Blockchainizing Existing Databases
Blockchain has been a buzzword for the past several years and it hasn’t lived to its promises (yet). The value proposition usually includes vague claims about trust and unmodifiability, butContinue reading
Seven Legacy Integration Patterns
If we have to integrate two (or more) systems nowadays, we know – we either use an API or, more rarely, some message queue. Unfortunately, many systems in the worldContinue reading
Using Multiple Dynamic Caches With Spring
In a third post about cache managers in spring (over a long period of time), I’d like to expand on the previous two by showing how to configure multiple cacheContinue reading
Low-Code, Rapid Application Development and Digital Transformation
Recently, many low-code/no-code solutions have gained speed in the enterprise, giving non-technical people the option to create simple applications. Analysts predict that the low-code industry will grow by 20+% eachContinue reading
Six Things I Learned from Mr. Robot
Mr. Robot is an amazingly accurate series about a hacker (Elliot Alderson) and his, uhm, undertakings. The series is consulted by many cybersecurity experts and so every hack that happensContinue reading
AWS Alarms for Application Errors
Monitoring is key for any real-world application. You have to know what’s happening and be alerted in real time if something wrong is happening. AWS has CloudWatch for that, andContinue reading
Am I a Real Expert?
The other day I had a conversation with a scientist friend who said something along the lines of “yes, I work in that general field, but I’m not an expertContinue reading
Automating the Change of WordPress Permalinks
WordPress is powering 35% of website. And while it may not be seen as very complex or interesting, it is one of the most prevalent technologies of our time. AndContinue reading
An AWS Elasticsearch Post-Mortem
So it happened that we had a production issue on the SaaS version of LogSentinel – our Elasticsearch stopped indexing new data. There was no data loss, as elasticsearch isContinue reading
Running a Safe Database Cluster in AWS With Auto-Scaling Groups
When you have to run a scalable application on AWS, your database must also be scalable. It’s easier to scale the stateless application layer, where each node is mostly disposableContinue reading