{"id":32404,"date":"2026-08-05T10:00:00","date_gmt":"2026-08-05T02:00:00","guid":{"rendered":"https:\/\/cn.hostease.com\/blog\/?p=32404"},"modified":"2026-08-05T12:52:23","modified_gmt":"2026-08-05T04:52:23","slug":"docker-log-rotation-cleanup","status":"publish","type":"post","link":"https:\/\/cn.hostease.com\/blog\/guides\/docker-log-rotation-cleanup\/","title":{"rendered":"Docker \u65e5\u5fd7\u5360\u6ee1\u78c1\u76d8\u600e\u4e48\u529e\uff1a\u8f6e\u8f6c\u914d\u7f6e\u3001\u6e05\u7406\u6b65\u9aa4\u4e0e\u5bb9\u91cf\u9884\u8b66"},"content":{"rendered":"<p><img decoding=\"async\" src=\"https:\/\/cn.hostease.com\/blog\/wp-content\/uploads\/2026\/08\/docker-log-rotation-cleanup-cover.webp\" alt=\"Docker \u65e5\u5fd7\u5360\u6ee1\u78c1\u76d8\u7684\u670d\u52a1\u5668\u5b58\u50a8\u538b\u529b\u793a\u610f\u56fe\" loading=\"lazy\" \/><\/p>\n<p>Docker \u65e5\u5fd7\u5360\u6ee1\u78c1\u76d8\u600e\u4e48\u529e\uff1f\u8fd9\u7bc7\u6307\u5357\u5e2e\u52a9\u4f60\u4ece\u201c\u5148\u6b62\u8840\u3001\u518d\u914d\u7f6e\u3001\u6700\u540e\u9884\u8b66\u201d\u7684\u987a\u5e8f\u89e3\u51b3\u95ee\u9898\u3002\u5f88\u591a\u7ad9\u70b9\u4e0d\u662f\u5e94\u7528\u4ee3\u7801\u7a81\u7136\u5d29\u6e83\uff0c\u800c\u662f\u5bb9\u5668\u6807\u51c6\u8f93\u51fa\u6301\u7eed\u5199\u5165\u672c\u673a\u78c1\u76d8\uff0c\u51e0\u5929\u540e\u628a <code>\/var\/lib\/docker\/containers\/<\/code> \u6491\u6ee1\uff0c\u8fdb\u800c\u5bfc\u81f4\u6570\u636e\u5e93\u5199\u5165\u5931\u8d25\u3001\u7f51\u7ad9\u4e0a\u4f20\u5931\u8d25\uff0c\u751a\u81f3\u670d\u52a1\u91cd\u542f\u540e\u65e0\u6cd5\u6b63\u5e38\u62c9\u8d77\u3002<\/p>\n<p>\u5982\u679c\u4f60\u7684\u4e1a\u52a1\u8fd0\u884c\u5728 <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\u6216<a href=\"https:\/\/cn.hostease.com\/dedicated-server\/\">\u72ec\u7acb\u670d\u52a1\u5668<\/a>\uff08\u4e13\u7528<a href=\"https:\/\/cn.hostease.com\/dedicated-server\/\">\u7269\u7406\u670d\u52a1\u5668<\/a>\uff09\u4e0a\uff0c\u65e5\u5fd7\u589e\u957f\u901f\u5ea6\u901a\u5e38\u548c\u8bbf\u95ee\u91cf\u3001\u9519\u8bef\u91cd\u8bd5\u3001\u8c03\u8bd5\u7ea7\u522b\u76f4\u63a5\u76f8\u5173\u3002\u5904\u7406\u65f6\u4e0d\u8981\u53ea\u5220\u9664\u6587\u4ef6\uff0c\u66f4\u8981\u786e\u8ba4\u65e5\u5fd7\u9a71\u52a8\u3001\u5355\u6587\u4ef6\u4e0a\u9650\u3001\u4fdd\u7559\u4efd\u6570\u548c\u78c1\u76d8\u544a\u8b66\u662f\u5426\u95ed\u73af\uff0c\u5426\u5219\u540c\u6837\u7684\u95ee\u9898\u5f88\u5bb9\u6613\u5728\u4e0b\u4e00\u6b21\u6d41\u91cf\u6ce2\u52a8\u65f6\u91cd\u590d\u51fa\u73b0\u3002<\/p>\n<h2>\u5148\u5224\u65ad\uff1a\u662f\u4e0d\u662f\u5bb9\u5668\u65e5\u5fd7\u771f\u7684\u5360\u6ee1\u4e86\u78c1\u76d8<\/h2>\n<p>\u78c1\u76d8\u62a5\u8b66\u51fa\u73b0\u540e\uff0c\u7b2c\u4e00\u6b65\u4e0d\u662f\u7acb\u523b\u6e05\u7a7a\u76ee\u5f55\uff0c\u800c\u662f\u786e\u8ba4\u7a7a\u95f4\u5230\u5e95\u88ab\u8c01\u5360\u7528\u3002Docker \u9ed8\u8ba4\u5e38\u89c1\u65e5\u5fd7\u8def\u5f84\u4f4d\u4e8e <code>\/var\/lib\/docker\/containers\/<\/code>\uff0c\u6bcf\u4e2a\u5bb9\u5668\u76ee\u5f55\u4e0b\u4f1a\u6709\u4e00\u4e2a\u4ee5\u5bb9\u5668 ID \u547d\u540d\u7684 <code>*-json.log<\/code> \u6587\u4ef6\u3002\u4f60\u53ef\u4ee5\u5148\u7528 <code>df<\/code> \u770b\u5206\u533a\uff0c\u518d\u7528 <code>du<\/code> \u627e\u5927\u76ee\u5f55\uff1a<\/p>\n<pre><code class=\"language-bash\">df -h\nsudo du -h --max-depth=1 \/var\/lib\/docker 2>\/dev\/null | sort -h\nsudo du -h --max-depth=1 \/var\/lib\/docker\/containers 2>\/dev\/null | sort -h | tail -20<\/code><\/pre>\n<p>\u5982\u679c <code>\/var\/lib\/docker\/containers<\/code> \u5360\u7528\u660e\u663e\u504f\u9ad8\uff0c\u518d\u67e5\u770b\u5177\u4f53\u5bb9\u5668\u65e5\u5fd7\u6587\u4ef6\u5927\u5c0f\uff1a<\/p>\n<pre><code class=\"language-bash\">sudo find \/var\/lib\/docker\/containers -name '*-json.log' -type f -printf '%s %p\\n' \\\n  | sort -nr \\\n  | head -10 \\\n  | awk '{printf \"%.2f GB %s\\n\", $1\/1024\/1024\/1024, $2}'<\/code><\/pre>\n<p>\u8fd9\u4e00\u6b65\u80fd\u907f\u514d\u8bef\u5220\u5e94\u7528\u6570\u636e\u5377\u3002\u6bd4\u5982 MySQL\u3001Redis\u3001\u5bf9\u8c61\u7f13\u5b58\u7b49\u670d\u52a1\u7684\u6570\u636e\u901a\u5e38\u4e0d\u5728\u540c\u4e00\u4e2a\u6587\u4ef6\u91cc\uff0c\u76f4\u63a5\u5bf9\u6574\u4e2a Docker \u76ee\u5f55\u505a\u6e05\u7406\u53ef\u80fd\u5e26\u6765\u66f4\u5927\u98ce\u9669\u3002\u5173\u4e8e\u670d\u52a1\u5668\u76ee\u5f55\u548c\u6027\u80fd\u6392\u67e5\uff0c\u4e5f\u53ef\u4ee5\u7ed3\u5408 <a href=\"https:\/\/cn.hostease.com\/blog\/server\/\">\u670d\u52a1\u5668\u4f18\u5316\u76f8\u5173\u5185\u5bb9<\/a> \u5efa\u7acb\u7edf\u4e00\u68c0\u67e5\u6d41\u7a0b\u3002<\/p>\n<h2>\u5148\u6b62\u8840\uff1a\u5b89\u5168\u6e05\u7406\u8d85\u5927\u7684 json \u65e5\u5fd7<\/h2>\n<p>\u786e\u8ba4\u662f <code>*-json.log<\/code> \u8fc7\u5927\u540e\uff0c\u53ef\u4ee5\u5148\u6e05\u7a7a\u65e5\u5fd7\u6587\u4ef6\u5185\u5bb9\uff0c\u800c\u4e0d\u662f\u5220\u9664\u6587\u4ef6\u672c\u8eab\u3002\u5220\u9664\u6b63\u5728\u88ab Docker \u8fdb\u7a0b\u6301\u6709\u7684\u65e5\u5fd7\u6587\u4ef6\uff0c\u53ef\u80fd\u51fa\u73b0\u6587\u4ef6\u540d\u6d88\u5931\u4f46\u78c1\u76d8\u7a7a\u95f4\u6ca1\u6709\u7acb\u5373\u91ca\u653e\u7684\u60c5\u51b5\uff1b\u7528 truncate \u6e05\u7a7a\u5185\u5bb9\u66f4\u7a33\u59a5\u3002<\/p>\n<pre><code class=\"language-bash\">sudo truncate -s 0 \/var\/lib\/docker\/containers\/&lt;container-id&gt;\/&lt;container-id&gt;-json.log<\/code><\/pre>\n<p>\u5982\u679c\u8981\u6279\u91cf\u5904\u7406\u8d85\u8fc7 1GB \u7684\u5bb9\u5668\u65e5\u5fd7\uff0c\u53ef\u4ee5\u5148\u5217\u51fa\u6e05\u5355\u518d\u6267\u884c\uff0c\u907f\u514d\u8bef\u64cd\u4f5c\uff1a<\/p>\n<pre><code class=\"language-bash\">sudo find \/var\/lib\/docker\/containers -name '*-json.log' -type f -size +1G -print\nsudo find \/var\/lib\/docker\/containers -name '*-json.log' -type f -size +1G -exec truncate -s 0 {} \\;<\/code><\/pre>\n<p>\u8fd9\u91cc\u8981\u4fdd\u7559\u4e24\u4e2a\u8fb9\u754c\uff1a\u7b2c\u4e00\uff0c\u6e05\u7a7a\u65e5\u5fd7\u4f1a\u4e22\u5931\u5386\u53f2\u6392\u969c\u7ebf\u7d22\uff0c\u5efa\u8bae\u5728\u6267\u884c\u524d\u81f3\u5c11\u4fdd\u5b58\u6700\u8fd1 200-500 \u884c\uff1b\u7b2c\u4e8c\uff0c\u5982\u679c\u5e94\u7528\u8fd8\u5728\u6301\u7eed\u8f93\u51fa\u9519\u8bef\uff0c\u6e05\u7406\u540e\u7a7a\u95f4\u4f1a\u5f88\u5feb\u518d\u6b21\u4e0a\u6da8\u3002\u53ef\u4ee5\u5148\u5bfc\u51fa\u5173\u952e\u5c3e\u90e8\u65e5\u5fd7\uff1a<\/p>\n<pre><code class=\"language-bash\">docker logs --tail 500 &lt;container-name-or-id&gt; &gt; \/root\/docker-log-snapshot.txt<\/code><\/pre>\n<p>\u5982\u679c\u4f60\u7ba1\u7406\u7684\u662f\u9762\u5411\u5916\u8d38\u6216\u4e1a\u52a1\u7ad9\u70b9\u7684\u73af\u5883\uff0c\u5efa\u8bae\u628a\u201c\u78c1\u76d8\u5269\u4f59\u7a7a\u95f4\u4f4e\u4e8e 15%\u201d\u89c6\u4e3a\u9700\u8981\u7acb\u5373\u5904\u7406\u7684\u4fe1\u53f7\u3002\u78c1\u76d8\u6ee1\u4e0d\u4ec5\u5f71\u54cd\u65e5\u5fd7\uff0c\u8fd8\u53ef\u80fd\u5f71\u54cd\u7f51\u7ad9\u7f13\u5b58\u3001\u56fe\u7247\u4e0a\u4f20\u548c\u4f1a\u8bdd\u5199\u5165\uff0c\u8fd9\u4e0e <a href=\"https:\/\/cn.hostease.com\/blog\/guides\/ttfb-hosting-optimization\/\">\u7f51\u7ad9\u6027\u80fd\u4f18\u5316<\/a> \u4e2d\u7684\u54cd\u5e94\u7a33\u5b9a\u6027\u95ee\u9898\u7ecf\u5e38\u540c\u65f6\u51fa\u73b0\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/cn.hostease.com\/blog\/wp-content\/uploads\/2026\/08\/docker-log-rotation-cleanup-safe-cleanup.webp\" alt=\"\u6e05\u7406\u8d85\u5927\u5bb9\u5668\u65e5\u5fd7\u524d\u5148\u4fdd\u7559\u6392\u969c\u7ebf\u7d22\" loading=\"lazy\" \/><\/p>\n<h2>\u518d\u6cbb\u672c\uff1a\u4e3a Docker \u9ed8\u8ba4\u65e5\u5fd7\u9a71\u52a8\u914d\u7f6e\u8f6e\u8f6c<\/h2>\n<p>\u6e05\u7406\u53ea\u662f\u6b62\u8840\uff0c\u771f\u6b63\u7684\u4fee\u590d\u662f\u7ed9 Docker \u65e5\u5fd7\u8bbe\u7f6e\u4e0a\u9650\u3002\u9ed8\u8ba4 <code>json-file<\/code> \u65e5\u5fd7\u9a71\u52a8\u5982\u679c\u6ca1\u6709\u914d\u7f6e <code>max-size<\/code> \u548c <code>max-file<\/code>\uff0c\u65e5\u5fd7\u6587\u4ef6\u53ef\u80fd\u6301\u7eed\u589e\u957f\u3002\u5efa\u8bae\u5728 <code>\/etc\/docker\/daemon.json<\/code> \u4e2d\u52a0\u5165\u5168\u5c40\u65e5\u5fd7\u8f6e\u8f6c\u914d\u7f6e\uff1a<\/p>\n<pre><code class=\"language-json\">{\n  \"log-driver\": \"json-file\",\n  \"log-opts\": {\n    \"max-size\": \"100m\",\n    \"max-file\": \"3\"\n  }\n}<\/code><\/pre>\n<p>\u8fd9\u4e2a\u914d\u7f6e\u8868\u793a\u5355\u4e2a\u65e5\u5fd7\u6587\u4ef6\u6700\u5927\u7ea6 100MB\uff0c\u6700\u591a\u4fdd\u7559 3 \u4e2a\u6587\u4ef6\u3002\u5bf9\u591a\u6570\u4e2d\u5c0f\u578b\u7ad9\u70b9\u6765\u8bf4\uff0c\u5355\u5bb9\u5668\u65e5\u5fd7\u4e0a\u9650\u7ea6 300MB\uff0c\u65e2\u80fd\u4fdd\u7559\u8fd1\u671f\u6392\u969c\u4fe1\u606f\uff0c\u4e5f\u4e0d\u4f1a\u8ba9\u4e00\u4e2a\u5f02\u5e38\u5bb9\u5668\u65e0\u9650\u5360\u7528\u78c1\u76d8\u3002\u4fee\u6539\u540e\u9700\u8981\u91cd\u542f Docker \u670d\u52a1\uff0c\u5e76\u91cd\u65b0\u521b\u5efa\u5bb9\u5668\u540e\u624d\u4f1a\u5bf9\u65b0\u5bb9\u5668\u751f\u6548\uff1a<\/p>\n<pre><code class=\"language-bash\">sudo systemctl restart docker\ndocker inspect &lt;container-name-or-id&gt; --format '{{.HostConfig.LogConfig.Type}} {{.HostConfig.LogConfig.Config}}'<\/code><\/pre>\n<p>\u5982\u679c\u4f60\u4f7f\u7528 Compose\uff0c\u53ef\u4ee5\u5728\u670d\u52a1\u7ea7\u522b\u5199\u5165\u65e5\u5fd7\u7b56\u7565\uff0c\u9002\u5408\u4e0d\u540c\u5bb9\u5668\u8bbe\u7f6e\u4e0d\u540c\u4fdd\u7559\u91cf\uff1a<\/p>\n<pre><code class=\"language-yaml\">services:\n  web:\n    image: example-web:latest\n    logging:\n      driver: json-file\n      options:\n        max-size: \"50m\"\n        max-file: \"5\"<\/code><\/pre>\n<p>\u8fd9\u91cc\u7684\u5173\u952e\u4e0d\u662f\u6570\u503c\u8d8a\u5c0f\u8d8a\u597d\uff0c\u800c\u662f\u8981\u6309\u4e1a\u52a1\u6392\u969c\u7a97\u53e3\u51b3\u5b9a\u3002\u8bbf\u95ee\u5165\u53e3\u5bb9\u5668\u53ef\u4ee5\u4fdd\u7559 3-7 \u5929\u5173\u952e\u65e5\u5fd7\uff0c\u4efb\u52a1\u578b\u5bb9\u5668\u53ef\u4ee5\u66f4\u77ed\uff1b\u5982\u679c\u5e94\u7528\u6bcf\u5929\u4ea7\u751f 2GB \u65e5\u5fd7\uff0c\u5e94\u8be5\u4f18\u5148\u964d\u4f4e\u5e94\u7528\u65e5\u5fd7\u7ea7\u522b\uff0c\u800c\u4e0d\u662f\u5355\u7eaf\u6269\u5927\u78c1\u76d8\u3002\u5bf9\u9700\u8981\u66f4\u7a33\u5b9a\u8fd0\u884c\u73af\u5883\u7684\u7ad9\u70b9\uff0c\u4e5f\u53ef\u4ee5\u53c2\u8003 <a href=\"https:\/\/cn.hostease.com\/vps\/\">VPS\uff08\u865a\u62df\u4e13\u7528\u670d\u52a1\u5668\uff09\u65b9\u6848<\/a> \u9009\u62e9\u5408\u9002\u7684\u78c1\u76d8\u548c\u8d44\u6e90\u89c4\u683c\u3002<\/p>\n<h2>\u6392\u67e5\u6e90\u5934\uff1a\u4e3a\u4ec0\u4e48\u65e5\u5fd7\u4f1a\u7a81\u7136\u66b4\u6da8<\/h2>\n<p>\u65e5\u5fd7\u8f6e\u8f6c\u80fd\u9650\u5236\u78c1\u76d8\u98ce\u9669\uff0c\u4f46\u5b83\u4e0d\u80fd\u66ff\u4ee3\u5e94\u7528\u4fee\u590d\u3002\u4e00\u6b21\u65e5\u5fd7\u66b4\u6da8\u80cc\u540e\u901a\u5e38\u6709\u660e\u786e\u539f\u56e0\uff1a\u63a5\u53e3\u91cd\u8bd5\u5931\u8d25\u3001\u6570\u636e\u5e93\u8fde\u63a5\u5f02\u5e38\u3001\u8c03\u8bd5\u7ea7\u522b\u672a\u5173\u95ed\u3001\u5065\u5eb7\u68c0\u67e5\u9891\u7387\u8fc7\u9ad8\uff0c\u6216\u8005\u53cd\u5411\u4ee3\u7406\u4e0d\u65ad\u8bb0\u5f55\u540c\u7c7b 