Java Eye Architecture

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The document discusses JavaEye, a popular Chinese technical blog. It describes the evolution of JavaEye's architecture over time from a single server running Ruby on Rails to a more complex distributed system with front-end web servers, backend application servers, a search server, database servers, and caching. It highlights the technologies used at each stage, including Lighttpd, Memcached, and search tools like Ferret and Lucene, and how caching improved performance by reducing SQL queries.

Technology

JavaEye

• 1U

•1 Web Server, 1 DB Server

• 2.6

• 3

Web Server

• AMD Opteron 2.4GHz *2

• 8G
• 146G SCSI

DB Server

• AMD Opteron 2.0GHz *2

• 4G
• 73G SCSI

IT

CSDN 260

JavaEye 74

ChinaUnix 73

Cnblogs 55

ITPUB 38

51CTO 23

infoq 8

0 75 150 225 300

IT

CSDN 260 3.5X
JavaEye 74

ChinaUnix 73

Cnblogs 55

ITPUB 38

51CTO 23

infoq 8

0 75 150 225 300

IT

CSDN 30+ Server 260 3.5X
JavaEye 74

ChinaUnix 73

Cnblogs 55

ITPUB 38

51CTO 23

infoq 8

0 75 150 225 300

IT

CSDN 30+ Server ASP.net 260 3.5X
JavaEye 74

ChinaUnix 73

Cnblogs 55

ITPUB 38

51CTO 23

infoq 8

0 75 150 225 300

IT

CSDN 30+ Server ASP.net 260 3.5X
JavaEye 74 2 Server
ChinaUnix 73

Cnblogs 55

ITPUB 38

51CTO 23

infoq 8

0 75 150 225 300

IT

CSDN 30+ Server ASP.net 260 3.5X
JavaEye 74 2 Server ruby
ChinaUnix 73

Cnblogs 55

ITPUB 38

51CTO 23

infoq 8

0 75 150 225 300

IT

CSDN 30+ Server ASP.net 260 3.5X
JavaEye 74 2 Server ruby
ChinaUnix 73 4+ Server
Cnblogs 55

ITPUB 38

51CTO 23

infoq 8

0 75 150 225 300

IT

CSDN 30+ Server ASP.net 260 3.5X
JavaEye 74 2 Server ruby
ChinaUnix 73 4+ Server PHP
Cnblogs 55

ITPUB 38

51CTO 23

infoq 8

0 75 150 225 300

IT

CSDN 30+ Server ASP.net 260 3.5X
JavaEye 74 2 Server ruby
ChinaUnix 73 4+ Server PHP
Cnblogs 55 4+ Server
ITPUB 38

51CTO 23

infoq 8

0 75 150 225 300

IT

CSDN 30+ Server ASP.net 260 3.5X
JavaEye 74 2 Server ruby
ChinaUnix 73 4+ Server PHP
Cnblogs 55 4+ Server ASP.net
ITPUB 38

51CTO 23

infoq 8

0 75 150 225 300

IT

CSDN 30+ Server ASP.net 260 3.5X
JavaEye 74 2 Server ruby
ChinaUnix 73 4+ Server PHP
Cnblogs 55 4+ Server ASP.net
ITPUB 38 PHP
51CTO 23

infoq 8

0 75 150 225 300

IT

CSDN 30+ Server ASP.net 260 3.5X
JavaEye 74 2 Server ruby
ChinaUnix 73 4+ Server PHP
Cnblogs 55 4+ Server ASP.net
ITPUB 38 PHP
51CTO 23

infoq 8 Java
0 75 150 225 300

2006.09

• lighttpd
• ruby 1.8.4, rails 1.1.2, fastcgi

• mysql5.0

Single Server

lighttpd

fastcgi(ruby)

mysql

Web Server DB Server

lighttpd

fastcgi(ruby) mysql

2007.02

• posts
• posts select count 30
0.1

posts

• posts(id, post_text_id,...) 50MB
• post_texts(id, body) 2GB

2007.03
•
• memcached CachedModel

•
• 240 sql query/s 140 sql query/s

• memcached 75%

Web Server DB Server

lighttpd

fastcgi(ruby) mysql

memcached

2008.01

• JavaEye
• cache_fu

• 84%

• sql query 50 /s

Web Server DB Server

lighttpd SearchServer
(lucene)
fastcgi(ruby) mysql

memcached

Web Server DB Server

lighttpd SearchServer
(lucene)
fastcgi(ruby) mysql

PDF Creating
memcached (ruby, C)

