{"id":235,"date":"2017-04-03T18:01:56","date_gmt":"2017-04-03T18:01:56","guid":{"rendered":""},"modified":"2017-04-03T18:01:56","modified_gmt":"2017-04-03T18:01:56","slug":"","status":"publish","type":"post","link":"http:\/\/weizn.net\/?p=235","title":{"rendered":"[\u8f6c] Linux\u4e2dCache\u5185\u5b58\u5360\u7528\u8fc7\u9ad8\u89e3\u51b3\u529e\u6cd5"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_17 counter-hierarchy\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\">\u76ee\u5f55<\/p>\n<span class=\"ez-toc-title-toggle\"><a class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" style=\"display: none;\"><i class=\"ez-toc-glyphicon ez-toc-icon-toggle\"><\/i><\/a><\/span><\/div>\n<nav><ul class=\"ez-toc-list ez-toc-list-level-1\"><li class=\"ez-toc-page-1 ez-toc-heading-level-2\"><a class=\"ez-toc-link ez-toc-heading-1\" href=\"http:\/\/weizn.net\/?p=235\/#i\" title=\"\n\t\u4ec0\u4e48\u662fbuffer\/cache\uff1f \n\">\n\t\u4ec0\u4e48\u662fbuffer\/cache\uff1f \n<\/a><\/li><li class=\"ez-toc-page-1 ez-toc-heading-level-2\"><a class=\"ez-toc-link ez-toc-heading-2\" href=\"http:\/\/weizn.net\/?p=235\/#i-2\" title=\"\n\t\u4ec0\u4e48\u662fpage cache\uff1f \n\">\n\t\u4ec0\u4e48\u662fpage cache\uff1f \n<\/a><\/li><li class=\"ez-toc-page-1 ez-toc-heading-level-2\"><a class=\"ez-toc-link ez-toc-heading-3\" href=\"http:\/\/weizn.net\/?p=235\/#i-3\" title=\"\n\t\u5982\u4f55\u56de\u6536cache\uff1f \n\">\n\t\u5982\u4f55\u56de\u6536cache\uff1f \n<\/a><\/li><\/ul><\/nav><\/div>\n<p style=\"margin:10px auto;padding:0px;font-family:&quot;font-size:14px;white-space:normal;background-color:#FFFFFF;\">\n\t<span style=\"font-size:14px;\">\u5728Linux\u7cfb\u7edf\u4e2d\uff0c\u6211\u4eec\u7ecf\u5e38\u7528free\u547d\u4ee4\u6765\u67e5\u770b\u7cfb\u7edf\u5185\u5b58\u7684\u4f7f\u7528\u72b6\u6001\u3002\u5728\u4e00\u4e2aRHEL6\u7684\u7cfb\u7edf\u4e0a\uff0c<\/span><a href=\"http:\/\/www.idcyunwei.org\/post\/162.html\" target=\"_blank\" style=\"margin:0px;padding:0px;outline:none;color:black;\"><span style=\"font-size:14px;\">free\u547d\u4ee4<\/span><\/a><span style=\"font-size:14px;\">\u7684\u663e\u793a\u5185\u5bb9\u5927\u6982\u662f\u8fd9\u6837\u4e00\u4e2a\u72b6\u6001\uff1a<\/span>\n<\/p>\n<p style=\"margin:10px auto;padding:0px;font-family:&quot;font-size:14px;white-space:normal;background-color:#FFFFFF;\">\n\t<img decoding=\"async\" class=\"postimg\" title=\"1.png\" src=\"http:\/\/www.weizn.net\/content\/uploadfile\/201804\/4e3a8dae09a3255a9faf5880beaa387220180403170422.png\" alt=\"1.png\" data-tag=\"bdshare\" data-bd-imgshare-binded=\"1\" style=\"margin:0px;padding:0px;max-width:700px;\" \/>\n<\/p>\n<p style=\"margin:10px auto;padding:0px;font-family:&quot;font-size:14px;white-space:normal;background-color:#FFFFFF;\">\n\t<span style=\"font-size:14px;\">\u8fd9\u91cc\u7684\u9ed8\u8ba4\u663e\u793a\u5355\u4f4d\u662fkb\uff0c\u6211\u7684\u670d\u52a1\u5668\u662f128G\u5185\u5b58\uff0c\u6240\u4ee5\u6570\u5b57\u663e\u5f97\u6bd4\u8f83\u5927\u3002\u8fd9\u4e2a\u547d\u4ee4\u51e0\u4e4e\u662f\u6bcf\u4e00\u4e2a\u4f7f\u7528\u8fc7Linux\u7684\u4eba\u5fc5\u4f1a\u7684\u547d\u4ee4\uff0c\u4f46\u8d8a\u662f\u8fd9\u6837\u7684\u547d\u4ee4\uff0c\u4f3c\u4e4e\u771f\u6b63\u660e\u767d\u7684\u4eba\u8d8a\u5c11\uff08\u6211\u662f\u8bf4\u6bd4\u4f8b\u8d8a\u5c11\uff09\u3002\u4e00\u822c\u60c5\u51b5\u4e0b\uff0c\u5bf9\u6b64\u547d\u4ee4\u8f93\u51fa\u7684\u7406\u89e3\u53ef\u4ee5\u5206\u8fd9\u51e0\u4e2a\u5c42\u6b21\uff1a<\/span>\n<\/p>\n<ol class=\" list-paddingleft-2\" type=\"1\" start=\"1\" style=\"margin:0px;padding:0px 0px 0px 40px;font-family:&quot;font-size:14px;white-space:normal;background-color:#FFFFFF;\">\n<li style=\"margin:0px 0px 1em;padding:0px;list-style:decimal;\">\n<p style=\"margin:10px auto;padding:0px;\">\n\t\t\t<span style=\"font-size:14px;\">\u4e0d\u4e86\u89e3\u3002\u8fd9\u6837\u7684\u4eba\u7684\u7b2c\u4e00\u53cd\u5e94\u662f\uff1a\u5929\u554a\uff0c\u5185\u5b58\u7528\u4e86\u597d\u591a\uff0c70\u4e2a\u591aG\uff0c\u53ef\u662f\u6211\u51e0\u4e4e\u6ca1\u6709\u8fd0\u884c\u4ec0\u4e48\u5927\u7a0b\u5e8f\u554a\uff1f\u4e3a\u4ec0\u4e48\u4f1a\u8fd9\u6837\uff1fLinux\u597d\u5360\u5185\u5b58\uff01<\/span>\n\t\t<\/p>\n<\/li>\n<li