{"id":6509,"date":"2024-09-13T09:35:25","date_gmt":"2024-09-13T01:35:25","guid":{"rendered":"https:\/\/xinchewhd.com.cn\/?p=6509"},"modified":"2024-09-13T09:35:58","modified_gmt":"2024-09-13T01:35:58","slug":"cpu-%e7%8b%82%e9%a3%99-900%ef%bc%8c%e8%af%a5%e6%80%8e%e4%b9%88%e5%a4%84%e7%90%86%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/xinchewhd.com.cn\/index.php\/java\/cpu-%e7%8b%82%e9%a3%99-900%ef%bc%8c%e8%af%a5%e6%80%8e%e4%b9%88%e5%a4%84%e7%90%86%ef%bc%9f\/","title":{"rendered":"CPU \u72c2\u98d9 900%\uff0c\u8be5\u600e\u4e48\u5904\u7406\uff1f"},"content":{"rendered":"\n<p><strong>\u573a\u666f:1\uff1aMySQL\u8fdb\u7a0b\u98d9\u5347900%<\/strong><br>\u5927\u5bb6\u5728\u4f7f\u7528MySQL\u8fc7\u7a0b\uff0c\u60f3\u5fc5\u90fd\u6709\u9047\u5230\u8fc7CPU\u7a81\u7136\u8fc7\u9ad8\uff0c\u6216\u8005\u8fbe\u5230200%\u4ee5\u4e0a\u7684\u60c5\u51b5\u3002<br>\u6570\u636e\u5e93\u6267\u884c\u67e5\u8be2\u6216\u6570\u636e\u4fee\u6539\u64cd\u4f5c\u65f6\uff0c\u7cfb\u7edf\u9700\u8981\u6d88\u8017\u5927\u91cf\u7684CPU\u8d44\u6e90\u7ef4\u62a4\u4ece\u5b58\u50a8\u7cfb\u7edf\u3001\u5185\u5b58\u6570\u636e\u4e2d\u7684\u4e00\u81f4\u6027\u3002<br>\u5e76\u53d1\u91cf\u5927\u5e76\u4e14\u5927\u91cfSQL\u6027\u80fd\u4f4e\u7684\u60c5\u51b5\u4e0b\uff0c\u6bd4\u5982\u5b57\u6bb5\u662f\u6ca1\u6709\u5efa\u7acb\u7d22\u5f15\uff0c\u5219\u4f1a\u5bfc\u81f4\u5feb\u901fCPU\u98d9\u5347\uff0c\u5982\u679c\u8fd8\u5f00\u542f\u4e86\u6162\u65e5\u5fd7\u8bb0\u5f55\uff0c\u4f1a\u5bfc\u81f4\u6027\u80fd\u66f4\u52a0\u6076\u5316\u3002\u751f\u4ea7\u4e0a\u6709MYSQL \u98d9\u5347900% \u7684\u6076\u52a3\u60c5\u51b5\u3002<br><strong>\u573a\u666f2\uff1aJava\u8fdb\u7a0b\u98d9\u5347900%<\/strong><br>\u4e00\u822c\u6765\u8bf4Java \u8fdb\u7a0b\u4e0d\u505a\u5927\u91cf CPU \u8fd0\u7b97\uff0c\u6b63\u5e38\u60c5\u51b5\u4e0b\uff0cCPU \u5e94\u8be5\u5728 100~200% \u4e4b\u95f4\uff0c<br>\u4f46\u662f\uff0c\u4e00\u65e6\u9ad8\u5e76\u53d1\u573a\u666f\uff0c\u8981\u4e48\u8d70\u5230\u4e86\u6b7b\u5faa\u73af\uff0c\u8981\u4e48\u5c31\u662f\u5728\u505a\u5927\u91cf\u7684 GC, \u00a0\u5bb9\u6613\u51fa\u73b0\u8fd9\u79cd CPU \u98d9\u5347\u7684\u60c5\u51b5\uff0cCPU\u98d9\u5347900%\uff0c\u662f\u5b8c\u5168\u6709\u53ef\u80fd\u7684\u3002<br><strong>\u5176\u4ed6\u573a\u666f\uff1a\u5176\u4ed6\u7684\u7c7b\u4f3c\u8fdb\u7a0b\u98d9\u5347900%\u7684\u573a\u666f<\/strong><br>\u6bd4\u5982Redis\u3001Nginx\u7b49\u7b49\u3002<br>\u9648\u67d0\u63d0\u793a\uff1a\u5927\u5bb6\u4ecb\u7ecd\u573a\u666f\u7684\u65f6\u5019\uff0c\u5c31\u8bf4\u81ea\u5df1\u4e3b\u8981\u6d89\u53ca\u4e86\u4e24\u4e2a\u573a\u666f\uff0c Java\u8fdb\u7a0b\u98d9\u5347900%\u3001MySQL\u8fdb\u7a0b\u98d9\u5347900%\u4e24\u79cd\u573a\u666f\uff0c\u5176\u5b9e\uff0c\u8fd9\u4e24\u4e2a\u573a\u666f\u5c31\u8db3\u591f\u8bb2\u534a\u5929\u4e86\uff0c \u5176\u4ed6\u7684\uff0c\u4f7f\u7528\u89c4\u907f\u6280\u5de7\u89c4\u907f\u4e00\u4e0b\u5c31\u884c\u3002<\/p>\n\n\n\n<p><strong>\u573a\u666f\u4e00\uff1aMySQL\u8fdb\u7a0bCPU\u98d9\u5347\u5230900%\uff0c\u600e\u4e48\u5904\u7406\uff1f<\/strong><strong><br><\/strong>\u5b9a\u4f4d\u8fc7\u7a0b\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u4f7f\u7528top \u547d\u4ee4\u89c2\u5bdf\uff0c\u786e\u5b9a\u662fmysqld\u5bfc\u81f4\u8fd8\u662f\u5176\u4ed6\u539f\u56e0\u3002<\/li>\n\n\n\n<li>\u5982\u679c\u662fmysqld\u5bfc\u81f4\u7684\uff0cshow processlist\uff0c\u67e5\u770bsession\u60c5\u51b5\uff0c\u786e\u5b9a\u662f\u4e0d\u662f\u6709\u6d88\u8017\u8d44\u6e90\u7684sql\u5728\u8fd0\u884c\u3002<\/li>\n\n\n\n<li>\u627e\u51fa\u6d88\u8017\u9ad8\u7684 sql\uff0c\u770b\u770b\u6267\u884c\u8ba1\u5212\u662f\u5426\u51c6\u786e\uff0c index \u662f\u5426\u7f3a\u5931\uff0c\u6216\u8005\u5b9e\u5728\u662f\u6570\u636e\u91cf\u592a\u5927\u9020\u6210\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u5904\u7406\u8fc7\u7a0b\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>kill \u6389\u8fd9\u4e9b\u7ebf\u7a0b(\u540c\u65f6\u89c2\u5bdf cpu \u4f7f\u7528\u7387\u662f\u5426\u4e0b\u964d)\uff0c \u4e00\u822c\u6765\u8bf4\uff0c\u80af\u5b9a\u8981 kill \u6389\u8fd9\u4e9b\u7ebf\u7a0b(\u540c\u65f6\u89c2\u5bdf cpu \u4f7f\u7528\u7387\u662f\u5426\u4e0b\u964d)\uff0c\u7b49\u8fdb\u884c\u76f8\u5e94\u7684\u8c03\u6574(\u6bd4\u5982\u8bf4\u52a0\u7d22\u5f15\u3001\u6539 sql\u3001\u6539\u5185\u5b58\u53c2\u6570)\u4e4b\u540e\uff0c\u518d\u91cd\u65b0\u8dd1\u8fd9\u4e9b SQL\u3002<\/li>\n\n\n\n<li>\u8fdb\u884c\u76f8\u5e94\u7684\u8c03\u6574(\u6bd4\u5982\u8bf4\u52a0\u7d22\u5f15\u3001\u6539 sql\u3001\u6539\u5185\u5b58\u53c2\u6570)<br>index \u662f\u5426\u7f3a\u5931\uff0c\u5982\u679c\u662f\uff0c\u5219\u00a0 \u5efa\u7acb\u7d22\u5f15\u3002\u4e5f\u6709\u53ef\u80fd\u662f\u6bcf\u4e2a sql \u6d88\u8017\u8d44\u6e90\u5e76\u4e0d\u591a\uff0c\u4f46\u662f\u7a81\u7136\u4e4b\u95f4\uff0c\u6709\u5927\u91cf\u7684 session \u8fde\u8fdb\u6765\u5bfc\u81f4 cpu \u98d9\u5347\uff0c\u8fd9\u79cd\u60c5\u51b5\u5c31\u9700\u8981\u8ddf\u5e94\u7528\u4e00\u8d77\u6765\u5206\u6790\u4e3a\u4f55\u8fde\u63a5\u6570\u4f1a\u6fc0\u589e\uff0c\u518d\u505a\u51fa\u76f8\u5e94\u7684\u8c03\u6574\uff0c\u6bd4\u5982\u8bf4\u9650\u5236\u8fde\u63a5\u6570\u7b49\uff1b<\/li>\n\n\n\n<li>\u4f18\u5316\u7684\u8fc7\u7a0b\uff0c\u5f80\u5f80\u4e0d\u662f\u4e00\u6b65\u5b8c\u6210\u7684\uff0c\u800c\u662f\u4e00\u6b65\u4e00\u6b65\uff0c\u6267\u884c\u4e00\u9879\u4f18\u5316\u63aa\u8f9e\uff0c\u518d\u89c2\u5bdf\uff0c\u518d\u4f18\u5316\u3002<br><\/li>\n<\/ul>\n\n\n\n<p><strong>\u573a\u666f1\u7684\u771f\u5b9e\u6848\u4f8b\uff1aMySQL\u6570\u636e\u5e93\u4f18\u5316\u7684\u771f\u5b9e\u6848\u4f8b<\/strong><strong><br><\/strong>\u9648\u67d0\u63d0\u793a\uff1a\u4ee5\u4e0b\u6848\u4f8b\uff0c\u6765\u81ea\u4e92\u8054\u7f51\u3002\u5927\u5bb6\u53c2\u8003\u4e00\u4e0b\uff0c\u51c6\u5907\u4e00\u4e2a\u81ea\u5df1\u7684\u6848\u4f8b\u3002\u672c\u95ee\u9898\u4eb2\u8eab\u7ecf\u5386\u8fc7\u3002\u4e4b\u524d\u5f00\u53d1\u540c\u4e8b\u7f16\u5199\u7684SQL\u8bed\u53e5\uff0c\u5c31\u5bfc\u81f4\u8fc7\u7ebf\u4e0aCPU\u8fc7\u9ad8\uff0cMySQL\u7684CPU\u4f7f\u7528\u7387\u8fbe\u5230900%+\uff0c\u901a\u8fc7\u4f18\u5316\u6700\u540e\u964d\u4f4e\u523070%~80%\u3002\u4e0b\u9762\u8bf4\u8bf4\u4e2a\u4eba\u5728\u8fd9\u4e2a\u8fc7\u7a0b\u4e2d\u7684\u6392\u67e5\u601d\u8def\u3002\u9996\u5148\uff0c\u6211\u4eec\u8981\u5bf9\u95ee\u9898\u5b9a\u4f4d\u800c\u4e0d\u662f\u76f2\u76ee\u7684\u5f00\u542f\u4ec0\u4e48 \u6162\u65e5\u5fd7\uff0c\u5728\u5e76\u53d1\u91cf\u5927\u5e76\u4e14\u5927\u91cfSQL\u6027\u80fd\u4f4e\u7684\u60c5\u51b5\u4e0b\uff0c\u5f00\u542f\u6162\u65e5\u5fd7\u65e0\u610f\u662f\u5c06MySQL\u63a8\u5411\u5d29\u6e83\u7684\u8fb9\u7f18\u3002\u5f53\u65f6\u9047\u5230\u8fd9\u4e2a\u60c5\u51b5\uff0c\u5206\u6790\u4e86\u5f53\u524d\u7684\u6570\u636e\u91cf\u3001\u7d22\u5f15\u60c5\u51b5\u3001\u7f13\u5b58\u4f7f\u7528\u60c5\u51b5\u3002\u76ee\u6d4b\u6570\u636e\u91cf\u4e0d\u5927\uff0c\u4e5f\u5c31\u51e0\u767e\u4e07\u6761\u800c\u5df2\u3002\u63a5\u4e0b\u6765\u5c31\u53bb\u5b9a\u4f4d\u7d22\u5f15\u3001\u7f13\u5b58\u95ee\u9898\u3002\u7ecf\u8fc7\u8be2\u95ee\uff0c\u53d1\u73b0\u5f88\u591a\u67e5\u8be2\u90fd\u662f\u8d70MySQL\uff0c\u6ca1\u6709\u7528\u5230\u7f13\u5b58\u3002\u65e2\u7136\u6ca1\u6709\u7528\u5230\u7f13\u5b58\uff0c\u5219\u662f\u5927\u91cf\u8bf7\u6c42\u5168\u90e8\u67e5\u8be2MySQL\u5bfc\u81f4\u3002\u901a\u8fc7\u4e0b\u9762\u7684\u547d\u4ee4\u67e5\u770b:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>show processlist;<\/code><\/pre>\n\n\n\n<p>\u53d1\u73b0\u7c7b\u4f3c\u5f88\u591a\u76f8\u540c\u7684SQL\u8bed\u53e5\uff0c\u4e00\u76f4\u5904\u4e8equery\u72b6\u6001\u4e2d\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>select id form user where user_code = 'xxxxx';<\/code><\/pre>\n\n\n\n<p>\u521d\u6b65\u5206\u6790\u53ef\u80fd\u662f user_code \u5b57\u6bb5\u6ca1\u6709\u7d22\u5f15\u5bfc\u81f4\u3002\u63a5\u7740\u67e5\u8be2user\u8868\u7684\u7d22\u5f15\u60c5\u51b5\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>show index form user;<\/code><\/pre>\n\n\n\n<p>\u53d1\u73b0\u8fd9\u4e2a\u5b57\u6bb5\u662f\u6ca1\u6709\u5efa\u7acb\u7d22\u5f15\u3002\u589e\u52a0\u7d22\u5f15\u4e4b\u540e\uff0c\u8be5\u6761SQL\u67e5\u8be2\u80fd\u591f\u6b63\u5e38\u6267\u884c\u30023\u3001\u6ca1\u9694\u4e00\u4f1a\uff0c\u53c8\u53d1\u751f\u5927\u91cf\u7684\u8bf7\u6c42\u8d85\u65f6\u95ee\u9898\u3002\u63a5\u7740\u8fdb\u884c\u5206\u6790\uff0c\u53d1\u73b0\u662f\u5f00\u542f\u4e86 \u6162\u65e5\u5fd7\u67e5\u8be2\u3002\u5927\u91cf\u7684SQL\u67e5\u8be2\u8bed\u53e5\u8d85\u8fc7\u6162\u65e5\u5fd7\u8bbe\u7f6e\u7684\u9600\u503c\uff0c\u4e8e\u662f\u5c06\u6162\u65e5\u5fd7\u5173\u95ed\u4e4b\u540e\uff0c\u901f\u5ea6\u77ac\u95f4\u63d0\u5347\u3002CPU\u7684\u4f7f\u7528\u7387\u57fa\u672c\u4fdd\u6301\u5728300%\u5de6\u53f3\u3002\u4f46\u8fd8\u4e0d\u662f\u7406\u60f3\u72b6\u6001\u30024\u3001\u7d27\u63a5\u7740\u5c06\u90e8\u5206\u5b9e\u65f6\u67e5\u8be2\u6570\u636e\u7684SQL\u8bed\u53e5\uff0c\u90fd\u901a\u8fc7\u7f13\u5b58(redis)\u8bfb\u5199\u5b9e\u73b0\u3002\u89c2\u5bdf\u4e00\u6bb5\u65f6\u95f4\u540e\uff0c\u57fa\u672c\u7ef4\u6301\u5728\u4e8670%~80%\u3002\u603b\u7ed3\uff1a\u5176\u5b9e\u672c\u6b21\u4e8b\u6545\u7684\u89e3\u51b3\u5f88\u7b80\u5355\uff0c\u5c31\u662f\u6dfb\u52a0\u7d22\u5f15\u4e0e\u7f13\u5b58\u7ed3\u5408\u4f7f\u7528\u30021.\u4e0d\u63a8\u8350\u5728\u8fd9\u79cdCPU\u4f7f\u7528\u8fc7\u9ad8\u7684\u60c5\u51b5\u4e0b\u8fdb\u884c\u6162\u65e5\u5fd7\u7684\u5f00\u542f\u3002\u56e0\u4e3a\u5927\u91cf\u7684\u8bf7\u6c42\uff0c\u5982\u679c\u771f\u662f\u6162\u65e5\u5fd7\u95ee\u9898\u4f1a\u53d1\u751f\u65e5\u5fd7\u78c1\u76d8\u5199\u5165\uff0c\u6027\u80fd\u8d3c\u4f4e\u30022.\u76f4\u63a5\u901a\u8fc7MySQL show processlist\u547d\u4ee4\u67e5\u770b\uff0c\u57fa\u672c\u80fd\u6e05\u6670\u7684\u5b9a\u4f4d\u51fa\u90e8\u5206\u67e5\u8be2\u95ee\u9898\u4e25\u91cd\u7684SQL\u8bed\u53e5\uff0c\u5728\u9488\u5bf9\u8be5SQL\u8bed\u53e5\u8fdb\u884c\u5206\u6790\u3002\u4e00\u822c\u53ef\u80fd\u5c31\u662f\u7d22\u5f15\u3001\u9501\u3001\u67e5\u8be2\u5927\u91cf\u5b57\u6bb5\u3001\u5927\u8868\u7b49\u95ee\u9898\u5bfc\u81f4\u30023.\u518d\u5219\u4e00\u5b9a\u8981\u4f7f\u7528\u7f13\u5b58\u7cfb\u7edf\uff0c\u964d\u4f4e\u5bf9MySQL\u7684\u67e5\u8be2\u9891\u6b21\u30024.\u5bf9\u4e8e\u5185\u5b58\u8c03\u4f18\uff0c\u4e5f\u662f\u4e00\u79cd\u89e3\u51b3\u65b9\u6848\u3002<\/p>\n\n\n\n<p><strong>\u573a\u666f2\u5c55\u5f00\uff1aJava\u8fdb\u7a0bCPU\u98d9\u5347\u5230900%\uff0c\u600e\u4e48\u5904\u7406\uff1f<\/strong><strong><br><\/strong>\u5b9a\u4f4d\u8fc7\u7a0b\uff1aCPU\u98d9\u5347\u95ee\u9898\u5b9a\u4f4d\u7684\u4e00\u822c\u6b65\u9aa4\u662f\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u9996\u5148\u901a\u8fc7top\u6307\u4ee4\u67e5\u770b\u5f53\u524d\u5360\u7528CPU\u8f83\u9ad8\u7684\u8fdb\u7a0bPID\uff1b<\/li>\n\n\n\n<li>\u67e5\u770b\u5f53\u524d\u8fdb\u7a0b\u6d88\u8017\u8d44\u6e90\u7684\u7ebf\u7a0bPID\uff1atop -Hp PID<\/li>\n\n\n\n<li>\u901a\u8fc7print\u547d\u4ee4\u5c06\u7ebf\u7a0bPID\u8f6c\u4e3a16\u8fdb\u5236\uff0c\u6839\u636e\u8be516\u8fdb\u5236\u503c\u53bb\u6253\u5370\u7684\u5806\u6808\u65e5\u5fd7\u5185\u67e5\u8be2\uff0c\u67e5\u770b\u8be5\u7ebf\u7a0b\u6240\u9a7b\u7559\u7684\u65b9\u6cd5\u4f4d\u7f6e\u3002<\/li>\n\n\n\n<li>\u901a\u8fc7jstack\u547d\u4ee4\uff0c\u67e5\u770b\u6808\u4fe1\u606f\uff0c\u5b9a\u4f4d\u5230\u7ebf\u7a0b\u5bf9\u5e94\u7684\u5177\u4f53\u4ee3\u7801\u3002<\/li>\n\n\n\n<li>\u5206\u6790\u4ee3\u7801\u89e3\u51b3\u95ee\u9898\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u5904\u7406\u8fc7\u7a0b\uff1a1.\u5982\u679c\u662f\u7a7a\u5faa\u73af\uff0c\u6216\u8005\u7a7a\u81ea\u65cb\u3002\u5904\u7406\u65b9\u5f0f\uff1a\u53ef\u4ee5\u4f7f\u7528Thread.sleep\u6216\u8005\u52a0\u9501\uff0c\u8ba9\u7ebf\u7a0b\u9002\u5f53\u7684\u963b\u585e\u30022.\u5728\u5faa\u73af\u7684\u4ee3\u7801\u903b\u8f91\u4e2d\uff0c\u521b\u5efa\u5927\u91cf\u7684\u65b0\u5bf9\u8c61\u5bfc\u81f4\u9891\u7e41GC\u3002\u6bd4\u5982\uff0c\u4ecemysql\u67e5\u51fa\u4e86\u5927\u91cf\u7684\u6570\u636e\uff0c\u6bd4\u5982100W\u4ee5\u4e0a\u7b49\u7b49\u3002\u5904\u7406\u65b9\u5f0f\uff1a\u53ef\u4ee5\u51cf\u5c11\u5bf9\u8c61\u7684\u521b\u5efa\u6570\u91cf\uff0c\u6216\u8005\uff0c\u53ef\u4ee5\u8003\u8651\u4f7f\u7528 \u5bf9\u8c61\u6c60\u30023.