TOMCAT_HOME/bin/catalina.sh
娣誨姞涓琛岋細JAVA_OPTS=" -XX:PermSize=64M -XX:MaxPermSize=128m"
闂瑙ｅ喅錛堝彲鑳戒負璋冪敤JAR鍖呰繃澶氬師鍥狅級涓嬮潰鏄綉涓婄湅鍒頒竴浜涜緗?/span>
JAVA_OPTS="-server -Xms800m -Xmx800m -XX:PermSize=64M -XX:MaxNewSize=256m -XX:MaxPermSize=128m -Djava.awt.headless=true "
褰撳湪瀵瑰叾榪涜騫跺彂嫻嬭瘯鏃訛紝鍩烘湰涓?0涓猆SER涓婂幓灝卞綋鏈轟簡錛岃繕瑕佷慨鏀歸粯璁よ繛鎺ユ暟璁劇疆錛氫互涓嬬孩鑹插洓琛孴OMCAT6涓ソ鐩告病鏈夛紝鎵嬪伐鍔犱笂灝卞彲浠ヤ簡錛屽熀鏈笂鍙互瑙ｅ喅榪炴帴鏁拌繃澶у紩璧風殑姝繪満銆傚叿浣撴暟鍊煎彲璺熸嵁瀹為檯鎯呭喌璁劇疆
<Connector port="80" protocol="HTTP/1.1"
maxThreads="600"
minSpareThreads="100"
maxSpareThreads="500"
acceptCount="700"
connectionTimeout="20000"
redirectPort="8443" />
榪欐牱璁劇疆浠ュ悗錛屽熀鏈笂娌℃湁鍐嶅綋鏈鴻繃銆傘傘傘傘?/span>
maxThreads="600" ///鏈澶х嚎紼嬫暟
minSpareThreads="100"http:///鍒濆鍖栨椂鍒涘緩鐨勭嚎紼嬫暟
maxSpareThreads="500"http:///涓鏃﹀垱寤虹殑綰跨▼瓚呰繃榪欎釜鍊鹼紝Tomcat灝變細鍏抽棴涓嶅啀闇瑕?br />鐨剆ocket綰跨▼銆?/span>
acceptCount="700"http://鎸囧畾褰撴墍鏈夊彲浠ヤ嬌鐢ㄧ殑澶勭悊璇鋒眰鐨勭嚎紼嬫暟閮借浣跨敤鏃訛紝鍙互鏀懼埌澶勭悊闃熷垪涓殑璇鋒眰鏁幫紝瓚呰繃榪欎釜鏁扮殑璇鋒眰灝嗕笉浜堝鐞?/span>
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涓銆乀omcat鐨凧VM鎻愮ず鍐呭瓨婧㈠嚭
鏌ョ湅%TOMCAT_HOME%\logs鏂囦歡澶逛笅錛屾棩蹇楁枃浠舵槸鍚︽湁鍐呭瓨婧㈠嚭閿欒
浜屻佷慨鏀筎omcat鐨凧VM
1銆侀敊璇彁紺猴細java.lang.OutOfMemoryError: Java heap space
Tomcat榛樿鍙互浣跨敤鐨勫唴瀛樹負128MB錛屽湪杈冨ぇ鍨嬬殑搴旂敤欏圭洰涓紝榪欑偣鍐呭瓨鏄笉澶熺殑錛屾湁鍙兘瀵艱嚧緋葷粺鏃犳硶榪愯銆傚父瑙佺殑闂鏄姤Tomcat鍐呭瓨婧㈠嚭閿欒錛孫ut of Memory(緋葷粺鍐呭瓨涓嶈凍)鐨勫紓甯革紝浠庤屽鑷村鎴風鏄劇ず500閿欒錛屼竴鑸皟鏁碩omcat鐨勪嬌鐢ㄥ唴瀛樺嵆鍙В鍐蟲闂銆?nbsp;
Windows鐜涓嬩慨鏀?#8220;%TOMCAT_HOME%\bin\catalina.bat”鏂囦歡錛屽湪鏂囦歡寮澶村鍔犲涓嬭緗細set JAVA_OPTS=-Xms256m -Xmx512m
Linux鐜涓嬩慨鏀?#8220;%TOMCAT_HOME%\bin\catalina.sh”鏂囦歡錛屽湪鏂囦歡寮澶村鍔犲涓嬭緗細JAVA_OPTS=’-Xms256m -Xmx512m’
鍏朵腑錛?Xms璁劇疆鍒濆鍖栧唴瀛樺ぇ灝忥紝-Xmx璁劇疆鍙互浣跨敤鐨勬渶澶у唴瀛樸?/p>
2銆侀敊璇彁紺猴細java.lang.OutOfMemoryError: PermGen space
