Engineering writeups and incident post-mortems for #memory.
Articles: 6In-depth engineering analysis: Linux kernel memory fragmentation: compact_memory and memory watermark tuning. 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: Rust zero-allocation ring buffer for high-throughput packet processing. Practical diagnostics, logs and production configuration.
In-depth engineering analysis: glibc malloc arena fragmentation: how 300 MB of payload bloated to 16 GB heap. Practical diagnostics, logs and production configuration.
In-depth engineering analysis: Redis BGSAVE fork latency: how Copy-on-Write doubled memory footprint and stalled clients. 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.
