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https://issues.apache.org/jira/browse/HDFS-9817?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15149668#comment-15149668
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Arpit Agarwal commented on HDFS-9817:
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Hi [~jojochuang], this was just for fixing new classes added as part of the
disk balancer feature in the HDFS-1312 branch. If you want to start a
hadoop-wide effort that can be tracked separately.
bq. Also, I have been thinking whether we should enforce people to use SLF4J
(or say, reject patches that import commons-httpclient which is EOL) via Yetus
precommit.
Good question, perhaps better to discuss this on the common-dev@ mailing list.
I don't have an opinion. IIRC log4j2 uses an incompatible configuration format
so we are unlikely to be rid of log4j any time soon.
> Use SLF4J in new classes
> ------------------------
>
> Key: HDFS-9817
> URL: https://issues.apache.org/jira/browse/HDFS-9817
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Components: logging
> Affects Versions: HDFS-1312
> Reporter: Arpit Agarwal
>
> We are trying to use SLF4J for new classes as far as possible so let's change
> all the newly added classes to use SLF4J instead of depending on Log4J.
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