{"id":32284,"date":"2026-07-30T10:00:00","date_gmt":"2026-07-30T02:00:00","guid":{"rendered":"https:\/\/cn.hostease.com\/blog\/?p=32284"},"modified":"2026-08-03T14:54:43","modified_gmt":"2026-08-03T06:54:43","slug":"docker-log-disk-rotation","status":"publish","type":"post","link":"https:\/\/cn.hostease.com\/blog\/tutorials\/docker-log-disk-rotation\/","title":{"rendered":"Docker \u65e5\u5fd7\u78c1\u76d8\u7206\u6ee1\u6392\u969c\uff1a\u4ece\u6e05\u7406\u5230\u8f6e\u8f6c\u9884\u8b66"},"content":{"rendered":"

\"Docker<\/p>\n

Docker \u65e5\u5fd7\u5360\u6ee1\u78c1\u76d8\u65f6\uff0c\u6700\u76f4\u63a5\u7684\u8868\u73b0\u53ef\u80fd\u4e0d\u662f\u201c\u65e5\u5fd7\u62a5\u9519\u201d\uff0c\u800c\u662f\u5bb9\u5668\u7a81\u7136\u91cd\u542f\u3001\u6570\u636e\u5e93\u5199\u5165\u5931\u8d25\u3001\u7f51\u7ad9\u4e0a\u4f20\u56fe\u7247\u5931\u8d25\uff0c\u751a\u81f3 SSH \u767b\u5f55\u540e\u53d1\u73b0\u6839\u5206\u533a\u5df2\u7ecf 100%\u3002\u8fd9\u7bc7\u6307\u5357\u4f1a\u6559\u4f60\u5982\u4f55\u786e\u8ba4\u65e5\u5fd7\u662f\u4e0d\u662f\u7f6a\u9b41\u7978\u9996\uff0c\u5982\u4f55\u5728\u4e0d\u4e2d\u65ad\u4e1a\u52a1\u7684\u524d\u63d0\u4e0b\u6e05\u7406\u65e7\u65e5\u5fd7\uff0c\u518d\u628a\u65e5\u5fd7\u8f6e\u8f6c\u548c\u5bb9\u91cf\u9884\u8b66\u8865\u4e0a\uff0c\u907f\u514d\u540c\u6837\u7684\u95ee\u9898\u8fc7\u51e0\u5929\u518d\u6b21\u51fa\u73b0\u3002<\/p>\n

\u4e0b\u9762\u7684\u65b9\u6cd5\u9002\u5408\u8fd0\u884c\u5728 [VPS](https:\/\/cn.hostease.com\/vps\/)\uff08[\u865a\u62df\u4e13\u7528\u670d\u52a1\u5668](https:\/\/cn.hostease.com\/vps\/)\uff09\u6216\u72ec\u670d\uff08[\u72ec\u7acb\u670d\u52a1\u5668](https:\/\/cn.hostease.com\/dedicated-server\/)\uff09\u4e0a\u7684\u5e38\u89c1 Docker \u73af\u5883\u3002\u672c\u6587\u9ed8\u8ba4\u4f60\u4f7f\u7528 Linux \u670d\u52a1\u5668\uff0c\u5e76\u4e14 Docker \u65e5\u5fd7\u9a71\u52a8\u4ecd\u662f\u5e38\u89c1\u7684 json-file<\/code>\u3002\u5982\u679c\u4f60\u7684\u4e1a\u52a1\u540c\u65f6\u6709 Nginx\u3001\u6570\u636e\u5e93\u3001\u5e94\u7528\u6587\u4ef6\u4e0a\u4f20\u548c\u5907\u4efd\u4efb\u52a1\uff0c\u4e5f\u5efa\u8bae\u628a\u672c\u6587\u5f53\u4f5c\u4e00\u6b21\u5b8c\u6574\u7684\u78c1\u76d8\u6392\u969c\u6d41\u7a0b\uff0c\u800c\u4e0d\u662f\u53ea\u590d\u5236\u4e00\u6761\u6e05\u7406\u547d\u4ee4\u3002<\/p>\n

\u5148\u5224\u65ad\uff1a\u78c1\u76d8\u5230\u5e95\u88ab Docker \u65e5\u5fd7\u5360\u4e86\u591a\u5c11<\/h2>\n

