spacewander commented on a change in pull request #3682:
URL: https://github.com/apache/apisix/pull/3682#discussion_r583429123
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File path: apisix/balancer/roundrobin.lua
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@@ -18,12 +18,19 @@
local roundrobin = require("resty.roundrobin")
local core = require("apisix.core")
local nkeys = core.table.nkeys
+local pairs = pairs
local _M = {}
function _M.new(up_nodes, upstream)
+ local safe_limit = 0
+ for _, weight in pairs(up_nodes) do
+ -- the weight can be zero
+ safe_limit = safe_limit + weight + 1
Review comment:
The number of possible retry won't be larger than `weight + 1`.
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