{"id":75,"date":"2024-01-08T10:41:34","date_gmt":"2023-10-20T11:29:36","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/index.php\/2023\/11\/30\/%e5%a6%82%e4%bd%95%e5%9c%a8debian-11-%e4%b8%8a%e5%a2%9e%e5%8a%a0%e4%ba%a4%e6%8d%a2%e7%a9%ba%e9%97%b4\/"},"modified":"2025-07-31T22:28:37","modified_gmt":"2025-07-31T14:28:37","slug":"%e5%a6%82%e4%bd%95%e5%9c%a8debian-11-%e4%b8%8a%e5%a2%9e%e5%8a%a0%e4%ba%a4%e6%8d%a2%e7%a9%ba%e9%97%b4","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e5%a6%82%e4%bd%95%e5%9c%a8debian-11-%e4%b8%8a%e5%a2%9e%e5%8a%a0%e4%ba%a4%e6%8d%a2%e7%a9%ba%e9%97%b4\/","title":{"rendered":"Debian 11\u7cfb\u7edf\uff1a\u8f7b\u677e\u6269\u5c55\u4ea4\u6362\u7a7a\u95f4\uff0c\u63d0\u5347\u6027\u80fd\uff01"},"content":{"rendered":"<h3>\u7b80\u4ecb<\/h3>\n<p>\u5728\u5e94\u7528\u7a0b\u5e8f\u4e2d\u9632\u6b62\u5185\u5b58\u6ea2\u51fa\u9519\u8bef\u7684\u4e00\u79cd\u6709\u6548\u65b9\u6cd5\u662f\u4e3a\u670d\u52a1\u5668\u6dfb\u52a0\u4e00\u4e9b\u4ea4\u6362\u7a7a\u95f4\u3002\u672c\u6307\u5357\u5c06\u8be6\u7ec6\u4ecb\u7ecd\u5982\u4f55\u5728Debian 11\u670d\u52a1\u5668\u4e0a\u6dfb\u52a0\u4ea4\u6362\u6587\u4ef6\u3002<\/p>\n<h2>\u4ec0\u4e48\u662f\u4ea4\u6362\u7a7a\u95f4 (Swap)?<\/h2>\n<p>\u4ea4\u6362\u7a7a\u95f4\u662f\u786c\u76d8\u5b58\u50a8\u4e2d\u4e13\u95e8\u4e3a\u64cd\u4f5c\u7cfb\u7edf\u9884\u7559\u7684\u4e00\u90e8\u5206\uff0c\u7528\u4e8e\u6682\u65f6\u5b58\u50a8\u65e0\u6cd5\u5b8c\u5168\u5bb9\u7eb3\u5728RAM\uff08\u968f\u673a\u5b58\u53d6\u5b58\u50a8\u5668\uff09\u4e2d\u7684\u6570\u636e\u3002\u901a\u8fc7\u5229\u7528\u4ea4\u6362\u7a7a\u95f4\uff0c\u60a8\u53ef\u4ee5\u6709\u6548\u589e\u52a0\u670d\u52a1\u5668\u5728\u5de5\u4f5c\u5185\u5b58\u4e2d\u80fd\u591f\u4fdd\u5b58\u7684\u4fe1\u606f\u91cf\uff0c\u4f46\u8fd9\u5176\u4e2d\u4e5f\u4f34\u968f\u7740\u4e00\u4e9b\u8003\u91cf\u3002<\/p>\n<p>\u5f53RAM\u4e0d\u8db3\u4ee5\u5bb9\u7eb3\u5f53\u524d\u8fd0\u884c\u5e94\u7528\u7a0b\u5e8f\u6240\u9700\u7684\u6570\u636e\u65f6\uff0c\u786c\u76d8\u4e0a\u7684\u4ea4\u6362\u7a7a\u95f4\u5c06\u4e3b\u8981\u88ab\u64cd\u4f5c\u7cfb\u7edf\u4f7f\u7528\u3002\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0c\u6570\u636e\u5199\u5165\u786c\u76d8\u7684\u901f\u5ea6\u8fdc\u4f4e\u4e8e\u5199\u5165RAM\u7684\u901f\u5ea6\u3002\u7136\u800c\uff0c\u64cd\u4f5c\u7cfb\u7edf\u4f1a\u4f18\u5148\u5c06\u6b63\u5728\u8fd0\u884c\u7684\u5e94\u7528\u7a0b\u5e8f\u6570\u636e\u4fdd\u7559\u5728RAM\u4e2d\uff0c\u5e76\u5229\u7528\u4ea4\u6362\u7a7a\u95f4\u6765\u5904\u7406\u8f83\u65e7\u6216\u4e0d\u5e38\u7528\u7684\u6570\u636e\u3002\u603b\u800c\u8a00\u4e4b\uff0c\u5728\u7cfb\u7edfRAM\u8017\u5c3d\u65f6\uff0c\u5177\u5907\u4ea4\u6362\u7a7a\u95f4\u4f5c\u4e3a\u5907\u7528\u673a\u5236\uff0c\u53ef\u4ee5\u6709\u6548\u5bf9\u6297\u975eSSD\u5b58\u50a8\u7cfb\u7edf\u4e2d\u53ef\u80fd\u51fa\u73b0\u7684\u5185\u5b58\u6ea2\u51fa\u5f02\u5e38\uff0c\u63d0\u4f9b\u4e00\u5c42\u989d\u5916\u7684\u5b89\u5168\u4fdd\u969c\u3002<\/p>\n<h2>\u7b2c\u4e00\u6b65 &#8211; \u68c0\u67e5\u7cfb\u7edf\u7684\u4ea4\u6362\u4fe1\u606f<\/h2>\n<p>\u5728\u6211\u4eec\u5f00\u59cb\u4e4b\u524d\uff0c\u9996\u5148\u9700\u8981\u68c0\u67e5\u7cfb\u7edf\u662f\u5426\u5df2\u7ecf\u914d\u7f6e\u4e86\u4ea4\u6362\u7a7a\u95f4\u3002\u7cfb\u7edf\u53ef\u4ee5\u5b58\u5728\u591a\u4e2a\u4ea4\u6362\u6587\u4ef6\u6216\u4ea4\u6362\u5206\u533a\uff0c\u4f46\u901a\u5e38\u4e00\u4e2a\u5c31\u8db3\u591f\u4e86\u3002<\/p>\n<p>\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7\u8f93\u5165\u4ee5\u4e0b\u547d\u4ee4\u6765\u67e5\u770b\u7cfb\u7edf\u662f\u5426\u5df2\u914d\u7f6e\u4ea4\u6362\u7a7a\u95f4\uff1a<\/p>\n<pre class=\"post-pre\"><code><span class=\"token function\">sudo<\/span> <span class=\"token function\">swapon<\/span> <span class=\"token parameter variable\">--show<\/span><\/code><\/pre>\n<p>\u5982\u679c\u60a8\u6ca1\u6709\u6536\u5230\u4efb\u4f55\u8f93\u51fa\uff0c\u8fd9\u610f\u5473\u7740\u60a8\u7684\u7cfb\u7edf\u5f53\u524d\u6ca1\u6709\u53ef\u7528\u7684\u4ea4\u6362\u7a7a\u95f4\u3002<\/p>\n<p>\u60a8\u8fd8\u53ef\u4ee5\u901a\u8fc7<code>free<\/code>\u5b9e\u7528\u5de5\u5177\u6765\u9a8c\u8bc1\u662f\u5426\u5b58\u5728\u6d3b\u52a8\u7684\u4ea4\u6362\u7a7a\u95f4\uff1a<\/p>\n<pre class=\"post-pre\"><code><span class=\"token function\">free<\/span> <span class=\"token parameter variable\">-h<\/span><\/code><\/pre>\n<div class=\"secondary-code-label\" title=\"Output\">\u8f93\u51fa<\/div>\n<pre class=\"post-pre\"><code>total        used        free      shared  buff\/cache   available\r\nMem:        976Mi        75Mi       623Mi        0.0Ki       276Mi       765Mi\r\n<mark>Swap:          0B          0B          0B<\/mark><\/code><\/pre>\n<p>\u5982\u60a8\u5728\u8f93\u51fa\u4e2d\u6240\u89c1\uff0c\u5f53\u524d\u7cfb\u7edf\u4e0a\u6ca1\u6709\u6fc0\u6d3b\u7684\u4ea4\u6362\u7a7a\u95f4\u3002<\/p>\n<h2>\u7b2c\u4e8c\u6b65 &#8211; \u68c0\u67e5\u786c\u76d8\u5206\u533a\u4e0a\u7684\u53ef\u7528\u7a7a\u95f4<\/h2>\n<p>\u5728\u521b\u5efa\u4ea4\u6362\u6587\u4ef6\u4e4b\u524d\uff0c\u6211\u4eec\u9700\u8981\u68c0\u67e5\u5f53\u524d\u7684\u78c1\u76d8\u4f7f\u7528\u60c5\u51b5\uff0c\u4ee5\u786e\u4fdd\u6709\u8db3\u591f\u7684\u53ef\u7528\u7a7a\u95f4\u3002\u8f93\u5165\u4ee5\u4e0b\u547d\u4ee4\u8fdb\u884c\u68c0\u67e5\uff1a<\/p>\n<pre class=\"post-pre\"><code><span class=\"token function\">df<\/span> <span class=\"token parameter variable\">-h<\/span><\/code><\/pre>\n<div class=\"secondary-code-label\" title=\"Output\">\u8f93\u51fa<\/div>\n<pre class=\"post-pre\"><code>Filesystem      Size  Used Avail Use% Mounted on\r\nudev            472M     0  472M   0% \/dev\r\ntmpfs            98M  500K   98M   1% \/run\r\n<mark>\/dev\/vda1        25G  1.1G   23G   5% \/<\/mark>\r\ntmpfs           489M     0  489M   0% \/dev\/shm\r\ntmpfs           5.0M     0  5.0M   0% \/run\/lock\r\n\/dev\/vda15      124M  5.9M  118M   5% \/boot\/efi\r\ntmpfs            98M     0   98M   0% \/run\/user\/0<\/code><\/pre>\n<p>\u5728\u201c\u5df2\u6302\u8f7d (Mounted