{"id":71672,"date":"2024-02-20T11:31:32","date_gmt":"2024-02-20T03:31:32","guid":{"rendered":"https:\/\/docs.pingcode.com\/?p=71672"},"modified":"2024-02-20T11:39:10","modified_gmt":"2024-02-20T03:39:10","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","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/71672.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<\/p>\n

\u5728\u8ba8\u8bbaJava<\/strong>\u7b49\u9ad8\u7ea7\u7f16\u7a0b\u8bed\u8a00\u4e2d\u5783\u573e\u6536\u96c6\uff08GC\uff09\u673a\u5236\u7684\u5de5\u4f5c\u539f\u7406\u65f6\uff0c\u4e00\u4e2a\u5e38\u89c1\u7684\u7591\u95ee\u662f\u4e3a\u4ec0\u4e48\u8fd9\u4e9b\u8bed\u8a00\u7684GC\u4e0d\u5b9e\u65f6\u91ca\u653e\u5185\u5b58\u3002\u7b80\u800c\u8a00\u4e4b\uff0c\u4e3b\u8981\u539f\u56e0\u5305\u62ec\u6027\u80fd\u4f18\u5316\u3001\u8d44\u6e90\u7ba1\u7406<\/a>\u6548\u7387\u3001\u4ee5\u53ca\u907f\u514d\u7a0b\u5e8f\u8fd0\u884c\u4e2d\u65ad<\/strong>\u3002\u5176\u4e2d\uff0c\u6027\u80fd\u4f18\u5316<\/strong>\u662f\u6700\u5173\u952e\u7684\u4e00\u70b9\u3002\u5b9e\u65f6\u91ca\u653e\u5185\u5b58\u610f\u5473\u7740\u6bcf\u5f53\u5bf9\u8c61\u4e0d\u518d\u88ab\u9700\u8981\u65f6\uff0c\u7cfb\u7edf\u5c31\u9700\u8981\u7acb\u5373\u8fdb\u884c\u6e05\u7406\u5de5\u4f5c\u3002\u867d\u7136\u8fd9\u542c\u8d77\u6765\u7406\u60f3\uff0c\u4f46\u5b9e\u9645\u4e0a\u4f1a\u9020\u6210\u5927\u91cf\u7684\u6027\u80fd\u5f00\u9500\uff0c\u56e0\u4e3a\u9891\u7e41\u7684\u5185\u5b58\u5206\u914d\u548c\u56de\u6536\u64cd\u4f5c\u4f1a\u663e\u8457\u964d\u4f4e\u7a0b\u5e8f\u8fd0\u884c\u7684\u6548\u7387\u3002<\/p>\n

### \u4e00\u3001\u6027\u80fd\u4f18\u5316<\/p>\n

\u6027\u80fd\u4f18\u5316<\/strong>\u662fGC\u4e0d\u5b9e\u65f6\u91ca\u653e\u5185\u5b58\u7684\u4e3b\u8981\u539f\u56e0\u4e4b\u4e00\u3002\u5728Java\u7b49\u8bed\u8a00\u4e2d\uff0cGC\u8fd0\u884c\u91c7\u7528\u7684\u662f\u201c\u505c\u6b62-\u590d\u5236\u201d\u6216\u201c\u6807\u8bb0-\u6e05\u9664\u201d\u7b97\u6cd5\uff0c\u8fd9\u4e9b\u7b97\u6cd5\u4f1a\u5728\u7279\u5b9a\u65f6\u523b\u96c6\u4e2d\u56de\u6536\u5185\u5b58\uff0c\u800c\u975e\u5728\u5bf9\u8c61\u6210\u4e3a\u5783\u573e\u7684\u77ac\u95f4\u7acb\u5373\u56de\u6536\u3002\u8fd9\u6837\u505a\u7684\u76ee\u7684\u662f\u4e3a\u4e86\u51cf\u5c11\u5185\u5b58\u56de\u6536\u5bf9\u7a0b\u5e8f\u6027\u80fd\u7684\u5f71\u54cd\u3002\u5982\u679c\u6bcf\u4e2a\u5bf9\u8c61\u5728\u4e0d\u518d\u9700\u8981\u65f6\u90fd\u7acb\u5373\u88ab\u56de\u6536\uff0c\u90a3\u4e48GC\u5c06\u9700\u8981\u9891\u7e41\u8fd0\u884c\uff0c\u8fd9\u4f1a\u5360\u7528\u5927\u91cf\u7684CPU\u8d44\u6e90\uff0c\u5f71\u54cd\u7a0b\u5e8f\u7684\u54cd\u5e94\u65f6\u95f4\u548c\u541e\u5410\u91cf\u3002\u901a\u8fc7\u96c6\u4e2d\u5904\u7406\uff0cGC\u53ef\u4ee5\u5728\u9002\u5f53\u7684\u65f6\u673a\u9ad8\u6548\u5730\u56de\u6536\u5927\u91cf\u5185\u5b58\uff0c\u4ece\u800c\u4f18\u5316\u6027\u80fd\u3002<\/p>\n

