How To: Instance Request Number

Description:

This article will highlight the setting which controls the number of instances which are requesting during Qubole AutoScaling when attempting to add more nodes to the cluster. 

Prerequisites:

  • Familiarity with Qubole Clusters.

How To:

  • Log into api.qubole.com.
  • Select the desired account.
  • Navigate to the Control Panel.
  • Navigate to the Clusters pane. 
  • Select edit to modify the cluster. 
  • Scroll down to the Hadoop Cluster Settings.
  • In the Override Hadoop Configuration Variables text area enter the following:
  • Enter the following where # is equal to the number of instances to request at a time during AutoScaling:

mapred.hustler.nodes.max.request = #

  • Select Save and Start the Cluster.

 

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