Siddharth Seth created TEZ-2222:
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Summary: Investigate moving to log4j2 for logging
Key: TEZ-2222
URL: https://issues.apache.org/jira/browse/TEZ-2222
Project: Apache Tez
Issue Type: Improvement
Reporter: Siddharth Seth
Via slf4j.
Some bits to keep in mind
- We have explicit code which rotates logs using direct log4j12 APIs. This
should keep working. I believe the log4j2 APIs are different here
- API compatibility between log4j12 / log4j2 can be problematic - if both end
up on the classpath (I believe the APIs are different)
- Hadoop dist includes a slf4j-log4j12 binding. Changing the default can result
in sl4j-log4j12 and slf4j-log4j2 to co-exist by default - which could be
problematic. Needs investigation.
End of the day, we will likely need an option to use either of the two.
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