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53 Commits

Author SHA1 Message Date
Wei Huang
9b64025f36
rename 'PreemptionByKubeScheduler' to 'PreemptionByScheduler' 2023-01-05 10:31:57 -08:00
Wei Huang
91742e2393
Enhanced logic to identify eligible preemption node 2023-01-05 10:31:57 -08:00
Kante Yin
c8908716ee Make handling scheduleResult more readable 
Signed-off-by: Kante Yin <kerthcet@gmail.com>
 2022-12-22 01:22:34 +08:00
xiaomudk
5826cae547 clean: remove useless parentheses 2022-06-10 00:09:50 +08:00
cyclinder
6150737d11 remove feature gate GA for 1.25 
Signed-off-by: cyclinder qifeng.guo@daocloud.io
 2022-05-12 14:15:23 +08:00
Alex Wang
ddd62202fb make the preempt message per node compressible 2022-03-15 22:02:19 +08:00
Alex Wang
52275fc831 add preemption info in scheduling failed event 2022-02-01 00:37:16 +08:00
Jordan Liggitt
c0af728f43 Handle invalid selectors properly 2022-01-14 12:11:02 -05:00
Dave Chen
3af26bae2c Refactor defaultpreemption for out-of-tree plugins 
Signed-off-by: Dave Chen <dave.chen@arm.com>
 2021-08-11 09:29:17 +08:00
Abdullah Gharaibeh
46f3e4dfdd Define in-tree scheduler plugin names in separate pkg to break a cyclic depednecy when moving plugin defaulting to CC 2021-06-09 15:36:09 -04:00
Yuan Chen
fce28dbac9 Prevent scheduler crashing in default preemption 2021-05-04 19:30:11 -07:00
Konstantin Misyutin
74e30c5e38 Scheduler: remove pkg/features dependency from DefaultPreemption plugin 
Signed-off-by: Konstantin Misyutin <konstantin.misyutin@huawei.com>
 2021-04-29 23:12:46 +08:00
Dave Chen
c6e65079c7 Validate plugin config for KubeSchedulerConfiguration 
Signed-off-by: Dave Chen <dave.chen@arm.com>
 2021-04-14 09:30:20 +08:00
caiweidong
850759ec87 Preempting: do not delete the victim if it just exits in WaitingPods 2021-03-23 14:37:36 +08:00
Kubernetes Prow Robot
d256468a09
Merge pull request #99644 from gavinfish/sched-param 
Scheduler: make parallelism as part of schedulerOptions
 2021-03-09 11:05:42 -08:00
Morten Torkildsen
21fba79d45 Promote PDBs to GA 2021-03-09 10:29:11 -05:00
drfish
c2ceb21a3e Make parallelism as part of schedulerOptions 2021-03-09 23:25:55 +08:00
drfish
38ad860c2f Unroll PreemptHandle to Handle 2021-02-27 00:44:05 +08:00
Kubernetes Prow Robot
1d02dfb79a
Merge pull request #99085 from gavinfish/jieshe/nominated-podinfo 
Scheduler: Use PodInfo instead of Pod for nominatedPods and QueuedPodInfo
 2021-02-24 08:52:50 -08:00
drfish
bc2df9de72 Use PodInfo instead of Pod for nominatedPods and QueuedPodInfo 2021-02-22 22:00:23 +08:00
Kubernetes Prow Robot
0b5dd00d03
Merge pull request #99119 from gavinfish/sched-preempt 
Scheduler: let default preemption returns status instead of err
 2021-02-19 20:49:41 -08:00
drfish
a1bfa0120e Let default preemption returns status instead of err 2021-02-19 23:57:23 +08:00
tanjing2020
300d109d78 migrate to structured logging 2021-02-10 16:11:52 +08:00
Kubernetes Prow Robot
ebe7380b38
Merge pull request #98518 from tanjing2020/change-log 
migrate default_preemption.go to structured logging
 2021-02-03 19:54:28 -08:00
tanjing2020
e62cfa7cc4 migrate default_preemption.go to structured logging 2021-02-02 09:38:23 +08:00
Dave Chen
fe5a266a03 Include UnschedulableAndUnresolvable nodes into the status map 
Signed-off-by: Dave Chen <dave.chen@arm.com>
 2021-02-01 10:49:43 +08:00
Dave Chen
9d48a44601 Expose node status so that external preemption plugins can use it 
Signed-off-by: Dave Chen <dave.chen@arm.com>
 2021-01-29 10:17:25 +08:00
Wei Huang
f8a6bdb044
Surface info of failed plugins during PerFilter and Filter 2021-01-28 12:20:42 -08:00
drfish
a6f2736032 Wrap errors from DefaultPreemption and InterPodAffinity plugins 2021-01-26 23:00:12 +08:00
drfish
8be6d9650c Update potentialVictims as framework.PodInfo type 2021-01-24 22:17:28 +08:00
drfish
d4418c1402 Update the PreFilterExtensions interface to use PodInfo 2021-01-19 00:49:52 +08:00
Dave Chen
7315c1f6dd Show the details on the failure of preemption 
Since the filter status is missed for the phase of preemption, there
will be no way to tell why the preemption failed for some reasons, and
those reasons could be different with the status from the main scheduling
process (the first failed plugin will hide other failures in the chain).

