In 2021, Oracle decided to monetize Java by changing its licensing policy after JDK 17. Previously, businesses had to pay for updates and support, but with JDK 17, Oracle introduced the No-Fee Terms and Conditions (NFTC). This makes Oracle JDK free only for personal, internal business, and testing use. Redistribution is allowed as long as no fees are charged. However, NFTC does not apply if JDK 17 is obtained through other Oracle agreements like the Oracle Master Agreement. While Java seems free under NFTC, Oracle’s history of licensing changes means enterprises should be cautious. In short, Java is no longer…
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A few weeks ago, we were discussing a problem with my team mates and a colleague raised a question about a very basic distributed remote caching problem which was about an application scaled out across multiple instances, managing how data is cached can become a significant challenge. Let me take the shortcut and directly jump into the problem. Consider a scenario where you have multiple instances doing the same job and you need to cache the result of a function which takes about 30 seconds. This function’s result needs to be cached to avoid redundant executions across different instances. The…
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MongoDB is a popular NoSQL database, which means it doesn’t use tables like traditional databases. Instead, it saves data as ‘documents’, which are like flexible data entries. If you’re using C# and want to work with MongoDB, there’s an official library made just for that. In this post, we’ll check out this library, see some basic MongoDB info, and walk through some C# code examples for common tasks. In MongoDB, data is saved in collections as documents. Think of collections like folders on your computer, and documents like files in those folders. But here, each document can have different data…