{"id":10426,"date":"2023-11-28T21:34:29","date_gmt":"2023-11-28T13:34:29","guid":{"rendered":"https:\/\/wx.kaifamiao.info\/?p=10426"},"modified":"2023-12-07T11:24:44","modified_gmt":"2023-12-07T03:24:44","slug":"jvm-zhong-fang-fa-qu-yi-chu-de-yuan-yin","status":"publish","type":"post","link":"http:\/\/wx.kaifamiao.info\/index.php\/2023\/11\/28\/jvm-zhong-fang-fa-qu-yi-chu-de-yuan-yin\/","title":{"rendered":"JVM\u4e2d\u65b9\u6cd5\u533a\u6ea2\u51fa\u7684\u539f\u56e0\uff1f"},"content":{"rendered":"

Java\u865a\u62df\u673a\u7684\u65b9\u6cd5\u533a\uff08Method Area\uff09\u662f\u7528\u4e8e\u5b58\u50a8\u7c7b\u7684\u7ed3\u6784\u4fe1\u606f\u3001\u5e38\u91cf\u3001\u9759\u6001\u53d8\u91cf\u7b49\u6570\u636e\u7684\u533a\u57df\u3002\u65b9\u6cd5\u533a\u6ea2\u51fa\u662f\u6307\u5728\u65b9\u6cd5\u533a\u4e2d\u65e0\u6cd5\u518d\u5206\u914d\u5185\u5b58\u800c\u5bfc\u81f4\u7684\u5185\u5b58\u6ea2\u51fa\u9519\u8bef\u3002\u5e38\u89c1\u7684\u65b9\u6cd5\u533a\u6ea2\u51fa\u9519\u8bef\u6709\u4e24\u79cd\uff1a<\/p>\n

    \n
  1. \nMetaspace\u6ea2\u51fa\uff08JVM8\u4e4b\u540e\u7684\u7248\u672c\uff09\uff1a<\/strong><\/p>\n
      \n
    • \u5728JVM 8\u53ca\u4e4b\u540e\uff0c\u65b9\u6cd5\u533a\u88ab\u66ff\u6362\u4e3aMetaspace\uff0c\u662f\u4e00\u79cd\u4e0e\u6301\u4e45\u4ee3\u4e0d\u540c\u7684\u5185\u5b58\u533a\u57df\u3002<\/li>\n
    • Metaspace\u4f7f\u7528\u672c\u5730\u5185\u5b58\uff08native memory\uff09\u800c\u4e0d\u662f\u865a\u62df\u673a\u5185\u5b58\uff0c\u56e0\u6b64\u53d7\u9650\u4e8e\u672c\u5730\u5185\u5b58\u7684\u5927\u5c0f\u3002<\/li>\n
    • Metaspace\u6ea2\u51fa\u901a\u5e38\u662f\u7531\u4e8e\u52a0\u8f7d\u8fc7\u591a\u7684\u7c7b\u6216\u52a8\u6001\u751f\u6210\u7684\u7c7b\uff08\u6bd4\u5982\u4f7f\u7528\u53cd\u5c04\u6216\u52a8\u6001\u4ee3\u7406\uff09\u5bfc\u81f4Metaspace\u8017\u5c3d\u3002<\/li>\n<\/ul>\n<\/li>\n
    • \n\u6301\u4e45\u4ee3\u6ea2\u51fa\uff08JVM8\u4e4b\u524d\u7684\u7248\u672c\uff09\uff1a<\/strong><\/p>\n
        \n
      • \u5728JVM 8\u53ca\u4e4b\u524d\u7684\u7248\u672c\uff0c\u65b9\u6cd5\u533a\u88ab\u79f0\u4e3a\u6301\u4e45\u4ee3\uff08Permanent Generation\uff09\u3002<\/li>\n
      • \u6301\u4e45\u4ee3\u6ea2\u51fa\u901a\u5e38\u662f\u7531\u4e8e\u52a0\u8f7d\u4e86\u5927\u91cf\u7684\u7c7b\u548c\u5b57\u7b26\u4e32\u5e38\u91cf\uff0c\u6216\u8005\u52a8\u6001\u751f\u6210\u7684\u7c7b\u8fc7\u591a\uff0c\u5bfc\u81f4\u6301\u4e45\u4ee3\u65e0\u6cd5\u627f\u8f7d\u66f4\u591a\u7684\u7c7b\u5b9a\u4e49\u548c\u5e38\u91cf\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n

