{"id":114288,"date":"2026-10-08T21:08:48","date_gmt":"2026-10-08T13:08:48","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/114288.html"},"modified":"2026-10-08T21:08:48","modified_gmt":"2026-10-08T13:08:48","slug":"%e3%80%90%e5%90%8e%e7%ab%af%e5%bc%80%e5%8f%91%ef%bd%9cjvm%e5%9f%ba%e7%a1%8001%e3%80%91-java%e5%9e%83%e5%9c%be%e5%9b%9e%e6%94%b6%e5%85%a8%e8%a7%a3%ef%bc%9a%e4%bb%8e%e5%88%86%e4%bb%a3","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/114288.html","title":{"rendered":"\u3010\u540e\u7aef\u5f00\u53d1\uff5cJVM\u57fa\u784001\u3011\u2014\u2014 Java\u5783\u573e\u56de\u6536\u5168\u89e3\uff1a\u4ece\u5206\u4ee3\u5185\u5b58\u6a21\u578b\u5230\u5404\u6536\u96c6\u5668\u7684\u5206\u4ee3\u804c\u8d23"},"content":{"rendered":"

Java \u5783\u573e\u56de\u6536\u5168\u89e3：\u4ece\u5206\u4ee3\u5185\u5b58\u6a21\u578b\u5230\u5404\u6536\u96c6\u5668\u7684\u5206\u4ee3\u804c\u8d23<\/h2>\n

\u5f88\u591a\u4eba\u95ee"\u5783\u573e\u6536\u96c6\u5668\u5230\u5e95\u662f\u6536\u54ea\u4e00\u4ee3\u7684\u5783\u573e"，\u8fd9\u4e2a\u95ee\u9898\u7684\u5751\u5728\u4e8e：\u5b83\u9ed8\u8ba4\u4e86\u6bcf\u4e2a\u6536\u96c6\u5668\u90fd\u6536"\u4e00\u6574\u5806"\u3002\u5b9e\u9645\u4e0a JVM \u628a\u5806\u5206\u6210\u4e86\u5e74\u8f7b\u4ee3\u548c\u8001\u5e74\u4ee3，\u4e0d\u540c\u6536\u96c6\u5668\u8981\u4e48\u53ea\u8d1f\u8d23\u5176\u4e2d\u4e00\u4ee3\u3001\u8981\u4e48\u6574\u5806\u4e00\u628a\u6293\u3001\u8981\u4e48\u5e72\u8106\u4e0d\u5206\u4ee3\u3002\u641e\u61c2\u8fd9\u5f20\u5730\u56fe，\u6bd4\u6b7b\u8bb0\u6bcf\u4e2a\u6536\u96c6\u5668\u7684\u540d\u5b57\u6709\u7528\u5f97\u591a\u3002<\/p>\n

\u672c\u6587\u6309\u4e00\u6761\u9012\u8fdb\u94fe\u8bb2\u900f：GC \u4e3a\u4ec0\u4e48\u5b58\u5728（\u5185\u5b58\u6a21\u578b）\u2192 GC \u5728\u6536\u4ec0\u4e48（\u5bf9\u8c61\u53ef\u8fbe\u6027）\u2192 \u7528\u4ec0\u4e48\u7b97\u6cd5\u6536（\u4e09\u79cd\u56de\u6536\u7b97\u6cd5）\u2192 \u5177\u4f53\u54ea\u4e2a\u6536\u96c6\u5668\u6536\u54ea\u4e00\u4ee3（\u6838\u5fc3）\u2192 \u600e\u4e48\u642d\u914d\u600e\u4e48\u9009\u578b\u3002<\/p>\n

\n

\u4e00\u3001\u5148\u5398\u6e05：GC \u5230\u5e95\u5728\u6536"\u54ea\u4e00\u4ee3"\u7684\u5783\u573e<\/h3>\n

1.1 JVM \u8fd0\u884c\u65f6\u5185\u5b58\u5206\u533a<\/h4>\n

JVM \u628a\u8fd0\u884c\u65f6\u5185\u5b58\u6309\u7528\u9014\u5206\u4e86\u51e0\u5757\u3002\u8ddf\u5783\u573e\u56de\u6536\u76f4\u63a5\u76f8\u5173\u7684\u53ea\u6709\u5806（Heap），\u5176\u4ed6\u533a\u57df\u8981\u4e48\u4e0d\u53c2\u4e0e\u56de\u6536\u3001\u8981\u4e48\u56de\u6536\u89c4\u5219\u7b80\u5355：<\/p>\n\n\u533a\u57df\u662f\u5426\u53c2\u4e0e GC\u8bf4\u660e<\/tr>\n\n\n\n\n
\u5806（Heap）<\/td>\n\u2705 \u4e3b\u8981\u56de\u6536\u5bf9\u8c61<\/td>\n\u5b58\u653e\u5bf9\u8c61\u5b9e\u4f8b，GC \u7684\u4e3b\u6218\u573a<\/td>\n<\/tr>\n
\u65b9\u6cd5\u533a \/ \u5143\u7a7a\u95f4（Metaspace）<\/td>\n\u26a0\ufe0f \u6709\u56de\u6536\u4f46\u8f83\u5f31<\/td>\n\u5b58\u653e\u7c7b\u5143\u4fe1\u606f\u3001\u5e38\u91cf\u6c60，JDK8+ \u7528\u5143\u7a7a\u95f4\u66ff\u4ee3\u6c38\u4e45\u4ee3，\u4e3b\u8981\u56de\u6536"\u5e9f\u5f03\u7684\u7c7b\u548c\u65e0\u7528\u7684\u5e38\u91cf"<\/td>\n<\/tr>\n
\u865a\u62df\u673a\u6808 \/ \u672c\u5730\u65b9\u6cd5\u6808 \/ \u7a0b\u5e8f\u8ba1\u6570\u5668<\/td>\n\u274c \u4e0d\u53c2\u4e0e GC<\/td>\n\u6808\u5e27\u968f\u65b9\u6cd5\u8fdb\u51fa\u6808\u81ea\u52a8\u521b\u5efa\u9500\u6bc1<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

🔴 \u91cd\u70b9：\u5e73\u65f6\u8bf4\u7684"\u5783\u573e\u56de\u6536"，\u4e5d\u6210\u4e5d\u6307\u5806\u7684\u56de\u6536\u3002<\/p>\n

1.2 \u5806\u7684\u5206\u4ee3\u6a21\u578b<\/h4>\n

\u5806\u5185\u90e8\u4e0d\u662f\u4e00\u5768\u6574\u5757，\u800c\u662f\u6309"\u5bf9\u8c61\u5b58\u6d3b\u65f6\u95f4"\u5207\u6210\u4e0d\u540c\u533a\u57df：<\/p>\n

