{"id":567,"date":"2019-10-10T14:27:38","date_gmt":"2019-10-10T06:27:38","guid":{"rendered":"http:\/\/weitaoc.com\/?p=567"},"modified":"2019-10-10T15:39:36","modified_gmt":"2019-10-10T07:39:36","slug":"%e5%9e%83%e5%9c%be%e5%9b%9e%e6%94%b6gc%e6%9c%ba%e5%88%b6%e7%ae%97%e6%b3%95","status":"publish","type":"post","link":"http:\/\/weitaoc.com\/?p=567","title":{"rendered":"\u5783\u573e\u56de\u6536(GC)\u673a\u5236\u7b97\u6cd5"},"content":{"rendered":"\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\"><p>Java\u8bed\u8a00\u4e2d\u4e00\u4e2a\u663e\u8457\u7684\u7279\u70b9\u5c31\u662f\u5f15\u5165\u4e86\u5783\u573e\u56de\u6536\u673a\u5236\uff0c\u4f7fc++\u7a0b\u5e8f\u5458\u6700\u5934\u75bc\u7684\u5185\u5b58\u7ba1\u7406\u7684\u95ee\u9898\u8fce\u5203\u800c\u89e3\uff0c\u5b83\u4f7f\u5f97Java\u7a0b\u5e8f\u5458\u5728\u7f16\u5199\u7a0b\u5e8f\u7684\u65f6\u5019\u4e0d\u518d\u9700\u8981\u8003\u8651\u5185\u5b58\u7ba1\u7406\u3002\u7531\u4e8e\u6709\u4e2a\u5783\u573e\u56de\u6536\u673a\u5236\uff0cJava\u4e2d\u7684\u5bf9\u8c61\u4e0d\u518d\u6709\u201c\u4f5c\u7528\u57df\u201d\u7684\u6982\u5ff5\uff0c\u53ea\u6709\u5bf9\u8c61\u7684\u5f15\u7528\u624d\u6709\u201c\u4f5c\u7528\u57df\u201d\u3002\u5783\u573e\u56de\u6536\u53ef\u4ee5\u6709\u6548\u7684\u9632\u6b62\u5185\u5b58\u6cc4\u9732\uff0c\u6709\u6548\u7684\u4f7f\u7528\u7a7a\u95f2\u7684\u5185\u5b58\u3002 <\/p><cite>\u8bef\u533a\uff1a\u4e0d\u53ef\u8fbe\u7684\u5bf9\u8c61\u5e76\u4e0d\u4f1a\u9a6c\u4e0a\u5c31\u4f1a\u88ab\u76f4\u63a5\u56de\u6536\uff0c\u800c\u662f\u81f3\u5c11\u8981\u7ecf\u8fc7\u4e24\u6b21\u6807\u8bb0\u7684\u8fc7\u7a0b\u3002<\/cite><\/blockquote>\n\n\n\n<p>\u5783\u573e\u56de\u6536\u7b80\u8981\u8fc7\u7a0b<\/p>\n\n\n\n<p>\u7b2c\u4e00\u6b21\u88ab\u6807\u8bb0\u8fc7\u7684\u5bf9\u8c61\uff0c\u4f1a\u68c0\u67e5\u8be5\u5bf9\u8c61\u662f\u5426\u91cd\u5199\u4e86finalize()\u65b9\u6cd5\u3002\u5982\u679c\u91cd\u5199\u4e86\u8be5\u65b9\u6cd5\uff0c\u5219\u5c06\u5176\u653e\u5165\u4e00\u4e2aF-Query\u961f\u5217\u4e2d\uff0c\u5426\u5219\uff0c\u76f4\u63a5\u5c06\u5bf9\u8c61\u52a0\u5165\u201c\u5373\u5c06\u56de\u6536\u201d\u96c6\u5408\u3002\u5728\u7b2c\u4e8c\u6b21\u6807\u8bb0\u4e4b\u524d\uff0cF-Query\u961f\u5217\u4e2d\u7684\u6240\u6709\u5bf9\u8c61\u4f1a\