on)\u201d\u680f\u4e2d\uff0c\u5e26\u6709\u201c\/\u201d\u7684\u8bbe\u5907\uff08\u5728\u6b64\u6848\u4f8b\u4e2d\u4e3a<code>\/dev\/vda1<\/code>\uff09\u4ee3\u8868\u6211\u4eec\u7684\u6839\u6587\u4ef6\u7cfb\u7edf\u3002\u5728\u6b64\u793a\u4f8b\u4e2d\uff0c\u6211\u4eec\u6709\u8db3\u591f\u7684\u53ef\u7528\u7a7a\u95f4\uff08\u4ec5\u4f7f\u7528\u4e861.1G\uff09\u3002\u60a8\u7684\u5b9e\u9645\u4f7f\u7528\u60c5\u51b5\u53ef\u80fd\u4f1a\u6709\u6240\u4e0d\u540c\u3002<\/p>\n<p>\u5173\u4e8e\u4ea4\u6362\u7a7a\u95f4\u9002\u5f53\u5927\u5c0f\u7684\u89c2\u70b9\u4f17\u591a\uff0c\u5b83\u771f\u6b63\u53d6\u51b3\u4e8e\u4e2a\u4eba\u504f\u597d\u548c\u5e94\u7528\u7a0b\u5e8f\u9700\u6c42\u3002\u4e00\u822c\u6765\u8bf4\uff0c\u4e0e\u7cfb\u7edf\u5185\u5b58\u76f8\u7b49\u6216\u4e24\u500d\u7684\u4ea4\u6362\u7a7a\u95f4\u662f\u4e00\u4e2a\u4e0d\u9519\u7684\u8d77\u70b9\u3002\u53e6\u4e00\u4e2a\u7ecf\u9a8c\u6cd5\u5219\u662f\uff0c\u5982\u679c\u60a8\u4ec5\u5c06\u5176\u4f5c\u4e3a\u5185\u5b58\u5907\u7528\uff0c\u8d85\u8fc74G\u7684\u4ea4\u6362\u7a7a\u95f4\u53ef\u80fd\u662f\u4e0d\u5fc5\u8981\u7684\u3002<\/p>\n<h2>\u7b2c\u4e09\u6b65 &#8211; \u521b\u5efa\u4ea4\u6362\u6587\u4ef6<\/h2>\n<p>\u65e2\u7136\u6211\u4eec\u5df2\u7ecf\u4e86\u89e3\u4e86\u53ef\u7528\u7684\u786c\u76d8\u7a7a\u95f4\uff0c\u6211\u4eec\u53ef\u4ee5\u5728\u6587\u4ef6\u7cfb\u7edf\u4e0a\u521b\u5efa\u4e00\u4e2a\u4ea4\u6362\u6587\u4ef6\u3002\u6211\u4eec\u5c06\u5728\u6839\u76ee\u5f55\uff08<code>\/<\/code>\uff09\u4e0b\u5206\u914d\u4e00\u4e2a\u540d\u4e3a<code>swapfile<\/code>\u7684\u6587\u4ef6\uff0c\u5e76\u6307\u5b9a\u5176\u5927\u5c0f\u3002<\/p>\n<p>\u521b\u5efa\u4ea4\u6362\u6587\u4ef6\u7684\u6700\u4f73\u65b9\u6cd5\u662f\u4f7f\u7528<code>fallocate<\/code>\u7a0b\u5e8f\u3002\u8be5\u547d\u4ee4\u53ef\u4ee5\u7acb\u5373\u521b\u5efa\u6307\u5b9a\u5927\u5c0f\u7684\u6587\u4ef6\u3002<\/p>\n<p>\u7531\u4e8e\u793a\u4f8b\u4e2d\u7684\u670d\u52a1\u5668\u5177\u67091G\u7684RAM\uff0c\u56e0\u6b64\u6211\u4eec\u5c06\u5728\u672c\u6307\u5357\u4e2d\u521b\u5efa\u4e00\u4e2a1G\u7684\u6587\u4ef6\u3002\u8bf7\u6839\u636e\u60a8\u81ea\u5df1\u7684\u670d\u52a1\u5668\u9700\u6c42\u8fdb\u884c\u8c03\u6574\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"token function\">sudo<\/span> fallocate <span class=\"token parameter variable\">-l<\/span> <mark>1G<\/mark> \/swapfile<\/code><\/pre>\n<p>\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7\u8f93\u5165\u4ee5\u4e0b\u547d\u4ee4\u6765\u9a8c\u8bc1\u662f\u5426\u5df2\u6b63\u786e\u9884\u7559\u4e86\u9002\u5f53\u7684\u7a7a\u95f4\u91cf\uff1a<\/p>\n<pre class=\"post-pre\"><code><span class=\"token function\">ls<\/span> <span class=\"token parameter variable\">-lh<\/span> \/swapfile<\/code><\/pre>\n<pre class=\"post-pre\"><code>-rw-r--r-- 1 root root 1.0G Aug 23 11:14 \/swapfile<\/code><\/pre>\n<p>\u6211\u4eec\u7684\u6587\u4ef6\u5df2\u6210\u529f\u521b\u5efa\uff0c\u5e76\u5206\u914d\u4e86\u9002\u5f53\u7684\u7a7a\u95f4\u3002<\/p>\n<h2>\u7b2c\u56db\u6b65 &#8211; \u542f\u7528\u4ea4\u6362\u6587\u4ef6<\/h2>\n<p>\u65e2\u7136\u6211\u4eec\u5df2\u7ecf\u6709\u4e86\u4e00\u4e2a\u6b63\u786e\u5927\u5c0f\u7684\u6587\u4ef6\uff0c\u73b0\u5728\u6211\u4eec\u9700\u8981\u5c06\u5176\u8f6c\u6362\u4e3a\u4ea4\u6362\u7a7a\u95f4\u3002<\/p>\n<p>\u9996\u5148\uff0c\u6211\u4eec\u9700\u8981\u9501\u5b9a\u6587\u4ef6\u7684\u6743\u9650\uff0c\u53ea\u5141\u8bb8\u5177\u6709root\u6743\u9650\u7684\u7528\u6237\u8bfb\u53d6\u6587\u4ef6\u5185\u5bb9\u3002\u8fd9\u6837\u505a\u53ef\u4ee5\u9632\u6b62\u666e\u901a\u7528\u6237\u8bbf\u95ee\u6587\u4ef6\uff0c\u4ece\u800c\u907f\u514d\u9020\u6210\u91cd\u5927\u7684\u5b89\u5168\u9690\u60a3\u3002<\/p>\n<p>\u901a\u8fc7\u8f93\u5165\u4ee5\u4e0b\u547d\u4ee4\uff0c\u5c06\u6587\u4ef6\u6743\u9650\u9650\u5236\u4e3a\u4ec5root\u7528\u6237\u8bbf\u95ee\uff1a<\/p>\n<pre class=\"post-pre\"><code><span class=\"token function\">sudo<\/span> <span class=\"token function\">chmod<\/span> <span class=\"token number\">600<\/span> \/swapfile<\/code><\/pre>\n<p>\u901a\u8fc7\u8f93\u5165\u4ee5\u4e0b\u547d\u4ee4\u9a8c\u8bc1\u6743\u9650\u66f4\u6539\uff1a<\/p>\n<pre class=\"post-pre\"><code><span class=\"token function\">ls<\/span> <span class=\"token parameter variable\">-lh<\/span> \/swapfile<\/code><\/pre>\n<div class=\"secondary-code-label\" title=\"Output\">\u8f93\u51fa<\/div>\n<pre class=\"post-pre\"><code><mark>-rw-------<\/mark> 1 root root 1.0G Aug 23 11:14 \/swapfile<\/code><\/pre>\n<p>\u6b63\u5982\u60a8\u6240\u89c1\uff0c\u53ea\u6709root\u7528\u6237\u62e5\u6709\u8bfb\u53d6\u548c\u5199\u5165\u6743\u9650\u3002<\/p>\n<p>\u73b0\u5728\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7\u8f93\u5165\u4ee5\u4e0b\u547d\u4ee4\u5c06\u6587\u4ef6\u6807\u8bb0\u4e3a\u4ea4\u6362\u7a7a\u95f4\uff1a<\/p>\n<pre class=\"post-pre\"><code><span class=\"token function\">sudo<\/span> <span class=\"token function\">mkswap<\/span> \/swapfile<\/code><\/pre>\n<div class=\"secondary-code-label\" title=\"Output\">\u8f93\u51fa<\/div>\n<pre class=\"post-pre\"><code>Setting up swapspace version 1, size = 1024 MiB (1073737728 bytes) no label, UUID=6e965805-2ab9-450f-aed6-577e74089dbf<\/code><\/pre>\n<p>\u6807\u8bb0\u6587\u4ef6\u540e\uff0c\u6211\u4eec\u5c31\u53ef\u4ee5\u542f\u7528\u4ea4\u6362\u6587\u4ef6\uff0c\u8ba9\u7cfb\u7edf\u5f00\u59cb\u4f7f\u7528\u5b83\u3002<\/p>\n<pre class=\"post-pre\"><code><ol>\r\n \t<li data-prefix=\"$\"><span class=\"token function\">sudo<\/span> <span class=\"token function\">swapon<\/span> \/swapfile<\/li>\r\n<\/ol><\/code><\/pre>\n<p>\u901a\u8fc7\u8f93\u5165\u4ee5\u4e0b\u547d\u4ee4\u9a8c\u8bc1\u4ea4\u6362\u7a7a\u95f4\u662f\u5426\u53ef\u7528\u3002<\/p>\n<pre class=\"post-pre\"><code><ol>\r\n \t<li data-prefix=\"$\"><span class=\"token function\">sudo<\/span> <span class=\"token function\">swapon<\/span> <span class=\"token parameter variable\">--show<\/span><\/li>\r\n<\/ol><\/code><\/pre>\n<div class=\"secondary-code-label\" title=\"Output\">\u8f93\u51fa<\/div>\n<pre