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HDFS-16236. Example command for daemonlog is not correct (#3476)

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Renukaprasad C 2021-09-25 16:02:52 +05:30 committed by GitHub
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hadoop-common-project/hadoop-common/src/site/markdown/CommandsManual.md
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@ -281,7 +281,7 @@ By default, the command sends a HTTP request, but this can be overridden by usin
Example:
$ bin/hadoop daemonlog -setlevel 127.0.0.1:9870 org.apache.hadoop.hdfs.server.namenode.NameNode DEBUG
$ bin/hadoop daemonlog -getlevel 127.0.0.1:9871 org.apache.hadoop.hdfs.server.namenode.NameNode DEBUG -protocol https
$ bin/hadoop daemonlog -getlevel 127.0.0.1:9871 org.apache.hadoop.hdfs.server.namenode.NameNode -protocol https
Note that the setting is not permanent and will be reset when the daemon is restarted.
This command works by sending a HTTP/HTTPS request to the daemon's internal Jetty servlet, so it supports the following daemons: