25. 11. 2023.

Myths and shortcomings of serverless computing

In this article, we’ll demystify one of the main sales tactics used by Cloud providers: serverless & autoscaling features. This article is a continuation of the previous one: “The main disadvantages of Cloud computing that you will notice when it’s already too late”. https://www.josip-pojatina.com/en/the-main-disadvantages-of-cloud-computing-that-you-will-notice-when-its-already-too-late/ where other (pre)sales tricks used by Cloud providers to acquire new […]

02. 11. 2023.

The main disadvantages of cloud computing that you will notice when it’s already too late

I started using cloud computing nearly 14 years ago, at the very beginning of cloud computing. After the initial enthusiasm, I quickly noticed the drawbacks of the Cloud, and it puzzled me why no one was writing about it. Although I have already wrote about the downsides of cloud computing in one of my previous […]

19. 11. 2022.

ISAQB Software Architecture Gathering post conference impressions

From November 14 – 17 2022 I attended the Software Architecture Gathering for the first time. Here are my post conference impressions. Unlike majority of IT conferences which serves more or less as a marketing field to propagate interests of big software and Cloud companies behind the conference, this one is an exception, although even […]

26. 01. 2022.

StreamSets review – creating real time data pipelines in no time

In this post I’ll try to review StreamSets Data Collector, one of the most popular tools for creating smart data pipelines for streaming, batch and change data capture, which allows you to move data around in a near real time.   First I’d like to point out that the whole review is my own personal […]

23. 12. 2021.

YugabyteDb – distributed SQL database for a new age

Recently I’ve got a chance to try YugabyteDb, one of the new age databases which try to tackle with new requirements such as scalability, resilience, high availability, Cloud/Hybrid readiness and new architecture styles based on microservices. Although Yugabyte is relatively young company, it attracts a lot of attention, not only from architects/developers/admins, but also from […]

16. 12. 2019.

Oracle RAC in the AWS Cloud – performance testing part III

This is the last part of the series called “Oracle RAC in the AWS Cloud”. In my previous article I’ve promised to put a Oracle RAC cluster under the crazy load. It was time to fulfill my promise. My previous articles you can find on the following two links: https://www.josip-pojatina.com/en/oracle-rac-in-the-aws-cloud-performance-testing-part-i/ & https://www.josip-pojatina.com/en/oracle-rac-in-the-aws-cloud-performance-testing-part-ii/ Let’s go straight […]

09. 12. 2019.

Oracle RAC in the AWS Cloud – performance testing part II

In the 2nd part of the Oracle RAC in the AWS Cloud series I’ll present test results of Oracle 2 nodes RAC databases running on AWS public cloud based on Flashgrid’s Skycluster deployment. You can take a look at my previous article that are related to how to deploy & setup environment for Oracle RAC […]

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 […]