{"id":62775,"date":"2025-04-29T12:33:09","date_gmt":"2025-04-29T04:33:09","guid":{"rendered":"https:\/\/fwq.ai\/blog\/62775\/"},"modified":"2025-04-29T12:33:09","modified_gmt":"2025-04-29T04:33:09","slug":"%e5%a6%82%e4%bd%95%e4%bc%98%e5%8c%96linux%e7%b3%bb%e7%bb%9f%e7%9a%84%e7%a3%81%e7%9b%98%e6%80%a7%e8%83%bd%e5%92%8c%e5%ad%98%e5%82%a8%e6%80%a7%e8%83%bd-3","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/62775\/","title":{"rendered":"\u5982\u4f55\u4f18\u5316Linux\u7cfb\u7edf\u7684\u78c1\u76d8\u6027\u80fd\u548c\u5b58\u50a8\u6027\u80fd"},"content":{"rendered":"<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/000\/465\/014\/169933053870037.jpg\" class=\"aligncenter\" title=\"\u5982\u4f55\u4f18\u5316Linux\u7cfb\u7edf\u7684\u78c1\u76d8\u6027\u80fd\u548c\u5b58\u50a8\u6027\u80fd\u63d2\u56fe\" alt=\"\u5982\u4f55\u4f18\u5316Linux\u7cfb\u7edf\u7684\u78c1\u76d8\u6027\u80fd\u548c\u5b58\u50a8\u6027\u80fd\u63d2\u56fe\" \/><\/p>\n<p>\u5982\u4f55\u4f18\u5316Linux\u7cfb\u7edf\u7684\u78c1\u76d8\u6027\u80fd\u548c\u5b58\u50a8\u6027\u80fd<\/p>\n<p>\u78c1\u76d8\u6027\u80fd\u548c\u5b58\u50a8\u6027\u80fd\u5bf9\u4e8e\u4efb\u4f55\u4e00\u4e2a\u7cfb\u7edf\u6765\u8bf4\u90fd\u975e\u5e38\u91cd\u8981\uff0c\u56e0\u4e3a\u5b83\u4eec\u76f4\u63a5\u5f71\u54cd\u5230\u7cfb\u7edf\u7684\u54cd\u5e94\u901f\u5ea6\u548c\u6570\u636e\u5904\u7406\u80fd\u529b\u3002\u5bf9\u4e8eLinux\u7cfb\u7edf\u6765\u8bf4\uff0c\u901a\u8fc7\u4e00\u4e9b\u4f18\u5316\u63aa\u65bd\uff0c\u53ef\u4ee5\u63d0\u5347\u78c1\u76d8\u6027\u80fd\u548c\u5b58\u50a8\u6027\u80fd\u3002\u672c\u6587\u5c06\u4ecb\u7ecd\u51e0\u79cd\u5e38\u7528\u7684\u4f18\u5316\u65b9\u6cd5\uff0c\u5e76\u63d0\u4f9b\u76f8\u5e94\u7684\u4ee3\u7801\u793a\u4f8b\u3002<\/p>\n<ol>\n<li>\n<p>\u4f7f\u7528\u56fa\u6001\u786c\u76d8 (SSD) \u66ff\u4ee3\u673a\u68b0\u786c\u76d8<br \/>\u56fa\u6001\u786c\u76d8\u5177\u6709\u66f4\u9ad8\u7684\u8bfb\u5199\u901f\u5ea6\u548c\u66f4\u4f4e\u7684\u5ef6\u8fdf\uff0c\u56e0\u6b64\u66ff\u6362\u673a\u68b0\u786c\u76d8\u4e3a\u56fa\u6001\u786c\u76d8\u53ef\u4ee5\u663e\u8457\u63d0\u5347\u7cfb\u7edf\u7684\u78c1\u76d8\u6027\u80fd\u3002\u5728Linux\u7cfb\u7edf\u4e2d\uff0c\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u547d\u4ee4\u67e5\u770b\u786c\u76d8\u4fe1\u606f\uff1a<\/p>\n<pre>sudo lshw -class