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https://issues.apache.org/jira/browse/FLINK-18551?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17283609#comment-17283609
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Till Rohrmann commented on FLINK-18551:
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[~Yumeng] do you wanna try to tackle this issue?
> Don't need to download flink-conf.yaml when launching taskmanager on Yarn mode
> ------------------------------------------------------------------------------
>
> Key: FLINK-18551
> URL: https://issues.apache.org/jira/browse/FLINK-18551
> Project: Flink
> Issue Type: Improvement
> Components: Deployment / YARN
> Affects Versions: 1.10.1, 1.11.0
> Reporter: Yumeng Zhang
> Priority: Minor
>
> In current flink version, launching a taskmanager on Yarn will follow these
> steps:
> 1. download flink-conf.yaml file to the local working directory
> 2. get Configuration object by reading local flink-conf.yaml file
> We could reduce the IO operation by setting flinkConfig to container env when
> createTaskExecutorContext in jobmanager side and getting Configuration object
> by system env in taskmanager side. This way we don't need to download
> flink-conf.yaml when launching taskmanager on Yarn and could accelerate the
> start process a little bit.
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