使用scrapy-redis构建分布式爬虫,需要在settings.py文件中设置( )。
ASCHEDULER = "scrapy_redis.scheduler.Scheduler"[|]SCHEDULER = "scrapy.scheduler.Scheduler"[|]DUPEFILTER_CLASS = "scrapy_redis.dupefilter.RFPDupeFilter"[|]DUPEFILTER_CLASS = "scrapy.dupefilter.RFPDupeFilter"