u9010\u4e2a\u6267\u884cfinalize()\u65b9\u6cd5\uff0c\u4f46\u662f\u4e0d\u4fdd\u8bc1\u8be5\u961f\u5217\u4e2d\u6240\u6709\u5bf9\u8c61\u7684finalize()\u65b9\u6cd5\u90fd\u80fd\u88ab\u6267\u884c\uff0c\u8fd9\u662f\u56e0\u4e3aJVM\u521b\u5efa\u4e00\u4e2a\u4f4e\u4f18\u5148\u7ea7\u7684\u7ebf\u7a0b\u53bb\u8fd0\u884c\u6b64\u961f\u5217\u4e2d\u7684\u65b9\u6cd5\uff0c\u5f88\u53ef\u80fd\u5728\u6ca1\u6709\u904d\u5386\u5b8c\u4e4b\u524d\uff0c\u5c31\u5df2\u7ecf\u88ab\u5265\u593a\u4e86\u8fd0\u884c\u7684\u6743\u5229\u3002\u90a3\u4e48\u8fd0\u884cfinalize()\u65b9\u6cd5\u7684\u610f\u4e49\u4f55\u5728\u5462\uff1f\u8fd9\u662f\u5bf9\u8c61\u907f\u514d\u81ea\u5df1\u88ab\u6e05\u7406\u7684\u6700\u540e\u624b\u6bb5\uff1a\u5982\u679c\u5728\u6267\u884cfinalize()\u65b9\u6cd5\u7684\u8fc7\u7a0b\u4e2d\uff0c\u4f7f\u5f97\u6b64\u5bf9\u8c61\u91cd\u65b0\u4e0eGC Roots\u5f15\u7528\u94fe\u76f8\u8fde\uff0c\u5219\u4f1a\u5728\u7b2c\u4e8c\u6b21\u6807\u8bb0\u8fc7\u7a0b\u4e2d\u5c06\u6b64\u5bf9\u8c61\u4eceF-Query\u961f\u5217\u4e2d\u6e05\u9664\uff0c\u907f\u514d\u5728\u8fd9\u6b21\u56de\u6536\u4e2d\u88ab\u6e05\u9664\uff0c\u6062\u590d\u6210\u4e86\u4e00\u4e2a\u201c\u6b63\u5e38\u201d\u7684\u5bf9\u8c61\u3002\u4f46\u663e\u7136\u8fd9\u79cd\u597d\u4e8b\u4e0d\u80fd\u65e0\u9650\u7684\u53d1\u751f\uff0c\u5bf9\u4e8e\u66fe\u7ecf\u6267\u884c\u8fc7\u4e00\u6b21finalize()\u7684\u5bf9\u8c61\u6765\u8bf4\uff0c\u4e4b\u540e\u5982\u679c\u518d\u88ab\u6807\u8bb0\uff0c\u5219\u4e0d\u4f1a\u518d\u6267\u884cfinalize()\u65b9\u6cd5\uff0c\u53ea\u80fd\u7b49\u5f85\u88ab\u6e05\u9664\u7684\u547d\u8fd0\u3002<\/p>\n\n\n\n<p>\u4e4b\u540e\uff0cGC\u5c06\u5bf9F-Queue\u4e2d\u7684\u5bf9\u8c61\u8fdb\u884c\u7b2c\u4e8c\u6b21\u5c0f\u89c4\u6a21\u7684\u6807\u8bb0\uff0c\u5c06\u961f\u5217\u4e2d\u91cd\u65b0\u4e0eGC Roots\u5f15\u7528\u94fe\u6062\u590d\u8fde\u63a5\u7684\u5bf9\u8c61\u6e05\u9664\u51fa\u201c\u5373\u5c06\u56de\u6536\u201d\u96c6\u5408\u3002\u6240\u6709\u6b64\u96c6\u5408\u4e2d\u7684\u5185\u5bb9\u5c06\u88ab\u56de\u6536\u3002<\/p>\n\n\n\n<p>finalize()\u65b9\u6cd5\u6700\u591a\u53ea\u4f1a\u88ab\u6267\u884c\u4e00\u6b21\u3002<\/p>\n\n\n\n<p>finalize()\u7684\u4f5c\u7528<\/p>\n\n\n\n<p>Java\u6280\u672f\u4f7f\u7528finalize()\u65b9\u6cd5\u5728\u5783\u573e\u6536\u96