Roy Caldwell began his career as a Database Consultant at Oracle, advising Fortune 500 clients on Oracle RAC and Data Guard, and leading performance‑tuning and disaster‑recovery initiatives that halved recovery time objectives. He later joined Google Cloud as a Senior Database Engineer, where he architected Cloud Spanner, Cloud SQL, and Bigtable solutions—reducing query latency by 45% and boosting throughput by 60% with automated failover pipelines. As Lead Database Architect at Vinchin, he now designs scalable, high‑availability infrastructures with proactive monitoring to sustain 99.99% uptime and enable zero‑downtime feature releases.
I love playing basketball and trying new taco recipes. I enjoy board games with friends, biking on nearby trails, and hiking in the woods. I also kayak on the lake, take photos of the stars, tinker with small robots, and hunt for the best cup of coffee.
Kubernetes brings flexibility to IT operations. Running it on VMware lets you use familiar tools and gain strong security. This guide explains two ways to deploy Kubernetes clusters on VMware and how to protect your workloads.
Nov 19 2025
Migrating physical machines to Hyper-V with Disk2VHD can cause boot failures due to system mismatches or missing partitions. This guide shows clear steps to diagnose and fix these problems so your virtual machine boots successfully.
Nov 11 2025
Amazon EKS clusters run critical workloads that need strong protection. This guide shows you why backups matter and gives step-by-step instructions for three proven ways to secure your EKS data.
Nov 05 2025
Kubernetes runs critical workloads but is not immune to failure. This guide covers key disaster recovery strategies so you can protect data and restore clusters fast. Read on to learn practical steps for resilient operations.
Nov 05 2025
The hadoop platform helps organizations process large data sets with ease. This article explains its core features and guides you through deploying it on both virtual machines and cloud services.
Nov 05 2025
Cloud backup costs can surprise many businesses. This guide explains the main factors that impact your monthly bill per terabyte. Learn how to estimate, compare, and lower your cloud backup expenses with clear steps and practical advice.
Sep 27 2025
Oracle databases face many risks from cyber attacks and insider misuse. This guide explains how a database firewall works, its main features, and step-by-step setup so you can protect your data with confidence.
Sep 25 2025
Synthetic full backups merge initial full and incremental backups in storage. Learn how this method saves time, reduces network load, and improves restore speed for growing data needs.
Sep 25 2025
VMware ESXi 6.7 powers many data centers but needs regular updates for security and stability. This guide shows three clear methods to update your hosts safely and efficiently.
Sep 24 2025
Cloud backup ransomware targets stored data in the cloud. This guide shows how attackers strike and gives you step-by-step ways to secure your backups so you can recover fast after an attack.
Sep 16 2025
S3 object versioning helps protect cloud files from loss or mistakes. This guide explains its benefits and shows three ways to enable it. Learn how to manage versions and keep your data safe.
Sep 15 2025
Running ESXi from a USB drive can save money and add flexibility for IT admins. This guide explains what it means, why it helps, and shows step-by-step methods for setup and recovery. Read on to learn how to keep your VMs safe.
Sep 12 2025
