{"id":102748,"date":"2020-05-08T19:24:10","date_gmt":"2020-05-08T11:24:10","guid":{"rendered":"http:\/\/4563.org\/?p=102748"},"modified":"2020-05-08T19:24:10","modified_gmt":"2020-05-08T11:24:10","slug":"jvm-%e6%80%a7%e8%83%bd%e8%b0%83%e4%bc%98-%e9%97%ae%e9%a2%98%e8%af%b7%e6%95%99","status":"publish","type":"post","link":"http:\/\/4563.org\/?p=102748","title":{"rendered":"jvm \u6027\u80fd\u8c03\u4f18&#8211;\u95ee\u9898\u8bf7\u6559"},"content":{"rendered":"<div>\n<div>\n<div>\n<h1>                  jvm \u6027\u80fd\u8c03\u4f18&#8211;\u95ee\u9898\u8bf7\u6559               <\/h1>\n<p> <\/p>\n<div>\n<div> <span>\u8cc7\u6df1\u5927\u4f6c : chunrong918 <\/span>  <span><i><\/i> 55<\/span> <\/div>\n<div> <\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n<div isfirst=\"1\"> <\/p>\n<p>\u9664\u4e86\u8bbe\u7f6e\u65b0\u751f\u4ee3\uff0c\u8001\u5e74\u4ee3\u6bd4\u4f8b\u5927\u5c0f\uff0c\u9009\u62e9 gc \u6536\u96c6\u5668\uff0c<\/p>\n<p>\u8fd8\u53ef\u4ee5\u8fdb\u884c\u54ea\u4e9b\u65b9\u9762\u7684\u8c03\u4f18<\/p>\n<\/p><\/div>\n<div> <b>\u5927\u4f6c\u6709\u8a71\u8aaa<\/b> (<span>14<\/span>)        <\/div>\n<div> <\/div>\n<\/p><\/div>\n<\/p><\/div>\n<ul>\n<li data-pid=\"692299\" data-uid=\"2\">\n<div>\n<div>\n<div> <span>\u8cc7\u6df1\u5927\u4f6c : ericgui <\/span>  <\/div>\n<div> <i title=\"\u5f15\u7528\"><\/i>  <span>          <\/span> <\/div>\n<\/p><\/div>\n<div>                                                             https:\/\/gist.github.com\/djspiewak\/464c11307cabc80171c90397d4ec34ef <button onclick=\"lazyGist(this)\">\u00a0\u663e\u793a Gist \u4ee3\u7801\u00a0<\/button> <\/div>\n<\/p><\/div>\n<\/li>\n<li data-pid=\"692300\" data-uid=\"2\">\n<div>\n<div>\n<div> <span>\u8cc7\u6df1\u5927\u4f6c : sagaxu <\/span>  <\/div>\n<div> <i title=\"\u5f15\u7528\"><\/i>  <span>          <\/span> <\/div>\n<\/p><\/div>\n<div>                                                             \u5982\u679c\u6709\u56fa\u5b9a\u7684\u8c03\u4f18\u53c2\u6570\uff0cjvm \u65e9\u505a\u6210\u9ed8\u8ba4\u53c2\u6570\u4e86                                                            <\/div>\n<\/p><\/div>\n<\/li>\n<li data-pid=\"692301\" data-uid=\"2\">\n<div>\n<div>\n<div> <span>\u8cc7\u6df1\u5927\u4f6c : coolmenu <\/span>  <\/div>\n<div> <i title=\"\u5f15\u7528\"><\/i>  <span>          <\/span> <\/div>\n<\/p><\/div>\n<div>                                                             Oracle \u4f30\u8ba1\u5feb\u51fa\u4e00\u7248\u57fa\u4e8e ai \u7684\u8c03\u6559\u4e86                                                            <\/div>\n<\/p><\/div>\n<\/li>\n<li