c6\u5668\u5c06\u5bf9\u8c61\u4ece\u5185\u5b58\u4e2d\u6e05\u9664\u51fa\u53bb\u524d\uff0c\u505a\u5fc5\u8981\u7684\u6e05\u7406\u5de5\u4f5c\u3002\u8fd9\u4e2a\u65b9\u6cd5\u662f\u7531\u5783\u573e\u6536\u96c6\u5668\u5728\u786e\u5b9a\u8fd9\u4e2a\u5bf9\u8c61\u6ca1\u6709\u88ab\u5f15\u7528\u65f6\u5bf9\u8fd9\u4e2a\u5bf9\u8c61\u8c03\u7528\u7684\u3002\u5b83\u662f\u5728Object\u7c7b\u4e2d\u5b9a\u4e49\u7684\uff0c\u56e0\u6b64\u6240\u6709\u7684\u7c7b\u90fd\u7ee7\u627f\u4e86\u5b83\u3002\u5b50\u7c7b\u8986\u76d6finalize()\u65b9\u6cd5\u4ee5\u6574\u7406\u7cfb\u7edf\u8d44\u6e90\u6216\u8005\u6267\u884c\u5176\u4ed6\u6e05\u7406\u5de5\u4f5c\u3002finalize()\u65b9\u6cd5\u662f\u5728\u5783\u573e\u6536\u96c6\u5668\u5220\u9664\u5bf9\u8c61\u4e4b\u524d\u5bf9\u8fd9\u4e2a\u5bf9\u8c61\u8c03\u7528\u7684\u3002<\/p>\n\n\n\n<p>\u5783\u573e\u56de\u6536\u7684\u7b97\u6cd5\u5305\u62ec\u5f15\u7528\u8ba1\u6570\u3001\u53ef\u8fbe\u6027\u7b97\u6cd5\u3001\u6807\u8bb0\u6e05\u9664\u3001\u590d\u5236\u3001\u6807\u8bb0\u6574\u7406\u3001\u5206\u4ee3\u6536\u96c6\u7b49\uff0c\u5176\u4e2djava\u65b0\u751f\u4ee3\u4f7f\u7528\u7684\u7b97\u6cd5\u662f\u590d\u5236\u7b97\u6cd5\uff0c\u8001\u5e74\u4ee3\u4f7f\u7528\u7684\u662f\u6807\u8bb0\u538b\u7f29\u3002<\/p>\n\n\n\n<p>\u5176\u4e2d\uff0c\u5f15\u7528\u8ba1\u6570\u548c\u53ef\u8fbe\u6027\u4e24\u79cd\u7b97\u6cd5\u662f\u5bf9\u8c61\u5224\u65ad\u662f\u5426\u53ef\u56de\u6536\u7684\u57fa\u7840\u7b97\u6cd5\uff0c\u6807\u8bb0\u6e05\u9664\u3001\u590d\u5236\u3001\u6807\u8bb0\u6574\u7406\u662f\u56de\u6536\u8fc7\u7a0b\u7b97\u6cd5\uff0c\u5206\u4ee3\u6536\u96c6\u662f\u56de\u6536\u6a21\u578b\u3002<\/p>\n\n\n\n<p><strong>\u5f15\u7528\u8ba1\u6570\u7b97\u6cd5<\/strong><\/p>\n\n\n\n<p>\u5728\u5bf9\u8c61\u4e2d\u6dfb\u52a0\u4e00\u4e2a\u8ba1\u6570\u5668\uff0c\u5f15\u7528\u4e00\u6b21\u8ba1\u6570\u5668\u5c31\u52a0\u4e00\uff0c\u5f15\u7528\u5931\u6548\u5c31\u51cf\u4e00\uff0c\u8ba1\u6570\u5668\u4e3a0\u65f6\u8868\u793a\u6ca1\u6709\u5f15\u7528\uff0c\u5c31\u4f1a\u88ab\u6e05\u9664\u6389\u3002<\/p>\n\n\n\n<p>\u4f18\u70b9\uff1a\u5f15\u7528\u8ba1\u6570\u6536\u96c6\u5668\u53ef\u4ee5\u5f88\u5feb\u7684\u6267\u884c\uff0c\u4ea4\u7ec7\u5728\u7a0b\u5e8f\u8fd0\u884c\u4e2d\u3002\u5bf9\u7a0b\u5e8f\u9700\u8981\u4e0d\u88