style=\"margin:0px 0px 1em;padding:0px;list-style:decimal;\">\n<p style=\"margin:10px auto;padding:0px;\">\n\t\t\t<span style=\"font-size:14px;\">\u81ea\u4ee5\u4e3a\u5f88\u4e86\u89e3\u3002\u8fd9\u6837\u7684\u4eba\u4e00\u822c\u8bc4\u4f30\u8fc7\u4f1a\u8bf4\uff1a\u55ef\uff0c\u6839\u636e\u6211\u4e13\u4e1a\u7684\u773c\u5149\u770b\u7684\u51fa\u6765\uff0c\u5185\u5b58\u624d\u7528\u4e8617G\u5de6\u53f3\uff0c\u8fd8\u6709\u5f88\u591a\u5269\u4f59\u5185\u5b58\u53ef\u7528\u3002buffers\/cache\u5360\u7528\u7684\u8f83\u591a\uff0c\u8bf4\u660e\u7cfb\u7edf\u4e2d\u6709\u8fdb\u7a0b\u66fe\u7ecf\u8bfb\u5199\u8fc7\u6587\u4ef6\uff0c\u4f46\u662f\u4e0d\u8981\u7d27\uff0c\u8fd9\u90e8\u5206\u5185\u5b58\u662f\u5f53\u7a7a\u95f2\u6765\u7528\u7684\u3002<\/span>\n\t\t<\/p>\n<\/li>\n<li style=\"margin:0px 0px 1em;padding:0px;list-style:decimal;\">\n<p style=\"margin:10px auto;padding:0px;\">\n\t\t\t<span style=\"font-size:14px;\">\u771f\u7684\u5f88\u4e86\u89e3\u3002\u8fd9\u79cd\u4eba\u7684\u53cd\u5e94\u53cd\u800c\u8ba9\u4eba\u611f\u89c9\u6700\u4e0d\u61c2Linux\uff0c\u4ed6\u4eec\u7684\u53cd\u5e94\u662f\uff1afree\u663e\u793a\u7684\u662f\u8fd9\u6837\uff0c\u597d\u5427\u6211\u77e5\u9053\u4e86\u3002\u795e\u9a6c\uff1f\u4f60\u95ee\u6211\u8fd9\u4e9b\u5185\u5b58\u591f\u4e0d\u591f\uff0c\u6211\u5f53\u7136\u4e0d\u77e5\u9053\u5566\uff01\u6211\u7279\u4e48\u600e\u4e48\u77e5\u9053\u4f60\u7a0b\u5e8f\u600e\u4e48\u5199\u7684\uff1f<\/span>\n\t\t<\/p>\n<\/li>\n<\/ol>\n<p style=\"margin:10px auto;padding:0px;font-family:&quot;font-size:14px;white-space:normal;background-color:#FFFFFF;\">\n\t<span style=\"font-size:14px;\">\u6839\u636e\u76ee\u524d\u7f51\u7edc\u4e0a\u6280\u672f\u6587\u6863\u7684\u5185\u5bb9\uff0c\u6211\u76f8\u4fe1\u7edd\u5927\u591a\u6570\u4e86\u89e3\u4e00\u70b9Linux\u7684\u4eba\u5e94\u8be5\u5904\u5728\u7b2c\u4e8c\u79cd\u5c42\u6b21\u3002\u5927\u5bb6\u666e\u904d\u8ba4\u4e3a\uff0cbuffers\u548ccached\u6240\u5360\u7528\u7684\u5185\u5b58\u7a7a\u95f4\u662f\u53ef\u4ee5\u5728\u5185\u5b58\u538b\u529b\u8f83\u5927\u7684\u65f6\u5019\u88ab\u91ca\u653e\u5f53\u505a\u7a7a\u95f2\u7a7a\u95f4\u7528\u7684\u3002\u4f46\u771f\u7684\u662f\u8fd9\u6837\u4e48\uff1f\u5728\u8bba\u8bc1\u8fd9\u4e2a\u9898\u76ee\u4e4b\u524d\uff0c\u6211\u4eec\u5148\u7b80\u8981\u4ecb\u7ecd\u4e00\u4e0bbuffers\u548ccached\u662f\u4ec0\u4e48\u610f\u601d\uff1a<\/span>\n<\/p>\n<h2 style=\"margin:10px 0px;padding:0px;font-size:21px;line-height:1.5;font-family:&quot;white-space:normal;background-color:#FFFFFF;\"><span class=\"ez-toc-section\" id=\"i\"><\/span>\n\t<span style=\"font-size:14px;\">\u4ec0\u4e48\u662fbuffer\/cache\uff1f<\/span><br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p style=\"margin:10px auto;padding:0px;font-family:&quot;font-size:14px;white-space:normal;background-color:#FFFFFF;\">\n\t<span style=\"font-size:14px;\">buffer\u548c<\/span><a href=\"http:\/\/www.idcyunwei.org\/post\/162.html\" target=\"_blank\" style=\"margin:0px;padding:0px;outline:none;color:black;\"><span style=\"font-size:14px;\">cache<\/span><\/a><span style=\"font-size:14px;\">\u662f\u4e24\u4e2a\u5728\u8ba1\u7b97\u673a\u6280\u672f\u4e2d\u88ab\u7528\u6ee5\u7684\u540d\u8bcd\uff0c\u653e\u5728\u4e0d\u901a\u8bed\u5883\u4e0b\u4f1a\u6709\u4e0d\u540c\u7684\u610f\u4e49\u3002\u5728Linux\u7684\u5185\u5b58\u7ba1\u7406\u4e2d\uff0c\u8fd9\u91cc\u7684buffer\u6307Linux\u5185\u5b58\u7684\uff1aBuffer cache\u3002\u8fd9\u91cc\u7684cache\u6307Linux\u5185\u5b58\u4e2d\u7684\uff1aPage cache\u3002\u7ffb\u8bd1\u6210\u4e2d\u6587\u53ef\u4ee5\u53eb\u505a\u7f13\u51b2\u533a\u7f13\u5b58\u548c\u9875\u9762\u7f13\u5b58\u3002\u5728\u5386\u53f2\u4e0a\uff0c\u5b83\u4eec\u4e00\u4e2a\uff08buffer\uff09\u88ab\u7528\u6765\u5f53\u6210\u5bf9io\u8bbe\u5907\u5199\u7684\u7f13\u5b58\uff0c\u800c\u53e6\u4e00\u4e2a\uff08cache\uff09\u88ab\u7528\u6765\u5f53\u4f5c\u5bf9io\u8bbe\u5907\u7684\u8bfb\u7f13\u5b58\uff0c\u8fd9\u91cc\u7684io\u8bbe\u5907\uff0c\u4e3b\u8981\u6307\u7684\u662f\u5757\u8bbe\u5907\u6587\u4ef6\u548c\u6587\u4ef6\u7cfb\u7edf\u4e0a\u7684\u666e\u901a\u6587\u4ef6\u3002\u4f46\u662f\u73b0\u5728\uff0c\u5b83\u4eec\u7684\u610f\u4e49\u5df2\u7ecf\u4e0d\u4e00\u6837\u4e86\u3002\u5728\u5f53\u524d\u7684\u5185\u6838\u4e2d\uff0cpage