class=\"post-pre\"><code>NAME TYPE SIZE USED PRIO \/swapfile file 1024M 0B -2<\/code><\/pre>\n<p>\u6211\u4eec\u53ef\u4ee5\u518d\u6b21\u68c0\u67e5 <code>free<\/code> \u547d\u4ee4\u7684\u8f93\u51fa\uff0c\u4ee5\u8bc1\u5b9e\u6211\u4eec\u7684\u53d1\u73b0\u3002<\/p>\n<pre class=\"post-pre\"><code><ol>\r\n \t<li data-prefix=\"$\"><span class=\"token function\">free<\/span> <span class=\"token parameter variable\">-h<\/span><\/li>\r\n<\/ol><\/code><\/pre>\n<div class=\"secondary-code-label\" title=\"Output\">\u8f93\u51fa<\/div>\n<pre class=\"post-pre\"><code>total used free shared buff\/cache available Mem: 976Mi 85Mi 612Mi 0.0Ki 279Mi 756Mi <mark>Swap: 1.0Gi 0B 1.0Gi<\/mark><\/code><\/pre>\n<p>\u6211\u4eec\u7684\u4ea4\u6362\u7a7a\u95f4\u5df2\u6210\u529f\u8bbe\u7f6e\uff0c\u64cd\u4f5c\u7cfb\u7edf\u5c06\u6839\u636e\u9700\u8981\u5f00\u59cb\u4f7f\u7528\u5b83\u3002<\/p>\n<h2>\u7b2c\u4e94\u6b65 &#8211; \u4f7f\u4ea4\u6362\u6587\u4ef6\u6c38\u4e45\u751f\u6548<\/h2>\n<p>\u6211\u4eec\u6700\u8fd1\u7684\u66f4\u6539\u5df2\u4e3a\u5f53\u524d\u4f1a\u8bdd\u542f\u7528\u4e86\u4ea4\u6362\u6587\u4ef6\u3002\u4f46\u662f\uff0c\u5982\u679c\u7cfb\u7edf\u91cd\u542f\uff0c\u670d\u52a1\u5668\u5c06\u4e0d\u4f1a\u81ea\u52a8\u4fdd\u7559\u4ea4\u6362\u8bbe\u7f6e\u3002\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7\u5c06\u4ea4\u6362\u6587\u4ef6\u6dfb\u52a0\u5230 <code>\/etc\/fstab<\/code> \u6587\u4ef6\u6765\u89e3\u51b3\u8fd9\u4e2a\u95ee\u9898\u3002<\/p>\n<p>\u5982\u679c\u51fa\u73b0\u95ee\u9898\uff0c\u8bf7\u52a1\u5fc5\u5907\u4efd <code>\/etc\/fstab<\/code> \u6587\u4ef6\u3002<\/p>\n<pre class=\"post-pre\"><code><ol>\r\n \t<li data-prefix=\"$\"><span class=\"token function\">sudo<\/span> <span class=\"token function\">cp<\/span> \/etc\/fstab \/etc\/fstab.bak<\/li>\r\n<\/ol><\/code><\/pre>\n<p>\u5728\u60a8\u7684 <code>\/etc\/fstab<\/code> \u6587\u4ef6\u672b\u5c3e\u6dfb\u52a0\u4ea4\u6362\u6587\u4ef6\u4fe1\u606f\uff0c\u8f93\u5165\u4ee5\u4e0b\u5185\u5bb9\uff1a<\/p>\n<pre class=\"post-pre\"><code><ol>\r\n \t<li data-prefix=\"$\"><span class=\"token builtin class-name\">echo<\/span> <span class=\"token string\">'\/swapfile none swap sw 0 0'<\/span> <span class=\"token operator\">|<\/span> <span class=\"token function\">sudo<\/span> <span class=\"token function\">tee<\/span> <span class=\"token parameter variable\">-a<\/span> \/etc\/fstab<\/li>\r\n<\/ol><\/code><\/pre>\n<p>\u63a5\u4e0b\u6765\uff0c\u6211\u4eec\u5c06\u56de\u987e\u4e00\u4e9b\u53ef\u4ee5\u66f4\u65b0\u7684\u8bbe\u7f6e\uff0c\u4ee5\u8c03\u6574\u6211\u4eec\u7684\u4ea4\u6362\u7a7a\u95f4\u3002<\/p>\n<h2>\u7b2c\u516d\u6b65 &#8211; \u8c03\u6574\u60a8\u7684\u4ea4\u6362\u8bbe\u7f6e<\/h2>\n<p>\u5728\u5904\u7406\u4ea4\u6362\u7a7a\u95f4\u65f6\uff0c\u60a8\u53ef\u4ee5\u914d\u7f6e\u51e0\u9879\u9009\u9879\uff0c\u8fd9\u4e9b\u9009\u9879\u4f1a\u5bf9\u7cfb\u7edf\u7684\u6027\u80fd\u4ea7\u751f\u5f71\u54cd\u3002<\/p>\n<h3>\u8c03\u6574 Swappiness \u5c5e\u6027<\/h3>\n<p><code>swappiness<\/code> \u53c2\u6570\u914d\u7f6e\u4e86\u7cfb\u7edf\u5c06\u6570\u636e\u4ece RAM \u4ea4\u6362\u5230\u4ea4\u6362\u7a7a\u95f4\u7684\u9891\u7387\u3002\u8fd9\u662f\u4e00\u4e2a\u4ecb\u4e8e 0 \u5230 100 \u4e4b\u95f4\u7684\u767e\u5206\u6bd4\u503c\u3002<\/p>\n<p>\u5f53\u6570\u503c\u63a5\u8fd1\u96f6\u65f6\uff0c\u5185\u6838\u53ea\u4f1a\u5728\u7edd\u5bf9\u5fc5\u8981\u7684\u60c5\u51b5\u4e0b\u5c06\u6570\u636e\u6362\u51fa\u5230\u78c1\u76d8\u3002\u8bf7\u8bb0\u4f4f\uff0c\u4e0e\u4ea4\u6362\u6587\u4ef6\u7684\u4ea4\u4e92\u662f\u201c\u4ee3\u4ef7\u9ad8\u6602\u201d\u7684\uff0c\u56e0\u4e3a\u4e0e RAM \u7684\u4ea4\u4e92\u76f8\u6bd4\uff0c\u5b83\u4eec\u9700\u8981\u66f4\u957f\u7684\u65f6\u95f4\uff0c\u5e76\u4e14\u53ef\u80fd\u4f1a\u5bfc\u81f4\u6027\u80fd\u663e\u8457\u964d\u4f4e\u3002\u901a\u5e38\u6765\u8bf4\uff0c\u544a\u8bc9\u7cfb\u7edf\u4e0d\u8981\u8fc7\u591a\u4f9d\u8d56\u4ea4\u6362\u6587\u4ef6\u4f1a\u4f7f\u7cfb\u7edf\u66f4\u5feb\u3002<\/p>\n<p>\u6570\u503c\u63a5\u8fd1 100 \u7684\u503c\u5c06\u5c1d\u8bd5\u66f4\u591a\u5730\u5c06\u6570\u636e\u653e\u5165\u4ea4\u6362\u533a\uff0c\u4ee5\u4fdd\u6301\u66f4\u591a\u7684 RAM \u7a7a\u95f4\u7a7a\u95f2\u3002\u6839\u636e\u60a8\u7684\u5e94\u7528\u7a0b\u5e8f\u7684\u5185\u5b58\u914d\u7f6e\u6587\u4ef6\u6216\u670d\u52a1\u5668\u7528\u9014\uff0c\u8fd9\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\u53ef\u80fd\u66f4\u597d\u3002<\/p>\n<p>\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7\u8f93\u5165\u4ee5\u4e0b\u547d\u4ee4\u6765\u67e5\u770b\u5f53\u524d\u7684 <code>swappiness<\/code> \u503c\uff1a<\/p>\n<pre class=\"post-pre\"><code><ol>\r\n \t<li data-prefix=\"$\"><span class=\"token function\">cat<\/span> \/proc\/sys\/vm\/swappiness<\/li>\r\n<\/ol><\/code><\/pre>\n<div class=\"secondary-code-label\" title=\"Output\">\u8f93\u51fa<\/div>\n<pre class=\"post-pre\"><code>60<\/code><\/pre>\n<p>\u5bf9\u4e8e\u684c\u9762\u7535\u8111\u800c\u8a00\uff0c\u5c06 <code>swappiness<\/code> \u8bbe\u7f6e\u4e3a 60 \u5e76\u4e0d\u662f\u4e00\u4e2a\u574f\u7684\u503c\u3002\u5bf9\u4e8e\u670d\u52a1\u5668\uff0c\u60a8\u53ef\u80fd\u66f4\u5e0c\u671b\u5c06\u5176\u8c03\u6574\u63a5\u8fd1\u4e8e 0\u3002<\/p>\n<p>\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528 <code>sysctl<\/code> \u547d\u4ee4\u5c06 <code>swappiness<\/code> \u8bbe\u7f6e\u4e3a\u4e0d\u540c\u7684\u503c\u3002<\/p>\n<p>\u4f8b\u5982\uff0c\u8981\u5c06 <code>swappiness<\/code> \u8bbe\u7f6e\u4e3a 10\uff0c\u6211\u4eec\u53ef\u4ee5\u952e\u5165\uff1a<\/p>\n<pre class=\"post-pre\"><code><ol>\r\n \t<li data-prefix=\"$\"><span class=\"token function\">sudo<\/span> <span class=\"token function\">sysctl<\/span> <span class=\"token assign-left variable\">vm.swappiness<\/span><span class=\"token operator\">=<\/span><span class=\"token number\">10<\/span><\/li>\r\n<\/ol><\/code><\/pre>\n<div class=\"secondary-code-label\" title=\"Output\">\u8f93\u51fa<\/div>\n<pre class=\"post-pre\"><code>vm.swappiness = 