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The fastest Postgres inserts

Blog post from Hatchet

Post Details
Company
Date Published
Author
Alexander Belanger
Word Count
1,948
Company Posts That Month
2
Language
English
Hacker News Points
-
Post removed?
No
Summary

Over a six-month period, Hatchet explored the scalability of Postgres by running benchmarks to address performance issues observed in their database, which is critical to their task queue and monitoring systems. They discovered that with simple optimizations like reducing network latency and using connection pooling, as well as more complex strategies such as batched inserts and leveraging the COPY...FROM command, significant performance improvements could be achieved. While increasing throughput, these tweaks also highlighted the trade-offs between throughput and latency, suggesting that the optimal setup depends on balancing batch sizes and connection management to avoid overhead and bottlenecks. The team's findings underscore the potential to enhance Postgres performance without switching to specialized data stores, despite the challenges of managing shared resources like CPU and locks. Future explorations will delve into more nuanced scenarios, such as handling foreign keys and employing alternative insert strategies, illustrating the depth of optimization possible in Postgres environments.

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