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Duo Zhang commented on HBASE-19449: ----------------------------------- I think slf4j has a more modern API and there is migration tool to migrate from commons logging to slf4j. https://www.slf4j.org/migrator.html Seems hadoop is already on slf4j? Thanks. > Implement SLF4J and SLF4J Parameter Substitution > ------------------------------------------------ > > Key: HBASE-19449 > URL: https://issues.apache.org/jira/browse/HBASE-19449 > Project: HBase > Issue Type: Improvement > Components: hbase > Affects Versions: 3.0.0 > Reporter: BELUGA BEHR > Assignee: BELUGA BEHR > Priority: Trivial > Fix For: 2.0.0 > > Attachments: HBASE-19449.1.patch, HBASE-19449.2.patch, > HBASE-19449.3.patch, HBASE-19449.4.patch > > > For the {{HFileArchiver.java}} class... > * Use SLF4J logging > * Use SLF4J parameter substitution > * Fix some small issues with missing spaces between words in the log message > and the like > https://www.slf4j.org/faq.html#logging_performance -- This message was sent by Atlassian JIRA (v6.4.14#64029)