Redis流水线执行顺序
我正在使用rub redis宝石。想知道我是否例如:
redis.pipelined do REDIS.del("users:#{current_user_id}:i-unread")
REDIS.lpush("users:#{current_user_id}:i-read", items)
REDIS.ltrim("users:#{current_user_id}:i-read", 0, Interaction::MAX_INTERACTIONS)
end
这样的执行顺序得到保证吗?
回答:
当然可以保证顺序,否则流水线将毫无用处。您可以随时查看代码。例如,此测试明确假定命令是按顺序执行的:https :
//github.com/redis/redis-
rb/blob/master/test/pipelining_commands_test.rb#L32
def test_bulk_and_multi_bulk_commands_mixed r.pipelined do
r.lpush "foo", "s1"
r.lpush "foo", "s2"
r.mset("baz", "s3", "qux", "s4")
end
assert_equal 2, r.llen("foo")
assert_equal "s2", r.lpop("foo")
assert_equal "s1", r.lpop("foo")
assert_equal "s3", r.get("baz")
assert_equal "s4", r.get("qux")
end
以上是 Redis流水线执行顺序 的全部内容, 来源链接: utcz.com/qa/418288.html