\u250c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500 \u5806 \u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2510
\n\u2502 \u5e74\u8f7b\u4ee3（Young） \u2502 \u8001\u5e74\u4ee3（Old） \u2502
\n\u2502 \u250c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u252c\u2500\u2500\u2500\u2500\u2500\u252c\u2500\u2500\u2500\u2500\u2500\u2510 \u2502 \u2502
\n\u2502 \u2502 Eden \u2502 S0 \u2502 S1 \u2502 \u2502 \u2502
\n\u2502 \u2514\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2534\u2500\u2500\u2500\u2500\u2500\u2534\u2500\u2500\u2500\u2500\u2500\u2518 \u2502 \u2502
\n\u2514\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2518
\n Eden：\u65b0\u5bf9\u8c61\u51fa\u751f\u5730
\n Survivor S0\/S1：\u4ece Eden \u71ac\u8fc7\u4e00\u8f6e GC \u7684"\u5e78\u5b58\u8005"，\u4e24\u5757\u6765\u56de\u5012
\n Old：\u71ac\u8fc7\u591a\u8f6e GC \u7684\u5bf9\u8c61，\u6216\u8005\u5927\u5bf9\u8c61\u76f4\u63a5\u8fdb\u6765<\/p>\n

    \n
  • \u5e74\u8f7b\u4ee3：Eden + \u4e24\u5757 Survivor（S0\/S1）\u3002\u7edd\u5927\u591a\u6570\u5bf9\u8c61\u5728\u8fd9\u51fa\u751f\u3001\u4e5f\u5728\u8fd9\u6d88\u4ea1\u3002<\/li>\n
  • \u8001\u5e74\u4ee3：\u5b58\u6d3b\u4e45\u3001\u664b\u5347\u4e0a\u6765\u7684\u5bf9\u8c61，\u4ee5\u53ca\u5927\u5bf9\u8c61\u3002<\/li>\n
  • \u5206\u4ee3\u56de\u6536\u7684\u4e09\u79cd\u53eb\u6cd5：Young GC（\u65b0\u751f\u4ee3\/Minor GC）\u3001Old GC（Major GC，\u4e00\u822c\u7279\u6307\u8001\u5e74\u4ee3）\u3001Full GC（\u6574\u5806\u56de\u6536）\u3002<\/li>\n<\/ul>\n

    1.3 \u4e3a\u4ec0\u4e48\u8981\u5206\u4ee3：\u5f31\u5206\u4ee3\u5047\u8bf4<\/h4>\n

    \u5206\u4ee3\u4e0d\u662f\u62cd\u8111\u888b，\u80cc\u540e\u662f\u4e24\u4e2a\u7ecf\u9a8c\u6027\u89c4\u5f8b（\u5408\u79f0"\u5206\u4ee3\u6536\u96c6\u7406\u8bba"）：<\/p>\n

      \n
    • \u5f31\u5206\u4ee3\u5047\u8bf4（Weak Generational Hypothesis）：\u7edd\u5927\u591a\u6570\u5bf9\u8c61\u90fd\u662f"\u671d\u751f\u5915\u706d"\u7684，\u7528\u5b8c\u5c31\u6254\u3002<\/li>\n
    • \u5f3a\u5206\u4ee3\u5047\u8bf4（Strong Generational Hypothesis）：\u71ac\u8fc7\u8d8a\u591a\u6b21\u56de\u6536\u7684\u5bf9\u8c61，\u8d8a\u96be\u4ee5\u6d88\u4ea1\u3002<\/li>\n<\/ul>\n

      \u7531\u6b64\u63a8\u5bfc\u51fa\u4e00\u4e2a\u8bbe\u8ba1：\u628a\u671d\u751f\u5915\u706d\u7684\u5bf9\u8c61\u96c6\u4e2d\u653e\u5728\u5e74\u8f7b\u4ee3，\u56de\u6536\u65f6\u53ea\u5904\u7406\u8fd9\u4e00\u5c0f\u5757\u3001\u91cd\u70b9\u4fdd\u7559\u5c11\u91cf\u5b58\u6d3b\u5bf9\u8c61，\u800c\u4e0d\u662f\u6bcf\u6b21\u6574\u5806\u626b\u63cf\u53bb\u6807\u8bb0\u5927\u91cf\u5c06\u6b7b\u7684\u5bf9\u8c61\u3002\u8fd9\u5927\u5e45\u964d\u4f4e\u4e86\u5355\u6b21\u56de\u6536\u7684\u6210\u672c\u3002<\/p>\n

      \u26a0\ufe0f \u907f\u5751：\u5206\u4ee3\u662f"\u5927\u591a\u6570\u60c5\u51b5"\u4e0b\u7684\u4f18\u5316，\u4e0d\u4ee3\u8868\u8001\u5e74\u4ee3\u5bf9\u8c61\u4e0d\u4f1a\u5f15\u7528\u5e74\u8f7b\u4ee3\u5bf9\u8c61\u3002\u505a\u5e74\u8f7b\u4ee3\u56de\u6536\u65f6，JVM \u4f1a\u501f\u52a9"\u8bb0\u5fc6\u96c6（Remembered Set）"\u6765\u8bb0\u5f55\u8001\u5e74\u4ee3\u5bf9\u5e74\u8f7b\u4ee3\u7684\u5f15\u7528，\u907f\u514d\u6574\u5806\u626b\u63cf\u8001\u5e74\u4ee3\u3002<\/p>\n

      \n

      \u4e8c\u3001\u56de\u6536\u7684\u524d\u63d0：\u5148\u5224\u5b9a\u54ea\u4e9b\u5bf9\u8c61\u662f"\u5783\u573e"<\/h3>\n

      GC \u7684\u7b2c\u4e00\u6b65\u4e0d\u662f"\u6536"，\u800c\u662f"\u5224\u65ad\u8c01\u8be5\u6b7b"\u3002\u4e3b\u6d41\u5224\u65ad\u65b9\u5f0f\u662f\u53ef\u8fbe\u6027\u5206\u6790，\u800c\u4e0d\u662f\u7b80\u5355\u6570\u5f15\u7528\u3002<\/p>\n

      2.1 \u5f15\u7528\u8ba1\u6570\u6cd5\u7684\u7f3a\u9677<\/h4>\n

      \u65e9\u671f\u8bed\u8a00\u7528\u5f15\u7528\u8ba1\u6570：\u6bcf\u4e2a\u5bf9\u8c61\u8bb0\u5f55\u88ab\u5f15\u7528\u7684\u6b21\u6570，\u4e3a 0 \u5c31\u56de\u6536\u3002\u5b83\u6709\u4e24\u4e2a\u786c\u4f24，\u5bfc\u81f4 JVM \u4e0d\u7528\u5b83：<\/p>\n

        \n
      • \u65e0\u6cd5\u5904\u7406\u5faa\u73af\u5f15\u7528（A \u5f15 B\u3001B \u5f15 A，\u5f7c\u6b64\u90fd\u4e0d\u4e3a 0，\u4f46\u5df2\u65e0\u4eba\u53ef\u8fbe）\u3002<\/li>\n
      • \u6bcf\u6b21\u5f15\u7528\u8d4b\u503c\u90fd\u8981\u7ef4\u62a4\u8ba1\u6570\u5668，\u5f00\u9500\u5927\u3002<\/li>\n<\/ul>\n