鍘熷洜錛?br />PermGen space鐨勫叏縐版槸Permanent Generation space,鏄寚鍐呭瓨鐨勬案涔呬繚瀛樺尯鍩燂紝榪欏潡鍐呭瓨涓昏鏄JVM瀛?br />鏀綜lass鍜孧eta淇℃伅鐨?Class鍦ㄨLoader鏃跺氨浼氳鏀懼埌PermGen space涓紝瀹冨拰瀛樻斁綾誨疄渚?Instance)鐨?br />Heap鍖哄煙涓嶅悓,GC(Garbage Collection)涓嶄細鍦ㄤ富紼嬪簭榪愯鏈熷PermGen space榪涜娓呯悊錛屾墍浠ュ鏋滀綘鐨勫簲鐢?br />涓湁寰圕LASS鐨勮瘽,灝卞緢鍙兘鍑虹幇PermGen space閿欒錛岃繖縐嶉敊璇父瑙佸湪web鏈嶅姟鍣ㄥJSP榪涜pre compile鐨?br />鏃跺欍傚鏋滀綘鐨刉EB APP涓嬮兘鐢ㄤ簡澶ч噺鐨勭涓夋柟jar, 鍏跺ぇ灝忚秴榪囦簡jvm榛樿鐨勫ぇ灝?4M)閭ｄ箞灝變細浜х敓姝ら敊璇俊
鎭簡銆?br />瑙ｅ喅鏂規硶錛?/strong>
鍦╟atalina.bat鐨勭涓琛屽鍔狅細
set JAVA_OPTS=-Xms64m -Xmx256m -XX:PermSize=128M -XX:MaxNewSize=256m -
XX:MaxPermSize=256m
鍦╟atalina.sh鐨勭涓琛屽鍔狅細
JAVA_OPTS=-Xms64m -Xmx256m -XX:PermSize=128M -XX:MaxNewSize=256m -
XX:MaxPermSize=256m
3銆丣VM璁劇疆
鍫嗙殑灝哄
-Xmssize in bytes
璁懼畾Java鍫嗙殑鍒濆灝哄錛岀己鐪佸昂瀵告槸2097152 (2MB)銆傝繖涓煎繀欏繪槸1024涓瓧鑺傦紙1KB錛夌殑鍊嶆暟錛屼笖姣斿畠澶с傦紙-server閫夐」鎶婄己鐪佸昂瀵稿鍔犲埌32M銆傦級
-Xmnsize in bytes
涓篍den瀵硅薄璁懼畾鍒濆Java鍫嗙殑澶у皬錛岀己鐪佸間負640K銆傦紙-server閫夐」鎶婄己鐪佸昂瀵稿鍔犲埌2M銆?
-Xmxsize in bytes
璁懼畾Java鍫嗙殑鏈澶у昂瀵革紝緙虹渷鍊間負64M錛岋紙-server閫夐」鎶婄己鐪佸昂瀵稿鍔犲埌128M銆傦級 鏈澶х殑鍫嗗昂瀵歌揪鍒板皢榪?GB錛?048MB錛夈?nbsp;
璇鋒敞鎰忥細寰堝鍨冨溇鏀墮泦鍣ㄧ殑閫夐」渚濊禆浜庡爢澶у皬鐨勮瀹氥傝鍦ㄥ井璋冨瀮鍦炬敹闆嗗櫒浣跨敤鍐呭瓨絀洪棿鐨勬柟寮忎箣鍓嶏紝紜鏄惁宸茬粡姝ｇ‘璁懼畾浜嗗爢鐨勫昂瀵搞?nbsp;
鍨冨溇鏀墮泦:鍐呭瓨鐨勪嬌鐢?nbsp;
-XX:MinHeapFreeRatio=percentage as a whole number
淇敼鍨冨溇鍥炴敹涔嬪悗鍫嗕腑鍙敤鍐呭瓨鐨勬渶灝忕櫨鍒嗘瘮錛岀己鐪佸兼槸40銆傚鏋滃瀮鍦懼洖鏀跺悗鑷沖皯榪樻湁40%鐨勫爢鍐呭瓨娌℃湁琚噴鏀撅紝鍒欑郴緇熷皢澧炲姞鍫嗙殑灝哄銆?nbsp;
-XX:MaxHeapFreeRatio=percentage as a whole number
鏀瑰彉鍨冨溇鍥炴敹涔嬪悗鍜屽爢鍐呭瓨緙╁皬涔嬪墠鍙敤鍫嗗唴瀛樼殑鏈澶х櫨鍒嗘瘮錛岀己鐪佸間負70銆傝繖鎰忓懗鐫濡傛灉鍦ㄥ瀮鍦懼洖鏀朵箣鍚庤繕鏈夊ぇ浜?0%鐨勫爢鍐呭瓨錛屽垯緋葷粺灝變細鍑忓皯鍫嗙殑灝哄銆?nbsp;
-XX:NewSize=size in bytes
涓哄凡鍒嗛厤鍐呭瓨鐨勫璞′腑鐨凟den浠ｈ緗己鐪佺殑鍐呭瓨灝哄銆傚畠鐨勭己鐪佸兼槸640K銆傦紙-server閫夐」鎶婄己鐪佸昂瀵稿鍔犲埌2M銆傦級
-XX:MaxNewSize=size in bytes
