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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

Python: Store Multiple Values in a Variable

In Python, you can assign values to the variables. This post tells you how to assign values to multiple variables. It is common assigning values in any programming language. But Python simplifies your job by introducing this technic. Here is Python For Loop Tricky Example.

Python Assigning the Values At once.

a = 1
b = 1
c = 1
d = 1
or, you can assign simultaneously as;
a=b=c=d=1


Python Assigning Multiple Values at Once

Python Assigning Multiple Values at Once


The other way you can assign as;

a, b, c, d = 10, 1, 3.5, 'Srini'

From the above, you can understand as below:

The '10' assigns to a.
The '1' assigns to b.
The '3.5' assigns to c.
Then 'Srini' to d.

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