Cassandra 5.0 AWS CPU Requirements: Graviton4, ZGC, and Performance Optimization
What’s New in 2025
Key Updates and Changes
- Cassandra 5.0: Enhanced CPU utilization with improved compaction and streaming
- Graviton4 Processors: 40% better performance for database workloads
- ZGC Integration: Low-latency garbage collection for improved response times
- Instance Types: New I8g, R8g, C8g families optimized for Cassandra workloads
- Compaction Improvements: Better concurrent compactor defaults and tuning
Major Performance Enhancements
- Unified Compaction: Reduced CPU overhead in Cassandra 5.0
- Vector Search: CPU-intensive operations requiring additional cores
- Streaming Performance: Improved parallel processing for data migration
- Memory Management: Better allocation strategies reducing CPU pressure
- ARM Optimization: Native ARM64 support for Graviton processors
Cassandra 5.0 CPU Requirements in AWS Cloud
Cassandra 5.0 is highly concurrent and can utilize as many CPU cores as available when configured correctly. Understanding CPU requirements is crucial for optimal performance on AWS EC2 instances.