Next Level Redis With Spring Data (JavaDay2016)

Redis is one of the most popular Open Source Key Value Stores these days. Spring Data Redis Lead Christoph Strobl takes you on a tour through high availability and cluster scenarios. He explains Redis commands and data structures, object hash mapping and secondary indexes as well as the Spring Data Repository abstraction that let’s you seamlessly interact with Redis.

Transcript

1. Unless otherwise indicated, these slides are © 2013-2016 Pivotal Software, Inc. and licensed under a Creative Commons Attribution-NonCommercial license: http://creativecommons.org/licenses/by-nc/3.0/ 1 Next Level Redis With Spring Christoph Strobl @stroblchristoph JAVADAY KYIV 2016
2. Unless otherwise indicated, these slides are © 2013-2016 Pivotal Software, Inc. and licensed under a Creative Commons Attribution-NonCommercial license: http://creativecommons.org/licenses/by-nc/3.0/ 2
3. Unless otherwise indicated, these slides are © 2013-2016 Pivotal Software, Inc. and licensed under a Creative Commons Attribution-NonCommercial license: http://creativecommons.org/licenses/by-nc/3.0/ 3 Remote Directory Server KeyValue Store Cache Queues Analytics Geo Indexing Session Store Distributed Locks Strings Hashes Lists Sets Sorted Sets HyperLogLog Transactions Pub/Sub Scripting
4. Unless otherwise indicated, these slides are © 2013-2016 Pivotal Software, Inc. and licensed under a Creative Commons Attribution-NonCommercial license: http://creativecommons.org/licenses/by-nc/3.0/ 4 DataTypes & Commands
5. Unless otherwise indicated, these slides are © 2013-2016 Pivotal Software, Inc. and licensed under a Creative Commons Attribution-NonCommercial license: http://creativecommons.org/licenses/by-nc/3.0/ 5 V A L U E SET GET K E Y STRLEN APPEND GETSET GETRANGE SETRANGE 3 . 1 4 1 INCR INCRBY DECR DECRBY INCRBYFLOAT DECRBYFLOAT SETNX Strings
6. Unless otherwise indicated, these slides are © 2013-2016 Pivotal Software, Inc. and licensed under a Creative Commons Attribution-NonCommercial license: http://creativecommons.org/licenses/by-nc/3.0/ Arya 6 S T A R K LPUSH LPOP RPUSH RPOP LLEN LSET LGET LINSERT LRANGE LREM Lists Jon Bran
7. Unless otherwise indicated, these slides are © 2013-2016 Pivotal Software, Inc. and licensed under a Creative Commons Attribution-NonCommercial license: http://creativecommons.org/licenses/by-nc/3.0/ 7 Sets L A N N I S T E R Tyrion Jaime Cersei SADD SPOP SREM SCARD SMEMBERS SISMEMBER Tywin
8. Unless otherwise indicated, these slides are © 2013-2016 Pivotal Software, Inc. and licensed under a Creative Commons Attribution-NonCommercial license: http://creativecommons.org/licenses/by-nc/3.0/ 8 ZSets L A N N I S T E R Tywin Cersei Jaime 2 1 2 Tyrion 3 ZADD ZRANGE ZRANGEBYSCORE ZCARD ZCOUNT ZSCORE ZREM ZREVRANGEBYSCORE ZREVRANGE ZINCRBY score
9. Unless otherwise indicated, these slides are © 2013-2016 Pivotal Software, Inc. and licensed under a Creative Commons Attribution-NonCommercial license: http://creativecommons.org/licenses/by-nc/3.0/ 9 Hashes D A E N E R Y S lastname occupation pet targaryen queen dragon HSET HGET HMSET HMGET HVALS HKEYS HDEL HLEN HGETALL
