锘??xml version="1.0" encoding="utf-8" standalone="yes"?>亚洲中文字幕无码久久综合网,亚洲A∨午夜成人片精品网站,国产亚洲av片在线观看16女人 http://www.tkk7.com/tfzhu/category/45706.html姣忓ぉ榪涙涓鐐圭偣錛?/description>zh-cn Sun, 25 Jul 2010 13:35:36 GMT Sun, 25 Jul 2010 13:35:36 GMT 60 WebLogic JDBC-JDBC 浜嬪姟 http://www.tkk7.com/tfzhu/archive/2010/07/25/327094.html鏂偣 鏂偣 Sun, 25 Jul 2010 13:18:00 GMT http://www.tkk7.com/tfzhu/archive/2010/07/25/327094.html http://www.tkk7.com/tfzhu/comments/327094.html http://www.tkk7.com/tfzhu/archive/2010/07/25/327094.html#Feedback 0 http://www.tkk7.com/tfzhu/comments/commentRss/327094.html http://www.tkk7.com/tfzhu/services/trackbacks/327094.html 1銆佸綋澶勭悊澶氫釜璁塊棶鐩稿悓鏁版嵁鐨勭敤鎴鋒椂錛岄氬父鍙兘鍑虹幇涓夌闂:
鑴忚
褰撳簲鐢ㄧ▼搴忎嬌鐢ㄤ簡琚彟涓涓簲鐢ㄧ▼搴忎慨鏀硅繃鐨勬暟鎹紝鑰岃繖涓暟鎹浜庢湭鎻愪氦鐘舵佹椂錛屽氨浼氬彂鐢熻剰璇匯傜浜屼釜搴旂敤紼嬪簭闅忓悗浼氳姹傚洖婊氳鍏朵慨鏀圭殑鏁版嵁銆傜涓涓簨鍔′嬌鐢ㄧ殑鏁版嵁灝變細琚崯鍧忥紝鎴栬?#8220;鍙樿剰”銆?br />
涓嶅彲閲嶅鐨勮
褰撲竴涓簨鍔¤幏寰椾簡鏁版嵁錛岃岃鏁版嵁闅忓悗琚竴涓崟鐙殑浜嬪姟鎵鏇存敼鏃訛紝鑻ョ涓涓簨鍔″啀嬈¤鍙栨洿鏀瑰悗鐨勬暟鎹紝灝變細鍙戠敓涓嶅彲閲嶅鐨勮銆傝繖鏍鳳紝絎竴涓簨鍔¤繘琛屼簡涓涓笉鍙噸澶嶇殑璇匯?br />
铏氳
褰撲簨鍔¢氳繃鏌愮鏌ヨ鑾峰彇浜嗘暟鎹紝鍙︿竴涓簨鍔′慨鏀逛簡閮ㄥ垎璇ユ暟鎹紝鍘熸潵鐨勪簨鍔$浜屾鑾峰彇璇ユ暟鎹椂錛屽氨浼氬彂鐢熻櫄璇匯傜涓涓簨鍔$幇鍦ㄤ細鏈変笉鍚岀殑緇撴灉闆嗭紝瀹冨彲鑳藉寘鍚櫄璇匯?/span>
2銆丣ava.sql.Connection鎺ュ彛瀹氫箟鐨勯殧紱葷駭鍒?/span>
TRANSACTION_NONE 璇存槑涓嶆敮鎸佷簨鍔?br />
TRANSACTION_READ_UNCOMMITTED 璇存槑鍦ㄦ彁浜ゅ墠涓涓簨鍔″彲浠ョ湅鍒板彟涓涓簨鍔$殑鍙樺寲銆傝繖鏍瘋剰璇匯佷笉鍙噸澶嶇殑璇誨拰铏氳閮芥槸鍏佽鐨勩?br />
TRANSACTION_READ_COMMITTED 璇存槑璇誨彇鏈彁浜ょ殑鏁版嵁鏄笉鍏佽鐨勩傝繖涓駭鍒粛鐒跺厑璁鎬笉鍙噸澶嶇殑璇誨拰铏氳浜х敓銆?br />
TRANSACTION_REPEATABLE_READ 璇存槑浜嬪姟淇濊瘉鑳藉鍐嶆璇誨彇鐩稿悓鐨勬暟鎹屼笉浼氬け璐ワ紝浣嗚櫄璇諱粛鐒朵細鍑虹幇銆?br />
TRANSACTION_SERIALIZABLE 鏄渶楂樼殑浜嬪姟綰у埆錛屽畠闃叉鑴忚銆佷笉鍙噸澶嶇殑璇誨拰铏氳銆?
