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Series
In this series, I will write about concurrency features in Go.
In this problem, you are given a process that runs indefinitely and blocks the program. The only way to stop the program is to send a SIGINT. But you should stop the process gracefully first. If you receive SIGINT again, then kill the process immedia...
In this problem, you are given a video processing service with a freemium tier. Everyone will be given 10 seconds of free processing time. If you are not a paying user, the service will kill your process after 10 seconds. There are two variations for...
In this problem, you are given a video processing service with a freemium tier. Everyone will be given 10 seconds of free processing time. If you are not a paying user, the service will kill your process after 10 seconds. There are two variations for...
In this problem, you are given code that caches key-value pairs into the main memory from a database. The code contains a race condition. You need to change the code to fix this bug. The code you are given boils down to the Get function that handles ...
In the producer-consumer problem, a producer repeatedly generates data and writes it into a buffer. The consumer repeatedly reads the data in the buffer, removing it from the buffer and using the data in some way. In this particular problem, the prod...
So the first problem in this series is a straightforward one. You are given a crawler that requests pages. But this crawler is very aggressive. Now, you do not want to burden the webserver too much. So you need to limit the crawler to at most one pa...
