DOC-313: Kinesis: add option for a rust based mock#731
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Deploying localstack-docs with
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jbeemster
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Jun 26, 2026
| Future versions of LocalStack will likely default to using the `scala` engine over the less-performant `node` version currently in use. | ||
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| #### Rust engine |
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Its hard to benchmark Scala vs Rust accurately as Scala does not adhere to API data plane limits like 1MiB/s ingress rates per shard but all of my tests show lower CPU + Memory usage and equivalent or better throughput once shards are scaled up high enough for the Rust side to really get going.
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