        2.2 \u53ef\u8fbe\u6027\u5206\u6790\u4e0e GC Roots<\/h4>\n

        JVM \u91c7\u7528\u53ef\u8fbe\u6027\u5206\u6790：\u4ece\u4e00\u7ec4\u6839\u8282\u70b9（GC Roots）\u51fa\u53d1，\u6cbf\u7740\u5f15\u7528\u94fe\u5f80\u4e0b\u8d70，\u80fd\u8d70\u5230\u7684\u5bf9\u8c61\u6807\u8bb0\u4e3a"\u5b58\u6d3b"，\u8d70\u4e0d\u5230\u7684\u5373\u4e3a\u53ef\u56de\u6536\u5783\u573e\u3002<\/p>\n

        \u53ef\u4f5c\u4e3a GC Roots \u7684\u5bf9\u8c61\u4e3b\u8981\u5305\u62ec：<\/p>\n\nGC Root\u6765\u6e90<\/tr>\n\n\n\n\n\n\n\n
        \u865a\u62df\u673a\u6808（\u6808\u5e27\u672c\u5730\u53d8\u91cf\u8868）\u4e2d\u5f15\u7528\u7684\u5bf9\u8c61<\/td>\n\u6b63\u5728\u6267\u884c\u7684\u65b9\u6cd5\u91cc\u7684\u5c40\u90e8\u53d8\u91cf<\/td>\n<\/tr>\n
        \u65b9\u6cd5\u533a\u4e2d\u9759\u6001\u5c5e\u6027\u5f15\u7528\u7684\u5bf9\u8c61<\/td>\n\u7c7b\u7684\u9759\u6001\u53d8\u91cf<\/td>\n<\/tr>\n
        \u65b9\u6cd5\u533a\u4e2d\u5e38\u91cf\u5f15\u7528\u7684\u5bf9\u8c61<\/td>\n\u5b57\u7b26\u4e32\u5e38\u91cf\u6c60\u3001\u5b57\u9762\u91cf\u7b49<\/td>\n<\/tr>\n
        \u672c\u5730\u65b9\u6cd5\u6808\u4e2d JNI \u5f15\u7528\u7684\u5bf9\u8c61<\/td>\nNative \u65b9\u6cd5\u6301\u6709\u7684\u5f15\u7528<\/td>\n<\/tr>\n
        \u88ab\u540c\u6b65\u9501（synchronized）\u6301\u6709\u7684\u5bf9\u8c61<\/td>\n\u9501\u76d1\u89c6\u5668<\/td>\n<\/tr>\n
        \u6d3b\u8dc3\u7ebf\u7a0b\u5bf9\u8c61\u3001\u7c7b\u52a0\u8f7d\u5668\u7b49<\/td>\nJVM \u5185\u90e8\u5f15\u7528<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

        \u2705 \u4e00\u53e5\u8bdd：\u4ece GC Roots \u51fa\u53d1"\u6478\u5f97\u5230\u7684\u6d3b\u7740，\u6478\u4e0d\u5230\u7684\u8be5\u6b7b"\u3002<\/p>\n

        \n

        \u4e09\u3001\u56de\u6536\u7b97\u6cd5：\u4e0d\u540c\u4ee3\u4e3a\u4ec0\u4e48\u7528\u4e0d\u540c\u7b97\u6cd5<\/h3>\n

        \u5224\u65ad\u5b8c\u8c01\u8be5\u6b7b，\u4e0b\u4e00\u6b65\u662f\u7528\u4ec0\u4e48\u59ff\u52bf\u6536\u3002\u4e09\u5927\u7ecf\u5178\u7b97\u6cd5\u5404\u6709\u77ed\u677f，\u8fd9\u6b63\u662f"\u54ea\u4e00\u4ee3\u7528\u54ea\u4e2a\u7b97\u6cd5"\u7531\u6765\u7684\u6839\u6e90\u3002<\/p>\n

        3.1 \u6807\u8bb0-\u6e05\u9664（Mark-Sweep）<\/h4>\n

        \u5206\u4e24\u6b65：\u6807\u8bb0\u5b58\u6d3b\u5bf9\u8c61，\u518d\u7edf\u4e00\u6e05\u9664\u672a\u88ab\u6807\u8bb0\u7684\u5bf9\u8c61\u3002<\/p>\n

          \n
        • \u4f18\u70b9：\u5b9e\u73b0\u7b80\u5355，\u65e0\u9700\u79fb\u52a8\u5bf9\u8c61\u3002<\/li>\n
        • \u7f3a\u70b9：\u4ea7\u751f\u5927\u91cf\u5185\u5b58\u788e\u7247，\u5bfc\u81f4\u540e\u7eed\u5206\u914d\u5927\u5bf9\u8c61\u65f6\u660e\u660e\u6709\u7a7a\u95f4\u5374\u653e\u4e0d\u4e0b；\u4e14\u6807\u8bb0\u548c\u6e05\u9664\u4e24\u4e2a\u9636\u6bb5\u6548\u7387\u90fd\u968f\u5bf9\u8c61\u6570\u91cf\u4e0b\u964d\u3002<\/li>\n<\/ul>\n

          3.2 \u590d\u5236（Copying）<\/h4>\n

          \u628a\u5185\u5b58\u5206\u6210\u4e24\u5757，\u53ea\u7528\u4e00\u5757；\u56de\u6536\u65f6\u628a\u5b58\u6d3b\u5bf9\u8c61\u590d\u5236\u5230\u53e6\u4e00\u5757，\u539f\u5757\u4e00\u6b21\u6027\u6e05\u7a7a\u3002<\/p>\n

            \n
          • \u4f18\u70b9：\u65e0\u788e\u7247，\u5b9e\u73b0\u7b80\u5355，\u53ea\u5904\u7406\u5b58\u6d3b\u5bf9\u8c61（\u5b58\u6d3b\u5c11\u65f6\u6781\u5feb）\u3002<\/li>\n
          • \u7f3a\u70b9：\u6d6a\u8d39\u7a7a\u95f4（\u603b\u6709\u4e00\u534a\u7a7a\u95f2），\u5b58\u6d3b\u5bf9\u8c61\u591a\u65f6\u590d\u5236\u6210\u672c\u9ad8\u3002<\/li>\n<\/ul>\n

