{"id":5445,"date":"2020-08-25T16:32:15","date_gmt":"2020-08-25T08:32:15","guid":{"rendered":"http:\/\/39.97.231.10\/?p=5445"},"modified":"2020-08-25T16:32:15","modified_gmt":"2020-08-25T08:32:15","slug":"%e5%a6%82%e4%bd%95%e5%9c%a8centos-7%e4%b8%8a%e6%b7%bb%e5%8a%a0swap","status":"publish","type":"post","link":"http:\/\/www.weijing.co\/?p=5445","title":{"rendered":"\u5982\u4f55\u5728CentOS 7\u4e0a\u6dfb\u52a0Swap"},"content":{"rendered":"<div class=\\\"col-2-article-header\\\">\n<h1 class=\\\"article-title J-articleTitle\\\"><span style=\\\"font-size: 1rem; color: #000000;\\\">\u4f7f\u670d\u52a1\u5668\u54cd\u5e94\u66f4\u5feb\uff0c\u5e76\u9632\u6b62\u5e94\u7528\u7a0b\u5e8f\u4e2d\u51fa\u73b0\u5185\u5b58\u4e0d\u8db3\u9519\u8bef\u7684\u6700\u7b80\u5355\u65b9\u6cd5\u4e4b\u4e00\u662f\u6dfb\u52a0\u4e00\u4e9bswap\u7a7a\u95f4<\/span><span style=\\\"font-size: 1rem; color: #000000;\\\">\u3002<\/span><strong style=\\\"font-size: 1rem; color: #000000;\\\">Swap<\/strong><span style=\\\"font-size: 1rem; color: #000000;\\\">\u662f\u5b58\u50a8\u9a71\u52a8\u5668\u4e0a\u7684\u4e00\u4e2a\u533a\u57df\uff0c\u64cd\u4f5c\u7cfb\u7edf\u53ef\u4ee5\u5728\u8be5\u533a\u57df\u4e34\u65f6\u5b58\u50a8\u65e0\u6cd5\u518d\u4fdd\u5b58\u5728\u5185\u5b58\u4e2d\u7684\u6570\u636e\u3002<\/span><\/h1>\n<\/div>\n<div class=\\\"com-markdown-collpase\\\">\n<div class=\\\"com-markdown-collpase-main\\\">\n<div class=\\\"rno-markdown J-articleContent\\\">\n\u8fd9\u4f7f\u60a8\u80fd\u591f\u589e\u52a0\u670d\u52a1\u5668\u53ef\u4ee5\u4fdd\u7559\u5728\u5176\u5de5\u4f5c\u5185\u5b58\u4e2d\u7684\u4fe1\u606f\u91cf\uff0c\u4f46\u6709\u4e00\u4e9b\u6ce8\u610f\u4e8b\u9879\u3002\u5bf9\u4e8e\u8bfb\u53d6\u548c\u5199\u5165\uff0cswap\u6bd4\u4f7f\u7528\u5185\u5b58\u6162\uff0c\u4f46\u5b83\u53ef\u4ee5\u4e3a\u60a8\u7684\u670d\u52a1\u5668\u5185\u5b58\u4e0d\u8db3\u63d0\u4f9b\u826f\u597d\u7684\u5b89\u5168\u7f51\u3002<br \/>\n\u6ca1\u6709Swap\uff0c\u5185\u5b58\u4e0d\u8db3\u7684\u670d\u52a1\u5668\u53ef\u80fd\u4f1a\u5f00\u59cb\u67e5\u6740\u5e94\u7528\u7a0b\u5e8f\u4ee5\u91ca\u653e\u5185\u5b58\uff0c\u751a\u81f3\u5d29\u6e83\u3002\u8fd9\u53ef\u80fd\u4f1a\u5bfc\u81f4\u60a8\u4e22\u5931\u672a\u4fdd\u5b58\u7684\u6570\u636e\u6216\u9047\u5230\u505c\u673a\u3002\u4e3a\u786e\u4fdd\u53ef\u9760\u7684\u6570\u636e\u8bbf\u95ee\uff0c\u67d0\u4e9b\u5e94\u7528\u7a0b\u5e8f\u9700\u8981Swap\u529f\u80fd\u3002<br \/>\n\u5728\u672c\u6559\u7a0b\u4e2d\uff0c\u6211\u4eec\u5c06\u4ecb\u7ecd\u5982\u4f55\u5728CentOS 7\u670d\u52a1\u5668\u4e0a\u521b\u5efa\u548c\u542f\u7528Swap\u6587\u4ef6\u3002<\/p>\n<blockquote><p><strong>\u6ce8\u610f<\/strong> \u5c3d\u7ba1swap\u901a\u5e38\u88ab\u5efa\u8bae\u5bf9\u4f7f\u7528\u4f20\u7edf\u65cb\u8f6c\u786c\u76d8\u9a71\u52a8\u5668\u7684\u7cfb\u7edf\uff0c\u4f46\u4f7f\u7528SSDs\u7684swap\u53ef\u80fd\u4f1a\u5bfc\u81f4\u786c\u4ef6\u968f\u7740\u65f6\u95f4\u7684\u63a8\u79fb\u800c\u51fa\u73b0\u95ee\u9898\u3002\u51fa\u4e8e\u8fd9\u79cd\u8003\u8651\uff0c\u6211\u4eec\u4e0d\u5efa\u8bae\u4efb\u4f55\u5176\u4ed6\u4f7f\u7528SSD\u5b58\u50a8\u7684\u63d0\u4f9b\u5546\u4e0a\u542f\u7528Swap\u3002\u8fd9\u6837\u505a\u4f1a\u5f71\u54cd\u5e95\u5c42\u786c\u4ef6\u7684\u53ef\u9760\u6027\u3002<\/p><\/blockquote>\n<h2 id=\\\"%E5%87%86%E5%A4%87\\\"><strong>\u51c6\u5907<\/strong><\/h2>\n<p>\u5728\u5f00\u59cb\u672c\u6559\u7a0b\u4e4b\u524d\uff0c\u9700\u8981\u5148\u5b8c\u6210\u51e0\u4e2a\u6b65\u9aa4\u3002<\/p>\n<ul class=\\\"ul-level-0\\\">\n<li>\u9700\u8981CentOS 7\u670d\u52a1\u5668\uff0c\u5177\u6709sudo\u6743\u9650\u7684\u975eroot\u7528\u6237\u3002<\/li>\n<\/ul>\n<p>\u62e5\u6709\u975eroot\u7528\u6237\u540e\uff0c\u53ef\u4ee5\u4f7f\u7528\u5b83\u6765SSH\u5230CentOS\u670d\u52a1\u5668\u5e76\u7ee7\u7eed\u5b89\u88c5swap\u6587\u4ef6\u3002\u6ca1\u6709\u670d\u52a1\u5668\u7684\u7528\u6237\u53ef\u4ee5\u8d2d\u4e70\u548c\u4f7f\u7528<a href=\\\"https:\/\/cloud.tencent.com\/product\/cvm?from=10680\\\" target=\\\"_blank\\\" rel=\\\"noopener noreferrer\\\" data-from=\\\"10680\\\">\u817e\u8baf\u4e91\u670d\u52a1\u5668<\/a>\u6216\u8005\u76f4\u63a5\u5728<a href=\\\"https:\/\/cloud.tencent.com\/developer\/labs\/gallery?tagId=13&amp;from=10680\\\" target=\\\"_blank\\\" rel=\\\"noopener