Mais conteúdo relacionado Semelhante a Blogopolisの裏側 (20) Blogopolisの裏側12. OS
Xen Server (4 CPUs)
CentOS 5.3
Web
DB
Apache
RAM: 512MB MySQL
RAM: 4GB
mod_proxy_balancer
AP AP
Tomcat Tomcat Solr
RAM: 3.2GB RAM: 3.2GB RAM: 1.5GB
13. Java * 359 30,000
AS3 73 6,000
432 36,000
* TopHatenar 2009/9/8
14. 23
30
430
105
9GB (dump)
2009/9/8
19. IT business ...
id:higayasuo 333 302 386
id:fromdusktildawn 1301 68 2077
id:kawango 634 266 18
22. K-means
•
IT business ...
p0 id:higayasuo 333 302 386
p1 id:fromdusktildawn 1301 68 2077
p2 id:kawango 634 266 18
27. •
• Additively Weighted Voronoi Diagram
• Additively Weighted Power Voronoi Diagram
48. • ID, ,
→ 100MB
•
ID
•
49. GNU Trove
•
‣ ex. TIntArrayList, TIntHashSet,
TIntDoubleHashMap
•
•
http://trove4j.sourceforge.net/
50. 100 put
java.util.HashMap<Integer, Integer>
gnu.trove.TIntIntHashMap
Memory (MB)
0 20 40 60 80
Speed (ms)
0 200 400 600 800 1,000 1,200
56. Cubby
•
•
Forward, Redirect, JSON, etc
Plain Text, Image, Permanent Redirect
jQuery Autocomplete SEO
57. Struts Cubby
Struts
Web
Cubby
http://d.hatena.ne.jp/higayasuo/20080106/1199620097
63. Solr
•
‣
‣
• CJKAnalyzer bi-gram
• URL
• MySQL
64. •
‣ 63MB
‣ 1.6GB
• ms
67. •
• UI
• S2Flex2, Cubby, S2JDBC, Apache Solr