In this tutorial, you will learn how to install H2O Sparkling Water on Mac OS and running H2O sparkling-shell and Flow web interface. In order to run Sparkling Water, you need to have an Apache Spark installed on your computer.
Sparkling Water enables users to run H2O machine learning algorithms on the Spark cluster which allows H2O to benefit from Spark capabilities like fast, scalable and distributed in-memory processing.
Problem: When we attempt a Remote Control session to the latest OS X 'Mojave 10.14 Mac build', the mouse and keyboard are completely non-functional.While the Live Connect screen shows the preview correctly but when a remote is initiated the cursor and keyboard are unusable.
1. Install Java
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Sparkling Water needs Java to be installed, Run below command to install JDK, In my case, I am using OpenJDK
Post JDK install, check if it installed successfully by running
And to know the location of where Java installed
2. Download and Install Apache Spark
First, download Apache Spark, unzip the binary to a directory on your computer and have the SPARK_HOME environment variable set to the Spark home directory. I’ve downloaded spark-2.4.4-bin-hadoop2.7 version, Depending on when you reading this download the latest version available and the steps should not have changed much.
You can also install using brew as show below.
3. Download & Install H2O Sparkling Water
Stay By The Water Mac Os 11
Now, download H2O Sparkling Water, At this time there is no brew install for H20 hence, we need to manually download and install.
and unzip the downloaded file. In case if you don’t have unzip package installed, install it using sudo apt install unzip
In my case, I’ve download Sparkling Water version 3.28 which supports Spark 2.4.4 and unzip into /home/macos/sparkling-water-3.28.0.3-1-2.4
4. Start Sparkling Shell on mac
To start Sparkling shell, open terminal, change directory to /home/macos/sparkling-water-3.28.0.3-1-2.4 and run ./bin/sparkling-shell which outputs something like below. This also initializes Spark Context with Web UI available at http://192.168.56.1:4040 (change IP address to your system IP)
Now let’s create H2OContext by taking SparkSession object “spark” as a parameter, This creates an H2O Cloud inside the Spark Cluster.
Stay By The Water Mac Os X
This also runs an H2O Flow web UI interface to interact and run machine learning models. Open Flow in browser: http://192.168.56.1:54321 (change the IP address to your system IP) . For now, ignore the warnings you get.
Conclusion
In this article, you have learned how to install H2O Sparkling Water on Mac OS and running sparkling-shell and finally created H2OContext where you can access the H2O Flow web UI interface.
Happy Learning !!