03. 12. 2019.

Oracle RAC in the AWS Cloud – performance testing part I

Last time, all components (network, storage, Grid infrastructure…) are prepared for Oracle database RAC installation with a minimal time and effort thanks to Flashgrid’s wizard which, behind the scene, is using Cloud Formation template to setup everything, including installation of all necessary patches available at the time of installation.   You can find more on […]

23. 11. 2019.

Flashgrid Skycluster – Oracle RAC in the Cloud – review

Recently I’ve completed review of the FlashGrid Skycluster, an Oracle RAC deployed (in this particular test) on AWS Public Cloud IaaS, although Azure and GCP are also supported.   Flashgrid specializes for Oracle RAC, either on-premises or in the Cloud, where all three major Cloud providers are supported. When you ask yourself what is so […]

21. 10. 2019.

Performing stress test against Oracle database that is running in a Cloud

Today majority of enterprises are moving or at least considering moving some load into the Cloud. What you need to be aware in such case, system requirements for a Cloud load are quite different when comparing with on-premises, mainly due to many new moving parts that are not present within classical environment such as sharing […]

07. 10. 2019.

Installing Oracle database on Amazon AWS

Although you can use AWS RDS service which offers PaaS architectural model of running Oracle database on top of AWS Cloud, due to many limitations (installation type, options selected etc.), many enterprises still prefer using IaaS model, where such restrictions does not exist (e.g. you can install Enterprise Edition of Oracle database, RAC, Data Guard […]

23. 09. 2019.

Running Cloud within your Data Center on-premises

Of the 350 companies surveyed, 74% had moved an application into the public cloud, and then for a variety of reasons and circumstances, decided to move it back into their on-premises or private cloud infrastructure.   More you can find on the following link: https://www.fortinet.com/blog/industry-trends/ihs-markit-fortinet-cloud-report-insights.html?utm_source=social&utm_medium=twitter-org&utm_campaign=sprinklr&utm_term=Corporate%2CThought+Leadership   The first interesting finding is the growing sense that […]

11. 09. 2019.

Who else could read your private & sensitive data stored in Cloud?

ZDNet has recently published an interesting article related to Public Cloud and GDPR related data jurisdiction – US Cloud act. Article is about digital sovereignty as more than half of European business with over 1,000 employees are using a public cloud platform, mostly AWS & Azure that dominate the Cloud market, IBM that dominates hybrid-cloud […]

14. 08. 2019.

Cloud – shared responsibility model, SaaS & Cloud security best practice

As industry is moving fast toward Cloud adoption, although not new (Amazon AWS platform was launched in July 2002), it’s no surprise that Cloud is still one of the hottest technologies around. Started with Simple Queue Service (first AWS service launched in November 2004), Cloud today is far away from the simple file sharing service. […]

28. 07. 2019.

How to quickly perform REST API performance test

REST API interface is dominant way of machine-to machine communication because of its flexibility, performance, simplicity and lightweight.   Recently I had to perform a quick performance test to check if response time of one application is in line with SLA (Service Level Agreement). Such performance tests are particularly important in case of SaaS architecture […]

24. 07. 2019.

SaaS related GDPR, security and architectural issues

In the age of Cloud computing one of the most important challenges is how to keep security while moving your enterprise apps in the Cloud. In this article I’m going to explain what challenges you might experience if you are blindly follow all hypes from the tech industry. Today enterprises are under tremendous pressure to […]

17. 07. 2019.

Implement High Performance Computing tools to test cluster stability

There are many benchmark testing tools that are focusing on various fields of a cluster like computing capabilities, energy efficiency, data & storage, memory etc. In this article I’m going to use Somberero – High Performance Computing tool suitable to run a test against your home PC or cluster of supercomputers. Sombrero is particularly useful […]