{"id":223522,"date":"2024-05-11T19:21:25","date_gmt":"2024-05-11T11:21:25","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/223522.html"},"modified":"2024-05-11T19:21:32","modified_gmt":"2024-05-11T11:21:32","slug":"%e5%a6%82%e4%bd%95%e5%ae%9a%e4%bd%8d%e5%af%bc%e8%87%b4tomcat%e6%ad%bb%e6%9c%ba%e7%9a%84%e4%bb%a3%e7%a0%81%e3%80%81sql","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/223522.html","title":{"rendered":"\u5982\u4f55\u5b9a\u4f4d\u5bfc\u81f4tomcat\u6b7b\u673a\u7684\u4ee3\u7801\u3001SQL"},"content":{"rendered":"<p style=\"text-align:center\"><img decoding=\"async\" src=\"https:\/\/cdn-kb.worktile.com\/kb\/wp-content\/uploads\/2024\/04\/25143115\/5c2434c6-1acf-486b-a7b7-ae2da3477fbb.webp\" alt=\"\u5982\u4f55\u5b9a\u4f4d\u5bfc\u81f4tomcat\u6b7b\u673a\u7684\u4ee3\u7801\u3001SQL\" \/><\/p>\n<p><p><strong>\u5b9a\u4f4d\u5bfc\u81f4Tomcat\u6b7b\u673a\u7684\u4ee3\u7801\u53ef\u4ee5\u901a\u8fc7\u5206\u6790\u7ebf\u7a0b\u5806\u6808\u3001\u589e\u5f3a\u65e5\u5fd7\u8f93\u51fa\u3001\u4f7f\u7528\u6027\u80fd\u5206\u6790\u5de5\u5177\u3001\u5185\u5b58\u6cc4\u6f0f\u68c0\u67e5\u3001\u4ee5\u53ca\u96c6\u6210\u5f00\u53d1\u73af\u5883\uff08IDE\uff09\u7684\u8c03\u8bd5\u529f\u80fd\u6765\u5b8c\u6210\u3002\u9488\u5bf9SQL\u95ee\u9898\uff0c\u53ef\u901a\u8fc7\u6162\u67e5\u8be2\u65e5\u5fd7\u3001\u6570\u636e\u5e93\u6027\u80fd\u5206\u6790\u3001\u6267\u884c\u8ba1\u5212\u5206\u6790\u4ee5\u53caSQL\u5ba1\u8ba1\u7b49\u624b\u6bb5\u8fdb\u884c\u5b9a\u4f4d\u3002<\/strong> \u7279\u522b\u5730\uff0c\u5728\u9762\u5bf9Java Web\u5e94\u7528\uff0c\u5206\u6790\u7ebf\u7a0b\u5806\u6808\u662f\u6838\u5fc3\u624b\u6bb5\u4e4b\u4e00\uff0c\u901a\u8fc7\u7ebf\u7a0b\u5806\u6808\uff0c\u6211\u4eec\u53ef\u4ee5\u76f4\u89c2\u5730\u770b\u5230\u54ea\u4e9b\u7ebf\u7a0b\u51fa\u73b0\u4e86\u5361\u987f\u6216\u6b7b\u5faa\u73af\uff0c\u8fdb\u800c\u5b9a\u4f4d\u5230\u76f8\u5e94\u7684\u4ee3\u7801\u4f4d\u7f6e\u3002<\/p>\n<\/p>\n<p><h3>\u4e00\u3001\u7ebf\u7a0b\u5806\u6808\u5206\u6790<\/h3>\n<\/p>\n<p><p>\u7ebf\u7a0b\u5806\u6808\u5206\u6790\u662f\u5b9a\u4f4dTomcat\u6b7b\u673a\u95ee\u9898\u7684\u975e\u5e38\u6709\u6548\u7684\u624b\u6bb5\u3002\u5f53Tomcat\u51fa\u73b0\u54cd\u5e94\u7f13\u6162\u6216\u6b7b\u673a\u65f6\uff0c\u53ef\u4ee5\u5bfc\u51fa\u5f53\u524dJVM\u7684\u7ebf\u7a0b\u5806\u6808\u4fe1\u606f\u3002\u8fd9\u53ef\u4ee5\u901a\u8fc7<code>jstack<\/code>\u5de5\u5177\u5b9e\u73b0\uff0c\u5b83\u80fd\u591f\u663e\u793a\u6240\u6709\u7ebf\u7a0b\u7684\u8c03\u7528\u5806\u6808\u3002<strong>\u5bf9\u4e8e\u6b7b\u5faa\u73af\u6216\u8005\u957f\u65f6\u95f4\u7b49\u5f85\u7684\u7ebf\u7a0b\uff0c\u4f1a\u5728\u5806\u6808\u4e2d\u8868\u73b0\u4e3a\u91cd\u590d\u7684\u65b9\u6cd5\u8c03\u7528\u6216\u8005\u957f\u65f6\u95f4\u505c\u7559\u5728\u76f8\u540c\u7684\u65b9\u6cd5\u8c03\u7528\u3002<\/strong><\/p>\n<\/p>\n<ul>\n<li>\u9996\u5148\uff0c\u4f7f\u7528\u547d\u4ee4\u884c\u5de5\u5177\u786e\u5b9aTomcat\u8fdb\u7a0b\u7684PID\u3002<\/li>\n<li>\u7136\u540e\uff0c\u901a\u8fc7<code>jstack &lt;PID&gt;<\/code>\u5bfc\u51fa\u7ebf\u7a0b\u5806\u6808\u5230\u6587\u4ef6\u3002<\/li>\n<li>\u6700\u540e\uff0c\u5206\u6790\u5bfc\u51fa\u7684\u5806\u6808\u4fe1\u606f\uff0c\u5bfb\u627eBLOCKED\u6216\u8005W<a href=\"https:\/\/docs.pingcode.com\/blog\/59162.html\" target=\"_blank\">AI<\/a>TING\u72b6\u6001\u7684\u7ebf\u7a0b\uff0c\u8fd9\u4e9b\u7ebf\u7a0b\u53ef\u80fd\u662f\u6b7b\u673a\u7684\u7f6a\u9b41\u7978\u9996\u3002<\/li>\n<\/ul>\n<p><h3>\u4e8c\u3001\u589e\u5f3a\u65e5\u5fd7\u8f93\u51fa<\/h3>\n<\/p>\n<p><p>\u589e\u5f3a\u5e94\u7528\u548cTomcat\u7684\u65e5\u5fd7\u8bb0\u5f55\u662f\u8ffd\u8e2a\u95ee\u9898\u7684\u5173\u952e\u6b65\u9aa4\u3002\u901a\u8fc7\u914d\u7f6eTomcat\u548c\u5e94\u7528\u7684\u65e5\u5fd7\u7ea7\u522b\u4e3aDEBUG\u6216TRACE\uff0c\u53ef\u4ee5\u6536\u96c6\u5230\u66f4\u8be6\u7ec6\u7684\u8fd0\u884c\u65f6\u4fe1\u606f\u3002<\/p>\n<\/p>\n<ul>\n<li>\u5728<code>conf\/logging.properties<\/code>\u6587\u4ef6\u4e2d\u914d\u7f6eTomcat\u7684\u5185\u5efa\u65e5\u5fd7\u7ea7\u522b\uff0c\u63d0\u9ad8\u8bb0\u5f55\u7684\u7ec6\u8282\u3002<\/li>\n<li>\u5728\u5e94\u7528\u4e2d\u589e\u52a