10. Unless otherwise indicated, these slides are © 2013-2016 Pivotal Software, Inc. and licensed under a Creative Commons Attribution-NonCommercial license: http://creativecommons.org/licenses/by-nc/3.0/ 10 Geo W E S T E R O S GEOADD GEODIST GEOHASH GEOPOS Castle Black Winterfell King’s Landing 13.361389, 38.115556 15.087269, 37.502669 13.583333, 37.316667 347903… 347909… 347944… GEORADIUS GEORADIUSBYMEMBER ZREM = GEODEL ¯\_(ツ)_/¯
11. Unless otherwise indicated, these slides are © 2013-2016 Pivotal Software, Inc. and licensed under a Creative Commons Attribution-NonCommercial license: http://creativecommons.org/licenses/by-nc/3.0/ 11 multi/exec MULTI EXEC SET key value GET key QUEUED QUEUED [OK, value] DISCARD OK
12. Unless otherwise indicated, these slides are © 2013-2016 Pivotal Software, Inc. and licensed under a Creative Commons Attribution-NonCommercial license: http://creativecommons.org/licenses/by-nc/3.0/ 12 Single Node / HA / Cluster
13. Unless otherwise indicated, these slides are © 2013-2016 Pivotal Software, Inc. and licensed under a Creative Commons Attribution-NonCommercial license: http://creativecommons.org/licenses/by-nc/3.0/ 13
14. Unless otherwise indicated, these slides are © 2013-2016 Pivotal Software, Inc. and licensed under a Creative Commons Attribution-NonCommercial license: http://creativecommons.org/licenses/by-nc/3.0/ 14
15. Unless otherwise indicated, these slides are © 2013-2016 Pivotal Software, Inc. and licensed under a Creative Commons Attribution-NonCommercial license: http://creativecommons.org/licenses/by-nc/3.0/ 15 S S S
16. Unless otherwise indicated, these slides are © 2013-2016 Pivotal Software, Inc. and licensed under a Creative Commons Attribution-NonCommercial license: http://creativecommons.org/licenses/by-nc/3.0/ 16 Slots:
 0 - 8192 Slots:
 8993 - 16384
17. Unless otherwise indicated, these slides are © 2013-2016 Pivotal Software, Inc. and licensed under a Creative Commons Attribution-NonCommercial license: http://creativecommons.org/licenses/by-nc/3.0/ 17 Spring Data Redis
18. Unless otherwise indicated, these slides are © 2013-2016 Pivotal Software, Inc. and licensed under a Creative Commons Attribution-NonCommercial license: http://creativecommons.org/licenses/by-nc/3.0/ 18 Redis Driver
 Jedis / Lettuce Serializer Template Connection Factory String Jackson JDK Connection ClusterConnection
19. Unless otherwise indicated, these slides are © 2013-2016 Pivotal Software, Inc. and licensed under a Creative Commons Attribution-NonCommercial license: http://creativecommons.org/licenses/by-nc/3.0/ 19 DEMO
 cluster commands
20. Unless otherwise indicated, these slides are © 2013-2016 Pivotal Software, Inc. and licensed under a Creative Commons Attribution-NonCommercial license: http://creativecommons.org/licenses/by-nc/3.0/ 20 Object Hash Mapping
21. Unless otherwise indicated, these slides are © 2013-2016 Pivotal Software, Inc. and licensed under a Creative Commons Attribution-NonCommercial license: http://creativecommons.org/licenses/by-nc/3.0/ 21 class Person { String id; String firstname; String lastname; Address address; } SET {person}:123 { "id":123, "firstname":"jon", "lastname":"snow", "address": { "country":"the north" } } HMSET {person}:123 _class org.example.Person id 123 firstname jon lastname snow address.country the north GET {person}:123 HGETALL {person}:123 HGET {person}:123 id lastname HSET {person}:123 lastname doe HEXISTS {person}:123 age ...
