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Description

I found that master will create logger for every task, but it is synchronized when get logger and do append, which have a big impact on performance.
So I think we can add a logger switch for it, default open, and it will create task logger and append task log.
If we turn off the logger switch, it will append to the master log.

Use case

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Related issues

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Are you willing to submit a PR?

• Yes I am willing to submit a PR!

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