The fun begins when you can't debug by printf because the buffer is shared by multiple processes that change it while the printf command is running.
- Do you know which service tier has the issue?
- Can you halt one thread that sees the issue, not all of them on an instance?
- When the request times out, do you have to start over and make another prod user sad?
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The fun begins when you can't debug by printf because the buffer is shared by multiple processes that change it while the printf command is running.