{"id":468,"date":"2017-11-09T10:44:43","date_gmt":"2017-11-09T02:44:43","guid":{"rendered":"https:\/\/blog.jsjs.org\/?p=468"},"modified":"2017-11-09T10:44:43","modified_gmt":"2017-11-09T02:44:43","slug":"tomcat8%e6%80%a7%e8%83%bd%e4%bc%98%e5%8c%96%e5%8f%82%e8%80%83","status":"publish","type":"post","link":"https:\/\/blog.jsjs.org\/?p=468","title":{"rendered":"tomcat8\u6027\u80fd\u4f18\u5316\u53c2\u8003"},"content":{"rendered":"
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\"\"<\/p>\n

 <\/p>\n

1)\u5185\u5b58\u4f18\u5316(\u8c03\u6574\u914d\u7f6e\u5806\u7684\u5927\u5c0f\uff0c\u4fee\u6539\u6587\u4ef6\uff1acatalina.sh)<\/p>\n

JAVA_OPTS=”-Djava.awt.headless=true -Dfile.encoding=UTF-8<\/p>\n

-server -XX:MinHeapFreeRatio=80 -XX:MaxHeapFreeRatio=80 -XX:ThreadStackSize=512<\/p>\n

-XX:NewSize=128m<\/p>\n

-XX:MaxPermSize=64m<\/p>\n

-XX:NewRatio=4 -XX:SurvivorRatio=8<\/p>\n

-XX:+AggressiveOpts -XX:+UseBiasedLocking<\/p>\n

-XX:+UseConcMarkSweepGC -XX:+ScavengeBeforeFullGC<\/p>\n

-XX:+PrintGCDetails -XX:+PrintGCTimeStamps -Xloggc:..\/logs\/performance_gc.log<\/p>\n

-XX:+HeapDumpOnOutOfMemoryError -XX:HeapDumpPath=..\/logs\/performance_heapdump.hprof
\n-XX:+UnlockCommercialFeatures -XX:+FlightRecorder -XX:FlightRecorderOptions=defaultrecording=true”<\/p>\n

\u5f00\u542f\u98de\u884c\u8bb0\u5f55<\/p>\n

-XX:+UnlockCommercialFeatures -XX:+FlightRecorder -XX:FlightRecorderOptions=defaultrecording=true<\/p>\n

\u53c2\u6570\u8bf4\u660e\uff0c\u53ef\u53c2\u8003jvm\u7684\u914d\u7f6e\uff1a<\/p>\n

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-XmX\uff1a\u5806\u7684\u6700\u5927\u5927\u5c0f\uff0c\u5355\u4f4dMB<\/p>\n

-Xmn\uff1a\u65b0\u751f\u4ee3\u7684\u521d\u59cb\u5927\u5c0f\uff0c\u5355\u4f4dMB \u4e3a\u5806\u5927\u5c0f\u76843\/8<\/p>\n

\u5728\u4f7f\u7528jmc\u5de5\u5177\u65f6\uff0c\u5982\u9700\u8981\u6253\u5f00\u98de\u884c\u8bb0\u5f55\uff0c\u9700\u8981\u914d\u7f6e\u4ee5\u4e0b3\u4e2a\u53c2\u6570\uff0c\u4e0d\u7528\u65f6\u53ef\u4ee5\u5148\u4e0d\u914d\u7f6e\uff1a<\/p>\n

-XX:+UnlockCommercialFeatures -XX:+FlightRecorder -XX:FlightRecorderOptions=defaultrecording=true<\/p>\n

2)\u914d\u7f6e\u6587\u4ef6\u4e2d\u914d\u7f6e\u9879\u7684\u4f18\u5316(\u4fee\u6539\u6587\u4ef6\uff1aserver.xml)<\/p>\n

a)\u66f4\u6539IO\u6a21\u5f0f<\/p>\n

\u5c06bio\u534f\u8bae\u6a21\u5f0f\u66f4\u6539\u4e3anio\/nio2\u534f\u8bae\u6a21\u5f0f<\/p>\n

bio\u6a21\u5f0f\u534f\u8bae\uff1aHTTP1.1<\/p>\n

nio\u6a21\u5f0f\u534f\u8bae\uff1aorg.apache.cotyote.http11.Http11NioProtocol<\/p>\n

nio2\u6a21\u5f0f\u534f\u8bae\uff1aorg.apache.cotyote.http11.Http11Nio2Protocol<\/p>\n

apr\u6a21\u5f0f\u534f\u8bae\uff1aorg.apache.coyote.http11.Http11AprProtocol<\/p>\n

bio\u534f\u8bae\u6a21\u5f0f\uff0c\u9002\u7528\u4e8e\u7b80\u5355\u6d41\u7a0b<\/p>\n

nio\u534f\u8bae\u6a21\u5f0f\uff0c\u9002\u7528\u4e8e\u540e\u53f0\u8017\u65f6\u7684\u8bf7\u6c42\u7684\u64cd\u4f5c<\/p>\n