This change provides verbose information based on the node status generated
during pod preemption, those information helps us to diagnose the issue which
is happened during pod preemption.

Signed-off-by: Dave Chen <dave.chen@arm.com>
 2021-01-15 23:20:17 +08:00
Kubernetes Prow Robot
974404757d
Merge pull request #96929 from gavinfish/sched-plugin-core 
Scheduler: Move PodPassesFiltersOnNode out of core to avoid plugin dependency
 2021-01-05 11:46:13 -08:00
drfish
070773c399 Remove scheduler plugins package's dependency from core package 2020-12-20 00:18:40 +08:00
Dave Chen
5144e2ec78 Remove the deprecated metrics from scheduler 
Deprecated metrics are removed and suggest to use the Histogram
metrics got from scheduler extension points.

Signed-off-by: Dave Chen <dave.chen@arm.com>
Co-authored-by: wawa0210 <xiaozhang0210@hotmail.com>
 2020-12-14 11:31:50 +08:00
Adhityaa Chandrasekar
a3d94b53ca optimise defaultpreemption: enumerate fewer candidates 
Signed-off-by: Adhityaa Chandrasekar <adtac@google.com>
 2020-11-04 22:39:58 +00:00
Ali
09b2e8f638 Move scheduler interface to pkg/scheduler/framework 2020-10-13 13:13:27 +11:00
Jan Chaloupka
274c536da3 Removing GetPodPriority from pkg/api and importing PodPriority from k8s.io/component-helpers 2020-10-11 21:40:11 +02:00
SataQiu
8c51c9955c wrap errors from DefaultPreemption, ImageLocality and NodeAffinity plugins 2020-09-25 10:38:27 +08:00
Arghya Sadhu
078b355da3 deprecate scheduler metrics BindingLatency and SchedulingAlgorithmPreemptionEvaluationDuration 2020-09-23 17:15:13 +05:30
Arghya Sadhu
c62f0dd165 removing deprecated scheduler metrics 2020-09-22 21:04:15 +05:30
Wei Huang
4f7ae54f3e
fixup: add podLister as a member field of DefaultPreemption 2020-09-08 18:27:23 -07:00
Wei Huang
52bf6ba8ba
Preemption plugin to fetch pod from informer cache 2020-09-08 18:27:23 -07:00
He Jie Xu
0e8bd4c550 Initialize candidate directly instead of iterating the array of candidates 
Using existing victimsMap to get the victims, then it is easy to build candidate
directly.
 2020-08-27 23:29:36 +08:00
Wei Huang
4e8ccf0187
Refactor and expose common preemption functions 2020-07-11 23:17:21 -07:00
Kubernetes Prow Robot
d06ff65943
Merge pull request #92876 from Huang-Wei/pdbLister 
Add pdbLister as a member field of struct DefaultPreemption
 2020-07-11 20:57:42 -07:00
Wei Huang
9d377eb655
Add pdbLister as a member field of struct DefaultPreemption 2020-07-07 12:25:53 -07:00
Dave Chen
028af0970f Cut off the cost to run filter plugins when no victim pods are found 
If no potential victims could be found, there is no need to evaluate the node
again, since its state didn't change.

It's safe to return and thus prevent scheduling from running the filter plugins
again.

NOTE:
A node that is filtered out by filter plugins could pass the filter plugins if
there is a change on that node, i.e. pods termination on that node.

Previously, this could be either caught by the normal `schedule` or `preempt` (pods
are terminated when the preemption logic tries to find the nodes and re-evaluate
the filter plugins.)

Actually, this shouldn't be taken care by the preemption, consider the routine
of `schedule` is always running when the interval is "zero", let `schedule`
take care of it will release `preempt` from something irrelevant with the `preemption`.

Due to above reason, couple of testcase as well as the logic of checking the existence
of victim pods are removed as it will never happen after the change.

Signed-off-by: Dave Chen <dave.chen@arm.com>
 2020-07-07 09:55:34 +08:00
He Jie Xu
b3741f344e The Pod is eligible to preempt when previous nominanted node is UnschedulableAndUnresolvable 
If the Pod's previous nominated node is UnschedulableAndUnresolvable from previous
filtering, it should be considered for preemption again.
 2020-07-03 08:57:45 +08:00
zhouya0
59f9a7d81e Fix preemt function comment 2020-06-28 18:29:55 +08:00