[Haskell-cafe] Bounded STM Queues with load shedding

[Alex Hammel]

Forwarding from Haskell-Beginners:

Hi list,

It would be handy for me to have a bounded STM Queue along the lines of
TBQueue with the difference that when the queue is full, a call to
writeTBQueue is a non-blocking no-op.

This is in the context of an asynchronous logging system. If the load
(somehow) gets heavy enough that the log message queue is taking up a lot
of memory, It's better to lose a few log messages than to have processes
block until the logger catches up.

Are there any off-the-shelf solutions?

Cheers,
Alex
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