\u5728\u6027\u80fd\u4f18\u5316\u65b9\u9762\uff0cGC\u7b97\u6cd5\u7684\u8bbe\u8ba1\u8003\u8651\u5230\u4e86\u7a0b\u5e8f\u7684\u8fd0\u884c\u7279\u6027\u3002\u4f8b\u5982\uff0c\u5927\u591a\u6570\u5e94\u7528\u7a0b\u5e8f\u90fd\u9075\u5faa\u6240\u8c13\u7684\u201c\u5bf9\u8c61\u751f\u547d\u5468\u671f\u5047\u8bbe\u201d\uff0c\u5373\u5927\u90e8\u5206\u5bf9\u8c61\u8981\u4e48\u751f\u547d\u5468\u671f\u5f88\u77ed\uff0c\u8981\u4e48\u5c31\u662f\u5b58\u6d3b\u65f6\u95f4\u5f88\u957f\u3002GC\u901a\u8fc7\u5206\u4ee3\u6536\u96c6\u7b56\u7565\uff08\u5982Java\u7684HotSpot\u865a\u62df\u673a\uff09\u6765\u5229\u7528\u8fd9\u4e00\u7279\u6027\uff0c\u5c06\u5bf9\u8c61\u5206\u914d\u5230\u4e0d\u540c\u7684\u4ee3\u4e2d\uff0c\u5e76\u6839\u636e\u5404\u4ee3\u7684\u7279\u70b9\u91c7\u53d6\u4e0d\u540c\u7684\u56de\u6536\u7b56\u7565\u3002\u8fd9\u79cd\u65b9\u5f0f\u51cf\u5c11\u4e86\u5bf9\u957f\u751f\u547d\u5468\u671f\u5bf9\u8c61\u7684\u4e0d\u5fc5\u8981\u68c0\u67e5\uff0c\u8fdb\u4e00\u6b65\u63d0\u5347\u4e86\u6027\u80fd\u3002<\/p>\n

### \u4e8c\u3001\u8d44\u6e90\u7ba1\u7406\u6548\u7387<\/p>\n

\u8d44\u6e90\u7ba1\u7406\u6548\u7387\u4e5f\u662f\u4e00\u4e2a\u91cd\u8981\u56e0\u7d20\u3002\u901a\u8fc7\u5ef6\u8fdf\u5185\u5b58\u7684\u56de\u6536\uff0cGC\u53ef\u4ee5\u6279\u91cf\u5904\u7406\u5185\u5b58\u56de\u6536\u8bf7\u6c42\uff0c\u8fd9\u4e0d\u4ec5\u51cf\u5c11\u4e86\u5185\u5b58\u788e\u7247\uff0c\u8fd8\u63d0\u9ad8\u4e86\u5185\u5b58\u5206\u914d\u548c\u56de\u6536\u7684\u6548\u7387\u3002\u6b64\u5916\uff0c\u4e00\u4e9b\u73b0\u4ee3GC\u7b97\u6cd5\u8fd8\u80fd\u52a8\u6001\u8c03\u6574\u56de\u6536\u7b56\u7565\uff0c\u4ee5\u9002\u5e94\u7a0b\u5e8f\u7684\u8fd0\u884c\u60c5\u51b5\uff0c\u4ece\u800c\u5728\u51cf\u5c11\u5ef6\u8fdf\u548c\u63d0\u9ad8\u541e\u5410\u91cf\u4e4b\u95f4\u627e\u5230\u6700\u4f73\u5e73\u8861\u70b9\u3002<\/p>\n

