml | ||
| storageclass.yaml | ||