feat(load-balancing): explain weighted_round_robin strategy - #101
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levkk
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Aug 13, 2026
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| ### Weighted round robin | ||
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| Give some replicas more traffic than others. Each database gets a weight (`lb_weight`, `0`-`255`, default `255`), and traffic is split roughly in proportion to those weights, spread evenly rather than in bursts. |
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| Give some replicas more traffic than others. Each database gets a weight (`lb_weight`, `0`-`255`, default `255`), and traffic is split roughly in proportion to those weights, spread evenly rather than in bursts. | |
| Give some replicas more traffic than others. Each database gets a weight (`lb_weight`, `0`-`255`, default `255`), and traffic is split roughly in proportion to those weights. |
levkk
reviewed
Aug 13, 2026
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| Give some replicas more traffic than others. Each database gets a weight (`lb_weight`, `0`-`255`, default `255`), and traffic is split roughly in proportion to those weights, spread evenly rather than in bursts. | ||
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| Set a weight to `0` and that database only gets picked once every positive-weight database is banned or unreachable. That's a clean way to keep a small replica around purely as a backup, or to point almost all traffic at one preferred replica. |
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| Set a weight to `0` and that database only gets picked once every positive-weight database is banned or unreachable. That's a clean way to keep a small replica around purely as a backup, or to point almost all traffic at one preferred replica. |
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I don't think we can use AI to write docs to be honest. It just reads wrong...I can't explain it. It's the uncanny valley: 
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