[
https://issues.apache.org/jira/browse/YUNIKORN-2926?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
wangzhihui updated YUNIKORN-2926:
---------------------------------
Description:
desc：
The reason for the real allocation is larger than all placeholder，Then release
all allocations。Causing all Pods is Pending state.
!image-2024-10-15-11-54-33-458.png!
!image.png!
{code:java}
// code placeholder
apiVersion: batch/v1
kind: Job
metadata:
name: simple-gang-job
spec:
completions: 2
parallelism: 2
template:
metadata:
labels:
app: sleep
applicationId: "simple-gang-job"
queue: root.default
annotations:
yunikorn.apache.org/schedulingPolicyParameters:
"placeholderTimeoutInSeconds=30 gangSchedulingStyle=Hard"
yunikorn.apache.org/task-group-name: task-group-example
yunikorn.apache.org/task-groups: |-
[{
"name": "task-group-example",
"minMember": 2,
"minResource": {
"cpu": "100m",
"memory": "50M"
},
"nodeSelector": {},
"tolerations": [],
"affinity": {},
"topologySpreadConstraints": []
}]
spec:
schedulerName: yunikorn
restartPolicy: Never
containers:
- name: sleep30
image: "alpine:latest"
command: ["sleep", "99999999"]
resources:
requests:
cpu: "200m"
memory: "50M" {code}
solution：
If the app is in Hard mode, it will transition to a Failing state. If it is in
Soft mode, it will transition to a Resuming state.
was:
desc：
The reason for the real allocation is larger than all placeholder，Then release
all allocations。Causing all Pods is Pending state.
!image-2024-10-15-11-54-33-458.png!
!image.png!
{code:java}
// code placeholder
apiVersion: batch/v1
kind: Job
metadata:
name: simple-gang-job
spec:
completions: 2
parallelism: 2
template:
metadata:
labels:
app: sleep
applicationId: "simple-gang-job"
queue: root.default
annotations:
yunikorn.apache.org/schedulingPolicyParameters:
"placeholderTimeoutInSeconds=30 gangSchedulingStyle=Hard"
yunikorn.apache.org/task-group-name: task-group-example
yunikorn.apache.org/task-groups: |-
[{
"name": "task-group-example",
"minMember": 1,
"minResource": {
"cpu": "100m",
"memory": "50M"
},
"nodeSelector": {},
"tolerations": [],
"affinity": {},
"topologySpreadConstraints": []
}]
spec:
schedulerName: yunikorn
restartPolicy: Never
containers:
- name: sleep30
image: "alpine:latest"
command: ["sleep", "99999999"]
resources:
requests:
cpu: "200m"
memory: "50M" {code}
solution：
If the app is in Hard mode, it will transition to a Failing state. If it is in
Soft mode, it will transition to a Resuming state.
> The Pod using gang scheduling is stuck in the Pending state
> -----------------------------------------------------------
>
> Key: YUNIKORN-2926
> URL: https://issues.apache.org/jira/browse/YUNIKORN-2926
> Project: Apache YuniKorn
> Issue Type: Bug
> Components: core - scheduler
> Reporter: wangzhihui
> Priority: Minor
> Fix For: 1.5.0
>
> Attachments: image-2024-10-15-11-54-33-458.png, image.png
>
>
> desc：
> The reason for the real allocation is larger than all placeholder，Then
> release all allocations。Causing all Pods is Pending state.
> !image-2024-10-15-11-54-33-458.png!
> !image.png!
> {code:java}
> // code placeholder
> apiVersion: batch/v1
> kind: Job
> metadata:
> name: simple-gang-job
> spec:
> completions: 2
> parallelism: 2
> template:
> metadata:
> labels:
> app: sleep
> applicationId: "simple-gang-job"
> queue: root.default
> annotations:
> yunikorn.apache.org/schedulingPolicyParameters:
> "placeholderTimeoutInSeconds=30 gangSchedulingStyle=Hard"
> yunikorn.apache.org/task-group-name: task-group-example
> yunikorn.apache.org/task-groups: |-
> [{
> "name": "task-group-example",
> "minMember": 2,
> "minResource": {
> "cpu": "100m",
> "memory": "50M"
> },
> "nodeSelector": {},
> "tolerations": [],
> "affinity": {},
> "topologySpreadConstraints": []
> }]
> spec:
> schedulerName: yunikorn
> restartPolicy: Never
> containers:
> - name: sleep30
> image: "alpine:latest"
> command: ["sleep", "99999999"]
> resources:
> requests:
> cpu: "200m"
> memory: "50M" {code}
> solution：
> If the app is in Hard mode, it will transition to a Failing state. If it is
> in Soft mode, it will transition to a Resuming state.
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