DevFW-CICD/ingress-nginx-helm
16
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

perf: json encoding share to eatch request (#6955)

Browse source 
* perf: json encoding share to eatch request

* fix: fix lint lua
This commit is contained in:
zhaogaolong 2021-05-24 08:57:38 +08:00 committed by GitHub
parent 8a55801cc0
commit 68ec350388
No known key found for this signature in database
GPG key ID: 4AEE18F83AFDEB23
1 changed files with 26 additions and 8 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

34
rootfs/etc/nginx/lua/monitor.lua
View file

@ -7,7 +7,8 @@ local socket = ngx.socket.tcp
local cjson = require("cjson.safe")
local new_tab = require "table.new"
local clear_tab = require "table.clear"
local clone_tab = require "table.clone"
local table = table
local pairs = pairs
-- if an Nginx worker processes more than (MAX_BATCH_SIZE/FLUSH_INTERVAL) RPS
@ -18,6 +19,9 @@ local FLUSH_INTERVAL = 1 -- second
local metrics_batch = new_tab(MAX_BATCH_SIZE, 0)
local metrics_count = 0
-- for save json raw metrics table
local metrics_raw_batch = new_tab(MAX_BATCH_SIZE, 0)
local _M = {}
local function send(payload)
@ -57,16 +61,22 @@ local function flush(premature)
return
end
local current_metrics_batch = clone_tab(metrics_batch)
clear_tab(metrics_batch)
metrics_count = 0
clear_tab(metrics_batch)
local payload, err = cjson.encode(current_metrics_batch)
if not payload then
ngx.log(ngx.ERR, "error while encoding metrics: ", err)
return
local request_metrics = {}
table.insert(request_metrics, "[")
for i in pairs(metrics_raw_batch) do
local item = metrics_raw_batch[i] ..","
if i == table.getn(metrics_raw_batch) then
item = metrics_raw_batch[i]
end
table.insert(request_metrics, item)
end
table.insert(request_metrics, "]")
local payload = table.concat(request_metrics)
clear_tab(metrics_raw_batch)
send(payload)
end
@ -90,8 +100,16 @@ function _M.call()
return
end
local metrics_obj = metrics()
local payload, err = cjson.encode(metrics_obj)
if err then
ngx.log(ngx.ERR, string.format("error when encoding metrics: %s", tostring(err)))
return
end
metrics_count = metrics_count + 1
metrics_batch[metrics_count] = metrics()
metrics_batch[metrics_count] = metrics_obj
metrics_raw_batch[metrics_count] = payload
end
setmetatable(_M, {__index = {