2008-12-01ãã1ã¶æéã®è¨äºä¸è¦§
ã¾ã 帰çãã¨ããã çµå±ããããµã«ã¯è¡ããªãã£ãã èµ·ãããããéã«åããªãã£ãã ã¾ã å¹´è³ç¶æ¸ãã¨ããã å³æå ¥ãã®å¹´è³ã¯ããã¯è²·ã£ã¦ããã ã¾ã 大æé¤ãã¨ããã ãã¿å±æ·ãããã ãã¨ãã¨ãã³ãã¼ã«ããåºãã¦ãªããã®ãå¤ããã3ã¤ããæ£ã¯çµã¿â¦
ãããªã«å¼¾ããªãããã ä¼ã¿ã®éã«å¼¾ããã¡ããã¦ããã ã¯ã©ã·ãã¯ã®ã¿ã¼ãå¼¾ãã¦ã ã¦ã¯ã¬ã¬ãå¼¾ãã ããï¼ ã¯ã©ã·ãã¯ã®ã¿ã¼ãå¼¾ãã¦ã ã¦ã¯ã¬ã¬ãå¼¾ãã ããã¯ãããªã太ãã®ããããªãç´°ãã®ã¸ã¨ã ãªãã¨å¼¾ãã«ããçµã¿åãããªãã ããã ãã£ã±ãâ¦
30æ¥ã«ããããµã«ãããããããããã®ãã ã¯ã£ãããã¦ãªãã ã¾ãããããã ã©ã£ã¡ãåãããªããã©ãæ±äº¬ã«æ®ã£ã¦ãããã ãããã大æ¦æ¥ã«ç§»åããªï¼ å¹´æãã¦ãã移åããªï¼ ã©ããèªç±å¸ãªãããã
Microsoft Officeã«ãã¿ã¹ã¯ç®¡çã¯ããã Tracã®ã¿ã¹ã¯ç®¡çãããã Remember The Milkã®ãããªã¿ã¹ã¯ç®¡çãããã ã¾ãã¿ã¹ã¯ç®¡çã¨ã¹ã±ã¸ã¥ã¼ã«ç®¡çã¯ä¼¼ããããªããã ã£ããããããRemember The Milkã§ã¿ã¹ã¯ç®¡çãããã¨ããæã¯ãProã¢ã«ã¦ã³ãè²»ç¨ãâ¦
ã¯ã©ã·ãã¯ã®ã¿ã¼ã®ããã¯ããã¾ãã«ãæ±ãã®ã§ã 弦ã®å¼µæ¿ããã¦ã綺éºã«ãã¦ã¿ãã 弦ã®å¼µãæ¹ã¯èªå·±æµã ãããããé³ãé³´ãã°ã è³ã§é³ãåãããããªãã®ã§ã ãã¥ã¼ãã¼ã使ãã 使ãåã«ãã¡å ã§ç¬ä½¿ã£ã¦åããã¦ã¿ããã©ã ã¦ãã§éãã å¼¾ããªããâ¦
åãéä¸ãããã¯ã¤ããã¼ãã«æ¸ãå§ããã å¹´é½¢ã表ã縦軸ã ãã®å³ã«ã¯åå(nå¹´ç®)ãæ¸ãã 社å¡ã¨ååè ããã®åºå¥ã¯ãªãã åè·ã®å¹´æ°ãm+nå¹´ç®ã§è¡¨ãã å½¹è·ã¯æ¸ããªãã 課é·ãé¨é·ã«ãæ¸ãã¦ãããã ä¸ã®å¹´é½¢ã®äººã¯æ¸ãã®ãå«ããã ãããªã¨ãã¯ãâ¦
大ãããã®ã§ã¯ãªãã 親ã¹ã¬ãã1ã¤ã«å¯¾ãã¦ã åã¹ã¬ãã5ã¤ã®æ§æã§ã 親ã¹ã¬ããã9ã¤ä½ã£ã¦åããã 親ã¹ã¬ããã¯ãèªèº«ãåããåã¹ã¬ãããjoinå¾ ã¡ã ååã¹ã¬ããã¯30MBã®ãã¡ã¤ã«ãã²ãããreadLineã ã¯ã£ããè¨ã£ã¦æå³ã®ããã³ã¼ããããªãã â¦
ããå年以ä¸åãããã½ã³ã³ã®è²·ãæ¿ãã å£ã«åºãã¦ãããã ãè¸ãåããã¤ããªãã ãã6å¹´åã使ã£ã¦ããã½ã³ã³ã ã¾ããã¡ãã¡ã¨èãåºããã éã®ä½¿ãéåè£ã 1.æ ª å£åº§ãéè¨ãããã¨ã æºæ³å¾´åãªç¹å®å£åº§ã¯é¸æããã«ã 確å®ç³åãè¦ããã æ ªå¸é»â¦
