performance-tuning Archives

Mastering Strace on Linux: System Call Tracing to Debug Hanging Processes and Missing Files

October 17, 2026

Learn how to use strace to troubleshoot unresponsive Linux processes, track down missing configuration files, and pinpoint latency bottlenecks. This guide covers practical syscall tracing techniques, output filtering, and production debugging strategies.

Database

SQLite Performance Optimization: Production Guide to WAL Mode, PRAGMA Tuning, and Concurrency

October 16, 2026

Learn how to optimize SQLite for real-world production workloads by enabling WAL mode, fine-tuning memory PRAGMA settings, and eliminating concurrent database lock errors.

Programming

Optimizing Go Performance with sync.Pool and Zero-Allocation Techniques

October 12, 2026

Learn how to diagnose garbage collection latency in high-throughput Go services and eliminate allocations. This guide covers sync.Pool memory recycling, escape analysis, and practical benchmarks to stabilize p99 response times.

Database

PostgreSQL Performance: Speed Up Queries with Covering Indexes

September 10, 2026

Boost PostgreSQL performance by eliminating heap access. Learn how to use Covering Indexes, the INCLUDE clause, and the Visibility Map to reduce I/O.

Database

Scaling Beyond Locks: A Practical Guide to MVCC in PostgreSQL and MySQL

September 8, 2026

MVCC is why your database doesn't crawl to a halt during high traffic. Learn the differences between PostgreSQL and MySQL's approach and how to avoid common concurrency traps.

Programming

Mojo: Solving the Python Performance Gap without C++ Complexity

September 7, 2026

Tired of rewriting Python code in C++ for speed? Mojo offers a solution. Learn how to use its strict typing, SIMD support, and MLIR integration to achieve C++ performance with Python syntax.

Networking

Linux Networking at Scale: Mastering IRQ Affinity, RSS, and RPS

September 6, 2026

Is your Linux server dropping packets despite low CPU usage? Learn how to fix the 'Single Core Trap' by tuning IRQ Affinity, RSS, and RPS for high-performance networking.

Networking

Fixing Linux Network Lag: A Guide to TCP Retransmission

September 6, 2026

Is your Linux server feeling sluggish despite low CPU usage? Learn how to use ss, nstat, and TShark to diagnose TCP retransmissions and fix the network bottlenecks killing your performance.

Programming

Mastering Golang Memory Profiling: A Practical Guide with pprof

September 3, 2026

Master Golang memory profiling using pprof to identify leaks and optimize performance. Learn how to use heap profiles, flame graphs, and practical coding patterns to keep your Go applications lean.

Linux

Troubleshooting Linux at Runtime: A Practical Guide to BCC and eBPF

August 25, 2026

Stop guessing why your Linux server is slow. Learn how to use BCC and eBPF tools like execsnoop, biolatency, and tcptop to diagnose I/O, network, and process issues in real-time.