\u5904\u7406\u78c1\u76d8\u544a\u8b66\u65f6\uff0c\u4e0d\u5efa\u8bae\u4e00\u4e0a\u6765\u5c31\u5220\u9664\u6587\u4ef6\u3002\u6b63\u786e\u987a\u5e8f\u662f\u5148\u770b\u5206\u533a\uff0c\u518d\u5b9a\u4f4d\u76ee\u5f55\uff0c\u6700\u540e\u786e\u8ba4\u5177\u4f53\u5bb9\u5668\u3002\u8fd9\u6837\u505a\u7684\u539f\u56e0\u5f88\u7b80\u5355\uff1a\u5982\u679c\u771f\u6b63\u5360\u7a7a\u95f4\u7684\u662f\u6570\u636e\u5e93\u5907\u4efd\u6216\u4e0a\u4f20\u76ee\u5f55\uff0c\u76f2\u76ee\u6e05\u7406 Docker \u65e5\u5fd7\u5e76\u4e0d\u80fd\u89e3\u51b3\u95ee\u9898\uff0c\u8fd8\u53ef\u80fd\u63a9\u76d6\u6839\u56e0\u3002<\/p>\n

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
df -h<\/code> \u7528\u6765\u770b\u54ea\u4e2a\u5206\u533a\u6ee1\u4e86\uff0c\u5e38\u89c1\u95ee\u9898\u662f\u6839\u5206\u533a \/<\/code> \u4f7f\u7528\u7387\u8d85\u8fc7 90%\u3002\u7b2c\u4e8c\u6761\u547d\u4ee4\u68c0\u67e5 Docker \u6570\u636e\u76ee\u5f55\u603b\u91cf\uff0c\u7b2c\u4e09\u6761\u547d\u4ee4\u4f1a\u5217\u51fa\u65e5\u5fd7\u548c\u5bb9\u5668\u5143\u6570\u636e\u5360\u7528\u8f83\u5927\u7684\u76ee\u5f55\u3002\u5982\u679c \/var\/lib\/docker\/containers<\/code> \u5df2\u7ecf\u8fbe\u5230\u51e0\u5341 GB\uff0c\u65e5\u5fd7\u5931\u63a7\u7684\u6982\u7387\u5c31\u5f88\u9ad8\u3002<\/p>\n
\u63a5\u4e0b\u6765\u53ef\u4ee5\u628a\u76ee\u5f55\u540d\u548c\u5bb9\u5668\u5bf9\u5e94\u8d77\u6765\u3002Docker \u7684\u5bb9\u5668\u76ee\u5f55\u901a\u5e38\u4ee5\u5bb9\u5668 ID \u5f00\u5934\uff0c\u65e5\u5fd7\u6587\u4ef6\u5e38\u89c1\u540d\u79f0\u662f <container-id>-json.log<\/code>\u3002\u7528\u4e0b\u9762\u7684\u547d\u4ee4\u53ef\u4ee5\u67e5\u770b\u65e5\u5fd7\u6587\u4ef6\u5927\u5c0f\u6700\u5927\u7684\u5bb9\u5668\uff1a<\/p>\n
sudo find \/var\/lib\/docker\/containers -name '*-json.log' -type f -printf '%s %p\n'   | sort -nr   | head -10   | awk '{printf \"%.2f GB  %s\n\", $1\/1024\/1024\/1024, $2}'<\/code><\/pre>\n
\u5982\u679c\u67d0\u4e2a\u65e5\u5fd7\u6587\u4ef6\u5df2\u7ecf\u8d85\u8fc7 5GB\uff0c\u5c31\u8981\u7ee7\u7eed\u786e\u8ba4\u5b83\u5bf9\u5e94\u54ea\u4e2a\u5bb9\u5668\u3002\u53ef\u4ee5\u622a\u53d6\u8def\u5f84\u4e2d\u7684\u5bb9\u5668 ID \u524d 12 \u4f4d\uff0c\u518d\u7528 docker ps -a --no-trunc<\/code> \u5bf9\u7167\uff1a<\/p>\n
docker ps -a --no-trunc --format '{{.ID}}  {{.Names}}  {{.Image}}  {{.Status}}'<\/code><\/pre>\n
