July 2017
Intermediate to advanced
796 pages
18h 55m
English
Content preview from Scala and Spark for Big Data Analytics
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Client mode
In this mode, the Mesos framework works in such a way that the Spark job is launched on the client machine directly. It then waits for the computed results, also called the driver output. To interact properly with the Mesos, the driver, however, expects that there are some application-specific configurations specified in SPARK_HOME/conf/spark-env.sh . To make this happened, modify the spark-env.sh.template file at $SPARK_HOME /conf, and before using this client mode, in your spark-env.sh, set the following environment variables:
$ export MESOS_NATIVE_JAVA_LIBRARY=<path to libmesos.so>
This path is typically /usr/local /lib/libmesos.so on Ubuntu. On the other hand, on macOS X, the same library is called libmesos.dylib instead of ...
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