noreferrer\\\" data-from=\\\"10680\\\">\u817e\u8baf\u4e91\u5b9e\u9a8c\u5ba4CentOS\u670d\u52a1\u5668<\/a>\u4e0a\u4f53\u9a8c\u3002<\/p>\n<h2 id=\\\"%E6%A3%80%E6%9F%A5%E7%B3%BB%E7%BB%9Fswap%E4%BF%A1%E6%81%AF\\\"><strong>\u68c0\u67e5\u7cfb\u7edfswap\u4fe1\u606f<\/strong><\/h2>\n<p>\u5728\u5f00\u59cb\u4e4b\u524d\uff0c\u6211\u4eec\u5e94\u8be5\u67e5\u770b\u670d\u52a1\u5668\u7684\u5b58\u50a8\uff0c\u770b\u770b\u6211\u4eec\u662f\u5426\u5df2\u7ecf\u6709\u4e00\u4e9b\u53ef\u7528\u7684Swap\u7a7a\u95f4\u3002\u867d\u7136\u6211\u4eec\u53ef\u4ee5\u6709\u591a\u4e2aSwap\u6587\u4ef6\u6216Swap\u5206\u533a\uff0c\u4f46\u901a\u5e38\u5e94\u8be5\u8db3\u591f\u4e86\u3002<br \/>\n\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7\u4f7f\u7528swapon\u901a\u7528\u4ea4\u6362\u5b9e\u7528\u7a0b\u5e8f\u6765\u67e5\u770b\u7cfb\u7edf\u662f\u5426\u5177\u6709\u4efb\u4f55\u5df2\u914d\u7f6e\u7684swap\u3002\u4f7f\u7528<code>-s<\/code>\u6807\u5fd7\uff0cswapon\u5c06\u5728\u6211\u4eec\u7684\u5b58\u50a8\u8bbe\u5907\u4e0a\u663e\u793aswap\u4f7f\u7528\u60c5\u51b5\u548c\u53ef\u7528\u6027\u7684\u6458\u8981\uff1a<\/p>\n<pre class=\\\"prism-token token  language-js\\\">swapon <span class=\\\"token operator\\\">-<\/span>s<\/pre>\n<p>\u5982\u679c\u8be5\u547d\u4ee4\u6ca1\u6709\u8fd4\u56de\u4efb\u4f55\u5185\u5bb9\uff0c\u5219\u6458\u8981\u4e3a\u7a7a\u5e76\u4e14\u4e0d\u5b58\u5728swap\u6587\u4ef6\u3002<br \/>\n\u53e6\u4e00\u79cd\u68c0\u67e5swap\u7a7a\u95f4\u7684\u65b9\u6cd5\u662f\u4f7f\u7528free\u5b9e\u7528\u7a0b\u5e8f\uff0c\u5b83\u5411\u6211\u4eec\u663e\u793a\u7cfb\u7edf\u7684\u603b\u4f53\u5185\u5b58\u4f7f\u7528\u60c5\u51b5\u3002\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7\u8f93\u5165\u4ee5\u4e0b\u5185\u5bb9\u6765\u67e5\u770b\u5f53\u524d\u5185\u5b58\u548cswap\u4f7f\u7528\u60c5\u51b5\uff08\u4ee5\u5146\u5b57\u8282\u4e3a\u5355\u4f4d\uff09\uff1a<\/p>\n<pre class=\\\"prism-token token  language-js\\\">free <span class=\\\"token operator\\\">-<\/span>m<\/pre>\n<pre class=\\\"prism-token token  language-js\\\">             total       used       free     shared    buffers     cached\nMem<span class=\\\"token punctuation\\\">:<\/span>          <span class=\\\"token number\\\">3953<\/span>        <span class=\\\"token number\\\">315<\/span>       <span class=\\\"token number\\\">3637<\/span>          <span class=\\\"token number\\\">8<\/span>         <span class=\\\"token number\\\">11<\/span>        <span class=\\\"token number\\\">107<\/span>\n<span class=\\\"token operator\\\">-<\/span><span class=\\\"token operator\\\">\/<\/span><span class=\\\"token operator\\\">+<\/span> buffers<span class=\\\"token operator\\\">\/<\/span>cache<span class=\\\"token punctuation\\\">:<\/span>        <span class=\\\"token number\\\">196<\/span>       <span class=\\\"token number\\\">3756<\/span>\nSwap<span class=\\\"token punctuation\\\">:<\/span>            <span class=\\\"token number\\\">0<\/span>          <span class=\\\"token number\\\">0<\/span>       <span class=\\\"token number\\\">4095<\/span><\/pre>\n<p>\u5982\u60a8\u6240\u89c1\uff0c\u7cfb\u7edf\u4e2d\u7684\u603bswap\u7a7a\u95f4\u4e3a0.\u8fd9\u4e0e\u6211\u4eec\u6240\u770b\u5230\u7684swapon\u76f8\u7b26\u3002<\/p>\n<h2 id=\\\"%E6%A3%80%E6%9F%A5%E5%8F%AF%E7%94%A8%E5%AD%98%E5%82%A8%E7%A9%BA%E9%97%B4\\\"><strong>\u68c0\u67e5\u53ef\u7528\u5b58\u50a8\u7a7a\u95f4<\/strong><\/h2>\n<p>\u4e3aswap\u5206\u914d\u7a7a\u95f4\u7684\u5178\u578b\u65b9\u6cd5\u662f\u4f7f\u7528\u4e13\u7528\u4e8e\u8be5\u4efb\u52a1\u7684\u5355\u72ec\u5206\u533a\u3002\u4f46\u662f\uff0c\u7531\u4e8e\u786c\u4ef6\u6216\u8f6f\u4ef6\u9650\u5236\uff0c\u5e76\u4e0d\u603b\u662f\u53ef\u4ee5\u6539\u53d8\u5206\u533a\u65b9\u6848\u3002\u5e78\u8fd0\u7684\u662f\uff0c\u6211\u4eec\u53ef\u4ee5\u8f7b\u677e\u521b\u5efa\u9a7b\u7559\u5728\u73b0\u6709\u5206\u533a\u4e0a\u7684swap\u6587\u4ef6\u3002<br \/>\n\u5728\u6211\u4eec\u8fd9\u6837\u505a\u4e4b\u524d\uff0c\u6211\u4eec\u5e94\u8be5\u4e86\u89e3\u5f53\u524d\u7684\u9a71\u52a8\u5668\u4f7f\u7528\u60c5\u51b5\u3002\u6211\u4eec\u53ef\u4ee5\u8f93\u5165\u4ee5\u4e0b\u4fe1\u606f\u6765\u83b7\u53d6\u6b64\u4fe1\u606f<\/p>\n<pre class=\\\"prism-token token  language-js\\\">df <span class=\\\"token operator\\\">-<\/span>h<\/pre>\n<pre class=\\\"prism-token token  language-js\\\">Filesystem      Size  Used Avail Use<span class=\\\"token operator\\\">%<\/span> Mounted on\n<span class=\\\"token operator\\\">\/<\/span>dev<span class=\\\"token regex\\\">\/vda1        59G  1.5G   55G   3% \/<\/span>\ndevtmpfs        <span class=\\\"token number\\\">2<\/span><span class=\\\"token punctuation\\\">.