{"id":10020463,"date":"2024-12-12T12:13:12","date_gmt":"2024-12-12T04:13:12","guid":{"rendered":"https:\/\/itmax.cn\/?p=10020463"},"modified":"2024-12-12T12:13:12","modified_gmt":"2024-12-12T04:13:12","slug":"%e6%8f%90%e4%be%9b%e6%96%b9%e8%80%97%e6%97%b6%e6%ad%a3%e5%b8%b8%ef%bc%8c%e8%b0%83%e7%94%a8%e6%96%b9%e6%af%9b%e5%88%ba%e9%a2%91%e9%a2%91","status":"publish","type":"post","link":"https:\/\/itmax.cn\/?p=10020463","title":{"rendered":"\u63d0\u4f9b\u65b9\u8017\u65f6\u6b63\u5e38\uff0c\u8c03\u7528\u65b9\u6bdb\u523a\u9891\u9891"},"content":{"rendered":"<p>\u4f5c\u8005\uff1a\u4eac\u4e1c\u96f6\u552e \u738b\u68ee<\/p>\n<h2>\u4e00 \u73b0\u8c61<\/h2>\n<p>\u8c03\u7528\u65b9A -&gt; JSF -&gt; \u63d0\u4f9b\u65b9B<\/p>\n<p>\u5927\u591a\u6570\u60c5\u51b5\u4e0b\uff0c\u8c03\u7528\u65b9\u8017\u65f6 \u548c \u63d0\u4f9b\u65b9\u8017\u65f6 \u57fa\u672c\u6ca1\u6709\u5dee\u522b<\/p>\n<p>\u4e2a\u522b\u60c5\u51b5\u4e0b\uff0c\u8c03\u7528\u65b9\u8017\u65f6 \u8fdc\u9ad8\u4e8e \u63d0\u4f9b\u65b9\u8017\u65f6\uff0c\u5927\u69825\u5206\u949f20+\u6b21<\/p>\n<h3>1.\u8c03\u7528\u65b9A\u8017\u65f6\u5982\u4e0b\u56fe<\/h3>\n<p><img decoding=\"async\"   referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000045591823\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" title=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\"><\/p>\n<h3>2.\u63d0\u4f9b\u65b9B\u8017\u65f6\u5982\u4e0b\u56fe<\/h3>\n<p><img decoding=\"async\"   referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000045591824\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" title=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" loading=\"lazy\"><\/p>\n<h3>3.\u8c03\u7528\u65b9\u76d1\u63a7\u6dfb\u52a0<\/h3>\n<p>\u5728\u8c03\u7528JSF\u63a5\u53e3\u524d\u540e\u52a0\u7684\u76d1\u63a7\uff0c\u6ca1\u6709\u5176\u4ed6\u4efb\u4f55\u903b\u8f91\uff0c\u5305\u62ec\u65e5\u5fd7\u6253\u5370<\/p>\n<h3>4.\u63d0\u4f9b\u65b9\u76d1\u63a7\u6dfb\u52a0<\/h3>\n<p>\u5728\u4ee3\u7801\u6700\u5916\u5c42JSF\u63a5\u53e3\u52a0\u7684\u76d1\u63a7\uff0c\u4e4b\u5916\u6ca1\u6709\u4efb\u4f55\u4ee3\u7801\u903b\u8f91<\/p>\n<h3>5.\u8017\u65f6\u5bf9\u6bd4<\/h3>\n<table>\n<thead>\n<tr>\n<th>\u65f6\u95f4\u6bb5<\/th>\n<th>\u8c03\u7528\u65b9A\u5e73\u5747\u8017\u65f6<\/th>\n<th>\u63d0\u4f9b\u65b9B\u5e73\u5747\u8017\u65f6<\/th>\n<th>\u8c03\u7528\u65b9A\u6700\u5927\u8017\u65f6<\/th>\n<th>\u63d0\u4f9b\u65b9B\u6700\u5927\u8017\u65f6<\/th>\n<th>\u8c03\u7528\u65b9A\u8d85100ms\u6570\u91cf<\/th>\n<th>\u63d0\u4f9b\u65b9B\u8d85100ms\u6570\u91cf<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>2024-06-15 13:30:00 \u81f3 2024-06-15 13:59:59<\/td>\n<td>\u5927\u90e8\u5206\u662f\u4f4e\u4e8e60ms \u6709\u7a81\u523a<\/td>\n<td>\u5927\u90e8\u5206\u4e0d\u8d85\u8fc720<\/td>\n<td>580ms<\/td>\n<td>32ms<\/td>\n<td>24\u6b21<\/td>\n<td>0<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>\u4e8c \u6392\u67e5\u601d\u8def<\/h2>\n<\/p>\n<h3>1.