1. Redis with
Spring Data Document
Sean@Weaveus
May 2011

2. • http://redis.io/
• open source
• by CitrusByte
• sponsored by VMWare
Monday, May 9, 2011 2

3. • key/value store
• in memory/persistence
• Values
• String, List, Set, Binary, ...
• command by values
• speed - faster
• replication - master/slave async
Monday, May 9, 2011 3

4. Monday, May 9, 2011 4

5. Redis Command Client
// String Type Value
sean@ubuntu:~$ redis-cli set mykey "my binary safe value"
OK
sean@ubuntu:~$ redis-cli get mykey
my binary safe value
sean@ubuntu:~$ redis-cli set mykey 100
OK
sean@ubuntu:~$ redis-cli incr mykey
(integer) 101
sean@ubuntu:~$ redis-cli incrby mykey 10
(integer) 111
Monday, May 9, 2011 5

6. List
sean@ubuntu:~$ redis-cli rpush messages "hello"
OK
sean@ubuntu:~$ redis-cli rpush messages "fine"
OK
sean@ubuntu:~$ redis-cli rpush messages "nosql"
OK
sean@ubuntu:~$ redis-cli lrange messages 0 2
1. hello
2. fine
3. nosql
sean@ubuntu:~$ redis-cli lrange messages 0 -1 // first to end
1. hello
2. fine
3. nosql
Monday, May 9, 2011 6

7. List with ID
$ redis-cli incr next.news.id
(integer) 1
$ redis-cli set news:1:title "Redis is simple"
OK
$ redis-cli set news:1:url "http://code.google.com/p/redis"
OK
$ redis-cli lpush submitted.news 1
OK
• generate unique ID
• a new actual data
• push new ID of the actual data
Monday, May 9, 2011 7

8. Set
sean@ubuntu:~$ redis-cli sadd news:1000:tags 1
(integer) 1
sean@ubuntu:~$ redis-cli sadd news:1000:tags 100
(integer) 1
sean@ubuntu:~$ redis-cli sadd news:1000:tags 777
(integer) 1
sean@ubuntu:~$ redis-cli sadd tags:1:objects 1000
(integer) 1
sean@ubuntu:~$ redis-cli sadd tags:100:objects 1000
(integer) 1
sean@ubuntu:~$ redis-cli sadd tags:777:objects 1000
(integer) 1
sean@ubuntu:~$ redis-cli smembers news:1000:tags
1. 777
2. 100
3. 1
sean@ubuntu:~$ redis-cli sismember news:1000:tags 5
(integer) 0
Monday, May 9, 2011 8

9. Set Selection/Union
sean@ubuntu:~$ redis-cli sadd news:1001:tags 888
(integer) 1
sean@ubuntu:~$ redis-cli sadd tags:888:objects 1001
(integer) 1
sean@ubuntu:~$ redis-cli sinter tags:777:objects tags:888:objects
(empty list or set)
sean@ubuntu:~$ redis-cli sunion tags:777:objects tags:888:objects
1. 1000
2. 1001
Monday, May 9, 2011 9

10. Sorted Set
sean@ubuntu:~$ redis-cli zadd hackers 1940 "Alan Kay"
(integer) 1
sean@ubuntu:~$ redis-cli zadd hackers 1969 "Linus"
(integer) 1
sean@ubuntu:~$ redis-cli zrange hackers 0 -1
1. Alan Kay
2. Linus
sean@ubuntu:~$ redis-cli zrangetbyscore hackers 1900 1950
1. Alan Kay
Monday, May 9, 2011 10

11. with Java
import redis.clients.jedis.Jedis
Jedis jedis = new Jedis("ubuntu.sean.me")
println jedis.lrange("messages", 0, -1)
// Result
[hello, fine, nosql]
• JDBC-Redis
• Jedis library - Popular
Monday, May 9, 2011 11

12. with Spring
<<interface>>
@Autowired
Redis
Operations
Bean
Redis
Template
Bean
Redis
Driver
Monday, May 9, 2011 12

13. Beans
Monday, May 9, 2011 13