Web Server DB Server RSS/API

fastcgi(ruby)
lighttpd SearchServer
(lucene)
fastcgi(ruby) mysql

PDF Creating
memcached (ruby, C)
twitter sync

Web Server DB Server RSS/API

fastcgi(ruby)
lighttpd SearchServer
analytics (lucene)
fastcgi(ruby) mysql
PDF Creating
memcached (ruby, C)
twitter sync
DNS Server/Email Server/
NFS Server DNS Server/Email Server

Backgroud Server
Web Server fastcgi(ruby)
IM Server
lighttpd PDF Creating
SearchServer
fastcgi(ruby)
DB Server

memcached
mysql

JavaEye

• CachedModel+ QueryCache

• cache_fu
• cache_plugin
• cache_money*

CachedModel

• , Hibernate

•
• select * from post_texts where id = ?
• 75%

cache_fu
• cache_fu AR

•

• cache_fu memcached
84%

cache plugin

• Rails Cache 60

• n:1
1:n

• memcached 96%

JavaEye

• ruby db Web Server load
DB

• ruby

JavaEye

• memcached 96%

• cache get : sql query = 4 : 1

fastcgi json protocol SearchServer
(ruby) (java)
socket
long lived processes long lived threads

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Java Eye Architecture

1. JavaEye Robbin Fan

2. • JavaEye • JavaEye • JavaEye •

3. JavaEye

4. JavaEye • 1U •1 Web Server, 1 DB Server • 2.6 • 3

5. Web Server • AMD Opteron 2.4GHz *2 • 8G • 146G SCSI

6. DB Server • AMD Opteron 2.0GHz *2 • 4G • 73G SCSI

8. 150 /

9. JavaEye 10 20 RSS RSS 20 100

10.

11. ruby ......

12. Google Adplanner Data for JavaEye

13. Google Adplanner Data for JavaEye

14. IT CSDN 260 JavaEye 74 ChinaUnix 73 Cnblogs 55 ITPUB 38 51CTO 23 infoq 8 0 75 150 225 300

15. IT CSDN 260 3.5X JavaEye 74 ChinaUnix 73 Cnblogs 55 ITPUB 38 51CTO 23 infoq 8 0 75 150 225 300

16. IT CSDN 30+ Server 260 3.5X JavaEye 74 ChinaUnix 73 Cnblogs 55 ITPUB 38 51CTO 23 infoq 8 0 75 150 225 300

17. IT CSDN 30+ Server ASP.net 260 3.5X JavaEye 74 ChinaUnix 73 Cnblogs 55 ITPUB 38 51CTO 23 infoq 8 0 75 150 225 300

18. IT CSDN 30+ Server ASP.net 260 3.5X JavaEye 74 2 Server ChinaUnix 73 Cnblogs 55 ITPUB 38 51CTO 23 infoq 8 0 75 150 225 300

19. IT CSDN 30+ Server ASP.net 260 3.5X JavaEye 74 2 Server ruby ChinaUnix 73 Cnblogs 55 ITPUB 38 51CTO 23 infoq 8 0 75 150 225 300

20. IT CSDN 30+ Server ASP.net 260 3.5X JavaEye 74 2 Server ruby ChinaUnix 73 4+ Server Cnblogs 55 ITPUB 38 51CTO 23 infoq 8 0 75 150 225 300

21. IT CSDN 30+ Server ASP.net 260 3.5X JavaEye 74 2 Server ruby ChinaUnix 73 4+ Server PHP Cnblogs 55 ITPUB 38 51CTO 23 infoq 8 0 75 150 225 300

22. IT CSDN 30+ Server ASP.net 260 3.5X JavaEye 74 2 Server ruby ChinaUnix 73 4+ Server PHP Cnblogs 55 4+ Server ITPUB 38 51CTO 23 infoq 8 0 75 150 225 300

