MAPREDUCE-3275. Added documentation for AM WebApp Proxy. Contributed by Robert Evans.
git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1195579 13f79535-47bb-0310-9956-ffa450edef68
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@ -452,6 +452,9 @@ Release 0.23.0 - Unreleased
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MAPREDUCE-3146. Added a MR specific command line to dump logs for a
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given TaskAttemptID. (Siddharth Seth via vinodkv)
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MAPREDUCE-3275. Added documentation for AM WebApp Proxy. (Robert Evans via
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acmurthy)
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OPTIMIZATIONS
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MAPREDUCE-2026. Make JobTracker.getJobCounters() and
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@ -100,6 +100,8 @@ Hadoop MapReduce Next Generation - Cluster Setup
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| ResourceManager | YARN_RESOURCEMANAGER_OPTS |
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*--------------------------------------+--------------------------------------+
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| NodeManager | YARN_NODEMANAGER_OPTS |
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*--------------------------------------+--------------------------------------+
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| WebAppProxy | YARN_PROXYSERVER_OPTS |
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*--------------------------------------+--------------------------------------+
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For example, To configure Namenode to use parallelGC, the following
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@ -450,9 +452,16 @@ Hadoop MapReduce Next Generation - Cluster Setup
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Run a script to start NodeManagers on all slaves:
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----
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$ $YARN_HOME/bin/hdfs start nodemanager --config $HADOOP_CONF_DIR
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$ $YARN_HOME/bin/yarn start nodemanager --config $HADOOP_CONF_DIR
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----
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Start a standalone WebAppProxy server. If multiple servers
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are used with load balancing it should be run on each of them:
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----
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$ $YARN_HOME/bin/yarn start proxyserver --config $HADOOP_CONF_DIR
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----
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Start the MapReduce JobHistory Server with the following command, run on the
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designated server:
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@ -485,9 +494,17 @@ Hadoop MapReduce Next Generation - Cluster Setup
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Run a script to stop NodeManagers on all slaves:
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----
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$ $YARN_HOME/bin/hdfs stop nodemanager --config $HADOOP_CONF_DIR
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$ $YARN_HOME/bin/yarn stop nodemanager --config $HADOOP_CONF_DIR
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----
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Stop the WebAppProxy server. If multiple servers are used with load
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balancing it should be run on each of them:
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----
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$ $YARN_HOME/bin/yarn stop proxyserver --config $HADOOP_CONF_DIR
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----
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Stop the MapReduce JobHistory Server with the following command, run on the
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designated server:
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@ -502,7 +519,7 @@ Hadoop MapReduce Next Generation - Cluster Setup
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to run Hadoop in <<secure mode>> with strong, Kerberos-based
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authentication.
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* <<<User Acccounts for Hadoop Daemons>>>
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* <<<User Accounts for Hadoop Daemons>>>
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Ensure that HDFS and YARN daemons run as different Unix users, for e.g.
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<<<hdfs>>> and <<<yarn>>>. Also, ensure that the MapReduce JobHistory
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@ -751,6 +768,31 @@ KVNO Timestamp Principal
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* <<<conf/yarn-site.xml>>>
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* WebAppProxy
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The <<<WebAppProxy>>> provides a proxy between the web applications
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exported by an application and an end user. If security is enabled
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it will warn users before accessing a potentially unsafe web application.
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Authentication and authorization using the proxy is handled just like
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any other privileged web application.
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*-------------------------+-------------------------+------------------------+
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|| Parameter || Value || Notes |
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*-------------------------+-------------------------+------------------------+
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| <<<yarn.web-proxy.address>>> | | |
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| | <<<WebAppProxy>>> host:port for proxy to AM web apps. | |
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| | | <host:port> if this is the same as <<<yarn.resourcemanager.webapp.address>>>|
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| | | or it is not defined then the <<<ResourceManager>>> will run the proxy|
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| | | otherwise a standalone proxy server will need to be launched.|
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*-------------------------+-------------------------+------------------------+
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| <<<yarn.web-proxy.keytab>>> | | |
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| | </etc/security/keytab/web-app.service.keytab> | |
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| | | Kerberos keytab file for the WebAppProxy. |
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*-------------------------+-------------------------+------------------------+
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| <<<yarn.web-proxy.principal>>> | wap/_HOST@REALM.TLD | |
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| | | Kerberos principal name for the WebAppProxy. |
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*-------------------------+-------------------------+------------------------+
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* LinuxContainerExecutor
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A <<<ContainerExecutor>>> used by YARN framework which define how any
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@ -968,7 +1010,15 @@ KVNO Timestamp Principal
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Run a script to start NodeManagers on all slaves as <yarn>:
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----
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[yarn]$ $YARN_HOME/bin/hdfs start nodemanager --config $HADOOP_CONF_DIR
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[yarn]$ $YARN_HOME/bin/yarn start nodemanager --config $HADOOP_CONF_DIR
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----
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Start a standalone WebAppProxy server. Run on the WebAppProxy
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server as <yarn>. If multiple servers are used with load balancing
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it should be run on each of them:
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----
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[yarn]$ $YARN_HOME/bin/yarn start proxyserver --config $HADOOP_CONF_DIR
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----
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Start the MapReduce JobHistory Server with the following command, run on the
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@ -1003,12 +1053,20 @@ KVNO Timestamp Principal
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Run a script to stop NodeManagers on all slaves as <yarn>:
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----
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[yarn]$ $YARN_HOME/bin/hdfs stop nodemanager --config $HADOOP_CONF_DIR
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[yarn]$ $YARN_HOME/bin/yarn stop nodemanager --config $HADOOP_CONF_DIR
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----
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Stop the WebAppProxy server. Run on the WebAppProxy server as
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<yarn>. If multiple servers are used with load balancing it
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should be run on each of them:
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----
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[yarn]$ $YARN_HOME/bin/yarn stop proxyserver --config $HADOOP_CONF_DIR
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----
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Stop the MapReduce JobHistory Server with the following command, run on the
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designated server as <mapred>:
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----
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[mapred]$ $YARN_HOME/bin/yarn stop historyserver --config $HADOOP_CONF_DIR
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----
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