ab\u957f\u65f6\u95f4\u6253\u65ad\u7684\u5b9e\u65f6\u73af\u5883\u6bd4\u8f83\u6709\u5229\u3002<\/p>\n\n\n\n<p>\u7f3a\u70b9\uff1a\u65e0\u6cd5\u68c0\u6d4b\u51fa\u5faa\u73af\u5f15\u7528\u3002\u5982\u7236\u5bf9\u8c61\u6709\u4e00\u4e2a\u5bf9\u5b50\u5bf9\u8c61\u7684\u5f15\u7528\uff0c\u5b50\u5bf9\u8c61\u53cd\u8fc7\u6765\u5f15\u7528\u7236\u5bf9\u8c61\u3002\u8fd9\u6837\uff0c\u4ed6\u4eec\u7684\u5f15\u7528\u8ba1\u6570\u6c38\u8fdc\u4e0d\u53ef\u80fd\u4e3a0.\u800c\u4e14\u6bcf\u6b21\u52a0\u51cf\u975e\u5e38\u6d6a\u8d39\u5185\u5b58\u3002<\/p>\n\n\n\n<p><strong>\u53ef\u8fbe\u6027\u5206\u6790\u7b97\u6cd5 <\/strong><\/p>\n\n\n\n<p>\u5728\u4e3b\u6d41\u7684\u5546\u7528\u8bed\u8a00\uff08Java\u3001C#\uff09\u4e2d\u90fd\u4f7f\u7528\u53ef\u8fbe\u6027\u5206\u6790\uff08Reachability Analysis\uff09\u6765\u5224\u5b9a\u5bf9\u8c61\u662f\u5426\u5b58\u6d3b\u7684\u3002\u901a\u8fc7\u4e00\u7cfb\u5217\u7684\u79f0\u4e3a\u201cGC Roots\u201d\u7684\u5bf9\u8c61\u4f5c\u4e3a\u8d77\u59cb\u70b9\uff0c\u4ece\u8fd9\u4e9b\u8282\u70b9\u5f00\u59cb\u5411\u4e0b\u641c\u7d22\uff0c\u641c\u7d22\u6240\u8d70\u8fc7\u7684\u8def\u5f84\u79f0\u4e3a\u5f15\u7528\u94fe\uff08Reference Chain\uff09,\u5f53\u4e00\u4e2a\u5bf9\u8c61\u5230GC Roots\u6ca1\u6709\u4efb\u4f55\u5f15\u7528\u94fe\u76f8\u8fde\u65f6\uff0c\u5219\u8bc1\u660e\u6b64\u5bf9\u8c61\u662f\u4e0d\u53ef\u7528\u7684\u3002<\/p>\n\n\n\n<p><strong>\u6807\u8bb0\u6e05\u9664\u7b97\u6cd5<\/strong><\/p>\n\n\n\n<p>\u6807\u8bb0\u5c31\u662f\u6839\u636e\u7279\u5b9a\u7684\u7b97\u6cd5\uff08\u5982\uff1a\u5f15\u7528\u8ba1\u6570\u7b97\u6cd5\uff0c\u53ef\u8fbe\u6027\u5206\u6790\u7b97\u6cd5\u7b49\uff0c\u4e00\u822c\u91c7\u7528\u53ef\u8fbe\u6027\u7b97\u6cd5\uff09\u6807\u51fa\u5185\u5b58\u4e2d\u54ea\u4e9b\u5bf9\u8c61\u53ef\u4ee5\u56de\u6536\uff0c\u54ea\u4e9b\u5bf9\u8c61\u8fd8\u8981\u7ee7\u7eed\u7528\u3002\u6807\u8bb0\u6307\u793a\u56de\u6536\uff0c\u90a3\u5c31\u76f4\u63a5\u6536\u6389\uff1b\u6807\u8bb0\u6307\u793a\u5bf9\u8c61\u8fd8\u80fd\u7528\uff0c\u90a3\u5c31\u539f\u5730\u4e0d\u52a8\u7559\u4e0b\u3002<\/p>\n\n\n\n<p>\u4f18\u70b9\uff1a\u65e0\u7279\u522b\u660e\u663e\u7684\u4f18\u70b9\uff0c\u4e00\u822c\u4e0d\u91c7\u7528<\/p>\n\n\n\n<p>\u7f3a\u70b9\uff1a\u6548\u7387\u6bd4\u8f83\u4f4e\u3001\u6e05