Rust-based rekuiper uses 5–10 MB memory vs rivals' 1 GB in edge stream processing

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I-Dacs Labs Engineering rebuilt LF Edge eKuiper as 'rekuiper' in Rust and benchmarked it against eKuiper, Telegraf, and Redpanda Connect across five real-world MQTT workloads on a single-core, 1 GB memory setup. The key finding was not peak throughput but memory efficiency: rekuiper held between 5 and 10 MB on windowed workloads, while Go-based engines consumed up to a full gigabyte or failed entirely. rekuiper matched eKuiper's REST API, SQL dialect, and CLI surface so existing rules and tooling require no changes. The engine uses bounded queues and a reserve-then-commit admission model to prevent data loss and backpressure buildup under bursty traffic typical of industrial edge deployments. Benchmarking also uncovered a correctness bug in rekuiper itself that a throughput-only test would have missed, highlighting the importance of message-by-message output verification.

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DeepSeek V4.1-Flash cuts KV cache 4x despite doubling model size, targeting AI agents

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ProgrammingDEV Community ·

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ProgrammingDEV Community ·

AWS NAT Gateway Can Cost More Than Your Entire EC2 Bill — Here's the Fix

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ProgrammingDEV Community ·

AI Avatar v20 Adds Voxel Garden, Cursor Pop-ups, and AI Tool Notifications

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