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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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How to Write Complex Python Script: Explained Each Step

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 Creating a complex Python script is challenging, but I can provide you with a simplified example of a script that simulates a basic bank account system. In a real-world application, this would be much more elaborate, but here's a concise version. Python Complex Script Here is an example of a Python script that explains each step: class BankAccount:     def __init__(self, account_holder, initial_balance=0):         self.account_holder = account_holder         self.balance = initial_balance     def deposit(self, amount):         if amount > 0:             self.balance += amount             print(f"Deposited ${amount}. New balance: ${self.balance}")         else:             print("Invalid deposit amount.")     def withdraw(self, amount):         if 0 < amount <= self.balance:             self.balance -= amount             print(f"Withdrew ${amount}. New balance: ${self.balance}")         else:             print("Invalid withdrawal amount o
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