\u9664\u540e\u4ea7\u751f\u5927\u91cf\u5185\u5b58\u788e\u7247<\/p>\n\n\n\n<p><strong>\u590d\u5236\u7b97\u6cd5<\/strong><\/p>\n\n\n\n<p>\u5c06\u5185\u5b58\u5206\u4e3a\u51e0\u4e2a\u533a\u57df\uff0c\u6bcf\u6b21GC\u65f6\u5c06\u5b58\u6d3b\u7684\u6570\u636e\u590d\u5236\u5230\u53e6\u5916\u4e00\u4e2a\u533a\u57df\uff0c\u7136\u540e\u6e05\u9664\u5f53\u524d\u533a\u57df\u3002\u4fdd\u8bc1\u5185\u5b58\u7684\u8fde\u7eed\u6027\u3002<\/p>\n\n\n\n<p>\u76ee\u524d\u5546\u7528\u7684\u865a\u62df\u673a\u65b0\u751f\u4ee3\u4e2d\u90fd\u662f\u91c7\u7528\u590d\u5236\u7b97\u6cd5\uff0c\u5c06\u5185\u5bb9\u5206\u4e3a\u4f0a\u7538\u56ed\u533a\u548c\u4e24\u4e2a\u5e78\u5b58\u533a\u3002\u5bf9\u8c61\u521d\u59cb\u5316\u65f6\u653e\u5165\u4f0a\u7538\u56ed\u533a\u548c\u67d0\u4e00\u4e2a\u5e78\u5b58\u8005\u533a\uff0cGC\u540e\u4e00\u8d77\u590d\u5236\u5230\u53e6\u5916\u4e00\u4e2a\u5e78\u5b58\u8005\u533a\uff0c\u7531\u4e8e\u5e78\u5b58\u8005\u533a\u4e00\u822c\u6765\u8bf4\u6bd4\u8f83\u5c0f\uff0c\u5e78\u5b58\u8005\u533a\u5982\u679c\u7a7a\u95f4\u4e0d\u591f\uff0c\u5c31\u4f1a\u8fdb\u5165\u8001\u5e74\u4ee3\u3002<\/p>\n\n\n\n<p>\u4f18\u70b9\uff1a\u4e0d\u4f1a\u4ea7\u751f\u5185\u5b58\u788e\u7247\uff0c\u6574\u4f53\u6548\u7387\u6bd4\u8f83\u9ad8<\/p>\n\n\n\n<p>\u7f3a\u70b9\uff1a\u5360\u7528\u6bd4\u8f83\u591a\u7684\u5185\u5b58<\/p>\n\n\n\n<p><strong>\u6807\u8bb0\u6574\u7406\u7b97\u6cd5<\/strong><\/p>\n\n\n\n<p>\u6807\u8bb0\u8fc7\u7a0b\u4ecd\u7136\u4e0e\u201c\u6807\u8bb0-\u6e05\u9664\u201d\u7b97\u6cd5\u4e00\u6837\uff0c\u4f46\u540e\u7eed\u6b65\u9aa4\u4e0d\u662f\u76f4\u63a5\u5bf9\u53ef\u56de\u6536\u5bf9\u8c61\u8fdb\u884c\u6e05\u7406\uff0c\u800c\u662f\u8ba9\u6240\u6709\u5b58\u6d3b\u7684\u5bf9\u8c61\u90fd\u5411\u4e00\u7aef\u79fb\u52a8\uff0c\u7136\u540e\u76f4\u63a5\u6e05\u7406\u6389\u7aef\u8fb9\u754c\u4ee5\u5916\u7684\u5185\u5b58\u3002<\/p>\n\n\n\n<p>\u590d\u5236\u7b97\u6cd5\u7684\u9ad8\u6548\u5efa\u7acb\u5728\u5b58\u6d3b\u5bf9\u8c61\u5c11\uff0c\u5783\u573e\u5bf9\u8c61\u591a\u7684\u524d\u63d0\u4e0b\u3002\u8fd9\u79cd\u60c5\u51b5\u5728\u65b0\u751f\u4ee3\u6bd4\u8f83\u5bb9\u6613\u53d1\u751f\uff0c\u5728\u8001\u5e74\u4ee3\u66f4\u5e38\u89c1\u7684\u60c5\u51b5\u662f\u5927\u90e8\u5206\u90fd\u662f\u5b58\u6d3b\u5bf9\u8c61\u3002