Showing posts with the label Calculate

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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

Python How to Find Day of the Week

DAY of the week Python code you will know here. One is from Calendar, and another one is from a function. Here, I have given my ideas on a better method. Also, the result you can get in a tuple. You might also like Attitude is Everything That Changes Your Life. Day of Week and Day_Name Monday 0 Tuesday 1 Wednesday 2 Thursday 3 Friday 4 Saturday 5 Sunday 6 Python: Day of Week How to Calculate 1. Python Logic to get Day of Week from Calendar from datetime import datetime import calendar dt = dn = dt.weekday() print ("Today is day number: {0}".format(dn)) print ("Today is a {0}".format(calendar.day_name[dn])) Here, the print uses string.format method to print output. Check out   the best example to use this method . The Output The result from the first logic Instead of directly using DateTime, you can write a function - that creates a tuple with Day of week and Day name. 2. Python Logic to get Day and Day_name  User defined function from datetime i