            \u6240\u4ee5\u590d\u5236\u7b97\u6cd5\u5929\u7136\u9002\u5408\u5e74\u8f7b\u4ee3\u2014\u2014\u56e0\u4e3a\u5e74\u8f7b\u4ee3\u7edd\u5927\u591a\u6570\u5bf9\u8c61\u671d\u751f\u5915\u706d\u3001\u5b58\u6d3b\u7387\u4f4e，\u590d\u5236\u6210\u672c\u4f4e，\u8fd8\u80fd\u7701\u4e0b\u6574\u7406\u788e\u7247\u7684\u65f6\u95f4\u3002JVM \u628a\u5b83\u7ec6\u5316\u4e3a Eden + \u4e24\u5757 Survivor（\u6bd4\u4f8b\u9ed8\u8ba4 8:1:1），\u4e0d\u662f\u7b80\u5355\u5bf9\u534a\u5207，\u907f\u514d\u4e00\u534a\u5185\u5b58\u95f2\u7f6e\u3002<\/p>\n

            3.3 \u6807\u8bb0-\u6574\u7406（Mark-Compact）<\/h4>\n

            \u6807\u8bb0\u5b58\u6d3b\u5bf9\u8c61\u540e，\u628a\u5b83\u4eec\u5f80\u4e00\u7aef\u79fb\u52a8\u538b\u5b9e，\u518d\u6e05\u6389\u8fb9\u754c\u4e4b\u5916\u7684\u7a7a\u95f4\u3002<\/p>\n

              \n
            • \u4f18\u70b9：\u65e0\u788e\u7247，\u7a7a\u95f4\u5229\u7528\u7387\u9ad8\u3002<\/li>\n
            • \u7f3a\u70b9：\u79fb\u52a8\u5bf9\u8c61\u9700\u8981\u66f4\u65b0\u6240\u6709\u5f15\u7528，STW \u6210\u672c\u9ad8\u3002<\/li>\n<\/ul>\n

              \u6807\u8bb0-\u6574\u7406\u9002\u5408\u8001\u5e74\u4ee3\u2014\u2014\u8001\u5e74\u4ee3\u5bf9\u8c61\u5b58\u6d3b\u7387\u9ad8\u3001\u590d\u7528\u590d\u5236\u7b97\u6cd5\u4e0d\u5212\u7b97，\u800c\u957f\u671f\u8fd0\u884c\u53c8\u53d7\u4e0d\u4e86\u788e\u7247\u3002<\/p>\n

              3.4 \u7b97\u6cd5\u4e0e\u4ee3\u7684\u5bf9\u5e94\u5173\u7cfb<\/h4>\n\n\u7b97\u6cd5\u7a7a\u95f4\u6d6a\u8d39\u788e\u7247\u5b58\u6d3b\u7387\u9ad8\u65f6\u8868\u73b0\u9002\u5408\u7684\u4ee3<\/tr>\n\n\n\n\n
              \u6807\u8bb0-\u6e05\u9664<\/td>\n\u65e0<\/td>\n\u4e25\u91cd<\/td>\n\u4e00\u822c<\/td>\n（CMS \u7528，\u9760\u540e\u7eed\u6574\u7406\u515c\u5e95）<\/td>\n<\/tr>\n
              \u590d\u5236<\/td>\n\u6709<\/td>\n\u65e0<\/td>\n\u5dee<\/td>\n\u5e74\u8f7b\u4ee3<\/td>\n<\/tr>\n
              \u6807\u8bb0-\u6574\u7406<\/td>\n\u65e0<\/td>\n\u65e0<\/td>\n\u597d<\/td>\n\u8001\u5e74\u4ee3<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
              \n

              \u56db\u3001\u5404\u6536\u96c6\u5668 + \u5206\u4ee3\u804c\u8d23（\u6838\u5fc3\u7ae0\u8282）<\/h3>\n

              🔴 \u672c\u8282\u56de\u7b54\u4f60\u6700\u5173\u5fc3\u7684\u95ee\u9898：\u6bcf\u4e2a\u6536\u96c6\u5668\u5230\u5e95\u6536\u54ea\u4e00\u4ee3\u3002\u5148\u8bb0\u7ed3\u8bba\u2014\u2014\u4f20\u7edf\u6536\u96c6\u5668\u5206\u4e09\u7c7b：\u53ea\u6536\u5e74\u8f7b\u4ee3\u3001\u53ea\u6536\u8001\u5e74\u4ee3\u3001\u6574\u5806\u4e00\u628a\u6293；\u800c G1 \u7528 Region \u6253\u7834\u4e86\u4ee3\u8fb9\u754c，ZGC \/ Shenandoah \u5e72\u8106\u4e0d\u5206\u4ee3\u3002<\/p>\n

              4.1 \u53ea\u6536\u96c6\u3010\u5e74\u8f7b\u4ee3\u3011\u7684\u6536\u96c6\u5668<\/h4>\n\n\u6536\u96c6\u5668\u7b97\u6cd5\u7ebf\u7a0b\u7279\u70b9<\/tr>\n\n\n\n\n
              Serial<\/td>\n\u590d\u5236<\/td>\n\u5355\u7ebf\u7a0b<\/td>\n\u6700\u7b80\u5355，\u9002\u5408\u5355\u6838\/\u5ba2\u6237\u7aef\u3001\u5185\u5b58\u5c0f\u7684\u573a\u666f<\/td>\n<\/tr>\n
              ParNew<\/td>\n\u590d\u5236<\/td>\n\u591a\u7ebf\u7a0b<\/td>\nSerial \u7684\u591a\u7ebf\u7a0b\u7248，\u53ea\u80fd\u914d\u5408 CMS \u4f7f\u7528<\/td>\n<\/tr>\n
              Parallel Scavenge<\/td>\n\u590d\u5236<\/td>\n\u591a\u7ebf\u7a0b<\/td>\n\u76ee\u6807\u662f\u541e\u5410\u91cf\u4f18\u5148，\u53ef\u7cbe\u786e\u63a7\u5236\u541e\u5410\u91cf<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
                \n
              • Serial：\u5783\u573e\u56de\u6536\u65f6"Stop The World"（\u6682\u505c\u5e94\u7528）\u5e76\u5355\u7ebf\u7a0b\u6536\u96c6，\u7b80\u5355\u53ef\u9760，\u662f\u9ed8\u8ba4\u515c\u5e95\u3002<\/li>\n
              • ParNew：\u672c\u8d28\u662f Serial \u7684\u5e76\u884c\u7248\u3002\u5b83\u7684\u5b58\u5728\u610f\u4e49\u5f88\u5927\u4e00\u90e8\u5206\u662f"\u7ed9 CMS \u5f53\u5e74\u8f7b\u4ee3\u642d\u6863"\u2014\u2014CMS \u53ea\u5904\u7406\u8001\u5e74\u4ee3，\u5e74\u8f7b\u4ee3\u5f97\u6709\u4eba\u6536\u3002<\/li>\n
              • Parallel Scavenge：\u5173\u6ce8\u70b9\u5728\u4e8e\u8ba9\u541e\u5410\u91cf\u6700\u5927\u5316（CPU \u7528\u4e8e\u7528\u6237\u4ee3\u7801\u7684\u65f6\u95f4\u5360\u6bd4），\u9002\u5408\u540e\u53f0\u6279\u91cf\u8ba1\u7b97\u573a\u666f\u3002<\/li>\n<\/ul>\n

