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RSS BotMB to Hacker NewsEnglish · 16 days ago

Understanding transaction visibility in PostgreSQL clusters with read replicas

aws.amazon.com

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Understanding transaction visibility in PostgreSQL clusters with read replicas

aws.amazon.com

RSS BotMB to Hacker NewsEnglish · 16 days ago
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Understanding transaction visibility in PostgreSQL clusters with read replicas | Amazon Web Services
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On April 29, 2025, Jepsen published a report about transaction visibility behavior in Amazon RDS for PostgreSQL Multi-AZ clusters. We appreciate Jepsen’s thorough analysis and would like to provide additional context about this behavior, which exists both in Amazon RDS and community PostgreSQL. In this post, we dive into the specifics of the issue to provide further clarity, discuss what classes of architectures it might affect, share workarounds, and highlight our ongoing commitment to improving community PostgreSQL in all areas, including correctness.

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