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koord-scheduler: add a parameter to mark whether scheduling is allowed on node with expired nodemetric #2076

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merged 1 commit into from
Jun 3, 2024

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@lucming lucming commented May 31, 2024

Ⅰ. Describe what this PR does

add enableScheduleWhenNodeMetricsExpired parameter for loadaware scheduler plugin to mark whether scheduling is allowed on node with expired nodemetric.

it be used to address the following issues:

  1. not allow scheduling when nodemetric expired:avoid pods being scheduled to nodes with high load.
  2. allow scheduling when nodemetric expired:the actual load of the node is very low but the nodemetric is very high. It may be blocked by the filter phase, causing the node to be unable to schedule a new pod anymore. FYI: koord-scheduler: skip checking for nodes whose nodemetrics update time has expired #1563

Ⅱ. Does this pull request fix one issue?

Ⅲ. Describe how to verify it

Ⅳ. Special notes for reviews

V. Checklist

  • I have written necessary docs and comments
  • I have added necessary unit tests and integration tests
  • All checks passed in make test

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codecov bot commented May 31, 2024

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 68.58%. Comparing base (8e41abc) to head (79f0893).
Report is 3 commits behind head on main.

Additional details and impacted files
@@            Coverage Diff             @@
##             main    #2076      +/-   ##
==========================================
- Coverage   68.62%   68.58%   -0.05%     
==========================================
  Files         430      430              
  Lines       39540    39639      +99     
==========================================
+ Hits        27136    27188      +52     
- Misses      10061    10097      +36     
- Partials     2343     2354      +11     
Flag Coverage Δ
unittests 68.58% <100.00%> (-0.05%) ⬇️

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PTAL cc @ZiMengSheng

pkg/scheduler/plugins/loadaware/load_aware.go Show resolved Hide resolved
pkg/scheduler/apis/config/v1beta3/types.go Show resolved Hide resolved
@saintube saintube requested a review from ZiMengSheng May 31, 2024 05:52
@saintube saintube added this to the v1.5 milestone Jun 3, 2024
…d on node with expired nodemetric

Signed-off-by: lucming <2876757716@qq.com>
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saintube commented Jun 3, 2024

/lgtm

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/lgtm

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[APPROVALNOTIFIER] This PR is APPROVED

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@koordinator-bot koordinator-bot bot merged commit 1bac4d3 into koordinator-sh:main Jun 3, 2024
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3 participants