Having 12+ Years of Experience in Software Development
1. Proactive Performance Audits as a Recurring Service Many e-commerce businesses operate on legacy systems or have never conducted a comprehensive performance audit. This is a prime opportunity to offer a recurring service that goes beyond a one-off fix. Instead of waiting for a client’s site to slow down, proactively schedule quarterly or bi-annual deep […]
Understanding the Linux OOM Killer The Out-Of-Memory (OOM) Killer is a crucial component of the Linux kernel designed to prevent a system from crashing entirely when it runs out of available memory. When the kernel detects that memory pressure is too high and cannot reclaim enough memory through normal means (like swapping or freeing caches), […]
Automated MongoDB Failover with Replica Sets and C++ Application Health Checks Architecting for high availability and disaster recovery in distributed systems demands robust automation. For a typical MongoDB deployment underpinning a C++ application, this translates to ensuring seamless failover of the database layer and rapid detection/reconfiguration of the application layer when primary nodes become unavailable. […]
Proactive C Application Health Checks with Systemd Maintaining the stability of a C application, especially one serving critical functions, requires robust health monitoring. For applications managed by systemd, we can leverage its built-in capabilities for self-reporting and automated recovery. This involves defining a systemd service unit that includes a health check mechanism. Consider a C […]
Understanding the Linux OOM Killer The Out-Of-Memory (OOM) Killer is a crucial component of the Linux kernel designed to prevent a system from crashing entirely when it runs out of available memory. When the kernel detects that memory is critically low and cannot satisfy new memory allocation requests, it invokes the OOM Killer. This process […]
OVHcloud Instance Selection for Perl Workloads When architecting a high-availability, cost-optimized Perl stack on OVHcloud, the initial instance selection is paramount. OVHcloud offers a spectrum of instance types, from the bare-metal “Public Cloud” instances to dedicated servers. For a Perl application requiring consistent performance and predictable costs, Public Cloud instances, particularly the “General Purpose” (GP) […]
Understanding Blue-Green Deployments for WooCommerce Blue-Green deployment is a strategy to minimize downtime and risk by running two identical production environments, referred to as “Blue” and “Green.” At any given time, only one environment is live, serving production traffic. The other environment is idle, used for deployment and testing. Once the new version is deployed […]
Leveraging WordPress Caching for High-Traffic E-commerce: Beyond Basic Page Caching In the hyper-competitive e-commerce landscape, sub-second load times are not a luxury; they are a fundamental requirement for conversion. While many understand the basic concept of page caching, truly optimizing WordPress for high-traffic scenarios demands a multi-layered approach that extends far beyond simply storing static […]
Securing Ruby Applications for PCI-DSS: Input Validation and Output Encoding Achieving PCI-DSS compliance necessitates a rigorous approach to application security, particularly concerning how sensitive data is handled. For Ruby applications, this translates to robust input validation and output encoding to prevent common vulnerabilities like Cross-Site Scripting (XSS) and SQL Injection. These are not merely best […]
OVH Infrastructure Hardening for Shopify Backends Securing a Shopify backend hosted on OVH infrastructure requires a multi-layered approach, focusing on network segmentation, access control, and continuous monitoring. This checklist assumes a typical setup involving dedicated servers or VPS instances running web servers (e.g., Nginx), database servers (e.g., MySQL), and potentially caching layers. Network Security & […]