\u6807\u8bb0\u6574\u7406\u7b97\u6cd5\uff0c\u662f\u4e00\u79cd\u8001\u5e74\u4ee3\u7684\u56de\u6536\u7b97\u6cd5\uff0c\u4ece\u6839\u8282\u70b9\u5bf9\u6240\u6709\u7684\u5bf9\u8c61\u505a\u4e00\u6b21\u6807\u8bb0\uff0c\u7136\u540e\u5c06\u6240\u6709\u5b58\u6d3b\u7684\u5bf9\u8c61\u538b\u7f29\u5230\u5185\u5b58\u7684\u53e6\u5916\u4e00\u7aef\uff0c\u5728\u6e05\u695a\u754c\u8fb9\u754c\u5916\u6240\u6709\u7684\u7a7a\u95f4\u3002\u8fd9\u79cd\u65b9\u6cd5\u4e0d\u4ea7\u751f\u788e\u7247\uff0c\u53c8\u4e0d\u9700\u89812\u5757\u76f8\u540c\u7684\u5185\u5b58\u7a7a\u95f4\u3002<\/p>\n\n\n\n<p>\u4f18\u70b9\uff1a\u4e0d\u9700\u8981\u590d\u5236\u7b97\u6cd5\u9700\u8981\u989d\u5916\u7684\u5185\u5bb9\u7a7a\u95f4\uff0c\u540c\u6837\u5b9e\u73b0\u65e0\u5185\u5b58\u788e\u7247<\/p>\n\n\n\n<p><strong>\u5206\u4ee3\u6536\u96c6\u7b97\u6cd5<\/strong><\/p>\n\n\n\n<p>\u6839\u636e\u5185\u5b58\u4e2d\u5bf9\u8c61\u7684\u5b58\u6d3b\u5468\u671f\u4e0d\u540c\uff0c\u5c06\u5185\u5b58\u5212\u5206\u4e3a\u51e0\u5757\uff0cjava\u7684\u865a\u62df\u673a\u4e2d\u4e00\u822c\u628a\u5185\u5b58\u5212\u5206\u4e3a\u65b0\u751f\u4ee3\u548c\u5e74\u8001\u4ee3\uff0c\u5f53\u65b0\u521b\u5efa\u5bf9\u8c61\u65f6\u4e00\u822c\u5728\u65b0\u751f\u4ee3\u4e2d\u5206\u914d\u5185\u5b58\u7a7a\u95f4\uff0c\u5f53\u65b0\u751f\u4ee3\u5783\u573e\u6536\u96c6\u5668\u56de\u6536\u51e0\u6b21\u4e4b\u540e\u4ecd\u7136\u5b58\u6d3b\u7684\u5bf9\u8c61\u4f1a\u88ab\u79fb\u52a8\u5230\u8001\u5e74\u4ee3\u5185\u5b58\u4e2d\uff0c\u5f53\u5927\u5bf9\u8c61\u5728\u65b0\u751f\u4ee3\u4e2d\u65e0\u6cd5\u627e\u5230\u8db3\u591f\u7684\u8fde\u7eed\u5185\u5b58\u65f6\u4e5f\u76f4\u63a5\u5728\u8001\u5e74\u4ee3\u4e2d\u521b\u5efa\u3002<br>\u5bf9\u4e8e\u65b0\u751f\u4ee3\u548c\u8001\u5e74\u4ee3\u6765\u8bf4,\u65b0\u751f\u4ee3\u56de\u6536\u9891\u7387\u5f88\u9ad8,\u4f46\u662f\u6bcf\u6b21\u56de\u6536\u8017\u65f6\u5f88\u77ed,\u800c\u8001\u5e74\u4ee3\u56de\u6536\u9891\u7387\u8f83\u4f4e,\u4f46\u662f\u8017\u65f6\u4f1a\u76f8\u5bf9\u8f83\u957f,\u6240\u4ee5\u5e94\u8be5\u5c3d\u91cf\u51cf\u5c11\u8001\u5e74\u4ee3\u7684GC.