3銆佷簨鍔$殑闅旂綰у埆
鍦↗2EE涓紝閫氳繃java.sql.Connection鎺ュ彛璁劇疆浜嬪姟闅旂綰у埆錛岃繖涓鎺ュ彛涓鴻繛鎺ョ殑闅旂綰у埆鎻愪緵浜唃etter()鍜宻etter()
Int getTransactionIsolation() throws SQLException
void setTransactionIsolation() throws SQLException
Connection瀵硅薄璐熻矗浜嬪姟錛屼竴鏃︽敹鍒頒簨鍔¤姹傦紝浜嬪姟灝嗚嚜鍔ㄦ彁浜わ紝鍥犱負Connection瀵硅薄宸插畾涔変負鑷姩鎻愪氦鏂瑰紡錛屽彲閫氳繃setAutoCommit(false)紱佺敤鑷姩鎻愪氦妯″紡
鍙﹀java.sql.DatabaseMetaData鎺ュ彛涓烘暟鎹瓨鍌ㄦ彁渚涙敮鎸佺殑闅旂綰у埆鏌ユ壘鏂規硶錛歡etTransactionIsolation(),supportsTransactionIsolationLevel()
瀵瑰涓簱鎿嶄綔鐨勫垎甯冨紡浜嬪姟蹇呴』鍦ㄦ墍鏈夊簱涓墽琛屽悓涓涓殧紱葷駭鍒紝鍚﹀垯浼氬嚭鐜版剰鎯充笉鍒扮殑緇撴灉
4銆佷簨鍔℃彁浜ゅ拰鍥炴粴
涓轟簡瀹屾垚鎻愪氦浜嬪姟鍜屽洖婊氫簨鍔★紝JDBC API鍖呮嫭浜嗕袱涓柟娉曚綔涓?Connection 鎺ュ彛鐨勪竴閮ㄥ垎銆傝嫢灝?Connection 瀵硅薄鍚嶇О鎸囧畾涓?con錛岄氳繃璋冪敤 con.commit(); 鍙互淇濆瓨紼嬪簭鐘舵侊紱
閫氳繃璋冪敤 con.rollback(); 鍙互榪斿洖鍒頒互鍓嶄繚瀛樼殑鐘舵併傚鏋滄暟鎹簱瀹為檯榪愯鎿嶄綔鏃舵湁閿欒鍙戠敓錛岃繖涓や釜鏂規硶閮戒細鎶涘嚭 SQLExceptions錛屾墍浠ユ偍闇瑕佸湪 try ... catch 鍧椾腑鍖呰 瀹冧滑銆?/span>
5銆佹壒澶勭悊鍜屼簨鍔?/span>
緙虹渷鎯呭喌涓嬶紝JDBC 椹卞姩紼嬪簭榪愯鍦ㄨ縐頒負鑷姩鎻愪氦鐨勬ā寮忎笅,鍙鐢ㄨ嚜鍔ㄦ彁浜ゆā寮?br />
con.setAutoCommit(false);
鎵瑰鐞嗘搷浣滀腑閫氳繃鍦ㄤ竴嬈″崟鐙殑鎿嶄綔錛堟垨鎵瑰鐞嗭級涓墽琛屽涓暟鎹簱鏇存柊鎿嶄綔
{con.setAutoCommit(false) ;
Statement stmt = connection.createStatement() ; stmt.addBatch("INSERT INTO people VALUES('Joe Jackson', 0.325, 25, 105) ; stmt.addBatch("INSERT INTO people
VALUES('Jim Jackson', 0.349, 18, 99) ; stmt.addBatch("INSERT INTO people VALUES('Jack Jackson', 0.295, 15, 84) ;
int[] updateCounts = stmt.executeBatch() ; con.commit() ;