<\/span>0G     <span class=\\\"token number\\\">0<\/span>  <span class=\\\"token number\\\">2<\/span><span class=\\\"token punctuation\\\">.<\/span>0G   <span class=\\\"token number\\\">0<\/span><span class=\\\"token operator\\\">%<\/span> <span class=\\\"token operator\\\">\/<\/span>dev\ntmpfs           <span class=\\\"token number\\\">2<\/span><span class=\\\"token punctuation\\\">.<\/span>0G     <span class=\\\"token number\\\">0<\/span>  <span class=\\\"token number\\\">2<\/span><span class=\\\"token punctuation\\\">.<\/span>0G   <span class=\\\"token number\\\">0<\/span><span class=\\\"token operator\\\">%<\/span> <span class=\\\"token operator\\\">\/<\/span>dev<span class=\\\"token operator\\\">\/<\/span>shm\ntmpfs           <span class=\\\"token number\\\">2<\/span><span class=\\\"token punctuation\\\">.<\/span>0G  <span class=\\\"token number\\\">8<\/span><span class=\\\"token punctuation\\\">.<\/span>3M  <span class=\\\"token number\\\">2<\/span><span class=\\\"token punctuation\\\">.<\/span>0G   <span class=\\\"token number\\\">1<\/span><span class=\\\"token operator\\\">%<\/span> <span class=\\\"token operator\\\">\/<\/span>run\ntmpfs           <span class=\\\"token number\\\">2<\/span><span class=\\\"token punctuation\\\">.<\/span>0G     <span class=\\\"token number\\\">0<\/span>  <span class=\\\"token number\\\">2<\/span><span class=\\\"token punctuation\\\">.<\/span>0G   <span class=\\\"token number\\\">0<\/span><span class=\\\"token operator\\\">%<\/span> <span class=\\\"token operator\\\">\/<\/span>sys<span class=\\\"token operator\\\">\/<\/span>fs<span class=\\\"token operator\\\">\/<\/span>cgroup<\/pre>\n<blockquote><p><strong>\u6ce8\u610f\uff1a<\/strong><code>-h<\/code>\u6807\u5fd7\u53ea\u662f\u544a\u8bc9\u60a8<code>dh<\/code>\u4ee5\u4eba\u6027\u5316\u7684\u9605\u8bfb\u683c\u5f0f\u8f93\u51fa\u9a71\u52a8\u5668\u4fe1\u606f\u3002\u4f8b\u5982\uff0c\u4e0d\u662f\u5728\u5206\u533a\u4e2d\u8f93\u51fa\u539f\u59cb\u5185\u5b58\u5757\u6570\uff0c\u800c\u662f<code>df-h<\/code>\u544a\u8bc9\u6211\u4eecM\uff08\u5146\u5b57\u8282\uff09\u6216G\uff08\u5343\u5146\u5b57\u8282\uff09\u7684\u7a7a\u95f4\u4f7f\u7528\u60c5\u51b5\u548c\u53ef\u7528\u6027\u3002<\/p><\/blockquote>\n<p>\u6b63\u5982\u60a8\u5728\u7b2c\u4e00\u884c\u6240\u770b\u5230\u7684\uff0c\u6211\u4eec\u7684\u5b58\u50a8\u5206\u533a\u670959\u5343\u5146\u5b57\u8282\uff0c\u56e0\u6b64\u6211\u4eec\u6709\u76f8\u5f53\u591a\u7684\u7a7a\u95f4\u53ef\u4f9b\u4f7f\u7528\uff0c\u60a8\u7684\u5b9e\u9645\u4f7f\u7528\u60c5\u51b5\u53ef\u80fd\u4f1a\u6709\u5f88\u5927\u4e0d\u540c\u3002<br \/>\n\u867d\u7136\u5bf9\u4ea4\u6362\u7a7a\u95f4\u7684\u9002\u5f53\u5927\u5c0f\u6709\u5f88\u591a\u610f\u89c1\uff0c\u4f46\u8fd9\u5b9e\u9645\u4e0a\u53d6\u51b3\u4e8e\u60a8\u7684\u5e94\u7528\u7a0b\u5e8f\u8981\u6c42\u548c\u60a8\u7684\u4e2a\u4eba\u504f\u597d\u3002\u901a\u5e38\uff0c\u7b49\u4e8e\u6216\u4e24\u500d\u7cfb\u7edf\u5185\u5b58\u91cf\u6bd4\u8f83\u597d\u3002<br \/>\n\u7531\u4e8e\u6211\u7684\u7cfb\u7edf\u67094\u5343\u5146\u5b57\u8282\u7684\u5185\u5b58\uff0c\u5e76\u4e14\u4ece\u6211\u7684\u5b58\u50a8\u7a7a\u95f4\u4e2d\u83b7\u53d6\u7684\u5927\u5757\u6570\u6bd4\u6211\u613f\u610f\u53c2\u4e0e\u7684\u66f4\u591a\uff0c\u6211\u5c06\u521b\u5efa\u4e00\u4e2a4\u5343\u5146\u5b57\u8282\u7684\u4ea4\u6362\u7a7a\u95f4\u6765\u5339\u914d\u6211\u7684\u7cfb\u7edf\u5185\u5b58\u3002<\/p>\n<h2 id=\\\"%E5%88%9B%E5%BB%BA%E4%BA%A4%E6%8D%A2%E6%96%87%E4%BB%B6\\\"><strong>\u521b\u5efa\u4ea4\u6362\u6587\u4ef6<\/strong><\/h2>\n<p>\u73b0\u5728\u6211\u4eec\u77e5\u9053\u4e86\u53ef\u7528\u7684\u5b58\u50a8\u7a7a\u95f4\uff0c\u6211\u4eec\u53ef\u4ee5\u5728\u6587\u4ef6\u7cfb\u7edf\u4e2d\u521b\u5efaswap\u6587\u4ef6\u3002\u6211\u4eec\u5c06\u521b\u5efa\u4e00\u4e2a\u6587\u4ef6\u540d\u4e3a<code>swapfile<\/code>\u5728root(<code>\/<\/code>)\u76ee\u5f55\u4e2d\uff0c\u4f46\u5982\u679c\u60a8\u613f\u610f\uff0c\u53ef\u4ee5\u5c06\u6587\u4ef6\u547d\u540d\u4e3a\u5176\u4ed6\u6587\u4ef6\u3002\u8be5\u6587\u4ef6\u5fc5\u987b\u4e3a\u6211\u4eec\u7684swap\u6587\u4ef6\u5206\u914d\u6211\u4eec\u60f3\u8981\u7684\u7a7a\u95f4\u91cf\u3002<br \/>\n\u521b\u5efaswap\u6587\u4ef6\u7684\u6700\u5feb\u548c\u6700\u7b80\u5355\u7684\u65b9\u6cd5\u662f\u4f7f\u7528<code>fallocate<\/code>\u3002\u6b64\u547d\u4ee4\u7acb\u5373\u521b\u5efa\u9884\u5206\u914d\u5927\u5c0f\u7684\u6587\u4ef6\u3002\u6211\u4eec\u53ef\u4ee5\u8f93\u5165\u4ee5\u4e0b\u5185\u5bb9\u521b\u5efa\u4e00\u4e2a4\u5343\u5146\u5b57\u8282\u7684\u6587\u4ef6\uff1a<\/p>\n<pre class=\\\"prism-token token  language-js\\\">sudo fallocate <span class=\\\"token operator\\\">-<\/span>l 4G <span class=\\\"token operator\\\">\/<\/span>swapfile<\/pre>\n<p>\u8f93\u5165\u5bc6\u7801\u4ee5\u6388\u6743<code>sudo<\/code>\u6743\u9650\u540e\uff0cswap\u6587\u4ef6\u5c06\u7acb\u5373\u521b\u5efa\uff0c\u5e76\u4e14\u63d0\u793a\u5c06\u8fd4\u56de\u7ed9\u60a8\u3002\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u65b9\u6cd5\u9a8c\u8bc1\u662f\u5426\u4e3aswap\u4fdd\u7559\u4e86\u6b63\u786e\u7684\u7a7a\u95f4\u91cf<code>ls<\/code>\uff1a<\/p>\n<pre class=\\\"prism-token token  language-js\\\">ls <span class=\\\"token operator\\\">-<\/span>lh <span class=\\\"token operator\\\">\/<\/span>swapfile<\/pre>\n<pre class=\\\"prism-token token  language-js\\\"><span class=\\\"token operator\\\">-<\/span>rw<span class=\\\"token operator\\\">-<\/span>r<span class=\\\"token operator\\\">--<\/span>r<span class=\\\"token operator\\\">--<\/span> <span class=\\\"token number\\\">1<\/span> root root <span class=\\\"token number\\\">4<\/span><span class=\\\"token punctuation\\\">.<\/span>0G Oct <span class=\\\"token number\\\">30<\/span> <span class=\\\"token number\\\">11<\/span><span class=\\\"token punctuation\\\">:<\/span><span class=\\\"token number\\\">00<\/span> <span class=\\\"token operator\\\">\/<\/span>swapfile<\/pre>\n<p>\u5982\u60a8\u6240\u89c1\uff0c\u6211\u4eec\u7684swap\u6587\u4ef6\u662f\u5728\u7559\u51fa\u6b63\u786e\u6570\u91cf\u7684\u7a7a\u95f4\u7684\u60c5\u51b5\u4e0b\u521b\u5efa\u7684\u3002<\/p>\n<h2 id=\\\"%E5%90%AF%E7%94%A8%E4%BA%A4%E6%8D%A2%E6%96%87%E4%BB%B6\\\"><strong>\u542f\u7528\u4ea4\u6362\u6587\u4ef6<\/strong><\/h2>\n<p>\u73b0\u5728\uff0c\u6211\u4eec\u7684\u6587\u4ef6\u5df2\u521b\u5efa\uff0c\u4f46\u6211\u4eec\u7684\u7cfb\u7edf\u4e0d\u77e5\u9053\u8fd9\u5e94\u8be5\u7528\u4e8eswap\u3002\u6211\u4eec\u9700\u8981\u544a\u8bc9\u6211\u4eec\u7684\u7cfb\u7edf\u5c06\u6b64\u6587\u4ef6\u683c\u5f0f\u5316\u4e3aswap\uff0c\u7136\u540e\u542f\u7528\u5b83\u3002<br \/>\n\u5728\u6211\u4eec\u8fd9\u6837\u505a\u4e4b\u524d\uff0c\u6211\u4eec\u5e94\u8be5\u8c03\u6574\u6211\u4eec\u7684swap\u6587\u4ef6\u7684\u6743\u9650\uff0c\u4ee5\u4fbf\u9664root\u5e10\u6237\u4e4b\u5916\u7684\u4efb\u4f55\u4eba\u90fd\u65e0\u6cd5\u8bfb\u53d6\u5b83\u3002\u5141\u8bb8\u5176\u4ed6\u7528\u6237\u8bfb\u53d6\u6216\u5199\u5165\u6b64\u6587\u4ef6\u5c06\u662f\u4e00\u4e2a\u5de8\u5927\u7684\u5b89\u5168\u98ce\u9669\u3002\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u9501\u5b9a\u6743\u9650<code>chmod<\/code>\uff1a<\/p>\n<pre class=\\\"prism-token token  language-js\\\">sudo chmod <span class=\\\"token number\\\">600<\/span> <span class=\\\"token operator\\\">\/<\/span>swapfile<\/pre>\n<p>\u8fd9\u5c06\u4ec5\u9650\u5236root\u5e10\u6237\u7684\u8bfb\u53d6\u548c\u5199\u5165\u6743\u9650\u3002\u6211\u4eec\u53ef\u4ee5\u518d\u6b21\u4f7f\u7528ls<br \/>\n-lh\u6765\u9a8c\u8bc1\u4ea4\u6362\u6587\u4ef6\u662f\u5426\u5177\u6709\u6b63\u786e\u7684\u6743\u9650\uff1a<\/p>\n<pre class=\\\"prism-token token  language-js\\\">ls <span class=\\\"token operator\\\">-<\/span>lh <span class=\\\"token operator\\\">\/<\/span>swapfile<\/pre>\n<pre class=\\\"prism-token token  language-js\\\"><span class=\\\"token operator\\\">-<\/span>rw<span class=\\\"token operator\\\">--<\/span><span class=\\\"token operator\\\">--<\/span><span class=\\\"token operator\\\">--<\/span><span class=\\\"token operator\\\">-<\/span> <span class=\\\"token number\\\">1<\/span> root root <span class=\\\"token number\\\">4<\/span><span class=\\\"token punctuation\\\">.