### \u4e09\u3001\u907f\u514d\u7a0b\u5e8f\u8fd0\u884c\u4e2d\u65ad<\/p>\n

\u6700\u540e\uff0c\u907f\u514d\u7a0b\u5e8f\u8fd0\u884c\u4e2d\u65ad\u4e5f\u662fGC\u4e0d\u91c7\u7528\u5b9e\u65f6\u5185\u5b58\u91ca\u653e\u7684\u539f\u56e0\u4e4b\u4e00\u3002\u5982\u679cGC\u5728\u6bcf\u4e2a\u5bf9\u8c61\u751f\u547d\u5468\u671f\u7ed3\u675f\u65f6\u7acb\u5373\u4ecb\u5165\uff0c\u5c06\u9891\u7e41\u6253\u65ad\u7a0b\u5e8f\u6267\u884c\uff0c\u8fd9\u5bf9\u4e8e\u9700\u8981\u957f\u65f6\u95f4\u8fd0\u884c\u7684\u5e94\u7528\u7a0b\u5e8f\u6765\u8bf4\u662f\u4e0d\u53ef\u63a5\u53d7\u7684\u3002\u901a\u8fc7\u91c7\u7528\u5ef6\u8fdf\u56de\u6536\u7b56\u7565\uff0cGC\u53ef\u4ee5\u5728\u7cfb\u7edf\u8d44\u6e90\u5145\u8db3\u6216CPU\u4f7f\u7528\u7387\u4f4e\u65f6\u6267\u884c\uff0c\u51cf\u5c11\u5bf9\u7a0b\u5e8f\u4e3b\u8981\u529f\u80fd\u7684\u5e72\u6270\u3002<\/p>\n

### \u7ed3\u8bba<\/p>\n

\u603b\u7684\u6765\u8bf4\uff0c\u867d\u7136GC\u4e0d\u5b9e\u65f6\u91ca\u653e\u5185\u5b58\u53ef\u80fd\u4f1a\u5bfc\u81f4\u77ed\u671f\u5185\u7684\u5185\u5b58\u5360\u7528\u589e\u52a0\uff0c\u4f46\u4ece\u957f\u8fdc\u6765\u770b\uff0c\u8fd9\u79cd\u7b56\u7565\u80fd\u591f\u663e\u8457\u63d0\u9ad8\u7a0b\u5e8f\u7684\u8fd0\u884c\u6548\u7387\u548c\u6027\u80fd\u3002\u901a\u8fc7\u51cf\u5c11\u5185\u5b58\u56de\u6536\u64cd\u4f5c\u7684\u9891\u7387\uff0c\u4f18\u5316\u8d44\u6e90\u7ba1\u7406\u6548\u7387\uff0c\u4ee5\u53ca\u907f\u514d\u7a0b\u5e8f\u8fd0\u884c\u4e2d\u65ad\uff0cGC\u786e\u4fdd\u4e86Java\u7b49\u8bed\u8a00\u80fd\u591f\u5728\u7ba1\u7406\u5185\u5b58\u65f6\u65e2\u9ad8\u6548\u53c8\u7a33\u5b9a\u3002\u56e0\u6b64\uff0c\u5c3d\u7ba1\u5b9e\u65f6\u91ca\u653e\u5185\u5b58\u5728\u7406\u8bba\u4e0a\u770b\u8d77\u6765\u66f4\u4e3a\u7406\u60f3\uff0c\u4f46\u5728\u5b9e\u8df5\u4e2d\uff0cGC\u91c7\u53d6\u7684\u5ef6\u8fdf\u56de\u6536\u7b56\u7565\u66f4\u9002\u5408\u73b0\u4ee3\u5e94\u7528\u7a0b\u5e8f\u7684\u9700\u6c42\u3002<\/p>\n