]]>WebLogic JDBC-WLS JDBC鐨勭鐞?/title> http://www.tkk7.com/tfzhu/archive/2010/07/25/327093.html鏂偣 鏂偣 Sun, 25 Jul 2010 13:16:00 GMT http://www.tkk7.com/tfzhu/archive/2010/07/25/327093.html http://www.tkk7.com/tfzhu/comments/327093.html http://www.tkk7.com/tfzhu/archive/2010/07/25/327093.html#Feedback 0 http://www.tkk7.com/tfzhu/comments/commentRss/327093.html http://www.tkk7.com/tfzhu/services/trackbacks/327093.html Initial Capacity錛氭睜鐨勮繛鎺ユ暟閲忥紝鍦ㄥ惎鍔ㄦ椂鍒涘緩
Maximun Capacity錛氳繖鏄睜鍙互鎵撳紑鐨勮繛鎺ョ殑鏈澶ф暟閲?br />
Capacity Increment錛氭垚緇勫湴鎵撳紑澧為噺榪炴帴
Login Delay Seconds錛氭睜椹卞姩紼嬪簭鍦ㄥ惎鍔ㄦ椂鎵撳紑姣忎竴涓柊鐨勮繛鎺ラ渶瑕佺瓑寰呯殑鏃墮棿
Refresh Period(鍒鋒柊鍛ㄦ湡)
Supports Local Transaction錛氬彧鐢ㄤ簬XA榪炴帴姹?br />
Allow Shrinking and Shrink Period(鍏佽鏀剁緝鍜屾敹緙╂湡)錛氬鏋滄睜鐨勬暟閲忓お澶э紝瓚呰繃浜嗗垵濮嬶紝涓斿鏋滀換浣曚竴涓繛鎺ュ湪鏀剁緝鏈熷唴絀洪棽錛岄偅涔堢┖闂茬殑榪炴帴灝嗗湪鏀剁緝鏈熸湯鍏抽棴
鐩戞帶JDBC榪炴帴姹狅細
Waiters Hight瀛楁鎸囨槑浜嗘渶澶氭湁澶氬皯瀹㈡埛絳夊緟鏁版嵁搴撹繛鎺?br />
Waiters瀛楁鍛婅瘔浣犲綋鍓嶆湁澶氬皯瀹㈡埛姝e湪絳夊緟榪炴帴
Connections Hight瀛楁緇欏嚭鏈澶х殑騫跺彂榪炴帴鏁般?br />
Wait Seconds Hight瀛楁鏄劇ず浜嗗鎴風瓑寰呮暟鎹簱榪炴帴鐨勬渶闀挎椂闂?br />
]]> WebLogic JDBC-JDBC Connection http://www.tkk7.com/tfzhu/archive/2010/07/25/327092.html鏂偣 鏂偣 Sun, 25 Jul 2010 13:13:00 GMT http://www.tkk7.com/tfzhu/archive/2010/07/25/327092.html http://www.tkk7.com/tfzhu/comments/327092.html http://www.tkk7.com/tfzhu/archive/2010/07/25/327092.html#Feedback 0 http://www.tkk7.com/tfzhu/comments/commentRss/327092.html http://www.tkk7.com/tfzhu/services/trackbacks/327092.html 1銆佽繛鎺ワ細
鐩存帴榪炴帴(direct connection)
姹犺繛鎺?pooled connection)
榪炴帴澶嶇敤 ,閬垮厤浜嗘暟鎹簱榪炴帴棰戠箒寤虹珛銆佸叧闂殑寮閿 錛?br />
瀵笿DBC涓殑鍘熷榪炴帴榪涜浜嗗皝瑁?,闅旂浜嗗簲鐢ㄧ殑鏈韓鐨勫鐞嗛昏緫鍜屽叿浣撴暟鎹簱璁塊棶閫昏緫 銆?br />
2銆佷粈涔堟槸榪炴帴姹狅紵
榪炴帴姹犳槸鍦╓eblogic鍚姩鏃跺欓鍏堝緩绔嬬殑鏁版嵁搴撹繛鎺ワ紝鐢盬eblogic鍦ㄨ繍琛屾椂璐熻矗緇存姢銆?br />