\u5176\u4ed6\u7684\u4e00\u4e9b\u9020\u6210CPU\u98d9\u5347\u7684\u573a\u666f\uff0c\u6bd4\u5982&nbsp; selector\u7a7a\u8f6e\u8bad\u5bfc\u81f4CPU\u98d9\u5347 \u3002\u5904\u7406\u65b9\u5f0f\uff1a\u53c2\u8003Netty\u6e90\u7801\uff0c\u65e0\u6548\u7684\u4e8b\u4ef6\u67e5\u8be2\u5230\u4e86\u4e00\u5b9a\u7684\u6b21\u6570\uff0c\u8fdb\u884c selector \u91cd\u5efa\u3002<br><strong>Java\u7684CPU \u98d9\u5347700%\u4f18\u5316\u7684\u771f\u5b9e\u6848\u4f8b<\/strong><strong><br><\/strong>\u9648\u67d0\u63d0\u793a\uff1a\u4ee5\u4e0b\u6848\u4f8b\uff0c\u6765\u81ea\u4e92\u8054\u7f51\u3002\u5927\u5bb6\u53c2\u8003\u4e00\u4e0b\uff0c\u51c6\u5907\u4e00\u4e2a\u81ea\u5df1\u7684\u6848\u4f8b\u3002\u6700\u8fd1\u8d1f\u8d23\u7684\u4e00\u4e2a\u9879\u76ee\u4e0a\u7ebf\uff0c\u8fd0\u884c\u4e00\u6bb5\u65f6\u95f4\u540e\u53d1\u73b0\u5bf9\u5e94\u7684\u8fdb\u7a0b\u7adf\u7136\u5360\u7528\u4e86700%\u7684CPU\uff0c\u5bfc\u81f4\u516c\u53f8\u7684\u7269\u7406\u670d\u52a1\u5668\u90fd\u4e0d\u582a\u91cd\u8d1f\uff0c\u9891\u7e41\u5b95\u673a\u3002\u90a3\u4e48,\u9488\u5bf9\u8fd9\u7c7bjava\u8fdb\u7a0bCPU\u98d9\u5347\u7684\u95ee\u9898\uff0c\u6211\u4eec\u4e00\u822c\u8981\u600e\u4e48\u53bb\u5b9a\u4f4d\u89e3\u51b3\u5462\uff1f<strong>\u91c7\u7528top\u547d\u4ee4\u5b9a\u4f4d\u8fdb\u7a0b<\/strong>\u767b\u5f55\u670d\u52a1\u5668\uff0c\u6267\u884ctop\u547d\u4ee4\uff0c\u67e5\u770bCPU\u5360\u7528\u60c5\u51b5\uff0c\u627e\u5230\u8fdb\u7a0b\u7684pid<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>top<\/code><\/pre>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"297\" data-src=\"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2024\/09\/20240913013307514-1024x297.png\" src=\"https:\/\/s.nmxc.ltd\/sakurairo_vision\/@2.6\/load_svg\/inload.svg\" onerror=\"imgError(this)\" alt=\"\" class=\"wp-image-6510 lazyload\" srcset=\"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2024\/09\/20240913013307514-1024x297.png 1024w, https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2024\/09\/20240913013307514-300x87.png 300w, https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2024\/09\/20240913013307514-768x223.png 768w, https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2024\/09\/20240913013307514.png 1080w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><noscript><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"297\" src=\"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2024\/09\/20240913013307514-1024x297.png\" alt=\"\" class=\"wp-image-6510\" srcset=\"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2024\/09\/20240913013307514-1024x297.png 1024w, https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2024\/09\/20240913013307514-300x87.png 300w, https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2024\/09\/20240913013307514-768x223.png 768w, https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2024\/09\/20240913013307514.png 1080w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/noscript><\/figure>\n\n\n\n<p>\u5f88\u5bb9\u6613\u53d1\u73b0\uff0cPID\u4e3a29706\u7684java\u8fdb\u7a0b\u7684CPU\u98d9\u5347\u5230700%\u591a\uff0c\u4e14\u4e00\u76f4\u964d\u4e0d\u4e0b\u6765\uff0c\u5f88\u663e\u7136\u51fa\u73b0\u4e86\u95ee\u9898\u3002<strong>\u4f7f\u7528top -Hp\u547d\u4ee4\u5b9a\u4f4d\u7ebf\u7a0b<\/strong>\u4f7f\u7528 top -Hp\u547d\u4ee4\uff08\u4e3aJava\u8fdb\u7a0b\u7684id\u53f7\uff09\u67e5\u770b\u8be5Java\u8fdb\u7a0b\u5185\u6240\u6709\u7ebf\u7a0b\u7684\u8d44\u6e90\u5360\u7528\u60c5\u51b5\uff08\u6309shft+p\u6309\u7167cpu\u5360\u7528\u8fdb\u884c\u6392\u5e8f\uff0c\u6309shift+m\u6309\u7167\u5185\u5b58\u5360\u7528\u8fdb\u884c\u6392\u5e8f\uff09\u6b64\u5904\u6309\u7167cpu\u6392\u5e8f\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>top -Hp 23602<\/code><\/pre>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"271\" data-src=\"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2024\/09\/20240913013331936-1024x271.png\" src=\"https:\/\/s.nmxc.ltd\/sakurairo_vision\/@2.6\/load_svg\/inload.svg\" onerror=\"imgError(this)\" alt=\"\" class=\"wp-image-6511 lazyload\" srcset=\"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2024\/09\/20240913013331936-1024x271.png 1024w, https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2024\/09\/20240913013331936-300x79.png 300w, https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2024\/09\/20240913013331936-768x203.png 