0\u65e5\u5fd7\u8f93\u51fa\u70b9\uff0c\u8bb0\u5f55\u5173\u952e\u6d41\u7a0b\u7684\u8fdb\u5165\u548c\u9000\u51fa\uff0c\u4ee5\u53ca\u53d8\u91cf\u7684\u5173\u952e\u72b6\u6001\u3002<\/li>\n<\/ul>\n<p><p>\u8fd9\u6837\u505a\u53ef\u4ee5\u5e2e\u52a9\u6211\u4eec\u8ffd\u8e2a\u5230\u95ee\u9898\u53d1\u751f\u7684\u4e0a\u4e0b\u6587\u73af\u5883\uff0c\u4ece\u800c\u7f29\u5c0f\u95ee\u9898\u4ee3\u7801\u7684\u8303\u56f4\u3002<\/p>\n<\/p>\n<p><h3>\u4e09\u3001\u6027\u80fd\u5206\u6790\u5de5\u5177<\/h3>\n<\/p>\n<p><p>\u4f7f\u7528\u6027\u80fd\u5206\u6790\u5de5\u5177\u5982JProfiler\u3001YourKit\u7b49\u6765\u76d1\u63a7Tomcat\u8fd0\u884c\u65f6\u7684\u6027\u80fd\u6307\u6807\u3002\u8fd9\u4e9b\u5de5\u5177\u80fd\u591f\u5b9e\u65f6\u76d1\u63a7CPU\u3001\u5185\u5b58\u4f7f\u7528\u60c5\u51b5\uff0c\u4ee5\u53ca\u7ebf\u7a0b\u7684\u6d3b\u52a8\u72b6\u6001\u3002\u901a\u8fc7\u8bb0\u5f55\u548c\u5206\u6790\u6027\u80fd\u74f6\u9888\u51fa\u73b0\u7684\u65f6\u523b\u4ee5\u53ca\u4e0e\u4e4b\u5bf9\u5e94\u7684\u4ee3\u7801\u6267\u884c\u8def\u5f84\uff0c\u53ef\u4ee5\u5bf9\u75c7\u4e0b\u836f\u5730\u627e\u5230\u5bfc\u81f4\u6b7b\u673a\u7684\u4ee3\u7801\u3002<\/p>\n<\/p>\n<p><h3>\u56db\u3001\u5185\u5b58\u6cc4\u6f0f\u68c0\u67e5<\/h3>\n<\/p>\n<p><p>\u5185\u5b58\u6cc4\u6f0f\u662f\u5bfc\u81f4Tomcat\u6b7b\u673a\u7684\u5e38\u89c1\u539f\u56e0\u4e4b\u4e00\u3002\u53ef\u4ee5\u5229\u7528JVM\u5185\u5efa\u7684\u5de5\u5177\u8fdb\u884c\u5185\u5b58\u6cc4\u6f0f\u7684\u5206\u6790\uff0c\u4f8b\u5982\u4f7f\u7528<code>jmap<\/code>\u751f\u6210\u5806\u8f6c\u50a8\uff08heap dump\uff09\uff0c\u7136\u540e\u4f7f\u7528<code>MAT<\/code>\uff08Memory Analyzer Tool\uff09\u4e4b\u7c7b\u7684\u5de5\u5177\u6765\u5206\u6790\u3002<\/p>\n<\/p>\n<ul>\n<li>\u9996\u5148\uff0c\u5f53Tomcat\u8868\u73b0\u51fa\u6027\u80fd\u4e0b\u964d\u65f6\uff0c\u901a\u8fc7<code>jmap<\/code>\u6765\u5bfc\u51fa\u5f53\u524d\u5806\u5185\u5b58\u60c5\u51b5\u3002<\/li>\n<li>\u4f7f\u7528\u5185\u5b58\u5206\u6790\u5de5\u5177\u6253\u5f00\u5806\u8f6c\u50a8\u6587\u4ef6\u3002<\/li>\n<li>\u5206\u6790\u54ea\u4e9b\u5bf