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435 Commits

Author SHA1 Message Date
zhouya0
59f9a7d81e Fix preemt function comment 2020-06-28 18:29:55 +08:00
RAKESH REDDY BANDI
d44a20f9ca Rename DefaultPodTopologySpread plugin #91994 2020-06-27 13:46:31 -04:00
Kubernetes Prow Robot
ad29e168dc Merge pull request #92108 from Huang-Wei/postfilter-impl-4 
[postfilter-impl-4] Move Preempt() to defaultpreemption package.
 2020-06-27 09:02:15 -07:00
Wei Huang
058e3d4258 Move Preempt() and its related functions to defaultpreemption package 
Refactor genericScheduler and signature of preemption funcs
  - remove podNominator from genericScheduler
  - simplify signature of preemption functions

Make Preempt() private
 2020-06-25 12:33:51 -07:00
Adhityaa Chandrasekar
ec83143342 scheduler: merge Reserve and Unreserve plugins 
Previously, separate interfaces were defined for Reserve and Unreserve
plugins. However, in nearly all cases, a plugin that allocates a
resource using Reserve will likely want to register itself for Unreserve
as well in order to free the allocated resource at the end of a failed
scheduling/binding cycle. Having separate plugins for Reserve and
Unreserve also adds unnecessary config toil. To that end, this patch
aims to merge the two plugins into a single interface called a
ReservePlugin that requires implementing both the Reserve and Unreserve
methods.
 2020-06-24 21:10:35 +00:00
Kubernetes Prow Robot
c6d2b223fb Merge pull request #92222 from cofyc/fix92186 
Share pod volume binding cache via framework.CycleState
 2020-06-24 13:31:21 -07:00
Yecheng Fu
f899976b41 fixup 2020-06-24 14:14:03 +08:00
Yecheng Fu
22d874993c build files 2020-06-23 22:18:33 +08:00
Yecheng Fu
4627b419b4 tests only 2020-06-23 22:18:33 +08:00
Yecheng Fu
ee4d7410be Share pod volume binding cache via framework.CycleState 2020-06-23 22:18:33 +08:00
Dave Chen
e1d61b621a Scheduler: remove the misleading comments in NodeResourcesBalancedAllocation 
Signed-off-by: Dave Chen dave.chen@arm.com
 2020-06-23 17:33:02 +08:00
Wei Huang
d99cc01646 Register and enable defaultpreemption plugin 
- Enable defaultpreemption as a PostFilter plugin
- Remote legacy hard-coded preemption logic
 2020-06-22 17:22:27 -07:00
Ali Farah
a22e115a0e Split scheduler framework implementation into new runtime package 2020-06-22 00:23:43 +10:00
Kubernetes Prow Robot
5ed7b1afb8 Merge pull request #92012 from Huang-Wei/postfilter-impl-2 
[postfilter-impl-2] Introduce a defaultpreemption PostFilter plugin
 2020-06-19 21:51:42 -07:00
Kubernetes Prow Robot
9c3f648300 Merge pull request #91705 from mrkm4ntr/revert-assumed-in-unreserve 
Revert assumed PVs and PVCs in unreserve extension point
 2020-06-19 21:50:54 -07:00
Kubernetes Prow Robot
5968bc4653 Merge pull request #92247 from chendave/skiptopology 
Skip `PreScore` when the `TopologySpreadConstraints` is specified
 2020-06-19 11:37:44 -07:00
Wei Huang
196056d7fe Introduce a defaultpreemption PostFilter plugin 
- Add a defaultpreemption PostFilter plugin
- Make g.Preempt() stateless
    - make g.Preempt() stateless
    - make g.getLowerPriorityNominatedPods() stateless
    - make g.processPreemptionWithExtenders() stateless
 2020-06-19 09:13:55 -07:00
Shintaro Murakami
79ab958996 Revert assumed PVs and PVCs in unreserve extension point 2020-06-19 17:39:42 +09:00
Dave Chen
068c69d743 Skip PreScore when the TopologySpreadConstraints is specified 
`DefaultPodTopologySpread` need't score when the `TopologySpreadConstraints`
is specified.

`PreScore` needn't do this as well, this cut off the cost of `PreScore` if
possible.

Signed-off-by: Dave Chen <dave.chen@arm.com>
 2020-06-18 18:01:56 +08:00
Dave Chen
9ebd872e71 Explicitly declare the interfaces for extension points 
This make it easier to catch the issue during the compilation, also,
this also align with other plugins, i.e. plugin of "InterPodAffinity".

