Apache Spark Component Guide
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Installing the Spark Thrift Server After Deploying Spark

To install the Spark Thrift server after deploying Spark over Ambari, add the Thrift service to the specified host or hosts. Deploying the Thrift server on multiple hosts increases scalability of the Thrift server; the number of hosts should take into consideration the cluster capacity allocated to Spark.

  1. On the Summary tab, click "+ Add" and choose the Spark Thrift server:

  2. When Ambari prompts you to confirm the selection, click Confirm All:

    The installation process runs in the background until it is complete: