Vincent Woo created FLINK-36711:
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             Summary: Add tips when System out and err are redirected to LOG or 
discarded
                 Key: FLINK-36711
                 URL: https://issues.apache.org/jira/browse/FLINK-36711
             Project: Flink
          Issue Type: Improvement
          Components: Runtime / Configuration
            Reporter: Vincent Woo


When System.out and System.err are redirected to LOG or discarded, there are 
some scenarios that do not match the user's expectations, leading them to be 
unclear about how to view the relevant output information
 # SREs that maintain Flink clusters set all jobs to be redirected or discarded 
by default

 # There are multiple maintainers for the same task, one of them set to 
redirect and the rest are not aware of it.

Situations such as the above can cause users to add System.out or System.err 
related output, but there is no related output when viewing the out or err 
file, and they don't know the reason for this and don't know where to view the 
related output information.



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