After enabled badger, the vlog file up to 700M one day and 4GB one week about server HOT 9 CLOSED

// make sure to import the extra badger packages:
import badgerdb "github.com/dgraph-io/badger"
import "github.com/timshannon/badgerhold"

// some complex nesting of different structs called 'Options'
err := server.AddHook(new(badger.Hook), &badger.Options{
  Path: badgerPath,
  Options: &badgerhold.Options{
  	Options: badgerdb.Options{
  		ValueLogFileSize: 256000,
  	},
  },
})

// SPDX-License-Identifier: MIT
// SPDX-FileCopyrightText: 2022 mochi-mqtt, mochi-co
// SPDX-FileContributor: mochi-co

package main

import (
	"log"
	"os"
	"os/signal"
	"syscall"

	mqtt "github.com/mochi-mqtt/server/v2"
	"github.com/mochi-mqtt/server/v2/hooks/auth"
	"github.com/mochi-mqtt/server/v2/hooks/storage/badger"
	"github.com/mochi-mqtt/server/v2/listeners"

	badgerdb "github.com/dgraph-io/badger"
	"github.com/timshannon/badgerhold"
)

func main() {
	badgerPath := ".badger"
	defer os.RemoveAll(badgerPath) // remove the example badger files at the end

	sigs := make(chan os.Signal, 1)
	done := make(chan bool, 1)
	signal.Notify(sigs, syscall.SIGINT, syscall.SIGTERM)
	go func() {
		<-sigs
		done <- true
	}()

	server := mqtt.New(nil)
	_ = server.AddHook(new(auth.AllowHook), nil)

	err := server.AddHook(new(badger.Hook), &badger.Options{
		Path: badgerPath,
		Options: &badgerhold.Options{
			Options: badgerdb.Options{
				ValueLogFileSize: 256000,
			},
		},
	})
	if err != nil {
		log.Fatal(err)
	}

	tcp := listeners.NewTCP("t1", ":1883", nil)
	err = server.AddListener(tcp)
	if err != nil {
		log.Fatal(err)
	}

	go func() {
		err := server.Serve()
		if err != nil {
			log.Fatal(err)
		}
	}()

	<-done
	server.Log.Warn("caught signal, stopping...")
	_ = server.Close()
	server.Log.Info("main.go finished")
}