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Redpanda vs Apache Kafka: C++ Thread-per-Core Architecture vs JVM Zero-Copy PageCache

Redpanda vs Apache Kafka: C++ Thread-per-Core Architecture vs JVM Zero-Copy PageCache Executive Summary & Decision Matrix Metric Redpanda 24.x Apache Kafka 3.8 (KRaft) Delta p99 produce latency, 1KB…

6h ago ·dev.to

When a node loses its lease anyway: a takeover, second by second

I am building a cloud trade copier for MetaTrader. Each follower account has one broker session on one node, and that node copies the master's trades onto it.

• Node continues trading but cannot prove ownership after lease loss
• Failed renewal cycle at t=20 triggers error and order sending until t=45
• Claiming node takes ownership at t=60, original node logs loss

6h ago ·dev.to

Join the Presage SmartSpectra SDK Challenge: $3,000 in Prizes Across 10 Winners!

We're excited to announce our newest challenge with Presage ! The Presage SmartSpectra SDK Challenge runs November 4 to November 22 .

• Presage SmartSpectra SDK Challenge offers $3,000 in prizes across 10 winners
• Developers create apps using real-time human signal data from camera
• Submission deadline is November 22nd at 11:59 PM PST

6h ago ·dev.to