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

\u4e3a\u4ec0\u4e48Java\u7b49\u8bed\u8a00\u7684GC\u4e0d\u80fd\u5b9e\u65f6\u91ca\u653e\u5185\u5b58\uff1f<\/strong><\/p>\n

\u5b9e\u9645\u4e0a\uff0cJava\u7b49\u8bed\u8a00\u7684\u5783\u573e\u56de\u6536\u5668\uff08GC\uff09\u5e76\u975e\u5b8c\u5168\u65e0\u6cd5\u5b9e\u65f6\u91ca\u653e\u5185\u5b58\uff0c\u800c\u662f\u56e0\u4e3a\u5b9e\u65f6\u91ca\u653e\u5185\u5b58\u53ef\u80fd\u4f1a\u5f15\u53d1\u6027\u80fd\u95ee\u9898\u3002GC\u9700\u8981\u8017\u8d39\u4e00\u5b9a\u7684\u8d44\u6e90\u6765\u626b\u63cf\u3001\u6807\u8bb0\u548c\u6e05\u7406\u5185\u5b58\uff0c\u5982\u679c\u5728\u6bcf\u6b21\u9700\u8981\u91ca\u653e\u5185\u5b58\u65f6\u90fd\u5b9e\u65f6\u6267\u884c\u8fd9\u4e9b\u64cd\u4f5c\uff0c\u5c06\u4f1a\u5bfc\u81f4\u7a0b\u5e8f\u7684\u6027\u80fd\u5927\u5e45\u4e0b\u964d\u3002\u56e0\u6b64\uff0cGC\u901a\u5e38\u4f1a\u5728\u5185\u5b58\u8fbe\u5230\u4e00\u5b9a\u9608\u503c\u6216\u53d1\u751f\u7279\u5b9a\u6761\u4ef6\u65f6\u8fdb\u884c\u56de\u6536\uff0c\u4ee5\u51cf\u5c11\u5bf9\u7a0b\u5e8f\u6027\u80fd\u7684\u5f71\u54cd\u3002<\/p>\n

Java\u7b49\u8bed\u8a00\u7684GC\u5982\u4f55\u786e\u5b9a\u4f55\u65f6\u91ca\u653e\u5185\u5b58\uff1f<\/strong><\/p>\n

Java\u7b49\u8bed\u8a00\u7684\u5783\u573e\u56de\u6536\u5668\u901a\u8fc7\u4e0d\u540c\u7684\u7b97\u6cd5\u6765\u786e\u5b9a\u4f55\u65f6\u91ca\u653e\u5185\u5b58\u3002\u5176\u4e2d\uff0c\u5e38\u89c1\u7684\u7b97\u6cd5\u5305\u62ec\u6807\u8bb0-\u6e05\u9664\u3001\u590d\u5236\u548c\u6807\u8bb0-\u6574\u7406\u7b49\u3002\u6807\u8bb0-\u6e05\u9664\u7b97\u6cd5\u4f1a\u6807\u8bb0\u6240\u6709\u6d3b\u8dc3\u5bf9\u8c61\uff0c\u7136\u540e\u6e05\u9664\u672a\u88ab\u6807\u8bb0\u7684\u5bf9\u8c61\uff1b\u590d\u5236\u7b97\u6cd5\u5219\u4f1a\u5c06\u5b58\u6d3b\u5bf9\u8c61\u590d\u5236\u5230\u53e6\u4e00\u5757\u7a7a\u95f4\uff0c\u6e05\u9664\u65e7\u7a7a\u95f4\u4e2d\u7684\u672a\u88ab\u5f15\u7528\u5bf9\u8c61\uff1b\u6807\u8bb0-\u6574\u7406\u7b97\u6cd5\u4f1a\u5148\u6807\u8bb0\u6240\u6709\u6d3b\u8dc3\u5bf9\u8c61\uff0c\u7136\u540e\u5c06\u5b83\u4eec\u5411\u4e00\u7aef\u79fb\u52a8\uff0c\u6e05\u9664\u672a\u88ab\u5f15\u7528\u5bf9\u8c61\u3002\u901a\u8fc7\u8fd9\u4e9b\u7b97\u6cd5\u548c\u76f8\u5e94\u7684\u7b56\u7565\uff0cGC\u80fd\u591f\u6709\u6548\u5730\u786e\u5b9a\u4f55\u65f6\u91ca\u653e\u5185\u5b58\u3002<\/p>\n