cache\u987e\u540d\u601d\u4e49\u5c31\u662f\u9488\u5bf9\u5185\u5b58\u9875\u7684\u7f13\u5b58\uff0c\u8bf4\u767d\u4e86\u5c31\u662f\uff0c\u5982\u679c\u6709\u5185\u5b58\u662f\u4ee5page\u8fdb\u884c\u5206\u914d\u7ba1\u7406\u7684\uff0c\u90fd\u53ef\u4ee5\u4f7f\u7528page cache\u4f5c\u4e3a\u5176\u7f13\u5b58\u6765\u7ba1\u7406\u4f7f\u7528\u3002\u5f53\u7136\uff0c\u4e0d\u662f\u6240\u6709\u7684\u5185\u5b58\u90fd\u662f\u4ee5\u9875\uff08page\uff09\u8fdb\u884c\u7ba1\u7406\u7684\uff0c\u4e5f\u6709\u5f88\u591a\u662f\u9488\u5bf9\u5757\uff08block\uff09\u8fdb\u884c\u7ba1\u7406\u7684\uff0c\u8fd9\u90e8\u5206\u5185\u5b58\u4f7f\u7528\u5982\u679c\u8981\u7528\u5230cache\u529f\u80fd\uff0c\u5219\u90fd\u96c6\u4e2d\u5230buffer cache\u4e2d\u6765\u4f7f\u7528\u3002\uff08\u4ece\u8fd9\u4e2a\u89d2\u5ea6\u51fa\u53d1\uff0c\u662f\u4e0d\u662fbuffer cache\u6539\u540d\u53eb\u505ablock cache\u66f4\u597d\uff1f\uff09\u7136\u800c\uff0c\u4e5f\u4e0d\u662f\u6240\u6709\u5757\uff08block\uff09\u90fd\u6709\u56fa\u5b9a\u957f\u5ea6\uff0c\u7cfb\u7edf\u4e0a\u5757\u7684\u957f\u5ea6\u4e3b\u8981\u662f\u6839\u636e\u6240\u4f7f\u7528\u7684\u5757\u8bbe\u5907\u51b3\u5b9a\u7684\uff0c\u800c\u9875\u957f\u5ea6\u5728X86\u4e0a\u65e0\u8bba\u662f32\u4f4d\u8fd8\u662f64\u4f4d\u90fd\u662f4k\u3002<\/span>\n<\/p>\n<p style=\"margin:10px auto;padding:0px;font-family:&quot;font-size:14px;white-space:normal;background-color:#FFFFFF;\">\n\t<span style=\"font-size:14px;\">\u660e\u767d\u4e86\u8fd9\u4e24\u5957\u7f13\u5b58\u7cfb\u7edf\u7684\u533a\u522b\uff0c\u5c31\u53ef\u4ee5\u7406\u89e3\u5b83\u4eec\u7a76\u7adf\u90fd\u53ef\u4ee5\u7528\u6765\u505a\u4ec0\u4e48\u4e86\u3002<\/span>\n<\/p>\n<h2 style=\"margin:10px 0px;padding:0px;font-size:21px;line-height:1.5;font-family:&quot;white-space:normal;background-color:#FFFFFF;\"><span class=\"ez-toc-section\" id=\"i-2\"><\/span>\n\t<span style=\"font-size:14px;\">\u4ec0\u4e48\u662fpage cache\uff1f<\/span><br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p style=\"margin:10px auto;padding:0px;font-family:&quot;font-size:14px;white-space:normal;background-color:#FFFFFF;\">\n\t<span style=\"font-size:14px;\">Page cache\u4e3b\u8981\u7528\u6765\u4f5c\u4e3a\u6587\u4ef6\u7cfb\u7edf\u4e0a\u7684\u6587\u4ef6\u6570\u636e\u7684\u7f13\u5b58\u6765\u7528\uff0c\u5c24\u5176\u662f\u9488\u5bf9\u5f53\u8fdb\u7a0b\u5bf9\u6587\u4ef6\u6709read\uff0fwrite\u64cd\u4f5c\u7684\u65f6\u5019\u3002\u5982\u679c\u4f60\u4ed4\u7ec6\u60f3\u60f3\u7684\u8bdd\uff0c\u4f5c\u4e3a\u53ef\u4ee5\u6620\u5c04\u6587\u4ef6\u5230\u5185\u5b58\u7684\u7cfb\u7edf\u8c03\u7528\uff1ammap\u662f\u4e0d\u662f\u5f88\u81ea\u7136\u7684\u4e5f\u5e94\u8be5\u7528\u5230page cache\uff1f\u5728\u5f53\u524d\u7684\u7cfb\u7edf\u5b9e\u73b0\u91cc\uff0cpage cache\u4e5f\u88ab\u4f5c\u4e3a\u5176\u5b83\u6587\u4ef6\u7c7b\u578b\u7684\u7f13\u5b58\u8bbe\u5907\u6765\u7528\uff0c\u6240\u4ee5\u4e8b\u5b9e\u4e0apage cache\u4e5f\u8d1f\u8d23\u4e86\u5927\u90e8\u5206\u7684\u5757\u8bbe\u5907\u6587\u4ef6\u7684\u7f13\u5b58\u5de5\u4f5c\u3002<\/span>\n<\/p>\n<p style=\"margin:10px auto;padding:0px;font-family:&quot;font-size:14px;white-space:normal;background-color:#FFFFFF;\">\n\t<span style=\"font-size:14px;\">\u4ec0\u4e48\u662fbuffer cache<\/span>\n<\/p>\n<p style=\"margin:10px auto;padding:0px;font-family:&quot;font-size:14px;white-space:normal;background-color:#FFFFFF;\">\n\t<span style=\"font-size:14px;\">Buffer cache\u5219\u4e3b\u8981\u662f\u8bbe\u8ba1\u7528\u6765\u5728\u7cfb\u7edf\u5bf9\u5757\u8bbe\u5907\u8fdb\u884c\u8bfb\u5199\u7684\u65f6\u5019\uff0c\u5bf9\u5757\u8fdb\u884c\u6570\u636e\u7f13\u5b58\u7684\u7cfb\u7edf\u6765\u4f7f\u7528\u3002\u8fd9\u610f\u5473\u7740\u67d0\u4e9b\u5bf9\u5757\u7684\u64cd\u4f5c\u4f1a\u4f7f\u7528buffer