일괄 삭제를 위한 redis 명령 소개

redis-cli -h (IP地址) -p 6379 (端口号：6379) KEYS key_* | xargs redis-cli (-h (IP地址) -p 6379 (端口号：6379)) del 
 
=>[执行后返回的结果影响数量]：(integer) 100[数量100个]

#  删除单个 key
redis> SET name huangz
OK
 
redis> DEL name
(integer) 1
 
# 删除一个不存在的 key
redis> EXISTS phone
(integer) 0
 
redis> DEL phone # 失败，没有 key 被删除
(integer) 0
 
# 同时删除多个 key
redis> SET name "redis"
OK
 
redis> SET type "key-value store"
OK
 
redis> SET website "redis.com"
OK
 
redis> DEL name type website
(integer) 3

redis-cli -h(IP地址) -p 6379(端口号：6379) --EVAL "return redis.call('del', unpack(redis.call('keys', ARGV[1])))" 0 'Volume:*'

'''
(error) ERR Error running script (call to f_e177a091510d969af3b388ee986dbe6658df6b57): @user_script:1: user_script:1: too many results to unpack
'''

redis-cli -h(IP地址) -p 6379(端口号：6379) --EVAL "local keys = redis.call('keys', ARGV[1]) 
	for i=1,#keys,5000 
		do 
			redis.call('del', unpack(keys, i, math.min(i+4999, #keys))) 
		end 
		return #keys" 0 'Volume:*'

redis-cli -a youpassowrd -n 0 -p 6379 --scan --pattern "Volume:*" | xargs -L 5000 redis-cli -a youpassword -n 0 -p 6379 DEL

'''
 /work/app/redis/bin/redis-cli -a youpassword -n 0 -p 6379 --scan --pattern "Volume:*" | xargs -L 5000 /work/app/redis/bin/redis-cli -a youpassword -n 0 -p 6379 DEL
(integer) 5000
(integer) 5000
(integer) 5000
(integer) 5000
(integer) 5000
(integer) 5000
(integer) 5000
(integer) 207
'''