virajjasani commented on PR #5451:
URL: https://github.com/apache/hadoop/pull/5451#issuecomment-1470945541
> it took away some abilities which we could do today and the Deprecated is
also misunderstood
Ayush, I have added a temporary appender (which will later be removed when
we move to log4j2 finally) that provides us the same abilities.
I posted on the parent Jira as well HADOOP-16206 :
- Migrating Async appenders from code to log4j properties for namenode audit
logger as well as datanode/namenode metric loggers
- Provided sample log4j properties on how we can configure AsyncAppender to
wrap RFA for the loggers
- Incompatible change as three hdfs-site configs are no longer in use, they
are to be replaced with log4j properties.
- Deprecated them, added javadoc and log to indicate the log4j replacement
rather than relying on the configs. The configs:
- dfs.namenode.audit.log.async
- dfs.namenode.audit.log.async.blocking
- dfs.namenode.audit.log.async.buffer.size
- namenode audit logger as well as datanode/namenode metric loggers now use
SLF4J logger rather than log4j logger directly
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