        \u65b9\u6cd5\u533a\u6ea2\u51fa\u7684\u539f\u56e0\u4e3b\u8981\u6709\uff1a<\/p>\n

          \n
        • \u52a8\u6001\u751f\u6210\u7c7b\u8fc7\u591a\uff1a<\/strong> \u4f7f\u7528\u4e00\u4e9b\u52a8\u6001\u4ee3\u7406\u3001\u53cd\u5c04\u7b49\u6280\u672f\uff0c\u53ef\u80fd\u4f1a\u5728\u8fd0\u884c\u65f6\u751f\u6210\u5927\u91cf\u65b0\u7684\u7c7b\uff0c\u5bfc\u81f4\u65b9\u6cd5\u533a\u6ea2\u51fa\u3002<\/li>\n
        • \u7c7b\u7684\u751f\u547d\u5468\u671f\u957f\uff1a<\/strong> \u5982\u679c\u52a0\u8f7d\u7684\u7c7b\u751f\u547d\u5468\u671f\u5f88\u957f\uff0c\u4e0d\u4f1a\u88ab\u53ca\u65f6\u5378\u8f7d\uff0c\u65b9\u6cd5\u533a\u4f1a\u4e0d\u65ad\u79ef\u7d2f\uff0c\u53ef\u80fd\u5bfc\u81f4\u6ea2\u51fa\u3002<\/li>\n
        • \u5927\u91cf\u5b57\u7b26\u4e32\u5e38\u91cf\uff1a<\/strong> \u5982\u679c\u5927\u91cf\u5b57\u7b26\u4e32\u5e38\u91cf\u88ab\u52a0\u8f7d\u5230\u65b9\u6cd5\u533a\uff0c\u4e5f\u4f1a\u589e\u52a0\u65b9\u6cd5\u533a\u7684\u5185\u5b58\u5360\u7528\u3002<\/li>\n<\/ul>\n

          \u65b9\u6cd5\u533a\u6ea2\u51fa\u901a\u5e38\u4e0d\u592a\u5bb9\u6613\u590d\u73b0\uff0c\u800c\u4e14\u5728Java 8\u4e4b\u540e\u4f7f\u7528\u4e86Metaspace\u66ff\u4ee3\u4e86\u6301\u4e45\u4ee3\uff0c\u56e0\u6b64\u5bf9\u4e8eJVM8\u53ca\u4e4b\u540e\u7684\u7248\u672c\uff0c\u4e3b\u8981\u5173\u6ce8Metaspace\u7684\u6ea2\u51fa\u60c5\u51b5\u3002\u4e3a\u4e86\u9632\u6b62\u65b9\u6cd5\u533a\u6ea2\u51fa\uff0c\u53ef\u4ee5\u8003\u8651\u8c03\u6574\u865a\u62df\u673a\u53c2\u6570\uff0c\u5982\u589e\u52a0Metaspace\u7684\u5927\u5c0f\u7b49\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

          Java\u865a\u62df\u673a\u7684\u65b9\u6cd5\u533a\uff08Method Area\uff09\u662f\u7528\u4e8e\u5b58\u50a8\u7c7b\u7684\u7ed3\u6784\u4fe1\u606f\u3001\u5e38\u91cf\u3001\u9759\u6001\u53d8\u91cf\u7b49\u6570\u636e\u7684\u533a\u57df\u3002\u65b9\u6cd5\u533a\u6ea2\u51fa […]<\/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-10426","post","type-post","status-publish","format-standard","hentry","category-jvm"],"_links":{"self":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/10426","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=10426"}],"version-history":[{"count":2,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/10426\/revisions"}],"predecessor-version":[{"id":16837,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/10426\/revisions\/16837"}],"wp:attachment":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/media?parent=10426"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/categories?post=10426"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/tags?post=10426"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}