9\u8c61\u5360\u7528\u4e86\u5927\u91cf\u5185\u5b58\u4e14\u672a\u88ab\u56de\u6536\uff0c\u5b9a\u4f4d\u5176\u5206\u914d\u7684\u4ee3\u7801\u4f4d\u7f6e\u3002<\/li>\n<\/ul>\n<p><h3>\u4e94\u3001\u96c6\u6210\u5f00\u53d1\u73af\u5883\uff08IDE\uff09\u8c03\u8bd5<\/h3>\n<\/p>\n<p><p>\u5728\u5f00\u53d1\u548c\u6d4b\u8bd5\u73af\u5883\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528IDE\u7684\u8fdc\u7a0b\u8c03\u8bd5\u529f\u80fd\u6765\u8fd0\u884cTomcat\uff0c\u8fd9\u6837\u53ef\u4ee5\u5b9e\u65f6\u76d1\u63a7\u5e94\u7528\u7684\u884c\u4e3a\u3002\u7ed3\u5408\u65ad\u70b9\u3001\u67e5\u770b\u53d8\u91cf\u72b6\u6001\u3001\u5355\u6b65\u6267\u884c\u7b49\u529f\u80fd\uff0c\u53ef\u4ee5\u5b9a\u4f4d\u5230\u53ef\u80fd\u5bfc\u81f4\u6b7b\u673a\u7684\u4ee3\u7801\u6216\u903b\u8f91\u3002<\/p>\n<\/p>\n<p><h3>\u516d\u3001\u6162\u67e5\u8be2\u65e5\u5fd7\u5206\u6790<\/h3>\n<\/p>\n<p><p>\u6570\u636e\u5e93\u6162\u67e5\u8be2\u662f\u5bfc\u81f4\u5e94\u7528\u670d\u52a1\u5668\u6b7b\u673a\u7684\u5e38\u89c1\u95ee\u9898\u3002\u53ef\u901a\u8fc7\u914d\u7f6e\u6570\u636e\u5e93\u7684\u6162\u67e5\u8be2\u65e5\u5fd7\u6765\u76d1\u63a7\u6267\u884c\u7f13\u6162\u7684SQL\u8bed\u53e5\u3002<\/p>\n<\/p>\n<ul>\n<li>\u6839\u636e\u6570\u636e\u5e93\u7684\u6587\u6863\u914d\u7f6e\u6162\u67e5\u8be2\u65e5\u5fd7\uff0c\u5e76\u8bbe\u5b9a\u4e00\u4e2a\u5408\u7406\u7684\u65f6\u95f4\u9608\u503c\u3002<\/li>\n<li>\u5206\u6790\u65e5\u5fd7\u627e\u51fa\u8017\u65f6\u8f83\u957f\u7684SQL\u8bed\u53e5\u3002<\/li>\n<li>\u5bf9\u8fd9\u4e9bSQL\u8bed\u53e5\u8fdb\u884c\u7d22\u5f15\u4f18\u5316\u6216\u6539\u5199\u4ee5\u63d0\u5347\u6027\u80fd\u3002<\/li>\n<\/ul>\n<p><h3>\u4e03\u3001\u6570\u636e\u5e93\u6027\u80fd\u5206\u6790<\/h3>\n<\/p>\n<p><p>\u7edd\u5927\u591a\u6570\u73b0\u4ee3\u6570\u636e\u5e93\u90fd\u914d\u5907\u4e86\u6027\u80fd\u5206\u6790\u5de5\u5177\uff0c\u4f8b\u5982MySQL\u7684<code>PERFORMANCE_SCHEMA<\/code>\u6216Oracle\u7684<code>AWR<\/code>\u62a5\u544a\u3002\u8fd9\u4e9b\u5de5\u5177\u80fd\u591f\u63d0\u4f9b\u4e30\u5bcc\u7684\u6027\u80fd\u6570\u636e\u3002<\/p>\n<