System Scalability Design
Using Salting to Lower Latency for Large Blobs in ScyllaDB

Using Salting to Lower Latency for Large Blobs in ScyllaDB

6/2/2026 · Cynthia Dunlop

What this post added

Introduces a modified salting technique for handling large blobs in ScyllaDB, demonstrating a 22x reduction in P99 write latency for 60MB blobs compared to default behavior. The technique involves splitting blobs into smaller chunks for parallel processing to mitigate memory saturation and head-of-line blocking issues.

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