import redis
def del_hkeys(pattern) :
cnt = redis.Redis(host=’xxxx’,port=6379,db=0)
key_dict={}
keys = cnt.keys(pattern);
for key in keys:
subkeys = cnt.hkeys(key)
key_dict[key] = subkeys
for key in key_dict.keys():
subkeys = key_dict[key]
del_hkeys(“crawler_distinct_redis_setname”)