Category: Cloud

.NET, AWS, C#, CSharp, Programming

AWS DynamoDB – 3 ways to query and read results in .NET

In my very first post, I showed how to use DynamoDB in .NET to receive single result (post). Looking into the evolution of API and layers of abstraction, we have much more options to query AWS DynamoDB. Therefore we have 3 ways to query and read results which I will demonstrate in this post. The …

AWS, Certificate, Cloud

AWS Solutions Architect Associate exam preparation

As I started work with AWS and I will spend with it some more time, I decided to take the exam AWS Solutions Architect Associate. A prerequisite for this exam is 1 year of experience with AWS. Full list of requirements can be found here. An exam itself is composed of 65 questions with single …

Azure, Certificate, Cloud

Azure Exams – AZ-303/AZ-304

After successufully passing AZ-204 few months ago, I’ve decided to try AZ-400. I started from Microsoft’s e-learnings which are pretty nice. However when I started with Whizlabs’es exams – I said “no way”. It’s too ops comparing to my job. Therefore, looking around about other valuable exams, I picked AZ-303/AZ-304 as the way to get …

AlibabaCloud, AWS, Azure, Cloud, GCP, OracleCloud

Budgets and payments in clouds

How to set up payments and budgets in cloud provider is today’s topic. Usually providers offers two payment models: consumption based – monthly invoice for consumed resources reserved instances – paying upfront for reserved resources (capacity) Also interesting part is setting up spending limits. Alibaba Alibaba has very simple budget interface. In fact it allows …

AWS, Azure, Cloud, GCP

Cloud comparison – intro

Under the series of articles I’m going to discuss the differences between main cloud compatitors: Alibaba AWS Azure Google (GCP) IBM Cloud Oracle This list is based on Gartner’s magic quadrant (2019) and the order is alphabetical. Looking into Gartner’s data, the leader is AWS and just few steps behind is Azure. Next is GCP. …

Azure, Cloud, Software engineering

Changes to Microsoft Certs

Microsoft just announced changes to their exam including: AZ-103, AZ-203, AZ-300, AZ-301, AI-100. New versions (AZ-104, AZ-204, AZ-303, AZ-304, AI-101) will be rolled out in March 2020. Old exams will be available for 90 days after new ones will become available. Also some other updates are expected (to other exams) but they were not announced …

AWS, Cloud

AWS Glacier – why to avoid

I’m using Glacier for long term backups. I was pretty happy with upload process (setup, performance) until I provisioned a vault for a long term backup (1.5~2 years) and right now I was willing to get rid of it. Unfortunately you cannot just drop it when it is not empty. You have to remove all …

Azure, Certificate, Cloud

Learning to Azure AZ-203 exam

Here is a bunch of links which I’m using in learning to AZ-203 (and AZ-204) exam: Exam homepage Learning path related to materials from Microsoft (long read) 50 minutes intro (overview) on Azure Whizlabs on the preparations Youtube videos with basic knowledge by Adam Marczak Azure for architectes by Ritesh Modi (Packt, Oct 2017) – …

Cloud, GCP

Spanner – GCP custom SQL solution

Google Cloud Platform (GCP) offers 3 SQL engines as a service: MySQL 5.6/5.7, PostgreSQL 9.6 and Spanner. MySQL and PostgreSQL are quite well known across the world. Spanner is completely new player – Google’s own product dedicated to handle thousands of requests. When we setup the database, it is required to specify number of nodes …