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		<title>Cost-effective ETL with DuckDB and Amazon S3 Tables on AWS Glue</title>
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		<dc:creator><![CDATA[Bezuayehu Wate]]></dc:creator>
		<pubDate>Tue, 06 Oct 2026 16:13:02 +0000</pubDate>
				<category><![CDATA[Advanced (300)]]></category>
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					<description><![CDATA[Learn how to pair DuckDB with AWS Glue 6.0 to run SQL-centric ETL on a single worker, reading Parquet from Amazon S3 and writing Apache Iceberg tables to Amazon S3 Tables. This post walks through a complete, runnable example and compares measured cost and runtime against an equivalent Apache Spark job on the same Glue runtime.]]></description>
		
		
		
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		<title>Automate Spark Scala migration to 4.x with AWS Spark Upgrade Agent</title>
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		<dc:creator><![CDATA[Bezuayehu Wate]]></dc:creator>
		<pubDate>Tue, 28 Jul 2026 17:30:07 +0000</pubDate>
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					<description><![CDATA[Learn how to automate Apache Spark 3.x to 4.0 Scala migration on Amazon EMR using the AWS Spark Upgrade Agent. This post covers API deprecations, behavioral changes, build configuration updates, and job validation, turning months of manual effort into hours.]]></description>
		
		
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