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Showing posts with the label Date and Time

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8 Ways to Optimize AWS Glue Jobs in a Nutshell

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  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
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Python DateTime Objects: Manipulating and Calculating Dates

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Date and Time how to get and how to use is well needed in a software project. So in Python, you can find these features. Date and Time Features in Python Date feature you need it to get Date in the coding. Here the point is the Date and how to get it, and the various formats of it. Generally, you will find three different Date and Time formats. Before going into detail, here are those formats. Date and Time formats Epoch: It is a point where the time starts and is dependent on the platform. It is taken as January 1st of the current year, 00:00:00. But for UNIX systems, it is 1st January, 1970, 00:00:00 (UTC). UTC: UTC means Coordinated Universal Time (also known as Greenwich Mean Time) and is a compromise between English and French. DST: It is Daylight Saving Time which is an adjustment of the time zone by one hour during part of the year. In other words, the clock is forward by one hour in the spring and backward by one hour in the autumn to return to standard time. 1. How to get the
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