{"id":72007,"date":"2024-02-20T15:03:18","date_gmt":"2024-02-20T07:03:18","guid":{"rendered":"https:\/\/docs.pingcode.com\/?p=72007"},"modified":"2024-02-20T15:10:32","modified_gmt":"2024-02-20T07:10:32","slug":"java-%e7%ad%89%e8%af%ad%e8%a8%80%e7%9a%84-gc-%e4%b8%ba%e4%bb%80%e4%b9%88%e4%b8%8d%e5%ae%9e%e6%97%b6%e9%87%8a%e6%94%be%e5%86%85%e5%ad%98-3","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/72007.html","title":{"rendered":"Java \u7b49\u8bed\u8a00\u7684 GC \u4e3a\u4ec0\u4e48\u4e0d\u5b9e\u65f6\u91ca\u653e\u5185\u5b58"},"content":{"rendered":"

\"Java<\/p>\n

Java \u7b49\u8bed\u8a00\u7684 GC \u4e3a\u4ec0\u4e48\u4e0d\u5b9e\u65f6\u91ca\u653e\u5185\u5b58<\/strong><\/p>\n

\u5728\u8c08\u8bbaJava\u7b49\u7f16\u7a0b\u8bed\u8a00\u4e2d\u7684\u5783\u573e\u56de\u6536\uff08GC\uff09\u673a\u5236\u65f6\uff0c\u5173\u952e\u5728\u4e8e\u7406\u89e3GC\u7684\u5de5\u4f5c\u539f\u7406\u4e0e\u76ee\u6807\uff1a\u6548\u7387\u3001\u6027\u80fd\u4f18\u5316\u3001\u9632\u6b62\u5185\u5b58\u6cc4\u6f0f<\/strong>\u3002GC\u4e0d\u5b9e\u65f6\u91ca\u653e\u5185\u5b58\u7684\u4e3b\u8981\u539f\u56e0\u5305\u62ec\uff1a\u6548\u7387\u8003\u91cf\u3001\u51cf\u5c11\u6027\u80fd\u5f00\u9500\u3001\u4fdd\u969c\u7a0b\u5e8f\u8fd0\u884c\u6d41\u7545\u6027<\/strong>\u3002\u8fd9\u4e9b\u56e0\u7d20\u5171\u540c\u4f5c\u7528\uff0c\u4f7f\u5f97GC\u5e76\u975e\u5b9e\u65f6\u5bf9\u65e0\u7528\u5bf9\u8c61\u8fdb\u884c\u5185\u5b58\u56de\u6536\u3002\u5176\u4e2d\uff0c\u6548\u7387\u8003\u91cf<\/strong>\u5c24\u4e3a\u91cd\u8981\u3002\u5b9e\u65f6GC\u4f1a\u9891\u7e41\u4e2d\u65ad\u7a0b\u5e8f\u8fd0\u884c\uff0c\u5bfc\u81f4\u6548\u7387\u4e0b\u964d\u3002GC\u901a\u5e38\u5728\u7279\u5b9a\u65f6\u673a\uff08\u5982\u5185\u5b58\u8fbe\u5230\u4e00\u5b9a\u9608\u503c\uff09\u6267\u884c\uff0c\u4ee5\u51cf\u5c11\u5bf9\u7a0b\u5e8f\u6027\u80fd\u7684\u5f71\u54cd\u3002<\/p>\n

\u4e00\u3001GC\u7684\u5de5\u4f5c\u539f\u7406<\/strong><\/p>\n

\u5783\u573e\u56de\u6536\u662f\u81ea\u52a8\u5185\u5b58\u7ba1\u7406\u7684\u4e00\u90e8\u5206\uff0c\u5b83\u7684\u4e3b\u8981\u804c\u8d23\u662f\u8bc6\u522b\u5e76\u4e22\u5f03\u90a3\u4e9b\u4e0d\u518d\u88ab\u7a0b\u5e8f\u4f7f\u7528\u7684\u6570\u636e\uff0c\u4ece\u800c\u907f\u514d\u5185\u5b58\u6cc4\u6f0f\u3002\u5728Java\u4e2d\uff0cGC\u901a\u8fc7\u8ddf\u8e2a\u5bf9\u8c61\u7684\u5f15\u7528\u548c\u751f\u547d\u5468\u671f\u6765\u5224\u65ad\u5bf9\u8c61\u662f\u5426\u53ef\u4ee5\u88ab\u56de\u6536\u3002<\/p>\n

