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Clarify GPU resource requests and limits (#6294)

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Qiming
2017-11-14 07:01:44 +08:00
committed by Steve Perry
parent a9f055c830
commit df40d54f0b
1 changed files with 5 additions and 1 deletions
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docs/tasks/manage-gpus/scheduling-gpus.md
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@@ -48,7 +48,11 @@ spec:
alpha.kubernetes.io/nvidia-gpu: 3 # requesting 3 GPUs alpha.kubernetes.io/nvidia-gpu: 3 # requesting 3 GPUs
``` ```
- GPUs can be specified in the `limits` section only. - GPUs are only supposed to be specified in the `limits` section, which means:
* You can specify GPU `limits` without specifying `requests` because Kubernetes
will use the limit as the request value by default.
* You can specify GPU in both `limits` and `requests` but these two values must equal.
* You cannot specify GPU `requests` without specifying `limits`.
- Containers (and pods) do not share GPUs. - Containers (and pods) do not share GPUs.
- Each container can request one or more GPUs. - Each container can request one or more GPUs.
- It is not possible to request a portion of a GPU. - It is not possible to request a portion of a GPU.