Laravel 控制台程序 循环执行 ORM 查询 内存溢出

<?php

namespace App\Console\Commands;
use App\Models\Products\SkuStock;
use Illuminate\Console\Command;
use Illuminate\Support\Facades\DB;
use Maatwebsite\Excel\Facades\Excel;

class ImportStock extends Command
{
    protected $signature = 'import:stock';
    protected $description = '导入仓库初始数据';
    public function __construct()
    {
        parent::__construct();
    }
    public function handle()
    {
        DB::connection()->disableQueryLog();
        //此处本来是要实现读取excel数据 导入到数据里面去
        for ($i=0;$i<10000;$i++){
            SkuStock::all();
            echo memory_get_usage().PHP_EOL;
            sleep(1);

        }
    }
}