Perplexity's CobbleDB Cuts Search Storage Latency by 82% Over DynamoDB

This story is from 2026-09-15. It is preserved in the archive; the latest stories are on the live feed.

Perplexity rebuilt its search hot store from scratch, cutting batch-read latency 5x and slashing costs 20% versus DynamoDB.

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2026-09-15 20:16 · AlphaSignal
Perplexity's CobbleDB Cuts Search Storage Latency by 82% Over DynamoDB

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