鍙互鍑忓皯紼嬪簭姣忔鏁版嵁搴撹姹傞兘瑕佹柊鍒涘緩鏁版嵁搴撶墿鐞嗚繛鎺ョ殑鏃墮棿鍙婅祫婧愩?br />
瀵規暟鎹簱灞炴х殑鏇存敼鍙渶閫氳繃鎺у埗鍙拌繘琛岋紝涓嶉渶鏀瑰姩瀹㈡埛绔唬鐮?/span>
MultiPool
鍙互浣跨敤MultiPool涓洪珮鐢ㄦ埛璁塊棶閲忔彁渚涙暟鎹簱璐熻澆鍧囪 錛屽畠浣跨敤綆鍗曠殑寰幆綆楁硶灝嗚繛鎺ヨ姹傚鉤琛″垎閰峂ultiPool涓殑姣忎竴涓睜銆?/span>
澶氭睜鐨勪綔鐢細涓洪槻鏁版嵁搴撹繛鎺ュけ璐ユ彁渚涘啑浣?澶囦喚鎴栭珮鏈夋晥姹狅紱涓洪珮鐢ㄦ埛璁塊棶閲忔彁渚涙暟鎹簱璐熻澆鍧囪 錛岃礋杞藉潎琛℃睜銆?br />
澶囦喚姹狅細涓涓浠芥睜鐢變竴涓湁欏哄簭鐨勮繛鎺ユ睜鍒楄〃緇勬垚銆?br />
璐熻澆鍧囪 姹狅細浣跨敤綆鍗曠殑寰幆綆楁硶灝嗚繛鎺ヨ姹傚鉤琛″湴鍒嗗埌鍦ㄥ垪琛ㄤ腑鐨勬瘡涓涓睜銆?br />
3銆?/span>DataSource
鏁版嵁婧愬搴斾竴涓暟鎹簱榪炴帴姹犮傚鎴風▼搴忓彲浠ラ氳繃鏁版嵁婧愮粦瀹氱殑JNDI鍚嶅瓧寰楀埌璇ユ暟鎹簮鐨勫紩鐢紝騫墮氳繃鏁版嵁婧愬璞″緱鍒版暟鎹簱榪炴帴銆?/span>
JDBC鐨凙PI錛?br />
java.sql.DriverManager
java.sql.Connection
java.sql.ResultSet
Javax.sql.RowSet:
javax.sql.Statement 銆
java.sql.PreparedStatement:鐢ㄤ簬鎵ц棰勭紪璇戠殑SQL璇彞
java.sql.CallableStatement:鐢ㄤ簬鎵ц鍦ㄦ暟鎹簱涓畾涔夌殑瀛樺偍榪囩▼ 銆 銆
Javax.sql.DataSource鏄痡ava.sql.Connectioin瀵硅薄鐨勫伐鍘傚茍浣跨敤涓涓狫NDI鏈嶅姟娉ㄥ唽瀹?
]]>WebLogic JDBC-JDBC Driver http://www.tkk7.com/tfzhu/archive/2010/07/25/327091.html鏂偣 鏂偣 Sun, 25 Jul 2010 13:11:00 GMT http://www.tkk7.com/tfzhu/archive/2010/07/25/327091.html http://www.tkk7.com/tfzhu/comments/327091.html http://www.tkk7.com/tfzhu/archive/2010/07/25/327091.html#Feedback 0 http://www.tkk7.com/tfzhu/comments/commentRss/327091.html http://www.tkk7.com/tfzhu/services/trackbacks/327091.html 1銆乀ype 1綾誨瀷椹卞姩錛孞DBC-ODBC妗?/span>
閫氬父榪愯Windows騫沖彴錛岄渶瑕佸湪瀹㈡埛绔畨瑁匫DBC椹卞姩錛屾棭鏈烰ava璁塊棶鏁版嵁搴撶殑涓昏鏂瑰紡錛屾晥鐜囪緝浣庛?/span>
閫傜敤浜庡揩閫熺殑鍘熷瀷緋葷粺錛屾病鏈夋彁渚汮DBC椹卞姩鐨勬暟鎹簱濡侫ccess ,鐢變簬鍖呭惈澶氫釜椹卞姩紼嬪簭灞傦紝鍏舵ц兘涓鑸笉閫傚悎鐢熶駭緋葷粺
Java-->JDBC-ODBC Bridge---->JDBC-ODBC Library--->ODBC Driver-->Database
椹卞姩紼嬪簭鐨勭被鍚嶇О鏄?sun.jdbc.odbc.JdbcOdbcDriver
