[jira] [Created] (SPARK-29548) Redirect system print stream to log4j and improve robustness

["jiaan.geng (Jira)" <ji...@apache.org>]

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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