\u6570\u636e\u6d41\u8f6c\u73af\u8282\u5206\u6790<\/h3>\n<\/p>\n<p>\u8c03\u7528\u65b9\u4ece\u8bf7\u6c42\u5230\u63a5\u6536\u6570\u636e\uff0c\u9664\u4e86\u63d0\u4f9b\u65b9\u4e1a\u52a1\u8017\u65f6\uff0c\u8fd8\u6709\u5176\u4ed6\u73af\u8282\uff0c\u5206\u522b\u662f<\/p>\n<p>1.\u8c03\u7528\u65b9\u5bb9\u5668\u548c\u5bbf\u4e3b\u673a<\/p>\n<p>2.\u8c03\u7528\u65b9-&gt;\u63d0\u4f9b\u65b9\u7ecf\u8fc7\u7684\u7f51\u7edc\u73af\u8282<\/p>\n<p>3.\u63d0\u4f9b\u65b9\u5bb9\u5668\u548c\u5bbf\u4e3b\u673a\u7684\u73af\u8282<\/p>\n<p>4.\u63d0\u4f9b\u65b9-&gt;\u8c03\u7528\u65b9\u7684\u7f51\u7edc\u73af\u8282<\/p>\n<h3>2.\u521d\u6b65\u5b9a\u4f4d<\/h3>\n<p>\u5bb9\u5668\u548c\u5bbf\u4e3b\u673a\u4e4b\u95f4\u7531\u4e8e\u6d41\u91cf\u8fc7\u5927\uff0c\u5904\u7406\u538b\u529b\u5927\u5bfc\u81f4\u7684\u74f6\u9888<\/p>\n<p>\u7f51\u7edc\u6ce2\u52a8<\/p>\n<p>\u4e00\u6b65\u4e00\u6b65\u6392\u9664\uff0c\u5148\u770b\u7f51\u7edc<\/p>\n<\/p>\n<h3>3.\u627e\u8bc1\u636e<\/h3>\n<h4>3.1 \u627e\u76d1\u63a7<\/h4>\n<p>\u627e\u5230\u76d1\u63a7\u76f8\u5173\u7684\u6280\u672f\u540c\u5b66\uff0c\u56de\u7b54\u8bf4\u6ca1\u6709\u7f51\u7edc\u7684\u76d1\u63a7<\/p>\n<p>\u4e8e\u662f\u627e\u5230\u4e86JDOS\u7684\u540c\u5b66\uff0c\u6392\u67e5\u540e\u63d0\u4f9b\u4e86\u4e00\u79cd\u6000\u7591\u65b9\u5411\uff0c\u5982\u4e0b\u56fe<br \/><img decoding=\"async\"   referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000045591825\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" title=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" loading=\"lazy\"><\/p>\n<p>\u5bb9\u5668\u5185\u5b58\u4f7f\u7528\u7387\uff08\u5305\u542bcache\uff09\u57fa\u672c\u4e00\u76f4\u4fdd\u6301\u572899%\u4ee5\u4e0a\uff0c\u5efa\u8bae\u5148\u786e\u5b9a\u8be5\u6307\u6807\u7684\u5f71\u54cd\uff0c\u5e76\u964d\u4f4e\u8be5\u6307\u6807<\/p>\n<h5>3.1.2 \u6307\u6807\u542b\u4e49<\/h5>\n<p>\u6307\u6807\u5b9a\u4e49\u6587\u6863\u89e3\u91ca\u5982\u4e0b<\/p>\n<p><img decoding=\"async\"   referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000045591826\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" title=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" loading=\"lazy\"><\/p>\n<\/p>\n<p>\u8fd8\u662f\u770b\u4e0d\u592a\u61c2\u6307\u6807\u7684\u542b\u4e49\uff0c\u61f5B\u72b6\u6001<\/p>\n<p>\u63d0\u5de5\u5355\u54a8\u8be2\uff0c\u7ed9\u51fa\u7684\u89e3\u51b3\u65b9\u6848\u5982\u4e0b<\/p>\n<p><img decoding=\"async\"   referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000045591827\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" title=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" loading=\"lazy\"><\/p>\n<\/p>\n<p>java\u5e94\u7528\uff0c\u65e0ngix\uff0c\u8fd8\u662f\u61f5\uff0c\u7ee7\u7eed\u6c42\u52a9<\/p>\n<p>\u6700\u540e\u5f97\u51fa\u7ed3\u8bba\uff1a<\/p>\n<p>\u8fd9\u4e2a\u4e4b\u524d\u5728\u8425\u9500\u4e2d\u5fc3\u90a3\u8fb9\u6709\u9047\u5230C++ \u4f7f\u7528page cache \u8fd8\u6709\u4f7f\u7528zgc\u7684 \u9700\u8981\u53c2\u8003\u4e00\u4e0bcache\u8fd9\u4e2a\u6307\u6807\uff0c\u5176\u4ed6\u7684\u573a\u666f \u76ee\u524d\u770b \u7cfb\u7edf\u4f1a\u5728\u7269\u7406\u5185\u5b58\u4e0d\u591f\u7528\u7684\u65f6\u5019 \u91ca\u653ecache\uff1b<\/p>\n<p>\u8fd9\u4e2a\u662f\u6307\u6709\u7684c++\u5e94\u7528\u5e95\u5c42\u63a5\u53e3\u76f4\u63a5\u4f7f\u7528\u4e86pagecache\uff0cjava\u53ef\u4ee5\u5ffd\u7565<\/p>\n<\/p>\n<p>\u66f4<strong>\u8be6\u7ec6\u89e3\u91ca<\/strong>\uff1a<\/p>\n<p>\u5185\u5b58\u90a3\u90e8\u5206\u662f\u8fd9\u6837\u7684\uff0c\u6bcf\u4e2a\u5bb9\u5668\u7684 Memory Cgroup \u5728\u7edf\u8ba1\u6bcf\u4e2a\u63a7\u5236\u7ec4\u7684\u5185\u5b58\u4f7f\u7528\u65f6\u5305\u542b\u4e86\u4e24\u90e8\u5206\uff0cRSS \u548c Page Cache\u3002<\/p>\n<p>RSS \u662f\u6bcf\u4e2a\u8fdb\u7a0b\u5b9e\u9645\u5360\u7528\u7684\u7269\u7406\u5185\u5b58\uff0c\u5b83\u5305\u62ec\u4e86\u8fdb\u7a0b\u7684\u4ee3\u7801\u6bb5\u5185\u5b58\uff0c\u8fdb\u7a0b\u8fd0\u884c\u65f6\u9700\u8981\u7684\u5806\u548c\u6808\u7684\u5185\u5b58\uff0c\u8fd9\u90e8\u5206\u5185\u5b58\u662f\u8fdb\u7a0b\u8fd0\u884c\u6240\u5fc5\u987b\u7684\u3002<\/p>\n<p>Page Cache \u662f\u8fdb\u7a0b\u5728\u8fd0\u884c\u4e2d\u8bfb\u5199\u78c1\u76d8\u6587\u4ef6\u540e\uff0c\u4f5c\u4e3a Cache \u800c\u7ee7\u7eed\u4fdd\u7559\u5728\u5185\u5b58\u4e2d\u7684\uff0c\u5b83\u7684\u76ee\u7684\u662f\u4e3a\u4e86\u63d0\u9ad8\u78c1\u76d8\u6587\u4ef6\u7684\u8bfb\u5199\u6027\u80fd\u3002\uff08Java\u7a0b\u5e8f\u53ea\u8981\u64cd\u4f5c\u78c1\u76d8\u8bfb\u5199\u4e5f\u4f1a\u7528\u5230 page cache\uff09<\/p>\n<p>\u6709\u65f6\u4f1a\u770b\u5230\u8fd9\u6837\u4e00\u79cd\u60c5\u51b5\uff1a\u5bb9\u5668\u91cc\u7684\u5e94\u7528\u6709\u5f88\u591a\u6587\u4ef6\u8bfb\u5199\uff0c\u4f60\u4f1a\u53d1\u73b0\u6574\u4e2a\u5bb9\u5668\u7684\u5185\u5b58\u4f7f\u7528\u91cf\u5df2\u7ecf\u5f88\u63a5\u8fd1 Memory Cgroup \u7684\u4e0a\u9650\u503c\u4e86\uff0c\u4f46\u662f\u5728\u5bb9\u5668\u4e2d\u6211\u4eec\u63a5\u7740\u518d\u7533\u8bf7\u5185\u5b58\uff0c\u8fd8\u662f\u53ef\u4ee5\u7533\u8bf7\u51fa\u6765\uff0c\u5e76\u4e14\u6ca1\u6709\u53d1\u751f OOM\u3002\u90a3\u662f\u56e0\u4e3a\u5bb9\u5668\u4e2d\u6709\u90e8\u5206\u662fPageCache,\u5f53\u5bb9\u5668\u9700\u8981\u66f4\u591a\u5185\u5b58\u65f6\uff0c\u91ca\u653e\u4e86PageCache,\u6240\u4ee5\u603b\u5927\u5c0f\u5e76\u6ca1\u6709\u53d8\u5316\u3002<\/p>\n<\/p>\n<p>\u7ed3\u8bba\uff1a\u5bf9\u4e8ejava\u7cfb\u7edf\u6765\u8bf4\uff0c\u5bb9\u5668\u5185\u5b58\u4f7f\u7528\u7387\uff08\u5305\u542bcache\uff09\u6ca1\u6709\u5f71\u54cd\uff08cache\u4f1a\u81ea\u52a8\u91ca\u653e\uff09<\/p>\n<\/p>\n<h5>3.1.3 \u964d\u4f4e\u5bb9\u5668\u5185\u5b58\u4f7f\u7528\u7387\uff08\u5305\u542bcache\uff09<\/h5>\n<p>\u867d\u8bf4\u6ca1\u6709\u5f71\u54cd\uff0c\u8fd8\u662f\u60f3\u529e\u6cd5\u964d\u4f4e\u8bd5\u8bd5\u6548\u679c\uff08\u975e\u5e38\u76f8\u4fe1\u5927\u4f6c\uff09<\/p>\n<p>\u770b\u4e86\u5176\u4ed6\u51e0\u4e2ajava\u96c6\u7fa4<\/p>\n<p><img