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Modify SchedulerQueueingHints #43427

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merged 5 commits into from
Oct 12, 2023
Merged

Modify SchedulerQueueingHints #43427

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1ddf2ac
Modify `SchedulerQueueingHints`
sanposhiho Oct 11, 2023
193abfc
fix: QueueingHint is enabled by default
sanposhiho Oct 11, 2023
3acb371
Add more context in the description
sanposhiho Oct 11, 2023
d29236e
format the description
sanposhiho Oct 11, 2023
f20a9ce
Update the description of QueueingHint feature
sanposhiho Oct 11, 2023
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6 changes: 3 additions & 3 deletions content/en/docs/reference/command-line-tools-reference/feature-gates.md
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Expand Up @@ -186,7 +186,7 @@ For a reference to old feature gates that are removed, please refer to
| `SELinuxMountReadWriteOncePod` | `false` | Alpha | 1.25 | 1.26 |
| `SELinuxMountReadWriteOncePod` | `false` | Beta | 1.27 | 1.27 |
| `SELinuxMountReadWriteOncePod` | `true` | Beta | 1.28 | |
| `SchedulerQueueingHints` | `false` | Alpha | 1.28 | |
| `SchedulerQueueingHints` | `true` | Beta | 1.28 | |
| `SecurityContextDeny` | `false` | Alpha | 1.27 | |
| `ServiceNodePortStaticSubrange` | `false` | Alpha | 1.27 | 1.27 |
| `ServiceNodePortStaticSubrange` | `true` | Beta | 1.28 | |
Expand Down Expand Up @@ -701,8 +701,8 @@ Each feature gate is designed for enabling/disabling a specific feature:
- `SELinuxMountReadWriteOncePod`: Speeds up container startup by allowing kubelet to mount volumes
for a Pod directly with the correct SELinux label instead of changing each file on the volumes
recursively. The initial implementation focused on ReadWriteOncePod volumes.
- `SchedulerQueueingHints`: Enables the scheduler's _queueing hints_ enhancement,
which benefits to reduce the useless requeueing.
- `SchedulerQueueingHints`: Enables [the scheduler's _queueing hints_ enhancement](https://github.com/kubernetes/enhancements/blob/master/keps/sig-scheduling/4247-queueinghint/README.md),
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which benefits to reduce the useless requeueing. This feature is an internal one that most users don't need to care about. The QueueingHint feature changes the critical path of scheduling a lot and this feature gate is a safety net to go away from QueueingHint when we find some issues in it.
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- `SeccompDefault`: Enables the use of `RuntimeDefault` as the default seccomp profile
for all workloads.
The seccomp profile is specified in the `securityContext` of a Pod and/or a Container.
Expand Down