Linux 7.0
3 mentions across all digests
Kernel version that introduced scheduler preemption changes degrading PostgreSQL performance on high-concurrency workloads.
Linux 7.0 Broke PostgreSQL: The Preemption Regression Explained
A 50% PostgreSQL performance cliff on Linux 7.0: AWS engineer traces the regression to the kernel's removal of PREEMPT_NONE and its clash with spinlock-based buffer management.
Asahi Linux Progress Linux 7.0
Asahi Linux automated its long-unmaintained installer with GitHub Actions CI/CD, adding Linux 7.0 support and power management improvements for Apple Silicon Macs.
AWS Engineer Reports PostgreSQL Performance Halved By Linux 7.0, But A Fix May Not Be Easy
Linux 7.0 scheduler changes halve PostgreSQL throughput on AWS; kernel maintainers want PostgreSQL to adopt RSEQ support instead of reverting the breaking change.