{"id":33296,"date":"2026-09-18T10:00:00","date_gmt":"2026-09-18T02:00:00","guid":{"rendered":"https:\/\/cn.hostease.com\/blog\/?p=33296"},"modified":"2026-09-18T12:27:59","modified_gmt":"2026-09-18T04:27:59","slug":"server-disk-full-df-du-cleanup","status":"publish","type":"post","link":"https:\/\/cn.hostease.com\/blog\/guides\/server-disk-full-df-du-cleanup\/","title":{"rendered":"\u670d\u52a1\u5668\u78c1\u76d8\u7206\u6ee1\u5e94\u6025\u5904\u7406\uff1adf \u4e0e du \u5b9a\u4f4d\u5927\u6587\u4ef6\u5e76\u5b89\u5168\u6e05\u7406"},"content":{"rendered":"<p><img decoding=\"async\" src=\"https:\/\/cn.hostease.com\/blog\/wp-content\/uploads\/2026\/09\/server-disk-full-df-du-cleanup-cover.webp\" alt=\"\u670d\u52a1\u5668\u78c1\u76d8\u7206\u6ee1\u5e94\u6025\u5904\u7406\u5c01\u9762\u56fe\" loading=\"lazy\" \/><\/p>\n<p>\u51cc\u6668\u6536\u5230\u78c1\u76d8\u544a\u8b66\u3001\u7f51\u7ad9\u7a81\u7136\u6253\u4e0d\u5f00\u3001\u6570\u636e\u5e93\u5199\u5165\u5931\u8d25\u2014\u2014\u670d\u52a1\u5668\u78c1\u76d8\u7206\u6ee1\u662f\u8fd0\u7ef4\u4e2d\u6700\u7d27\u6025\u7684\u6545\u969c\u4e4b\u4e00\u3002\u5b83\u4e0d\u4ec5\u8ba9\u7f51\u7ad9\u762b\u75ea\uff0c\u8fd8\u4f1a\u8ba9 MySQL\uff08\u6d41\u884c\u7684\u5f00\u6e90\u6570\u636e\u5e93\uff09\u4e2d\u65ad\u5199\u5165\u3001\u65e5\u5fd7\u65e0\u6cd5\u843d\u76d8\uff0c\u6062\u590d\u7a97\u53e3\u62d6\u5f97\u8d8a\u4e45\u98ce\u9669\u8d8a\u5927\u3002\u8fd9\u7bc7\u6307\u5357\u4f1a\u6559\u4f60\u5982\u4f55\u7528 df \u4e0e du \u4e24\u6761\u547d\u4ee4\u5feb\u901f\u5b9a\u4f4d\u7a7a\u95f4\u53bb\u5411\uff0c\u8bc6\u522b\u65e5\u5fd7\u81a8\u80c0\u3001Docker \u955c\u50cf\u5806\u79ef\u3001binlog \u5931\u63a7\u4e09\u5927\u5e38\u89c1\u5143\u51f6\uff0c\u5e76\u5b89\u5168\u6e05\u7406\u800c\u4e0d\u8bef\u4f24\u4e1a\u52a1\u6570\u636e\u3002\u65e0\u8bba\u4f60\u7528\u7684\u662f<a href=\"https:\/\/cn.hostease.com\/dedicated-server\/\">\u72ec\u7acb\u670d\u52a1\u5668<\/a>\u8fd8\u662f <a href=\"https:\/\/cn.hostease.com\/vps\/\">VPS<\/a>\uff08<a href=\"https:\/\/cn.hostease.com\/vps\/\">\u865a\u62df\u4e13\u7528\u670d\u52a1\u5668<\/a>\uff09\uff0c\u8fd9\u5957\u6392\u67e5\u8def\u5f84\u90fd\u80fd\u76f4\u63a5\u7167\u505a\u3002<\/p>\n<h2>\u4e00\u3001\u78c1\u76d8\u7206\u6ee1\u7684\u5178\u578b\u4fe1\u53f7\u4e0e\u5148\u6b62\u8840<\/h2>\n<p>\u5904\u7406\u6545\u969c\u524d\u5148\u8bc6\u522b\u75c7\u72b6\u3002\u78c1\u76d8\u5feb\u6ee1\u6216\u5df2\u6ee1\u65f6\uff0c\u670d\u52a1\u5668\u4f1a\u7ed9\u51fa\u8fd9\u4e9b\u4fe1\u53f7\uff1a<code>df<\/code> \u8f93\u51fa\u4e2d\u6839\u5206\u533a\u6216\u6570\u636e\u5206\u533a\u4f7f\u7528\u7387\u8d85\u8fc7 90%\uff1b\u7f51\u7ad9\u8fd4\u56de 500 \u6216 502\uff0c\u56e0\u4e3a PHP \u5df2\u65e0\u6cd5\u5199\u4e34\u65f6\u6587\u4ef6\uff1bMySQL \u65e5\u5fd7\u51fa\u73b0 &#8220;Disk full&#8221;\uff1b<code>systemctl<\/code> \u542f\u52a8\u670d\u52a1\u5931\u8d25\uff1b\u6781\u7aef\u60c5\u51b5\u4e0b\u8fde SSH \u767b\u5f55\u90fd\u4f1a\u56e0\u4e3a\u65e0\u6cd5\u5199\u4f1a\u8bdd\u6587\u4ef6\u800c\u5361\u4f4f\u3002<\/p>\n<p>\u5982\u679c\u670d\u52a1\u5df2\u7ecf\u4e2d\u65ad\uff0c\u7b2c\u4e00\u52a8\u4f5c\u662f&#8221;\u6b62\u8840&#8221;\u800c\u4e0d\u662f\u6162\u6162\u5206\u6790\u3002\u5148\u6e05\u7a7a\u5360\u7a7a\u95f4\u6700\u660e\u663e\u7684\u4e00\u7c7b\u6587\u4ef6\u2014\u2014\u7cfb\u7edf\u65e5\u5fd7\uff1a<\/p>\n<pre><code class=\"language-bash\">journalctl --disk-usage\njournalctl --vacuum-size=200M\n<\/code><\/pre>\n<p>\u7b2c\u4e00\u6761\u67e5\u770b systemd journal \u65e5\u5fd7\u5360\u7528\uff0c\u7b2c\u4e8c\u6761\u628a journal \u538b\u7f29\u5230 200MB\u3002journal \u662f\u78c1\u76d8\u7206\u6ee1\u6848\u4f8b\u4e2d\u5360\u6bd4\u6781\u9ad8\u7684\u5143\u51f6\uff1a\u9ed8\u8ba4\u914d\u7f6e\u4e0b\u5b83\u4f1a\u81ea\u52a8\u8f6e\u8f6c\uff0c\u4f46\u5982\u679c\u67d0\u4e2a\u670d\u52a1\u75af\u72c2\u5237\u9519\u8bef\u65e5\u5fd7\uff08\u6bd4\u5982\u6570\u636e\u5e93\u8fde\u63a5\u5931\u8d25\u6bcf\u79d2\u91cd\u8bd5\uff09\uff0c\u51e0\u5341 GB \u7684\u65e5\u5fd7\u51e0\u4e2a\u5c0f\u65f6\u5c31\u80fd\u5806\u51fa\u6765\u3002\u6267\u884c\u5b8c\u8fd9\u4e24\u6761\u547d\u4ee4\uff0c\u591a\u6570\u7d27\u6025\u573a\u666f\u80fd\u5148\u817e\u51fa\u51e0\u4e2a GB\uff0c\u8ba9\u670d\u52a1\u6062\u590d\u5199\u5165\uff0c\u518d\u4ece\u5bb9\u8fdb\u5165\u5b9a\u4f4d\u9636\u6bb5\u3002\u66f4\u591a\u65e5\u5e38\u5de1\u68c0\u601d\u8def\u53ef\u53c2\u8003 <a href=\"https:\/\/cn.hostease.com\/blog\/server\/\">\u670d\u52a1\u5668\u4f18\u5316\u4e13\u680f<\/a>\u3002<\/p>\n<h2>\u4e8c\u3001df \u4e0e du\uff1a\u5b9a\u4f4d\u7a7a\u95f4\u53bb\u5411\u7684\u4e24\u628a\u5c3a\u5b50<\/h2>\n<p>\u6b62\u8840\u4e4b\u540e\u8981\u56de\u7b54\u7684\u95ee\u9898\u662f\uff1a\u7a7a\u95f4\u5230\u5e95\u53bb\u54ea\u4e86\uff1fdf \u4e0e du \u5206\u5de5\u4e0d\u540c\uff1adf \u770b&#8221;\u6bcf\u4e2a\u6587\u4ef6\u7cfb\u7edf\u8fd8\u5269\u591a\u5c11&#8221;\uff0cdu \u770b&#8221;\u67d0\u4e2a\u76ee\u5f55\u5360\u4e86\u591a\u5c11&#8221;\u3002\u6392\u67e5\u4ece df \u5f00\u59cb\uff1a<\/p>\n<pre><code class=\"language-bash\">df -hT\n<\/code><\/pre>\n<p><code>-h<\/code> \u4ee5\u4eba\u7c7b\u53ef\u8bfb\u7684 GB\/MB \u663e\u793a\uff0c<code>-T<\/code> \u9644\u52a0\u6587\u4ef6\u7cfb\u7edf\u7c7b\u578b\u3002\u91cd\u70b9\u770b\u4e24\u4e2a\u6570\u5b57\uff1aUse% \u8d85\u8fc7 90% \u7684\u5206\u533a\uff0c\u4ee5\u53ca\u5b83\u6302\u8f7d\u5728\u54ea\u4e2a\u76ee\u5f55\uff08\u901a\u5e38\u662f <code>\/<\/code> \u6216 <code>\/var<\/code>\uff09\u3002\u540c\u65f6\u7559\u610f inode\uff1a<\/p>\n<pre><code class=\"language-bash\">df -i\n<\/code><\/pre>\n<p>\u6709\u4e00\u79cd\u7279\u6b8a\u6545\u969c\u662f&#8221;\u7a7a\u95f4\u6ca1\u7528\u5b8c\u4f46\u78c1\u76d8\u62a5\u6ee1&#8221;\u2014\u2014\u6d77\u91cf\u5c0f\u6587\u4ef6\uff08\u6bd4\u5982\u90ae\u4ef6\u961f\u5217\u3001\u4f1a\u8bdd\u6587\u4ef6\uff09\u628a inode \u8017\u5c3d\uff0c\u6b64\u65f6 df -h \u663e\u793a\u6b63\u5e38\uff0cdf -i \u5374\u63a5\u8fd1 100%\u3002\u4e24\u79cd\u53e3\u5f84\u90fd\u8981\u770b\uff0c\u624d\u80fd\u4e0d\u6f0f\u5224\u3002<\/p>\n<p>\u786e\u8ba4\u7206\u6ee1\u7684\u5206\u533a\u540e\uff0c\u7528 du \u4ece\u6839\u76ee\u5f55\u5411\u4e0b\u94bb\u3002<code>\/proc<\/code>\u3001<code>\/sys<\/code>\u3001<code>\/dev<\/code> \u662f\u5185\u6838\u865a\u62df\u76ee\u5f55\uff0c\u5fc5\u987b\u6392\u9664\uff1a<\/p>\n<pre><code class=\"language-bash\">du -h --max-depth=1 \/ 2&gt;\/dev\/null | sort -hr | head -15\n<\/code><\/pre>\n<p>\u8fd9\u6761\u547d\u4ee4\u5217\u51fa\u6839\u4e0b\u6bcf\u4e2a\u4e00\u7ea7\u76ee\u5f55\u7684\u5b9e\u9645\u5360\u7528\u5e76\u6309\u5927\u5c0f\u6392\u5e8f\u3002<code>--max-depth=1<\/code> \u63a7\u5236\u6df1\u5ea6\u907f\u514d\u8f93\u51fa\u7206\u70b8\uff0c<code>2&gt;\/dev\/null<\/code> \u4e22\u5f03\u6743\u9650\u4e0d\u8db3\u7684\u62a5\u9519\u3002\u770b\u5230\u53ef\u7591\u76ee\u5f55\uff08\u5e38\u89c1\u662f <code>\/var<\/code>\u3001<code>\/home<\/code>\u3001<code>\/usr<\/code>\u3001<code>\/opt<\/code>\uff09\u540e\uff0c\u9010\u5c42\u4e0b\u94bb\u91cd\u590d\u6267\u884c\uff0c\u6bd4\u5982 <code>du -h --max-depth=1 \/var | sort -hr | head<\/code>\uff0c\u4e24\u4e09\u5c42\u4e4b\u5185\u5c31\u80fd\u9501\u5b9a\u5927\u76ee\u5f55\u3002\u6700\u540e\u627e\u5177\u4f53\u5927\u6587\u4ef6\uff1a<\/p>\n<pre><code class=\"language-bash\">find \/var -type f -size +500M -exec ls -lh {} \\; 2&gt;\/dev\/null\n<\/code><\/pre>\n<p>\u8d85\u8fc7 500MB \u7684\u6587\u4ef6\u4f1a\u9010\u4e00\u5217\u51fa\u3002\u628a\u8fd9\u5957&#8221;df \u5b9a\u4f4d\u5206\u533a \u2192 du \u5b9a\u4f4d\u76ee\u5f55 \u2192 find \u5b9a\u4f4d\u6587\u4ef6&#8221;\u7684\u8def\u5f84\u8d70\u5b8c\uff0c\u7a7a\u95f4\u53bb\u5411\u81ea\u7136\u6c34\u843d\u77f3\u51fa\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/cn.hostease.com\/blog\/wp-content\/uploads\/2026\/09\/disk-usage-drill-down.webp\" alt=\"df \u4e0e du \u9010\u5c42\u5b9a\u4f4d\u78c1\u76d8\u5360\u7528\u793a\u610f\u56fe\" loading=\"lazy\" \/><\/p>\n<h2>\u4e09\u3001\u4e09\u5927\u5e38\u89c1\u5143\u51f6\u4e0e\u5bf9\u5e94\u7684\u5b89\u5168\u6e05\u7406\u65b9\u6cd5<\/h2>\n<p>\u5b9a\u4f4d\u5230\u5177\u4f53\u6587\u4ef6\u540e\uff0c\u4e0d\u80fd\u89c1\u5927\u5c31\u5220\u3002\u4ee5\u4e0b\u4e09\u7c7b\u662f\u751f\u4ea7\u73af\u5883\u78c1\u76d8\u7206\u6ee1\u7684\u5e38\u5ba2\uff0c\u5404\u81ea\u7684\u6e05\u7406\u65b9\u5f0f\u5dee\u522b\u5f88\u5927\u3002<\/p>\n<p><strong>\u5143\u51f6\u4e00\uff1a\u65e5\u5fd7\u6587\u4ef6\u5931\u63a7\u3002<\/strong> <code>\/var\/log<\/code> \u662f