January 2019
Intermediate to advanced
322 pages
7h 29m
English
Content preview from Hands-On Deep Learning with Apache Spark
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Submitting Spark applications on YARN
To launch Spark applications on YARN, the HADOOP_CONF_DIR or YARN_CONF_DIR env variable needs to be set and pointing to the directory that contains the client-side configuration files for the Hadoop cluster. These configurations are needed to connect to the YARN ResourceManager and to write to HDFS. This configuration is distributed to the YARN cluster so that all the containers used by the Spark application have the same configuration. To launch Spark applications on YARN, two deployment modes are available:
- Cluster mode: In this case, the Spark driver runs inside an application master process that's managed by YARN on the cluster. The client can finish its execution after initiating the application. ...
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