                4.2 \u53ea\u6536\u96c6\u3010\u8001\u5e74\u4ee3\u3011\u7684\u6536\u96c6\u5668<\/h4>\n\n\u6536\u96c6\u5668\u7b97\u6cd5\u7ebf\u7a0b\u7279\u70b9<\/tr>\n\n\n\n\n
                Serial Old（MSC）<\/td>\n\u6807\u8bb0-\u6574\u7406<\/td>\n\u5355\u7ebf\u7a0b<\/td>\nSerial \u7684\u8001\u5e74\u4ee3\u7248<\/td>\n<\/tr>\n
                Parallel Old<\/td>\n\u6807\u8bb0-\u6574\u7406<\/td>\n\u591a\u7ebf\u7a0b<\/td>\nParallel Scavenge \u7684\u642d\u6863，\u541e\u5410\u91cf\u4f18\u5148<\/td>\n<\/tr>\n
                CMS<\/td>\n\u6807\u8bb0-\u6e05\u9664<\/td>\n\u5e76\u53d1<\/td>\n\u5e76\u53d1\u4f4e\u505c\u987f，\u4f46\u4f1a\u4ea7\u751f\u788e\u7247<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
                  \n
                • Serial Old \/ Parallel Old：\u5206\u522b\u662f Serial \/ Parallel Scavenge \u7684"\u8001\u5e74\u4ee3\u53e6\u4e00\u534a"，\u9760\u6807\u8bb0-\u6574\u7406\u6d88\u706d\u788e\u7247\u3002<\/li>\n
                • CMS（Concurrent Mark Sweep）：\u8ffd\u6c42\u6700\u77ed\u56de\u6536\u505c\u987f\u2014\u2014\u6807\u8bb0\u6e05\u9664\u7684\u4e3b\u8981\u9636\u6bb5\u4e0e\u5e94\u7528\u7ebf\u7a0b\u5e76\u53d1\u6267\u884c，\u4e0d\u5168\u7a0b STW\u3002\u4ee3\u4ef7\u662f\u6807\u8bb0-\u6e05\u9664\u4ea7\u751f\u5185\u5b58\u788e\u7247，\u4e14\u5e76\u53d1\u9636\u6bb5\u5360\u7528 CPU\u3002\n

                  \u26a0\ufe0f \u907f\u5751：CMS \u53ea\u6536\u8001\u5e74\u4ee3，\u4e0d\u78b0\u5e74\u8f7b\u4ee3\u3002\u6240\u4ee5\u5b83\u5fc5\u987b\u642d\u914d\u4e00\u4e2a\u5e74\u8f7b\u4ee3\u6536\u96c6\u5668（\u901a\u5e38\u5c31\u662f ParNew）\u3002\u8fd9\u4e5f\u662f"ParNew + CMS"\u6210\u4e3a\u7ecf\u5178\u7ec4\u5408\u7684\u539f\u56e0\u3002
                  \n📌 \u5f52\u5bbf：CMS \u5728 JDK9 \u88ab\u6807\u8bb0\u5e9f\u5f03，JDK14（JEP 363）\u6b63\u5f0f\u79fb\u9664，\u7531 G1 \u63a5\u68d2\u3002<\/p>\n<\/li>\n<\/ul>\n

                  4.3 \u6574\u5806\u6536\u96c6\u5668：G1（\u6253\u7834\u4ee3\u8fb9\u754c）<\/h4>\n

                  G1（Garbage First） \u4e0d\u518d\u628a\u5806\u7b80\u5355\u5207\u4e3a\u5e74\u8f7b\u4ee3\/\u8001\u5e74\u4ee3\u4e24\u5757，\u800c\u662f\u628a\u6574\u5806\u5212\u5206\u6210\u82e5\u5e72\u56fa\u5b9a\u5927\u5c0f\u7684 Region\u3002\u6bcf\u4e2a Region \u53ef\u4ee5\u52a8\u6001\u626e\u6f14 Eden\u3001Survivor \u6216 Old \u7684\u89d2\u8272，\u903b\u8f91\u4e0a\u7684"\u5e74\u8f7b\u4ee3\/\u8001\u5e74\u4ee3"\u53ea\u662f Region \u96c6\u5408\u7684\u6982\u5ff5\u3002<\/p>\n

                    \n
                  • \u6536\u96c6\u76ee\u6807：\u6574\u4e2a\u5806，\u4f46\u4f18\u5148\u56de\u6536"\u5783\u573e\u6700\u591a"（\u56de\u6536\u4ef7\u503c\u6700\u5927）\u7684 Region\u2014\u2014\u8fd9\u5c31\u662f\u540d\u5b57 \u201cGarbage First\u201d \u7684\u7531\u6765\u3002<\/li>\n
                  • \u7279\u70b9：\u53ef\u9884\u6d4b\u505c\u987f\u65f6\u95f4（\u901a\u8fc7 -XX:MaxGCPauseMillis \u8bbe\u5b9a\u76ee\u6807），\u517c\u987e\u541e\u5410\u4e0e\u5ef6\u8fdf，\u9002\u5408\u5927\u5806（GB \u7ea7\u4ee5\u4e0a）\u3002<\/li>\n
                  • \u5730\u4f4d：JDK9（JEP 248）\u8d77\u6210\u4e3a\u9ed8\u8ba4\u6536\u96c6\u5668，\u81f3\u4eca\u4ecd\u662f\u9ed8\u8ba4\u3002<\/li>\n<\/ul>\n

                    \u2705 \u4e00\u53e5\u8bdd：G1 \u540d\u4e49\u4e0a"\u6574\u5806\u6536\u96c6"，\u4f46\u5185\u90e8\u4ecd\u4fdd\u7559\u5e74\u8f7b\u4ee3\/\u8001\u5e74\u4ee3\u7684\u5206\u4ee3\u56de\u6536\u903b\u8f91，\u53ea\u662f\u8fb9\u754c\u7531 Region \u52a8\u6001\u5212\u5b9a\u3002<\/p>\n

