{"id":398,"date":"2022-04-19T21:46:09","date_gmt":"2022-04-19T13:46:09","guid":{"rendered":"https:\/\/www.xudongvp.com\/?p=398"},"modified":"2022-04-19T21:57:03","modified_gmt":"2022-04-19T13:57:03","slug":"%e5%85%b3%e4%ba%8ejvm%e5%9e%83%e5%9c%be%e6%94%b6%e9%9b%86%e5%99%a8%e7%9b%b8%e5%85%b3%e7%9a%84%e4%b8%80%e7%82%b9%e4%ba%8b%e6%83%85","status":"publish","type":"post","link":"https:\/\/www.xudongvp.com\/?p=398","title":{"rendered":"\u5173\u4e8eJVM\u5783\u573e\u6536\u96c6\u5668\u76f8\u5173\u7684\u4e00\u70b9\u4e8b\u60c5"},"content":{"rendered":"\n<p>\u6700\u8fd1\u5728\u7ffbJAVA\u5b98\u65b9\u7684\u4e00\u4e9b\u6587\u6863\u3002\u5173\u4e8eJAVA\u5783\u573e\u6536\u96c6\u5668GC\u7684\u5185\u5bb9\uff0c\u662f\u91cd\u70b9\u4e4b\u4e00\u3002<\/p>\n\n\n\n<figure class=\"wp-block-table is-style-stripes\"><table><tbody><tr><td>GC\u540d\u79f0<\/td><td>\u4e2d\u6587\u540d\u79f0<\/td><td>\u542f\u7528\u53c2\u6570<\/td><td>\u7279\u6027<\/td><td>\u5907\u6ce8<\/td><\/tr><tr><td>Serial Collector<\/td><td>\u4e32\u884c\u6536\u96c6\u5668<\/td><td>-XX:+UseSerialGC<\/td><td>\u5355\u7ebf\u7a0b\u5783\u573e\u56de\u6536<\/td><td><\/td><\/tr><tr><td>Parallel Collector<\/td><td>\u5e76\u884c\u6536\u96c6\u5668<\/td><td>-XX:+UseParallelGC<\/td><td>\u591a\u7ebf\u7a0b\u5783\u573e\u56de\u6536<\/td><td><\/td><\/tr><tr><td>Garbage-First(G1) Garbage Collector<\/td><td>G1\u6536\u96c6\u5668<\/td><td>-XX:+UseG1GC<\/td><td>\u5ef6\u8fdf\u53ef\u63a7\u5783\u573e\u56de\u6536<\/td><td><\/td><\/tr><tr><td>The Z Garbage Collector<\/td><td>Z\u6536\u96c6\u5668<\/td><td>-XX:+UseZGC<\/td><td>\u4f4e\u5ef6\u8fdf\u5783\u573e\u56de\u6536<\/td><td>\u7528\u4e8e\u5ef6\u8fdf\u654f\u611f\u578b<\/td><\/tr><tr><td><\/td><td><\/td><td><\/td><td><\/td><td><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>\u81f3\u4e8e\u5927\u5bb6\u5e38\u63d0\u8d77\u7684CMS\uff0c\u8fc7\u6e21\u9636\u6bb5\u7684\u4ea7\u7269\uff0cJDK9\u4e4b\u540e\u5df2\u7ecf\u7070\u98de\u70df\u706d\uff0c\u5c31\u4e0d\u63d0\u4e86\u3002<\/p>\n\n\n\n<p>\u53e6\u5916\u989d\u5916\u8bf4\u4e00\u53e5\uff0c\u522b\u6ca1\u4e8b\u81ea\u5df1\u6307\u5b9aGC\uff0c\u9664\u975e\u4f60\u771f\u7684\u660e\u767d\u4f60\u5728\u4f5c\u751a\u3002\u4e00\u822c\u60c5\u51b5\u4e0b\uff0c\u8ba9JVM\u81ea\u5df1\u53bb\u9009\u62e9GC\u65b9\u5f0f\uff0c\u53e6\u5916\uff0c\u5373\u4fbf\u662f\u4f60\u81ea\u5df1\u6307\u5b9a\u4e86GC\uff0c\u5728\u7279\u5b9a\u6761\u4ef6\u4e0b\u4e5f\u4f1a\u9000\u5316\uff0c\u751a\u81f3\u6700\u7ec8\u9000\u5316\u4e3aSGC\u3002<\/p>\n\n\n\n<p>\u5f15\u7528\u4e0b\u6587\u6863\u539f\u6587\uff1a\u201cUnless your application has rather strict pause-time requirements, first run your application and allow the VM to select a collector.