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https://issues.apache.org/jira/browse/FLINK-33166?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17769915#comment-17769915
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Zhanghao Chen commented on FLINK-33166:
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[~fangyong] Could you assign it to me if you think it reasonable?
> Support setting root logger level by config
> -------------------------------------------
>
> Key: FLINK-33166
> URL: https://issues.apache.org/jira/browse/FLINK-33166
> Project: Flink
> Issue Type: Improvement
> Components: Runtime / Configuration
> Reporter: Zhanghao Chen
> Priority: Major
>
> Users currently cannot change logging level by config and have to modify the
> cumbersome logger configuration file manually. We'd better provide a shortcut
> and support setting root logger level by config. There're a number configs
> already to set logger configurations, like {{env.log.dir}} for logging dir,
> {{env.log.max}} for max number of old logging file to save. We can name the
> new config {{{}env.log.level{}}}.
> Multiple loggers are configured in the configuration files, some with
> different logging level from the root logger to reduce irrelevant logs. In
> most cases, only the root logger is relevant. We can make {{env.log.level}}
> applies to the root logger only for simplicity.
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