Project complete!! If you want to experience big data, this is a great course to take. It's not easy to experience the entire Hadoop ecosystem by following the curriculum, but this is currently the only course that provides that experience. Since the course is a bit old, some of the references have been removed, but if you ask a question, you'll get an answer within two days, so problems are quickly resolved. There are many similar questions in the community, so you can often find solutions without even having to ask. Resources aren't abundant, so command execution often takes a long time. You'll also experience that the network environment is more unstable than you might think. If you wait patiently, many things get resolved. You'll find yourself waiting a lot more often than you expect. Tip!! If the code you have to type is too long, take a screenshot and ask GPT to extract it, which makes things easier. P.S. I wanted to see the results quickly and I was also impatient, so I sometimes asked a lot of questions in a row, but thank you for answering each one so thoroughly.