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Smooth weighted round-robin balancing
For edge case weights like { 5, 1, 1 } we now produce { a, a, b, a, c, a, a } sequence instead of { c, b, a, a, a, a, a } produced previously. Algorithm is as follows: on each peer selection we in...
474-"round robin upstream stuck on %ui tries", 528-"round robin upstream stuck on %ui tries", 690598"free rr peer failed: %ui %i",
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