How to improve JPA performance by 1,825%
The Java Persistence API (JPA) provides a rich persistence architecture. JPA hides much of the low level dull-drum of database access, freeing the application developer from worrying about the database, and allowing them to concentrate on developing the application. However, this abstraction can lead to poor performance, if the application programmer does not consider how their implementation affe
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先週書ã„ãŸã‚¨ãƒ³ãƒˆãƒªJava EE6標準ã®ç¯„囲ã§ãƒ•ãƒ«ã‚¹ã‚¿ãƒƒã‚¯ã®WebアプリケーションãŒç°¡å˜ã«ä½œæˆã§ãã‚‹ã“ã¨ã‚’確ã‹ã‚ã¦ã¿ã¾ã—ãŸã€‚ - é”人プãƒã‚°ãƒ©ãƒžãƒ¼ã‚’目指ã—ã¦ã§ã€Java EE6ã®æ¨™æº–仕様を使ã†ã ã‘ã§ã€ã‹ãªã‚Šã‚·ãƒ³ãƒ—ルã«ãƒ‡ãƒ¼ã‚¿ã®CRUD処ç†ã‚’è¡Œã†ã‚¢ãƒ—リケーションãŒä½œæˆã§ãã‚‹ã“ã¨ã‚’紹介ã—ã¾ã—ãŸã€‚ãŸã ã—ã€å‰å›žã¯å…¨ä½“ã®ã‚¢ãƒ—リケーションを紹介ã—ãŸã ã‘ãªã®ã§ã€ç´°ã‹ã„仕掛ã‘ã«ã¤ã„ã¦ã¯è§£èª¬ã—ãã‚Œã¾ã›ã‚“ã§ã—ãŸã€‚今回ã¯ã€å‰å›žã«å¼•ã続ã特ã«JPAを使ã£ãŸãƒ‡ãƒ¼ã‚¿ãƒ™ãƒ¼ã‚¹ã‚¢ã‚¯ã‚»ã‚¹ã®éƒ¨åˆ†ãŒã©ã†ãªã£ã¦ã„ã‚‹ã®ã‹ã‚’ã‚‚ã†å°‘ã—掘り下ã’ã¦è§£èª¬ã—ã¦ã¿ãŸã„ã¨æ€ã„ã¾ã™ã€‚ ãªãŠã€ã“ã®å ´ã§å®£ä¼ã§ã™ãŒã€8月10日（水）ã«Glassfishユーザーグループã®å‹‰å¼·ä¼šã«ã¦ãŠè©±ã‚’ã•ã›ã¦ã„ãŸã ãã“ã¨ã«ãªã‚Šã¾ã—ãŸã€‚ GlassFish Japan Users Group 勉強会 2011 Summer : ATND ç§ã¯Java EE6を使ã£ãŸé–‹ç™ºã«ã¤ã„ã¦
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