                    4.4 \u4e0d\u5206\u4ee3\u6536\u96c6\u5668：ZGC \/ Shenandoah<\/h4>\n

                    \u8fd9\u4e24\u5144\u5f1f\u98a0\u8986\u4e86"\u5206\u4ee3"\u524d\u63d0\u2014\u2014\u6ca1\u6709\u5e74\u8f7b\u4ee3\u3001\u8001\u5e74\u4ee3\u7684\u6982\u5ff5，\u76f4\u63a5\u6574\u5806\u56de\u6536\u3002\u5b83\u4eec\u8ffd\u6c42\u7684\u662f\u6781\u77ed\u751a\u81f3\u63a5\u8fd1\u53ef\u5ffd\u7565\u7684 STW，\u9762\u5411\u5927\u5806\u3001\u4f4e\u5ef6\u8fdf\u573a\u666f\u3002<\/p>\n\n\u6536\u96c6\u5668\u5206\u4ee3？\u6838\u5fc3\u5356\u70b9\u6f14\u8fdb\u5173\u952e\u8282\u70b9<\/tr>\n\n\n\n
                    ZGC<\/td>\n\u6700\u521d\u4e0d\u5206\u4ee3<\/td>\n\u505c\u987f\u65f6\u95f4\u4e0d\u968f\u5806\u5927\u5c0f\u589e\u957f，\u53ef\u5230\u6beb\u79d2\u7ea7<\/td>\nJDK11 \u5f15\u5165（\u5b9e\u9a8c）\u2192 JDK15 \u8f6c\u6b63 \u2192 JDK21 \u5206\u4ee3\u5316（JEP 439） \u2192 JDK23 \u5206\u4ee3\u9ed8\u8ba4 \u2192 JDK24 \u79fb\u9664\u975e\u5206\u4ee3\u6a21\u5f0f<\/td>\n<\/tr>\n
                    Shenandoah<\/td>\n\u6700\u521d\u4e0d\u5206\u4ee3<\/td>\n\u4e0e ZGC \u7c7b\u4f3c\u7684\u4f4e\u5ef6\u8fdf，RedHat \u5f00\u53d1<\/td>\nJDK12 \u5f15\u5165（\u5b9e\u9a8c）\u2192 JDK15 \u8f6c\u6b63 \u2192 JDK25 \u5206\u4ee3\u5316（JEP 521）<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

                    📌 \u6709\u610f\u601d\u7684\u6f14\u8fdb："\u5206\u4ee3"\u672c\u8eab\u662f\u4e00\u79cd\u4f18\u5316\u3002ZGC \/ Shenandoah \u6700\u521d\u4e3a\u4e86\u6781\u7b80\u653e\u5f03\u5206\u4ee3，\u4f46\u540e\u6765\u53d1\u73b0\u5e74\u8f7b\u5bf9\u8c61\u6b7b\u5f97\u5feb\u3001\u9891\u7e41\u56de\u6536\u80fd\u7701\u5185\u5b58\u548c CPU，\u4e8e\u662f JEP 439（ZGC）\u548c JEP 521（Shenandoah）\u53c8\u90fd\u8865\u4e0a\u4e86\u5206\u4ee3\u80fd\u529b\u3002\u8fd9\u6070\u597d\u53cd\u8bc1\u4e86\u5206\u4ee3\u5047\u8bf4\u7684\u4ef7\u503c\u3002<\/p>\n

                    4.5 \u6536\u96c6\u5668\u603b\u8868（\u4e00\u53e5\u8bdd\u8bb0\u5fc6）<\/h4>\n\n\u6536\u96c6\u5668\u6536\u96c6\u533a\u57df\u7b97\u6cd5\u7279\u70b9 \/ \u5907\u6ce8<\/tr>\n\n\n\n\n\n\n\n\n\n\n
                    Serial<\/td>\n\u5e74\u8f7b\u4ee3<\/td>\n\u590d\u5236<\/td>\n\u5355\u7ebf\u7a0b，\u6700\u7b80<\/td>\n<\/tr>\n
                    ParNew<\/td>\n\u5e74\u8f7b\u4ee3<\/td>\n\u590d\u5236<\/td>\n\u591a\u7ebf\u7a0b，\u914d\u5408 CMS<\/td>\n<\/tr>\n
                    Parallel Scavenge<\/td>\n\u5e74\u8f7b\u4ee3<\/td>\n\u590d\u5236<\/td>\n\u541e\u5410\u91cf\u4f18\u5148<\/td>\n<\/tr>\n
                    Serial Old<\/td>\n\u8001\u5e74\u4ee3<\/td>\n\u6807\u8bb0-\u6574\u7406<\/td>\n\u5355\u7ebf\u7a0b<\/td>\n<\/tr>\n
                    Parallel Old<\/td>\n\u8001\u5e74\u4ee3<\/td>\n\u6807\u8bb0-\u6574\u7406<\/td>\n\u541e\u5410\u91cf\u4f18\u5148<\/td>\n<\/tr>\n
                    CMS<\/td>\n\u8001\u5e74\u4ee3<\/td>\n\u6807\u8bb0-\u6e05\u9664<\/td>\n\u5e76\u53d1\u4f4e\u505c\u987f，JDK14 \u5df2\u79fb\u9664<\/td>\n<\/tr>\n
                    G1<\/td>\n\u6574\u5806（Region）<\/td>\n\u7efc\u5408<\/td>\n\u4f18\u5148\u56de\u6536\u5783\u573e\u591a\u7684\u5757，JDK9 \u8d77\u9ed8\u8ba4<\/td>\n<\/tr>\n
                    ZGC<\/td>\n\u6574\u5806（JDK21 \u540e\u5206\u4ee3）<\/td>\n\u7efc\u5408<\/td>\n\u8d85\u4f4e STW，\u5927\u5806<\/td>\n<\/tr>\n
                    Shenandoah<\/td>\n\u6574\u5806（JDK25 \u540e\u5206\u4ee3）<\/td>\n\u7efc\u5408<\/td>\n\u4f4e\u5ef6\u8fdf<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
                    \n

                    \u4e94\u3001\u6536\u96c6\u5668\u5982\u4f55\u642d\u914d\u4e0e\u9009\u578b<\/h3>\n

                    \u4f20\u7edf\u6536\u96c6\u5668\u662f"\u4e00\u4ee3\u4e00\u4e2a"，\u6240\u4ee5\u5b58\u5728\u7ecf\u5178\u642d\u914d\u7ec4\u5408；G1 \/ ZGC \u662f\u6574\u5806\u7684，\u4e0d\u9700\u8981\u914d\u3002<\/p>\n

                    5.1 \u7ecf\u5178\u7ec4\u5408<\/h4>\n\n\u7ec4\u5408\u5e74\u8f7b\u4ee3\u8001\u5e74\u4ee3\u9002\u7528\u573a\u666f<\/tr>\n\n\n\n\n\n\n
                    Serial + Serial Old<\/td>\nSerial<\/td>\nSerial Old<\/td>\n\u5355\u6838\u3001\u5185\u5b58\u5c0f\u3001\u5ba2\u6237\u7aef<\/td>\n<\/tr>\n
                    ParNew + CMS<\/td>\nParNew<\/td>\nCMS<\/td>\n\u8ffd\u6c42\u4f4e\u5ef6\u8fdf（\u66fe\u7ecf\u7684\u4e3b\u6d41，CMS \u5df2\u9000\u5f79）<\/td>\n<\/tr>\n
                    Parallel Scavenge + Parallel Old<\/td>\nParallel Scavenge<\/td>\nParallel Old<\/td>\n\u541e\u5410\u91cf\u4f18\u5148，\u540e\u53f0\u6279\u91cf\u8ba1\u7b97<\/td>\n<\/tr>\n
                    G1（\u5355\u6536\u96c6\u5668）<\/td>\n\u6574\u5806 Region<\/td>\n\u6574\u5806 Region<\/td>\nJDK9+ \u9ed8\u8ba4，\u901a\u7528<\/td>\n<\/tr>\n
                    ZGC \/ Shenandoah（\u5355\u6536\u96c6\u5668）<\/td>\n\u4e0d\u5206\u4ee3（JDK21\/25 \u540e\u5206\u4ee3）<\/td>\n\u2014<\/td>\n\u5927\u5806 + \u4f4e\u5ef6\u8fdf<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