cache\u8fdb\u884c\u7f13\u5b58\uff0c\u6bd4\u5982\u6211\u4eec\u5728\u683c\u5f0f\u5316\u6587\u4ef6\u7cfb\u7edf\u7684\u65f6\u5019\u3002\u4e00\u822c\u60c5\u51b5\u4e0b\u4e24\u4e2a\u7f13\u5b58\u7cfb\u7edf\u662f\u4e00\u8d77\u914d\u5408\u4f7f\u7528\u7684\uff0c\u6bd4\u5982\u5f53\u6211\u4eec\u5bf9\u4e00\u4e2a\u6587\u4ef6\u8fdb\u884c\u5199\u64cd\u4f5c\u7684\u65f6\u5019\uff0cpage cache\u7684\u5185\u5bb9\u4f1a\u88ab\u6539\u53d8\uff0c\u800cbuffer cache\u5219\u53ef\u4ee5\u7528\u6765\u5c06page\u6807\u8bb0\u4e3a\u4e0d\u540c\u7684\u7f13\u51b2\u533a\uff0c\u5e76\u8bb0\u5f55\u662f\u54ea\u4e00\u4e2a\u7f13\u51b2\u533a\u88ab\u4fee\u6539\u4e86\u3002\u8fd9\u6837\uff0c\u5185\u6838\u5728\u540e\u7eed\u6267\u884c\u810f\u6570\u636e\u7684\u56de\u5199\uff08writeback\uff09\u65f6\uff0c\u5c31\u4e0d\u7528\u5c06\u6574\u4e2apage\u5199\u56de\uff0c\u800c\u53ea\u9700\u8981\u5199\u56de\u4fee\u6539\u7684\u90e8\u5206\u5373\u53ef\u3002<\/span>\n<\/p>\n<h2 style=\"margin:10px 0px;padding:0px;font-size:21px;line-height:1.5;font-family:&quot;white-space:normal;background-color:#FFFFFF;\"><span class=\"ez-toc-section\" id=\"i-3\"><\/span>\n\t<span style=\"font-size:14px;\">\u5982\u4f55\u56de\u6536cache\uff1f<\/span><br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p style=\"margin:10px auto;padding:0px;font-family:&quot;font-size:14px;white-space:normal;background-color:#FFFFFF;\">\n\t<span style=\"font-size:14px;\">Linux\u5185\u6838\u4f1a\u5728\u5185\u5b58\u5c06\u8981\u8017\u5c3d\u7684\u65f6\u5019\uff0c\u89e6\u53d1\u5185\u5b58\u56de\u6536\u7684\u5de5\u4f5c\uff0c\u4ee5\u4fbf\u91ca\u653e\u51fa\u5185\u5b58\u7ed9\u6025\u9700\u5185\u5b58\u7684\u8fdb\u7a0b\u4f7f\u7528\u3002\u4e00\u822c\u60c5\u51b5\u4e0b\uff0c\u8fd9\u4e2a\u64cd\u4f5c\u4e2d\u4e3b\u8981\u7684\u5185\u5b58\u91ca\u653e\u90fd\u6765\u81ea\u4e8e\u5bf9buffer\uff0fcache\u7684\u91ca\u653e\u3002\u5c24\u5176\u662f\u88ab\u4f7f\u7528\u66f4\u591a\u7684cache\u7a7a\u95f4\u3002\u65e2\u7136\u5b83\u4e3b\u8981\u7528\u6765\u505a\u7f13\u5b58\uff0c\u53ea\u662f\u5728\u5185\u5b58\u591f\u7528\u7684\u65f6\u5019\u52a0\u5feb\u8fdb\u7a0b\u5bf9\u6587\u4ef6\u7684\u8bfb\u5199\u901f\u5ea6\uff0c\u90a3\u4e48\u5728\u5185\u5b58\u538b\u529b\u8f83\u5927\u7684\u60c5\u51b5\u4e0b\uff0c\u5f53\u7136\u6709\u5fc5\u8981\u6e05\u7a7a\u91ca\u653ecache\uff0c\u4f5c\u4e3afree\u7a7a\u95f4\u5206\u7ed9\u76f8\u5173\u8fdb\u7a0b\u4f7f\u7528\u3002\u6240\u4ee5\u4e00\u822c\u60c5\u51b5\u4e0b\uff0c\u6211\u4eec\u8ba4\u4e3abuffer\/cache\u7a7a\u95f4\u53ef\u4ee5\u88ab\u91ca\u653e\uff0c\u8fd9\u4e2a\u7406\u89e3\u662f\u6b63\u786e\u7684\u3002<\/span>\n<\/p>\n<p style=\"margin:10px auto;padding:0px;font-family:&quot;font-size:14px;white-space:normal;background-color:#FFFFFF;\">\n\t<span style=\"font-size:14px;\">\u4f46\u662f\u8fd9\u79cd\u6e05\u7f13\u5b58\u7684\u5de5\u4f5c\u4e5f\u5e76\u4e0d\u662f\u6ca1\u6709\u6210\u672c\u3002\u7406\u89e3cache\u662f\u5e72\u4ec0\u4e48\u7684\u5c31\u53ef\u4ee5\u660e\u767d\u6e05\u7f13\u5b58\u5fc5\u987b\u4fdd\u8bc1cache\u4e2d\u7684\u6570\u636e\u8ddf\u5bf9\u5e94\u6587\u4ef6\u4e2d\u7684\u6570\u636e\u4e00\u81f4\uff0c\u624d\u80fd\u5bf9cache\u8fdb\u884c<\/span><a href=\"http:\/\/www.idcyunwei.org\/post\/162.html\" target=\"_blank\" style=\"margin:0px;padding:0px;outline:none;color:black;\"><span style=\"font-size:14px;\">\u91ca\u653e<\/span><\/a><span style=\"font-size:14px;\">\u3002<\/span><strong style=\"margin:0px;padding:0px;\"><span style=\"font-size:14px;\">\u6240\u4ee5\u4f34\u968f\u7740cache\u6e05\u9664\u7684\u884c\u4e3a\u7684\uff0c\u4e00\u822c\u90fd\u662f\u7cfb\u7edfIO\u98d9\u9ad8\u3002<\/span><\/strong><span style=\"font-size:14px;\">\u56e0\u4e3a\u5185\u6838\u8981\u5bf9\u6bd4cache\u4e2d\u7684\u6570\u636e\u548c\u5bf9\u5e94\u786c\u76d8\u6587\u4ef6\u4e0a\u7684\u6570\u636e\u662f\u5426\u4e00\u81f4\uff0c\u5982\u679c\u4e0d\u4e00\u81f4\u9700\u8981\u5199\u56de\uff0c\u4e4b\u540e\u624d\u80fd\u56de\u6536\u3002<\/span>\n<\/p>\n<p style=\"margin:10px auto;padding:0px;font-family:&quot;font-size:14px;white-space:normal;background-color:#FFFFFF;\">\n\t<span