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118 million queries per second on Neki

Blog post from PlanetScale

Post Details
Company
Date Published
Author
-
Word Count
350
Company Posts That Month
4
Language
English
Hacker News Points
101
Post removed?
No
Summary

Neki, released in platform preview, was benchmarked at 118.5 million queries per second across 512 PostgreSQL-backed shards containing 1.22 PiB of data, substantially exceeding an initial goal of 1 million QPS. The test used isolated, single-shard primary-key point reads that fetched one row per query, without writes, joins, cross-shard queries, replicas, or failover testing. Results showed near-linear scaling from five shards at roughly 1 million QPS to 50 shards at 9.9 million and 512 shards at 118.5 million, with each shard reaching about 231,000 QPS. During a 16-minute sustained run, the system recorded p99 latency of 6.06 milliseconds at routers and 13.95 milliseconds at clients, approximately 67 errors per second, 15.8 million read IOPS, and more than 2 Tbps of network traffic.

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