PS
Size: a a a
PS
B
۞
PS
redis.get('key', function(err, value) {
redis.set('key', value * 2);
});user1: redis.get('key') -> 1
user2: redis.get('key') -> 1
user1: redis.set('key', 1 x 2) -> 2
user2: redis.set('key', 1 x 2) -> 2d
I
redis.get('key', function(err, value) {
redis.set('key', value * 2);
});user1: redis.get('key') -> 1
user2: redis.get('key') -> 1
user1: redis.set('key', 1 x 2) -> 2
user2: redis.set('key', 1 x 2) -> 2PS
PS
۞
d
۞

d

d

۞
۞

d

۞

۞
V
redis.get('key', function(err, value) {
redis.set('key', value * 2);
});user1: redis.get('key') -> 1
user2: redis.get('key') -> 1
user1: redis.set('key', 1 x 2) -> 2
user2: redis.set('key', 1 x 2) -> 2d