jiaan.geng created SPARK-29548:
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Summary: Redirect system print stream to log4j and improve
robustness
Key: SPARK-29548
URL: https://issues.apache.org/jira/browse/SPARK-29548
Project: Spark
Issue Type: Improvement
Components: Spark Core
Affects Versions: 3.0.0
Reporter: jiaan.geng
In a production environment, user behavior is highly random and uncertain.
For example: Users use `System.out` or `System.err` to print information.
But the system print stream may cause some trouble, such as: the disk file is
too large.
In my production environment, it causes the disk to be full and let
[NodeManager] works not fine.
A method of threat is to forbid the use of `System.out` or `System.err`. But
unfriendly to the users.
A better method is to redirecting the system print stream to `Log4j` and Spark
can take advantage of `Log4j`'s split log.
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