– \u5bf9\u8c61\u7684\u751f\u547d\u5468\u671f<\/strong>\uff1a\u5bf9\u8c61\u4ece\u521b\u5efa\u5230\u9500\u6bc1\u7684\u8fc7\u7a0b\u5305\u62ec\u51e0\u4e2a\u9636\u6bb5\uff1a\u5206\u914d\u3001\u4f7f\u7528\u3001\u4e0d\u53ef\u8fbe\u548c\u56de\u6536\u3002GC\u4e3b\u8981\u5173\u6ce8\u7684\u662f\u4e0d\u53ef\u8fbe\u5bf9\u8c61\uff0c\u5373\u7a0b\u5e8f\u4e2d\u4e0d\u518d\u6709\u4efb\u4f55\u5f15\u7528\u6307\u5411\u8fd9\u4e9b\u5bf9\u8c61\u7684\u72b6\u6001\u3002<\/p>\n

– \u5f15\u7528\u8ddf\u8e2a<\/strong>\uff1aGC\u901a\u8fc7\u8ddf\u8e2a\u5bf9\u8c61\u7684\u5f15\u7528\u6765\u786e\u5b9a\u54ea\u4e9b\u5bf9\u8c61\u662f\u201c\u6d3b\u7684\u201d\u3002\u5f53\u5bf9\u8c61\u4e0d\u518d\u6709\u4efb\u4f55\u5f15\u7528\u6307\u5411\u65f6\uff0c\u5b83\u5c31\u6210\u4e3a\u4e86\u5783\u573e\u3002<\/p>\n

\u4e8c\u3001\u4e3a\u4ec0\u4e48\u4e0d\u5b9e\u65f6\u56de\u6536<\/strong><\/p>\n

\u5b9e\u65f6\u56de\u6536\u5185\u5b58\u542c\u8d77\u6765\u5f88\u7406\u60f3\uff0c\u4f46\u5728\u5b9e\u8df5\u4e2d\u5374\u5b58\u5728\u8bf8\u591a\u95ee\u9898\u3002\u5b9e\u65f6GC\u4f1a\u5bf9\u7a0b\u5e8f\u7684\u6027\u80fd\u4ea7\u751f\u663e\u8457\u7684\u8d1f\u9762\u5f71\u54cd\u3002<\/p>\n

– \u6027\u80fd\u5f00\u9500<\/strong>\uff1a\u5982\u679cGC\u5728\u6bcf\u6b21\u5bf9\u8c61\u53d8\u4e3a\u4e0d\u53ef\u8fbe\u65f6\u7acb\u5373\u8fd0\u884c\uff0c\u5b83\u5c06\u4e0d\u65ad\u5730\u4e2d\u65ad\u7a0b\u5e8f\u7684\u6b63\u5e38\u6267\u884c\u3002\u8fd9\u79cd\u9891\u7e41\u7684\u4e2d\u65ad\u4f1a\u5bfc\u81f4\u7a0b\u5e8f\u8fd0\u884c\u6548\u7387\u5927\u5e45\u4e0b\u964d\u3002<\/p>\n

