Shovel: swap queue for lqueue #14890
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the `queue' module is not aware of the queue length, which means its `len/1` function is O(n) while with `lqueue' it is O(1). We rely on `queue:len/1' for a shovel metric, so why not use a more efficient drop-in replacement our team has developed in 2011.
michaelklishin
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Nov 4, 2025
Shovel: swap queue for lqueue (backport #14890)
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This is a follow-up to #14873.
The
queuemodule is not aware of the queuelength, which means its
len/1functionis O(n) [1] while with
lqueueit is O(1).We rely on
queue:len/1for a shovel metric,so why not use a more efficient drop-in replacement
our team has developed in 2011.