{"id":10155,"date":"2023-11-28T21:27:42","date_gmt":"2023-11-28T13:27:42","guid":{"rendered":"https:\/\/wx.kaifamiao.info\/?p=10155"},"modified":"2023-12-07T10:55:33","modified_gmt":"2023-12-07T02:55:33","slug":"jvm-zhong-nei-cun-fen-pei-yu-hui-shou-ce-lue","status":"publish","type":"post","link":"http:\/\/wx.kaifamiao.info\/index.php\/2023\/11\/28\/jvm-zhong-nei-cun-fen-pei-yu-hui-shou-ce-lue\/","title":{"rendered":"JVM\u4e2d\u5185\u5b58\u5206\u914d\u4e0e\u56de\u6536\u7b56\u7565\uff1f"},"content":{"rendered":"

\u5728Java\u865a\u62df\u673a\u4e2d\uff0c\u5185\u5b58\u5206\u914d\u548c\u56de\u6536\u662f\u5783\u573e\u6536\u96c6\u7684\u6838\u5fc3\u5185\u5bb9\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u89c1\u7684\u5185\u5b58\u5206\u914d\u4e0e\u56de\u6536\u7b56\u7565\uff1a<\/p>\n

<\/span><\/a>\u5185\u5b58\u5206\u914d\u7b56\u7565\uff1a<\/h3>\n
    \n
  1. \n\u5bf9\u8c61\u4f18\u5148\u5728Eden\u533a\u5206\u914d\uff1a<\/strong> \u5927\u90e8\u5206\u65b0\u521b\u5efa\u7684\u5bf9\u8c61\u90fd\u4f1a\u88ab\u5206\u914d\u5230Eden\u533a\u3002Eden\u533a\u662f\u5e74\u8f7b\u4ee3\u7684\u4e00\u90e8\u5206\uff0c\u7528\u4e8e\u5b58\u653e\u65b0\u521b\u5efa\u7684\u5bf9\u8c61\u3002\n<\/li>\n
  2. \n\u5927\u5bf9\u8c61\u76f4\u63a5\u8fdb\u5165\u8001\u5e74\u4ee3\uff1a<\/strong> \u5982\u679c\u4e00\u4e2a\u5bf9\u8c61\u7684\u5927\u5c0f\u8d85\u8fc7\u4e86\u4e00\u5b9a\u9608\u503c\uff08\u4f8b\u5982-XX:PretenureSizeThreshold\u53c2\u6570\u8bbe\u7f6e\u7684\u503c\uff09\uff0c\u5219\u4f1a\u76f4\u63a5\u5728\u8001\u5e74\u4ee3\u4e2d\u5206\u914d\u7a7a\u95f4\u3002\n<\/li>\n
  3. \n\u957f\u671f\u5b58\u6d3b\u7684\u5bf9\u8c61\u8fdb\u5165\u8001\u5e74\u4ee3\uff1a<\/strong> \u5bf9\u8c61\u7ecf\u8fc7\u591a\u6b21\u5783\u573e\u56de\u6536\u4ecd\u7136\u5b58\u6d3b\u7684\uff0c\u4f1a\u9010\u6e10\u664b\u5347\u5230\u8001\u5e74\u4ee3\u3002\u53ef\u4ee5\u901a\u8fc7\u8bbe\u7f6e -XX:MaxTenuringThreshold<\/code> \u53c2\u6570\u8c03\u6574\u664b\u5347\u7684\u9608\u503c\u3002\n<\/li>\n
  4. \n\u52a8\u6001\u5bf9\u8c61\u5e74\u9f84\u5224\u5b9a\uff1a<\/strong> \u865a\u62df\u673a\u4f1a\u52a8\u6001\u5730\u68c0\u6d4b\u6bcf\u4e2a\u5bf9\u8c61\u7684\u5e74\u9f84\uff0c\u6839\u636e\u5e74\u9f84\u664b\u5347\u5230\u4e0d\u540c\u7684\u533a\u57df\u3002\u8fd9\u662f\u4e3a\u4e86\u907f\u514d\u4e00\u4e9b\u201c\u671d\u751f\u5915\u6b7b\u201d\u7684\u5bf9\u8c61\u8fc7\u65e9\u5730\u664b\u5347\u5230\u8001\u5e74\u4ee3\u3002\n<\/li>\n<\/ol>\n