4xx\/5xx \u8bf7\u6c42\u3002\u5efa\u8bae\u4ece\u6700\u8fd1 500 \u884c\u5f00\u59cb\u770b\u9ad8\u9891\u6a21\u5f0f\uff1a<\/p>\n<pre><code class=\"language-bash\">docker logs --tail 500 &lt;container-name-or-id&gt; | sed -n '1,120p'\ndocker logs --since 30m &lt;container-name-or-id&gt; | wc -l<\/code><\/pre>\n<p>\u5982\u679c 30 \u5206\u949f\u5185\u8f93\u51fa\u6570\u4e07\u884c\uff0c\u5c31\u8981\u628a\u6392\u67e5\u91cd\u70b9\u653e\u5230\u5e94\u7528\u914d\u7f6e\u3002\u5e38\u89c1\u5904\u7406\u65b9\u5f0f\u5305\u62ec\uff1a<\/p>\n<ul>\n<li>\u5c06\u751f\u4ea7\u73af\u5883\u65e5\u5fd7\u7ea7\u522b\u4ece <code>debug<\/code> \u6539\u4e3a <code>info<\/code> \u6216 <code>warn<\/code>\uff0c\u5e76\u8bb0\u5f55\u53d8\u66f4\u65f6\u95f4\uff0c\u4fbf\u4e8e\u56de\u6eda\uff1b<\/li>\n<li>\u5bf9\u91cd\u590d\u62a5\u9519\u589e\u52a0\u91c7\u6837\u6216\u9650\u6d41\uff0c\u4f8b\u5982\u540c\u7c7b\u9519\u8bef\u6bcf 60 \u79d2\u53ea\u8f93\u51fa 1 \u6b21\u6458\u8981\uff1b<\/li>\n<li>\u68c0\u67e5\u5065\u5eb7\u68c0\u67e5\u95f4\u9694\uff0c\u907f\u514d 1 \u79d2\u4e00\u6b21\u7684\u63a2\u6d4b\u5728\u5f02\u5e38\u65f6\u653e\u5927\u65e5\u5fd7\u91cf\uff1b<\/li>\n<li>\u5c06\u5e94\u7528\u65e5\u5fd7\u8f93\u51fa\u5230\u4e13\u95e8\u65e5\u5fd7\u7cfb\u7edf\u65f6\uff0c\u4ecd\u4fdd\u7559\u672c\u673a\u8f6e\u8f6c\uff0c\u907f\u514d\u8f6c\u53d1\u5931\u8d25\u65f6\u672c\u5730\u5806\u79ef\uff1b<\/li>\n<li>\u5bf9\u6570\u636e\u5e93\u3001\u7f13\u5b58\u3001DNS\uff08\u57df\u540d\u89e3\u6790\u7cfb\u7edf\uff09\u8fde\u63a5\u5931\u8d25\u8bbe\u7f6e\u9000\u907f\u91cd\u8bd5\uff0c\u800c\u4e0d\u662f\u6beb\u79d2\u7ea7\u5faa\u73af\u91cd\u8bd5\u3002<\/li>\n<\/ul>\n<p>\u5982\u679c\u5bb9\u5668\u627f\u8f7d\u7684\u662f WordPress \u7ad9\u70b9\u3001\u63a5\u53e3\u670d\u52a1\u6216\u4efb\u52a1\u961f\u5217\uff0c\u65e5\u5fd7\u66b4\u6da8\u4e5f\u53ef\u80fd\u548c\u63d2\u4ef6\u62a5\u9519\u3001\u8ba1\u5212\u4efb\u52a1\u5931\u8d25\u6709\u5173\u3002WordPress \u73af\u5883\u53ef\u4ee5\u53c2\u8003 <a href=\"https:\/\/cn.hostease.com\/blog\/wordpress\/\">WordPress \u8fd0\u7ef4\u4e0e\u4f18\u5316\u5185\u5bb9<\/a>\uff0c\u628a\u5e94\u7528\u5c42\u9519\u8bef\u548c\u4e3b\u673a\u5c42\u5bb9\u91cf\u95ee\u9898\u4e00\u8d77\u6392\u67e5\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/cn.hostease.com\/blog\/wp-content\/uploads\/2026\/08\/docker-log-rotation-cleanup-error-source.webp\" alt=\"\u5bb9\u5668\u65e5\u5fd7\u66b4\u6da8\u901a\u5e38\u6765\u81ea\u5e94\u7528\u9519\u8bef\u548c\u91cd\u8bd5\u5faa\u73af\" loading=\"lazy\" \/><\/p>\n<h2>\u5efa\u7acb\u9884\u8b66\uff1a\u4e0d\u8981\u7b49\u78c1\u76d8\u5230 100% \u624d\u5904\u7406<\/h2>\n<p>\u65e5\u5fd7\u6cbb\u7406\u6700\u540e\u4e00\u6b65\u662f\u9884\u8b66\u3002\u4e00\u4e2a\u5b9e\u7528\u89c4\u5219\u662f\u8bbe\u7f6e\u4e24\u7ea7\u9608\u503c\uff1a\u78c1\u76d8\u4f7f\u7528\u7387\u8d85\u8fc7 80% \u65f6\u63d0\u9192\u68c0\u67e5\uff0c\u8d85\u8fc7 90% \u65f6\u8fdb\u5165\u7d27\u6025\u5904\u7406\uff1b\u5355\u4e2a\u5bb9\u5668\u65e5\u5fd7\u8d85\u8fc7 1GB \u65f6\u63d0\u9192\u5b9a\u4f4d\u539f\u56e0\u3002\u5373\u4f7f\u6ca1\u6709\u5b8c\u6574\u76d1\u63a7\u5e73\u53f0\uff0c\u4e5f\u53ef\u4ee5\u5148\u7528 cron \u52a0\u4e00\u4e2a\u8f7b\u91cf\u811a\u672c\u3002<\/p>\n<pre><code class=\"language-bash\">#!\/usr\/bin\/env bash\nTHRESHOLD=80\nUSE=$(df \/var\/lib\/docker | awk 'NR==2 {gsub(\/%\/,\"\",$5); print $5}')\nif [ \"$USE\" -ge \"$THRESHOLD\" ]; then\n  echo \"Docker disk usage is ${USE}% on $(hostname)\" | mail -s \"Docker disk alert\" admin@example.com\nfi<\/code><\/pre>\n<p>\u518d\u914d\u5408\u6bcf\u5929\u5217\u51fa\u6700\u5927\u7684\u65e5\u5fd7\u6587\u4ef6\uff0c\u4fbf\u4e8e\u53d1\u73b0\u589e\u957f\u8d8b\u52bf\uff1a<\/p>\n<pre><code class=\"language-bash\">sudo find \/var\/lib\/docker\/containers -name '*-json.log' -type f -printf '%s %p\\n' \\\n  | sort -nr | head -20 \\\n  | awk '{printf \"%.2f MB %s\\n\", $1\/1024\/1024, $2}'<\/code><\/pre>\n<p>\u5982\u679c\u4f60\u7ef4\u62a4\u591a\u53f0\u670d\u52a1\u5668\uff0c\u53ef\u4ee5\u628a\u78c1\u76d8\u3001inode\u3001\u5bb9\u5668\u91cd\u542f\u6b21\u6570\u548c\u65e5\u5fd7\u589e\u957f\u901f\u5ea6\u653e\u5728\u540c\u4e00\u4e2a\u5de1\u68c0\u6e05\u5355\u91cc\u3002\u5bf9\u72ec\u670d\uff08\u72ec\u7acb\u670d\u52a1\u5668\uff09\u6216\u4e1a\u52a1\u91cf\u8f83\u5927\u7684\u90e8\u7f72\uff0c\u5efa\u8bae\u9884\u7559\u81f3\u5c11 20%-30% \u53ef\u7528\u78c1\u76d8\u7a7a\u95f4\uff0c\u907f\u514d\u5907\u4efd\u3001\u955c\u50cf\u62c9\u53d6\u548c\u65e5\u5fd7\u5199\u5165\u4e92\u76f8\u62a2\u5360\u3002\u9700\u8981\u66f4\u9ad8\u8d44\u6e90\u9694\u79bb\u65f6\uff0c\u4e5f\u53ef\u4ee5\u8bc4\u4f30 <a href=\"https:\/\/cn.hostease.com\/dedicated-server\/\">\u72ec\u7acb\u670d\u52a1\u5668\uff08\u4e13\u7528\u7269\u7406\u670d\u52a1\u5668\uff09<\/a> \u662f\u5426\u66f4\u9002\u5408\u957f\u671f\u8fd0\u884c\u5bb9\u5668\u4e1a\u52a1\u3002<\/p>\n<h2>\u65e5\u5e38\u7ef4\u62a4\u5efa\u8bae\uff1a\u6e05\u7406\u955c\u50cf\u4e0d\u7b49\u4e8e\u6e05\u7406\u65e5\u5fd7<\/h2>\n<p>\u5f88\u591a\u4eba\u770b\u5230\u78c1\u76d8\u6ee1\uff0c\u4f1a\u5148\u6267\u884c <code>docker system prune<\/code>\u3002\u8fd9\u4e2a\u547d\u4ee4\u80fd\u6e05\u7406\u672a\u4f7f\u7528\u7684\u955c\u50cf\u3001\u505c\u6b62\u5bb9\u5668\u3001\u7f51\u7edc\u548c\u6784\u5efa\u7f13\u5b58\uff0c\u4f46\u5b83\u4e0d\u4e00\u5b9a\u89e3\u51b3\u6b63\u5728\u8fd0\u884c\u5bb9\u5668\u7684\u65e5\u5fd7\u589e\u957f\u95ee\u9898\u3002\u6267\u884c\u524d\u8981\u770b\u6e05\u8303\u56f4\uff1a<\/p>\n<pre><code class=\"language-bash\">docker system df\ndocker system prune -a<\/code><\/pre>\n<p><code>docker system prune -a<\/code> \u53ef\u80fd\u5220\u9664\u672c\u5730\u672a\u88ab\u4f7f\u7528\u7684\u955c\u50cf\uff0c\u4e0b\u4e00\u6b21\u90e8\u7f72\u9700\u8981\u91cd\u65b0\u62c9\u53d6\uff0c\u751f\u4ea7\u73af\u5883\u4e0d\u8981\u628a\u5b83\u5f53\u4f5c\u5b9a\u65f6\u4e07\u80fd\u6e05\u7406\u3002\u66f4\u63a8\u8350\u7684\u987a\u5e8f\u662f\uff1a\u5148\u67e5\u65e5\u5fd7\u6587\u4ef6\u5927\u5c0f\uff0c\u518d\u6e05\u7406\u8d85\u5927\u65e5\u5fd7\uff0c\u7136\u540e\u914d\u7f6e\u8f6e\u8f6c\uff0c\u6700\u540e\u6309\u9700\u6e05\u7406\u65e0\u7528\u955c\u50cf\u548c\u6784\u5efa\u7f13\u5b58\u3002\u8fd9\u6837\u65e2\u80fd\u6062\u590d\u7a7a\u95f4\uff0c\u4e5f\u80fd\u964d\u4f4e\u8bef\u5220\u98ce\u9669\u3002<\/p>\n<p>\u5bf9\u4e8e\u4f7f\u7528<a href=\"https:\/\/cn.hostease.com\/web-hosting\/\">\u865a\u62df\u4e3b\u673a<\/a>\uff08\u5171\u4eab\u5f0f\u7f51\u7ad9\u6258\u7ba1\uff09\u8fd0\u884c\u666e\u901a\u7f51\u7ad9\u7684\u7528\u6237\uff0c\u901a\u5e38\u4e0d\u4f1a\u76f4\u63a5\u63a5\u89e6 Docker \u65e5\u5fd7\u76ee\u5f55\uff1b\u4f46\u5982\u679c\u4f60\u5728\u81ea\u7ba1 VPS\uff08\u865a\u62df<a href=\"https:\/\/cn.hostease.com\/dedicated-server\/\">\u4e13\u7528\u670d\u52a1\u5668<\/a>\uff09\u4e0a\u90e8\u7f72\u5bb9\u5668\uff0c\u5c31\u9700\u8981\u628a\u65e5\u5fd7\u8f6e\u8f6c\u7eb3\u5165\u57fa\u7840\u8fd0\u7ef4\u3002Hostease \u63d0\u4f9b\u7684\u4e3b\u673a\u73af\u5883\u9002\u5408\u4e0d\u540c\u9636\u6bb5\u7684\u7f51\u7ad9\u90e8\u7f72\uff0c\u4f46\u5177\u4f53\u65e5\u5fd7\u7b56\u7565\u4ecd\u5e94\u7ed3\u5408\u4f60\u7684\u5e94\u7528\u5199\u5165\u91cf\u3001\u6392\u969c\u9700\u6c42\u548c\u5907\u4efd\u7b56\u7565\u6765\u914d\u7f6e\u3002<\/p>\n<h2>\u603b\u7ed3\uff1a\u628a\u201c\u6e05\u7406\u4e00\u6b21\u201d\u53d8\u6210\u201c\u6301\u7eed\u53ef\u63a7\u201d<\/h2>\n<p>Docker \u65e5\u5fd7\u5360\u6ee1\u78c1\u76d8\u7684\u5904\u7406\u5efa\u8bae\u6309\u4e09\u6b65\u8d70\uff1a\u5148\u7528 <code>df<\/code>\u3001<code>du<\/code>\u3001<code>find<\/code> \u786e\u8ba4\u5927\u6587\u4ef6\u4f4d\u7f6e\uff1b\u518d\u7528 <code>truncate<\/code> \u5b89\u5168\u6e05\u7406\u8d85\u5927 <code>*-json.log<\/code>\uff1b\u6700\u540e\u901a\u8fc7 <code>daemon.json<\/code> \u6216 Compose \u914d\u7f6e <code>max-size<\/code>\u3001<code>max-file<\/code>\uff0c\u5e76\u5efa\u7acb 80%\/90% \u4e24\u7ea7\u5bb9\u91cf\u9884\u8b66\u3002<\/p>\n<p>\u5982\u679c\u4f60\u9700\u8981\u4e00\u4e2a\u53ef\u6267\u884c\u7684\u6700\u4f4e\u914d\u7f6e\uff0c\u53ef\u4ee5\u8003\u8651\u4ece <code>max-size=100m<\/code>\u3001<code>max-file=3<\/code> \u5f00\u59cb\uff0c\u5e76\u5728 1 \u5468\u540e\u6839\u636e\u5b9e\u9645\u65e5\u5fd7\u589e\u957f\u8c03\u6574\u3002\u771f\u6b63\u53ef\u9760\u7684\u8fd0\u7ef4\u4e0d\u662f\u7b49\u78c1\u76d8\u6ee1\u4e86\u518d\u5220\u9664\uff0c\u800c\u662f\u8ba9\u65e5\u5fd7\u3001\u78c1\u76d8\u3001\u5e94\u7528\u9519\u8bef\u548c\u544a\u8b66\u5f62\u6210\u95ed\u73af\u3002\u8fd9\u6837\u5373\u4f7f\u4e1a\u52a1\u8bbf\u95ee\u91cf\u589e\u52a0\uff0c\u670d\u52a1\u5668\u4e5f\u80fd\u4fdd\u6301\u66f4\u7a33\u5b9a\u7684\u8fd0\u884c\u72b6\u6001\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Docker \u65e5\u5fd7\u5360\u6ee1\u78c1\u76d8\u4f1a\u5bfc\u81f4\u670d\u52a1\u5f02\u5e38\u3002\u672c\u6587\u8bf4\u660e\u5982\u4f55\u5b9a\u4f4d\u5bb9\u5668\u65e5\u5fd7\u3001\u914d\u7f6e log-opts \u8f6e\u8f6c\u3001\u5b89\u5168\u6e05\u7406\u65e7\u65e5\u5fd7\uff0c\u5e76\u5efa\u7acb\u78c1\u76d8\u5bb9\u91cf\u9884\u8b66\u3002<\/p>\n","protected":false},"author":2,"featured_media":32401,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[3822],"tags":[3637,4749,4747,4748],"class_list":["post-32404","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-guides","tag-docker","tag-json-file","tag-4747","tag-4748"],"aioseo_notices":[],"jetpack_featured_media_url":"https:\/\/cn.hostease.com\/blog\/wp-content\/uploads\/2026\/08\/docker-log-rotation-cleanup-cover.webp","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/cn.hostease.com\/blog\/wp-json\/wp\/v2\/posts\/32404","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=32404"}],"version-history":[{"count":1,"href":"https:\/\/cn.hostease.com\/blog\/wp-json\/wp\/v2\/posts\/32404\/revisions"}],"predecessor-version":[{"id":32405,"href":"https:\/\/cn.hostease.com\/blog\/wp-json\/wp\/v2\/posts\/32404\/revisions\/32405"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/cn.hostease.com\/blog\/wp-json\/wp\/v2\/media\/32401"}],"wp:attachment":[{"href":"https:\/\/cn.hostease.com\/blog\/wp-json\/wp\/v2\/media?parent=32404"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/cn.hostease.com\/blog\/wp-json\/wp\/v2\/categories?post=32404"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/cn.hostease.com\/blog\/wp-json\/wp\/v2\/tags?post=32404"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}