re-implement data usage crawler to be more efficient (#9075)

Implementation overview: 

https://gist.github.com/klauspost/1801c858d5e0df391114436fdad6987b

cmd/server-main.go

@@ -20,6 +20,7 @@ import (
 	"context"
 	"errors"
 	"fmt"
+	"net"
 	"net/http"
 	"os"
 	"os/signal"
@@ -361,6 +362,9 @@ func serverMain(ctx *cli.Context) {
 	}
 
 	httpServer := xhttp.NewServer([]string{globalMinioAddr}, criticalErrorHandler{handler}, getCert)
+	httpServer.BaseContext = func(listener net.Listener) context.Context {
+		return GlobalContext
+	}
 	go func() {
 		globalHTTPServerErrorCh <- httpServer.Start()
 	}()