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The following page has been changed by RongEnFan: http://wiki.apache.org/hadoop/Hbase/FAQ ------------------------------------------------------------------------------ '''5. [[Anchor(5)]] How do I enable hbase DEBUG-level logging?''' - Either add the following line to your log4j.properties file -- ''log4j.logger.org.apache.hadoop.hbase=DEBUG'' -- and restart your cluster or, if running a post-0.15.x version, you can set DEBUG via the UI by clicking on the 'Log Level' link. + Either add the following line to your log4j.properties file -- ''log4j.logger.org.apache.hadoop.hbase=DEBUG'' -- and restart your cluster or, if running a post-0.15.x version, you can set DEBUG via the UI by clicking on the 'Log Level' link (but you need set 'org.apache.hadoop.hbase' to DEBUG without the 'log4j.logger' prefix). '''6. [[Anchor(6)]] Why do I see "java.io.IOException...(Too many open files)" in my logs?'''
