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https://issues.apache.org/jira/browse/SPARK-48669?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Xi Chen updated SPARK-48669:
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Summary: K8s resource name prefix follows DNS Subdomain Names rule (was:
Limit K8s pod name length to follow DNS Subdomain Names rule)
> K8s resource name prefix follows DNS Subdomain Names rule
> ---------------------------------------------------------
>
> Key: SPARK-48669
> URL: https://issues.apache.org/jira/browse/SPARK-48669
> Project: Spark
> Issue Type: Bug
> Components: k8s
> Affects Versions: 3.5.1
> Reporter: Xi Chen
> Priority: Major
>
> In SPARK-39614, we extended the allowed name length from 63 to 253 for
> executor pod and config map.
> However, when the pod name is exceeded length 253, we don't truncate it. This
> leads to error when creating the Spark pods.
> Error example:
> {code:java}
> Caused by: io.fabric8.kubernetes.client.KubernetesClientException: Failure
> executing: POST at:
> https://kubernetes.default.svc.cluster.local:443/api/v1/namespaces/foo/pods.
> Message: Pod "some-super-long-spark-pod-name-exceeded-length-253-driver" is
> invalid: metadata.name: Invalid value:
> "some-super-long-spark-pod-name-exceeded-length-253-driver": must be no more
> than 253 characters. {code}
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