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https://issues.apache.org/jira/browse/YUNIKORN-1919?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Craig Condit closed YUNIKORN-1919.
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> runningApps is not correct when app state from starting to completing
> ---------------------------------------------------------------------
>
> Key: YUNIKORN-1919
> URL: https://issues.apache.org/jira/browse/YUNIKORN-1919
> Project: Apache YuniKorn
> Issue Type: Bug
> Components: core - scheduler
> Reporter: PoAn Yang
> Assignee: PoAn Yang
> Priority: Major
> Labels: pull-request-available
> Fix For: 1.4.0
>
>
> We increase runningApps when app gets into starting state[1]. We decrease
> runningApps when app leaves running state[2]. However, in some cases, app
> doesn't get into running state, so the runningApps result will get error.
> Finally, we can't allocate another app[3].
>
> Reproduce steps:
> 1. Set queue config.
> {noformat}
> data:
> queues.yaml: |
> partitions:
> - name: default
> nodesortpolicy:
> type: fair
> queues:
> - name: root
> parent: true
> queues:
> - name: default # default queue for applications that don't specify a
> queue
> submitacl: '*'
> - name: sandbox1
> submitacl: '*'
> maxapplications: 1{noformat}
> 2. Apply a deployment.
> {noformat}
> apiVersion: apps/v1
> kind: Deployment
> metadata:
> name: sleep-deployment
> labels:
> app: sleep-deployment
> applicationId: "sleep-deployment"
> queue: "root.sandbox1"
> spec:
> replicas: 1
> selector:
> matchLabels:
> app: sleep-deployment
> applicationId: "sleep-deployment"
> queue: "root.sandbox1"
> template:
> metadata:
> labels:
> app: sleep-deployment
> applicationId: "sleep-deployment"
> queue: "root.sandbox1"
> spec:
> containers:
> - name: sleep-30s
> image: alpine:latest
> command: ["sleep", "30"]{noformat}
> 3. Apply a job.
> {noformat}
> apiVersion: batch/v1
> kind: Job
> metadata:
> name: sleep-job
> spec:
> parallelism: 1
> template:
> metadata:
> labels:
> app: sleep-job
> applicationId: "sleep-job"
> queue: "root.sandbox1"
> spec:
> containers:
> - name: sleep-job
> image: alpine:latest
> command: ["sleep", "30"]
> restartPolicy: Never{noformat}
> 4. Delete the deployment.
> 5. The pod of job can't get started.
>
> [1]
> [https://github.com/apache/yunikorn-core/blob/9abd5bff0b0340935f1a4467f433a941ad5f476f/pkg/scheduler/objects/application_state.go#L152]
> [2]
> [https://github.com/apache/yunikorn-core/blob/9abd5bff0b0340935f1a4467f433a941ad5f476f/pkg/scheduler/objects/application_state.go#L188]
> [3]
> [https://github.com/apache/yunikorn-core/blob/9abd5bff0b0340935f1a4467f433a941ad5f476f/pkg/scheduler/objects/queue.go#L1300-L1302]
>
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