ã¯ãªã¹ãã¹ä¼ã«è¡ã£ã¦ããã é³æ¥½ã¨ããã¾ã飯ã¨ãã³ã¹ãã¬ãããä¼ã å½¹å²ã¯ãä»äººã®ã«ã¡ã©ã§ã®æ®å½±ã å¥ã«æ®å½±ä¼ã§ã¯ãªããåæã«æ®ãã ãããªããåãã¯ãã£ã¨ã¦ã¯ã¬ã¬ã®æ¼å¥ä¼ããã£ãããã£ã¦ããããªããã åçªæã®åº§ã¯ããã«å¥ªãããããã ããããâ¦
ææ¥ã®æºåã ãã¬ã¼ã³ãã¨ã¦ã¯ã¬ã¬ãã¦ã¯ã¬ã¬ã御è¶ãæ°´ã§è²·ã£ã¦ã 大æçºã§ãã¬ã¼ã³ãè²·ãã¤ããã åæ¥ç¥ã¯å®ä¼æ¥ãã£ã¦ã ããããªãæ°å®¿ã«è¡ã£ã¦ã è²·ã£ãå¾ã«ã¯ã³ã³ã¿ã¯ããè²·ãã«è¡ã£ãã ãã®ãããéã«è¿·ã£ãã 大æçºã§è¿·ã£ãã safariã§èª¿ã¹ãåºâ¦
ããæ°æ¥ããã£ãããããªãã£ãã®ã ããã©ã ãªãã¨ããªããããªã¨ãã¾ã§æ¥ãã£ã½ãã åç´ã«ãåãXMLã«å¼±ãã®ã¨ãJAX-RPCã ã¨ããJAX-WSã®ä»æ§ã¨ä½¿ç¨æ¹æ³ãçç¥ãã¦ãªãã£ãã ãããã ãã¾ã ã¾ã ãããã³ããªã ä¸ã¤ã ãæ°ã«ãªãã®ã¯ãWebSphereã§ã¯ã¤ã±â¦
ãã¡ãã¨ãããã¡ããæ°éä¼æ¥ã§ããã©ãæ¼é£è£å©ããããã¾ãã ãã¬ãã§ã¯ãæ°éä¼æ¥ã«ã¯ãªãã¨è¨ã£ã¦ã¾ããããã¾ãä¸å°ä¼æ¥ã«ã¯ãªããã ãããªãä¸å ´ä¼æ¥ã§ãããã¨ããã¯å°ãªãã ããã¨æããé£å ããããã§ããã é£å ãã£ã¦ãä½ä¾¡æ ¼ã¨ã¯è¨ãã¾ããã â¦
ããããã 3人ã§é¢åè¦ã¦ãããããã åå¼·ããã£ã¤ã¼ãè¦æãè¨ãä¼ã«è¿ãã£ããã©ã å è¦ãããªãã£ããã å é¨çãªåãã®è©±ãèããã å é¨çãªåãã£ã¦ã®ã¯ã ããã°ã©ã ã®ãã¨ã ãã©ã ä½ç¨®é¡ãã®è¨èªãã¾ãã£ã¦ãããã ã ãããããã¨ãèãã¨ã èªâ¦
ä½åãé¦ããããã¦ãã¾ã£ãã binã¨classesãããã ãã¡ããã¯classesã«åºåãã¦ãããã ã .projectãè¦ãã¨ã./propertiesãkind=srcã ã ./properties/log4j.xmlã¨ãã binãã©ã«ãã§javaã³ãã³ããã-jarä»ãã§åããéã«ã doctypeã®ã¨ããã«systemã§â¦
WebSphereã§åãã¦ãããããã WebLogicã§åãããã¨ãã¨ãã¾ãã Web Serviceã¨WorkManagerã ããã¤ãããåãã°ãã¶ããããã ä»ã¯Web Serviceã§é æ«ä¸ã ãªããããã¾ã¾ã§ããWebSphereã§åãã¨ã£ããªããã¨æããã¨ã©ã¼ãåºã¦ãã¾ãã web.xmlã«æ¸ãâ¦
åã®å¨ãã®çµå©ãã¦ã奴ãã«è²·ããããæ ªä¸»åªå¾ ããããã³ã³ã»ããã¯ãæ ªä¸»åªå¾ ã§é£è²»ããããããããã£ã±ãç±³ã§ããã æè³ã¯5000åã§ãããã ããã§åä½æ ªè²·ãããã¸ã§ã¤ãªã¼ã°ã«ã¼ããã¼ã«ãã£ã³ã°ã¹ãè²·ãï¼ãã£ã¨ã¯ãºæ ªã ãã©ãåªå¾ ç®çã§æ°¸ç¶ä¿æãâ¦
ãã¾ãèããã«ã¡ã¼ã«ãè¿ä¿¡ããããã§ã ãããªã¹ãã¨ãã¦åå ããã®ãããããã æè¿ã¯çªè²«ã®ä»äºãç¶ãã¦ãã®ã§ã ãã°ãããã®FWãããã£ã¦ãªããã ãã¼ã«ã使ã£ã¦ãªããã IDEã使ã£ã¦ãªãã£ããããã ãªã¤ãªã¤ããããªãã§ããããã®ãï¼ã¨ä¸å®ãåâ¦
