[jira] [Updated] (FLINK-21382) Standalone K8s documentation does not explain usage of standby JobManagers
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https://issues.apache.org/jira/browse/FLINK-21382?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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ASF GitHub Bot updated FLINK-21382:
---
Labels: pull-request-available (was: )
> Standalone K8s documentation does not explain usage of standby JobManagers
> --
>
> Key: FLINK-21382
> URL: https://issues.apache.org/jira/browse/FLINK-21382
> Project: Flink
> Issue Type: Improvement
> Components: Deployment / Kubernetes, Documentation
>Affects Versions: 1.12.1, 1.13.0
>Reporter: Till Rohrmann
>Assignee: Yang Wang
>Priority: Major
> Labels: pull-request-available
> Fix For: 1.13.0, 1.12.3
>
>
> Our [standalone K8s
> documentation|https://ci.apache.org/projects/flink/flink-docs-release-1.12/deployment/resource-providers/standalone/kubernetes.html#high-availability-with-standalone-kubernetes]
> mentions how to configure K8s HA services. It does not mention that this
> only works with a single JobManager. When using standby JobManagers, then the
> given deployment yamls won't work because the {{jobmanager.rpc.address}} is
> configured to be the {{jobmanager}} service.
> Changing the configuration to work is surprisingly difficult because of a
> lack of documentation. Moreover, it is quite difficult to pass in custom
> configuration values when using a ConfigMap for sharing Flink's
> {{flink-conf.yaml}}. The problem is that mounted ConfigMaps are not writable
> from a pod perspective. See [this
> answer|https://stackoverflow.com/a/66228073/4815083] for how one could
> achieve it.
> I think we could improve our documentation to explain our users how to
> configure a standalone HA cluster with standby JobManagers.
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[jira] [Updated] (FLINK-21382) Standalone K8s documentation does not explain usage of standby JobManagers
[
https://issues.apache.org/jira/browse/FLINK-21382?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Yang Wang updated FLINK-21382:
--
Fix Version/s: 1.12.3
1.13.0
> Standalone K8s documentation does not explain usage of standby JobManagers
> --
>
> Key: FLINK-21382
> URL: https://issues.apache.org/jira/browse/FLINK-21382
> Project: Flink
> Issue Type: Improvement
> Components: Deployment / Kubernetes, Documentation
>Affects Versions: 1.12.1, 1.13.0
>Reporter: Till Rohrmann
>Assignee: Yang Wang
>Priority: Major
> Fix For: 1.13.0, 1.12.3
>
>
> Our [standalone K8s
> documentation|https://ci.apache.org/projects/flink/flink-docs-release-1.12/deployment/resource-providers/standalone/kubernetes.html#high-availability-with-standalone-kubernetes]
> mentions how to configure K8s HA services. It does not mention that this
> only works with a single JobManager. When using standby JobManagers, then the
> given deployment yamls won't work because the {{jobmanager.rpc.address}} is
> configured to be the {{jobmanager}} service.
> Changing the configuration to work is surprisingly difficult because of a
> lack of documentation. Moreover, it is quite difficult to pass in custom
> configuration values when using a ConfigMap for sharing Flink's
> {{flink-conf.yaml}}. The problem is that mounted ConfigMaps are not writable
> from a pod perspective. See [this
> answer|https://stackoverflow.com/a/66228073/4815083] for how one could
> achieve it.
> I think we could improve our documentation to explain our users how to
> configure a standalone HA cluster with standby JobManagers.
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