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ASF GitHub Bot commented on HADOOP-18206: ----------------------------------------- virajjasani commented on code in PR #5315: URL: https://github.com/apache/hadoop/pull/5315#discussion_r1087096464 ########## hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/DataNode.java: ########## @@ -360,7 +358,8 @@ public class DataNode extends ReconfigurableBase FS_GETSPACEUSED_JITTER_KEY, FS_GETSPACEUSED_CLASSNAME)); - public static final Log METRICS_LOG = LogFactory.getLog("DataNodeMetricsLog"); + public static final org.apache.log4j.Logger METRICS_LOG = + org.apache.log4j.Logger.getLogger("DataNodeMetricsLog"); Review Comment: I agree for using slf4j directly but the problem here is that `makeMetricsLoggerAsync()` is adding async appenders and using few more APIs like `setAdditivity()` and `removeAppender()` directly from log4j. Hence, for this PR, it would be difficult to switch to using slf4j. But yes this work is planned as a sub-task. > Cleanup the commons-logging references in the code base > ------------------------------------------------------- > > Key: HADOOP-18206 > URL: https://issues.apache.org/jira/browse/HADOOP-18206 > Project: Hadoop Common > Issue Type: Sub-task > Reporter: Duo Zhang > Assignee: Viraj Jasani > Priority: Major > Labels: pull-request-available > > Should always use slf4j -- This message was sent by Atlassian Jira (v8.20.10#820010) --------------------------------------------------------------------- To unsubscribe, e-mail: common-issues-unsubscr...@hadoop.apache.org For additional commands, e-mail: common-issues-h...@hadoop.apache.org