Big data in practice using Spark
Nowadays everybody seems to be working with AI, Data Science and "big data". No doubt also you would like to interrogate your voluminous data sources (click streams, social media, relational data, cloud data, sensor data, ...) and are experiencing the shortcomings of traditional data analytics tools. Maybe you want the processing power of a cluster --and its parallel processing capabilities-- to interrogate your distributed data stores.
If fast prototyping and processing speed are a priority, Spark will most likely be the platform of your choice. Apache Spark is an open source processing engine focusing on low latency, ease of use, flexibility and analytics. It's an alternative to the MapReduce approach delivered of Hadoop with Hive (cf our course Big data in practice using Hadoop). Spark has complemented -actually superseded- Hadoop, due to the higher abstraction of Spark's APIs and its faster, in-memory processing.
More specifically, Spark allows to easily interrogate data sources on HDFS, in a NoSQL database (e.g. Cassandra or HBase), in a relational database, in the cloud (e.g. AWS S3) or in local files. Independent of this, a Spark job can easily run on either your local machine (i.e., in development mode), or on a Hadoop cluster (with Yarn), or a Mesos environment, or Kubernetes, or in the cloud. And all this through a simple Spark script or through a more complex (Java or Python) program or though a web based notebook (e.g. Zeppelin or Databricks).
This course builds on the context set forth in the Big data architecture and infrastructure overview course. You will get hands-on practice on Linux with Spark and its libraries. You learn how to implement robust data processing (in Python, Scala, or R) with an SQL-style interface.
After successful completion of the course, you will have sufficient basic expertise to set up a Spark or Databricks development environment, and use it to interrogate your data. You will be able to write simple Spark scripts and programs (with the Python based PySpark, or with the Scala based SparkShell) based on DataFrames and RDDs, and optionally also use the MLlib, GraphX, or Streaming libraries.
No public sessions are currently scheduled. We will be pleased to set up an on-site course or to schedule an extra public session (in case of a sufficient number of candidates). Interested? Please let us know.
Whoever wants to start practising Spark: developers, data architects, and anyone who needs to work with data science technology.
- Motivation for Spark & base concepts
- The Apache Spark project and its components
- Spark and Databricks
- Getting to learn the Spark architecture and programming model
- The principles of Data Analytics
- Data sources
- Learn how to access data residing in Hadoop HDFS, Cassandra, AWS S3, or a relational database
- Working with the several programming interfaces (specifically: Spark-shell and PySpark)
- Writing and debugging programs for simple data analytic problems
- Data Frames and RDDs
- A short introduction to the use of the Spark libraries
- Machine learning (MLlib)
- Streaming (i.e., processing "volatile" data)
- Parallel computations in trees and graphs (GraphX)
Classroom instruction, supported by practical examples and extensive practical exercises.
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