22. Unless otherwise indicated, these slides are © 2013-2016 Pivotal Software, Inc. and licensed under a Creative Commons Attribution-NonCommercial license: http://creativecommons.org/licenses/by-nc/3.0/ 22 DEMO
 Object Hash Mapping
23. Unless otherwise indicated, these slides are © 2013-2016 Pivotal Software, Inc. and licensed under a Creative Commons Attribution-NonCommercial license: http://creativecommons.org/licenses/by-nc/3.0/ 23 Secondary Indexes
24. Unless otherwise indicated, these slides are © 2013-2016 Pivotal Software, Inc. and licensed under a Creative Commons Attribution-NonCommercial license: http://creativecommons.org/licenses/by-nc/3.0/ 24 class Person { String id; String firstname; String lastname; Address address; } HMSET {person}:123 _class org.example.Person id 123 firstname jon lastname snow address.country the north SADD {person}:firstname:jon 123 SADD {person}:lastname:snow 123 123 {person}:firstname:jon 101 567 721 {person}:lastname:snow 122 133 987 SINTER {person}:firstname:jon {person}:lastname:snow SUNION {person}:firstname:jon {person}:lastname:snow
25. Unless otherwise indicated, these slides are © 2013-2016 Pivotal Software, Inc. and licensed under a Creative Commons Attribution-NonCommercial license: http://creativecommons.org/licenses/by-nc/3.0/ 25 @RedisHash("{person}") class Person { @Id String id; @Indexed String firstname; @Indexed String lastname; Address address; } HMSET {person}:123 id 123 firstname john ... SADD {person}:firstname:john 123 SADD {person}:lastname:snow 123 SINTER {person}:firstname:jon {person}:lastname:snow interface PersonRepository extends CrudRepository<Person, String> { " " } repo.save(new Person("123", "john", "snow")); repo.update( newPartialUpdate("123", Person.class) .set("firstname", "jon")); HSET {person}:123 firstname jon SREM {person}:firstname:john 123 SADD {person}:firstname:jon 123 List<Person> findByFirstnameAndLastname(String firstname, String lastname); repo.findByFirstnameAndLastname("jon", "snow"); HGETALL {person}:123
26. Unless otherwise indicated, these slides are © 2013-2016 Pivotal Software, Inc. and licensed under a Creative Commons Attribution-NonCommercial license: http://creativecommons.org/licenses/by-nc/3.0/ 26 DEMO
 Redis Repositories
27. Unless otherwise indicated, these slides are © 2013-2016 Pivotal Software, Inc. and licensed under a Creative Commons Attribution-NonCommercial license: http://creativecommons.org/licenses/by-nc/3.0/ 27 Expire Commands Custom Conversions SpEL based indexing References
28. Unless otherwise indicated, these slides are © 2013-2016 Pivotal Software, Inc. and licensed under a Creative Commons Attribution-NonCommercial license: http://creativecommons.org/licenses/by-nc/3.0/ 28 CC BY 2.0 
 https://www.flickr.com/photos/crystalflickr/2317183342
29. Unless otherwise indicated, these slides are © 2013-2016 Pivotal Software, Inc. and licensed under a Creative Commons Attribution-NonCommercial license: http://creativecommons.org/licenses/by-nc/3.0/ 29 Reactive Data Access Geo Indexes
30. Unless otherwise indicated, these slides are © 2013-2016 Pivotal Software, Inc. and licensed under a Creative Commons Attribution-NonCommercial license: http://creativecommons.org/licenses/by-nc/3.0/ 30 @RedisHash("{person}") class Person { @Id String id; Address address; } HMSET {person}:123 id 123 firstname jon ... GEOADD {person}:address:location 15.087269 37.502669 123 GEORADIUS {person}:address:location 15.0 37.0 200.0 km interface PersonRepository extends CrudRepository<Person, String> { " " } repo.save(new Person("123", "jon", "snow") .withAddress( new Address("winterfell", new Point(15.087269D, 37.502669D))) ); List<Person> findByAddressLocationNear(Point location, Distance distance); repo.findByAddressLocationNear( new Point(15D, 37D), new Distance(200, Metrics.KILOMETERS)); HGETALL {person}:123 class Address { String city; @GeoIndexed Point location; }
31. Unless otherwise indicated, these slides are © 2013-2016 Pivotal Software, Inc. and licensed under a Creative Commons Attribution-NonCommercial license: http://creativecommons.org/licenses/by-nc/3.0/ 31 public interface ReactiveStringCommands { " /** * Set {@literal value} for {@literal key}. * * @param key must not be {@literal null}. * @param value must not be {@literal null}. * @return */ default Mono<Boolean> set(ByteBuffer key, ByteBuffer value) { return set(Mono.just(SetCommand.value(key).forKey(value))) .next().map(BooleanResponse::getOutput); } " /** * Execute each {@link SetCommand} separately. * * @param commands must not be {@literal null}. * @return */ Flux<BooleanResponse<SetCommand>> set(Publisher<SetCommand> commands); " /** * Get single element stored at {@literal key}. * * @param key must not be {@literal null}. * @return empty {@link Mono} in case {@literal key} does not exist. */ default Mono<ByteBuffer> get(ByteBuffer key) { return get(Mono.just(new KeyCommand(key))).next().map((result) -> result.getOutput()); }
32. Unless otherwise indicated, these slides are © 2013-2016 Pivotal Software, Inc. and licensed under a Creative Commons Attribution-NonCommercial license: http://creativecommons.org/licenses/by-nc/3.0/ Learn More. Stay Connected. Follow us @SpringData @springcentral spring.io/blog @pivotal pivotal.io/blog @pivotalcf http://engineering.pivotal.io Talk to us spring-projects/spring-data