– \u8d44\u6e90\u5360\u7528<\/strong>\uff1a\u5b9e\u65f6GC\u9700\u8981\u6301\u7eed\u76d1\u63a7\u6bcf\u4e2a\u5bf9\u8c61\u7684\u72b6\u6001\uff0c\u8fd9\u672c\u8eab\u5c31\u662f\u4e00\u9879\u8d44\u6e90\u5bc6\u96c6\u578b\u7684\u4efb\u52a1\u3002\u5728\u8d44\u6e90\u6709\u9650\u7684\u73af\u5883\u4e0b\uff0c\u8fc7\u5ea6\u7684\u8d44\u6e90\u5360\u7528\u53ef\u80fd\u5bfc\u81f4\u7a0b\u5e8f\u8fd0\u884c\u4e0d\u7a33\u5b9a\u3002<\/p>\n

\u4e09\u3001GC\u7684\u89e6\u53d1\u65f6\u673a<\/strong><\/p>\n

\u867d\u7136\u4e0d\u662f\u5b9e\u65f6\u8fdb\u884c\uff0c\u4f46GC\u7684\u89e6\u53d1\u65f6\u673a\u4e5f\u7ecf\u8fc7\u7cbe\u5fc3\u8bbe\u8ba1\uff0c\u4ee5\u786e\u4fdd\u5185\u5b58\u7684\u6709\u6548\u7ba1\u7406\u548c\u7a0b\u5e8f\u7684\u5e73\u7a33\u8fd0\u884c\u3002<\/p>\n

– \u5185\u5b58\u4f7f\u7528\u9608\u503c<\/strong>\uff1a\u5f53\u7a0b\u5e8f\u4f7f\u7528\u7684\u5185\u5b58\u8fbe\u5230\u4e00\u5b9a\u9608\u503c\u65f6\uff0cGC\u4f1a\u88ab\u89e6\u53d1\u3002\u8fd9\u4e2a\u9608\u503c\u662f\u6839\u636e\u7a0b\u5e8f\u7684\u5185\u5b58\u4f7f\u7528\u60c5\u51b5\u548c\u53ef\u7528\u5185\u5b58\u91cf\u6765\u786e\u5b9a\u7684\u3002<\/p>\n

– \u5b9a\u671f\u68c0\u67e5<\/strong>\uff1a\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\uff0cGC\u53ef\u80fd\u4f1a\u6309\u7167\u9884\u5b9a\u7684\u65f6\u95f4\u95f4\u9694\u8fd0\u884c\uff0c\u5c24\u5176\u662f\u5728\u5185\u5b58\u4f7f\u7528\u91cf\u8f83\u4e3a\u5e73\u7a33\u65f6\u3002<\/p>\n

\u56db\u3001GC\u7684\u4f18\u5316\u7b56\u7565<\/strong><\/p>\n

\u4e3a\u4e86\u51cf\u5c11GC\u5bf9\u7a0b\u5e8f\u6027\u80fd\u7684\u5f71\u54cd\uff0c\u5404\u79cd\u8bed\u8a00\u90fd\u91c7\u7528\u4e86\u4e0d\u540c\u7684\u4f18\u5316\u7b56\u7565\u3002<\/p>\n

– \u5206\u4ee3\u56de\u6536<\/strong>\uff1aJava\u4e2d\u7684GC\u5c06\u5bf9\u8c61\u5206\u4e3a\u51e0\u4ee3\uff0c\u57fa\u4e8e\u5047\u8bbe\u201c\u65b0\u751f\u4ee3\u5bf9\u8c61\u6b7b\u4ea1\u7387\u9ad8\uff0c\u8001\u5e74\u4ee3\u5bf9\u8c61\u6b7b\u4ea1\u7387\u4f4e\u201d\u7684\u539f\u5219\uff0c\u4ee5\u4e0d\u540c\u7684\u9891\u7387\u56de\u6536\u4e0d\u540c\u4ee3\u7684\u5bf9\u8c61\u3002<\/p>\n

– \u5e76\u884c\u548c\u5e76\u53d1GC<\/strong>\uff1a\u901a\u8fc7\u5e76\u884c\u5904\u7406\u548c\u5728\u7a0b\u5e8f\u8fd0\u884c\u7684\u540c\u65f6\u6267\u884cGC\u64cd\u4f5c\uff0c\u51cf\u5c11GC\u5bf9\u7a0b\u5e8f\u6027\u80fd\u7684\u5f71\u54cd\u3002<\/p>\n

