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Tweaking RDS database performance and ElastiCache
Tweaking database performanceAn RDS database, or a SQL database in general, can only be scaled vertically. To scale a database vertically means to increase the resources of your database but you still have a single database. If the performance of your d...
Introducing AWS Lambda
You don’t need a virtual machine to run your own source code any more as AWS Lambda offers execution environments for Java, JavaScript (Node.js), C#, Go, and Python. All you need to do is to implement a function, upload your source code and configure th...
Introducing the Object Store: S3
Back in the old days, data was managed as files in a hierarchy consisting of folders and files. The file was the representation of the data. In an object store, data is stored as objects. Each object consists of a globally unique identifier, some metada...
A look at DynamoDB
Scaling a traditional, relational database is very hard because transactional guarantees (Atomicity, Consistency, Isolation, Durability also known as ACID) require communication between all nodes of the database. The more nodes you add, the slower your database gets, because more and more nodes must coordinate transactions between each other. The way to tackle this has been to use databases which don’t adhere to these guarantees. We call them NoSQL databases. Amazon provides a NoSQL database service call...
Understanding Infrastructure as Code
Infrastructure as Code describes the idea of using a high level programming language to control IT systems. In software development, tools like automated tests, code repositories and build servers are increasing quality of software engineering. If your ...
Prevent outages with redundant EC2 instances
Unfortunately, EC2 instances aren’t fault-tolerant. Under your virtual server is a host system. These are a few reasons your virtual server might suffer from a crash caused by the host system: If the host hardware fails, it can no longer host the virtu...
Interacting with AWS to turn system diagrams into reality
Generally speaking, you can host any application on AWS. If you interact with AWS, you will always make calls to the API. The API is the interface between you and AWS as figure 1 demonstrates. Figure 1 Tools to interact with the AWS API You will now get...
What can you do with AWS?
This article excerpted from Amazon Web Services in Action, shows that you can run any application on AWS by using one or a combination of different services. The four examples we present in this article will give you an idea of what you can do with AWS....