<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\"><p>\u4e3a\u4ec0\u4e48\u8001\u5e74\u4ee3\u4f7f\u7528\u6807\u8bb0\u538b\u7f29\u3001\u65b0\u751f\u4ee3\u4f7f\u7528\u590d\u5236\u7b97\u6cd5\uff1f  <\/p><cite>\u524d\u9762\u63d0\u5230\u4e86\uff0c\u65b0\u751f\u4ee3\u7684\u5783\u573e\u5bf9\u8c61\u6bd4\u8f83\u591a\u53ea\u9700\u8981\u590d\u5236\u8f83\u5c11\u7684\u5bf9\u8c61\u5c31\u53ef\u4ee5\u6ee1\u8db3\u9700\u6c42\uff0c\u8001\u5e74\u4ee3\u6070\u597d\u76f8\u53cd\uff0c\u5b58\u6d3b\u7387\u6bd4\u8f83\u9ad8\uff0c\u4e14\u8001\u5e74\u4ee3\u7684GC\u9891\u7387\u8fdc\u8fdc\u4f4e\u4e8e\u65b0\u751f\u4ee3\uff0c\u4f7f\u7528\u6807\u8bb0\u6574\u7406\u5c31\u80fd\u6ee1\u8db3\u9700\u6c42<\/cite><\/blockquote>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\"><p>\u5783\u573e\u56de\u6536\u65f6\u7684\u505c\u987f\u73b0\u8c61<\/p><cite>\u5783\u573e\u56de\u6536\u7684\u4efb\u52a1\u662f\u8bc6\u522b\u548c\u56de\u6536\u5783\u573e\u5bf9\u8c61\u8fdb\u884c\u5185\u5b58\u6e05\u7406\uff0c\u4e3a\u4e86\u8ba9\u5783\u573e\u56de\u6536\u5668\u53ef\u4ee5\u66f4\u9ad8\u6548\u7684\u6267\u884c\uff0c\u5927\u90e8\u5206\u60c5\u51b5\u4e0b\uff0c\u4f1a\u8981\u6c42\u7cfb\u7edf\u8fdb\u5982\u4e00\u4e2a\u505c\u987f\u7684\u72b6\u6001\u3002\u505c\u987f\u7684\u76ee\u7684\u662f\u4e3a\u4e86\u7ec8\u6b62\u6240\u6709\u7684\u5e94\u7528\u7ebf\u7a0b\uff0c\u53ea\u6709\u8fd9\u6837\u7684\u7cfb\u7edf\u624d\u4e0d\u4f1a\u6709\u65b0\u5783\u573e\u7684\u4ea7\u751f\u3002\u540c\u65f6\u505c\u987f\u4fdd\u8bc1\u4e86\u7cfb\u7edf\u72b6\u6001\u5728\u67d0\u4e00\u4e2a\u77ac\u95f4\u7684\u4e00\u81f4\u6027\uff0c\u4e5f\u6709\u5229\u4e8e\u66f4\u597d\u7684\u6807\u8bb0\u5783\u573e\u5bf9\u8c61\u3002\u56e0\u6b64\u5728\u5783\u573e\u56de\u6536\u65f6\uff0c\u90fd\u4f1a\u4ea7\u751f\u5e94\u7528\u7a0b\u5e8f\u7684\u505c\u987f\u3002<\/cite><\/blockquote>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\"><p>\u4ec0\u4e48\u65f6\u5019\u53d1\u751ffull gc<\/p><cite>full gc\u53ea\u4f1a\u53d1\u751f\u5728\u8001\u5e74\u4ee3\uff0c\u5f53\u65b0\u751f\u4ee3\u8f6c\u79fb\u5230\u8001\u5e74\u4ee3\u65f6\uff0c\u8001\u5e74\u4ee3\u5185\u5b58\u4e0d\u8db3\uff0c\u5c31\u4f1a\u89e6\u53d1full gc\uff0cfull gc\u662f\u9488\u5bf9\u6574\u4e2a\u5806\u6765\u8bf4\u7684\uff0c\u4f1a\u89e6\u53d1\u4e00\u6b21\u65b0\u751f\u4ee3\u548c\u8001\u5e74\u4ee3\u7684\u6574\u4f53GC\u3002full gc\u7684\u5371\u5bb3\u6027\u5c31\u5728\u8fd9\u91cc\u3002<\/cite><\/blockquote>\n<p>\u8f6c\u8f7d\u8bf7\u6ce8\u660e\uff1a<a