decoding=\"async\"   referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000045591828\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" title=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" loading=\"lazy\"><\/p>\n<p><img decoding=\"async\"   referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000045591829\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" title=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" loading=\"lazy\"><br \/><img decoding=\"async\"   referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000045591830\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" title=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" loading=\"lazy\"><\/p>\n<p>\u770b\u5230\u6700\u540e\u4e00\u4e2a\u56fe\uff0c\u5c0f\u5c0f\u5206\u6790\u4e86\u4e0b\uff0c\u53d1\u73b0\u4e09\u4e2a\u5c0f\u65f6\u4f1a\u964d\u4f4e\u4e00\u6ce2\uff0c\u6b63\u597d\u548c\u65e5\u5fd7\u6e05\u9664\u7684\u65f6\u95f4\u95f4\u9694\u4e00\u81f4\u3002<\/p>\n<p>\u5bf9\u63d0\u4f9b\u65b9B\u6e05\u9664\u65e5\u5fd7\u540e\u53d1\u73b0\u679c\u7136\u964d\u4f4e\uff0c\u5982\u4e0b<\/p>\n<p><img decoding=\"async\"   referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000045591831\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" title=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" loading=\"lazy\"><\/p>\n<\/p>\n<p>\u4f46\u662f\u6bdb\u523a\u4f9d\u7136\u5b58\u5728\uff01\uff01<\/p>\n<h4>3.2 \u5bb9\u5668\u5904\u7406\u6027\u80fd\u74f6\u9888<\/h4>\n<p>\u6269\u5bb9\u524d\uff0cCPU\u548c\u5185\u5b58\u4e5f\u5904\u4e8e\u6b63\u5e38\u6c34\u5e73<\/p>\n<p><img decoding=\"async\"   referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000045591832\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" title=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" loading=\"lazy\"><\/p>\n<\/p>\n<p>\u6269\u5bb9\u540e\uff08\u6c47\u59294\u53f0 -&gt; \u6c47\u59298\u53f0\uff09\uff0cCPU\u548c\u5185\u5b58\u6ca1\u5565\u592a\u591a\u53d8\u5316<\/p>\n<p><img decoding=\"async\"   referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000045591833\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" title=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" loading=\"lazy\"><\/p>\n<p>\u8c03\u7528\u65b9\u8017\u65f6\u5982\u4e0b\uff0c\u57fa\u672c\u6ca1\u5565\u53d8\u5316\uff0c\u5934\u5927<\/p>\n<p><img decoding=\"async\"   referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000045591834\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" title=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" loading=\"lazy\"><\/p>\n<h4>3.3 \u8017\u65f6\u5206\u6790<\/h4>\n<p>\u8fd0\u7ef4\u7684\u540c\u4e8b\u5e2e\u5fd9\u5206\u6790\u4e86\u4e00\u6ce2\uff0c\u7ed9\u51fa\u5e74\u8f7b\u4ee3GC\u8017\u65f6\u8f83\u9ad8\u53ef\u80fd\u4f1a\u5f71\u54cd\u8017\u65f6\uff1b\u5982\u4e0b<br \/><img decoding=\"async\"   referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000045591835\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" title=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" loading=\"lazy\"><\/p>\n<p>\u627e\u4e86\u4e24\u4e2a\u6bdb\u523a\u7684\u6570\u636e\uff0c\u627e\u5230\u5bf9\u5e94\u63d0\u4f9b\u65b9\u7684\u673a\u5668\uff0c\u67e5\u770b\u90a3\u4e00\u5206\u949f\u5185\u6709yanggc\u8017\u65f6\uff08\u5206\u949f\u7684\u7c92\u5ea6\uff09\uff0c\u8ba1\u7b97\u4e0b\u6765\uff0c\u8c03\u7528\u65b9\u8017\u65f6\u6bd4\u8f83\u63a5\u8fd1 \u63d0\u4f9b\u65b9\u8017\u65f6+\u63d0\u4f9b\u65b9yanggc\u8017\u65f6\uff0c\u4f46\u662f\u6ca1\u6709\u76f4\u63a5\u91c7\u53d6\u63aa\u65bd\uff0c\u4e3b\u8981\u4e00\u4e0b\u539f\u56e0<\/p>\n<p>1.yanggc\u7c92\u5ea6\u6bd4\u8f83\u7c97\uff0c\u5206\u949f\u7ea7<\/p>\n<p>2.\u4e00\u76f4\u8ba4\u4e3aFullGC\u4f1a\u5bfc\u81f4STW\uff0c\u589e\u52a0\u8017\u65f6\uff0cyangGc\u4e0d\u4f1a\u6709\u592a\u5927\u5f71\u54cd<\/p>\n<p>3.\u53ea\u6709\u4e00\u4e24\u6b21\u7684\u6570\u636e\u5206\u6790\uff0c\u6570\u636e\u4e5f\u6ca1\u6709\u90a3\u4e48\u51c6\u786e<\/p>\n<p>4.\u5907\u6218\u671f\u95f4\uff0c\u7ebf\u4e0a\u673a\u5668\u5c01\u677f\uff0c\u52a8\u8d77\u6765\u6bd4\u8f83\u9ebb\u70e6\uff0c\u60f3\u627e\u4e0b\u5176\u4ed6\u539f\u56e0\uff0c\u53cc\u7ba1\u9f50\u4e0b<\/p>\n<\/p>\n<h4>3.4 \u7f51\u7edc\u5bf9\u6293 + PFinder<\/h4>\n<p>1.\u8c03\u7528\u65b9\u591a\u53f0\u673a\u5668\uff0c\u63d0\u4f9b\u65b9\u4e5f\u662f\u591a\u53f0\u673a\u5668\uff0c\u7f51\u7edc\u6293\u5305\u8981\u60f3\u6293\u5168\u5f97N*M\uff0c\u6bd4\u8f83\u8d39\u52b2<\/p>\n<p>2.PFinder\u4e5f\u662f\u968f\u673a\u6293\u5305<\/p>\n<p>3.\u6bdb\u523a\u4e5f\u662f\u968f\u673a\u4ea7\u751f\u7684<\/p>\n<p>\u60f3\u4fdd\u8bc1\uff0c\u6293\u5230\u6bdb\u523a\u8bf7\u6c42\uff0c\u4e14\uff0cPFinder\u6709\u6570\u636e\uff0c\u91c7\u53d6\u5982\u4e0b\u5bf9\u7b56<\/p>\n<p>1.\u9009\u62e9\u8c03\u7528\u65b9\u7684\u4e00\u53f0\u673a\u5668 X \u63d0\u4f9b\u65b9\u7684\u4e00\u53f0\u673a\u5668\uff0c\u8fdb\u884c\u6293\u5305<\/p>\n<p>2.\u76d1\u63a7\u8c03\u7528\u65b9\u7684\u8fd9\u53f0\u673a\u5668\u7684UMP\u76d1\u63a7<\/p>\n<p>3.\u8c03\u7528\u65b9\u7684UMP\u76d1\u63a7\u6709\u6bdb\u523a\u65f6\uff0c\u67e5\u770b\u662f\u5426\u6709PFinder\u76d1\u63a7\u6570\u636e\uff0c\u5982\u679c\u6ca1\u6709\u5219\u7ee7\u7eed\u6293\uff0c\u6709\u5219\u505c\u6b62<\/p>\n<p>\u6700\u540e\u6293\u5230\u4e86\u60f3\u8981\u7684\u6570\u636e<\/p>\n<p>\u7f51\u7edc\u8fd0\u7ef4\u7684\u540c\u4e8b\u5e2e\u5fd9\u5bf9\u6293\u7f51\u7edc\u5305\uff0c\u5de6\u8fb9\u662f\u8c03\u7528\u65b9\uff0c\u53f3\u8fb9\u662f\u63d0\u4f9b\u65b9\uff0c\u5982\u4e0b<\/p>\n<p><img decoding=\"async\"   referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000045591836\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" title=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" loading=\"lazy\"><\/p>\n<\/p>\n<p>\u8c03\u7528\u65b9\u7684PFinder\u7684\u6570\u636e\u5982\u4e0b<\/p>\n<p><img decoding=\"async\"   referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000045591837\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" title=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" loading=\"lazy\"><\/p>\n<p>\u63d0\u4f9b\u65b9\u4ee3\u7801\u5f00\u59cbPFinder\u7684\u6570\u636e\u5982\u4e0b<\/p>\n<p><img decoding=\"async\"   referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000045591838\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" title=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" loading=\"lazy\"><\/p>\n<\/p>\n<p>\u6570\u636e\u5206\u6790\u540e\u7ed3\u8bba\u5982\u4e0b\uff1a<\/p>\n<p><strong>\u8c03\u7528\u65b922:24:50.775730 \u53d1\u51fa 22:24:50.988867\u6536\u5230 \u8017\u65f6213ms<\/strong><\/p>\n<p><strong>\u63d0\u4f9b\u65b922:24:50.775723\u6536\u5230\u6570\u636e\u5305\uff0c\u7b49\u523022:24:50.983\u624d\u5904\u7406\uff0c22:24:50.988776\u5904\u7406\u7ed3\u675f\u56de\u5305<\/strong><\/p>\n<p><strong>\u63d0\u4f9b\u65b9\u7b49\u5f85208ms\u5de6\u53f3\uff0c\u5b9e\u9645\u5904\u74064.55ms\uff0c\u52a0\u8d77\u6765 213\u5de6\u53f3\uff0c\u548c\u8c03\u7528\u65b9\u8017\u65f6\u5bf9\u5e94\u4e0a\u4e86<\/strong><\/p>\n<p><strong>\u7f51\u7edc\u6293\u5305\u662f\u4ece\u5bb9\u5668\u5230\u5bb9\u5668\u7684\u6293\u5305<\/strong><\/p>\n<\/p>\n<p>\u963b\u585e\u539f\u56e0\u731c\u6d4b:<\/p>\n<p>1.\u5bb9\u5668\u74f6\u9888\uff0c\u5904\u7406\u4e0d\u8fc7\u6765 &#8211; CPU\u3001\u5185\u5b58\u6b63\u5e38\uff0c\u4e14\u5f53\u5929\u4e0b\u5348\u6269\u5bb9\u4e00\u500d\uff0c\u6ca1\u6709\u660e\u663e\u597d\u8f6c<\/p>\n<p>2.yanggc\u7167\u6210\u5ef6\u8fdf &#8211; \u548c\u8fd0\u7ef4\u540c\u5b66\u5f20\u5baa\u6ce2\u5927\u4f6c\u5206\u6790\u7684\u4e0d\u8c0b\u800c\u5408\uff0c\u4e14\u662f\u6709\u6570\u636e\u652f\u6491\u7684<\/p>\n<\/p>\n<h3>4.\u5904\u7406<\/h3>\n<h5>1.\u76ee\u7684\uff1a\u964d\u4f4eyanggc\u8017\u65f6\uff08\u6ca1\u6709FullGC\uff09<\/h5>\n<h5>2.\u5f53\u524d\uff1a<\/h5>\n<p><img decoding=\"async\"   referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000045591839\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" title=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" loading=\"lazy\"><\/p>\n<h5>3.\u65b9\u5f0f\uff1a<\/h5>\n<p>1.\u589e\u5927\u5806\u5185\u5b58\uff08\u5e74\u8f7b\u4ee3\uff09<\/p>\n<p>2.\u6269\u5bb9\uff08\u5df2\u7ecf\u6269\u4e86\u4e00\u6b21\uff0c\u6ca1\u6709\u660e\u663e\u53d8\u5316\uff09<\/p>\n<p>3.mq\u6d88\u8d39\u6d41\u91cf\u5207\u5230\u5176\u4ed6\u5206\u7ec4\uff08\u4e00\u822c\u5148\u53cd\u5e8f\u5217\u5316\uff0c\u6839\u636e\u53c2\u6570\u8fc7\u6ee4\uff09\uff0c\u51cf\u5c11\u65b0\u5bf9\u8c61\u521b\u5efa<\/p>\n<h5>4.