                    5.2 \u6309\u573a\u666f\u9009\u578b（JDK9+ \u89c6\u89d2）<\/h4>\n
                      \n
                    • \u6ca1\u7279\u6b8a\u8bc9\u6c42：\u76f4\u63a5 G1（\u9ed8\u8ba4）\u3002<\/li>\n
                    • \u541e\u5410\u91cf\u4f18\u5148（\u80fd\u63a5\u53d7\u505c\u987f）：Parallel Scavenge + Parallel Old\u3002<\/li>\n
                    • \u4f4e\u5ef6\u8fdf\u3001\u5806\u5f88\u5927：ZGC \u6216 Shenandoah\u3002<\/li>\n
                    • \u5355\u6838 \/ \u5c0f\u5185\u5b58 \/ \u8c03\u8bd5：Serial\u3002<\/li>\n
                    • CMS：\u751f\u4ea7\u73af\u5883\u522b\u518d\u7528，\u5b83\u662f\u5386\u53f2\u6982\u5ff5，JDK14 \u8d77\u5df2\u4e0d\u5b58\u5728\u3002<\/li>\n<\/ul>\n

                      5.3 JDK \u7248\u672c\u5173\u952e\u53d8\u5316（\u5bb9\u6613\u8003\u7684\u6f14\u8fdb\u53f2）<\/h4>\n\n\u7248\u672c\u53d8\u5316\u4f9d\u636e<\/tr>\n\n\n\n\n\n\n\n\n\n\n
                      JDK 9<\/td>\nG1 \u6210\u4e3a\u9ed8\u8ba4\u6536\u96c6\u5668<\/td>\nJEP 248<\/td>\n<\/tr>\n
                      JDK 11<\/td>\nZGC \u5f15\u5165（\u5b9e\u9a8c）<\/td>\nJEP 333<\/td>\n<\/tr>\n
                      JDK 12<\/td>\nShenandoah \u5f15\u5165（\u5b9e\u9a8c）<\/td>\nJEP 189<\/td>\n<\/tr>\n
                      JDK 14<\/td>\nCMS \u88ab\u79fb\u9664<\/td>\nJEP 363<\/td>\n<\/tr>\n
                      JDK 15<\/td>\nZGC \/ Shenandoah \u8f6c\u751f\u4ea7\u7ea7<\/td>\nJEP 377 \/ JEP 379<\/td>\n<\/tr>\n
                      JDK 21<\/td>\n\u5206\u4ee3 ZGC（Generational ZGC）<\/td>\nJEP 439<\/td>\n<\/tr>\n
                      JDK 23<\/td>\nZGC \u5206\u4ee3\u6a21\u5f0f\u6210\u4e3a\u9ed8\u8ba4<\/td>\nJEP 474<\/td>\n<\/tr>\n
                      JDK 24<\/td>\nZGC \u79fb\u9664\u975e\u5206\u4ee3\u6a21\u5f0f<\/td>\nJEP 490<\/td>\n<\/tr>\n
                      JDK 25<\/td>\n\u5206\u4ee3 Shenandoah<\/td>\nJEP 521<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

                      \u26a0\ufe0f \u6ce8\u610f：\u4e0a\u9762\u662f\u8f83\u65b0 JDK \u7684\u8d70\u5411\u3002\u5982\u679c\u4f60\u8fd8\u5728\u7528 JDK8，\u9ed8\u8ba4\u4ecd\u662f Parallel，\u4e5f\u6ca1\u6709 ZGC \/ Shenandoah（JDK8 \u65e0\u5b98\u65b9\u7248\u672c），\u5347\u7ea7\u524d\u8981\u5148\u60f3\u6e05\u695a\u6536\u96c6\u5668\u7684\u8fc1\u79fb\u3002<\/p>\n

                      \n

                      \u516d\u3001\u603b\u7ed3：\u4f60\u771f\u6b63\u9700\u8981\u8bb0\u4f4f\u7684 N \u4ef6\u4e8b<\/h3>\n
                    • GC \u7684\u4e3b\u6218\u573a\u662f\u5806；\u5806\u5206\u5e74\u8f7b\u4ee3（Eden + \u4e24\u5757 Survivor）\u548c\u8001\u5e74\u4ee3\u3002<\/li>\n
                    • \u5206\u4ee3\u7684\u4f9d\u636e\u662f\u5f31\u5206\u4ee3\u5047\u8bf4：\u5927\u591a\u6570\u5bf9\u8c61\u671d\u751f\u5915\u706d，\u96c6\u4e2d\u56de\u6536\u5e74\u8f7b\u4ee3\u6548\u7387\u6700\u9ad8\u3002<\/li>\n
                    • \u5224\u5b9a\u5783\u573e\u7528\u53ef\u8fbe\u6027\u5206\u6790：\u4ece GC Roots \u51fa\u53d1\u6478\u5f97\u5230\u7684\u5b58\u6d3b，\u6478\u4e0d\u5230\u7684\u56de\u6536；\u4e0d\u7528\u5f15\u7528\u8ba1\u6570（\u89e3\u51b3\u4e0d\u4e86\u5faa\u73af\u5f15\u7528）\u3002<\/li>\n
                    • \u4e09\u79cd\u7b97\u6cd5\u4e0e\u4ee3\u5bf9\u5e94：\u5e74\u8f7b\u4ee3\u7528\u590d\u5236（\u65e0\u788e\u7247\u3001\u5b58\u6d3b\u5c11\u6210\u672c\u4f4e），\u8001\u5e74\u4ee3\u7528\u6807\u8bb0-\u6574\u7406（\u65e0\u788e\u7247\u3001\u80fd\u625b\u9ad8\u5b58\u6d3b），\u6807\u8bb0-\u6e05\u9664\u6709\u788e\u7247（CMS \u7684\u4ee3\u4ef7）\u3002<\/li>\n
                    • \u53ea\u6536\u5e74\u8f7b\u4ee3\u7684\u6536\u96c6\u5668：Serial\u3001ParNew\u3001Parallel Scavenge\u3002<\/li>\n
                    • \u53ea\u6536\u8001\u5e74\u4ee3\u7684\u6536\u96c6\u5668：Serial Old\u3001Parallel Old\u3001CMS（CMS \u9700\u914d ParNew \u6536\u5e74\u8f7b\u4ee3）\u3002<\/li>\n
                    • G1 \u6574\u5806\u6536\u96c6\u4f46\u5185\u90e8\u4ecd\u5206\u4ee3，\u9760 Region \u52a8\u6001\u626e\u6f14\u4e0d\u540c\u4ee3，JDK9 \u8d77\u662f\u9ed8\u8ba4\u3002<\/li>\n
                    • ZGC \/ Shenandoah \u6700\u521d\u4e0d\u5206\u4ee3，\u4f46 ZGC \u5728 JDK21\u3001Shenandoah \u5728 JDK25 \u90fd\u8865\u4e0a\u4e86\u5206\u4ee3\u2014\u2014\u53cd\u8bc1\u5206\u4ee3\u5047\u8bf4\u7684\u4ef7\u503c\u3002<\/li>\n
                    • \u9009\u578b：\u9ed8\u8ba4 G1；\u541e\u5410\u4f18\u5148\u7528 Parallel \u53cc\u5f00；\u5927\u5806\u4f4e\u5ef6\u8fdf\u7528 ZGC \/ Shenandoah；CMS \u5df2\u662f\u5386\u53f2\u3002<\/li>\n

