DevFW-CICD/ingress-nginx-helm
6
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

introduce ngx.var.balancer_ewma_score

Browse source
This commit is contained in:
Elvin Efendi 2019-07-03 16:34:27 -04:00
parent a653e329aa
commit 27df697dde
2 changed files with 6 additions and 3 deletions
Download patch file Download diff file Expand all files Collapse all files

8
rootfs/etc/nginx/lua/balancer/ewma.lua
View file

@ -73,19 +73,21 @@ local function pick_and_score(self, peers, k)
lowest_score_index, lowest_score = i, new_score
end
end
return peers[lowest_score_index]
return peers[lowest_score_index], lowest_score
end
function _M.balance(self)
local peers = self.peers
local endpoint = peers[1]
local endpoint, score = peers[1], -1
if #peers > 1 then
local k = (#peers < PICK_SET_SIZE) and #peers or PICK_SET_SIZE
local peer_copy = util.deepcopy(peers)
endpoint = pick_and_score(self, peer_copy, k)
endpoint, score = pick_and_score(self, peer_copy, k)
end
ngx.var.balancer_ewma_score = score
-- TODO(elvinefendi) move this processing to _M.sync
return endpoint.address .. ":" .. endpoint.port
end