too many request #1

i need scrap 100.000 url with scrapy but it take much time finish it, at least 5 hour by 9000 request, but if i use

process = CrawlerProcess(get_project_settings())
process.crawl(DataamazonSpider, skus=list_of_sku_1)
process.crawl(DataamazonSpider, skus=list_of_sku_2)
process.start()

i have the error 429 too many request