Showing posts with the label Udemy popular online courses

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8 Ways to Optimize AWS Glue Jobs in a Nutshell

  Improving the performance of AWS Glue jobs involves several strategies that target different aspects of the ETL (Extract, Transform, Load) process. Here are some key practices. 1. Optimize Job Scripts Partitioning : Ensure your data is properly partitioned. Partitioning divides your data into manageable chunks, allowing parallel processing and reducing the amount of data scanned. Filtering : Apply pushdown predicates to filter data early in the ETL process, reducing the amount of data processed downstream. Compression : Use compressed file formats (e.g., Parquet, ORC) for your data sources and sinks. These formats not only reduce storage costs but also improve I/O performance. Optimize Transformations : Minimize the number of transformations and actions in your script. Combine transformations where possible and use DataFrame APIs which are optimized for performance. 2. Use Appropriate Data Formats Parquet and ORC : These columnar formats are efficient for storage and querying, signif

Udemy Best Selling Web Development Course

You may ask which course you need to learn. That is a web development course. You can do both regular and part-time job. This course has such a beautifulness. Another way is you can develop your own website and you can learn how to build your website. This is also one kind of advantage, so I am stressing to learn this course. 1. Web development By the end of this course, you will have the confidence and ability to create beautiful, functional websites. This course is project based so you be jumping into building your first website in no time. Don't worry if you have little or no experience, I will take it easy and try to clearly explain what we are doing and learn as we build. I believe this is the best way to learn, you will be able to apply what you are learning to a real project and instantly see the results. What you will be building: Project 1 - Begin by creating static recipe website from scratch, learn the fundamentals of HTML & CSS by hand coding your firs