Today the Rocket MultiValue R&D team has made a new version of UniData available, version 8.2.3. This latest release is what we call a maintenance release since it’s a hotfix rollup release with some new features. Specifically, UniData 8.2.3 includes support for Python 3.9. Also, we introduced a new and improved upgrade and install script, […]
We’re excited to announce the release of Rocket ® UniData ® 8.2.2. This release offers many bug fixes and dozens of enhancements plus certification on RedHat Linux 8. UniData 8.2.2 also delivers Python on new operating systems (hint, AIX and Solaris), enhanced security, improved performance and monitoring, audit enhancements and extended EDA database support. This […]
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 […]
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 […]
Now that we have gone over some of the basics such as manipulating numpy arrays and pandas data frames in the first two parts of “Python Data Science and the Rocket MultiValue Database”, we will now create a simple object for managing the storage and retrieval of data to a Rocket MultiValue database. For our […]
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