Articles about storage, backup, virtualization, technology, innovation, programming, leadership, management,... etc
Articles about storage, backup, virtualization, technology, innovation, programming, leadership, management,... etc
Configuring high availability (HA) for critical servers keeps downtime to a minimum when hardware or software fails. The approach depends on your application requirements, server types, and the technologies you’re running. Here’s how to think through it. 1. Assess Criticality and Requirements Identify which servers and applications need high availability — database servers, web servers, […]
Implementing georedundancy for IT infrastructure means designing systems and processes that keep your applications, data, and services available and secure even when a disaster or outage takes down an entire geographic location. Here’s a practical guide: 1. Understand Your Requirements RPO (Recovery Point Objective): How much data loss is acceptable? This drives replication frequency. RTO […]
Handling node failures in Kubernetes clusters is essential for high availability. Here are practices and steps to manage node failures: 1. Understand Kubernetes Node Failure Behavior Kubernetes tolerates node failures by redistributing workloads across healthy nodes. When a node fails: – Pods on the failed node enter “Terminating” or “Unknown” state. – The control plane […]
1. Hardware Requirements Compute Nodes CPU: Choose servers with strong multi-core CPUs (e.g., AMD EPYC or Intel Xeon). Cassandra is CPU-intensive for queries and writes. Memory: Allocate sufficient RAM. Cassandra benefits from large amounts of memory for caching, but it doesn’t store data in memory. A good starting point is 32 GB to 64 GB […]
Configuring IT infrastructure for a real-time inventory system means solving for three things: data accuracy at scale, sub-second latency, and uptime that doesn’t blink during a warehouse shift. Here’s how to build it. 1. Define the Requirements First Data flow: Map every input — IoT sensors, barcode scanners, RFID gates, manual entry — to the […]
