+ config: add setting "mem_gc_percentage"

home/home.go

@@ -13,6 +13,7 @@ import (
 	"os/signal"
 	"path/filepath"
 	"runtime"
+	"runtime/debug"
 	"strconv"
 	"sync"
 	"syscall"
@@ -209,6 +210,11 @@ func run(args options) {
 			log.Info("Configuration file is OK")
 			os.Exit(0)
 		}
+
+		if config.MemGCPercent != 0 {
+			debug.SetGCPercent(int(config.MemGCPercent))
+			log.Debug("Set SetGCPercent=%d", config.MemGCPercent)
+		}
 	}
 
 	// 'clients' module uses 'dnsfilter' module's static data (dnsfilter.BlockedSvcKnown()),