Using Redis supported by NVRAM in HPC applications

Nowadays, the efficiency of a storage systems is a bottleneck in many moern HPC clusters. High performance in traditional approach – processing using files – is often difficult to obtain because of model complexity and its read/write patterns. Alternative approach is applying a key-value database, which usually has low latency and scales well. On the other hand, many key-value stores suffer from limitation of memory capacity and vulnerability to serious faiures, which is caused by processing in RAM. Moreover, some research suggests, that scientific data models are not applicable to storage structures of key-value databases. In this paper, the author proposes resolving mentioned issues by replacing RAM with NVRAM. Practical example is based on Redis NoSQL. The article contains also a three domain specific APIs, that show the idea bhind transformation from HPC data model to Redis structures, as well as two micro-benchmarks results

An overview of existing frameworks for integrating fragmented information systems

A research article was submitted by International Journal of Information Sciences and Techniques (IJIST) Vol.6, November 2016Literatures show that there are several structured integration frameworks which emerged with the aim of facilitating application integration. But weakness and strength of these frameworks are not known. This paper aimed at reviewing these frameworks with the focus on identifying their weakness and strength. To accomplish this, recommended comparison factors were identified and used to compare these frameworks. Findings shows that most of these structure frameworks are custom based on their motives. They focus on integrating applications from different sectors within an organization for the purpose of eliminating communication inefficiencies. There is no framework which guides application’s integrators on goals of integrations, outcomes of integration, outputs of integration and skills which will be required for types of applications expected to be integrated. The study recommended further study on integration-framework especial on designing unstructured framework which will support and guide application’s integrators with consideration on consumer’s surrounding environmen