\u603b\u7684\u6765\u8bf4\uff0cGC\u4e0d\u5b9e\u65f6\u91ca\u653e\u5185\u5b58\u7684\u8bbe\u8ba1\u662f\u4e00\u79cd\u5e73\u8861\u6548\u7387\u548c\u6027\u80fd\u7684\u7b56\u7565\u3002\u901a\u8fc7\u5728\u5408\u9002\u7684\u65f6\u673a\u6267\u884cGC\uff0c\u65e2\u53ef\u4ee5\u6709\u6548\u7ba1\u7406\u5185\u5b58\uff0c\u53c8\u80fd\u4fdd\u8bc1\u7a0b\u5e8f\u8fd0\u884c\u7684\u6d41\u7545\u6027\u3002<\/p>\n

\u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n

\u4e3a\u4ec0\u4e48Java\u7b49\u8bed\u8a00\u7684GC\u4e0d\u662f\u5b9e\u65f6\u91ca\u653e\u5185\u5b58\uff1f<\/strong><\/p>\n

\u5728Java\u7b49\u8bed\u8a00\u4e2d\uff0cGC\uff08\u5783\u573e\u56de\u6536\uff09\u673a\u5236\u7684\u8bbe\u8ba1\u521d\u8877\u662f\u4e3a\u4e86\u81ea\u52a8\u5316\u7ba1\u7406\u5185\u5b58\uff0c\u907f\u514d\u7a0b\u5e8f\u5458\u624b\u52a8\u91ca\u653e\u5185\u5b58\u3002GC\u5e76\u4e0d\u662f\u5b9e\u65f6\u91ca\u653e\u5185\u5b58\u7684\u539f\u56e0\u4e3b\u8981\u6709\u4e24\u70b9\uff1a<\/p>\n

\u9996\u5148\uff0c\u5b9e\u65f6\u91ca\u653e\u5185\u5b58\u53ef\u80fd\u4f1a\u5bfc\u81f4\u6027\u80fd\u4e0b\u964d\u3002GC\u7684\u8fd0\u884c\u4f1a\u9020\u6210\u4e00\u5b9a\u7684\u6027\u80fd\u5f00\u9500\uff0c\u5982\u679cGC\u8fc7\u4e8e\u9891\u7e41\u53bb\u5b9e\u65f6\u91ca\u653e\u5185\u5b58\uff0c\u4f1a\u5f71\u54cd\u7a0b\u5e8f\u7684\u8fd0\u884c\u6548\u7387\u3002\u4e3a\u4e86\u5e73\u8861\u6027\u80fd\u548c\u5185\u5b58\u7ba1\u7406\u7684\u6210\u672c\uff0cGC\u5e76\u4e0d\u4f1a\u5b9e\u65f6\u91ca\u653e\u5185\u5b58\uff0c\u800c\u662f\u901a\u8fc7\u7279\u5b9a\u7684\u7b56\u7565\u6765\u5224\u65ad\u4f55\u65f6\u91ca\u653e\u5185\u5b58\uff0c\u5982\u6807\u8bb0-\u6e05\u9664\u3001\u590d\u5236\u3001\u6807\u8bb0-\u6574\u7406\u7b49\u7b97\u6cd5\u3002<\/p>\n