disk<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<p>\u786e\u8ba4\u786c\u76d8\u7c7b\u578b\u540e\uff0c\u5c06\u56fa\u6001\u786c\u76d8\u8fde\u63a5\u5230\u7cfb\u7edf\u5e76\u6309\u7167\u8bf4\u660e\u4e66\u8fdb\u884c\u521d\u59cb\u5316\u548c\u914d\u7f6e\u3002<\/p>\n<\/li>\n<li>\n<p>\u8c03\u6574\u8bfb\u5199\u7f13\u5b58\u53c2\u6570<br \/>Linux\u7cfb\u7edf\u901a\u8fc7\u7f13\u5b58\u6765\u51cf\u5c11\u78c1\u76d8\u8bfb\u5199\u64cd\u4f5c\u5bf9\u6027\u80fd\u7684\u5f71\u54cd\u3002\u901a\u8fc7\u8c03\u6574\u8bfb\u5199\u7f13\u5b58\u53c2\u6570\uff0c\u53ef\u4ee5\u63d0\u5347\u5b58\u50a8\u6027\u80fd\u3002\u4fee\u6539\u4ee5\u4e0b\u6587\u4ef6\u4e2d\u7684\u76f8\u5173\u53c2\u6570\uff1a<\/p>\n<pre>sudo nano \/etc\/sysctl.conf<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<p>\u5c06\u4ee5\u4e0b\u884c\u6dfb\u52a0\u5230\u6587\u4ef6\u672b\u5c3e\uff1a<\/p>\n<pre>vm.dirty_background_ratio = 5\nvm.dirty_ratio = 10\nvm.dirty_expire_centisecs = 500\nvm.dirty_writeback_centisecs = 100<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<p>\u8fd9\u4e9b\u53c2\u6570\u5c06\u8c03\u6574\u810f\u9875\uff08\u5df2\u4fee\u6539\u4f46\u5c1a\u672a\u5199\u5165\u78c1\u76d8\u7684\u9875\u9762\uff09\u7684\u6bd4\u4f8b\u3001\u8fc7\u671f\u65f6\u95f4\u548c\u56de\u5199\u65f6\u95f4\u3002\u4fdd\u5b58\u6587\u4ef6\u5e76\u8fd0\u884c\u4ee5\u4e0b\u547d\u4ee4\u4f7f\u4fee\u6539\u751f\u6548\uff1a<\/p>\n<pre>sudo sysctl -p<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/li>\n<li>\n<p>\u4f7f\u7528IO\u8c03\u5ea6\u7a0b\u5e8f<br \/>Linux\u7cfb\u7edf\u63d0\u4f9b\u4e86\u591a\u79cdIO\u8c03\u5ea6\u7a0b\u5e8f\uff0c\u53ef\u4ee5\u6839\u636e\u4e0d\u540c\u7684\u5e94\u7528\u573a\u666f\u9009\u62e9\u6700\u5408\u9002\u7684\u8c03\u5ea6\u7a0b\u5e8f\u3002\u901a\u8fc7\u8c03\u6574IO\u8c03\u5ea6\u7a0b\u5e8f\uff0c\u53ef\u4ee5\u63d0\u5347\u78c1\u76d8\u6027\u80fd\u3002\u67e5\u770b\u5f53\u524d\u4f7f\u7528\u7684IO\u8c03\u5ea6\u7a0b\u5e8f\uff1a<\/p>\n<pre>cat \/sys\/block\/sda\/queue\/scheduler<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<p>\u5e38\u89c1\u7684\u8c03\u5ea6\u7a0b\u5e8f\u6709noop\u3001deadline\u548ccfq\u3002\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u547d\u4ee4\u66f4\u6539IO\u8c03\u5ea6\u7a0b\u5e8f\uff1a<\/p>\n<pre>sudo echo \"noop\" &amp;gt; \/sys\/block\/sda\/queue\/scheduler<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<p>\u5c06sda\u66ff\u6362\u4e3a\u7cfb\u7edf\u4e2d\u5b9e\u9645\u4f7f\u7528\u7684\u78c1\u76d8\u3002\u6ce8\u610f\uff0c\u8fd9\u79cd\u65b9\u5f0f\u4ec5\u5728\u91cd\u542f\u540e\u751f\u6548\uff0c\u82e5\u8981\u7acb\u5373\u751f\u6548\u53ef\u4ee5\u8fd0\u884c\u4ee5\u4e0b\u547d\u4ee4\uff1a<\/p>\n<pre>sudo