style=\"font-size:14px;\">\u5728\u7cfb\u7edf\u4e2d\u9664\u4e86\u5185\u5b58\u5c06\u88ab\u8017\u5c3d\u7684\u65f6\u5019\u53ef\u4ee5\u6e05\u7f13\u5b58\u4ee5\u5916\uff0c\u6211\u4eec\u8fd8\u53ef\u4ee5\u4f7f\u7528\u4e0b\u9762\u8fd9\u4e2a\u6587\u4ef6\u6765\u4eba\u5de5\u89e6\u53d1\u7f13\u5b58\u6e05\u9664\u7684\u64cd\u4f5c\uff1a<\/span>\n<\/p>\n<pre class=\"prism-highlight prism-language-bash\" style=\"margin-top:0px;margin-bottom:0px;padding:0px;white-space:pre-wrap;word-wrap:break-word;font-size:14px;background-color:#FFFFFF;\">[root@tencent64&nbsp;~]#&nbsp;cat&nbsp;\/proc\/sys\/vm\/drop_caches&nbsp;\r\n1<\/pre>\n<p style=\"margin:10px auto;padding:0px;font-family:&quot;font-size:14px;white-space:normal;background-color:#FFFFFF;\">\n\t<span style=\"font-size:14px;\">\u65b9\u6cd5\u662f\uff1a<\/span>\n<\/p>\n<pre class=\"prism-highlight prism-language-bash\" style=\"margin-top:0px;margin-bottom:0px;padding:0px;white-space:pre-wrap;word-wrap:break-word;font-size:14px;background-color:#FFFFFF;\">echo&nbsp;1&nbsp;&gt;&nbsp;\/proc\/sys\/vm\/drop_caches<\/pre>\n<p style=\"margin:10px auto;padding:0px;font-family:&quot;font-size:14px;white-space:normal;background-color:#FFFFFF;\">\n\t<span style=\"font-size:14px;\">\u5f53\u7136\uff0c\u8fd9\u4e2a\u6587\u4ef6\u53ef\u4ee5\u8bbe\u7f6e\u7684\u503c\u5206\u522b\u4e3a1\u30012\u30013\u3002\u5b83\u4eec\u6240\u8868\u793a\u7684\u542b\u4e49\u4e3a\uff1a<\/span>\n<\/p>\n<pre class=\"prism-highlight prism-language-bash\" style=\"margin-top:0px;margin-bottom:0px;padding:0px;white-space:pre-wrap;word-wrap:break-word;font-size:14px;background-color:#FFFFFF;\">echo&nbsp;1&nbsp;&gt;&nbsp;\/proc\/sys\/vm\/drop_caches:\u8868\u793a\u6e05\u9664pagecache\u3002\r\necho&nbsp;2&nbsp;&gt;&nbsp;\/proc\/sys\/vm\/drop_caches:\u8868\u793a\u6e05\u9664\u56de\u6536slab\u5206\u914d\u5668\u4e2d\u7684\u5bf9\u8c61\uff08\u5305\u62ec\u76ee\u5f55\u9879\u7f13\u5b58\u548cinode\u7f13\u5b58\uff09\u3002slab\u5206\u914d\u5668\u662f\u5185\u6838\u4e2d\u7ba1\u7406\u5185\u5b58\u7684\u4e00\u79cd\u673a\u5236\uff0c\u5176\u4e2d\u5f88\u591a\u7f13\u5b58\u6570\u636e\u5b9e\u73b0\u90fd\u662f\u7528\u7684pagecache\u3002\r\necho&nbsp;3&nbsp;&gt;&nbsp;\/proc\/sys\/vm\/drop_caches:\u8868\u793a\u6e05\u9664pagecache\u548cslab\u5206\u914d\u5668\u4e2d\u7684\u7f13\u5b58\u5bf9\u8c61\u3002<\/pre>\n<p style=\"margin:10px auto;padding:0px;font-family:&quot;font-size:14px;white-space:normal;background-color:#FFFFFF;\">\n\t<span style=\"font-size:14px;\">\u4f18\u5316\u540e\u622a\u56fe\u5982\u4e0b\uff1a<\/span>\n<\/p>\n<p style=\"margin:10px auto;padding:0px;font-family:&quot;font-size:14px;white-space:normal;background-color:#FFFFFF;\">\n\t<img decoding=\"async\" class=\"postimg\" title=\"2.png\" src=\"http:\/\/www.weizn.net\/content\/uploadfile\/201804\/71b4f5e09e996523da64167a8bd4ce9920180403170423.png\" alt=\"2.png\" data-tag=\"bdshare\" data-bd-imgshare-binded=\"1\" style=\"margin:0px;padding:0px;max-width:700px;\" \/><\/p>\n","protected":false},"excerpt":{"rendered":"<p style=\"margin:10px auto;padding:0px;font-family:&quot;font-size:14px;white-space:normal;background-color:#FFFFFF;\"><span style=\"font-size:14px;\">\u5728Linux\u7cfb\u7edf\u4e2d\uff0c\u6211\u4eec\u7ecf\u5e38\u7528free\u547d\u4ee4\u6765\u67e5\u770b\u7cfb\u7edf\u5185\u5b58\u7684\u4f7f\u7528\u72b6\u6001\u3002\u5728\u4e00\u4e2aRHEL6\u7684\u7cfb\u7edf\u4e0a\uff0c<\/span><a href=\"http:\/\/www.idcyunwei.org\/post\/162.html\" target=\"_blank\" style=\"margin:0px;padding:0px;outline:none;color:black;\"><span style=\"font-size:14px;\">free\u547d\u4ee4<\/span><\/a><span style=\"font-size:14px;\">\u7684\u663e\u793a\u5185\u5bb9\u5927\u6982\u662f\u8fd9\u6837\u4e00\u4e2a\u72b6\u6001\uff1a<\/span><\/p>\n<p style=\"margin:10px auto;padding:0px;font-family:&quot;font-size:14px;white-space:normal;background-color:#FFFFFF;\"><img decoding=\"async\" class=\"postimg\" title=\"1.png\" src=\"http:\/\/www.weizn.net\/content\/uploadfile\/201804\/4e3a8dae09a3255a9faf5880beaa387220180403170422.png\" alt=\"1.png\" data-tag=\"bdshare\" data-bd-imgshare-binded=\"1\" style=\"margin:0px;padding:0px;max-width:700px;\" \/><\/p>\n<p style=\"margin:10px