{"id":11057,"date":"2023-11-28T21:50:38","date_gmt":"2023-11-28T13:50:38","guid":{"rendered":"https:\/\/wx.kaifamiao.info\/?p=11057"},"modified":"2023-12-07T16:16:25","modified_gmt":"2023-12-07T08:16:25","slug":"jvm-zhong-chang-yong-dejvm-pei-zhi-can-shu-you-na","status":"publish","type":"post","link":"http:\/\/wx.kaifamiao.info\/index.php\/2023\/11\/28\/jvm-zhong-chang-yong-dejvm-pei-zhi-can-shu-you-na\/","title":{"rendered":"JVM\u4e2d\u5e38\u7528\u7684JVM\u914d\u7f6e\u53c2\u6570\u6709\u54ea\u4e9b\uff1f"},"content":{"rendered":"<p>\u5728Java\u865a\u62df\u673a\uff08JVM\uff09\u4e2d\uff0c\u53ef\u4ee5\u901a\u8fc7\u547d\u4ee4\u884c\u53c2\u6570\u6216\u8005\u5728\u542f\u52a8\u811a\u672c\u4e2d\u914d\u7f6e\u4e00\u7cfb\u5217\u53c2\u6570\u6765\u8c03\u6574JVM\u7684\u884c\u4e3a\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u7528\u7684JVM\u914d\u7f6e\u53c2\u6570\uff1a<\/p>\n<ol>\n<li>\n<strong>\u5806\u5185\u5b58\u8bbe\u7f6e\uff1a<\/strong><\/p>\n<ul>\n<li><code>-Xms<\/code>: \u521d\u59cb\u5806\u5927\u5c0f<\/li>\n<li><code>-Xmx<\/code>: \u6700\u5927\u5806\u5927\u5c0f<\/li>\n<li><code>-Xmn<\/code>: \u65b0\u751f\u4ee3\u5927\u5c0f<\/li>\n<li><code>-XX:MaxPermSize<\/code> (Java 7 \u53ca\u4e4b\u524d): \u6700\u5927\u6c38\u4e45\u4ee3\u5927\u5c0f<\/li>\n<li><code>-XX:MaxMetaspaceSize<\/code> (Java 8 \u53ca\u4e4b\u540e): \u6700\u5927\u5143\u7a7a\u95f4\u5927\u5c0f<\/li>\n<\/ul>\n<p>\u793a\u4f8b\uff1a<\/p>\n<pre><code class=\"language-bash\">java -Xms256m -Xmx1024m -Xmn128m -XX:MaxPermSize=256m -jar your-application.jar\n<\/code><\/pre>\n<\/li>\n<li>\n<strong>\u5783\u573e\u56de\u6536\u8bbe\u7f6e\uff1a<\/strong><\/p>\n<ul>\n<li><code>-XX:+UseSerialGC<\/code>: \u4f7f\u7528\u4e32\u884c\u5783\u573e\u56de\u6536\u5668<\/li>\n<li><code>-XX:+UseParallelGC<\/code>: \u4f7f\u7528\u5e76\u884c\u5783\u573e\u56de\u6536\u5668<\/li>\n<li><code>-XX:+UseConcMarkSweepGC<\/code>: \u4f7f\u7528CMS\u5783\u573e\u56de\u6536\u5668<\/li>\n<li><code>-XX:+UseG1GC<\/code>: \u4f7f\u7528G1\u5783\u573e\u56de\u6536\u5668<\/li>\n<\/ul>\n<p>\u793a\u4f8b\uff1a<\/p>\n<pre><code class=\"language-bash\">java -XX:+UseG1GC -jar your-application.jar\n<\/code><\/pre>\n<\/li>\n<li>\n<strong>\u6027\u80fd\u8c03\u4f18\uff1a<\/strong><\/p>\n<ul>\n<li><code>-XX:MaxGCPauseMillis<\/code>: \u8bbe\u7f6e\u6700\u5927\u5783\u573e\u56de\u6536\u505c\u987f\u65f6\u95f4\u76ee\u6807<\/li>\n<li><code>-XX:ParallelGCThreads<\/code>: \u8bbe\u7f6e\u5e76\u884c\u5783\u573e\u56de\u6536\u7684\u7ebf\u7a0b\u6570<\/li>\n<li><code>-XX:ConcGCThreads<\/code>: \u8bbe\u7f6eCMS\u5783\u573e\u56de\u6536\u7684\u5e76\u53d1\u7ebf\u7a0b\u6570<\/li>\n<\/ul>\n<p>\u793a\u4f8b\uff1a<\/p>\n<pre><code class=\"language-bash\">java -XX:MaxGCPauseMillis=50 -XX:ParallelGCThreads=4 -jar