- 1. Redis? VarnaConf 20 2013
2. 2 / 178 , , ... ... Java, Perl, JavaScript, Ruby... Java
JavaScript [email protected] @buhtum 3. Redis? key/value * ,
string, : List () Hash ( ) Set ( e) Sorted Set ( ) 3 / 178 4. 4 /
178 5. (1) SET/GET MSET/MGET INCR/INCRBY, DECR/DECRBY : GETSET , :
SETNX , : SETBIT, BITCOUNT : 6. e: : SETNX lock.foo : GET lock.foo
+ GETSET lock.foo + DEL 7. : , / , user:123, logins:2013-03-31,
user:123:followers, etc. ( ) : JSON, Protocol Buffers... 8. : list
() 9. : list () 10. (job queue) RPUSH, LPOP BRPUSH, BLPOP: timeline
LPUSH LRANGE N Recently viewed LPUSH LTRIM n 11. : set () 12. : set
() SINTER SINTERSTORE SUNION SUNIONSTORE SDIFF SDIFFSTORE 13. (
followers, followees) SADD, SREM ID Tagging tag: tag:linux,
tag:programming, tag:ruby ID SINTER tag:linux, tag:programming 14.
: (sorted sets) Set, , : Stefan1 Peter3 Svilen4 ZADD leaderboard 2
Ivan ZRANGE leaderboard 0 -1 1) "Stefan" 2) "Ivan" 3) "Peter" 4)
"Svilen" Ivan2 Stefan1 Peter3 Svilen4 15. : (sorted sets) ZRANK,
ZREVRANK ZREMRANGEBY* - RANK SCORE ZINCRBY 16. : (hash) 17. 18. (1)
(snapshoting) , append-only master-slave (scalability) master 19.
(2) ? sharding failover : sentinel upgrade downtime 20. 21. ?