                      \u9a8c\u8bc1\u6e05\u5355<\/h3>\n
                        \n
                      • \u80fd\u4e0d\u770b\u8868\u8bf4\u51fa"\u6bcf\u4e2a\u6536\u96c6\u5668\u6536\u54ea\u4e00\u4ee3"<\/li>\n
                      • \u80fd\u89e3\u91ca"\u4e3a\u4ec0\u4e48\u5e74\u8f7b\u4ee3\u7528\u590d\u5236\u3001\u8001\u5e74\u4ee3\u7528\u6807\u8bb0-\u6574\u7406"<\/li>\n
                      • \u80fd\u8bf4\u51fa CMS \u4e3a\u4ec0\u4e48\u5fc5\u987b\u642d\u914d ParNew<\/li>\n
                      • \u80fd\u8bb2\u6e05 G1 \u4e0e"\u5206\u4ee3"\u7684\u5173\u7cfb（Region \u52a8\u6001\u626e\u6f14\u4ee3）<\/li>\n
                      • \u80fd\u8bf4\u6e05 ZGC \u4ece"\u4e0d\u5206\u4ee3"\u5230"\u5206\u4ee3"\u7684\u6f14\u8fdb（JEP 439\/474\/490）<\/li>\n
                      • \u80fd\u5728\u9762\u8bd5\u4e2d\u88ab\u95ee\u5230"\u9ed8\u8ba4\u6536\u96c6\u5668"\u65f6\u7b54\u51fa"G1（JDK9+）"<\/li>\n<\/ul>\n

                        \u53c2\u8003\u8d44\u6e90<\/h3>\n
                          \n
                        • Oracle \u5b98\u65b9 GC \u8c03\u4f18\u6307\u5357（HotSpot Virtual Machine Garbage Collection Tuning Guide）<\/li>\n
                        • Oracle\u300aMigrating from JDK 8 to Later JDK Releases\u300b（G1 \u9ed8\u8ba4 \/ JDK \u8fc1\u79fb\u53d8\u5316）<\/li>\n
                        • JEP 439: Generational ZGC（OpenJDK）<\/li>\n
                        • JEP 363: Remove the Concurrent Mark Sweep (CMS) Garbage Collector<\/li>\n
                        • JEP 248: Make G1 the Default Garbage Collector<\/li>\n
                        • JEP 474: ZGC: Generational Mode by Default \/ JEP 490: ZGC: Remove the Non-Generational Mode<\/li>\n
                        • JEP 521: Generational Shenandoah<\/li>\n
                        • \u300a\u6df1\u5165\u7406\u89e3 Java \u865a\u62df\u673a\u300b（\u5468\u5fd7\u660e）\u2014\u2014\u5206\u4ee3\u6536\u96c6\u7406\u8bba\u3001\u53ef\u8fbe\u6027\u5206\u6790\u3001GC Roots \u6743\u5a01\u53c2\u8003<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"

                          Java \u5783\u573e\u56de\u6536\u5168\u89e3：\u4ece\u5206\u4ee3\u5185\u5b58\u6a21\u578b\u5230\u5404\u6536\u96c6\u5668\u7684\u5206\u4ee3\u804c\u8d23
                          \n\u5f88\u591a\u4eba\u95ee\\”\u5783\u573e\u6536\u96c6\u5668\u5230\u5e95\u662f\u6536\u54ea\u4e00\u4ee3\u7684\u5783\u573e\\”，\u8fd9\u4e2a\u95ee\u9898\u7684\u5751\u5728\u4e8e：\u5b83\u9ed8\u8ba4\u4e86\u6bcf\u4e2a\u6536\u96c6\u5668\u90fd\u6536\\”\u4e00\u6574\u5806\\”\u3002\u5b9e\u9645\u4e0a JVM \u628a\u5806\u5206\u6210\u4e86\u5e74\u8f7b\u4ee3\u548c\u8001\u5e74\u4ee3，\u4e0d\u540c\u6536\u96c6\u5668\u8981\u4e48\u53ea\u8d1f\u8d23\u5176\u4e2d\u4e00\u4ee3\u3001\u8981\u4e48\u6574\u5806\u4e00\u628a\u6293\u3001\u8981\u4e48\u5e72\u8106\u4e0d\u5206\u4ee3\u3002\u641e\u61c2\u8fd9\u5f20\u5730\u56fe，\u6bd4\u6b7b\u8bb0\u6bcf\u4e2a\u6536\u96c6\u5668\u7684\u540d\u5b57\u6709\u7528\u5f97\u591a\u3002
                          \n\u672c\u6587\u6309\u4e00\u6761\u9012\u8fdb\u94fe\u8bb2\u900f：GC \u4e3a\u4ec0\u4e48\u5b58\u5728（\u5185\u5b58\u6a21\u578b）\u2192 GC <\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[99,426,190],"topic":[],"class_list":["post-114288","post","type-post","status-publish","format-standard","hentry","category-server","tag-java","tag-jvm","tag-190"],"yoast_head":"\n\u3010\u540e\u7aef\u5f00\u53d1\uff5cJVM\u57fa\u784001\u3011\u2014\u2014 Java\u5783\u573e\u56de\u6536\u5168\u89e3\uff1a\u4ece\u5206\u4ee3\u5185\u5b58\u6a21\u578b\u5230\u5404\u6536\u96c6\u5668\u7684\u5206\u4ee3\u804c\u8d23 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.wsisp.com\/helps\/114288.html\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u3010\u540e\u7aef\u5f00\u53d1\uff5cJVM\u57fa\u784001\u3011\u2014\u2014 Java\u5783\u573e\u56de\u6536\u5168\u89e3\uff1a\u4ece\u5206\u4ee3\u5185\u5b58\u6a21\u578b\u5230\u5404\u6536\u96c6\u5668\u7684\u5206\u4ee3\u804c\u8d23 - 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