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scrapy无缝对接布隆过滤器
2022-07-25 22:21:00 【范之度】
因为现在可以直接加载布隆器模块了,因此安装方法如下:
pip install scrapy-redis-bloomfilter然后在setting.py中加入如下代码:
# 把去重模块更改为scrapy-redis-bloomfilter写好的模块
DUPEFILTER_CLASS = "scrapy_redis_bloomfilter.dupefilter.RFPDupeFilter"
# 散列函数的个数,个人偏向设置为10,不设置则默认为6,
BLOOMFILTER_HASH_NUMBER = 10
# Bloom Filter的bit参数,默认30(一亿级指纹池)
BLOOMFILTER_BIT = 30边栏推荐
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