latency updateObservedPublished: 13h ago

Home Made CobbleDB Replaces DynamoDB at Perplexity to Cut Query Latency 5x and Reduce Cloud Storage

Perplexity has migrated its search infrastructure from Amazon DynamoDB to CobbleDB, an internally developed key-value store in Rust. This change reduced latency and costs associated with handling large document batches. The new architecture supports high query volumes more efficiently, achieving improved latency and reduced storage expenses while managing significant production traffic. By Olimpiu Pop

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Latency changes affect UX and cost envelopes. Revalidate timeout budgets and route-level fallbacks.

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Home Made CobbleDB Replaces DynamoDB at Perplexity to Cut Query Latency 5x and Reduce Cloud Storage

Why it matters: Latency changes affect UX and cost envelopes. Revalidate timeout budgets and route-level fallbacks.

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