Streams Yarn Configuration 2.0

The configuration file provides default values for various knobs in the Application Master. These values must be specified before the Application Master is deployed and cannot be changed/updated unless the application master is stopped and restarted.

• AM_QUEUE_NAME=default Queue name for the application master.
• AM_CORES=2 Cores that are allocated to the application master.
• AM_MEMORY=2048 Memory that is allocated to the application master.
• DC_CORES=2 Default number of cores to be requested for the domain controller service.
• DC_MEMORY=8192 Default memory in bytes to be requested for the domain controller service.
• WAIT_SYNC_SECS=30 Maximum wait time in seconds for resources to be allocated on a SYNCHRONOUS call.
• WAIT_ASYNC_SECS=5 Maximum wait time in seconds for resources to be allocated on an ASYNCHRONOUS call.
• WAIT_FLEXIBLE_SECS=5 Maximum wait time in seconds for resources to be allocated on a FLEXIBLE call.
• WAIT_HEARTBEAT_SECS=5 Maximum wait time in seconds between heartbeats sent to Apache Hadoop YARN.