<\/span>0G Oct <span class=\\\"token number\\\">30<\/span> <span class=\\\"token number\\\">11<\/span><span class=\\\"token punctuation\\\">:<\/span><span class=\\\"token number\\\">00<\/span> <span class=\\\"token operator\\\">\/<\/span>swapfile<\/pre>\n<p>\u65e2\u7136\u6211\u4eec\u7684swap\u6587\u4ef6\u66f4\u5b89\u5168\uff0c\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7\u8f93\u5165\u4ee5\u4e0b\u5185\u5bb9\u544a\u8bc9\u6211\u4eec\u7684\u7cfb\u7edf\u8bbe\u7f6eswap\u7a7a\u95f4\u4ee5\u4f9b\u4f7f\u7528\uff1a<\/p>\n<pre class=\\\"prism-token token  language-js\\\">sudo mkswap <span class=\\\"token operator\\\">\/<\/span>swapfile<\/pre>\n<pre class=\\\"prism-token token  language-js\\\">Setting up swapspace version <span class=\\\"token number\\\">1<\/span><span class=\\\"token punctuation\\\">,<\/span> size <span class=\\\"token operator\\\">=<\/span> <span class=\\\"token number\\\">4194300<\/span> KiB\nno label<span class=\\\"token punctuation\\\">,<\/span> UUID<span class=\\\"token operator\\\">=<\/span>b99230bb<span class=\\\"token operator\\\">-<\/span>21af<span class=\\\"token operator\\\">-<\/span>47bc<span class=\\\"token operator\\\">-<\/span>8c37<span class=\\\"token operator\\\">-<\/span>de41129c39bf<\/pre>\n<p>\u6211\u4eec\u7684swap\u6587\u4ef6\u73b0\u5728\u53ef\u4ee5\u7528\u4f5cswap\u7a7a\u95f4\u3002\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7\u952e\u5165\u6765\u5f00\u59cb\u4f7f\u7528\u5b83\uff1a<\/p>\n<pre class=\\\"prism-token token  language-js\\\">sudo swapon <span class=\\\"token operator\\\">\/<\/span>swapfile<\/pre>\n<p>\u4e3a\u4e86\u9a8c\u8bc1\u7a0b\u5e8f\u662f\u5426\u6210\u529f\uff0c\u6211\u4eec\u53ef\u4ee5\u68c0\u67e5\u6211\u4eec\u7684\u7cfb\u7edf\u73b0\u5728\u662f\u5426\u62a5\u544aswap\u7a7a\u95f4\uff1a<\/p>\n<pre class=\\\"prism-token token  language-js\\\">swapon <span class=\\\"token operator\\\">-<\/span>s<\/pre>\n<pre class=\\\"prism-token token  language-js\\\">Filename                Type        Size    Used    Priority\n<span class=\\\"token operator\\\">\/<\/span>swapfile               file        <span class=\\\"token number\\\">4194300<\/span> <span class=\\\"token number\\\">0<\/span>     <span class=\\\"token operator\\\">-<\/span><span class=\\\"token number\\\">1<\/span><\/pre>\n<p>\u6b64\u8f93\u51fa\u786e\u8ba4\u6211\u4eec\u6709\u4e00\u4e2a\u65b0\u7684swap\u6587\u4ef6\u3002\u6211\u4eec\u53ef\u4ee5\u518d\u6b21\u4f7f\u7528free\u5b9e\u7528\u7a0b\u5e8f\u6765\u8bc1\u5b9e\u6211\u4eec\u7684\u53d1\u73b0\uff1a<\/p>\n<pre class=\\\"prism-token token  language-js\\\">free <span class=\\\"token operator\\\">-<\/span>m<\/pre>\n<pre class=\\\"prism-token token  language-js\\\">             total       used       free     shared    buffers     cached\nMem<span class=\\\"token punctuation\\\">:<\/span>          <span class=\\\"token number\\\">3953<\/span>        <span class=\\\"token number\\\">315<\/span>       <span class=\\\"token number\\\">3637<\/span>          <span class=\\\"token number\\\">8<\/span>         <span class=\\\"token number\\\">11<\/span>        <span class=\\\"token number\\\">107<\/span>\n<span class=\\\"token operator\\\">-<\/span><span class=\\\"token operator\\\">\/<\/span><span class=\\\"token operator\\\">+<\/span> buffers<span class=\\\"token operator\\\">\/<\/span>cache<span class=\\\"token punctuation\\\">:<\/span>        <span class=\\\"token number\\\">196<\/span>       <span class=\\\"token number\\\">3756<\/span>\nSwap<span class=\\\"token punctuation\\\">:<\/span>         <span class=\\\"token number\\\">4095<\/span>          <span class=\\\"token number\\\">0<\/span>       <span class=\\\"token number\\\">4095<\/span><\/pre>\n<p>\u6211\u4eec\u7684swap\u5df2\u6210\u529f\u8bbe\u7f6e\uff0c\u6211\u4eec\u7684\u64cd\u4f5c\u7cfb\u7edf\u5c06\u6839\u636e\u9700\u8981\u5f00\u59cb\u4f7f\u7528\u5b83\u3002<\/p>\n<h2 id=\\\"%E4%BD%BFswap%E6%96%87%E4%BB%B6%E6%B0%B8%E4%B9%85%E5%8C%96\\\"><strong>\u4f7fswap\u6587\u4ef6\u6c38\u4e45\u5316<\/strong><\/h2>\n<p>\u6211\u4eec\u7684swap\u6587\u4ef6\u76ee\u524d\u5df2\u542f\u7528\uff0c\u4f46\u662f\u5f53\u6211\u4eec\u91cd\u65b0\u542f\u52a8\u65f6\uff0c\u670d\u52a1\u5668\u5c06\u4e0d\u4f1a\u81ea\u52a8\u542f\u7528\u8be5\u6587\u4ef6\u4ee5\u4f9b\u4f7f\u7528\u3002\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7\u4fee\u6539<code>fstab<\/code>\u6587\u4ef6\u6765\u66f4\u6539\u5b83\uff0c\u8be5\u6587\u4ef6\u662f\u7ba1\u7406\u6587\u4ef6\u7cfb\u7edf\u548c\u5206\u533a\u7684\u8868\u3002<br \/>\n\u4f7f\u7528sudo\u6743\u9650\u5728\u6587\u672c\u7f16\u8f91\u5668\u4e2d\u7f16\u8f91\u6587\u4ef6\uff1a<\/p>\n<pre class=\\\"prism-token token  language-js\\\">sudo nano <span class=\\\"token operator\\\">\/<\/span>etc<span class=\\\"token operator\\\">\/<\/span>fstab<\/pre>\n<p>\u5728\u6587\u4ef6\u7684\u5e95\u90e8\uff0c\u60a8\u9700\u8981\u6dfb\u52a0\u4e00\u884c\u6765\u544a\u8bc9\u64cd\u4f5c\u7cfb\u7edf\u81ea\u52a8\u4f7f\u7528\u60a8\u521b\u5efa\u7684swap\u6587\u4ef6\uff1a<\/p>\n<pre class=\\\"prism-token token  language-js\\\"><span class=\\\"token operator\\\">\/<\/span>swapfile   swap    swap    sw  <span class=\\\"token number\\\">0<\/span>   <span class=\\\"token number\\\">0<\/span><\/pre>\n<p>\u6dfb\u52a0\u5b8c\u884c\u540e\uff0c\u53ef\u4ee5\u4fdd\u5b58\u5e76\u5173\u95ed\u6587\u4ef6\u3002\u670d\u52a1\u5668\u5c06\u5728\u6bcf\u6b21\u542f\u52a8\u65f6\u68c0\u67e5\u6b64\u6587\u4ef6\uff0c\u4ee5\u4fbf\u4ece\u73b0\u5728\u5f00\u59cb\u51c6\u5907\u597d\u4f7f\u7528swap\u6587\u4ef6\u3002<\/p>\n<h2 id=\\\"%E8%B0%83%E6%95%B4%E6%82%A8%E7%9A%84%E4%BA%A4%E6%8D%A2%E8%AE%BE%E7%BD%AE%EF%BC%88%E5%8F%AF%E9%80%89%EF%BC%89\\\"><strong>\u8c03\u6574\u60a8\u7684\u4ea4\u6362\u8bbe\u7f6e\uff08\u53ef\u9009\uff09<\/strong><\/h2>\n<p>\u60a8\u53ef\u4ee5\u914d\u7f6e\u4e00\u4e9b\u9009\u9879\uff0c\u8fd9\u4e9b\u9009\u9879\u4f1a\u5728\u5904\u7406\u4ea4\u6362\u65f6\u5bf9\u7cfb\u7edf\u7684\u6027\u80fd\u4ea7\u751f\u5f71\u54cd\u3002\u5728\u5927\u591a\u6570\u60c5\u51b5\u4e0b\uff0c\u8fd9\u4e9b\u914d\u7f6e\u662f\u53ef\u9009\u7684\uff0c\u60a8\u6240\u505a\u7684\u66f4\u6539\u5c06\u53d6\u51b3\u4e8e\u60a8\u7684\u5e94\u7528\u7a0b\u5e8f\u9700\u6c42\u548c\u4e2a\u4eba\u504f\u597d\u3002<\/p>\n<h3 id=\\\"Swappiness\\\"><strong>Swappiness<\/strong><\/h3>\n<p><code>swappiness<\/code>\u53c2\u6570\u786e\u5b9a\u7cfb\u7edf\u5c06\u6570\u636e\u4ece\u5185\u5b58swap\u5230swap\u7a7a\u95f4\u7684\u9891\u7387\u3002\u8fd9\u662f\u4ecb\u4e8e0\u548c100\u4e4b\u95f4\u7684\u503c\uff0c\u8868\u793a\u5c06\u89e6\u53d1\u4f7f\u7528swap\u7684\u5185\u5b58\u4f7f\u7528\u767e\u5206\u6bd4\u3002<br \/>\n\u503c\u63a5\u8fd1\u4e8e\u96f6\u65f6\uff0c\u9664\u975e\u7edd\u5bf9\u5fc5\u8981\uff0c\u5426\u5219\u7cfb\u7edf\u4e0d\u4f1a\u5c06\u6570\u636eswap\u5230\u9a71\u52a8\u5668\u3002\u8bf7\u8bb0\u4f4f\uff0c\u4e0eswap\u6587\u4ef6\u7684\u4ea4\u4e92\u662f\u201c\u6602\u8d35\u7684\u201d\uff0c\u56e0\u4e3a\u5b83\u4eec\u6bd4\u4e0e\u5185\u5b58\u7684\u4ea4\u4e92\u6162\u5f97\u591a\uff0c\u5e76\u4e14\u8bfb\u53d6\u548c\u5199\u5165\u901f\u5ea6\u7684\u8fd9\u79cd\u5dee\u5f02\u53ef\u80fd\u5bfc\u81f4\u5e94\u7528\u7a0b\u5e8f\u6027\u80fd\u7684\u663e\u7740\u964d\u4f4e\u3002\u544a\u8bc9\u7cfb\u7edf\u4e0d\u8981\u4f9d\u8d56swap\uff0c\u901a\u5e38\u4f1a\u4f7f\u60a8\u7684\u7cfb\u7edf\u66f4\u5feb\u3002<br \/>\n\u63a5\u8fd1100\u7684\u503c\u5c06\u5c1d\u8bd5\u5c06\u66f4\u591a\u6570\u636e\u653e\u5165swap\u4e2d\u4ee5\u52aa\u529b\u4fdd\u6301\u66f4\u591a\u5185\u5b58\u7a7a\u95f2\u3002\u6839\u636e\u5e94\u7528\u7a0b\u5e8f\u7684\u5185\u5b58\u914d\u7f6e\u6587\u4ef6\u6216\u670d\u52a1\u5668\u7684\u4f7f\u7528\u60c5\u51b5\uff0c\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\uff0c\u8fd9\u53ef\u80fd\u662f\u66f4\u597d\u7684\u9009\u62e9\u3002<br \/>\n\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7\u8bfb\u53d6swappiness\u914d\u7f6e\u6587\u4ef6\u6765\u67e5\u770b\u5f53\u524d\u7684swappiness\u503c\uff1a<\/p>\n<pre class=\\\"prism-token token  language-js\\\">cat <span class=\\\"token operator\\\">\/<\/span>proc<span class=\\\"token operator\\\">\/<\/span>sys<span class=\\\"token operator\\\">\/<\/span>vm<span class=\\\"token operator\\\">\/<\/span>swappiness<\/pre>\n<pre class=\\\"prism-token token  language-js\\\"><span class=\\\"token number\\\">30<\/span><\/pre>\n<p>CentOS 7\u9ed8\u8ba4\u4e3a30\u7684swappiness\u8bbe\u7f6e\uff0c\u8fd9\u5bf9\u4e8e\u5927\u591a\u6570\u53f0\u5f0f\u673a\u548c\u672c\u5730\u670d\u52a1\u5668\u6765\u8bf4\u662f\u4e00\u4e2a\u516c\u5e73\u7684\u4e2d\u95f4\u7acb\u573a\u3002\u5bf9\u4e8e<a href=\\\"https:\/\/cloud.tencent.com\/product\/cvm?from=10680\\\" target=\\\"_blank\\\" rel=\\\"noopener noreferrer\\\" data-text-link=\\\"2_1171653\\\" data-from=\\\"10680\\\">\u4e91\u670d\u52a1\u5668<\/a>\uff0c\u6211\u4eec\u53ef\u80fd\u5e0c\u671b\u5c06\u5176\u79fb\u8fd10\u3002\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528<code>sysctl\u547d\u4ee4<\/code>\u5c06swappiness\u8bbe\u7f6e\u4e3a\u4e0d\u540c\u7684\u503c\u3002\u4f8b\u5982\uff0c\u8981\u5c06swappiness\u8bbe\u7f6e\u4e3a10\uff0c\u6211\u4eec\u53ef\u4ee5\u8f93\u5165\uff1a<\/p>\n<pre class=\\\"prism-token token  language-js\\\">sudo sysctl vm<span class=\\\"token punctuation\\\">.