768w, https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2024\/09\/20240913013331936.png 1080w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><noscript><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"271\" src=\"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2024\/09\/20240913013331936-1024x271.png\" alt=\"\" class=\"wp-image-6511\" srcset=\"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2024\/09\/20240913013331936-1024x271.png 1024w, https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2024\/09\/20240913013331936-300x79.png 300w, https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2024\/09\/20240913013331936-768x203.png 768w, https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2024\/09\/20240913013331936.png 1080w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/noscript><\/figure>\n\n\n\n<p>\u5f88\u5bb9\u6613\u53d1\u73b0\uff0c\u591a\u4e2a\u7ebf\u7a0b\u7684CPU\u5360\u7528\u8fbe\u5230\u4e8690%\u591a\u3002\u6211\u4eec\u6311\u9009\u7ebf\u7a0b\u53f7\u4e3a30309\u7684\u7ebf\u7a0b\u7ee7\u7eed\u5206\u6790\u3002<strong>\u4f7f\u7528jstack\u547d\u4ee4\u5b9a\u4f4d\u4ee3\u7801<\/strong>1.\u7ebf\u7a0b\u53f7\u8f6c\u63625\u4e3a16\u8fdb\u5236printf \u201c%x\\n\u201d \u547d\u4ee4\uff08tid\u6307\u7ebf\u7a0b\u7684id\u53f7\uff09\u5c06\u4ee5\u4e0a10\u8fdb\u5236\u7684\u7ebf\u7a0b\u53f7\u8f6c\u6362\u4e3a16\u8fdb\u5236\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>printf \"%x\\n\"  30309<\/code><\/pre>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"101\" data-src=\"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2024\/09\/20240913013352337-1024x101.png\" src=\"https:\/\/s.nmxc.ltd\/sakurairo_vision\/@2.6\/load_svg\/inload.svg\" onerror=\"imgError(this)\" alt=\"\" class=\"wp-image-6512 lazyload\" srcset=\"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2024\/09\/20240913013352337-1024x101.png 1024w, https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2024\/09\/20240913013352337-300x30.png 300w, https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2024\/09\/20240913013352337-768x76.png 768w, https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2024\/09\/20240913013352337.png 1080w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><noscript><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"101\" src=\"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2024\/09\/20240913013352337-1024x101.png\" alt=\"\" class=\"wp-image-6512\" srcset=\"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2024\/09\/20240913013352337-1024x101.png 1024w, https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2024\/09\/20240913013352337-300x30.png 300w, https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2024\/09\/20240913013352337-768x76.png 768w, https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2024\/09\/20240913013352337.png 1080w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/noscript><\/figure>\n\n\n\n<p>\u8f6c\u6362\u540e\u7684\u7ed3\u679c\u5206\u522b\u4e3a7665\uff0c\u7531\u4e8e\u5bfc\u51fa\u7684\u7ebf\u7a0b\u5feb\u7167\u4e2d\u7ebf\u7a0b\u7684nid\u662f16\u8fdb\u5236\u7684\uff0c\u800c16\u8fdb\u5236\u4ee50x\u5f00\u5934\uff0c\u6240\u4ee5\u5bf9\u5e94\u768416\u8fdb\u5236\u7684\u7ebf\u7a0b\u53f7nid\u4e3a0x7665<br>2.\u91c7\u7528jstack\u547d\u4ee4\u5bfc\u51fa\u7ebf\u7a0b\u5feb\u7167\u901a\u8fc7\u4f7f\u7528dk\u81ea\u5e26\u547d\u4ee4jstack\u83b7\u53d6\u8be5java\u8fdb\u7a0b\u7684\u7ebf\u7a0b\u5feb\u7167\u5e76\u8f93\u5165\u5230\u6587\u4ef6\u4e2d\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>jstack -l \u8fdb\u7a0bID &gt; .\/jstack_result.txt<\/code><\/pre>\n\n\n\n<p>\u547d\u4ee4\uff08\u4e3aJava\u8fdb\u7a0b\u7684id\u53f7\uff09\u6765\u83b7\u53d6\u7ebf\u7a0b\u5feb\u7167\u7ed3\u679c\u5e76\u8f93\u5165\u5230\u6307\u5b9a\u6587\u4ef6\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>jstack -l 29706 &gt; .\/jstack_result.txt<\/code><\/pre>\n\n\n\n<p>3.