docs(scheduler): document per-pod scoring weights - #759
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Signed-off-by: blackdragoon26 <sankalp.jha9643@gmail.com>
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📝 WalkthroughWalkthroughThe documentation adds the ChangesGPU scoring documentation
Priority: ⬇️ Low Estimated code review effort: 1 (Trivial) | ~5 minutes Change: Other Merge Risk: 🔵 Low · up to The documentation is otherwise ready, but both list markers should be corrected to keep the repository lint checks passing. 🚥 Pre-merge checks | ✅ 5✅ Passed checks (5 passed)
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FouoF
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The doc seem placing incorrect. This is a user-face change so it should update or draft a user guide instead of developer doc. Also better add a Chinese version.
Thanks for the review. |
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@FouoF , sorry to ping you again |
Re-pinging for the same |
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@FouoF @rootsongjc @windsonsea @fishman Regards
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mesutoezdil
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checked all four worked examples, the math is right. upstream hami 2469 merged on aug 17, so this can move forward, please add the promised zh translation. small note: the checklist marks the zh box even though the body says it is deferred.
Thanks for review, I will add zsh translation. |
Signed-off-by: blackdragoon26 <sankalp.jha9643@gmail.com>
The snapshot was cut before the v2.10 feature documentation PRs (Project-HAMi#794, Project-HAMi#734, Project-HAMi#759, Project-HAMi#775) merged, so it described v2.9 behavior for flagship features. Keep only the changelog and the homepage release badge for now; re-cut the snapshot once those PRs land. Signed-off-by: Jimmy Song <jimmy@dynamia.ai>
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| The annotation must contain the `slot`, `core`, and `memory` keys. Each value must be a non-negative integer, and at least one value must be greater than zero. Key order and surrounding whitespace do not matter. If the annotation is absent, HAMi uses `slot=1,core=1,memory=1`, which preserves the default scoring behavior. An invalid annotation prevents the Pod from being scheduled until the annotation is corrected. |
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upstream scheduler-policy.md says the admission webhook rejects an invalid annotation at pod creation. that is not the same as the pod staying pending. should this line say rejected instead?
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Yes, you are right, i will correct this for both eng and zh doc
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checked against pkg/scheduler/policy/gpu_policy.go:217-220 and util.Weight is 10, so the three term formula and the 7.75 and 18.75 figures are right.
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Yess, thanks for verifying as well
Signed-off-by: blackdragoon26 <sankalp.jha9643@gmail.com>
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Actionable comments posted: 1
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Inline comments:
In `@docs/developers/scheduling.md`:
- Line 167: Update the scheduling documentation’s invalid-annotation behavior to
state that, when admission validation is unavailable, the scheduler returns a
validation error and the Pod remains unschedulable until the annotation is
corrected, distinguishing this from API rejection.
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Signed-off-by: blackdragoon26 <sankalp.jha9643@gmail.com>
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| ```text | ||
| GPU1 Score: ((20+10)/100 + (1000+2000)/8000)) * 10 = 6.75 | ||
| GPU1 Score: ((1+0)/10 + (20+10)/100 + (1000+2000)/8000) * 10 = 7.75 |
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Based on the current implementation, shouldn’t used.slot also be at least 1, for example (1+1)/10?
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the code uses max(udevice.Slots, 1) for each existing allocation, so used.slot cannot be 0 here.
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oh you are right, used.slot should be at least 1 here. will correct it
thanks for the proof link and review!
Signed-off-by: blackdragoon26 <sankalp.jha9643@gmail.com>
| GPU1 Score: ((1+1)/10 + (20+10)/100 + (1000+2000)/8000) * 10 = 8.75 | ||
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| 1. Binpack scoring information for GPU 2 is as follows |
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The ordered list here should start with 2., and the same applies to the items below.
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Inline comments:
In `@docs/developers/scheduling.md`:
- Line 196: Update the second Binpack list entry in both scheduling documents to
use the `1.` marker, preserving the existing list content and satisfying the
configured MD029 numbering style.
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lgtm |
mesutoezdil
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LGTM. Re-verified every claim against upstream HAMi master:
- annotation key
hami.io/device-scoring-weightsmatchespkg/util/types.go - parsing rules (all three keys required, non-negative integers, at least one positive, order and whitespace free) match
ParseDeviceScoringWeights - default
slot=1,core=1,memory=1matchesDefaultDeviceScoringWeights - the formula matches
ComputeScoreinpkg/scheduler/policy/gpu_policy.gowithutil.Weight = 10 - webhook rejection only for pods requesting a HAMi resource matches
webhook.go - scheduler-side rejection matches
calcScoreWithOptionsinscore.go - all four worked examples recompute correctly (8.75, 19.75, 16/15, 26/27)
Chinese version is in and CI is green. Thanks for the follow-through.
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[APPROVALNOTIFIER] This PR is NOT APPROVED This pull-request has been approved by: blackdragoon26, mesutoezdil The full list of commands accepted by this bot can be found here. DetailsNeeds approval from an approver in each of these files:Approvers can indicate their approval by writing |
What type of PR is this?
/kind documentation
What this PR does / why we need it:
Documents the per-Pod device-scoring weights introduced by Project-HAMi/HAMi#2469.
This update:
hami.io/device-scoring-weightsannotationProject-HAMi/HAMi#2469 and its admission-validation follow-up Project-HAMi/HAMi#2827 are merged.
Which issue(s) this PR fixes:
Fixes #758
The corresponding Chinese documentation is included in this PR.
Checklist:
npm run lintandnpm run format:checkpassnpm run buildsucceeds for bothenandzhgit commit -s)AI Disclosure:
Codex was used to cross-check the implementation semantics and calculations, and to help draft the documentation. I reviewed and verified the final content and test results.
Summary by CodeRabbit
Documentation