Signed-off-by: Dave Chen <dave.chen@arm.com>
 2020-06-17 15:11:44 +08:00
Dave Chen
8f0c329758 cleanup: update invalid comments in plugin of InterPodAffinity 
Signed-off-by: Dave Chen <dave.chen@arm.com>
 2020-06-16 14:11:59 +08:00
Yecheng Fu
814a6f2acd remove FakeVolumeBinderConfig and test new statues and states 2020-06-12 10:00:19 +08:00
Yecheng Fu
c4138361e4 Fail fast in PreFilter phase and return UnschedulableAndUnresolvable if immediate PVCs are not bound 2020-06-12 10:00:19 +08:00
Kubernetes Prow Robot
5372e017b6 Merge pull request #92003 from mattcary/format-plugins 
Remove warning about misuse of %w
 2020-06-10 22:44:02 -07:00
Matthew Cary
ee9e6a3bcc Remove warning about misuse of %w 2020-06-10 14:58:55 -07:00
Kubernetes Prow Robot
418c2cbb45 Merge pull request #91918 from alculquicondor/new_max_skew 
Use maxSkew in PodTopologySpread scoring as tolerance to skew
 2020-06-10 04:40:21 -07:00
Wen Gao
b21b298074 add arg for noderesourcesfit plugin to support ignore a group of extended resources 2020-06-10 10:52:54 +08:00
Kubernetes Prow Robot
1cbb5d1e51 Merge pull request #91894 from chendave/podaffinity_comments 
Fix the incorrect error message of `InterPodAffinity` plugin
 2020-06-08 21:44:45 -07:00
Kubernetes Prow Robot
de1a277185 Merge pull request #91735 from gpldirk/tps-comment 
fix minor comment in podtopologyspread scoring test
 2020-06-08 21:43:48 -07:00
Aldo Culquicondor
d353cc1532 Use maxSkew in PodTopologySpread scoring as tolerance to skew 
This new approach results in better spreading for small number of pods, while still giving meaning to the maxSkew parameter.

Signed-off-by: Aldo Culquicondor <acondor@google.com>
 2020-06-08 16:25:59 -04:00
SataQiu
932e61aefa deprecate ResourceLimitsPriorityFunction feature gate in the scheduler 
Signed-off-by: SataQiu <1527062125@qq.com>
 2020-06-08 22:20:14 +08:00
Dave Chen
02fb3387a0 Fix the incorrect error message of InterPodAffinity plugin 
A line of copy/paste code firstly from the method named `buildTopologyPairToScore`.

Signed-off-by: Dave Chen <dave.chen@arm.com>
 2020-06-08 16:39:19 +08:00
Wei Huang
7f178b2831 Adjust weight of PodTopologySpread to 2 in legacy Policy API 2020-06-04 07:35:25 -07:00
gpldirk
6a26f76add fix minor comment in podtopologyspread scoring test 2020-06-03 16:03:10 +00:00
Wei Huang
133dde6358 Remove EvenPodsSpread featuregate and related logic 2020-06-02 11:24:12 -07:00
Kubernetes Prow Robot
413bc1a1d2 Merge pull request #91138 from chendave/imagelocality 
Define the thresholds per the size of container images
 2020-05-31 16:17:53 -07:00
Dave Chen
42fbb1d72f Define the thresholds per the size of container images 
Given the assumption that 90% of images on dockerhub drops into this range (23~1000)MB,
this assumption is based on the container images instead of the pod.

pod might hold multiple container images, it's better to multiply the assumption by the size
of container images.

Signed-off-by: Dave Chen <dave.chen@arm.com>
 2020-05-30 20:57:50 +08:00
Wei Huang
1837b49554 Scheduler PostFilter API 2020-05-29 18:18:00 -07:00
Dave Chen
649523ce91 cleanup: remove useless methods 
`BuildArgs` is not used anywhere and the `args` can be directly got from
the instance instead of defining a method to do that.

Signed-off-by: Dave Chen <dave.chen@arm.com>
 2020-05-29 10:41:54 +08:00
Rafal Wicha
3ffd71c4a2 Move Node Resources scheduler plugin args validation to apis/config/validation 2020-05-26 22:37:16 +01:00
Rafal Wicha
85be9c1673 Move Scheduler plugin args validation to apis/config/validation 2020-05-25 16:27:21 +01:00
Dave Chen
84915d1623 Expose the issue that max threshold haven't considered container size 
Signed-off-by: Dave Chen <dave.chen@arm.com>
 2020-05-25 17:31:47 +08:00
Kubernetes Prow Robot
4310732c55 Merge pull request #91102 from chendave/capacity_ratio 
Move `RequestedToCapacityRatio` Args defaults to versioned packages
 2020-05-19 20:35:20 -07:00
Abdullah Gharaibeh
4ff554ba83 Eliminate locking in (anti)affinity calculations 2020-05-18 22:37:37 -04:00
Kubernetes Prow Robot
9eb097c4b0 Merge pull request #91168 from ahg-g/ahg-affinity5 
First pod with affinity can schedule only on nodes with matching topology keys
 2020-05-18 16:29:51 -07:00
Abdullah Gharaibeh
5d2c05408d First pod with affinity can schedule only on nodes with matching topology keys 2020-05-18 15:15:09 -04:00
Dave Chen
838a0a8c03 Move RequestedToCapacityRatio Args defaults to versioned packages 
Signed-off-by: Dave Chen <dave.chen@arm.com>
 2020-05-18 14:19:39 +08:00
Kubernetes Prow Robot
b170451caa Merge pull request #90183 from dims/update-kubernetes-to-klog-v2 
Update kubernetes to klog v2
 2020-05-16 18:59:51 -07:00
Kubernetes Prow Robot
7f0c05b909 Merge pull request #90544 from chendave/weight 
configurable weight on the CPU and memory
 2020-05-16 07:36:30 -07:00
Kubernetes Prow Robot
9769e0f5da Merge pull request #90008 from gavinfish/scheduler-utilparsers 
Scheduler: remove direct import to /pkg/util/parsers
 2020-05-16 07:35:49 -07:00