sysctl -w vm.swappiness=1<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/li>\n<li>\n<p>\u542f\u7528TRIM\u652f\u6301<br \/>TRIM\u662f\u4e00\u79cdSSD\u78c1\u76d8\u7684\u7279\u6027\uff0c\u53ef\u4ee5\u63d0\u5347\u78c1\u76d8\u6027\u80fd\u548c\u5bff\u547d\u3002\u542f\u7528TRIM\u652f\u6301\u4f1a\u81ea\u52a8\u6e05\u9664\u5df2\u5220\u9664\u6587\u4ef6\u7684\u6570\u636e\uff0c\u51cf\u5c11\u5199\u5165\u65f6\u7684\u5ef6\u8fdf\u548c\u5199\u5165\u64cd\u4f5c\u7684\u6b21\u6570\u3002\u5728Linux\u7cfb\u7edf\u4e2d\uff0c\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u547d\u4ee4\u542f\u7528TRIM\u652f\u6301\uff1a<\/p>\n<pre>sudo nano \/etc\/fstab<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<p>\u5728\u6302\u8f7d\u78c1\u76d8\u7684\u884c\u4e2d\u6dfb\u52a0discard\u9009\u9879\uff0c\u5982\uff1a<\/p>\n<pre>UUID=xxx \/ ext4 noatime,errors=remount-ro,discard 0 1<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<p>\u5c06xxx\u66ff\u6362\u4e3a\u5b9e\u9645\u7684UUID\u3002\u4fdd\u5b58\u6587\u4ef6\u5e76\u91cd\u65b0\u6302\u8f7d\u78c1\u76d8\uff1a<\/p>\n<pre>sudo mount -o remount \/<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/li>\n<\/ol>\n<p>\u7efc\u4e0a\u6240\u8ff0\uff0c\u901a\u8fc7\u4f7f\u7528\u56fa\u6001\u786c\u76d8\u3001\u8c03\u6574\u8bfb\u5199\u7f13\u5b58\u53c2\u6570\u3001\u4f7f\u7528\u5408\u9002\u7684IO\u8c03\u5ea6\u7a0b\u5e8f\u548c\u542f\u7528TRIM\u652f\u6301\uff0c\u53ef\u4ee5\u4f18\u5316Linux\u7cfb\u7edf\u7684\u78c1\u76d8\u6027\u80fd\u548c\u5b58\u50a8\u6027\u80fd\u3002\u8fd9\u4e9b\u65b9\u6cd5\u53ef\u4ee5\u6839\u636e\u5b9e\u9645\u9700\u6c42\u8fdb\u884c\u8c03\u6574\uff0c\u5e76\u53ef\u4ee5\u5728\u7cfb\u7edf\u8fd0\u884c\u65f6\u8fdb\u884c\u52a8\u6001\u4f18\u5316\u3002<\/p>\n<p>\uff08\u6ce8\uff1a\u4ee5\u4e0a\u4ee3\u7801\u793a\u4f8b\u4ec5\u4f5c\u4e3a\u53c2\u8003\uff0c\u5b9e\u9645\u64cd\u4f5c\u4e2d\u8bf7\u6839\u636e\u7cfb\u7edf\u548c\u9700\u6c42\u8fdb\u884c\u8c03\u6574\u548c\u4fee\u6539\u3002\u53e6\u5916\uff0c\u8bf7\u8c28\u614e\u64cd\u4f5c\uff0c\u907f\u514d\u5bf9\u7cfb\u7edf\u9020\u6210\u4e0d\u53ef\u6062\u590d\u7684\u635f\u574f\u3002\uff09<\/p>\n<p>\u4ee5\u4e0a\u5c31\u662f\u5982\u4f55\u4f18\u5316Linux\u7cfb\u7edf\u7684\u78c1\u76d8\u6027\u80fd\u548c\u5b58\u50a8\u6027\u80fd\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8FDCServers\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5982\u4f55\u4f18\u5316Linux\u7cfb\u7edf\u7684\u78c1\u76d8\u6027\u80fd\u548c\u5b58\u50a8\u6027\u80fd \u78c1\u76d8\u6027\u80fd\u548c\u5b58\u50a8\u6027\u80fd\u5bf9\u4e8e\u4efb\u4f55\u4e00\u4e2a\u7cfb\u7edf\u6765\u8bf4\u90fd\u975e\u5e38\u91cd\u8981\uff0c\u56e0\u4e3a\u5b83\u4eec\u76f4\u63a5\u5f71\u54cd\u5230\u7cfb\u7edf\u7684\u54cd\u5e94\u901f\u5ea6\u548c\u6570\u636e\u5904\u7406\u80fd\u529b\u3002\u5bf9\u4e8eLinux\u7cfb\u7edf\u6765\u8bf4\uff0c\u901a\u8fc7\u4e00\u4e9b\u4f18\u5316\u63aa\u65bd\uff0c\u53ef\u4ee5\u63d0\u5347\u78c1\u76d8\u6027\u80fd\u548c\u5b58\u50a8\u6027\u80fd\u3002\u672c\u6587\u5c06\u4ecb\u7ecd\u51e0\u79cd\u5e38\u7528\u7684\u4f18\u5316\u65b9\u6cd5\uff0c\u5e76\u63d0\u4f9b\u76f8\u5e94\u7684\u4ee3\u7801\u793a\u4f8b\u3002 \u4f7f\u7528\u56fa\u6001\u786c\u76d8 (SSD) \u66ff\u4ee3\u673a\u68b0\u786c\u76d8\u56fa\u6001\u786c\u76d8\u5177\u6709\u66f4\u9ad8\u7684\u8bfb\u5199\u901f\u5ea6\u548c\u66f4\u4f4e\u7684\u5ef6\u8fdf\uff0c\u56e0\u6b64\u66ff\u6362\u673a\u68b0\u786c\u76d8\u4e3a\u56fa\u6001\u786c\u76d8\u53ef\u4ee5\u663e\u8457\u63d0\u5347\u7cfb\u7edf\u7684\u78c1\u76d8\u6027\u80fd\u3002\u5728Linux\u7cfb\u7edf\u4e2d\uff0c\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u547d\u4ee4\u67e5\u770b\u786c\u76d8\u4fe1\u606f\uff1a sudo lshw -class disk \u767b\u5f55\u540e\u590d\u5236 \u786e\u8ba4\u786c\u76d8\u7c7b\u578b\u540e\uff0c\u5c06\u56fa\u6001\u786c\u76d8\u8fde\u63a5\u5230\u7cfb\u7edf\u5e76\u6309\u7167\u8bf4\u660e\u4e66\u8fdb\u884c\u521d\u59cb\u5316\u548c\u914d\u7f6e\u3002 \u8c03\u6574\u8bfb\u5199\u7f13\u5b58\u53c2\u6570Linux\u7cfb\u7edf\u901a\u8fc7\u7f13\u5b58\u6765\u51cf\u5c11\u78c1\u76d8\u8bfb\u5199\u64cd\u4f5c\u5bf9\u6027\u80fd\u7684\u5f71\u54cd\u3002\u901a\u8fc7\u8c03\u6574\u8bfb\u5199\u7f13\u5b58\u53c2\u6570\uff0c\u53ef\u4ee5\u63d0\u5347\u5b58\u50a8\u6027\u80fd\u3002\u4fee\u6539\u4ee5\u4e0b\u6587\u4ef6\u4e2d\u7684\u76f8\u5173\u53c2\u6570\uff1a sudo nano \/etc\/sysctl.conf \u767b\u5f55\u540e\u590d\u5236 \u5c06\u4ee5\u4e0b\u884c\u6dfb\u52a0\u5230\u6587\u4ef6\u672b\u5c3e\uff1a vm.dirty_background_ratio = 5 vm.dirty_ratio = 10 vm.dirty_expire_centisecs = 500 vm.dirty_writeback_centisecs = 100 \u767b\u5f55\u540e\u590d\u5236 \u8fd9\u4e9b\u53c2\u6570\u5c06\u8c03\u6574\u810f\u9875\uff08\u5df2\u4fee\u6539\u4f46\u5c1a\u672a\u5199\u5165\u78c1\u76d8\u7684\u9875\u9762\uff09\u7684\u6bd4\u4f8b\u3001\u8fc7\u671f\u65f6\u95f4\u548c\u56de\u5199\u65f6\u95f4\u3002\u4fdd\u5b58\u6587\u4ef6\u5e76\u8fd0\u884c\u4ee5\u4e0b\u547d\u4ee4\u4f7f\u4fee\u6539\u751f\u6548\uff1a