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Posted to issues@yunikorn.apache.org by "Craig Condit (Jira)" <ji...@apache.org> on 2022/03/30 22:06:00 UTC
[jira] [Updated] (YUNIKORN-1165) Yunikorn plugin inconsistent node assignment + scheduling
[ https://issues.apache.org/jira/browse/YUNIKORN-1165?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Craig Condit updated YUNIKORN-1165:
-----------------------------------
Component/s: shim - kubernetes
> Yunikorn plugin inconsistent node assignment + scheduling
> ---------------------------------------------------------
>
> Key: YUNIKORN-1165
> URL: https://issues.apache.org/jira/browse/YUNIKORN-1165
> Project: Apache YuniKorn
> Issue Type: Bug
> Components: shim - kubernetes
> Reporter: Ronald Zhang
> Assignee: Craig Condit
> Priority: Major
>
> Although the plugin selects a certain node, the default scheduler may not schedule the pod on the plugin-selected node. In the below example, Yunikorn selected node host-05.shared-ek8s-dev-01.kcloud.cloudera.com. However, the pod was scheduled on host-01.shared-ek8s-dev-01.kcloud.cloudera.com.
> Internally, Yunikorn still incorrectly believes that the node was scheduled on host-05.shared-ek8s-dev-01.kcloud.cloudera.com.
> {code:java}
> Events:
> Type Reason Age From Message
> ---- ------ ---- ---- -------
> Warning FailedScheduling 19s yunikorn 0/10 nodes are available: 10 Pod is not ready for scheduling.
> Warning FailedScheduling 19s yunikorn 0/10 nodes are available: 10 Pod is not ready for scheduling.
> Normal Scheduling 16s yunikorn dev/test-pod-1 is queued and waiting for allocation
> Normal QuotaApproved 16s yunikorn Pod dev/test-pod-1 is ready for scheduling on node host-05.shared-ek8s-dev-01.kcloud.cloudera.com
> Normal Scheduled 16s yunikorn Successfully assigned dev/test-pod-1 to host-01.shared-ek8s-dev-01.kcloud.cloudera.com
> Normal Pulled 15s kubelet Container image "docker-private.infra.cloudera.com/cloudera_base/alpine:latest" already present on machine
> Normal Created 15s kubelet Created container sleep-600s-1
> Normal Started 15s kubelet Started container sleep-600s-1 {code}
> {code:java}
> { "applicationID": "app-v1", "usedResource": "[memory:50 vcore:50]", "partition": "default", "queueName": "root.dev", "submissionTime": 1648676490424350638, "allocations": [ { "allocationKey": "d50084ea-2ae1-4057-8a9b-48cda1fad4c7", "allocationTags": { "kubernetes.io/label/app": "sleep", "kubernetes.io/label/applicationId": "app-v1", "kubernetes.io/label/component": "yunikorn-scheduler", "kubernetes.io/label/queue": "root.default", "kubernetes.io/meta/namespace": "dev", "kubernetes.io/meta/podName": "test-pod-1" }, "uuid": "f7e4b5d6-1e71-4d5b-bd1d-aa28067a3d4b", "resource": "[memory:50 vcore:50]", "priority": "0", "queueName": "root.dev", "nodeId": "host-05.shared-ek8s-dev-01.kcloud.cloudera.com", "applicationId": "app-v1", "partition": "default" } ], "applicationState": "Starting" },
> {code}
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