4. Configuring Per-Framework Data Collection

yarn.timeline-service.enabled

Indicates to clients whether or not the Timeline Server is enabled. If it is enabled, the TimelineClient library used by end-users will post entities and events to the Timeline Server.

Example:

<property>
     <description>Enable or disable the Timeline Server.</description>
     <name>yarn.timeline-service.enabled</name>
     <value>true</value>
</property>

yarn.timeline-service.store-class

The class name for the Timeline store.

Example:

<property>
     <description>Store class name for timeline store</description>
     <name>yarn.timeline-service.store-class</name>
     <value>org.apache.hadoop.yarn.server.applicationhistoryservice.timeline.LeveldbTimelineStore</value>
</property>

yarn.timeline-service.leveldb-timeline-store.path

The store file path and name for the Timeline Server LevelDB store (if the LevelDB store is used).

Example:

<property>
     <description>Store file name for leveldb timeline store</description>
     <name>yarn.timeline-service.leveldb-timeline-store.path</name>
     <value>${yarn.log.dir}/timeline</value>
</property>

yarn.timeline-service.ttl-enable

Enable age-off of timeline store data.

Example:

<property>
  <description>Enable age off of timeline store data.</description>
  <name>yarn.timeline-service.ttl-enable</name>
  <value>true</value>
</property>

yarn.timeline-service.ttl-ms

The Time-to-live for timeline store data (in milliseconds).

Example:

<property>
  <description>Time to live for timeline store data in milliseconds.</description>
  <name>yarn.timeline-service.ttl-ms</name>
  <value>604800000</value>
</property>