HADOOP-11575. Daemon log documentation is misleading (Naganarasimha G R via aw)
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Allen Wittenauer
parent
8b787e2fdb
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72389c78db
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@ -175,6 +175,9 @@ Trunk (Unreleased)
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HADOOP-11495. Convert site documentation from apt to markdown
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(Masatake Iwasaki via aw)
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HADOOP-11575. Daemon log documentation is misleading
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(Naganarasimha G R via aw)
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BUG FIXES
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HADOOP-11473. test-patch says "-1 overall" even when all checks are +1
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@ -38,8 +38,8 @@ import org.apache.hadoop.util.ServletUtil;
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@InterfaceStability.Evolving
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public class LogLevel {
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public static final String USAGES = "\nUsage: General options are:\n"
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+ "\t[-getlevel <host:httpPort> <name>]\n"
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+ "\t[-setlevel <host:httpPort> <name> <level>]\n";
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+ "\t[-getlevel <host:httpPort> <classname>]\n"
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+ "\t[-setlevel <host:httpPort> <classname> <level>]\n";
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/**
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* A command line implementation
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@ -106,7 +106,7 @@ public class LogLevel {
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if (logName != null) {
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out.println("<br /><hr /><h3>Results</h3>");
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out.println(MARKER
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+ "Submitted Log Name: <b>" + logName + "</b><br />");
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+ "Submitted Class Name: <b>" + logName + "</b><br />");
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Log log = LogFactory.getLog(logName);
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out.println(MARKER
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@ -131,10 +131,10 @@ public class LogLevel {
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}
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static final String FORMS = "\n<br /><hr /><h3>Get / Set</h3>"
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+ "\n<form>Log: <input type='text' size='50' name='log' /> "
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+ "\n<form>Class Name: <input type='text' size='50' name='log' /> "
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+ "<input type='submit' value='Get Log Level' />"
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+ "</form>"
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+ "\n<form>Log: <input type='text' size='50' name='log' /> "
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+ "\n<form>Class Name: <input type='text' size='50' name='log' /> "
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+ "Level: <input type='text' name='level' /> "
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+ "<input type='submit' value='Set Log Level' />"
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+ "</form>";
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@ -212,14 +212,16 @@ Commands useful for administrators of a hadoop cluster.
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### `daemonlog`
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Usage: `hadoop daemonlog -getlevel <host:port> <name> ` Usage: `hadoop daemonlog -setlevel <host:port> <name> <level> `
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Usage: `hadoop daemonlog -getlevel <host:httpport> <classname> ` Usage: `hadoop daemonlog -setlevel <host:httpport> <classname> <level> `
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| COMMAND\_OPTION | Description |
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|:---- |:---- |
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| `-getlevel` *host:port* *name* | Prints the log level of the daemon running at *host:port*. This command internally connects to http://host:port/logLevel?log=name |
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| `-setlevel` *host:port* *name* *level* | Sets the log level of the daemon running at *host:port*. This command internally connects to http://host:port/logLevel?log=name |
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| `-getlevel` *host:httpport* *classname* | Prints the log level of the log identified by a qualified *classname*, in the daemon running at *host:httpport*. This command internally connects to `http://<host:httpport>/logLevel?log=<classname>` |
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| `-setlevel` *host:httpport* *classname* *level* | Sets the log level of the log identified by a qualified *classname*, in the daemon running at *host:httpport*. This command internally connects to `http://<host:httpport>/logLevel?log=<classname>&level=<level>` |
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Get/Set the log level for each daemon.
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Get/Set the log level for a Log identified by a qualified class name in the daemon.
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Example: $ bin/hadoop daemonlog -setlevel 127.0.0.1:50070 org.apache.hadoop.hdfs.server.namenode.NameNode DEBUG
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Files
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-----
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@ -194,24 +194,27 @@ YARN Commands
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Usage:
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---------------------------------
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yarn daemonlog -getlevel <host:port> <name>
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yarn daemonlog -setlevel <host:port> <name> <level>
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yarn daemonlog -getlevel <host:httpport> <classname>
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yarn daemonlog -setlevel <host:httpport> <classname> <level>
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---------------------------------
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*---------------+--------------+
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|| COMMAND_OPTIONS || Description |
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*---------------+--------------+
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| -getlevel \<host:port\> \<name\> | Prints the log level of the daemon running
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| | at \<host:port\>. This command internally connects to
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| | http://\<host:port\>/logLevel?log=\<name\>
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| -getlevel \<host:httpport\> \<classname\> | Prints the log level of the log identified
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| | by a qualified \<classname\>, in the daemon running at \<host:httpport\>. This
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| | command internally connects to http://\<host:httpport\>/logLevel?log=\<classname\>
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*---------------+--------------+
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| -setlevel \<host:port\> \<name\> \<level\> | Sets the log level of the daemon
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| | running at \<host:port\>. This command internally connects to
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| | http://\<host:port\>/logLevel?log=\<name\>
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| -setlevel \<host:httpport\> \<classname\> \<level\> | Sets the log level of the log
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| | identified by a qualified \<classname\> in the daemon running at \<host:httpport\>.
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| | This command internally connects to http://\<host:httpport\>/logLevel?log=\<classname\>&level=\<level\>
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*---------------+--------------+
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Get/Set the log level for each daemon.
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Get/Set the log level for a Log identified by a qualified class name in the daemon.
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----
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Example: $ bin/yarn daemonlog -setlevel 127.0.0.1:8088 org.apache.hadoop.yarn.server.resourcemanager.rmapp.RMAppImpl DEBUG
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----
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** <<<nodemanager>>>
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