data-pid=\"692302\" data-uid=\"2\">\n<div>\n<div>\n<div> <span>\u8cc7\u6df1\u5927\u4f6c : zartouch <\/span>  <\/div>\n<div> <i title=\"\u5f15\u7528\"><\/i>  <span>          <\/span> <\/div>\n<\/p><\/div>\n<div>                                                             \u5efa\u8bae\u53bb\u7ffb gc \u53c2\u6570\uff0c\u4e0d\u540c\u7684 gc \u6536\u96c6\u5668\u662f\u4e0d\u4e00\u6837\u7684\u3002\u6bd4\u5982 cms \u4e4b\u524d\u6211\u4eec\u8fd8\u4f1a\u8bbe\u7f6e\uff0cobjects \u5360\u6bd4\u591a\u5c11\u7684\u65f6\u5019\u542f\u52a8 cms\uff0c\u542f\u7528\u591a\u5c11\u7ebf\u7a0b\u6570\uff0cfull gc \u65f6\u5f3a\u5236\u9884\u5904\u7406\uff08 CMSMaxAbortablePrecleanTime \u9ed8\u8ba4 5s \uff09\u3002\u5176\u4ed6\u7684\u8fd8\u6709\u664b\u5347\u8001\u5e74\u4ee3\u7684\u9608\u503c\u7b49                                                            <\/div>\n<\/p><\/div>\n<\/li>\n<li data-pid=\"692303\" data-uid=\"2\">\n<div>\n<div>\n<div> <span>\u8cc7\u6df1\u5927\u4f6c : wysnylc <\/span>  <\/div>\n<div> <i title=\"\u5f15\u7528\"><\/i>  <span>          <\/span> <\/div>\n<\/p><\/div>\n<div>                                                             \u5efa\u8bae\u5f00\u59cb\u4e86\u89e3 zgc,\u5df2\u7ecf\u53d6\u6d88\u65b0\u751f\u4ee3\u8001\u5e74\u4ee3\u6c38\u4e45\u4ee3,\u5c31\u5269\u4e0b\u4e2a\u5143\u7a7a\u95f4                                                            <\/div>\n<\/p><\/div>\n<\/li>\n<li data-pid=\"692304\" data-uid=\"2\">\n<div>\n<div>\n<div> <span>\u8cc7\u6df1\u5927\u4f6c : chendy <\/span>  <\/div>\n<div> <i title=\"\u5f15\u7528\"><\/i>  <span>          <\/span> <\/div>\n<\/p><\/div>\n<div>                                                             \u53c2\u8003\u8fd9\u4e2a\u5427\uff1a http:\/\/calvin1978.blogcn.com\/articles\/jvmoption-7.html                                                            <\/div>\n<\/p><\/div>\n<\/li>\n<li data-pid=\"692305\" data-uid=\"2\">\n<div>\n<div>\n<div> <span>\u8cc7\u6df1\u5927\u4f6c : HiShan <\/span>  <\/div>\n<div> <i title=\"\u5f15\u7528\"><\/i>  <span>          <\/span> <\/div>\n<\/p><\/div>\n<div>                                                             \u5177\u4f53\u573a\u666f\u662f\u5565\uff1f\u6bcf\u4e2a\u573a\u666f\u9002\u7528\u4e0d\u540c\u7684 gc \u5c31\u884c\u4e86\uff0c\u4e00\u822c\u90fd\u4e0d\u7528\u8c03                                                            <\/div>\n<\/p><\/div>\n<\/li>\n<li data-pid=\"692306\" data-uid=\"2\">\n<div>\n<div>\n<div> <span>\u8cc7\u6df1\u5927\u4f6c : anyele <\/span>  <\/div>\n<div> <i title=\"\u5f15\u7528\"><\/i>  <span>          <\/span> <\/div>\n<\/p><\/div>\n<div>                                                             \u642d\u8f66\u95ee\uff0c\u6709 zgc \u540e\uff0c\u8fd8\u9700\u8981 jvm \u8c03\u4f18\u5417                                                            <\/div>\n<\/p><\/div>\n<\/li>\n<li data-pid=\"692307\" data-uid=\"2\">\n<div>\n<div>\n<div> <span>\u8cc7\u6df1\u5927\u4f6c : lewis89 <\/span>  <\/div>\n<div> <i title=\"\u5f15\u7528\"><\/i>  <span>          <\/span> <\/div>\n<\/p><\/div>\n<div>                                                             \u5176\u5b9e\u8bf4\u5b9e\u8bdd JVM \u771f\u7684\u6ca1\u5565\u597d\u8c03\u4f18\u7684\uff0c\u9664\u4e86\u5728 \u541e\u5410\u91cf \u5185\u5b58\u5360\u7528 \u5ef6\u65f6\u4e0a \u505a\u4e2a\u53d6\u820d\uff0c\u9009\u4e2a GC \u7b97\u6cd5\uff0c\u5176\u4f59\u771f\u7684\u6ca1\u5565\u597d\u8c03\u7684\uff0c\u9ed8\u8ba4\u5c31\u591f\u4e86\uff0c\u50cf CMS \u65b0\u751f\u4ee3\u91c7\u7528 \u6807\u8bb0\u590d\u5236\u7b97\u6cd5\uff0c\u5df2\u7ecf\u7ed9\u4f60\u914d\u597d\u6bd4\u4f8b\u4e86 \u4f60\u81ea\u5df1\u53bb\u4f18\u5316\u5b8c\u5168\u5c31\u662f \u81ea\u53d6\u5176\u8fb1\u3002                                                            <\/div>\n<\/p><\/div>\n<\/li>\n<li data-pid=\"692308\" data-uid=\"2\">\n<div>\n<div>\n<div> <span>\u8cc7\u6df1\u5927\u4f6c : cubecube <\/span>  <\/div>\n<div> <i title=\"\u5f15\u7528\"><\/i>  <span>          <\/span> <\/div>\n<\/p><\/div>\n<div>                                                             @lewis89 \u4e5f\u4e0d\u5b8c\u5168\u5bf9\u3002jvm \u4e30\u5bcc\u7684 gc \u53c2\u6570\u7075\u6d3b\u6027\u8fd8\u662f\u5f88\u68d2\u7684\uff0c\u4e0d\u540c\u7684\u573a\u666f\u4e0b\u4e0d\u540c\u7684\u9002\u7528\u53c2\u6570\uff0c\u5728\u5185\u5b58\u53d7\u9650\u6216\u8005\u8fdb\u7a0b\u5e38\u9a7b\u7684\u60c5\u51b5\u4e0b\u8fd8\u633a\u91cd\u8981\u7684\u3002\u53e6\u5916 cms \u90e8\u5206\u53c2\u6570\u4e71\u8c03\u6574\u7684\u8bdd\uff0c\u8fd8\u4e0d\u5982\u4e0d\u8c03\u6574\uff0c \u5bb9\u6613\u9002\u5f97\u5176\u53cd\uff0c\u5bfc\u81f4\u9891\u7e41 full gc                                                            <\/div>\n<\/p><\/div>\n<\/li>\n<li data-pid=\"692309\" data-uid=\"2\">\n<div>\n<div>\n<div> <span>\u8cc7\u6df1\u5927\u4f6c : cubecube <\/span>  <\/div>\n<div> <i title=\"\u5f15\u7528\"><\/i>  <span>          <\/span> <\/div>\n<\/p><\/div>\n<div>                                                             cms \u5728 jdk14 \u8c8c\u4f3c\u90fd\u8981\u88ab\u5220\u9664\u4e86\uff0c\u65b0\u9879\u76ee\u6700\u597d\u76f4\u63a5 g1                                                            <\/div>\n<\/p><\/div>\n<\/li>\n<li data-pid=\"692310\" data-uid=\"2\">\n<div>\n<div>\n<div> <span>\u8cc7\u6df1\u5927\u4f6c : lewis89 <\/span>  <\/div>\n<div> <i title=\"\u5f15\u7528\"><\/i>  <span>          <\/span> <\/div>\n<\/p><\/div>\n<div>                                                             @cubecube #10 \u5c31\u5fae\u670d\u52a1\u67b6\u6784\u8fd9\u5757\uff0c\u6211\u89c9\u5f97\u6ca1\u5565\u597d\u8c03\u4f18\u7684\uff0c\u4e00\u4e2a\u670d\u52a1\u5b9e\u4f8b\u6491\u6b7b\u5c31\u7ed9\u51e0\u4e2a G \u7684\u5185\u5b58\uff0c\u5728 GC \u56de\u6536\u53c2\u6570\u4e0a\u8c03\u4f18\u57fa\u672c\u4e0a\u6ca1\u6709\u592a\u5927\u610f\u4e49\uff0c\u5355\u4e2a\u670d\u52a1\u5b9e\u4f8b\u5982\u679c\u51fa\u73b0\u95ee\u9898\uff0c\u901a\u8fc7\u94fe\u8def\u76d1\u6d4b\u964d\u4f4e\u5b83\u7684\u8d1f\u8f7d\uff0c\u6216\u8005\u76f4\u63a5\u8ba9\u5b83\u4e0b\u7ebf\uff0c\u8ba9\u5176\u5b83\u5b9e\u4f8b\u9876\u4e0a\uff0c\u53cd\u6b63\u5b9e\u4f8b\u90fd\u662f\u65e0\u72b6\u6001\u7684\uff0c\u95ee\u9898\u4e0d\u5927\u3002                                                            <\/div>\n<\/p><\/div>\n<\/li>\n<li data-pid=\"692311\" data-uid=\"2\">\n<div>\n<div>\n<div> <span>\u8cc7\u6df1\u5927\u4f6c : lewis89 <\/span>  <\/div>\n<div> <i title=\"\u5f15\u7528\"><\/i>  <span>          <\/span> <\/div>\n<\/p><\/div>\n<div>                                                             @cubecube #10 \u4e3b\u8981\u73b0\u5728\u5df2\u7ecf\u4e0d\u662f\u5355\u4f53\u65f6\u4ee3\u4e86\uff0c\u7f51\u4e0a\u6709\u5f88\u591a\u6bb5\u5b50\uff0c\u8bf4\u516c\u53f8\u8001\u7684\u670d\u52a1 \u8001\u662f OOM \u91cd\u542f\uff0c\u4f46\u662f\u53c8\u6392\u67e5\u4e0d\u4e86\u539f\u56e0\uff0cleader \u4e3a\u4e86\u5927\u5bb6\u665a\u4e0a\u7761\u4e2a\u597d\u89c9\uff0c\u540e\u6765\u5e72\u8106\u641e\u4e86\u5341\u51e0\u4e2a\u5b9e\u4f8b\u526f\u672c\uff0c\u81ea\u52a8\u8d1f\u8f7d\u5747\u8861\uff0c\u5982\u679c\u54ea\u4e2a\u670d\u52a1\u6302\u58c1\u4e86 \u8ba9\u5b83\u76f4\u63a5 down \u6389\u91cd\u542f\uff0c\u8ba9\u5907\u7528\u5b9e\u4f8b\u9876\u4e0a\u3002                                                            <\/div>\n<\/p><\/div>\n<\/li>\n<li data-pid=\"692312\" data-uid=\"2\">\n<div>\n<div>\n<div> <span>\u8cc7\u6df1\u5927\u4f6c : Aresxue <\/span>  <\/div>\n<div> <i title=\"\u5f15\u7528\"><\/i>  <span>          <\/span> <\/div>\n<\/p><\/div>\n<div>                                                             \u611f\u89c9\u8fd8\u4e0d\u5982\u7814\u7a76\u4e0b\u600e\u4e48\u8c03\u6574\u7ebf\u7a0b\u6570\u3001\u6570\u636e\u5e93\u8fde\u63a5\u8fd9\u4e9b\u4e1c\u897f\u3002\u3002\u3002                                                            <\/div>\n<\/p><\/div>\n<\/li>\n<li>\n","protected":false},"excerpt":{"rendered":"<p>jvm 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