sudo sysctl -p \u767b\u5f55\u540e\u590d\u5236 \u4f7f\u7528IO\u8c03\u5ea6\u7a0b\u5e8fLinux\u7cfb\u7edf\u63d0\u4f9b\u4e86\u591a\u79cdIO\u8c03\u5ea6\u7a0b\u5e8f\uff0c\u53ef\u4ee5\u6839\u636e\u4e0d\u540c\u7684\u5e94\u7528\u573a\u666f\u9009\u62e9\u6700\u5408\u9002\u7684\u8c03\u5ea6\u7a0b\u5e8f\u3002\u901a\u8fc7\u8c03\u6574IO\u8c03\u5ea6\u7a0b\u5e8f\uff0c\u53ef\u4ee5\u63d0\u5347\u78c1\u76d8\u6027\u80fd\u3002\u67e5\u770b\u5f53\u524d\u4f7f\u7528\u7684IO\u8c03\u5ea6\u7a0b\u5e8f\uff1a cat \/sys\/block\/sda\/queue\/scheduler \u767b\u5f55\u540e\u590d\u5236 \u5e38\u89c1\u7684\u8c03\u5ea6\u7a0b\u5e8f\u6709noop\u3001deadline\u548ccfq\u3002\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u547d\u4ee4\u66f4\u6539IO\u8c03\u5ea6\u7a0b\u5e8f\uff1a sudo echo &#8220;noop&#8221; &amp;gt; \/sys\/block\/sda\/queue\/scheduler \u767b\u5f55\u540e\u590d\u5236 \u5c06sda\u66ff\u6362\u4e3a\u7cfb\u7edf\u4e2d\u5b9e\u9645\u4f7f\u7528\u7684\u78c1\u76d8\u3002\u6ce8\u610f\uff0c\u8fd9\u79cd\u65b9\u5f0f\u4ec5\u5728\u91cd\u542f\u540e\u751f\u6548\uff0c\u82e5\u8981\u7acb\u5373\u751f\u6548\u53ef\u4ee5\u8fd0\u884c\u4ee5\u4e0b\u547d\u4ee4\uff1a sudo sysctl -w vm.swappiness=1 \u767b\u5f55\u540e\u590d\u5236 \u542f\u7528TRIM\u652f\u6301TRIM\u662f\u4e00\u79cdSSD\u78c1\u76d8\u7684\u7279\u6027\uff0c\u53ef\u4ee5\u63d0\u5347\u78c1\u76d8\u6027\u80fd\u548c\u5bff\u547d\u3002\u542f\u7528TRIM\u652f\u6301\u4f1a\u81ea\u52a8\u6e05\u9664\u5df2\u5220\u9664\u6587\u4ef6\u7684\u6570\u636e\uff0c\u51cf\u5c11\u5199\u5165\u65f6\u7684\u5ef6\u8fdf\u548c\u5199\u5165\u64cd\u4f5c\u7684\u6b21\u6570\u3002\u5728Linux\u7cfb\u7edf\u4e2d\uff0c\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u547d\u4ee4\u542f\u7528TRIM\u652f\u6301\uff1a sudo nano [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[8],"tags":[],"class_list":["post-62775","post","type-post","status-publish","format-standard","hentry","category-os"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/62775","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/comments?post=62775"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/62775\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=62775"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=62775"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=62775"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}