10<\/code><\/pre>\n<p>\u8fd9\u4e2a\u8bbe\u7f6e\u5c06\u5728\u4e0b\u6b21\u91cd\u542f\u4e4b\u524d\u6301\u7eed\u4fdd\u6301\u3002\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7\u5c06\u4ee5\u4e0b\u884c\u6dfb\u52a0\u5230\u6211\u4eec\u7684 <code>\/etc\/sysctl.conf<\/code> \u6587\u4ef6\u4e2d\uff0c\u5728\u91cd\u542f\u65f6\u81ea\u52a8\u8bbe\u7f6e\u8fd9\u4e2a\u503c\u3002<\/p>\n<pre class=\"post-pre\"><code><ol>\r\n \t<li data-prefix=\"$\"><span class=\"token function\">sudo<\/span> <span class=\"token function\">nano<\/span> \/etc\/sysctl.conf<\/li>\r\n<\/ol><\/code><\/pre>\n<p>\u5728\u6587\u4ef6\u5e95\u90e8\uff0c\u60a8\u53ef\u4ee5\u6dfb\u52a0\uff1a<\/p>\n<pre class=\"post-pre\"><code>vm.swappiness=10<\/code><\/pre>\n<p>\u5b8c\u6210\u7f16\u8f91\u540e\uff0c\u8bf7\u4fdd\u5b58\u5e76\u5173\u95ed\u6587\u4ef6\u3002<\/p>\n<h3>\u8c03\u6574\u7f13\u5b58\u538b\u529b\u8bbe\u7f6e<\/h3>\n<h2>\u4f18\u5316Debian 11 \u4e0a\u7684vfs_cache_pressure\u8bbe\u7f6e<\/h2>\n<p>\u5728Debian 11 \u7cfb\u7edf\u4e2d\uff0c\u9664\u4e86\u8c03\u6574<code>swappiness<\/code>\u503c\uff0c\u53e6\u4e00\u4e2a\u503c\u5f97\u5173\u6ce8\u7684\u53c2\u6570\u662f<code>vfs_cache_pressure<\/code>\u3002\u8fd9\u4e2a\u8bbe\u7f6e\u51b3\u5b9a\u4e86\u7cfb\u7edf\u5728\u7f13\u5b58inode\uff08\u7d22\u5f15\u8282\u70b9\uff09\u548cdentry\uff08\u76ee\u5f55\u9879\uff09\u4fe1\u606f\u65f6\uff0c\u4f18\u5148\u56de\u6536\u5176\u4ed6\u7c7b\u578b\u6570\u636e\u7f13\u5b58\u7684\u6bd4\u4f8b\u3002<\/p>\n<p>\u7b80\u800c\u8a00\u4e4b\uff0c\u6587\u4ef6\u7cfb\u7edf\u6570\u636e\u7684\u8bbf\u95ee\u662f\u4e00\u4e2a\u8d44\u6e90\u5bc6\u96c6\u578b\u8fc7\u7a0b\uff0c\u5e76\u4e14\u901a\u5e38\u4f1a\u88ab\u9891\u7e41\u8bf7\u6c42\uff0c\u56e0\u6b64\u7cfb\u7edf\u7f13\u5b58\u8fd9\u4e9b\u4fe1\u606f\u80fd\u663e\u8457\u63d0\u5347\u6027\u80fd\u3002\u60a8\u53ef\u4ee5\u901a\u8fc7\u67e5\u8be2<code>\/proc<\/code>\u6587\u4ef6\u7cfb\u7edf\u6765\u67e5\u770b\u5f53\u524d\u7684<code>vfs_cache_pressure<\/code>\u503c\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"token function\">cat<\/span> \/proc\/sys\/vm\/vfs_cache_pressure<\/code><\/pre>\n<div class=\"secondary-code-label\" title=\"Output\">\u8f93\u51fa<\/div>\n<pre class=\"post-pre\"><code>100<\/code><\/pre>\n<p>\u5728\u5f53\u524d\u7cfb\u7edf\u914d\u7f6e\u4e0b\uff0c\u6211\u4eec\u7684\u7d22\u5f15\u8282\u70b9\u4fe1\u606f\u7f13\u5b58\u53ef\u80fd\u88ab\u8fc7\u5feb\u5730\u56de\u6536\u3002\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u547d\u4ee4\u5c06\u5176\u8bbe\u7f6e\u4e3a\u4e00\u4e2a\u66f4\u4fdd\u5b88\u7684\u503c\uff0c\u4f8b\u5982<code>50<\/code>\uff0c\u4ee5\u51cf\u5c11\u7f13\u5b58\u56de\u6536\u7684\u9891\u7387\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"token function\">sudo<\/span> <span class=\"token function\">sysctl<\/span> <span class=\"token assign-left variable\">vm.vfs_cache_pressure<\/span><span class=\"token operator\">=<\/span><span class=\"token number\">50<\/span><\/code><\/pre>\n<div