\u201d<\/p>\n\n\n\n<p>\u53e6\u5916\u9644\u4e00\u4e0bJAVA\u5b98\u65b9\u6587\u6863\u5730\u5740\uff1a<a href=\"https:\/\/docs.oracle.com\/en\/java\/javase\/18\/\">https:\/\/docs.oracle.com\/en\/java\/javase\/18\/<\/a><\/p>\n\n\n\n<p>\u90e8\u5206\u53ef\u4e0b\u8f7d\u7684\u8bed\u8a00\u4ee5\u53caJVM\u89c4\u683c\u8bf4\u660e\u4e66\u7b49PDF\u6587\u6863\u5730\u5740\uff1a<a href=\"https:\/\/docs.oracle.com\/javase\/specs\/index.html\">https:\/\/docs.oracle.com\/javase\/specs\/index.html<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6700\u8fd1\u5728\u7ffbJAVA\u5b98\u65b9\u7684\u4e00\u4e9b\u6587\u6863\u3002\u5173\u4e8eJAVA\u5783\u573e\u6536\u96c6\u5668GC\u7684\u5185\u5bb9\uff0c\u662f\u91cd\u70b9\u4e4b\u4e00\u3002 GC\u540d\u79f0 \u4e2d\u6587\u540d\u79f0 \u542f\u7528\u53c2\u6570 \u7279\u6027 \u5907\u6ce8 Serial Collector \u4e32\u884c\u6536\u96c6\u5668 -XX:+UseSerialGC \u5355\u7ebf\u7a0b\u5783\u573e\u56de\u6536 Parallel Collector \u5e76\u884c\u6536\u96c6\u5668 -XX:+UseParallelGC \u591a\u7ebf\u7a0b\u5783\u573e\u56de\u6536 Garbage-First(G1) Garbage Collector G1\u6536\u96c6\u5668 -XX:+UseG1GC \u5ef6\u8fdf\u53ef\u63a7\u5783\u573e\u56de\u6536 The Z Garbage Collector Z\u6536\u96c6\u5668 -XX:+UseZGC \u4f4e\u5ef6\u8fdf\u5783\u573e\u56de\u6536 \u7528\u4e8e\u5ef6\u8fdf\u654f\u611f\u578b \u81f3\u4e8e\u5927\u5bb6\u5e38\u63d0\u8d77\u7684CMS\uff0c\u8fc7\u6e21\u9636\u6bb5\u7684\u4ea7 &hellip;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[5,33,23],"tags":[],"class_list":["post-398","post","type-post","status-publish","format-standard","hentry","category-5","category-33","category-23"],"_links":{"self":[{"href":"https:\/\/www.xudongvp.com\/index.php?rest_route=\/wp\/v2\/posts\/398","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.xudongvp.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.xudongvp.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.xudongvp.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.xudongvp.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=398"}],"version-history":[{"count":2,"href":"https:\/\/www.xudongvp.com\/index.php?rest_route=\/wp\/v2\/posts\/398\/revisions"}],"predecessor-version":[{"id":400,"href":"https:\/\/www.xudongvp.com\/index.php?rest_route=\/wp\/v2\/posts\/398\/revisions\/400"}],"wp:attachment":[{"href":"https:\/\/www.xudongvp.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=398"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.xudongvp.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=398"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.xudongvp.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=398"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}