Modern web applications have different requirements than applications from just a few years ago. If we have a website such as, say, HasteBin, which depends upon generating these short, three letter IDs to easily share with people, this causes a problem.ĬUID aims to solve the exact problem we discussed above with UUIDs. Which is true! If we look into the history of UUID, we realise that it wasn't ever really made to be used in web applications. It may seem minor, but to build a product that developers love to use, we need to care about details like these. The browser interprets it as 5 different words. Try double clicking on that ID to select and copy it.
The title of the post was "Why we chose NanoIDs for PlanetScale's API", and the post goes onto talk about how UUIDs are great and all as it's near impossible to generate a duplicate identifier, however they have a huge problem: they're too big, and take up too much space in the URL.ĭon't we all love clean and short URLs? Nobody likes seeing a bunch of digits and weird symbols in your URL. While researching, I came across this blog by PlanetScale, which is a MySQL-compatible serverless data platform. The probability that an ID will be replicated isn't zero, it's close enough that when we generate a UUID, the chances of the identifier being used ANYWHERE else is near zero.Īn example would be something like that fits the format of xxxxxxxx-xxxx-Mxxx-Nxxx-xxxxxxxxxxxx, so something like 123e4567-e89b-12d3-a456-426614174000. UUID, or universally unique identifier, is a 128 bit label used for information in operating systems. We'll be looking at UUID and CUID, along with NanoID as it has started to gain traction lately. After doing some research, I'd like to share my findings. Now, at the time of the stream I was unsure of the difference between the two, and I just kind of used whatever.Īfter the stream, I too was curious what the difference is between the two.
In the stream, we talked a lot about different topics I had going on in the code, and one of them was about the difference between a CUID and a UUID.
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