Category Archives: sba
Moving away from Mainframe to Commodity – How?
Moving away from Mainframe to Commodity – How? Mainframe (Z/OS) based systems running COBOL programs are legacy systems in many organizations. These are planned to be replaced with low cost commodity servers running Java or .Net based systems, saving the … Continue reading
Realistic Elastic
When running system in production, the last thing you want to do is to shutdown the system. This could happen when: – You need to replace one of the machines running the system. – You need to upgrade one of … Continue reading
Possible Impossibility – The Race to Zero Latency
I recently read a book called: "Physics of the Impossible" by the theoretical physicist Michio Kaku. Dr. Kaku lists "Possible Impossibilities" and classifies these into different categories where all these "impossibilities" may happen in the near/distant future. When talking about "zero … Continue reading
Scale-out vs Scale-up
In my previous post Concurrency 101 I touched on some of the key terms that often comes up when dealing with multi-core concurrency. In this post I’ll cover the difference between multi-core concurrency that is often referred to as Scale-Up… Continue reading
Custom Matching-Two Dimensional Cartesian space Comparison using GigaSpaces
Usually you index and execute queries using primitive fields (long, float, string, etc). The fields may be within the root level of the space object, or embedded within nested objects within the space object. You may construct a query using … Continue reading
