hnlq715 commented on a change in pull request #3300:
URL: https://github.com/apache/apisix/pull/3300#discussion_r566016085
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File path: apisix/balancer/ewma.lua
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@@ -119,38 +138,76 @@ local function _trans_format(up_nodes)
return next(peers) and peers or nil
end
-
local function _ewma_find(ctx, up_nodes)
local peers
- local endpoint
- if not up_nodes
- or core.table.nkeys(up_nodes) == 0 then
+ if not up_nodes or nkeys(up_nodes) == 0 then
return nil, 'up_nodes empty'
end
- peers = lrucache_trans_format(ctx.upstream_key, ctx.upstream_version,
- _trans_format, up_nodes)
+ peers = lrucache_trans_format(ctx.upstream_key, ctx.upstream_version,
_trans_format, up_nodes)
if not peers then
return nil, 'up_nodes trans error'
end
- if #peers > 1 then
- endpoint = pick_and_score(peers)
+ local tried_endpoints
+ if not ctx.balancer_tried_servers then
+ tried_endpoints = {}
+ ctx.balancer_tried_servers = tried_endpoints
Review comment:
Yep, I got it :-)
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