du \u6392\u67e5\u4e2d\u7684\u9ad8\u9891\u76ee\u7684\u5730\u3002\u5178\u578b\u6a21\u5f0f\u662f\u67d0\u670d\u52a1\u5f02\u5e38\u540e\u6bcf\u79d2\u5237\u65e5\u5fd7\uff0c\u65e5\u5fd7\u6587\u4ef6\u81a8\u80c0\u5230\u51e0\u5341 GB\u3002\u5b89\u5168\u6e05\u7406\u5206\u4e24\u6b65\uff1a\u5148\u7528 <code>journalctl --vacuum-size=200M<\/code> \u5904\u7406 journal\uff1b\u5bf9\u666e\u901a\u65e5\u5fd7\u5148\u786e\u8ba4\u5199\u5165\u65b9\u5df2\u505c\u6b62\u6216\u5df2\u8f6e\u8f6c\u518d\u5220\u9664\u3002\u8fd9\u91cc\u6709\u4e2a\u7ecf\u5178\u9677\u9631\uff1a\u7528 <code>rm<\/code> \u5220\u9664\u4e00\u4e2a\u4ecd\u88ab\u8fdb\u7a0b\u6253\u5f00\u7684\u65e5\u5fd7\u6587\u4ef6\uff0c<code>df<\/code> \u663e\u793a\u7684\u7a7a\u95f4\u5e76\u4e0d\u4f1a\u56de\u6765\u2014\u2014\u6587\u4ef6\u53e5\u67c4\u8fd8\u5728\u8fdb\u7a0b\u624b\u91cc\uff0cinode \u672a\u91ca\u653e\u3002\u6b63\u786e\u59ff\u52bf\u662f\u6e05\u7a7a\u800c\u4e0d\u662f\u5220\u9664\uff1a<\/p>\n<pre><code class=\"language-bash\">&gt; \/var\/log\/nginx\/error.log\n<\/code><\/pre>\n<p><code>&gt;<\/code> \u628a\u6587\u4ef6\u622a\u65ad\u4e3a 0 \u5b57\u8282\uff0c\u8fdb\u7a0b\u7684\u5199\u5165\u4f4d\u7f6e\u91cd\u7f6e\uff0c\u78c1\u76d8\u7a7a\u95f4\u7acb\u5373\u91ca\u653e\u3002\u6e05\u7a7a\u540e\u8bb0\u5f97\u68c0\u67e5 <code>lsof +L1<\/code>\uff0c\u5217\u51fa\u6240\u6709&#8221;\u5df2\u5220\u9664\u4f46\u4ecd\u5360\u7528\u7a7a\u95f4&#8221;\u7684\u6587\u4ef6\uff0c\u82e5\u8fd8\u6709\u6b8b\u7559\uff0c\u91cd\u542f\u5bf9\u5e94\u670d\u52a1\u5373\u53ef\u5f7b\u5e95\u56de\u6536\u3002<\/p>\n<p><strong>\u5143\u51f6\u4e8c\uff1aDocker \u955c\u50cf\u4e0e\u5bb9\u5668\u5783\u573e\u3002<\/strong> \u8dd1\u8fc7\u51e0\u6b21\u955c\u50cf\u6784\u5efa\u6216\u53cd\u590d <code>docker pull<\/code> \u4e4b\u540e\uff0c<code>\/var\/lib\/docker<\/code> \u5f88\u5bb9\u6613\u5403\u6389\u51e0\u5341 GB\u3002\u5b89\u5168\u6e05\u7406\u4e00\u6761\u547d\u4ee4\uff1a<\/p>\n<pre><code class=\"language-bash\">docker system prune -af\n<\/code><\/pre>\n<p>\u5b83\u4f1a\u5220\u9664\u6240\u6709\u672a\u4f7f\u7528\u7684\u955c\u50cf\u3001\u505c\u6b62\u7684\u5bb9\u5668\u548c\u672a\u5f15\u7528\u7684\u7f51\u7edc\u3002\u6ce8\u610f <code>-a<\/code> \u4f1a\u628a\u5f53\u524d\u6ca1\u6709\u5bb9\u5668\u5f15\u7528\u7684\u955c\u50cf\u5168\u90e8\u6e05\u6389\uff0c\u4e0b\u6b21\u542f\u52a8\u8981\u91cd\u65b0\u62c9\u53d6\u3002\u4fdd\u5b88\u505a\u6cd5\u662f\u5148 <code>docker system df<\/code> \u770b\u5360\u7528\u5206\u5e03\uff0c\u53ea\u5220\u60ac\u7a7a\u955c\u50cf\uff1a<code>docker image prune -f<\/code>\uff1b\u82e5\u786e\u8ba4\u6ca1\u6709\u672a\u6302\u8f7d\u4f46\u5b58\u6709\u6570\u636e\u7684\u5377\uff0c\u518d\u8003\u8651\u8ffd\u52a0 <code>--volumes<\/code>\u3002<\/p>\n<p><strong>\u5143\u51f6\u4e09\uff1aMySQL binlog \u5806\u79ef\u3002<\/strong> \u5f00\u542f\u4e3b\u4ece\u590d\u5236\u6216\u9ed8\u8ba4 binlog \u914d\u7f6e\u4e0b\uff0c<code>\/var\/lib\/mysql<\/code> \u91cc\u7684 <code>binlog.0000xx<\/code> \u6587\u4ef6\u4f1a\u6301\u7eed\u589e\u957f\uff0c\u51e0\u5929\u4e0d\u7ba1\u5c31\u662f\u51e0\u5341 GB\u3002\u5b89\u5168\u7684\u6e05\u7406\u65b9\u5f0f\u4e0d\u662f\u624b\u52a8 rm\u2014\u2014\u90a3\u4f1a\u7834\u574f\u590d\u5236\u4f4d\u70b9\u2014\u2014\u800c\u662f\u767b\u5f55 MySQL \u6267\u884c\uff1a<\/p>\n<pre><code class=\"language-sql\">PURGE BINARY LOGS BEFORE NOW() - INTERVAL 7 DAY;\n<\/code><\/pre>\n<p>\u8fd9\u4f1a\u5220\u9664 7 \u5929\u524d\u7684\u6240\u6709 binlog\uff0c\u4fdd\u7559\u6700\u8fd1\u4e00\u5468\u7528\u4e8e\u6062\u590d\u4e0e\u590d\u5236\u3002\u518d\u987a\u624b\u8bbe\u4e0a\u9650\u9632\u6b62\u590d\u53d1\uff0c\u5728 <code>my.cnf<\/code> \u7684 <code>[mysqld]<\/code> \u6bb5\u4e2d\u52a0\u5165\uff1a<\/p>\n<pre><code class=\"language-ini\">binlog_expire_logs_seconds = 604800\nmax_binlog_size = 500M\n<\/code><\/pre>\n<p>\u7b2c\u4e00\u6761\u8ba9 binlog 7 \u5929\u81ea\u52a8\u8fc7\u671f\uff08604800 \u79d2\uff09\uff0c\u7b2c\u4e8c\u6761\u9650\u5236\u5355\u4e2a\u6587\u4ef6 500MB\u3002\u6570\u636e\u5e93\u7c7b\u6545\u969c\u7684\u66f4\u591a\u5904\u7406\u601d\u8def\uff0c\u53ef\u5ef6\u4f38\u9605\u8bfb <a href=\"https:\/\/cn.hostease.com\/blog\/wordpress\/\">WordPress \u6570\u636e\u5e93\u4e0e\u4e3b\u673a\u5b9e\u8df5<\/a>\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/cn.hostease.com\/blog\/wp-content\/uploads\/2026\/09\/safe-cleanup-actions.webp\" alt=\"\u65e5\u5fd7\u3001\u955c\u50cf\u4e0e binlog \u4e09\u7c7b\u5b89\u5168\u6e05\u7406\u52a8\u4f5c\u5bf9\u7167\" loading=\"lazy\" \/><\/p>\n<h2>\u56db\u3001\u5220\u9664\u524d\u5fc5\u987b\u8fc7\u4e00\u904d\u7684\u5b89\u5168\u6e05\u5355<\/h2>\n<p>\u4e0a\u9762\u4e09\u7c7b\u4e4b\u5916\u7684\u6587\u4ef6\uff0c\u5220\u9664\u524d\u5efa\u8bae\u8d70\u4e00\u904d\u7b80\u77ed\u7684\u5b89\u5168\u6838\u5bf9\uff0c\u907f\u514d&#8221;\u5220\u65f6\u4e00\u65f6\u723d\u3001\u6062\u590d\u706b\u846c\u573a&#8221;\u3002<\/p>\n<p><strong>\u5148\u786e\u8ba4\u4e0d\u662f\u4e1a\u52a1\u6570\u636e\u3002<\/strong> \u6570\u636e\u5e93\u6587\u4ef6\uff08<code>.ibd<\/code>\u3001<code>.frm<\/code>\uff09\u3001\u7f51\u7ad9\u76ee\u5f55\u3001\u7528\u6237\u4e0a\u4f20\u5185\u5bb9\uff0c\u8fd9\u4e9b\u6c38\u8fdc\u4e0d\u5728&#8221;\u53ef\u5220&#8221;\u6e05\u5355\u91cc\u3002\u5224\u65ad\u65b9\u6cd5\uff1a\u770b\u8def\u5f84\u662f\u5426\u5728\u4e1a\u52a1\u76ee\u5f55\u4e0b\u3001\u770b\u6587\u4ef6\u4fee\u6539\u65f6\u95f4\u662f\u5426\u6d3b\u8dc3\u3001\u7528 <code>lsof &lt;\u6587\u4ef6&gt;<\/code> \u786e\u8ba4\u6ca1\u6709\u8fdb\u7a0b\u6b63\u5728\u4f7f\u7528\u3002\u62ff\u4e0d\u51c6\u7684\u6587\u4ef6\uff0c\u5148\u79fb\u52a8\u5230\u4e34\u65f6\u76ee\u5f55\u653e\u4e09\u5929\u518d\u5220\uff0c\u6bd4\u76f4\u63a5 rm \u7a33\u59a5\u5f97\u591a\u3002<\/p>\n<p><strong>\u4f18\u5148\u622a\u65ad\u800c\u975e\u5220\u9664\u3002<\/strong> \u6240\u6709\u6b63\u5728\u88ab\u5199\u5165\u7684\u65e5\u5fd7\uff0c\u90fd\u7528 <code>&gt;<\/code> \u6e05\u7a7a\u4ee3\u66ff <code>rm<\/code>\uff0c\u8fd9\u662f\u4e0a\u4e00\u8282\u5f3a\u8c03\u8fc7\u7684\u539f\u5219\u3002\u6e05\u7a7a\u540e\u8fd0\u884c <code>df -h<\/code> \u786e\u8ba4\u7a7a\u95f4\u771f\u7684\u56de\u6765\u4e86\uff1b\u82e5\u6ca1\u6709\uff0c<code>lsof +L1 | sort -k7 -nr | head<\/code> \u627e\u51fa\u5360\u7740\u53e5\u67c4\u7684\u8fdb\u7a0b\u3002<\/p>\n<p><strong>\u5220\u524d\u7559\u6863\u3002<\/strong> \u91cd\u5927\u6e05\u7406\u524d\u628a\u5f85\u5220\u6e05\u5355\u843d\u5230\u4e00\u4e2a\u6587\u672c\u6587\u4ef6\u91cc\uff08<code>find ... &gt; \/tmp\/cleanup-list.txt<\/code>\uff09\uff0c\u65e2\u65b9\u4fbf\u590d\u67e5\uff0c\u4e5f\u4fbf\u4e8e\u4e8b\u540e\u5411\u56e2\u961f\u8bf4\u660e\u6e05\u6389\u4e86\u4ec0\u4e48\u3002\u751f\u4ea7\u73af\u5883\u7684\u4e00\u6b21\u8c28\u614e\u64cd\u4f5c\uff0c\u80dc\u8fc7\u5341\u6b21\u5feb\u901f\u56de\u6eda\u3002<\/p>\n<p>\u5982\u679c\u53cd\u590d\u6392\u67e5\u540e\u78c1\u76d8\u4f9d\u7136\u5403\u7d27\uff0c\u95ee\u9898\u53ef\u80fd\u4e0d\u5728\u5783\u573e\u6587\u4ef6\u800c\u5728\u5bb9\u91cf\u672c\u8eab\u2014\u2014\u4e1a\u52a1\u6570\u636e\u589e\u957f\u3001\u5907\u4efd\u7b56\u7565\u4fdd\u7559\u8fc7\u4e45\u90fd\u4f1a\u63a8\u9ad8\u57fa\u7ebf\u3002\u8fd9\u65f6\u4e0e\u5176\u53cd\u590d\u6e05\u7406\uff0c\u4e0d\u5982\u8bc4\u4f30 <a href=\"https:\/\/cn.hostease.com\/dedicated-server\/\">\u72ec\u7acb\u670d\u52a1\u5668<\/a> \u6216\u66f4\u5927\u78c1\u76d8\u7684\u65b9\u6848\uff0cHostease \u7684\u670d\u52a1\u5668\u65b9\u6848\u652f\u6301\u6309\u9700\u6269\u5bb9\uff0c\u907f\u514d\u4e1a\u52a1\u589e\u957f\u9891\u7e41\u649e\u4e0a\u78c1\u76d8\u5929\u82b1\u677f\u3002<\/p>\n<h2>\u4e94\u3001\u9884\u9632\uff1a\u8ba9\u78c1\u76d8\u6c38\u8fdc\u4e0d\u518d&#8221;\u7a81\u7136&#8221;\u7206\u6ee1<\/h2>\n<p>\u5e94\u6025\u5904\u7406\u505a\u5f97\u518d\u5feb\uff0c\u4e5f\u4e0d\u5982\u8ba9\u6545\u969c\u4e0d\u53d1\u751f\u3002\u9884\u9632\u78c1\u76d8\u7206\u6ee1\u53ea\u9700\u8981\u4e09\u9053\u9632\u7ebf\uff0c\u6210\u672c\u90fd\u4e0d\u9ad8\u3002<\/p>\n<p>\u7b2c\u4e00\u9053\u662f\u78c1\u76d8\u7528\u91cf\u544a\u8b66\u3002\u4e0e\u5176\u7b49\u78c1\u76d8\u6ee1\u4e86\u518d\u6551\u706b\uff0c\u4e0d\u5982\u5728 80% \u65f6\u5c31\u6536\u5230\u901a\u77e5\u3002\u6ca1\u6709\u4e13\u4e1a\u76d1\u63a7\u6808\u7684\u60c5\u51b5\u4e0b\uff0ccron \u52a0\u4e00\u884c\u68c0\u67e5\u5c31\u591f\u7528\uff1a\u6bcf\u5929\u6267\u884c <code>df -h<\/code> \u5e76\u5bf9\u8d85\u8fc7\u9608\u503c\u7684\u5206\u533a\u8f93\u51fa\u544a\u8b66\uff0c\u914d\u5408\u90ae\u4ef6\u6216\u5373\u65f6\u901a\u77e5\u5373\u53ef\u3002\u4e5f\u53ef\u4f7f\u7528\u73b0\u6210\u76d1\u63a7\u65b9\u6848\uff0c\u4f8b\u5982\u57fa\u4e8e <a href=\"https:\/\/cn.hostease.com\/blog\/guides\/ttfb-hosting-optimization\/\">TTFB \u4e3b\u673a\u4f18\u5316\u6307\u5357<\/a> \u91cc\u63d0\u5230\u7684\u6027\u80fd\u76d1\u63a7\u601d\u8def\u505a\u6269\u5c55\u3002<\/p>\n<p>\u7b2c\u4e8c\u9053\u662f\u65e5\u5fd7\u8f6e\u8f6c\u515c\u5e95\u3002\u786e\u8ba4 <code>\/etc\/logrotate.conf<\/code> \u53ca <code>\/etc\/logrotate.d\/<\/code> \u4e0b\u5404\u670d\u52a1\u7684\u914d\u7f6e\u751f\u6548\uff0c\u6838\u5fc3\u53c2\u6570\u662f <code>rotate<\/code> \u4fdd\u7559\u4efd\u6570\u4e0e <code>size<\/code> \u5355\u6587\u4ef6\u4e0a\u9650\u3002\u5bf9 journal \u8bbe\u5b9a\u6301\u4e45\u4e0a\u9650\uff1a\u5728 <code>\/etc\/systemd\/journald.conf<\/code> \u4e2d\u5199 <code>SystemMaxUse=500M<\/code>\uff0c\u91cd\u542f journald \u540e\u751f\u6548\uff0cjournal \u6c38\u8fdc\u4e0d\u4f1a\u8d85\u8fc7\u8fd9\u4e2a\u6570\u3002<\/p>\n<p>\u7b2c\u4e09\u9053\u662f\u5b9a\u671f\u7a7a\u95f4\u5ba1\u8ba1\u3002\u6bcf\u5468\u4f4e\u5cf0\u671f\u8dd1\u4e00\u6b21\u6587\u7ae0\u7b2c\u4e8c\u8282\u7684 du \u4e0b\u94bb\u547d\u4ee4\uff0c\u628a\u7ed3\u679c\u5b58\u6863\u5bf9\u6bd4\u3002\u7a7a\u95f4\u589e\u957f\u7684\u8d8b\u52bf\u6bd4\u7edd\u5bf9\u503c\u66f4\u6709\u4ef7\u503c\uff1a\u8fd9\u5468 <code>\/var\/lib\/docker<\/code> \u6da8\u4e86 5GB\uff0c\u4e0b\u5468\u53c8\u6da8 5GB\uff0c\u8bf4\u660e\u955c\u50cf\u6784\u5efa\u7b56\u7565\u9700\u8981\u8c03\u6574\uff0c\u800c\u4e0d\u662f\u7b49\u5b83\u5403\u6ee1\u78c1\u76d8\u3002\u628a\u8fd9\u4e09\u4e2a\u4e60\u60ef\u56fa\u5316\u4e0b\u6765\uff0c\u78c1\u76d8\u7206\u6ee1\u4f1a\u4ece&#8221;\u534a\u591c\u4e8b\u6545&#8221;\u9000\u5316\u6210&#8221;\u5468\u62a5\u91cc\u7684\u4e00\u884c\u5bb9\u91cf\u8d8b\u52bf&#8221;\u3002<\/p>\n<h2>\u603b\u7ed3\u4e0e\u884c\u52a8\u5efa\u8bae<\/h2>\n<p>\u78c1\u76d8\u7206\u6ee1\u7684\u5904\u7406\u672c\u8d28\u662f\u4e00\u6761\u6e05\u6670\u94fe\u8def\uff1adf \u786e\u8ba4\u5206\u533a \u2192 du \u9010\u5c42\u4e0b\u94bb \u2192 find \u9501\u5b9a\u5927\u6587\u4ef6 \u2192 \u6309\u7c7b\u578b\u5b89\u5168\u6e05\u7406 \u2192 \u4e8b\u540e\u52a0\u9884\u9632\u3002\u6838\u5fc3\u539f\u5219\u6709\u4e09\u6761\uff1a\u7d27\u6025\u65f6\u5148\u6e05 journal \u6b62\u8840\uff1b\u5220\u65e5\u5fd7\u7528\u622a\u65ad\u4e0d\u7528 rm\uff1bbinlog \u7528 PURGE \u8bed\u53e5\u4e0d\u7528\u6587\u4ef6\u5220\u9664\u3002\u5efa\u8bae\u4f60\u73b0\u5728\u5c31\u505a\u4e09\u4ef6\u4e8b\uff1a\u4e00\u662f\u767b\u670d\u52a1\u5668\u8dd1\u4e00\u904d <code>df -hT<\/code> \u4e0e <code>df -i<\/code>\uff0c\u4e86\u89e3\u81ea\u5df1\u79bb\u9608\u503c\u8fd8\u6709\u591a\u8fdc\uff1b\u4e8c\u662f\u7ed9 <code>\/etc\/logrotate.d\/<\/code> \u548c journald \u914d\u7f6e\u505a\u4e00\u6b21\u6838\u5bf9\uff0c\u8865\u4e0a <code>SystemMaxUse<\/code> \u4e0a\u9650\uff1b\u4e09\u662f\u628a du \u4e0b\u94bb\u547d\u4ee4\u5b58\u6210\u811a\u672c\uff0c\u7eb3\u5165\u6bcf\u5468\u5de1\u68c0\u3002\u5982\u679c\u4f60\u9700\u8981\u66f4\u7701\u5fc3\u7684\u8fd0\u7ef4\u6258\u7ba1\u4f53\u9a8c\uff0c\u4e5f\u53ef\u4ee5\u8003\u8651 Hostease \u7684\u4e3b\u673a\u670d\u52a1\uff0c\u628a\u65e5\u5e38\u76d1\u63a7\u4e0e\u5bb9\u91cf\u7ba1\u7406\u4ea4\u7ed9\u4e13\u4e1a\u56e2\u961f\u5206\u62c5\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u8bb2\u89e3 df \u4e0e du \u547d\u4ee4\u5b9a\u4f4d\u5927\u6587\u4ef6\u7684\u5b9e\u64cd\u65b9\u6cd5\uff0c\u8986\u76d6 journal \u65e5\u5fd7\u81a8\u80c0\u3001Docker \u955c\u50cf\u5806\u79ef\u3001MySQL binlog \u4e09\u5927\u5e38\u89c1\u5143\u51f6\uff0c\u5e2e\u52a9\u4f60\u5b89\u5168\u6e05\u7406\u78c1\u76d8\u5e76\u9884\u9632\u518d\u6b21\u7206\u6ee1\u3002<\/p>\n","protected":false},"author":2,"featured_media":33293,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[3822],"tags":[2456,2457,5122,5121,3734],"class_list":["post-33296","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-guides","tag-df","tag-du","tag-5122","tag-5121","tag-3734"],"aioseo_notices":[],"jetpack_featured_media_url":"https:\/\/cn.hostease.com\/blog\/wp-content\/uploads\/2026\/09\/server-disk-full-df-du-cleanup-cover.webp","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/cn.hostease.com\/blog\/wp-json\/wp\/v2\/posts\/33296","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/cn.hostease.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/cn.hostease.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/cn.hostease.com\/blog\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/cn.hostease.com\/blog\/wp-json\/wp\/v2\/comments?post=33296"}],"version-history":[{"count":1,"href":"https:\/\/cn.hostease.com\/blog\/wp-json\/wp\/v2\/posts\/33296\/revisions"}],"predecessor-version":[{"id":33297,"href":"https:\/\/cn.hostease.com\/blog\/wp-json\/wp\/v2\/posts\/33296\/revisions\/33297"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/cn.hostease.com\/blog\/wp-json\/wp\/v2\/media\/33293"}],"wp:attachment":[{"href":"https:\/\/cn.hostease.com\/blog\/wp-json\/wp\/v2\/media?parent=33296"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/cn.hostease.com\/blog\/wp-json\/wp\/v2\/categories?post=33296"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/cn.hostease.com\/blog\/wp-json\/wp\/v2\/tags?post=33296"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}