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https://issues.apache.org/jira/browse/FLINK-15656?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17258186#comment-17258186
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Yang Wang commented on FLINK-15656:
-----------------------------------

[~jiang7chengzitc] Yes, the {{hostAlias}} fields could be supported in pod 
template. If it could meet your requirements, then I would suggest to achieve 
that via pod template. Please share your concerns at anytime.

> Support user-specified pod templates
> ------------------------------------
>
>                 Key: FLINK-15656
>                 URL: https://issues.apache.org/jira/browse/FLINK-15656
>             Project: Flink
>          Issue Type: Sub-task
>          Components: Deployment / Kubernetes
>            Reporter: Canbin Zheng
>            Assignee: Yang Wang
>            Priority: Major
>             Fix For: 1.13.0
>
>
> The current approach of introducing new configuration options for each aspect 
> of pod specification a user might wish is becoming unwieldy, we have to 
> maintain more and more Flink side Kubernetes configuration options and users 
> have to learn the gap between the declarative model used by Kubernetes and 
> the configuration model used by Flink. It's a great improvement to allow 
> users to specify pod templates as central places for all customization needs 
> for the jobmanager and taskmanager pods.



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