\u7ed3\u679c\uff1a<\/h5>\n<p>\u8c03\u7528\u65b9\u8017\u65f6\u5982\u4e0b<\/p>\n<p><img decoding=\"async\"   referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000045591840\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" title=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" loading=\"lazy\"><\/p>\n<p>\u63d0\u4f9b\u65b9\u8017\u65f6\u5982\u4e0b<\/p>\n<p><img decoding=\"async\"   referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000045591841\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" title=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" loading=\"lazy\"><\/p>\n<p>\u63d0\u4f9b\u65b9yanggc<\/p>\n<p><img decoding=\"async\"   referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000045591842\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" title=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" loading=\"lazy\"><\/p>\n<p>\u8c03\u6574\u524d\u540e\u8c03\u7528\u65b9\u8017\u65f6<\/p>\n<p><img decoding=\"async\"   referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000045591843\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" title=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" loading=\"lazy\"><\/p>\n<\/p>\n<p>\u6700\u7ec8\u63d0\u4f9b\u65b9\u548c\u8c03\u7528\u65b9\u8017\u65f6\u4e0d\u4e00\u81f4\u7684\u95ee\u9898\u5f97\u5230\u89e3\u51b3<\/p>\n<p><a href=\"https:\/\/segmentfault.com\/a\/1190000045591820\">https:\/\/segmentfault.com\/a\/1190000045591820<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4f5c\u8005\uff1a\u4eac\u4e1c\u96f6\u552e \u738b\u68ee \u4e00 \u73b0\u8c61 \u8c03\u7528\u65b9A -&gt; JSF -&gt; \u63d0\u4f9b\u65b9B \u5927\u591a\u6570\u60c5\u51b5\u4e0b\uff0c\u8c03\u7528\u65b9\u8017\u65f6  [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[4],"tags":[],"class_list":["post-10020463","post","type-post","status-publish","format-standard","hentry","category-share"],"jetpack_sharing_enabled":true,"jetpack_featured_media_url":"","_links":{"self":[{"href":"https:\/\/itmax.cn\/index.php?rest_route=\/wp\/v2\/posts\/10020463","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/itmax.cn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/itmax.cn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/itmax.cn\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/itmax.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=10020463"}],"version-history":[{"count":0,"href":"https:\/\/itmax.cn\/index.php?rest_route=\/wp\/v2\/posts\/10020463\/revisions"}],"wp:attachment":[{"href":"https:\/\/itmax.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=10020463"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/itmax.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=10020463"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/itmax.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=10020463"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}