Caching

Japan Azure User Group Microsoft MVP for Microsoft Azure

() http://twitter.com/harutama

CDP

Caching Cache-Aside

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60 10 15

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Q.

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A.

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http://commons.wikimedia.org/wiki/File:Memory_hierarchy.svg#mediaviewer/%E3%83%95%E3%82%A1%E3%82%A4%E3%83%AB:Memory_hierarchy.svg

CPU

7

8

CPU

9 http://pc.watch.impress.co.jp/docs/column/kaigai/20130602_601851.html

10

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11

1

12 http://www.infonet.co.jp/ueyama/ip/logic/sram.html

DRAM SRAM

1 1

6

(6)

CPU

2.0Ghz CPU 1? 1 / (2.0109)

= 0.5 10-9 sec = 0.5

0.5? (0.5 10-9) (3.0 108)

= 0.15m = 15cm

13

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15

Q. ?

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17

18

private static void Example(List list) { for (int i = 0; list.Count > i; i++) { // Console.WriteLine(list[i]); } }

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private static void Example(List list) { foreach (string s in list) { // Console.WriteLine(s); } }

12()

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Caching

22

23

Cache-Aside

24

/

Oracle Coherence IBM WebSphere eXtreme Scale Pivotal GemFire

25

26

Azure Redis Cache

27 http://azure.microsoft.com/ja-jp/services/cache/

Oracle Coherence

28 https://docs.oracle.com/cd/E50629_01/core/FMWLC/products2.htm

Pivotal SQLFire

29

SQLFire SQL JDBC ADO.NETvFabric GemFire Oracle CoherenceSQL SQLFire Chief Architect Jags RamnarayanSQLFire RDBMSOracle, MySQL, Sybase, DB2, SQLServerPostGres RamnarayanVMware

http://www.infoq.com/jp/news/2011/06/VMware-vFabric-SQLFire

30

https://docs.oracle.com/cd/E23332_01/coh.

360/b61368/cache_rtwtwbra.htm

31

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DB

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DB

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DB

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CDP

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DB

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DB

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DB

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DB

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DB

CDP

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Q.

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47

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48

Cache-Aside

49

Cache-Aside

MVC Movie Azure Redis Cache 15 http://blogs.msdn.com/b/windowsazurej/archive/2014/06/18/blog-mvc-movie-app-with-azure-redis-cache-in-15-minutes.aspx

50

51

52

Web

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54

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or

55

56

Queue ?

57

Azure Redis Cache Cache-Aside

Queue

58

http://www.theregister.co.uk/2010/07/27/integrated_silicon_photonics/

59

Intel

60

61

?

62

63

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64

: Single-level store, Single-level storage, SLS () MulticsIBM System/38 AS/400 eServer iSeries System i Power Systems i Edition

DIMM SSD

65

66

ROM(FRAM)(MRAM) DRAMSRAM

http://e-words.jp/w/E4B88DE68FAEE799BAE383A1E383A2E383AA.html

Lets dream and then lets build. - Ray Ozzie

(@harutama) http://twitter.com/harutama