<\/span>swappiness<span class=\\\"token operator\\\">=<\/span><span class=\\\"token number\\\">10<\/span><\/pre>\n<pre class=\\\"prism-token token  language-js\\\">vm<span class=\\\"token punctuation\\\">.<\/span>swappiness <span class=\\\"token operator\\\">=<\/span> <span class=\\\"token number\\\">10<\/span><\/pre>\n<p>\u6b64\u8bbe\u7f6e\u5c06\u6301\u7eed\u5230\u4e0b\u6b21\u91cd\u65b0\u5f15\u5bfc\u3002\u8981\u5728\u91cd\u65b0\u542f\u52a8\u4e4b\u95f4\u4fdd\u6301\u8bbe\u7f6e\uff0c\u6211\u4eec\u53ef\u4ee5\u5c06\u8f93\u51fa\u7684\u884c\u6dfb\u52a0\u5230sysctl\u914d\u7f6e\u6587\u4ef6\u4e2d\uff1a<\/p>\n<pre class=\\\"prism-token token  language-js\\\">sudo nano <span class=\\\"token operator\\\">\/<\/span>etc<span class=\\\"token operator\\\">\/<\/span>sysctl<span class=\\\"token punctuation\\\">.<\/span>conf<\/pre>\n<p>\u5c06\u60a8\u7684swappiness\u8bbe\u7f6e\u6dfb\u52a0\u5230\u6587\u4ef6\u7684\u5e95\u90e8\uff1a<\/p>\n<pre class=\\\"prism-token token  language-js\\\">vm<span class=\\\"token punctuation\\\">.<\/span>swappiness <span class=\\\"token operator\\\">=<\/span> <span class=\\\"token number\\\">10<\/span><\/pre>\n<p>\u6dfb\u52a0\u5b8c\u884c\u540e\uff0c\u53ef\u4ee5\u4fdd\u5b58\u5e76\u5173\u95ed\u6587\u4ef6\u3002\u670d\u52a1\u5668\u73b0\u5728\u5c06\u81ea\u52a8\u5c06swappiness\u8bbe\u7f6e\u4e3a\u60a8\u5728\u6bcf\u6b21\u542f\u52a8\u65f6\u58f0\u660e\u7684\u503c\u3002<\/p>\n<h3 id=\\\"%E7%BC%93%E5%AD%98%E5%8E%8B%E5%8A%9B\\\"><strong>\u7f13\u5b58\u538b\u529b<\/strong><\/h3>\n<p>\u60a8\u53ef\u80fd\u60f3\u8981\u4fee\u6539\u7684\u53e6\u4e00\u4e2a\u76f8\u5173\u503c\u662f<code>vfs_cache_pressure<\/code>\u3002\u6b64\u8bbe\u7f6e\u4f1a\u5f71\u54cd\u7279\u6b8a\u6587\u4ef6\u7cfb\u7edf\u5143\u6570\u636e\u6761\u76ee\u7684\u5b58\u50a8\u3002<br \/>\n\u4e0d\u65ad\u8bfb\u53d6\u548c\u5237\u65b0\u6b64\u4fe1\u606f\u901a\u5e38\u975e\u5e38\u6602\u8d35\uff0c\u56e0\u6b64\u5c06\u5176\u5b58\u50a8\u5728\u7f13\u5b58\u4e2d\u7684\u65f6\u95f4\u66f4\u957f\uff0c\u8fd9\u5bf9\u4e8e\u7cfb\u7edf\u7684\u6027\u80fd\u975e\u5e38\u6709\u7528\u3002<br \/>\n\u60a8\u53ef\u4ee5\u901a\u8fc7<code>proc<\/code>\u518d\u6b21\u67e5\u8be2\u6587\u4ef6\u7cfb\u7edf\u6765\u67e5\u770b\u6b64\u7f13\u5b58\u538b\u529b\u7684\u5f53\u524d\u503c\uff1a<\/p>\n<pre class=\\\"prism-token token  language-js\\\">cat <span class=\\\"token operator\\\">\/<\/span>proc<span class=\\\"token operator\\\">\/<\/span>sys<span class=\\\"token operator\\\">\/<\/span>vm<span class=\\\"token operator\\\">\/<\/span>vfs_cache_pressure<\/pre>\n<pre class=\\\"prism-token token  language-js\\\"><span class=\\\"token number\\\">100<\/span><\/pre>\n<p>\u7531\u4e8e\u5f53\u524d\u914d\u7f6e\uff0c\u6211\u4eec\u7684\u7cfb\u7edf\u4ece\u7f13\u5b58\u4e2d\u5220\u9664inode\u4fe1\u606f\u7684\u901f\u5ea6\u592a\u5feb\u3002\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7\u4f7f\u7528<code>sysctl<\/code>\u5c06\u5176\u8bbe\u7f6e\u4e3a\u66f4\u4fdd\u5b88\u7684\u8bbe\u7f6e\uff0c\u598250;<\/p>\n<pre class=\\\"prism-token token  language-js\\\">sudo sysctl vm<span class=\\\"token punctuation\\\">.<\/span>vfs_cache_pressure<span class=\\\"token operator\\\">=<\/span><span class=\\\"token number\\\">50<\/span>\nvm<span class=\\\"token punctuation\\\">.<\/span>vfs_cache_pressure <span class=\\\"token operator\\\">=<\/span> <span class=\\\"token number\\\">50<\/span><\/pre>\n<p>\u540c\u6837\uff0c\u8fd9\u4ec5\u9002\u7528\u4e8e\u6211\u4eec\u5f53\u524d\u7684\u4f1a\u8bdd\u3002\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7\u5c06\u5176\u6dfb\u52a0\u5230\u914d\u7f6e\u6587\u4ef6\u6765\u6539\u53d8\u5b83\uff0c\u5c31\u50cf\u6211\u4eec\u4f7f\u7528swappiness\u8bbe\u7f6e\u4e00\u6837\uff1a<\/p>\n<pre class=\\\"prism-token token  language-js\\\">sudo nano <span class=\\\"token operator\\\">\/<\/span>etc<span class=\\\"token operator\\\">\/<\/span>sysctl<span class=\\\"token punctuation\\\">.