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Performance Tips In Rails Development
- 1. Performance tips in rails development [email_address]
- 3. select * temporary table :select belongs_to, has_many
- 5. text, blob blogs: id, title, content temporary table blogs: id, title, content_id contents: id, content memcached
- 7. db:migrate t.column "title", :string varchar(255) :limit
- 9. update @article.update_attributes(params[:article]) @article.update_attributes(:title => "#{params[:article][:title]}", :author => "#{params[:article][:author]}")
- 11. join :include, :joins mysql> SELECT * FROM tag -> JOIN tag_post ON tag_post.tag_id=tag.id -> JOIN post ON tag_post.post_id=post.id -> WHERE tag.tag='mysql'; mysql> SELECT * FROM tag WHERE tag='mysql'; mysql> SELECT * FROM tag_post WHERE tag_id=1234; mysql> SELECT * FROM post WHERE post.id in (123,456,567,9098,8904); High.Performance.MySQL.Second.Edition, p159
- 13. IN vs OR SELECT * FROM wp_posts WHERE post_author IN ( 1, 2, 3, 4, 5, 6, 7, 8, 9 ) SELECT * FROM wp_posts WHERE post_author = 1 OR post_author = 2 OR post_author = 3 OR post_author = 4 OR post_author = 5 OR post_author = 6 OR post_author = 7 OR post_author = 8 OR post_author = 9 http://www.webmastersbydesign.com/2008/07/13/sql-speed-test-in-vs-or/
- 17. session store file db memcached CookieStore, Rails 2.0 http://izumi.plan99.net/blog/index.php/2007/11/25/rails-20-cookie-session-store-and-security/
- 19. memcached memcache-client cache_fu cache-money, Write-Through http://github.com/nkallen/cache-money/tree/master key
- 21. Tools newrelic_rpm request-log-analyzer http://github.com/wvanbergen/request-log-analyzer/tree/master rawk http://rubyforge.org/projects/rawk-the-logs/ railsbench http://rubyforge.org/projects/railsbench
- 22. THANK YOU :)