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Streams Yarn Configuration 2.0

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Rohit Wagle edited this page Jun 12, 2015 · 3 revisions

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.
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