Archives

2026

28 Aug Zero-Copy, DMA, and High-Performance Buffers
28 Aug Virtual Memory and Process Address Spaces
28 Aug The Page Cache and Durability
28 Aug Stack and Heap Layout
28 Aug Page Tables and Address Translation
28 Aug Page Faults, Swapping, and Working Sets
28 Aug mmap and File Mapping
28 Aug Memory Safety and Leaks
28 Aug Memory Allocators
28 Aug Filesystem Paths, Inodes, and the VFS
28 Aug Filesystem Locks and Crash Consistency
28 Aug File Permissions, ACLs, and Capabilities
28 Aug File Descriptors and Open File Objects
28 Aug Disks, SSDs, NVMe, and RAID
28 Aug Buffered, Direct, Blocking, and Non-Blocking File I/O
26 Aug Threads, Processes, Async I/O, and Event Loops
26 Aug Threads and Shared Execution State
26 Aug The Compilation Pipeline
26 Aug Systems Engineering — From Hardware to Production
26 Aug Scheduling, Affinity, and NUMA Effects
26 Aug Queues, Pipelines, Backpressure, and Cancellation
26 Aug Process Isolation and Lifecycle
26 Aug Object Files, Sections, and Symbols
26 Aug Memory Ordering and Atomic Hardware
26 Aug Linking: Static Libraries and Shared Libraries
26 Aug Executable Formats and Program Startup
26 Aug Assembly, Calling Conventions, and Stack Frames
25 Aug Interrupts, Traps, Exceptions, and Device I/O
25 Aug CPU Privilege Levels and Protection
24 Aug Linux Resource Limits and the OOM Killer
24 Aug How a CPU Executes Instructions
24 Aug CPU Performance and Hardware Counters
24 Aug CPU Caches and Memory Locality
23 Aug Linux Signals and Service Supervision
23 Aug Linux Processes and Lifecycle
23 Aug Linux Filesystem and System Interfaces
23 Aug Linux Clocks, Hostnames, and Environment
23 Aug CPU Scheduling and Context Switching
22 Aug What the Operating System Provides
22 Aug System Calls: How Programs Request Kernel Services
21 Aug Rust, Zig, Go, and C Tradeoffs
21 Aug Portability, Compatibility, and Abstraction Leaks
21 Aug Performance Constraints in Systems
21 Aug Failure, Determinism, and Control
21 Aug C as a Systems Programming Language
13 Aug Resource Ownership and Limits
12 Aug CPU, Memory, Storage, and Network Resources
11 Aug What Systems Programming Means
03 Aug How to Model Software Systems: From Vague Ideas to Working Programs
21 Jul TCP for Backend Engineers: From Zero to Practical Mastery
05 Jul Database Migrations at Scale: Zero-Downtime Schema Changes and What Companies Actually Do
04 Jul Caching in Production: Strategies, Pitfalls, and What Companies Actually Do
06 May Building an LSM-Tree Storage Engine in Go, Part 3: The SSTable
06 May Building an LSM-Tree Storage Engine in Go, Part 2: The Memtable
04 May Implementing a Write-Ahead Log in Go
02 May Building a Production Job Queue in Go: Concurrency, Tradeoffs, and Getting It Right
25 Mar Write-Ahead Logging: How PostgreSQL Survives Crashes, Powers Replication, and Never Loses Your Data
14 Mar Concurrency Control in Databases: How to Handle Many Things Happening at Once
12 Mar Data Partitioning in Distributed Databases: How to Split Your Data Without Breaking Everything
10 Mar Implementing a B+ Tree in Go: What Databases Actually Use

2025