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https://issues.apache.org/jira/browse/SUBMARINE-84?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16885882#comment-16885882
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Zhankun Tang commented on SUBMARINE-84:
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[~pingsutw], that might help but a random port would be better?
> The environment variable TF_CONFIG hard coded port number "8000" will cause
> distributed training job's worker fail to start
> ---------------------------------------------------------------------------------------------------------------------------
>
> Key: SUBMARINE-84
> URL: https://issues.apache.org/jira/browse/SUBMARINE-84
> Project: Hadoop Submarine
> Issue Type: Improvement
> Reporter: Zhankun Tang
> Priority: Critical
>
> When there's no network virtualization solution like Calico deployed, the
> hard-coded 8000 port conflicts may cause worker/ps container gRPC server
> fails to start if they were allocated to one host and use host network.
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