[RFC] rename Queue to UnboundedQueue
Then deprecate and warn on usage of "Queue"
Or maybe even call the new one "UnsafeQueue" :)
I think the name "Queue" causes too many people to use it without
knowing the consequences of unbounded memory growth and lack of backpressure.
In all cases I can think of, SizedQueue should be used instead of
current Queue since it will not cause a process to grow out-of-memory.
On the other hand, Ruby still has too many ways for users to shoot themselves in
the foot with unbounded memory growth:
- using IO#read with no length argument
- IO#gets on unknown data
- Net::HTTP or open-uri to slurp a big file into memory
- "SELECT" from a DB library with no LIMIT ... etc.
And having one extra guideline won't help less-experienced Rubyists at all...
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