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I'm trying to run a script in the pyspark environment but so far I haven't been able to.
How can I run a script like python script.py but in pyspark?
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Spark environment provides a command to execute the application file, be it in Scala or Java(need a Jar format), Python and R programming file. The command is, $ spark-submit --master <url> <SCRIPTNAME>. py .
Go to the Spark Installation directory from the command line and type bin/pyspark and press enter, this launches pyspark shell and gives you a prompt to interact with Spark in Python language. If you have set the Spark in a PATH then just enter pyspark in command line or terminal (mac users).
By default, PySpark requires python to be available on the system PATH and use it to run programs; an alternate Python executable may be specified by setting the PYSPARK_PYTHON environment variable in conf/spark-env.sh (or . cmd on Windows).
If you use --deploy-mode client while spark-submit, then python script will run in cluster mode and application will be displayed on UI. for this you have to set spark master url pointing to spark master url node ip as ( spark://x.x.x.x:7077 ) and provide application name in conf which will be displayed on UI.
You can do: ./bin/spark-submit mypythonfile.py
Running python applications through pyspark is not supported as of Spark 2.0.
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