auto;padding:0px;font-family:&quot;font-size:14px;white-space:normal;background-color:#FFFFFF;\"><span style=\"font-size:14px;\">\u8fd9\u91cc\u7684\u9ed8\u8ba4\u663e\u793a\u5355\u4f4d\u662fkb\uff0c\u6211\u7684\u670d\u52a1\u5668\u662f128G\u5185\u5b58\uff0c\u6240\u4ee5\u6570\u5b57\u663e\u5f97\u6bd4\u8f83\u5927\u3002\u8fd9\u4e2a\u547d\u4ee4\u51e0\u4e4e\u662f\u6bcf\u4e00\u4e2a\u4f7f\u7528\u8fc7Linux\u7684\u4eba\u5fc5\u4f1a\u7684\u547d\u4ee4\uff0c\u4f46\u8d8a\u662f\u8fd9\u6837\u7684\u547d\u4ee4\uff0c\u4f3c\u4e4e\u771f\u6b63\u660e\u767d\u7684\u4eba\u8d8a\u5c11\uff08\u6211\u662f\u8bf4\u6bd4\u4f8b\u8d8a\u5c11\uff09\u3002\u4e00\u822c\u60c5\u51b5\u4e0b\uff0c\u5bf9\u6b64\u547d\u4ee4\u8f93\u51fa\u7684\u7406\u89e3\u53ef\u4ee5\u5206\u8fd9\u51e0\u4e2a\u5c42\u6b21\uff1a<\/span><\/p>\n<ol class=\" list-paddingleft-2\" type=\"1\" start=\"1\" style=\"margin:0px;padding:0px 0px 0px 40px;font-family:&quot;font-size:14px;white-space:normal;background-color:#FFFFFF;\">\n<li style=\"margin:0px 0px 1em;padding:0px;list-style:decimal;\">\n<p style=\"margin:10px auto;padding:0px;\"><span style=\"font-size:14px;\">\u4e0d\u4e86\u89e3\u3002\u8fd9\u6837\u7684\u4eba\u7684\u7b2c\u4e00\u53cd\u5e94\u662f\uff1a\u5929\u554a&#8230;<\/span><\/p>\n<\/li>\n<\/ol>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[332],"tags":[],"class_list":["post-235","post","type-post","status-publish","format-standard","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v16.9 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>[\u8f6c] Linux\u4e2dCache\u5185\u5b58\u5360\u7528\u8fc7\u9ad8\u89e3\u51b3\u529e\u6cd5 - Wayne&#039;s Blog<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"http:\/\/weizn.net\/?p=235\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"[\u8f6c] Linux\u4e2dCache\u5185\u5b58\u5360\u7528\u8fc7\u9ad8\u89e3\u51b3\u529e\u6cd5 - Wayne&#039;s Blog\" \/>\n<meta property=\"og:description\" content=\"\u5728Linux\u7cfb\u7edf\u4e2d\uff0c\u6211\u4eec\u7ecf\u5e38\u7528free\u547d\u4ee4\u6765\u67e5\u770b\u7cfb\u7edf\u5185\u5b58\u7684\u4f7f\u7528\u72b6\u6001\u3002\u5728\u4e00\u4e2aRHEL6\u7684\u7cfb\u7edf\u4e0a\uff0cfree\u547d\u4ee4\u7684\u663e\u793a\u5185\u5bb9\u5927\u6982\u662f\u8fd9\u6837\u4e00\u4e2a\u72b6\u6001\uff1a\u8fd9\u91cc\u7684\u9ed8\u8ba4\u663e\u793a\u5355\u4f4d\u662fkb\uff0c\u6211\u7684\u670d\u52a1\u5668\u662f128G\u5185\u5b58\uff0c\u6240\u4ee5\u6570\u5b57\u663e\u5f97\u6bd4\u8f83\u5927\u3002\u8fd9\u4e2a\u547d\u4ee4\u51e0\u4e4e\u662f\u6bcf\u4e00\u4e2a\u4f7f\u7528\u8fc7Linux\u7684\u4eba\u5fc5\u4f1a\u7684\u547d\u4ee4\uff0c\u4f46\u8d8a\u662f\u8fd9\u6837\u7684\u547d\u4ee4\uff0c\u4f3c\u4e4e\u771f\u6b63\u660e\u767d\u7684\u4eba\u8d8a\u5c11\uff08\u6211\u662f\u8bf4\u6bd4\u4f8b\u8d8a\u5c11\uff09\u3002\u4e00\u822c\u60c5\u51b5\u4e0b\uff0c\u5bf9\u6b64\u547d\u4ee4\u8f93\u51fa\u7684\u7406\u89e3\u53ef\u4ee5\u5206\u8fd9\u51e0\u4e2a\u5c42\u6b21\uff1a\u4e0d\u4e86\u89e3\u3002\u8fd9\u6837\u7684\u4eba\u7684\u7b2c\u4e00\u53cd\u5e94\u662f\uff1a\u5929\u554a...\" \/>\n<meta property=\"og:url\" content=\"http:\/\/weizn.net\/?p=235\" \/>\n<meta property=\"og:site_name\" content=\"Wayne&#039;s Blog\" \/>\n<meta property=\"article:published_time\" content=\"2017-04-03T18:01:56+00:00\" \/>\n<meta property=\"og:image\" content=\"http:\/\/www.weizn.net\/content\/uploadfile\/201804\/4e3a8dae09a3255a9faf5880beaa387220180403170422.png\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u4f5c\u8005\" \/>\n\t<meta name=\"twitter:data1\" content=\"zinan\" \/>\n\t<meta name=\"twitter:label2\" content=\"\u9884\u8ba1\u9605\u8bfb\u65f6\u95f4\" \/>\n\t<meta name=\"twitter:data2\" content=\"1 \u5206\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebSite\",\"@id\":\"http:\/\/weizn.net\/#website\",\"url\":\"http:\/\/weizn.net\/\",\"name\":\"Wayne&#039;s Blog\",\"description\":\"\",\"publisher\":{\"@id\":\"http:\/\/weizn.net\/#\/schema\/person\/e88bc12c590502d8b6249326f960b264\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"http:\/\/weizn.net\/?s={search_term_string}\"},\"query-input\":\"required