\u8fd9\u4e00\u6b65\u80fd\u5e2e\u52a9\u4f60\u533a\u5206\u201c\u6b63\u5e38\u9ad8\u6d41\u91cf\u65e5\u5fd7\u201d\u548c\u201c\u5f02\u5e38\u5237\u5c4f\u65e5\u5fd7\u201d\u3002\u4f8b\u5982\uff0c\u4e00\u4e2a\u8bbf\u95ee\u91cf\u8f83\u9ad8\u7684 Nginx \u5bb9\u5668\u6bcf\u5929\u4ea7\u751f 1GB \u8bbf\u95ee\u65e5\u5fd7\u5e76\u4e0d\u7f55\u89c1\uff1b\u4f46\u4e00\u4e2a\u4e1a\u52a1\u5bb9\u5668\u6bcf\u79d2\u8f93\u51fa\u540c\u4e00\u6761\u5f02\u5e38\u5806\u6808\uff0c2 \u5c0f\u65f6\u5199\u6ee1 20GB\uff0c\u5c31\u4e0d\u662f\u5355\u7eaf\u52a0\u5927\u78c1\u76d8\u80fd\u89e3\u51b3\u7684\u95ee\u9898\u3002\u5173\u4e8e\u670d\u52a1\u5668\u5bb9\u91cf\u548c\u6027\u80fd\u6392\u67e5\u7684\u57fa\u7840\u601d\u8def\uff0c\u4e5f\u53ef\u4ee5\u53c2\u8003 \u670d\u52a1\u5668\u76f8\u5173\u6587\u7ae0<\/a>\uff0c\u5148\u628a\u5b58\u50a8\u3001CPU \u548c\u5185\u5b58\u4e09\u4e2a\u7ef4\u5ea6\u5206\u5f00\u770b\u3002<\/p>\n
\"\u5b9a\u4f4d<\/p>\n
\u4e34\u65f6\u6b62\u8840\uff1a\u5b89\u5168\u6e05\u7406\u65e5\u5fd7\uff0c\u4e0d\u7834\u574f\u5bb9\u5668\u76ee\u5f55<\/h2>\n
\u786e\u8ba4\u662f Docker \u65e5\u5fd7\u5360\u6ee1\u78c1\u76d8\u540e\uff0c\u4e34\u65f6\u6b62\u8840\u7684\u76ee\u6807\u662f\u91ca\u653e\u7a7a\u95f4\uff0c\u800c\u4e0d\u662f\u5220\u9664\u5bb9\u5668\u3002\u4e0d\u8981\u76f4\u63a5 rm -rf \/var\/lib\/docker\/containers\/xxx<\/code>\uff0c\u8fd9\u6837\u53ef\u80fd\u7834\u574f Docker \u5bf9\u5bb9\u5668\u5143\u6570\u636e\u7684\u7ba1\u7406\u3002\u5bf9 json-file<\/code> \u65e5\u5fd7\uff0c\u8f83\u7a33\u59a5\u7684\u505a\u6cd5\u662f\u628a\u65e5\u5fd7\u6587\u4ef6\u622a\u65ad\u4e3a 0 \u5b57\u8282\uff1a<\/p>\n
sudo truncate -s 0 \/var\/lib\/docker\/containers\/<container-id>\/<container-id>-json.log<\/code><\/pre>\n
\u5982\u679c\u6709\u591a\u4e2a\u65e5\u5fd7\u6587\u4ef6\u90fd\u5f88\u5927\uff0c\u53ef\u4ee5\u5148\u53ea\u5904\u7406\u6700\u5927\u7684 1-3 \u4e2a\uff0c\u91ca\u653e\u51fa\u8db3\u591f\u7a7a\u95f4\u540e\u518d\u6162\u6162\u6392\u67e5\u4e1a\u52a1\u539f\u56e0\u3002\u6279\u91cf\u5904\u7406\u524d\u5efa\u8bae\u5148\u8f93\u51fa\u6e05\u5355\u5e76\u4eba\u5de5\u786e\u8ba4\uff1a<\/p>\n
sudo find \/var\/lib\/docker\/containers -name '*-json.log' -size +1G -print<\/code><\/pre>\n
\u786e\u8ba4\u65e0\u8bef\u540e\uff0c\u518d\u6267\u884c\u6279\u91cf\u622a\u65ad\uff1a<\/p>\n
sudo find \/var\/lib\/docker\/containers -name '*-json.log' -size +1G -exec sudo truncate -s 0 {} \\;<\/code><\/pre>\n