ARP\u6a21\u5f0f\uff1atomcat\u4ee5jni\u65b9\u5f0f\u8c03\u7528apache http\u670d\u52a1\u5668\u7684\u6838\u5fc3\u52a8\u6001\u94fe\u63a5\u5e93\u6765\u5904\u7406\u6587\u4ef6\u6216\u7f51\u7edc\u4f20\u8f93\u64cd\u4f5c<\/p>\n

b)\u8c03\u6574\u8fde\u63a5\u5668\u6a21\u5f0f<\/p>\n

Executor\u65b9\u9762 \u53ef\u5728tomcat\u7ec4\u4ef6\u4e4b\u95f4\u5171\u4eab\uff0c\u51cf\u5c11\u521b\u5efa\u9500\u6bc1\u7ebf\u7a0b\u7684\u6d88\u8017\uff0c\u63d0\u9ad8\u7ebf\u7a0b\u7684\u4f7f\u7528\u6548\u7387<\/p>\n

3)\u8bbe\u7f6e\u4f1a\u8bdd\u8d85\u65f6\u65f6\u95f4(\u4fee\u6539\u6587\u4ef6\uff1aweb.xml)<\/p>\n

\u914d\u7f6e\u9879\uff1a<session-timeout>30<\/session-timeout> \u5355\u4f4d\u4e3a\u5206\u949f<\/p>\n

4)\u6587\u4ef6\u914d\u7f6e\u8bf4\u660e<\/p>\n

a)tomcat-user.xml<\/p>\n

<role rolename=”manager-gui” \/><\/p>\n

<role rolename=”manager-script” \/><\/p>\n

<role rolename=”manager-status” \/><\/p>\n

<role rolename=”manager-jmx”\/><\/p>\n

<user username=”admin” password=”123456″ roles=”manager-gui,manager-script,manager-status,manager-jmx” \/>
\n<\/tomcat-users><\/p>\n

b)web.xml<\/p>\n

#\u914d\u7f6e\u9879\uff1a<session-timeout>30<\/session-timeout> \u5355\u4f4d\u4e3a\u5206\u949f<\/p>\n

<session-config>
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c)server.xml<\/p>\n

<!– Prevent memory leaks due to use of particular java\/javax APIs \u9632\u6b62jre\u5185\u5b58\u6cc4\u6f0f–>
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1)\u5355\u4e00\u914d\u7f6e\u65b9\u5f0f<\/p>\n

<!–\u8fde\u63a5\u5668\u8bbe\u7f6e–>
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keepAliveTimeout=”20000″<\/p>\n

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2)\u4f7f\u7528\u7ebf\u7a0b\u6c60\u7684\u65b9\u5f0f
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  1)\u5185\u5b58\u4f18\u5316(\u8c03\u6574\u914d\u7f6e\u5806\u7684\u5927\u5c0f\uff0c\u4fee\u6539\u6587\u4ef6\uff1acatalina.sh) JAVA_OPTS=”-Djava.awt.headless=true -Dfile.encoding=UTF-8 -server -XX:MinHeapFreeRatio=80 -XX:MaxHeapFreeRatio=80 -XX:ThreadStackSize=512 -XX:NewSize=128m -XX:MaxPermSize=64m -XX:NewRatio=4 -XX:SurvivorRatio=8 -XX:+AggressiveOpts -XX:+UseBiasedLocking -XX:+UseConcMarkSweepGC -XX:+ScavengeBeforeFullGC -XX:+PrintGCDetails -XX:+PrintGCTimeStamps -Xloggc:..\/logs\/performance_gc.log -XX:+HeapDumpOnOutOfMemoryError […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[1],"tags":[],"class_list":["post-468","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"_links":{"self":[{"href":"https:\/\/blog.jsjs.org\/index.php?rest_route=\/wp\/v2\/posts\/468","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blog.jsjs.org\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.jsjs.org\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.jsjs.org\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.jsjs.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=468"}],"version-history":[{"count":0,"href":"https:\/\/blog.jsjs.org\/index.php?rest_route=\/wp\/v2\/posts\/468\/revisions"}],"wp:attachment":[{"href":"https:\/\/blog.jsjs.org\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=468"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.jsjs.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=468"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.jsjs.org\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=468"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}