your-application.jar\n<\/code><\/pre>\n<\/li>\n<li>\n<strong>JIT\u7f16\u8bd1\u8bbe\u7f6e\uff1a<\/strong><\/p>\n<ul>\n<li><code>-XX:+TieredCompilation<\/code>: \u542f\u7528\u5206\u5c42\u7f16\u8bd1<\/li>\n<li><code>-XX:+PrintCompilation<\/code>: \u8f93\u51fa\u65b9\u6cd5\u7684JIT\u7f16\u8bd1\u4fe1\u606f<\/li>\n<\/ul>\n<p>\u793a\u4f8b\uff1a<\/p>\n<pre><code class=\"language-bash\">java -XX:+TieredCompilation -XX:+PrintCompilation -jar your-application.jar\n<\/code><\/pre>\n<\/li>\n<li>\n<strong>\u5185\u5b58\u6ea2\u51fa\u548c\u9519\u8bef\u5904\u7406\uff1a<\/strong><\/p>\n<ul>\n<li><code>-XX:OnOutOfMemoryError<\/code>: \u8bbe\u7f6e\u5728\u5185\u5b58\u6ea2\u51fa\u65f6\u6267\u884c\u7684\u547d\u4ee4<\/li>\n<li><code>-XX:OnError<\/code>: \u8bbe\u7f6e\u5728\u53d1\u751f\u81f4\u547d\u9519\u8bef\u65f6\u6267\u884c\u7684\u547d\u4ee4<\/li>\n<\/ul>\n<p>\u793a\u4f8b\uff1a<\/p>\n<pre><code class=\"language-bash\">java -XX:OnOutOfMemoryError=&quot;kill -9 %p&quot; -jar your-application.jar\n<\/code><\/pre>\n<\/li>\n<\/ol>\n<p>\u8fd9\u53ea\u662f\u4e00\u5c0f\u90e8\u5206\u53ef\u7528\u7684JVM\u914d\u7f6e\u53c2\u6570\uff0c\u5b9e\u9645\u4f7f\u7528\u65f6\u9700\u8981\u6839\u636e\u5e94\u7528\u7a0b\u5e8f\u7684\u9700\u6c42\u548c\u6027\u80fd\u8c03\u4f18\u7684\u5177\u4f53\u60c5\u51b5\u6765\u9009\u62e9\u548c\u8c03\u6574\u8fd9\u4e9b\u53c2\u6570\u3002\u5efa\u8bae\u67e5\u9605\u5b98\u65b9\u6587\u6863\u6216\u5176\u4ed6\u8d44\u6e90\u83b7\u53d6\u66f4\u8be6\u7ec6\u7684\u53c2\u6570\u5217\u8868\u548c\u8bf4\u660e\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5728Java\u865a\u62df\u673a\uff08JVM\uff09\u4e2d\uff0c\u53ef\u4ee5\u901a\u8fc7\u547d\u4ee4\u884c\u53c2\u6570\u6216\u8005\u5728\u542f\u52a8\u811a\u672c\u4e2d\u914d\u7f6e\u4e00\u7cfb\u5217\u53c2\u6570\u6765\u8c03\u6574JVM\u7684\u884c\u4e3a\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38 [&hellip;]<\/p>\n","protected":false},"author":9,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[119],"tags":[],"class_list":["post-11057","post","type-post","status-publish","format-standard","hentry","category-jvm"],"_links":{"self":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/11057","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/users\/9"}],"replies":[{"embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/comments?post=11057"}],"version-history":[{"count":3,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/11057\/revisions"}],"predecessor-version":[{"id":16938,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/11057\/revisions\/16938"}],"wp:attachment":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/media?parent=11057"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/categories?post=11057"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/tags?post=11057"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}