JDBC URL 鐨勫艦寮忎負 jdbc:odbc:dsn(dsn 鏄嬌鐢?ODBC 綆$悊鍛樻敞鍐屾暟鎹簱鐨勬暟鎹簮鍚嶇О)
涓嶆槸100%JAVA紼嬪簭錛屼笌ODBC涔嬮棿鐨勬帴鍙i噰鐢ㄩ潪JAVA鏂瑰紡璋冪敤錛屽洜姝や笉鑳藉湪APPLET涓嬌鐢?br />
{
String url = "jdbc:odbc:jdbc" ;
Class.forName("sun.jdbc.odbc.JdbcOdbcDriver");
Connection con = DriverManager.getConnection(url, "java", "sun");
}
2銆乀ype 2綾誨瀷椹卞姩錛岄渶瑕佸湪瀹㈡埛绔畨瑁呮暟鎹簱鐨勬湰鍦伴┍鍔紝JDBC璇鋒眰浼氳漿鎹負瀵規暟鎹簱鏈湴API鐨勮皟鐢ㄣ?/span>
鍒╃敤寮鍙戝晢鎻愪緵鐨勬湰鍦板簱鏉ョ洿鎺ヤ笌鏁版嵁搴撻氫俊銆?br />
Java-->JDBC-Driver-->DB Client Library-->Database
緇曡繃浜哋DBC灞傦紝鎬ц兘浼樹簬Type1
涔熺О涓洪儴鍒?Java 椹卞姩紼嬪簭錛屽洜涓哄畠浠洿鎺ュ皢 JDBC API 緲昏瘧鎴愬叿浣撴暟鎹簱鐨凙PI
浣跨敤絎簩縐嶆ā鍨嬪皢寮鍙戣呴檺鍒跺湪鏁版嵁搴撳巶鍟嗙殑瀹㈡埛鏈哄簱鏀寔鐨勫鎴鋒満騫沖彴鍜屾搷浣滅郴緇?br />
Oracle鐨凮CI椹卞姩灝卞睘浜嶵ype2
3銆?/span>Type 3綾誨瀷椹卞姩錛孌BC璇鋒眰閫氳繃緗戠粶鏈嶅姟鍣ㄥ眰瀹炵幇錛屽湪緗戠粶鏈嶅姟鍣ㄥ眰鍙互瀹炵幇璐熻澆鍧囪 錛岃繛鎺ユ睜綆$悊絳夈?/span>
絎笁縐嶉┍鍔ㄧ▼搴忔槸綰?Java 椹卞姩紼嬪簭錛屽畠灝?JDBC API 杞崲鎴愮嫭绔嬩簬鏁版嵁搴撶殑鍗忚銆侸DBC 椹卞姩紼嬪簭騫舵病鏈夌洿鎺ュ拰鏁版嵁搴撹繘琛岄氳錛涘畠鍜屼竴涓腑闂翠歡鏈嶅姟鍣ㄩ氳錛岀劧鍚庤繖涓腑闂翠歡鏈?/span>鍔″櫒鍜屾暟鎹簱榪涜閫氳銆傝繖縐嶉澶栫殑涓棿灞傛鎻愪緵浜嗙伒媧繪э細鍙互鐢ㄧ浉鍚岀殑浠g爜璁塊棶涓嶅悓鐨勬暟鎹簱錛屽洜涓轟腑闂翠歡鏈嶅姟鍣ㄩ殣钘忎簡 Java 搴旂敤紼嬪簭鐨勭粏鑺傘傝杞埌涓嶅悓鐨勬暟鎹簱錛屾偍鍙?/span>闇鍦ㄤ腑闂翠歡鏈嶅姟鍣ㄤ笂鏀瑰彉鍙傛暟銆傦紙鏈変竴鐐歸渶瑕佹敞鎰忥細涓棿浠舵湇鍔″櫒蹇呴』鏀寔鎮ㄨ闂殑鏁版嵁搴撴牸寮忋傦級
絎笁縐嶉┍鍔ㄧ▼搴忕殑緙虹偣鏄紝棰濆鐨勪腑闂村眰嬈″彲鑳芥湁鎹熸暣浣撶郴緇熸ц兘銆傚彟涓鏂歸潰錛屽鏋滃簲鐢ㄧ▼搴忛渶瑕佸拰涓嶅悓鐨勬暟鎹簱鏍煎紡榪涜浜や簰錛岀涓夌椹卞姩紼嬪簭鏄釜鏈夋晥鐨勬柟娉曪紝鍥犱負涓嶇搴曞眰 鐨勬暟鎹簱鏄粈涔堬紝閮戒嬌鐢ㄥ悓鏍風殑 JDBC 椹卞姩紼嬪簭銆傚彟澶栵紝鍥犱負涓棿浠舵湇鍔″櫒鍙互瀹夎鍦ㄤ笓闂ㄧ殑紜歡騫沖彴涓婏紝鍙互鍒╃敤鎬葷殑緇撴灉榪涜涓浜涗紭鍖栥?
Java--->Jdbc Driver(Type3 jdbc driver)----->java middleware--->JDBC Driver---->Database
Weblogic鐨凱ool椹卞姩紼嬪簭灝辨槸涓涓猅ype3鐨凧DBC椹卞姩紼嬪簭銆?/span>
4銆乀ype 4綾誨瀷椹卞姩錛屼負綰疛ava瀹炵幇錛屼笉闇瑕佷換浣曞鎴風璁劇疆銆?br />
OCI椹卞姩紼嬪簭鍒╃敤Java鏈湴鍖栨帴鍙o紙JNI錛夛紝閫氳繃Oracle瀹㈡埛绔蔣浠朵笌鏁版嵁搴撹繘琛岄氳銆俆hin椹卞姩紼嬪簭鏄函Java椹卞姩紼嬪簭錛屽畠鐩存帴涓庢暟鎹簱榪涜閫氳銆?