23. IT CSDN 30+ Server ASP.net 260 3.5X JavaEye 74 2 Server ruby ChinaUnix 73 4+ Server PHP Cnblogs 55 4+ Server ASP.net ITPUB 38 51CTO 23 infoq 8 0 75 150 225 300

24. IT CSDN 30+ Server ASP.net 260 3.5X JavaEye 74 2 Server ruby ChinaUnix 73 4+ Server PHP Cnblogs 55 4+ Server ASP.net ITPUB 38 PHP 51CTO 23 infoq 8 0 75 150 225 300

25. IT CSDN 30+ Server ASP.net 260 3.5X JavaEye 74 2 Server ruby ChinaUnix 73 4+ Server PHP Cnblogs 55 4+ Server ASP.net ITPUB 38 PHP 51CTO 23 infoq 8 Java 0 75 150 225 300

26. JavaEye

27. 2006.09 •1 • •

28. 2006.09 • lighttpd • ruby 1.8.4, rails 1.1.2, fastcgi • mysql5.0

29. Single Server lighttpd fastcgi(ruby) mysql

30. 2007.01 • 2 • web DB • IO

31. Web Server DB Server lighttpd fastcgi(ruby) mysql

32. 2007.02 • posts • posts select count 30 0.1

33. posts • posts(id, ..., body) • 2GB

34. posts • posts(id, post_text_id,...) 50MB • post_texts(id, body) 2GB

35. 2007.03 • • memcached CachedModel • • 240 sql query/s 140 sql query/s • memcached 75%

36. Web Server DB Server lighttpd fastcgi(ruby) mysql memcached

37. 2007.05 • •

38. 2007.09 • • ruby ferret •

39. 2008.01 • JavaEye • cache_fu • 84% • sql query 50 /s

40. 2008.05 • rmmseg-cpp

41. 2008.10 • cache plugin • 96%

42. 2008.10 • ferret • Java lucene • C/S

43. Web Server DB Server lighttpd SearchServer (lucene) fastcgi(ruby) mysql memcached

44. 2008.11 • PDF

45. Web Server DB Server lighttpd SearchServer (lucene) fastcgi(ruby) mysql PDF Creating memcached (ruby, C)

46. 2009.03 • SNS feed • twitter • API

47. Web Server DB Server RSS/API fastcgi(ruby) lighttpd SearchServer (lucene) fastcgi(ruby) mysql PDF Creating memcached (ruby, C) twitter sync

48. 2009.03 • Google Analytics •

49. Web Server DB Server RSS/API fastcgi(ruby) lighttpd SearchServer analytics (lucene) fastcgi(ruby) mysql PDF Creating memcached (ruby, C) twitter sync DNS Server/Email Server/ NFS Server DNS Server/Email Server

50. 2009.12 • Web IM • •

51. Backgroud Server Web Server fastcgi(ruby) IM Server lighttpd PDF Creating SearchServer fastcgi(ruby) DB Server memcached mysql

52. JavaEye • CachedModel+ QueryCache • cache_fu • cache_plugin • cache_money*

53. • • • • page cache • frgment cache

54. • • n • ORM

55. • Web • IO •

56.

57.

58. CachedModel • , Hibernate • • select * from post_texts where id = ? • 75%

59.

60.

61. CachedModel • AR ﬁnd_by_sql • •

62. cache_fu • cache_fu AR • • cache_fu memcached 84%

63. cache plugin • Rails Cache 60 • n:1 1:n • memcached 96%

64. memcached

65. memcached

66. cache_money • twitter • ruby cache •

67. • JavaEye • • ruby

68. JavaEye • ruby db Web Server load DB • ruby

69. ruby • ruby • erb • • ruby

70. post post html

71. post post html

72. JavaEye • memcached 96% • cache get : sql query = 4 : 1

73. JavaEye • ferret • ferret+rmmseg-cpp •

74. • ferret+rmmseg • ferret

75. fastcgi json protocol SearchServer (ruby) (java) socket long lived processes long lived threads

76. • DNS • Web Server • ruby

77.

78.

79. Thank you!

Java Eye Architecture

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