AUTHOR DETAILS

  • Jonathan Smith

    Jonathan Smith11 Posts

    I’ve worked in the MultiValue industry for over 30 years, during that time I’ve covered many roles from developer to consultant. I joined Vmark / Ardent in the UK back in 1997 as a consultant, I moved into Technical Support around 2004. I took over the role of UniData ATS in 2012 and as I’m still UK-based my working day is time shifted in order to cover all the geos we cover around the world. Outside of work I’m married (silver wedding anniversary this year), have 3 grown up children and I’m a senior county football (soccer) referee and like many at Rocket I’m a bit of a musician as I play the drums.

UniData

Basic Variable Allocation Heaped vs Shared Memory UniData 8

What changed at UniData 8: Memory Allocation Prior to UniData 8.1.0, UniBasic variable space was allocated via shared memory from a system wide shared pool (some of these go back to the original design in the 1990s). Why? It was done to reduce total system wide memory consumption and to ensure that UniData had enough […]

Technology

New Replication Scripts for Microsoft Windows

Starting at 1.6.3 on Microsoft Windows the console program has been dropped and rewritten completely in Windows Power Shell U2 Replication is a very powerful, very configurable but very complex part of both UniData and UniVerse. Many customers have historically become very adept at deploying there U2 Applications into environments where the people responsible for […]

Technology UniData

Understanding UniData Hashed and Dynamic Files with RESIZE and memresize

UniData Hashed Files and Overflow In this first section we are going to discuss the two main types of UniData Hashed File (Static and Dynamic) and we’re going to discuss the two types of overflow that can occur in these files. The objective of file resizing is to minimize overflow as overflow is a performance […]

Technology

Rocket UniData and UniVerse Replication best practices: REPLOGGER

Part 3 of 3 This blog post offers best practices related to implementing and using Replication, as part of a High Availability/Disaster Recovery (HA/DR) strategy. In Part 3, I’ll focus on Replogger. REPLOGGER REPLOGGER is a BASIC program that runs on the server side that allows you to monitor replication performance. The information it collects […]

Technology

Rocket UniData and UniVerse Replication best practices: monitoring

Part 2 of 3 This blog post offers best practices related to implementing and using Replication, as part of a High Availability/Disaster Recovery (HA/DR) strategy. In Part 2, I’ll focus on monitoring. Monitoring As a best practice, everyone should use the Exception Action Script to keep Replication in sync even during unplanned network interruptions, heartbeat […]