JDBC搴旂敤鐨勪袱縐嶆灦鏋?br />
涓ゅ眰鏋舵瀯錛氬鎴風▼搴忕洿鎺ュ鏁版嵁搴撳彂璧稪DBC璇鋒眰錛孴ype1銆?銆?鏀寔涓ゅ眰鏋舵瀯銆?br />
澶氬眰鏋舵瀯錛氬鎴風▼搴忓皢JDBC璇鋒眰鍙戦佸埌涓棿灞傦紝涓棿灞傚啀灝嗚姹傚彂閫佸埌鏁版嵁搴撱?br />
]]>璋冧紭綆浠?/title> http://www.tkk7.com/tfzhu/archive/2010/07/25/327084.html鏂偣 鏂偣 Sun, 25 Jul 2010 09:02:00 GMT http://www.tkk7.com/tfzhu/archive/2010/07/25/327084.html http://www.tkk7.com/tfzhu/comments/327084.html http://www.tkk7.com/tfzhu/archive/2010/07/25/327084.html#Feedback 0 http://www.tkk7.com/tfzhu/comments/commentRss/327084.html http://www.tkk7.com/tfzhu/services/trackbacks/327084.html 閫氬父搴旂敤緋葷粺浼氭牴鎹敤鎴鋒暟銆佸茍鍙戞暟銆佺敤鎴風殑琛屼負絳夌瓑鏉ョ‘瀹氬叿浣撶殑鎬ц兘鐩爣錛屽鏋滅‘瀹氬簲鐢ㄧ▼搴忎笉鑳芥弧瓚蟲ц兘鐩爣錛岄偅涔堝氨闇瑕佷紭鍖栥侀噸鏋勭▼搴忓茍璋冩暣JVM銆佸簲鐢ㄦ湇鍔″櫒銆佹暟鎹簱銆?/span>OS 鎴栬呮敼鍙樼‖浠墮厤緗瓑絳夈?br />
褰卞搷Java 鎬ц兘鐨勪富瑕佸洜绱狅細
紜歡錛屽CPU銆佸唴瀛樸佷綋緋葷粨鏋勭瓑絳?br />
鎿嶄綔緋葷粺
鏁版嵁搴撶郴緇?br />
JVM
搴旂敤鏈嶅姟鍣?br />
鏁版嵁搴撴湇鍔″櫒
緗戠粶鐜
搴旂敤鏋舵瀯鍙婄▼搴忕紪鍐欐按騫?br />
鎬ц兘璋冩暣鐨勬楠わ細
1銆?浣跨敤宸ュ叿嫻嬭瘯緋葷粺鏄惁婊¤凍鎬ц兘鐩爣
2銆?鍙戠幇鎬ц兘鐡墮
3銆?鍋囪鐡墮鐨勫師鍥?br />
4銆?嫻嬭瘯浣犵殑鍋囪
5銆?濡傛灉鍋囪鎴愮珛錛屾洿鏀硅繖涓閮ㄥ垎
6銆?嫻嬭瘯紜畾鏇存敼鏄惁鍙互鎻愰珮鎬ц兘錛岃 閲忔ц兘鎻愰珮鐨勭▼搴?br />
7銆侀噸澶嶄互涓婃楠わ紝鐩村埌鑾峰緱鍙互鎺ュ彈鐨勬ц兘銆?br />
J2EE鎬ц兘涓嶅ソ鏃剁殑鐜拌薄錛屼富瑕佽〃鐜板湪瀵瑰鎴風鐨勮姹傚搷搴斿緢鎱細
涓鍚戝緢鎱細搴旂敤鐨勫搷搴旀繪槸寰堟參錛屾敼鍙樼幆澧?濡傚簲鐢ㄨ礋杞姐佹暟鎹簱鐨勮繛鎺ユ睜鏁伴噺絳夌瓑)錛屽鍝嶅簲鏃墮棿鐨?/span>褰卞搷涓嶅ぇ銆?br />
瓚婃潵瓚婃參錛氬湪鐩稿悓鐨勮礋杞芥儏鍐典笅錛岄殢鐫緋葷粺榪愯鐨勬椂闂寸殑澧為暱錛岀郴緇熻秺鏉ヨ秺鎱紝榪欏彲鑳芥槸緋葷粺宸插埌杈?/span>鏋侀檺鎴栨槸緋葷粺姝婚攣鍜岄敊璇紩璧風殑銆?br />
浣庝簬璐熻澆鏃朵細瓚婃潵瓚婃參(Slower and slower under load):.