\u5176\u6b21\uff0c\u5b9e\u65f6\u91ca\u653e\u5185\u5b58\u53ef\u80fd\u4f1a\u5f15\u53d1\u5185\u5b58\u788e\u7247\u95ee\u9898\u3002\u5f53\u9891\u7e41\u5730\u91ca\u653e\u5185\u5b58\u65f6\uff0c\u53ef\u80fd\u4f1a\u4ea7\u751f\u5185\u5b58\u788e\u7247\uff0c\u4f7f\u5f97\u539f\u672c\u8fde\u7eed\u7684\u5185\u5b58\u7a7a\u95f4\u53d8\u5f97\u96f6\u6563\uff0c\u5bfc\u81f4\u5185\u5b58\u7684\u5206\u914d\u548c\u56de\u6536\u6548\u7387\u4e0b\u964d\u3002\u4e3a\u4e86\u907f\u514d\u5185\u5b58\u788e\u7247\u95ee\u9898\uff0cGC\u901a\u5e38\u4f1a\u5ef6\u8fdf\u5b9e\u9645\u7684\u5185\u5b58\u56de\u6536\u64cd\u4f5c\uff0c\u4ee5\u4fbf\u66f4\u597d\u5730\u8fdb\u884c\u5185\u5b58\u6574\u7406\u3002<\/p>\n

GC\u5ef6\u8fdf\u91ca\u653e\u5185\u5b58\u4f1a\u4e0d\u4f1a\u5bfc\u81f4\u5185\u5b58\u6cc4\u6f0f\u95ee\u9898\uff1f<\/strong><\/p>\n

\u5b9e\u9645\u4e0a\uff0cGC\u5ef6\u8fdf\u91ca\u653e\u5185\u5b58\u5e76\u4e0d\u4f1a\u5bfc\u81f4\u5185\u5b58\u6cc4\u6f0f\u95ee\u9898\u3002GC\u7684\u4e3b\u8981\u4f5c\u7528\u662f\u81ea\u52a8\u5316\u56de\u6536\u7a0b\u5e8f\u4e0d\u518d\u4f7f\u7528\u7684\u5185\u5b58\uff0c\u4ee5\u907f\u514d\u5185\u5b58\u6cc4\u6f0f\u3002\u867d\u7136GC\u5e76\u4e0d\u662f\u5b9e\u65f6\u91ca\u653e\u5185\u5b58\uff0c\u4f46\u5b83\u4f1a\u5468\u671f\u6027\u5730\u68c0\u6d4b\u7a0b\u5e8f\u4e2d\u7684\u65e0\u7528\u5bf9\u8c61\uff0c\u5e76\u5c06\u5b83\u4eec\u56de\u6536\uff0c\u4ece\u800c\u907f\u514d\u5185\u5b58\u6cc4\u6f0f\u60c5\u51b5\u7684\u53d1\u751f\u3002<\/p>\n

\u503c\u5f97\u6ce8\u610f\u7684\u662f\uff0c\u5185\u5b58\u6cc4\u6f0f\u901a\u5e38\u662f\u7531\u4e8e\u7a0b\u5e8f\u903b\u8f91\u9519\u8bef\u6216\u8005\u8bbe\u8ba1\u4e0d\u5f53\u9020\u6210\u7684\uff0c\u4f8b\u5982\u6301\u6709\u5bf9\u8c61\u7684\u5f15\u7528\u6ca1\u6709\u88ab\u53ca\u65f6\u91ca\u653e\u3002\u5728\u4f7f\u7528Java\u7b49\u9ad8\u7ea7\u8bed\u8a00\u65f6\uff0c\u7a0b\u5e8f\u5458\u5e94\u5f53\u6ce8\u610f\u907f\u514d\u6f5c\u5728\u7684\u5185\u5b58\u6cc4\u6f0f\u95ee\u9898\uff0c\u800c\u4e0d\u662f\u671f\u671bGC\u53ef\u4ee5\u5b9e\u65f6\u91ca\u653e\u5185\u5b58\u6765\u89e3\u51b3\u8fd9\u7c7b\u95ee\u9898\u3002<\/p>\n

GC\u5982\u4f55\u5224\u65ad\u54ea\u4e9b\u5bf9\u8c61\u662f\u201c\u5783\u573e\u201d\u9700\u8981\u88ab\u56de\u6536\uff1f<\/strong><\/p>\n

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