鍏佽鎮ㄦ敼鍙樺垵鏈熷璞＄┖闂寸殑涓婇檺錛屾柊寤哄璞℃墍闇鐨勫唴瀛樺氨鏄粠榪欎釜絀洪棿涓垎閰嶆潵鐨勶紝榪欎釜閫夐」鐨勭己鐪佸兼槸640K銆傦紙-server閫夐」鎶婄己鐪佸昂瀵稿鍔犲埌2M銆傦級
-XX:NewRatio=value
鏀瑰彉鏂版棫絀洪棿鐨勫昂瀵告瘮渚嬶紝榪欎釜姣斾緥鐨勭己鐪佸兼槸8錛屾剰鎬濇槸鏂扮┖闂寸殑灝哄鏄棫絀洪棿鐨?/8銆?nbsp;
-XX:SurvivorRatio=number
鏀瑰彉Eden瀵硅薄絀洪棿鍜屾畫瀛樼┖闂寸殑灝哄姣斾緥錛岃繖涓瘮渚嬬殑緙虹渷鍊兼槸10錛屾剰鎬濇槸Eden瀵硅薄絀洪棿鐨勫昂瀵告瘮孌嬪瓨絀洪棿澶urvivorRatio+2鍊嶃?nbsp;
-XX:TargetSurvivorRatio=percentage
璁懼畾鎮ㄦ墍鏈熸湜鐨勭┖闂存彁鍙栧悗琚嬌鐢ㄧ殑孌嬪瓨絀洪棿鐨勭櫨鍒嗘瘮錛岀己鐪佸兼槸50銆?nbsp;
-XX:MaxPermSize=size in MB
闀夸箙浠ｏ紙permanent generation錛夌殑灝哄錛岀己鐪佸間負32錛?2MB錛夈?/span>
涓夈佹煡鐪婽omcat鐨凧VM鍐呭瓨
1. Tomcat6涓病鏈夎緗換浣曢粯璁ょ敤鎴鳳紝鍥犺岄渶瑕佹墜鍔ㄥ線Tomcat6鐨刢onf鏂囦歡澶逛笅鐨則omcat-users.xml鏂囦歡涓坊鍔犵敤鎴楓?/span>
濡傦細<role rolename="manager"/>
<user username="tomcat" password="tomcat" roles="manager"/>
娉細娣誨姞瀹岄渶瑕侀噸鍚疶omcat6銆?/span>
2. 璁塊棶http://localhost:8080/manager/status錛岃緭鍏ヤ笂闈㈡坊鍔犵殑鐢ㄦ埛鍚嶅拰瀵嗙爜銆?/span>
3. 鐒跺悗鍦ㄥ涓嬮潰鐨凧VM涓嬪彲浠ョ湅鍒板唴瀛樼殑浣跨敤鎯呭喌銆?/span>
JVM
Free memory: 2.50 MB Total memory: 15.53 MB Max memory: 63.56 MB
鍥涖乀omcat榪炴帴鏁拌緗?/span>
鍦╰omcat閰嶇疆鏂囦歡server.xml涓殑<Connector ... />閰嶇疆涓紝鍜岃繛鎺ユ暟鐩稿叧鐨勫弬鏁版湁錛?/span>
minProcessors錛氭渶灝忕┖闂茶繛鎺ョ嚎紼嬫暟錛岀敤浜庢彁楂樼郴緇熷鐞嗘ц兘錛岄粯璁ゅ間負10
maxProcessors錛氭渶澶ц繛鎺ョ嚎紼嬫暟錛屽嵆錛氬茍鍙戝鐞嗙殑鏈澶ц姹傛暟錛岄粯璁ゅ間負75
acceptCount錛氬厑璁哥殑鏈澶ц繛鎺ユ暟錛屽簲澶т簬絳変簬maxProcessors錛岄粯璁ゅ間負100
enableLookups錛氭槸鍚﹀弽鏌ュ煙鍚嶏紝鍙栧間負錛歵rue鎴杅alse銆備負浜嗘彁楂樺鐞嗚兘鍔涳紝搴旇緗負false
connectionTimeout錛氱綉緇滆繛鎺ヨ秴鏃訛紝鍗曚綅錛氭縐掋傝緗負0琛ㄧず姘鎬笉瓚呮椂錛岃繖鏍瘋緗湁闅愭偅鐨勩傞氬父鍙緗負30000姣銆?/span>
鍏朵腑鍜屾渶澶ц繛鎺ユ暟鐩稿叧鐨勫弬鏁頒負maxProcessors鍜宎cceptCount銆傚鏋滆鍔犲ぇ騫跺彂榪炴帴鏁幫紝搴斿悓鏃跺姞澶ц繖涓や釜鍙傛暟銆?/span>
web server鍏佽鐨勬渶澶ц繛鎺ユ暟榪樺彈鍒朵簬鎿嶄綔緋葷粺鐨勫唴鏍稿弬鏁拌緗紝閫氬父Windows鏄?000涓乏鍙籌紝Linux鏄?000涓乏鍙熾俇nix涓浣曡緗繖浜涘弬鏁幫紝璇峰弬闃匲nix甯哥敤鐩戞帶鍜岀鐞嗗懡浠?/span>
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