鍋跺皵鐨勬寕璧鋒垨寮傚父閿欒(Sporadic hangs or aberrant errors):鏈夋椂榪欏彲鑳芥槸鐢變簬璐熻澆鐨勫彉鍖栨垨鍏朵粬 鎯呭喌寮曡搗鐨勫彲浠ラ嫻嬬殑姝婚攣(Foreseeable lock ups): 鎸傝搗鎴栨渶鍒濆彧鏈夊皯閲忛敊璇紝浣嗛殢鐫鏃墮棿鐨勬帹縐?/span>鏁翠釜緋葷粺閮介攣涓婁簡錛屽吀鍨嬪湴榪欏彲鑳芥槸涓虹殑閫傚簲"management by restarts.“
紿佸彂鎬х殑娣蜂貢(Sudden chaos): 緋葷粺宸茶繍琛屼簡涓孌墊椂闂?濡備竴涓皬鏃舵垨鍙兘鏄笁銆佸洓澶?錛屾ц兘紼沖畾騫?/span>鍙互鎺ュ彈, 紿佺劧娌℃湁浠諱綍鐞嗙敱錛屽紑濮嬪嚭閿欐垨姝婚攣浜嗐?/span>
鐩戞帶宸ュ叿錛?/span>
WebLogic Server鐨勬帶鍒跺彴
cpu
鍐呭瓨
JDBC
杈呭姪鐨勫伐鍏?br />
Jprobe
Optimizit
Vtune
TowerJ Performance
]]> WebLogic 綆浠?/title> http://www.tkk7.com/tfzhu/archive/2010/07/25/327080.html鏂偣 鏂偣 Sun, 25 Jul 2010 08:03:00 GMT http://www.tkk7.com/tfzhu/archive/2010/07/25/327080.html http://www.tkk7.com/tfzhu/comments/327080.html http://www.tkk7.com/tfzhu/archive/2010/07/25/327080.html#Feedback 0 http://www.tkk7.com/tfzhu/comments/commentRss/327080.html http://www.tkk7.com/tfzhu/services/trackbacks/327080.html WebLogic Server 10鐨勪笅杞藉湴鍧錛?br />
http://www.oracle.com/technology/software/products/ias/htdocs/wls_main.html
1銆佸煙錛圖omains錛?/span>
鍩熸槸綆$悊鐨勫崟鍏冩垨杈圭晫錛?br />
浣滀負涓涓崟鍏冩潵綆$悊鐨勶紝騫剁浉浜掑叧鑱旂殑涓緇刉eblogic 鏈嶅姟鍣ㄨ祫婧愯縐頒負鍩燂紱
鍩熺敱鍗曚竴鐨勭鐞嗘湇鍔″櫒鏉ョ鐞嗐?/span>
2銆佹満鍣紙Machines錛?/span>
鍙互瀵瑰簲鍒版湇鍔″櫒鎵鍦ㄧ殑鐗╃悊紜歡錛?br />
鍙互鏄疷nix鎴杗on-Unix綾誨瀷錛?br />
鍙互鐢ㄦ潵榪滅▼綆$悊鍜岀洃鎺э紱
3銆佹湇鍔″櫒錛圫ervers錛?/span>
鏈嶅姟鍣ㄦ槸鎵ц鍦ㄥ崟涓Java铏氭嫙鏈?錛圝VM錛変腑weblogic.Server綾葷殑瀹炰緥銆?
