![MemcachedOperationExamples
•
set
key
flags
exptime
bytes
[noreply]rn
valuern
[jhpark@XXXX]$
telnet
localhost
11211
get
keyrn Trying
127.0.0.1...
Connected
to
localhost.localdomain
(127.0.0.1).
Escape
character
is
'^]'.
set
sample_key
0
0
12
sample_value
STORED
get
sample_key
VALUE
sample_key
0
12
sample_value
END
8 / SDEC 2011 발표자료](https://image.slidesharecdn.com/sdec2011-arcusnhnmemcachedcloud-110630050127-phpapp01/85/SDEC2011-Arcus-NHN-memcached-cloud-8-320.jpg)
SDEC2011 Arcus NHN memcached cloud
- 1. Arcus:NHNMemcachedCloud 박준현/NHN
- 2. ARCUS 2 / SDEC 2011 발표자료
- 3. ARCUS개발배경 • • • • • • 3 / SDEC 2011 발표자료
- 4. ARCUS개발배경 • • 4 / SDEC 2011 발표자료
- 5. ARCUSCacheCloud • • • • • • 5 / SDEC 2011 발표자료
- 6. Memcached • • • • • 6 / SDEC 2011 발표자료
- 7. MemcachedOperations • Commands • • • , ) • , ( ), 7 / SDEC 2011 발표자료
- 8. MemcachedOperationExamples • set key flags exptime bytes [noreply]rn valuern [jhpark@XXXX]$ telnet localhost 11211 get keyrn Trying 127.0.0.1... Connected to localhost.localdomain (127.0.0.1). Escape character is '^]'. set sample_key 0 0 12 sample_value STORED get sample_key VALUE sample_key 0 12 sample_value END 8 / SDEC 2011 발표자료
- 9. MemcachedPerformance • Throughput (TPS) Response Time 250000 (microsec) 800 200000 700 600 150000 500 400 100000 300 200 50000 100 0 0 9 / SDEC 2011 발표자료
- 10. ConsistentHashing • • • Key z Node 3 Node 2 Remapped to Join Node 3 Key y Node 1 Remapped to Node 1 Node 0 Key x Leave (Failure) 10 / SDEC 2011 발표자료
- 11. ConsistentHashing • Node 0 Node 2 • Node 2 Node 0 • Node 0 • Node 1 • Node 1 Node 2 Node 1 Node 1 Node 2 Node 2 Node 0 Node 0 Node 1 11 / SDEC 2011 발표자료
- 12. Arcus1.5Architecture Clients Cache Nodes Consistent hashing Java C Smart Client + Local caching (Java) Unified Cloud Admin (Zookeeper ensemble) 12 / SDEC 2011 발표자료
- 13. ZookeeperIntegration • • • • • • • • 13 / SDEC 2011 발표자료
- 14. ZookeeperIntegration Clients Cache Nodes Cache Node List M aintenance Zookeeper Ensemble Cache Node List ------------------ Node 1 IP:Port Node 2 IP:Port Node 3 IP:Port Node 4 IP:Port Cache Node 구동 Zookeeper 세션 연결 Ephemeral Node 수동 생성 14 / SDEC 2011 발표자료
- 15. Arcus1.5Memcached • • Memcached Core ZK Community Engine Client Default Arcus Engine Engine 15 / SDEC 2011 발표자료
- 16. Collection개발배경 • • – • – • – • • • • • 16 / SDEC 2011 발표자료
- 17. Collection개요 • • – • • • – • 64bitintegerkey(bkey),value • • • • • 17 / SDEC 2011 발표자료
- 18. Collection저장구조 Hash Table For Uniqueness Checking header key value value2 .. . header key setinfo item Forward/Backward Range Scan header key b+treeinfo .. . bkey1 .. .. . . value 18 / SDEC 2011 발표자료
- 19. NAVERMeCollection활용사례 정보콘텐츠on네이버 카페 블로그 뉴스 웹툰 책 뮤직 etc... 지식인 19 / SDEC 2011 발표자료
- 20. NAVERMeCollection활용사례 • – SELECT * FROM messages WHERE feedid in (feedID1, feedID2, …, feedIDn) AND create_time sysdate() ORDER BY create_time DESC LIMIT 20; • • • • 20 / SDEC 2011 발표자료
- 21. NAVERMeCollection활용사례 • • • – Push Delivery User Inbox 1 Feed 1 User Inbox 2 Feed M User Inbox N 21 / SDEC 2011 발표자료
- 22. NAVERMeCollection활용사례 구독관계Cache (SETtype) 사용자별 구독글목록Cache (B+Treetype) 구독글내용Cache (K/Vtype) 22 / SDEC 2011 발표자료
- 23. BulkInsert • • • • • • 23 / SDEC 2011 발표자료
- 24. SequentialCommandExecution • Client Server 0 ms • • 40 usec 1 ms • 40 usec • 2 ms • 40 usec • 3 ms 24 / SDEC 2011 발표자료
- 25. Server-sideCommandPipelining • – Client Server • 0 ms 120 usec • 1.x ms • • 25 / SDEC 2011 발표자료
- 26. OtherFeatures • • • • • • New Technology Requirements New Idea Features New Products 26 / SDEC 2011 발표자료
- 27. ArcusandMembase 기술 협조, 공동 개발 Memcached 기반 Elastic data cloud 27 / SDEC 2011 발표자료
- 28. 28 / SDEC 2011 발표자료