Colin Patrick McCabe created HDFS-6956:
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Summary: Allow dynamically changing the tracing level in Hadoop
servers
Key: HDFS-6956
URL: https://issues.apache.org/jira/browse/HDFS-6956
Project: Hadoop HDFS
Issue Type: Sub-task
Reporter: Colin Patrick McCabe
We should allow users to dynamically change the tracing level in Hadoop
servers. The easiest way to do this is probably to have an RPC accessible only
to the superuser that changes tracing settings. This would allow us to turn on
and off tracing on the NameNode, DataNode, etc. at runtime.
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