Vinay Vengala

Upgrading legacy CodeIgniter 3 application directory structures to CodeIgniter 4 PSR-4 autoloading on Debian 12

Prerequisites and Environment Setup This guide assumes a Debian 12 (Bookworm) server with a functional LAMP or LEMP stack. Specifically, you’ll need PHP 8.1 or later, Composer installed globally, and root or sudo privileges. We’ll be working within a hypothetical application directory, /var/www/legacy_app. Ensure your existing CodeIgniter 3 application is functional before proceeding with the […]

Installing and Tuning PHP 8.3 OPCache and JIT compiler on Ubuntu 24.04 LTS for CodeIgniter 4 Microservices

Prerequisites and System Setup This guide assumes a fresh Ubuntu 24.04 LTS (Noble Numbat) server instance. We will be installing PHP 8.3 from a reputable PPA to ensure the latest stable version. For CodeIgniter 4 microservices, efficient opcode caching and a Just-In-Time (JIT) compiler are crucial for minimizing latency and maximizing throughput. We’ll focus on […]

Setting up PostgreSQL master-slave replication on openSUSE Leap 15.5 for high-volume Laravel applications

Prerequisites and Initial Setup This guide assumes you have two openSUSE Leap 15.5 servers provisioned and accessible via SSH. One will serve as the PostgreSQL master, and the other as the slave. Both servers require a static IP address. For this setup, we’ll use 192.168.1.100 for the master and 192.168.1.101 for the slave. Ensure that […]

Troubleshooting database connection leaks in long-running Laravel queue daemon processes on RHEL 9

Identifying the Symptoms: The Subtle Signs of Leaking Connections Long-running processes, particularly those responsible for consuming Laravel queues, are prime candidates for database connection leaks. The symptoms often manifest subtly at first: gradual performance degradation, increased database server load, and eventually, outright connection exhaustion errors. You might observe a steady, upward trend in the number […]

Tuning Laravel Horizon and Redis Queues on Debian 12 Bookworm to Process 1 Million jobs daily

Optimizing Redis for High-Throughput Queuing Achieving a daily throughput of one million jobs in Laravel Horizon necessitates a robust and finely-tuned Redis instance. On Debian 12 Bookworm, we’ll focus on kernel-level tuning, Redis configuration, and strategic deployment. The default Redis configuration is often insufficient for production workloads of this scale. Kernel Tuning for Network and […]

Upgrading Laravel 10 to Laravel 11: Production Server Environment Upgrades (PHP 8.3/Remi/Nginx) on Rocky Linux 9

Prerequisites and Environment Assessment Before embarking on the Laravel 10 to Laravel 11 upgrade on a production Rocky Linux 9 server, a thorough assessment of the existing environment is paramount. This includes verifying PHP version compatibility, ensuring necessary extensions are available, and understanding the current Nginx and database configurations. Laravel 11 officially requires PHP 8.2 […]

Installing and Configuring Laravel Octane with Swoole on Ubuntu 24.04 LTS for High-Throughput B2B APIs

Prerequisites and System Preparation Before embarking on the installation of Laravel Octane with Swoole, ensure your Ubuntu 24.04 LTS server is up-to-date and properly configured for a production PHP environment. This includes having a robust PHP installation with essential extensions, a web server (Nginx is recommended for its performance characteristics with Octane), and Composer. We’ll […]

Setting up redis-sentinel cluster nodes on openSUSE Leap 15.5 for Magento 2 High Availability session caches

Prerequisites and System Preparation This guide assumes a foundational understanding of Redis, Sentinel, and Linux system administration. We will be setting up a Redis Sentinel cluster on openSUSE Leap 15.5. Ensure you have at least three nodes available for the Sentinel cluster to achieve quorum and fault tolerance. For this demonstration, we’ll use three nodes, […]

Troubleshooting Magento 2 Cron Jobs deadlocks on RHEL 9: Multi-process queue worker concurrency configurations

Diagnosing Magento 2 Cron Job Deadlocks on RHEL 9 Magento 2 Enterprise deployments, particularly those leveraging the multi-process queue worker architecture, can encounter insidious deadlocks within cron job execution. These deadlocks often manifest as stalled cron processes, unprocessable queue messages, and a general degradation of system performance. This document details a systematic approach to diagnosing […]

Tuning Magento 2 Varnish 7 Cache and SSL Termination behind Nginx on Rocky Linux 9 for Sub-100ms P99 responses

Varnish 7 Configuration for Magento 2 Enterprise Achieving sub-100ms P99 response times for a high-traffic Magento 2 Enterprise deployment hinges on a meticulously tuned Varnish cache layer. This section details critical Varnish 7 configuration parameters and VCL snippets essential for optimizing Magento 2 performance, specifically when terminating SSL at Nginx and serving content from Varnish. […]

Vinay Vengala

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