High Performance Computing

Java Application Memory Usage and Analysis

The Java Virtual Machine (JVM) runs standalone applications and many key enterprise applications like monolithic application servers, API Gateways and microservices. Understanding an tuning an application begins with understanding the technology running it. Here is a quick overview of the JVM Memory management JVM Memory: Stack and Heap form the memory used by a Java Application The…More

API Performance Testing with Gatling

The Problem “Our API Gateway is falling over and we expect a 6-fold increase in our client base and a 10-fold increase in requests, our backend service is scaling and performing well. Please help us understand and fix the API Gateway” Tasks It was pretty clear we had to run a series of performance tests simulating…More

High Performance Computing Comes to the Enterprise – Oracle’s Exalogic

Oracle’s Exalogic…. is a hardware platform that outperforms competition with features like 40 Gb/sec Infiniband network link, 30 x86 compute nodes, 360 Xeon cores (2.93 GHz), 2.8 TB DRAM and 960 GB SSD in a full rack. Phew! Ref: Oracle’s Whitepaper on Exalogic You can “google” it … search for “Oracle Exalogic” and learn more about…More