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	<title>Arun Shanmugam &#8211; Noise</title>
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		<title>Unlock the power of Apache Iceberg v3 deletion vectors on Amazon EMR</title>
		<link>https://noise.getoto.net/2025/09/17/unlock-the-power-of-apache-iceberg-v3-deletion-vectors-on-amazon-emr/</link>
		
		<dc:creator><![CDATA[Arun Shanmugam]]></dc:creator>
		<pubDate>Wed, 17 Sep 2025 19:26:40 +0000</pubDate>
				<category><![CDATA[*Learning Levels]]></category>
		<category><![CDATA[Advanced (300)]]></category>
		<category><![CDATA[Amazon EMR]]></category>
		<category><![CDATA[Analytics]]></category>
		<category><![CDATA[Technical How-to]]></category>
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					<description><![CDATA[As modern data architectures expand, Apache Iceberg has become a widely popular open table format, providing ACID transactions, time travel, and schema evolution. In table format v2, Iceberg introduced merge-on-read, improving delete and update handling through positional delete files. These files improve write performance but can slow down reads when not compacted, since Iceberg must […]]]></description>
		
		
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