排序集合：
newkey = "gc:hashes:" + redis.INCR("gc:index")
redis.RENAME("my.zset.key", newkey)
# Delete members from the sorted set in batche of 100s
while redis.ZCARD(newkey) > 0
redis.ZREMRANGEBYRANK(newkey, 0, 99)
end集合：
newkey = "gc:hashes:" + redis.INCR("gc:index")
redis.RENAME("my.set.key", newkey)
# Delete members from the set in batches of 100
cursor = 0
loop
cursor, members = redis.SSCAN(newkey, cursor, "COUNT", 100)
if size of members > 0
redis.SREM(newkey, members)
end
if cursor == 0
break
end
end列表：
newkey = "gc:hashes:" + redis.INCR("gc:index")
redis.RENAME("my.list.key", newkey)
# Trim off elements in batche of 100s
while redis.LLEN(newkey) > 0
redis.LTRIM(newkey, 0, -99)
endHash：
newkey = "gc:hashes:" + redis.INCR( "gc:index" )
redis.RENAME("my.hash.key", newkey)
# Delete fields from the hash in batche of 100s
cursor = 0
loop
cursor, hash_keys = redis.HSCAN(newkey, cursor, "COUNT", 100)
if hash_keys count > 0
redis.HDEL(newkey, hash_keys)
end
if cursor == 0
break
end
end
logger@BIGD1TMP:~> redis-benchmark -q -r 100000 -n 1000000 -c 50
PING_INLINE: 90155.07 requests per second
PING_BULK: 92302.02 requests per second
SET: 85070.18 requests per second
GET: 86184.61 requests per second
logger@BIGD1TMP:~> redis-benchmark -q -r 100000 -n 1000000 -c 50 -P 10
PING_INLINE: 558035.69 requests per second
PING_BULK: 668002.69 requests per second
SET: 275027.50 requests per second
GET: 376647.84 requests per second
logger@BIGD1TMP:~> redis-benchmark -q -r 100000 -n 1000000 -c 50 -P 20
PING_INLINE: 705716.25 requests per second
PING_BULK: 869565.25 requests per second
SET: 343406.59 requests per second
GET: 459347.72 requests per second
logger@BIGD1TMP:~> redis-benchmark -q -r 100000 -n 1000000 -c 50 -P 50
PING_INLINE: 940733.81 requests per second
PING_BULK: 1317523.00 requests per second
SET: 380807.31 requests per second
GET: 523834.47 requests per second
logger@BIGD1TMP:~> redis-benchmark -q -r 100000 -n 1000000 -c 50 -P 100
PING_INLINE: 999000.94 requests per second
PING_BULK: 1440922.12 requests per second
SET: 386996.88 requests per second
GET: 602046.94 requests per second
logger@BIGD1TMP:~> redis-benchmark -q -r 100000 -n 1000000 -c 50 -P 200
PING_INLINE: 1078748.62 requests per second
PING_BULK: 1381215.50 requests per second
SET: 379218.81 requests per second
GET: 537634.38 requests per second一個(gè)場景是一個(gè)購物車的設(shè)計(jì)，一般的設(shè)計(jì)思路是：
在獲取購物車內(nèi)部貨品時(shí)，不使用pipeline會(huì)很低效：
可以修改為：
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