æã®æ¥è¨ã«æ¸ãããã¨ãå«ãã¦å度ã¾ã¨ãã¦ã¿ãã J2EEç°å¢ã§ã¯ãã³ãã¯ã·ã§ã³ã©ããã¼ã§ã¯ãªããå®éã®Oracleã³ãã¯ã·ã§ã³ãåãåºããã¨ãå¿ è¦ã ããã¯ãOracleã®Arrayãä½ãåºãã®ã«é¿ãã¦ã¯éããªãã iBATISã§ãªãTypeHandlerãå®è£ ãã¦ãä¸é£ã®ãã¨ãâ¦
Oracleã®ã°ãã¼ããªã¼ã¼ã·ã§ã³ã»ãµãã¼ãã調ã¹ã¦ãã JDBCéçºè ã¬ã¤ãããã³ãªãã¡ã¬ã³ã¹ã®ä»ã«ãã°ãã¼ããªã¼ã¼ã·ã§ã³ã«é¢ããããã¥ã¢ã«ãå¿ èªã ã 10g以éã¯orai18n.jarã使ãã thin driverã«ã¯NLS_LANGã¯é¢ä¿ãªãã ãã©ã¤ãã¨ãµã¼ãéã¯UTF-8ã§ããâ¦
ãã¾ãåºç¤çãªæ§è½ã«è©³ãããªããã TPSã£ã¦ã©ããããã妥å½ã ãããï¼ã¨ çåãæãã¦ããã ãããã3ç§ã«ã¼ã«ã¯ãä½TPSãªãã ããã¨ã ã©ããã§æ¢ãã°CPUã¨é¢é£ãã¦ã®åºç¤æ§è½ããããã ãããªã ã³ã¢ãããã®TPSã£ã¦ã®ãå¿ããªãã§ãããã 100TPSããâ¦
å®åã§åãSQLãã¥ã¼ãã³ã°ããããã¨ã¯ãã£ã¨ãã®å ã¯ãªãã ããã¨æãã ããã¯çµé¨ã大äºã ã ç ä¿®ã§ã¯å¿ãã¦ãã¾ãã æåä½é¨ãããã®ãããã ä»åãä»ã®äººããã¥ã¼ãã³ã°ããããã®ã ãã ã©ããããã¨ããã£ã¦ããã®ãã æ¼ ç¶ã¨ã§ã¯ãããåãã£ããâ¦
Javaã«ãããã¹ã¬ããããã°ã©ãã³ã°ã ã³ã¢ã®æ°ããªã©ã¯ã«ã®SQLçµéæéã ãªã©ã¯ã«ã®ãã©ã¬ã«ãã³ãã Javaã§ã®è¦ªã¹ã¬ãããåãåºãã åã¹ã¬ãããè¤æ°èµ·åã ã¹ã¬ããã表ã横ç·ãå¢ããã ã³ã¢ã®æ°ã«å¶éãããã®ã§ãåæã«åãã¦ãã¹ã¬ããã¯å¶éããâ¦
ããã¾ã§IPCã¨ãããããã³ã«ããOracleã®ãªã¹ãã¼ã®è¨å®ã§çºããæ©ä¼ã¯ãã£ãããã©ããããã®ãç¥ããªãã§ããã ã©ããããã¼ã«ã«ãã¹ãã«æ¥ç¶ããã®ã«åãã¦ããããããIPCã¯OCIãã©ã¤ãã§ãã使ããªãããã§ããã JDBC OCIãã©ã¤ã=JDBCãã©ã¤ãType2â¦
åæãæã¾ã§HP社ã®ãã«ã«ãã¦ã æ¼é ã«å®¶ã«ã¤ãã¦ã風åã 風åã§ããè»çªªã«åºæã㦠髪ãåã£ã¦ãããã ã¢ã«ã«ã¤ãã¨ããæ°ãã表ç¾ããã ãã ãã®ãã¨ç¥ãåããè¨ã£ã¦ã äºèã¨ããã©ã¼ã¡ã³å±ã§é£ã¹ã ããã風éªå¼ããã£ã½ããã¨å¯è¾¼ã¿ã æ¥æã®å¤æ¹â¦
ä»é±ã¯å®¶ã«å± ãæéãçãã§ããä»ã¯å¸ã¶è°·ã«ããã¾ããããDBã¢ã¯ã»ã¹ããFile I/Oãã¤ã¾ãã¯ãªã½ã¼ã¹ã«è²»ããæéãåã£ã¦æ¬²ããã¨ãããªã¼ãã¼ãåãã¦ãã¢ããªã¸ã®ãã°ã®åãè¾¼ã¿ã¯ãã£ã¦ããã£ããã§ããããã®è¨æ¸¬ã¨éè¨ããã£ã¦ããã¾ãããããéãâ¦