NET-1778: scale test code changes (#3203)

* comment ACL call and add debug message

* add cache for network nodes

* fix load node to network cache issue

* add peerUpdate call 1 min limit

* add debug log for scale test

* release maps

* avoid default policy for node

* 1 min limit for peerUpdate trigger

* mq options

* Revert "mq options"

This reverts commit 10b93d0118.

* set peerUpdate run in sequence

* update for emqx 5.8.2

* remove batch peer update

* change the sleep to 10 millisec to avoid timeout

* add compress and change encrypt for peerUpdate message

* add mem profiling and automaxprocs

* add failover ctx mutex

* ignore request to failover peer

* remove code without called

* remove debug logs

* update emqx to v5.8.2

* change broker keepalive

* add OLD_ACL_SUPPORT setting

* add host version check for message encrypt

* remove debug message

* remove peerUpdate call control

---------

Co-authored-by: abhishek9686 <abhi281342@gmail.com>

controllers/server.go

@@ -48,6 +48,8 @@ func serverHandlers(r *mux.Router) {
 		Methods(http.MethodGet)
 	r.HandleFunc("/api/server/cpu_profile", logic.SecurityCheck(false, http.HandlerFunc(cpuProfile))).
 		Methods(http.MethodPost)
+	r.HandleFunc("/api/server/mem_profile", logic.SecurityCheck(false, http.HandlerFunc(memProfile))).
+		Methods(http.MethodPost)
 }
 
 func cpuProfile(w http.ResponseWriter, r *http.Request) {
@@ -62,6 +64,10 @@ func cpuProfile(w http.ResponseWriter, r *http.Request) {
 		}
 	}
 }
+func memProfile(w http.ResponseWriter, r *http.Request) {
+	os.Remove("/root/data/mem.prof")
+	logic.StartMemProfiling()
+}
 
 func getUsage(w http.ResponseWriter, _ *http.Request) {
 	type usage struct {