\u4e3a\u4ec0\u4e48Java\u7b49\u8bed\u8a00\u9009\u62e9\u81ea\u52a8\u5185\u5b58\u7ba1\u7406\uff08\u5783\u573e\u56de\u6536\uff09\uff1f<\/strong><\/p>\n

Java\u7b49\u8bed\u8a00\u9009\u62e9\u81ea\u52a8\u5185\u5b58\u7ba1\u7406\u7684\u4e3b\u8981\u539f\u56e0\u662f\u4e3a\u4e86\u51cf\u5c11\u7a0b\u5e8f\u5458\u7684\u5185\u5b58\u7ba1\u7406\u8d1f\u62c5\uff0c\u63d0\u9ad8\u4ee3\u7801\u7684\u53ef\u9760\u6027\u548c\u5b89\u5168\u6027\u3002\u624b\u52a8\u5185\u5b58\u7ba1\u7406\u5bb9\u6613\u4ea7\u751f\u5185\u5b58\u6cc4\u6f0f\u548c\u91ce\u6307\u9488\u7b49\u95ee\u9898\uff0c\u800c\u81ea\u52a8\u5185\u5b58\u7ba1\u7406\u5219\u80fd\u591f\u5e2e\u52a9\u7a0b\u5e8f\u5458\u907f\u514d\u8fd9\u4e9b\u9519\u8bef\u3002\u6b64\u5916\uff0c\u81ea\u52a8\u5185\u5b58\u7ba1\u7406\u8fd8\u80fd\u591f\u66f4\u597d\u5730\u9002\u5e94\u4e0d\u540c\u573a\u666f\u4e0b\u7684\u5185\u5b58\u9700\u6c42\uff0c\u63d0\u9ad8\u7a0b\u5e8f\u7684\u8fd0\u884c\u6548\u7387\u3002\u56e0\u6b64\uff0c\u5c3d\u7ba1\u81ea\u52a8\u5185\u5b58\u7ba1\u7406\u53ef\u80fd\u4f1a\u5e26\u6765\u4e00\u4e9b\u6027\u80fd\u635f\u5931\uff0c\u4f46\u5728\u5927\u591a\u6570\u60c5\u51b5\u4e0b\uff0c\u8fd9\u79cd\u635f\u5931\u8fdc\u8fdc\u5c0f\u4e8e\u624b\u52a8\u5185\u5b58\u7ba1\u7406\u53ef\u80fd\u5e26\u6765\u7684\u6f5c\u5728\u95ee\u9898\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"## Java \u7b49\u8bed\u8a00\u7684 GC \u4e3a\u4ec0\u4e48\u4e0d\u5b9e\u65f6\u91ca\u653e\u5185\u5b58 \u5728\u8ba8\u8bbaJava\u7b49\u9ad8\u7ea7\u7f16\u7a0b\u8bed\u8a00\u4e2d\u5783\u573e\u6536\u96c6\uff08GC\uff09\u673a\u5236\u7684\u5de5\u4f5c […]","protected":false},"author":1,"featured_media":71706,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[37],"tags":[],"acf":[],"_links":{"self":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/71672"}],"collection":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/comments?post=71672"}],"version-history":[{"count":0,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/71672\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/71706"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=71672"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=71672"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=71672"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}