iwrr: a wrr with always O(1) time and O(n) memory

alibaba · Feb 3, 2023 · d4f7beb · d4f7beb
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diff --git a/docs/modules/ngx_http_upstream_iwrr_module.md b/docs/modules/ngx_http_upstream_iwrr_module.md
@@ -8,7 +8,7 @@ ngx_http_upstream_iwrr_module.
 
 The `IWRR` module is an efficient load balancing algorithm with `O(1)` time complexity, but `IWRR` is no need to incremental initialization.
 
-Compared with Nginx's official `SWRR` algorithm and `VNSWRR`, `IWRR` abandons smoothness on the premise of ensuring the correctness of the weighted load balancing algorithm, ensuring that no matter how the total weight of the cluster changes, `IWRR` space The complexity is always `O(n)`.
+Compared with Nginx's official `SWRR` algorithm and `VNSWRR`, `IWRR` abandons smoothness on the premise of ensuring the correctness of the weighted load balancing algorithm, ensuring that no matter how the total weight of the cluster changes, `IWRR` space The complexity is always `O(n)`. 
 
 ## Example