March 31, 2016 Posted in Blogs

When we do datacenter virtualization or migration, we often need do P2V (Physical to Virtual) design. It involves estimation of the capacity on ESXi server since we neither want to over-commit the computing power of the virtual server, nor to keep redundant computing power.

VMware offers a free ESXi Capacity Planner but you can’t simply download it and put it work analyzing your server usage and end-user work pattern, since it’s usually a component from a larger paid program.

Here I would like to introduce a handy and lightweight VMware ESXi Capacity Planner that I have used in my previous data center virtualization and migration projects. It’s Excel-based...

February 29, 2016 Posted in Blogs

One of my clients is facing JD Edwards upgrade from v.8.0 to v.9.2. As we know, ERP system involves many departments of an organization, with many data entries and aggregations. An upgrade of an ERP system could take years long and the cost is significant, so to understand the ROI (Return on Investment) of the upgrade makes a lot of sense.

Oracle JD Edwards EnterpriseOne comes with multiple modules, including Financials, Inventory Management, Asset Management, Case Management, Project Management, Order Management, Human Capital Management, Mobile Solutions, etc.

IBM offers a neat JD Edwards Upgrade ROI Tool to calculate the return based on JDE version number, user amount and other factors. It’s Excel-based, easy to use and understand...

January 31, 2016 Posted in Blogs

Prerequisites: Oracle WebCenter Content, UCM, WebCenter Portal, RIDC

When we do large portal site development, we usually store enterprise content and images in content repository. Content repository offers library services, content check-in / out and versioning, etc., which allows content more manageable and traceable.

A common use case is to present images that store in content repository in portal page directly. Let’s see how we do this under Oracle WebCenter Content and Portal environment.

The idea is to build up a HashMap which holds key-value pairs docName-docURL. When portal page renders, it references to the specific docName key defined in the image tag and loads the image based on the value of docURL from content repository...