class=\"secondary-code-label\" title=\"Output\">\u8f93\u51fa<\/div>\n<pre class=\"post-pre\"><code>vm.vfs_cache_pressure = 50<\/code><\/pre>\n<p>\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0c\u6b64\u66f4\u6539\u4ec5\u5728\u5f53\u524d\u4f1a\u8bdd\u4e2d\u6709\u6548\u3002\u4e3a\u4e86\u4f7f\u66f4\u6539\u6c38\u4e45\u751f\u6548\uff0c\u6211\u4eec\u9700\u8981\u5c06\u5176\u6dfb\u52a0\u5230\u914d\u7f6e\u6587\u4ef6\u4e2d\uff0c\u5c31\u50cf\u6211\u4eec\u8c03\u6574<code>swappiness<\/code>\u8bbe\u7f6e\u65f6\u6240\u505a\u7684\u90a3\u6837\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"token function\">sudo<\/span> <span class=\"token function\">nano<\/span> \/etc\/sysctl.conf<\/code><\/pre>\n<p>\u5728<code>\/etc\/sysctl.conf<\/code>\uff08\u7cfb\u7edf\u63a7\u5236\u53c2\u6570\u914d\u7f6e\u6587\u4ef6\uff09\u6587\u4ef6\u7684\u5e95\u90e8\uff0c\u6dfb\u52a0\u4ee5\u4e0b\u4e00\u884c\u4ee3\u7801\u6765\u6307\u5b9a\u60a8\u7684\u65b0\u503c\uff1a<\/p>\n<pre class=\"post-pre\"><code>vm.vfs_cache_pressure=50<\/code><\/pre>\n<p>\u5b8c\u6210\u7f16\u8f91\u540e\uff0c\u4fdd\u5b58\u5e76\u5173\u95ed\u6587\u4ef6\u3002<\/p>\n<h2>\u7ed3\u8bba<\/h2>\n<p>\u9075\u5faa\u672c\u6307\u5357\u4e2d\u7684\u6b65\u9aa4\uff0c\u60a8\u53ef\u4ee5\u4e3a\u7cfb\u7edf\u63d0\u4f9b\u989d\u5916\u7684\u7f13\u51b2\u7a7a\u95f4\uff0c\u4ee5\u5e94\u5bf9\u53ef\u80fd\u5bfc\u81f4\u5185\u5b58\u6ea2\u51fa\uff08OOM\uff09\u5f02\u5e38\u7684\u60c5\u51b5\u3002\u4ea4\u6362\u7a7a\u95f4\u5728\u907f\u514d\u8fd9\u4e9b\u5e38\u89c1\u95ee\u9898\u65b9\u9762\u53d1\u6325\u7740\u81f3\u5173\u91cd\u8981\u7684\u4f5c\u7528\u3002<\/p>\n<p>\u5982\u679c\u60a8\u9047\u5230\u5185\u5b58\u4e0d\u8db3\u7684\u9519\u8bef\uff0c\u6216\u8005\u53d1\u73b0\u60a8\u7684\u7cfb\u7edf\u65e0\u6cd5\u6b63\u5e38\u8fd0\u884c\u6240\u9700\u7684\u5e94\u7528\u7a0b\u5e8f\uff0c\u6700\u4f73\u7684\u89e3\u51b3\u65b9\u6848\u901a\u5e38\u662f\u4f18\u5316\u60a8\u7684\u5e94\u7528\u7a0b\u5e8f\u914d\u7f6e\u6216\u8003\u8651\u5347\u7ea7\u60a8\u7684\u670d\u52a1\u5668\u786c\u4ef6\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u7b80\u4ecb \u5728\u5e94\u7528\u7a0b\u5e8f\u4e2d\u9632\u6b62\u5185\u5b58\u6ea2\u51fa\u9519\u8bef\u7684\u4e00\u79cd\u6709\u6548\u65b9\u6cd5\u662f\u4e3a\u670d\u52a1\u5668\u6dfb\u52a0\u4e00\u4e9b\u4ea4\u6362\u7a7a\u95f4\u3002\u672c\u6307\u5357\u5c06\u8be6\u7ec6\u4ecb\u7ecd\u5982\u4f55\u5728Debian [&hellip;]<\/p>\n","protected":false},"author":6,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[338,311,441,440,203],"class_list":["post-75","post","type-post","status-publish","format-standard","hentry","category-uncategorized","tag-debian-11","tag-linux","tag-swap","tag-440","tag-203"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.5 (Yoast SEO v21.5) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Debian 11\u7cfb\u7edf\uff1a\u8f7b\u677e\u6269\u5c55\u4ea4\u6362\u7a7a\u95f4\uff0c\u63d0\u5347\u6027\u80fd\uff01 - Blog - Silicon 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