href=\"http:\/\/weitaoc.com\">\u8ff7\u8def\u7684\u8001\u9f20<\/a> &raquo; <a href=\"http:\/\/weitaoc.com\/?p=567\">\u5783\u573e\u56de\u6536(GC)\u673a\u5236\u7b97\u6cd5<\/a><\/p>","protected":false},"excerpt":{"rendered":"<p>Java\u8bed\u8a00\u4e2d\u4e00\u4e2a\u663e\u8457\u7684\u7279\u70b9\u5c31\u662f\u5f15\u5165\u4e86\u5783\u573e\u56de\u6536\u673a\u5236\uff0c\u4f7fc++\u7a0b\u5e8f\u5458\u6700\u5934\u75bc\u7684\u5185\u5b58\u7ba1\u7406\u7684\u95ee\u9898\u8fce\u5203\u800c\u89e3\uff0c\u5b83\u4f7f\u5f97Java\u7a0b\u5e8f\u5458\u5728\u7f16\u5199\u7a0b\u5e8f\u7684\u65f6\u5019\u4e0d\u518d\u9700\u8981\u8003\u8651\u5185\u5b58\u7ba1\u7406\u3002\u7531\u4e8e\u6709\u4e2a\u5783\u573e\u56de\u6536\u673a\u5236\uff0cJava\u4e2d\u7684\u5bf9\u8c61\u4e0d\u518d\u6709\u201c\u4f5c\u7528\u57df\u201d\u7684\u6982\u5ff5\uff0c\u53ea\u6709\u5bf9\u8c61\u7684\u5f15\u7528\u624d\u6709\u201c\u4f5c\u7528\u57df\u201d\u3002\u5783 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[57],"tags":[59,63],"class_list":["post-567","post","type-post","status-publish","format-standard","hentry","category-java","tag-java","tag-jvm"],"views":8500,"_links":{"self":[{"href":"http:\/\/weitaoc.com\/index.php?rest_route=\/wp\/v2\/posts\/567","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/weitaoc.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/weitaoc.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/weitaoc.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/weitaoc.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=567"}],"version-history":[{"count":4,"href":"http:\/\/weitaoc.com\/index.php?rest_route=\/wp\/v2\/posts\/567\/revisions"}],"predecessor-version":[{"id":572,"href":"http:\/\/weitaoc.com\/index.php?rest_route=\/wp\/v2\/posts\/567\/revisions\/572"}],"wp:attachment":[{"href":"http:\/\/weitaoc.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=567"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/weitaoc.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=567"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/weitaoc.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=567"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}