\u6839\u636e\u7ebf\u7a0b\u53f7\u5b9a\u4f4d\u5177\u4f53\u4ee3\u7801\u5728jstack_result.txt \u6587\u4ef6\u4e2d\u6839\u636e\u7ebf\u7a0b\u597dnid\u641c\u7d22\u5bf9\u5e94\u7684\u7ebf\u7a0b\u63cf\u8ff0<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>cat jstack_result.txt |grep -A 100  7665<\/code><\/pre>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"192\" data-src=\"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2024\/09\/20240913013425352-1024x192.png\" src=\"https:\/\/s.nmxc.ltd\/sakurairo_vision\/@2.6\/load_svg\/inload.svg\" onerror=\"imgError(this)\" alt=\"\" class=\"wp-image-6513 lazyload\" srcset=\"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2024\/09\/20240913013425352-1024x192.png 1024w, https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2024\/09\/20240913013425352-300x56.png 300w, https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2024\/09\/20240913013425352-768x144.png 768w, https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2024\/09\/20240913013425352.png 1080w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><noscript><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"192\" src=\"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2024\/09\/20240913013425352-1024x192.png\" alt=\"\" class=\"wp-image-6513\" srcset=\"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2024\/09\/20240913013425352-1024x192.png 1024w, https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2024\/09\/20240913013425352-300x56.png 300w, https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2024\/09\/20240913013425352-768x144.png 768w, https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2024\/09\/20240913013425352.png 1080w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/noscript><\/figure>\n\n\n\n<p>\u6839\u636e\u641c\u7d22\u7ed3\u679c\uff0c\u5224\u65ad\u5e94\u8be5\u662fImageConverter.run()\u65b9\u6cd5\u4e2d\u7684\u4ee3\u7801\u51fa\u73b0\u95ee\u9898\u5f53\u7136\uff0c\u8fd9\u91cc\u4e5f\u53ef\u4ee5\u76f4\u63a5\u91c7\u7528<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>jstack &lt;pid&gt; |grep -A 200 &lt;nid&gt;<\/code><\/pre>\n\n\n\n<p>\u6765\u5b9a\u4f4d\u5177\u4f53\u4ee3\u7801<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\"><code>$jstack 44529 |grep -A 200 ae24<\/code><code>\"System Clock\" #28 daemon prio=5 os_prio=0 tid=0x00007efc19e8e800 nid=0xae24 waiting on condition [0x00007efbe0d91000]<\/code><code>   java.lang.Thread.State: TIMED_WAITING (sleeping)<\/code><code>    at java.lang.Thread.sleep(Native Method)<\/code><code>    at java.lang.Thread.sleep(Thread.java:340)<\/code><code>    at java.util.concurrentC.TimeUnit.sleep(TimeUnit.java:386)<\/code><code>    at com.*.order.Controller.OrderController.detail(OrderController.java:37)  \/\/\u4e1a\u52a1\u4ee3\u7801\u963b\u585e\u70b9<\/code><\/pre>\n\n\n\n<p><strong>\u5206\u6790\u4ee3\u7801\u89e3\u51b3\u95ee\u9898<\/strong>\u4e0b\u9762\u662fImageConverter.run()\u65b9\u6cd5\u4e2d\u7684\u90e8\u5206\u6838\u5fc3\u4ee3\u7801\u3002\u903b\u8f91\u8bf4\u660e\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\"><code>\/\u5b58\u50a8minicap\u7684socket\u8fde\u63a5\u8fd4\u56de\u7684\u6570\u636e   (\u6539\u7528\u6d88\u606f\u961f\u5217\u5b58\u50a8\u8bfb\u5230\u7684\u6d41\u6570\u636e) \uff0c\u8bbe\u7f6e\u963b\u585e\u961f\u5217\u957f\u5ea6\uff0c\u9632\u6b62\u51fa\u73b0\u5185\u5b58\u6ea2\u51fa<\/code><code>\/\/\u5168\u5c40\u53d8\u91cf<\/code><code>private BlockingQueue&lt;byte[]&gt; dataQueue = new LinkedBlockingQueue&lt;byte[]&gt;(100000);<\/code><code>\/\/\u6d88\u8d39\u7ebf\u7a0b<\/code><code>@Override<\/code><code>public void run() {<\/code><code>\/\/long start = System.currentTimeMillis();<\/code><code>while (isRunning) {<\/code><code>\/\/\u5206\u6790\u8fd9\u91cc\u4eceLinkedBlockingQueue<\/code><code>if (dataQueue.isEmpty()) {<\/code><code>continue;<\/code><code>        }<\/code><code>byte[] buffer = device.getMinicap().dataQueue.poll();<\/code><code>int len = buffer.length;<\/code><code>}<\/code><\/pre>\n\n\n\n<p>\u5728while\u5faa\u73af\u4e2d\uff0c\u4e0d\u65ad\u8bfb\u53d6\u5835\u585e\u961f\u5217dataQueue\u4e2d\u7684\u6570\u636e\uff0c\u5982\u679c\u6570\u636e\u4e3a\u7a7a\uff0c\u5219\u6267\u884ccontinue\u8fdb\u884c\u4e0b\u4e00\u6b21\u5faa\u73af\u3002\u5982\u679c\u4e0d\u4e3a\u7a7a\uff0c\u5219\u901a\u8fc7poll()\u65b9\u6cd5\u8bfb\u53d6\u6570\u636e\uff0c\u505a\u76f8\u5173\u903b\u8f91\u5904\u7406\u3002\u521d\u770b\u8fd9\u6bb5\u4ee3\u7801\u597d\u50cf\u6bcf\u4ec0\u4e48\u95ee\u9898\uff0c\u4f46\u662f\u5982\u679cdataQueue\u5bf9\u8c61\u957f\u671f\u4e3a\u7a7a\u7684\u8bdd\uff0c\u8fd9\u91cc\u5c31\u4f1a\u4e00\u76f4\u7a7a\u5faa\u73af\uff0c\u5bfc\u81f4CPU\u98d9\u5347\u3002\u90a3\u4e48\u5982\u679c\u89e3\u51b3\u5462\uff1f\u5206\u6790LinkedBlockingQueue\u963b\u585e\u961f\u5217\u7684API\u53d1\u73b0\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\"><code>\/\/\u53d6\u51fa\u961f\u5217\u4e2d\u7684\u5934\u90e8\u5143\u7d20\uff0c\u5982\u679c\u961f\u5217\u4e3a\u7a7a\u5219\u8c03\u7528\u6b64\u65b9\u6cd5\u7684\u7ebf\u7a0b\u88ab\u963b\u585e\u7b49\u5f85\uff0c\u76f4\u5230\u6709\u5143\u7d20\u80fd\u88ab\u53d6\u51fa\uff0c\u5982\u679c\u7b49\u5f85\u8fc7\u7a0b\u88ab\u4e2d\u65ad\u5219\u629b\u51faInterruptedException<\/code><code>E take() throws InterruptedException;<\/code><code>\/\/\u53d6\u51fa\u961f\u5217\u4e2d\u7684\u5934\u90e8\u5143\u7d20\uff0c\u5982\u679c\u961f\u5217\u4e3a\u7a7a\u8fd4\u56denull<\/code><code>E poll();<\/code><\/pre>\n\n\n\n<p>\u8fd9\u4e24\u79cd\u53d6\u503c\u7684API\uff0c\u663e\u7136take\u65b9\u6cd5\u66f4\u65f6\u5019\u8fd9\u91cc\u7684\u573a\u666f\u3002\u4ee3\u7801\u4fee\u6539\u4e3a\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>while (isRunning) {\/* if (device.getMinicap().dataQueue.isEmpty()) {        continue;    }*\/byte&#91;] buffer = new byte&#91;0];try {        buffer = device.getMinicap().dataQueue.take();    } catch (InterruptedException e) {        e.printStackTrace();    }\u2026\u2026}\n<\/code><\/pre>\n\n\n\n<p>\u91cd\u542f\u9879\u76ee\u540e\uff0c\u6d4b\u8bd5\u53d1\u73b0\u9879\u76ee\u8fd0\u884c\u7a33\u5b9a\uff0c\u5bf9\u5e94\u9879\u76ee\u8fdb\u7a0b\u7684CPU\u6d88\u8017\u5360\u6bd4\u4e0d\u523010%\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"295\" data-src=\"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2024\/09\/20240913013440750-1024x295.png\" src=\"https:\/\/s.nmxc.ltd\/sakurairo_vision\/@2.6\/load_svg\/inload.svg\" onerror=\"imgError(this)\" alt=\"\" class=\"wp-image-6514 lazyload\" srcset=\"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2024\/09\/20240913013440750-1024x295.png 1024w, https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2024\/09\/20240913013440750-300x86.png 300w, https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2024\/09\/20240913013440750-768x221.png 768w, https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2024\/09\/20240913013440750.png 1080w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><noscript><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"295\" src=\"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2024\/09\/20240913013440750-1024x295.png\" alt=\"\" class=\"wp-image-6514\" srcset=\"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2024\/09\/20240913013440750-1024x295.png 1024w, https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2024\/09\/20240913013440750-300x86.png 300w, https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2024\/09\/20240913013440750-768x221.png 768w, https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2024\/09\/20240913013440750.png 1080w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/noscript><\/figure>\n","raw":"","protected":false},"excerpt":{"rendered":"<p>\u573a\u666f:1\uff1aMySQL\u8fdb\u7a0b\u98d9\u5347900%\u5927\u5bb6\u5728\u4f7f\u7528MySQL\u8fc7\u7a0b\uff0c\u60f3\u5fc5\u90fd\u6709\u9047\u5230\u8fc7CPU\u7a81\u7136\u8fc7\u9ad8\uff0c\u6216\u8005\u8fbe\u5230200%\u4ee5\u4e0a\u7684\u60c5\u51b5\u3002\u6570\u636e\u5e93\u6267\u884c &#8230;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"emotion":"","emotion_color":"","title_style":"","license":"","footnotes":""},"categories":[2,3,5],"tags":[],"class_list":["post-6509","post","type-post","status-publish","format-standard","hentry","category-java","category-mysql","category-nginx"],"post_thumbnail_image":"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2024\/09\/20240913013307514.png","content_first_image":"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2024\/09\/20240913013307514.png","post_medium_image_300":"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2024\/09\/20240913013307514.png","post_thumbnail_image_624":"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2024\/09\/20240913013307514.png","post_frist_image":"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2024\/09\/20240913013307514.png","post_medium_image":"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2024\/09\/20240913013307514.png","post_large_image":"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2024\/09\/20240913013307514.png","post_full_image":"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2024\/09\/20240913013307514.png","post_all_images":[{"imagesurl":"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2024\/09\/20240913013307514-1024x297.png","id":"image0"},{"imagesurl":"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2024\/09\/20240913013307514-1024x297.png","id":"image1"},{"imagesurl":"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2024\/09\/20240913013331936-1024x271.png","id":"image2"},{"imagesurl":"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2024\/09\/20240913013331936-1024x271.png","id":"image3"},{"imagesurl":"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2024\/09\/20240913013352337-1024x101.png","id":"image4"},{"imagesurl":"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2024\/09\/20240913013352337-1024x101.png","id":"image5"},{"imagesurl":"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2024\/09\/20240913013425352-1024x192.png","id":"image6"},{"imagesurl":"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2024\/09\/20240913013425352-1024x192.png","id":"image7"},{"imagesurl":"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2024\/09\/20240913013440750-1024x295.png","id":"image8"},{"imagesurl":"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2024\/09\/20240913013440750-1024x295.png","id":"image9"}],"videoAdId":"","listAd":"0","listAdId":"","listAdEvery":6,"total_comments":0,"category_name":"Java","post_date":"2024-09-13","like_count":"0","praiseWord":"\u9f13\u52b1","copyright_state":"","excitationAd":"0","rewardedVideoAdId":"","detailAdId":"","detailAd":"0","enterpriseMinapp":"0","audios":[],"postImageUrl":"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2023\/05\/20230519082947553.jpg","avatarurls":[],"related_posts":null,"pageviews":1109,"next_post_id":6620,"next_post_title":"\u7528Java\u7ed9\u5e94\u7528\u7684\u56fe\u7247\u7626\u8eab\u4e4bThumbnailator\u6280\u672f","previous_post_id":5932,"previous_post_title":"\u6d45\u8c08\u81ea\u65cb\u9501\u548cJVM\u5bf9\u9501\u7684\u4f18\u5316","_links":{"self":[{"href":"https:\/\/xinchewhd.com.cn\/index.php\/wp-json\/wp\/v2\/posts\/6509","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/xinchewhd.com.cn\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/xinchewhd.com.cn\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/xinchewhd.com.cn\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/xinchewhd.com.cn\/index.php\/wp-json\/wp\/v2\/comments?post=6509"}],"version-history":[{"count":1,"href":"https:\/\/xinchewhd.com.cn\/index.php\/wp-json\/wp\/v2\/posts\/6509\/revisions"}],"predecessor-version":[{"id":6515,"href":"https:\/\/xinchewhd.com.cn\/index.php\/wp-json\/wp\/v2\/posts\/6509\/revisions\/6515"}],"wp:attachment":[{"href":"https:\/\/xinchewhd.com.cn\/index.php\/wp-json\/wp\/v2\/media?parent=6509"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/xinchewhd.com.cn\/index.php\/wp-json\/wp\/v2\/categories?post=6509"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/xinchewhd.com.cn\/index.php\/wp-json\/wp\/v2\/tags?post=6509"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}