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>

logic/proc.go

@@ -2,6 +2,7 @@ package logic
 
 import (
 	"os"
+	"runtime"
 	"runtime/pprof"
 
 	"github.com/gravitl/netmaker/logger"
@@ -22,3 +23,15 @@ func StopCPUProfiling(f *os.File) {
 	pprof.StopCPUProfile()
 	f.Close()
 }
+
+func StartMemProfiling() {
+	f, err := os.OpenFile("/root/data/mem.prof", os.O_APPEND|os.O_WRONLY|os.O_CREATE, 0755)
+	if err != nil {
+		logger.Log(0, "could not create Memory profile: ", err.Error())
+	}
+	defer f.Close()
+	runtime.GC() // get up-to-date statistics
+	if err = pprof.WriteHeapProfile(f); err != nil {
+		logger.Log(0, "could not write memory profile: ", err.Error())
+	}
+}