1.
Arcus:NHNMemcachedCloud 박준현/NHN

2.
ARCUS2 / 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 1Node 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.
ZookeeperIntegrationClients 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 생성14 / 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 Checkingheader key value value2 .. .header key setinfo item Forward/Backward Range Scanheader key b+treeinfo .. . bkey1 .. .. . . value 18 / SDEC 2011 발표자료

19.
NAVERMeCollection활용사례정보콘텐츠on네이버 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 cloud27 / SDEC 2011 발표자료

28.
28 / SDEC 2011 발표자료