鏈嶅姟鍣細鏈澶氬拰涓涓猈LS鏈哄櫒鍏寵仈錛涘崰鐢ㄤ竴瀹氭暟閲忕殑RAM 錛涙槸澶氱嚎紼嬬殑銆?br />
4銆佺鐞嗘湇鍔″櫒(Administration server)
瀵規暣涓煙鐨勯泦涓帶鍒?br />
XML閰嶇疆瀛樺偍搴撶殑淇濆瓨鑰?br />
鏃ュ織淇℃伅鐨勯泦涓繚瀛?/span>
5銆佽綆$悊鏈嶅姟鍣?Managed Server)
WebLogicServer鐨勪竴涓疄渚嬶紱
浠庣鐞嗘湇鍔″櫒榪滅▼鍔犺澆閰嶇疆淇℃伅‘錛?br />
鍙互鏄篃鍙互涓嶆槸闆嗙兢鐨勪竴閮ㄥ垎銆?br />
6銆侀泦緹?錛圕lustering錛?br />
WebLogic闆嗙兢鎶鏈寚閫氳繃涓緇勬湇鍔″櫒鍏卞悓 宸ヤ綔錛屽湪澶氬彴鏈哄櫒闂村鍒跺簲鐢ㄨ〃紺哄眰鍜屽簲鐢ㄩ昏緫灞傜殑鑳藉姏錛?/span>瀹炵幇鍏抽敭涓氬姟緋葷粺鐨勮礋杞藉垎甯冿紝娑堥櫎涓埆鏁呴殰鐐癸紱闆嗙兢鐢ㄦ潵瀹炵幇璐熻澆鍧囪 鍜屽閿欍?/span>
]]> J2EE鎶鏈強鐩稿叧鏈嶅姟鍣ㄤ粙緇?/title> http://www.tkk7.com/tfzhu/archive/2010/07/25/327079.html鏂偣 鏂偣 Sun, 25 Jul 2010 07:50:00 GMT http://www.tkk7.com/tfzhu/archive/2010/07/25/327079.html http://www.tkk7.com/tfzhu/comments/327079.html http://www.tkk7.com/tfzhu/archive/2010/07/25/327079.html#Feedback 0 http://www.tkk7.com/tfzhu/comments/commentRss/327079.html http://www.tkk7.com/tfzhu/services/trackbacks/327079.html 1銆丣2EE搴旂敤寮鍙戠殑鏍稿績緇勪歡銆?/span>
Servlet錛?澶勭悊HTTP璇鋒眰錛屼駭鐢熷搷搴斻?br />
JSP錛欽ava Server Pages 錛屽悓Servlet銆傚叾涓寘鍚簡HTML鍜孞SP鏍囩銆丣ava浠g爜鍜屽叾浠栦俊鎭?br />
EJB錛欵JB鏈嶅姟绔粍浠舵ā鍨嬬畝鍖栦簡鍏鋒湁浜や簰鎬с佹墿灞曟у拰縐繪鎬т腑闂寸粍浠剁殑寮鍙戙侲JB涓鑸敤浜庡疄鐜扮郴緇熺殑涓氬姟閫昏緫銆?br />
2銆丣2EE鐨勭浉鍏蟲妧鏈?/span>
鏍稿績錛歋ervlet 銆丣SP銆丒JB
鏁版嵁搴擄細JDBC
鍛藉悕鍜岀洰褰曟湇鍔★細JNDI
娑堟伅鏈嶅姟錛欽MS( Java Message Service )
Email錛欽ava Mail
鍒嗗竷寮忚綆楋細RMI銆丷MI-IIOP
浜嬪姟錛欽TA錛圝ava Transaction API錛?br />
鏁版嵁鏍煎紡鍖栵細XML銆丠TML銆乆SL
鍗忚錛歍CP/IP銆丠TTP(S)銆両IOP銆丼SL
瀹夊叏錛欽AAS
3銆丣2EE鐨?灞傜粨鏋?/span>
瀹㈡埛灞傦紙嫻忚鍣級
Web灞傦紙HTML銆丼ervlet銆丣SP錛?br />
涓氬姟灞傦紙EJB錛?br />
EIS灞傦紙鍏崇郴鏁版嵁搴擄級
4銆?/span>J2EE鐨凙pplication Server錛?/span>
Tomcat
BEA Weblogic
IBM Websphere
Oracle Application Server
Sun Java System
Jboss
Borland AppServer
Sybase Application Server
HP Application Server
Apusic
5銆侀泦鎴愬紑鍙戝伐鍏鳳細
Borland錛欽Builder
Oracle 錛欽Developer
Bea 錛歐ebLogic Workshop
IBM錛歐ebsphere Studio
Sun錛歂etBeans
MyEclipse
鍦ㄥ皬鍨嬬殑搴旂敤緋葷粺鎴栬呮湁鐗規畩闇瑕佺殑緋葷粺涓紝鍙互浣跨敤涓涓厤璐圭殑Web鏈嶅姟鍣═omcat錛岃鏈嶅姟鍣ㄦ敮鎸佸叏閮↗SP浠ュ強Servlet瑙勮寖錛屼絾鏄洰鍓嶈繕涓嶆敮鎸丒JB銆?br />
鍦↗ava鐩稿叧鐨勫紑鍙戦鍩熶腑錛屽父鐢ㄧ殑鏄?縐嶆暟鎹簱錛歄racle銆丏B2鍜孧ySQL銆傛湁鏃跺欎篃浣跨敤寰蔣鍏徃鐨凷QL Server鏁版嵁搴撴湇鍔″櫒 銆?/span>
]]>
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