perf(pdk) optimize kong.ip module by tracking a table size via a local

From #4169
Kong · Jan 8, 2019 · 250757c · 250757c
1 parent 488ee21
commit 250757c
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/kong/pdk/ip.lua b/kong/pdk/ip.lua
@@ -41,11 +41,13 @@ local function new(self)
   -- supports.  Also as an optimization we will only compile trusted ips if
   -- Kong is not run with the default 0.0.0.0/0, ::/0 aka trust all ip
   -- addresses settings.
+  local idx = 1
   for i = 1, n_ips do
     local address = ips[i]
 
     if ip.valid(address) then
-      table.insert(trusted_ips, address)
+      trusted_ips[idx] = address
+      idx = idx + 1
 
       if address == "0.0.0.0/0" then
         trust_all_ipv4 = true