\/p>\n<ul>\n<li>\u5f00\u542f\u6570\u636e\u5e93\u6027\u80fd\u5206\u6790\u5de5\u5177\uff0c\u6536\u96c6\u6027\u80fd\u6307\u6807\u3002<\/li>\n<li>\u5206\u6790\u6536\u96c6\u5230\u7684\u6570\u636e\uff0c\u627e\u51fa\u6709\u6027\u80fd\u95ee\u9898\u7684SQL\u8bed\u53e5\u3002<\/li>\n<\/ul>\n<p><h3>\u516b\u3001\u6267\u884c\u8ba1\u5212\u5206\u6790<\/h3>\n<\/p>\n<p><p>\u7406\u89e3\u6570\u636e\u5e93\u6267\u884c\u8ba1\u5212\u5bf9\u4e8e\u4f18\u5316SQL\u8bed\u53e5\u81f3\u5173\u91cd\u8981\u3002\u6267\u884c\u8ba1\u5212\u4f1a\u5c55\u793a\u6570\u636e\u5e93\u662f\u5982\u4f55\u6267\u884c\u7279\u5b9a\u7684SQL\u8bed\u53e5\u7684\uff0c\u5305\u62ec\u4f7f\u7528\u4e86\u54ea\u4e9b\u7d22\u5f15\u4ee5\u53ca\u5982\u4f55\u8fdb\u884c\u8868\u8fde\u63a5\u7b49\u3002\u901a\u8fc7\u5206\u6790\u6267\u884c\u8ba1\u5224\u65ad\u5b9a\u662f\u5426\u5b58\u5728\u7d22\u5f15\u7f3a\u5931\u6216\u4e0d\u5408\u7406\u7684\u67e5\u8be2\u903b\u8f91\u3002<\/p>\n<\/p>\n<ul>\n<li>\u4f7f\u7528\u6570\u636e\u5e93\u67e5\u8be2\u5206\u6790\u5668\u6216\u547d\u4ee4\u884c\u5de5\u5177\u83b7\u53d6SQL\u8bed\u53e5\u7684\u6267\u884c\u8ba1\u5212\u3002<\/li>\n<li>\u4f9d\u636e\u6267\u884c\u8ba1\u5212\u6765\u4f18\u5316\u67e5\u8be2\u8bed\u53e5\uff0c\u6dfb\u52a0\u6216\u4fee\u6539\u7d22\u5f15\u4ee5\u63d0\u9ad8\u67e5\u8be2\u6548\u7387\u3002<\/li>\n<\/ul>\n<p><h3>\u4e5d\u3001SQL\u5ba1\u8ba1<\/h3>\n<\/p>\n<p><p>\u6700\u540e\uff0cSQL\u5ba1\u8ba1\u662f\u786e\u4fddSQL\u8bed\u53e5\u8d28\u91cf\u548c\u6027\u80fd\u7684\u4e00\u4e2a\u91cd\u8981\u73af\u8282\u3002\u901a\u8fc7\u5ba1\u8ba1\u53ef\u4ee5\u53d1\u73b0\u4e0d\u5408\u89c4\u8303\u7684SQL\u5199\u6cd5\u3001\u4e0d\u5fc5\u8981\u7684\u590d\u6742\u67e5\u8be2\u4ee5\u53ca\u6f5c\u5728\u7684\u6027\u80fd\u95ee\u9898\u3002<\/p>\n<\/p>\n<ul>\n<li>\u4f7f\u7528\u6570\u636e\u5e93\u81ea\u5e26\u7684SQL\u5ba1\u8ba1\u529f\u80fd\u6216\u7b2c\u4e09\u65b9\u5de5\u5177\u3002<\/li>\n<li>\u5bf9\u6267\u884c\u7684SQL\u8fdb\u884c\u89c4\u8303\u6027\u548c\u6027\u80fd\u5ba1\u8ba1\u3002<\/li>\n<li>\u57fa\u4e8e\u5ba1\u8ba1\u7ed3\u679c\u5bf9SQL\u8fdb\