<\/span>conf<\/pre>\n<p>\u5728\u5e95\u90e8\uff0c\u6dfb\u52a0\u6307\u5b9a\u65b0\u503c\u7684\u884c\uff1a<\/p>\n<pre class=\\\"prism-token token  language-js\\\">vm<span class=\\\"token punctuation\\\">.<\/span>vfs_cache_pressure <span class=\\\"token operator\\\">=<\/span> <span class=\\\"token number\\\">50<\/span><\/pre>\n<p>\u6dfb\u52a0\u5b8c\u884c\u540e\uff0c\u53ef\u4ee5\u4fdd\u5b58\u5e76\u5173\u95ed\u6587\u4ef6\u3002\u670d\u52a1\u5668\u73b0\u5728\u5c06\u81ea\u52a8\u5c06\u7f13\u5b58\u538b\u529b\u8bbe\u7f6e\u4e3a\u60a8\u5728\u6bcf\u6b21\u542f\u52a8\u65f6\u58f0\u660e\u7684\u503c\u3002<\/p>\n<h2 id=\\\"%E7%BB%93%E8%AE%BA\\\"><strong>\u7ed3\u8bba<\/strong><\/h2>\n<p>\u6309\u7167\u672c\u6559\u7a0b\u4e2d\u7684\u6b65\u9aa4\u64cd\u4f5c\uff0c\u5728\u5185\u5b58\u4f7f\u7528\u65b9\u9762\uff0c\u4f60\u4f1a\u7ed9\u4f60\u7684\u670d\u52a1\u5668\u4e00\u4e9b\u5598\u606f\u7a7a\u95f4\u3002swap\u7a7a\u95f4\u5728\u907f\u514d\u4e00\u4e9b\u5e38\u89c1\u95ee\u9898\u65b9\u9762\u975e\u5e38\u6709\u7528\u3002<br \/>\n\u5982\u679c\u9047\u5230OOM\uff08\u5185\u5b58\u4e0d\u8db3\uff09\u9519\u8bef\uff0c\u6216\u8005\u5982\u679c\u53d1\u73b0\u7cfb\u7edf\u65e0\u6cd5\u4f7f\u7528\u6240\u9700\u7684\u5e94\u7528\u7a0b\u5e8f\uff0c\u6700\u4f73\u89e3\u51b3\u65b9\u6848\u662f\u4f18\u5316\u5e94\u7528\u7a0b\u5e8f\u914d\u7f6e\u6216\u5347\u7ea7\u670d\u52a1\u5668\u3002\u4f46\u662f\uff0c\u914d\u7f6eswap\u7a7a\u95f4\u53ef\u4ee5\u4e3a\u60a8\u63d0\u4f9b\u66f4\u5927\u7684\u7075\u6d3b\u6027\u3002\n<\/p><\/div>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>\u4f7f\u670d\u52a1\u5668\u54cd\u5e94\u66f4\u5feb\uff0c\u5e76\u9632\u6b62\u5e94\u7528\u7a0b\u5e8f\u4e2d\u51fa\u73b0\u5185\u5b58\u4e0d\u8db3\u9519\u8bef\u7684\u6700\u7b80\u5355\u65b9\u6cd5\u4e4b\u4e00\u662f\u6dfb\u52a0\u4e00\u4e9bswap\u7a7a\u95f4\u3002Swap\u662f\u5b58\u50a8\u9a71\u52a8\u5668 &hellip;<\/p>\n<p class=\"read-more\"> <a class=\"\" href=\"http:\/\/www.weijing.co\/?p=5445\"> <span class=\"screen-reader-text\">\u5982\u4f55\u5728CentOS 7\u4e0a\u6dfb\u52a0Swap<\/span> \u67e5\u770b\u5168\u6587 &raquo;<\/a><\/p>\n","protected":false},"author":4,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"default","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":""},"categories":[102,124],"tags":[],"uagb_featured_image_src":{"full":false,"thumbnail":false,"medium":false,"medium_large":false,"large":false,"1536x1536":false,"2048x2048":false,"mailpoet_newsletter_max":false,"woocommerce_thumbnail":false,"woocommerce_single":false,"woocommerce_gallery_thumbnail":false,"shop_catalog":false,"shop_single":false,"shop_thumbnail":false},"uagb_author_info":{"display_name":"weijing","author_link":"http:\/\/www.weijing.co\/?author=4"},"uagb_comment_info":0,"uagb_excerpt":"\u4f7f\u670d\u52a1\u5668\u54cd\u5e94\u66f4\u5feb\uff0c\u5e76\u9632\u6b62\u5e94\u7528\u7a0b\u5e8f\u4e2d\u51fa\u73b0\u5185\u5b58\u4e0d\u8db3\u9519\u8bef\u7684\u6700\u7b80\u5355\u65b9\u6cd5\u4e4b\u4e00\u662f\u6dfb\u52a0\u4e00\u4e9bswap\u7a7a\u95f4\u3002Swap\u662f\u5b58\u50a8\u9a71\u52a8\u5668&hellip;","_links":{"self":[{"href":"http:\/\/www.weijing.co\/index.php?rest_route=\/wp\/v2\/posts\/5445"}],"collection":[{"href":"http:\/\/www.weijing.co\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.weijing.co\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.weijing.co\/index.php?rest_route=\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"http:\/\/www.weijing.co\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=5445"}],"version-history":[{"count":0,"href":"http:\/\/www.weijing.co\/index.php?rest_route=\/wp\/v2\/posts\/5445\/revisions"}],"wp:attachment":[{"href":"http:\/\/www.weijing.co\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=5445"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.weijing.co\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=5445"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.weijing.co\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=5445"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}