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Updated in [February 21st, 2023]

What does this course tell?
(Please note that the following overview content is from the original platform)

This course will teach you how to optimize the performance of Spark clusters on Azure Databricks by identifying and mitigating various issues such as data ingestion problems and performance bottlenecks
The Apache Spark unified analytics engine is an extremely fast and performant framework for big data processing. However, you might find that your Apache Spark code running on Azure Databricks still suffers from a number of issues. These could be due to the difficulty in ingesting data in a reliable manner from a variety of sources or due to performance issues that you encounter because of disk I/O, network performance, or computation bottlenecks. In this course, Optimizing Apache Spark on Databricks, you will first explore and understand the issues that you might encounter ingesting data into a centralized repository for data processing and insight extraction. Then, you will learn how Delta Lake on Azure Databricks allows you to store data for processing, insights, as well as machine learning on Delta tables and you will see how you can mitigate your data ingestion problems using Auto Loader on Databricks to ingest streaming data. Next, you will explore common performance bottlenecks that you are likely to encounter while processing data in Apache Spark, issues dealing with serialization, skew, spill, and shuffle. You will learn techniques to mitigate these issues and see how you can improve the performance of your processing code using disk partitioning, z-order clustering, and bucketing. Finally, you will learn how you can share resources on the cluster using scheduler pools and fair scheduling and how you can reduce disk read and write operations using caching on Delta tables. When you are finished with this course, you will have the skills and knowledge of optimizing performance in Spark needed to get the best out of your Spark cluster.

We consider the value of this course from multiple aspects, and finally summarize it for you from three aspects: personal skills, career development, and further study:
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What skills and knowledge will you acquire during this course?
This course will provide learners with the skills and knowledge to optimize the performance of Spark clusters on Azure Databricks. Learners will gain an understanding of how to identify and mitigate various issues such as data ingestion problems and performance bottlenecks. They will learn how to use Delta Lake on Azure Databricks to store data for processing, insights, and machine learning on Delta tables. Additionally, learners will gain techniques to mitigate common performance bottlenecks such as serialization, skew, spill, and shuffle. They will also learn how to share resources on the cluster using scheduler pools and fair scheduling, as well as how to reduce disk read and write operations using caching on Delta tables. Finally, learners will gain the skills and knowledge of optimizing performance in Spark needed to get the best out of their Spark cluster.

How does this course contribute to professional growth?
This course provides learners with the skills and knowledge needed to optimize the performance of Spark clusters on Azure Databricks. Learners can identify and mitigate various issues such as data ingestion problems and performance bottlenecks, use Delta Lake on Azure Databricks to store data for processing, insights, and machine learning on Delta tables, and mitigate common performance bottlenecks such as serialization, skew, spill, and shuffle. Additionally, learners can learn how to share resources on the cluster using scheduler pools and fair scheduling, as well as how to reduce disk read and write operations using caching on Delta tables. By completing this course, learners will gain the skills and knowledge of optimizing performance in Spark needed to get the best out of their Spark cluster, thus contributing to their professional growth.

Is this course suitable for preparing further education?
This course is suitable for preparing further education as it provides learners with the skills and knowledge needed to optimize the performance of Spark clusters on Azure Databricks. Learners can learn how to identify and mitigate various issues such as data ingestion problems and performance bottlenecks, use Delta Lake on Azure Databricks to store data, mitigate common performance bottlenecks, share resources on the cluster, and reduce disk read and write operations. These skills and knowledge are essential for further education in the field of Apache Spark.