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Blogopolisの裏側
- 1. logopolis
- 2. • • http://d.hatena.ne.jp/kaiseh/ • S2Swing • Subversion 2
- 3. Blogopolis
- 4. Blogopolis
- 6. PageRank
- 7. 1 * 1 * 1 * 1 *
- 8. UI
- 9. UI
- 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
- 16. 1. 2. 3. 2
- 19. IT business ... id:higayasuo 333 302 386 id:fromdusktildawn 1301 68 2077 id:kawango 634 266 18
- 20. K-means • • •
- 21. • • •
- 22. K-means • IT business ... p0 id:higayasuo 333 302 386 p1 id:fromdusktildawn 1301 68 2077 p2 id:kawango 634 266 18
- 23. • K-means IT business
- 27. • • Additively Weighted Voronoi Diagram • Additively Weighted Power Voronoi Diagram
- 28. Centroidal Voronoi Tessellation with Additively Weighted Power Voronoi Diagram http://www.vimeo.com/6551478
- 29. Voronoi Treemap
- 30. Voronoi Treemap
- 31. Voronoi Treemap
- 32. Voronoi Treemap
- 33. Voronoi Treemap
- 34. Voronoi Treemap
- 35. • • java.awt.geom • Flash •
- 36. 3D
- 37. Papervision3D • AS3 Flash 3D • • QuadTree ‣ http://code.google.com/p/papervision3d/
- 38. 3D • 3D •
- 39. • • Wikipedia
- 43. (4)
- 44. (5)
- 47. (0, 0) + + + 3D
- 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
- 51. Ehcache • • JCache (JSR 107) • Blogopolis ‣ 66 TopHatenar 90 http://ehcache.org/
- 53. S2Flex2 • AMF3 • Flex 3 • Java AS3 POJO Service • BlazeDS
- 54. ByteArray (Flex) • • ZLIB •
- 55. Web Cubby
- 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
- 58. S2JDBC
- 59. S2JDBC jdbcManager.from(RegionImage.class) .where(”zoom = ? and x = ? and y = ?”, zoom, x, y) .getSingleResult();
- 60. S2JDBC • ‣ 1 SQL • ‣ SQL
- 61. Apache Solr
- 62. Apache Solr • Java • Apache Lucene • HTTP API • http://lucene.apache.org/solr/
- 63. Solr • ‣ ‣ • CJKAnalyzer bi-gram • URL • MySQL
- 64. • ‣ 63MB ‣ 1.6GB • ms
- 65. Solr • Lucene •
- 67. • • UI • S2Flex2, Cubby, S2JDBC, Apache Solr
- 68. • → • •
- 69. Blogopolis OSS