#kernel

In-depth engineering analysis: Debugging CPU throttling in CFS scheduler with kernel tracepoints. Practical diagnostics, logs and production configuration.

In-depth engineering analysis: Zero-downtime kernel live patching with kpatch in enterprise Linux environments. Practical diagnostics, logs and production configuration.

In-depth engineering analysis: Linux kernel memory fragmentation: compact_memory and memory watermark tuning. Practical diagnostics, logs and production configuration.

In-depth engineering analysis: TCP BBR v3 implementation details: packet pacing, inflight estimation and fair competition with CUBIC. Practical diagnostics, logs and production configuration.

In-depth engineering analysis: Rust vs C for Linux kernel modules: memory safety guarantees and FFI boundary overhead. Practical diagnostics, logs and production configuration.

In-depth engineering analysis: Linux TCP window scaling and socket buffer auto-tuning. Practical diagnostics, logs and production configuration.

In-depth engineering analysis: Linux network namespace veth pair latency overhead analysis. Practical diagnostics, logs and production configuration.

In-depth engineering analysis: Profiling Linux kernel lock contention with perf lock and FlameGraphs. Practical diagnostics, logs and production configuration.

In-depth engineering analysis: PostgreSQL performance cliff caused by Transparent Huge Pages (THP). Practical diagnostics, logs and production configuration.

In-depth engineering analysis: Tuning Linux io_uring for async NVMe database storage engine: eliminating syscall overhead. Practical diagnostics, logs and production configuration.

In-depth engineering analysis: Linux sysctl tuning for 100k concurrent WebSocket connections on a single node. Practical diagnostics, logs and production configuration.

In-depth engineering analysis: Silent network packet drops: NIC RX ring buffer exhaustion under traffic microbursts. Practical diagnostics, logs and production configuration.

In-depth engineering analysis: OOM killer priority tuning: how a bad oom_score_adj killed a critical monitoring daemon. Practical diagnostics, logs and production configuration.