name=search_term_string\"}],\"inLanguage\":\"zh-Hans\"},{\"@type\":\"ImageObject\",\"@id\":\"http:\/\/weizn.net\/?p=235#primaryimage\",\"inLanguage\":\"zh-Hans\",\"url\":\"http:\/\/www.weizn.net\/content\/uploadfile\/201804\/4e3a8dae09a3255a9faf5880beaa387220180403170422.png\",\"contentUrl\":\"http:\/\/www.weizn.net\/content\/uploadfile\/201804\/4e3a8dae09a3255a9faf5880beaa387220180403170422.png\"},{\"@type\":\"WebPage\",\"@id\":\"http:\/\/weizn.net\/?p=235#webpage\",\"url\":\"http:\/\/weizn.net\/?p=235\",\"name\":\"[\\u8f6c] Linux\\u4e2dCache\\u5185\\u5b58\\u5360\\u7528\\u8fc7\\u9ad8\\u89e3\\u51b3\\u529e\\u6cd5 - Wayne&#039;s Blog\",\"isPartOf\":{\"@id\":\"http:\/\/weizn.net\/#website\"},\"primaryImageOfPage\":{\"@id\":\"http:\/\/weizn.net\/?p=235#primaryimage\"},\"datePublished\":\"2017-04-03T18:01:56+00:00\",\"dateModified\":\"2017-04-03T18:01:56+00:00\",\"breadcrumb\":{\"@id\":\"http:\/\/weizn.net\/?p=235#breadcrumb\"},\"inLanguage\":\"zh-Hans\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"http:\/\/weizn.net\/?p=235\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"http:\/\/weizn.net\/?p=235#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"\\u9996\\u9875\",\"item\":\"http:\/\/weizn.net\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"[\\u8f6c] Linux\\u4e2dCache\\u5185\\u5b58\\u5360\\u7528\\u8fc7\\u9ad8\\u89e3\\u51b3\\u529e\\u6cd5\"}]},{\"@type\":\"Article\",\"@id\":\"http:\/\/weizn.net\/?p=235#article\",\"isPartOf\":{\"@id\":\"http:\/\/weizn.net\/?p=235#webpage\"},\"author\":{\"@id\":\"http:\/\/weizn.net\/#\/schema\/person\/e88bc12c590502d8b6249326f960b264\"},\"headline\":\"[\\u8f6c] Linux\\u4e2dCache\\u5185\\u5b58\\u5360\\u7528\\u8fc7\\u9ad8\\u89e3\\u51b3\\u529e\\u6cd5\",\"datePublished\":\"2017-04-03T18:01:56+00:00\",\"dateModified\":\"2017-04-03T18:01:56+00:00\",\"mainEntityOfPage\":{\"@id\":\"http:\/\/weizn.net\/?p=235#webpage\"},\"wordCount\":97,\"commentCount\":0,\"publisher\":{\"@id\":\"http:\/\/weizn.net\/#\/schema\/person\/e88bc12c590502d8b6249326f960b264\"},\"image\":{\"@id\":\"http:\/\/weizn.net\/?p=235#primaryimage\"},\"thumbnailUrl\":\"http:\/\/www.weizn.net\/content\/uploadfile\/201804\/4e3a8dae09a3255a9faf5880beaa387220180403170422.png\",\"articleSection\":[\"Linux\"],\"inLanguage\":\"zh-Hans\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"http:\/\/weizn.net\/?p=235#respond\"]}]},{\"@type\":[\"Person\",\"Organization\"],\"@id\":\"http:\/\/weizn.net\/#\/schema\/person\/e88bc12c590502d8b6249326f960b264\",\"name\":\"zinan\",\"logo\":{\"@id\":\"http:\/\/weizn.net\/#personlogo\"}}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"[\u8f6c] Linux\u4e2dCache\u5185\u5b58\u5360\u7528\u8fc7\u9ad8\u89e3\u51b3\u529e\u6cd5 - Wayne&#039;s Blog","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"http:\/\/weizn.net\/?p=235","og_locale":"zh_CN","og_type":"article","og_title":"[\u8f6c] Linux\u4e2dCache\u5185\u5b58\u5360\u7528\u8fc7\u9ad8\u89e3\u51b3\u529e\u6cd5 - Wayne&#039;s Blog","og_description":"\u5728Linux\u7cfb\u7edf\u4e2d\uff0c\u6211\u4eec\u7ecf\u5e38\u7528free\u547d\u4ee4\u6765\u67e5\u770b\u7cfb\u7edf\u5185\u5b58\u7684\u4f7f\u7528\u72b6\u6001\u3002\u5728\u4e00\u4e2aRHEL6\u7684\u7cfb\u7edf\u4e0a\uff0cfree\u547d\u4ee4\u7684\u663e\u793a\u5185\u5bb9\u5927\u6982\u662f\u8fd9\u6837\u4e00\u4e2a\u72b6\u6001\uff1a\u8fd9\u91cc\u7684\u9ed8\u8ba4\u663e\u793a\u5355\u4f4d\u662fkb\uff0c\u6211\u7684\u670d\u52a1\u5668\u662f128G\u5185\u5b58\uff0c\u6240\u4ee5\u6570\u5b57\u663e\u5f97\u6bd4\u8f83\u5927\u3002\u8fd9\u4e2a\u547d\u4ee4\u51e0\u4e4e\u662f\u6bcf\u4e00\u4e2a\u4f7f\u7528\u8fc7Linux\u7684\u4eba\u5fc5\u4f1a\u7684\u547d\u4ee4\uff0c\u4f46\u8d8a\u662f\u8fd9\u6837\u7684\u547d\u4ee4\uff0c\u4f3c\u4e4e\u771f\u6b63\u660e\u767d\u7684\u4eba\u8d8a\u5c11\uff08\u6211\u662f\u8bf4\u6bd4\u4f8b\u8d8a\u5c11\uff09\u3002\u4e00\u822c\u60c5\u51b5\u4e0b\uff0c\u5bf9\u6b64\u547d\u4ee4\u8f93\u51fa\u7684\u7406\u89e3\u53ef\u4ee5\u5206\u8fd9\u51e0\u4e2a\u5c42\u6b21\uff1a\u4e0d\u4e86\u89e3\u3002\u8fd9\u6837\u7684\u4eba\u7684\u7b2c\u4e00\u53cd\u5e94\u662f\uff1a\u5929\u554a...","og_url":"http:\/\/weizn.net\/?p=235","og_site_name":"Wayne&#039;s