u884c\u4f18\u5316\u3002<\/li>\n<\/ul>\n<p><p>\u901a\u8fc7\u4e0a\u8ff0\u65b9\u6cd5\u7684\u7efc\u5408\u5e94\u7528\uff0c\u53ef\u4ee5\u6709\u6548\u5730\u5b9a\u4f4d\u548c\u89e3\u51b3Tomcat\u6b7b\u673a\u548cSQL\u6267\u884c\u95ee\u9898\uff0c\u63d0\u9ad8\u5e94\u7528\u7684\u7a33\u5b9a\u6027\u548c\u6027\u80fd\u3002<\/p>\n<\/p>\n<h2><strong>\u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n<p><strong>\u95ee\u98981\uff1a\u5982\u4f55\u5206\u6790\u5bfc\u81f4Tomcat\u6b7b\u673a\u7684\u4ee3\u7801\uff1f<\/strong><\/p>\n<p>\u7b54\uff1a\u8981\u5b9a\u4f4d\u5bfc\u81f4Tomcat\u6b7b\u673a\u7684\u4ee3\u7801\uff0c\u60a8\u53ef\u4ee5\u91c7\u53d6\u4ee5\u4e0b\u6b65\u9aa4\uff1a<\/p>\n<ol>\n<li>\u68c0\u67e5Tomcat\u65e5\u5fd7\uff1a\u9996\u5148\uff0c\u68c0\u67e5Tomcat\u7684\u65e5\u5fd7\u6587\u4ef6\uff0c\u5c24\u5176\u662fcatalina.out\u6587\u4ef6\uff0c\u67e5\u770b\u662f\u5426\u6709\u4efb\u4f55\u5f02\u5e38\u6216\u9519\u8bef\u6d88\u606f\u3002<\/li>\n<li>\u8ffd\u8e2aTomcat\u7ebf\u7a0b\uff1a\u4f7f\u7528Tomcat\u7684\u7ba1\u7406\u5de5\u5177\u6216\u547d\u4ee4\u884c\u5de5\u5177\uff08\u5982jstack\uff09\uff0c\u8ffd\u8e2aTomcat\u7684\u7ebf\u7a0b\u72b6\u6001\u3002\u5c24\u5176\u5173\u6ce8\u5904\u4e8e\u6b7b\u9501\u6216\u65e0\u9650\u5faa\u73af\u7684\u7ebf\u7a0b\u3002<\/li>\n<li>\u5206\u6790\u5806\u6808\u8ddf\u8e2a\uff1a\u68c0\u67e5Tomcat\u7ebf\u7a0b\u7684\u5806\u6808\u8ddf\u8e2a\u4fe1\u606f\uff0c\u67e5\u627e\u662f\u5426\u6709\u4efb\u4f55\u5f02\u5e38\u60c5\u51b5\u6216\u6f5c\u5728\u7684\u6027\u80fd\u74f6\u9888\u3002<\/li>\n<li>\u5229\u7528\u65e5\u5fd7\u5de5\u5177\uff1a\u4f7f\u7528\u65e5\u5fd7\u5de5\u5177\uff08\u5982log4j\uff09\u5728\u5173\u952e\u4ee3\u7801\u6bb5\u4e2d\u52a0\u5165\u65e5\u5fd7\u8f93\u51fa\u8bed\u53e5\uff0c\u4ee5\u4fbf\u8ddf\u8e2a\u6267\u884c\u8fc7\u7a0b\u5e76\u5b9a\u4f4d\u95ee\u9898\u6240\u5728\u3002<\/li>\n<li>\u4f7f\u7528\u6027\u80fd\u5206\u6790\u5de5\u5177\uff1a\u501f\u52a9\u6027\u80fd\u5206\u6790\u5de5\u5177\uff08\u5982VisualVM\u6216YourKit Java 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