fix(backend): add max sockets limitation (#367)

Author: bzp2010

libs/backend-api7/src/index.ts

@@ -32,6 +32,7 @@ export class BackendAPI7 implements ADCSDK.Backend {
     const keepAlive: httpAgentOptions = {
       keepAlive: true,
       keepAliveMsecs: 60000,
+      maxSockets: 256, // per host
     };
     const config: CreateAxiosDefaults = {
       baseURL: `${opts.server}`,

libs/backend-apisix-standalone/src/index.ts

@@ -44,6 +44,7 @@ export class BackendAPISIXStandalone implements ADCSDK.Backend {
     const keepAlive: httpAgentOptions = {
       keepAlive: true,
       keepAliveMsecs: 60000,
+      maxSockets: 10, // per host
     };
     const config: CreateAxiosDefaults = {
       headers: { 'Content-Type': 'application/json' },

libs/backend-apisix/src/index.ts

@@ -26,6 +26,7 @@ export class BackendAPISIX implements ADCSDK.Backend {
     const keepAlive: httpAgentOptions = {
       keepAlive: true,
       keepAliveMsecs: 60000,
+      maxSockets: 256, // per host
     };
     const config: CreateAxiosDefaults = {
       baseURL: `${opts.server}`,