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README.md

A Swift Application computing an approximation to pi with Apache Spark Connect Swift Client

This is an example Swift application to show how to use Apache Spark Connect Swift Client library.

How to run

Prepare Spark Connect Server via running Docker image.

docker run --rm -p 15002:15002 apache/spark:4.1.1 bash -c "/opt/spark/sbin/start-connect-server.sh --wait"

Build an application Docker image.

$ docker build -t apache/spark-connect-swift:pi .
$ docker images apache/spark-connect-swift:pi
IMAGE                           ID             DISK USAGE   CONTENT SIZE   EXTRA
apache/spark-connect-swift:pi   cae3fd3b9833        550MB          128MB

Run pi docker image.

$ docker run --rm -e SPARK_REMOTE=sc://host.docker.internal:15002 apache/spark-connect-swift:pi
Pi is roughly 3.1434711434711433

Run from source code.

$ swift run
...
Pi is roughly 3.143995143995144