Blog","article_published_time":"2017-04-03T18:01:56+00:00","og_image":[{"url":"http:\/\/www.weizn.net\/content\/uploadfile\/201804\/4e3a8dae09a3255a9faf5880beaa387220180403170422.png"}],"twitter_card":"summary_large_image","twitter_misc":{"\u4f5c\u8005":"zinan","\u9884\u8ba1\u9605\u8bfb\u65f6\u95f4":"1 \u5206"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebSite","@id":"http:\/\/weizn.net\/#website","url":"http:\/\/weizn.net\/","name":"Wayne&#039;s Blog","description":"","publisher":{"@id":"http:\/\/weizn.net\/#\/schema\/person\/e88bc12c590502d8b6249326f960b264"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"http:\/\/weizn.net\/?s={search_term_string}"},"query-input":"required name=search_term_string"}],"inLanguage":"zh-Hans"},{"@type":"ImageObject","@id":"http:\/\/weizn.net\/?p=235#primaryimage","inLanguage":"zh-Hans","url":"http:\/\/www.weizn.net\/content\/uploadfile\/201804\/4e3a8dae09a3255a9faf5880beaa387220180403170422.png","contentUrl":"http:\/\/www.weizn.net\/content\/uploadfile\/201804\/4e3a8dae09a3255a9faf5880beaa387220180403170422.png"},{"@type":"WebPage","@id":"http:\/\/weizn.net\/?p=235#webpage","url":"http:\/\/weizn.net\/?p=235","name":"[\u8f6c] Linux\u4e2dCache\u5185\u5b58\u5360\u7528\u8fc7\u9ad8\u89e3\u51b3\u529e\u6cd5 - Wayne&#039;s Blog","isPartOf":{"@id":"http:\/\/weizn.net\/#website"},"primaryImageOfPage":{"@id":"http:\/\/weizn.net\/?p=235#primaryimage"},"datePublished":"2017-04-03T18:01:56+00:00","dateModified":"2017-04-03T18:01:56+00:00","breadcrumb":{"@id":"http:\/\/weizn.net\/?p=235#breadcrumb"},"inLanguage":"zh-Hans","potentialAction":[{"@type":"ReadAction","target":["http:\/\/weizn.net\/?p=235"]}]},{"@type":"BreadcrumbList","@id":"http:\/\/weizn.net\/?p=235#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"\u9996\u9875","item":"http:\/\/weizn.net\/"},{"@type":"ListItem","position":2,"name":"[\u8f6c] Linux\u4e2dCache\u5185\u5b58\u5360\u7528\u8fc7\u9ad8\u89e3\u51b3\u529e\u6cd5"}]},{"@type":"Article","@id":"http:\/\/weizn.net\/?p=235#article","isPartOf":{"@id":"http:\/\/weizn.net\/?p=235#webpage"},"author":{"@id":"http:\/\/weizn.net\/#\/schema\/person\/e88bc12c590502d8b6249326f960b264"},"headline":"[\u8f6c] Linux\u4e2dCache\u5185\u5b58\u5360\u7528\u8fc7\u9ad8\u89e3\u51b3\u529e\u6cd5","datePublished":"2017-04-03T18:01:56+00:00","dateModified":"2017-04-03T18:01:56+00:00","mainEntityOfPage":{"@id":"http:\/\/weizn.net\/?p=235#webpage"},"wordCount":97,"commentCount":0,"publisher":{"@id":"http:\/\/weizn.net\/#\/schema\/person\/e88bc12c590502d8b6249326f960b264"},"image":{"@id":"http:\/\/weizn.net\/?p=235#primaryimage"},"thumbnailUrl":"http:\/\/www.weizn.net\/content\/uploadfile\/201804\/4e3a8dae09a3255a9faf5880beaa387220180403170422.png","articleSection":["Linux"],"inLanguage":"zh-Hans","potentialAction":[{"@type":"CommentAction","name":"Comment","target":["http:\/\/weizn.net\/?p=235#respond"]}]},{"@type":["Person","Organization"],"@id":"http:\/\/weizn.net\/#\/schema\/person\/e88bc12c590502d8b6249326f960b264","name":"zinan","logo":{"@id":"http:\/\/weizn.net\/#personlogo"}}]}},"_links":{"self":[{"href":"http:\/\/weizn.net\/index.php?rest_route=\/wp\/v2\/posts\/235","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/weizn.net\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/weizn.net\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/weizn.net\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/weizn.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=235"}],"version-history":[{"count":0,"href":"http:\/\/weizn.net\/index.php?rest_route=\/wp\/v2\/posts\/235\/revisions"}],"wp:attachment":[{"href":"http:\/\/weizn.net\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=235"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/weizn.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=235"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/weizn.net\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=235"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}