    <\/span><\/a>\u5185\u5b58\u56de\u6536\u7b56\u7565\uff1a<\/h3>\n
      \n
    1. \nMinor GC\uff1a<\/strong> \u9488\u5bf9\u5e74\u8f7b\u4ee3\u7684\u5783\u573e\u56de\u6536\u79f0\u4e3aMinor GC\u3002\u5b83\u4e3b\u8981\u5173\u6ce8Eden\u533a\u548cSurvivor\u533a\u7684\u56de\u6536\uff0c\u4e00\u822c\u4f7f\u7528\u590d\u5236\u7b97\u6cd5\uff0c\u5c06\u5b58\u6d3b\u7684\u5bf9\u8c61\u590d\u5236\u5230\u53e6\u4e00\u4e2aSurvivor\u533a\u6216\u8001\u5e74\u4ee3\u3002\n<\/li>\n
    2. \nMajor GC\uff08Full GC\uff09\uff1a<\/strong> \u9488\u5bf9\u8001\u5e74\u4ee3\u7684\u5783\u573e\u56de\u6536\u79f0\u4e3aMajor GC\u6216Full GC\u3002\u5b83\u6d89\u53ca\u6574\u4e2a\u5806\u5185\u5b58\u7684\u56de\u6536\uff0c\u5305\u62ec\u5e74\u8f7b\u4ee3\u548c\u8001\u5e74\u4ee3\u3002Full GC\u7684\u6210\u672c\u8f83\u9ad8\uff0c\u4f1a\u5bfc\u81f4\u8f83\u957f\u7684\u505c\u987f\u65f6\u95f4\uff0c\u56e0\u6b64\u5c3d\u91cf\u51cf\u5c11Full GC\u7684\u53d1\u751f\u3002\n<\/li>\n
    3. \n\u5e76\u53d1\u4e0e\u5e76\u884c\uff1a<\/strong><\/p>\n
        \n
      • \u5e76\u884c\u5783\u573e\u56de\u6536\uff1a<\/strong> \u5728\u5783\u573e\u56de\u6536\u65f6\uff0c\u591a\u4e2a\u7ebf\u7a0b\u5e76\u884c\u5730\u8fdb\u884c\uff0c\u63d0\u9ad8\u5783\u573e\u56de\u6536\u7684\u6548\u7387\u3002\u4f8b\u5982\uff0cParallel\u6536\u96c6\u5668\u4e3b\u8981\u7528\u4e8e\u5e74\u8f7b\u4ee3\u7684\u5783\u573e\u56de\u6536\u3002<\/li>\n
      • \u5e76\u53d1\u5783\u573e\u56de\u6536\uff1a<\/strong> \u5728\u5783\u573e\u56de\u6536\u8fc7\u7a0b\u4e2d\uff0c\u5783\u573e\u6536\u96c6\u7ebf\u7a0b\u548c\u5e94\u7528\u7a0b\u5e8f\u7ebf\u7a0b\u540c\u65f6\u6267\u884c\uff0c\u4ee5\u51cf\u5c0f\u5783\u573e\u56de\u6536\u5bf9\u5e94\u7528\u7a0b\u5e8f\u7684\u5f71\u54cd\u3002\u4f8b\u5982\uff0cCMS\u6536\u96c6\u5668\u548cG1\u6536\u96c6\u5668\u90fd\u5c5e\u4e8e\u5e76\u53d1\u5783\u573e\u56de\u6536\u5668\u3002<\/li>\n<\/ul>\n<\/li>\n
      • \n\u7a7a\u95f4\u5206\u914d\u62c5\u4fdd\uff1a<\/strong> \u5728\u8fdb\u884cMinor GC\u65f6\uff0c\u5982\u679cSurvivor\u533a\u65e0\u6cd5\u5bb9\u7eb3Eden\u533a\u4e2d\u5b58\u6d3b\u7684\u5bf9\u8c61\uff0c\u6216\u8005\u8001\u5e74\u4ee3\u65e0\u6cd5\u5bb9\u7eb3\u5e74\u8f7b\u4ee3\u4e2d\u7684\u5b58\u6d3b\u5bf9\u8c61\uff0c\u5c31\u4f1a\u89e6\u53d1\u4e00\u6b21Full GC\u3002\u4e3a\u4e86\u907f\u514d\u8fd9\u79cd\u60c5\u51b5\uff0c\u865a\u62df\u673a\u4f1a\u6267\u884c\u7a7a\u95f4\u5206\u914d\u62c5\u4fdd\uff0c\u63d0\u524d\u664b\u5347\u5bf9\u8c61\u6216\u89e6\u53d1\u4e00\u6b21Full GC\u3002\n<\/li>\n
      • \n\u6c38\u4e45\u4ee3\u7684\u5783\u573e\u56de\u6536\uff1a<\/strong> \u5728Java 8\u53ca\u4e4b\u524d\u7684\u7248\u672c\u4e2d\uff0c\u6c38\u4e45\u4ee3\uff08PermGen\uff09\u4e3b\u8981\u7528\u4e8e\u5b58\u653e\u7c7b\u7684\u5143\u4fe1\u606f\u7b49\uff0c\u5783\u573e\u56de\u6536\u7531Full GC\u8d1f\u8d23\u3002Java 8\u53ca\u4ee5\u4e0a\u7248\u672c\u79fb\u9664\u4e86\u6c38\u4e45\u4ee3\uff0c\u6539\u4e3a\u4f7f\u7528\u5143\u7a7a\u95f4\uff08Metaspace\uff09\uff0c\u5783\u573e\u56de\u6536\u7531Metaspace\u6536\u96c6\u5668\u8d1f\u8d23\u3002\n<\/li>\n<\/ol>\n

        \u8fd9\u4e9b\u7b56\u7565\u7684\u9009\u62e9\u53d6\u51b3\u4e8e\u5e94\u7528\u7a0b\u5e8f\u7684\u7279\u6027\u3001\u786c\u4ef6\u73af\u5883\u548c\u6027\u80fd\u8981\u6c42\u3002\u4e0d\u540c\u7684\u5783\u573e\u6536\u96c6\u5668\u548c\u8c03\u4f18\u53c2\u6570\u53ef\u4ee5\u6839\u636e\u5177\u4f53\u9700\u6c42\u6765\u8fdb\u884c\u8c03\u6574\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

        \u5728Java\u865a\u62df\u673a\u4e2d\uff0c\u5185\u5b58\u5206\u914d\u548c\u56de\u6536\u662f\u5783\u573e\u6536\u96c6\u7684\u6838\u5fc3\u5185\u5bb9\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u89c1\u7684\u5185\u5b58\u5206\u914d\u4e0e\u56de\u6536\u7b56\u7565\uff1a \u5185\u5b58\u5206\u914d\u7b56\u7565\uff1a […]<\/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-10155","post","type-post","status-publish","format-standard","hentry","category-jvm"],"_links":{"self":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/10155","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=10155"}],"version-history":[{"count":2,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/10155\/revisions"}],"predecessor-version":[{"id":16807,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/10155\/revisions\/16807"}],"wp:attachment":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/media?parent=10155"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/categories?post=10155"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/tags?post=10155"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}