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https://issues.apache.org/jira/browse/FLINK-15816?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17422570#comment-17422570
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Chesnay Schepler commented on FLINK-15816:
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I don't think we should truncate anything; this will just cause surprises to
users.
> Limit the maximum length of the value of kubernetes.cluster-id configuration
> option
> -----------------------------------------------------------------------------------
>
> Key: FLINK-15816
> URL: https://issues.apache.org/jira/browse/FLINK-15816
> Project: Flink
> Issue Type: Sub-task
> Components: Deployment / Kubernetes
> Affects Versions: 1.10.0, 1.14.1
> Reporter: Canbin Zheng
> Priority: Major
> Labels: pull-request-available
> Fix For: 1.11.0
>
> Attachments: image-2020-01-31-20-54-33-340.png
>
> Time Spent: 10m
> Remaining Estimate: 0h
>
> Two Kubernetes Service will be created when a session cluster is deployed,
> one is the internal Service and the other is the rest Service, we set the
> internal Service name to the value of the _kubernetes.cluster-id_
> configuration option and then set the rest Service name to
> _${kubernetes.cluster-id}_ with a suffix *-rest* appended, said if we set the
> _kubernetes.cluster-id_ to *session-test*, then the internal Service name
> will be *session-test* and the rest Service name be *session-test-rest;*
> there is a constraint in Kubernetes that the Service name must be no more
> than 63 characters, for the current naming convention it leads to that the
> value of _kubernetes.cluster-id_ should not be more than 58 characters,
> otherwise there are scenarios that the internal Service is created
> successfully then comes up with a ClusterDeploymentException when trying to
> create the rest Service.
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