1. Configuring the Timeline Server

Required Properties

Only one property needs to be specified in the etc/hadoop/conf/yarn-site.xml file in order to enable the Timeline Server: yarn.timeline-service.hostname. The host name of the Timeline Server web application.

Example:

 <property>
 <description>The hostname of the timeline server web application.</description>
 <name>yarn.timeline-service.hostname</name>
 <value>0.0.0.0</value>
</property>

Advanced Properties

In addition to the host name, administrators can also configure the ports of the RPC and the web interfaces, as well as the number of RPC handler threads.

yarn.timeline-service.address

The default address for the Timeline Server to start the RPC server.

Example:

<property>
 <description>This is default address for the timeline server to start the RPC server.</description>
 <name>yarn.timeline-service.address</name>
 <value>${yarn.timeline-service.hostname}:10200</value>
</property>

yarn.timeline-service.webapp.address

The HTTP address of the Timeline Server web application.

Example:

<property>
 <description>The http address of the timeline server web application.</description>
 <name>yarn.timeline-service.webapp.address</name>
 <value>${yarn.timeline-service.hostname}:8188</value>
</property>

yarn.timeline-service.webapp.https.address

The HTTPS address of the Timeline Server web application.

Example:

<property>
 <description>The https adddress of the timeline server web application.</description>
 <name>yarn.timeline-service.webapp.https.address</name>
 <value>${yarn.timeline-service.hostname}:8190</value>
</property>

yarn.timeline-service.handler-thread-count

The handler thread count to serve the client RPC requests.

Example:

<property>
 <description>Handler thread count to serve the client RPC requests.</description>
 <name>yarn.timeline-service.handler-thread-count</name>
 <value>10</value>
</property>

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