[kubernetes/features] Topology Aware Volume Scheduling (#490)
Michelle Au
Feature Description
- One-line feature description (can be used as a release note): Make the scheduler aware of a Pod's volume's topology constraints, such as zone or node.
- Primary contact (assignee): @msau42
- Responsible SIGs: @kubernetes/sig-storage-feature-requests @kubernetes/sig-scheduling-feature-requests
- Design proposal link (community repo):kubernetes/community#1054, kubernetes/community#1168
- Reviewer(s) - (for LGTM) recommend having 2+ reviewers (at least one from code-area OWNERS file) agreed to review. Reviewers from multiple companies preferred:
- Approver (likely from SIG/area to which feature belongs):
- Feature target (which target equals to which milestone):
- Alpha release target (x.y): 1.9
- Beta release target (x.y): 1.10
- Stable release target (x.y): 1.11
/assign
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/lifecycle stale
Michelle Au
/remove-lifecycle-stale
/lifecycle frozen
I'm hoping to target beta in 1.10
Ihor Dvoretskyi
@msau42 1.10 - beta, right?
Michelle Au
Yes, at least I will try to.
Michelle Au
1.10 Beta PR has been merged: kubernetes/kubernetes#593911
1.11 design for dynamic provisioning is here: kubernetes/community#1857
Kushagra Singh
@msau42 In my use case, the statefulset does not automatically schedule pods on the same node as the pv(local storage). To overcome this I have written a custom scheduler that schedules the pod on the node which has it's pv. This also works in the case where the pod goes down and needs to be brought up on the exact node that has it's pv.
Will the changes planned for 1.11 eliminate the need for a custom scheduler or is there a better way to do this?
Michelle Au
@mightwork the current feature should already be scheduling your pod to the correct node. Can you open an issue with the details of your PV and ping me?
Stephen Augustus
@msau42
Any plans for this in 1.11?
If so, can you please ensure the feature is up-to-date with the appropriate:
- Description
- Milestone
- Assignee(s)
- Labels:
stage/{alpha,beta,stable}sig/*kind/feature
cc @idvoretskyi
Michelle Au
Stephen Augustus
Thanks for the update, @msau42!
Stephen Augustus
This feature current has no milestone, so we'd like to check in and see if there are any plans for this in Kubernetes 1.12.
If so, please ensure that this issue is up-to-date with ALL of the following information:
- One-line feature description (can be used as a release note):
- Primary contact (assignee):
- Responsible SIGs:
- Design proposal link (community repo):
- Link to e2e and/or unit tests:
- Reviewer(s) - (for LGTM) recommend having 2+ reviewers (at least one from code-area OWNERS file) agreed to review. Reviewers from multiple companies preferred:
- Approver (likely from SIG/area to which feature belongs):
- Feature target (which target equals to which milestone):
- Alpha release target (x.y)
- Beta release target (x.y)
- Stable release target (x.y)
Set the following:
- Description
- Assignee(s)
- Labels:
- stage/{alpha,beta,stable}
- sig/*
- kind/feature
Once this feature is appropriately updated, please explicitly ping @justaugustus, @kacole2, @robertsandoval, @rajendar38 to note that it is ready to be included in the Features Tracking Spreadsheet for Kubernetes 1.12.
Please note that Features Freeze is tomorrow, July 31st, after which any incomplete Feature issues will require an Exception request to be accepted into the milestone.
In addition, please be aware of the following relevant deadlines:
- Docs deadline (open placeholder PRs): 8/21
- Test case freeze: 8/28
Please make sure all PRs for features have relevant release notes included as well.
Happy shipping!
P.S. This was sent via automation
Michelle Au
Plan for 1.12 is to remain in beta. There are some bugs that need to be fixed before going GA
Kendrick Coleman
Hi @msau42
This enhancement has been tracked before, so we'd like to check in and see if there are any plans for this to graduate stages in Kubernetes 1.13. This release is targeted to be more ‘stable’ and will have an aggressive timeline. Please only include this enhancement if there is a high level of confidence it will meet the following deadlines:
Docs (open placeholder PRs): 11/8
Code Slush: 11/9
Code Freeze Begins: 11/15
Docs Complete and Reviewed: 11/27
Please take a moment to update the milestones on your original post for future tracking and ping @kacole2 if it needs to be included in the 1.13 Enhancements Tracking Sheet
Thanks!
Michelle Au
Plan for 1.13 is to go GA
Kendrick Coleman
/milestone v1.13
Aish Sundar
@msau what work if left in k/k for this feature to go to GA in 1.13? Is there a list of pending PRs (code, tests and docs) that we can track on our end?
/stage stable
Michelle Au
This is the last remaining task:
kubernetes/kubernetes#68517
Michelle Au
Oh, and this one:
kubernetes/kubernetes#59529
Naomi Pentrel
Hi @msau42, I'm Naomi and working on docs for the 1.13 release. Could you open up a docs PR against the dev-1.13 branch as a placeholder for the needed docs updates?
Michelle Au
Docs pr here: kubernetes/website#10736
Guinevere Saenger
Hi @msau42 - I'm Enhancements Shadow for 1.13. Could you please update the release team with the likelihood of this enhancement making the 1.13 release? When we don't see any updates in a few days, we would appreciate an update.
Code slush begins on 11/9 and code freeze is 11/15.
Thank you!
Michelle Au
Yes, this is on track to meet code freeze.
e2e PR is close to being merged:
kubernetes/kubernetes#70362
I will open up the feature gate PR this week.
Aish Sundar
@msau42 is the e2e test PR the only pending PR for this enhancement? Is there a feature gate PR open?
Michelle Au
I updated the checklist above. Just docs are remaining
Claire Laurence
@msau42 Hi I'm the enhancements lead for 1.14 - It looks like this enhancement graduated to stable - is this issue still open? Is there work needed for the 1.14 release?
Michelle Au
I think we are done with feature tracking. There are some cleanup items that I have already opened issues for.
/close
Kubernetes Prow Robot
@msau42: Closing this issue.
In response to this:
I think we are done with feature tracking. There are some cleanup items that I have already opened issues for.
/close
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Kubernetes Prow Robot
Closed #490.
abdennour
Actually, this is also a pain with statefulsets running on top of Amazon EKS Cluster.
Hopefully, the fix comes from kubernetes
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