\u4e3a\u4ec0\u4e48\u4f7f\u7528 truncate<\/code> \u800c\u4e0d\u662f\u5220\u9664\u6587\u4ef6\uff1f\u56e0\u4e3a\u5bb9\u5668\u8fdb\u7a0b\u53ef\u80fd\u4ecd\u7136\u6301\u6709\u65e5\u5fd7\u6587\u4ef6\u53e5\u67c4\u3002\u5220\u9664\u6587\u4ef6\u540e\uff0c\u78c1\u76d8\u7a7a\u95f4\u672a\u5fc5\u7acb\u523b\u91ca\u653e\uff0cDocker \u4e5f\u53ef\u80fd\u7ee7\u7eed\u5411\u5df2\u5220\u9664\u4f46\u4ecd\u88ab\u8fdb\u7a0b\u5360\u7528\u7684\u6587\u4ef6\u5199\u5165\uff1b\u622a\u65ad\u5219\u662f\u5728\u4fdd\u7559\u6587\u4ef6\u8def\u5f84\u548c\u53e5\u67c4\u7684\u540c\u65f6\u628a\u5185\u5bb9\u6e05\u7a7a\uff0c\u66f4\u9002\u5408\u4e34\u65f6\u6062\u590d\u7a7a\u95f4\u3002<\/p>\n
\u6e05\u7406\u540e\u8981\u7acb\u5373\u9a8c\u8bc1\u4e24\u4ef6\u4e8b\uff1a\u5206\u533a\u662f\u5426\u964d\u5230\u5b89\u5168\u8303\u56f4\uff0c\u5f02\u5e38\u65e5\u5fd7\u662f\u5426\u8fd8\u5728\u9ad8\u901f\u589e\u957f\u3002<\/p>\n
df -h\nsudo find \/var\/lib\/docker\/containers -name '*-json.log' -type f -printf '%s %p\n'   | sort -nr | head -10<\/code><\/pre>\n
\u5982\u679c 5 \u5206\u949f\u5185\u540c\u4e00\u4e2a\u65e5\u5fd7\u6587\u4ef6\u53c8\u6da8\u4e86\u51e0\u767e MB\uff0c\u8bf4\u660e\u4e1a\u52a1\u5bb9\u5668\u4ecd\u5728\u6301\u7eed\u8f93\u51fa\u5f02\u5e38\u3002\u6b64\u65f6\u53ea\u505a\u65e5\u5fd7\u8f6e\u8f6c\u4e0d\u591f\uff0c\u8fd8\u9700\u8981\u8fdb\u5165\u5bb9\u5668\u65e5\u5fd7\u67e5\u770b\u5177\u4f53\u62a5\u9519\uff1a<\/p>\n
docker logs --tail 200 <container-name><\/code><\/pre>\n
\u5e38\u89c1\u6839\u56e0\u5305\u62ec\u6570\u636e\u5e93\u8fde\u63a5\u5931\u8d25\u540e\u65e0\u9650\u91cd\u8bd5\u3001API \u51ed\u636e\u9519\u8bef\u5bfc\u81f4\u6bcf\u79d2\u6253\u5370\u5f02\u5e38\u3001\u5065\u5eb7\u68c0\u67e5\u8def\u5f84\u5199\u9519\u3001\u8c03\u8bd5\u7ea7\u522b\u65e5\u5fd7\u8bef\u5f00\u5230\u751f\u4ea7\u73af\u5883\u3002\u5bf9\u4e8e\u5916\u8d38\u7ad9\u70b9\u6216\u4e1a\u52a1\u540e\u53f0\uff0c\u5efa\u8bae\u628a\u8fd9\u7c7b\u6392\u969c\u7eb3\u5165\u65e5\u5e38\u8fd0\u7ef4\u6d41\u7a0b\uff1b\u5982\u679c\u4f60\u6b63\u5728\u8bc4\u4f30\u8fd0\u884c\u73af\u5883\uff0c\u53ef\u4ee5\u7ed3\u5408 VPS\uff08\u865a\u62df\u4e13\u7528\u670d\u52a1\u5668\uff09\u4e3b\u673a<\/a> \u7684\u78c1\u76d8\u3001\u5feb\u7167\u548c\u76d1\u63a7\u80fd\u529b\u4e00\u8d77\u89c4\u5212\u3002<\/p>\n
\u957f\u671f\u65b9\u6848\uff1a\u7ed9 Docker \u914d\u7f6e\u65e5\u5fd7\u8f6e\u8f6c<\/h2>\n
\u4e34\u65f6\u6e05\u7406\u53ea\u662f\u628a\u6c34\u8200\u51fa\u53bb\uff0c\u65e5\u5fd7\u8f6e\u8f6c\u624d\u662f\u7ed9\u6c34\u6876\u88c5\u4e0a\u6ea2\u6d41\u53e3\u3002Docker \u4f7f\u7528 json-file<\/code> \u65e5\u5fd7\u9a71\u52a8\u65f6\uff0c\u53ef\u4ee5\u901a\u8fc7 \/etc\/docker\/daemon.json<\/code> \u8bbe\u7f6e\u5355\u4e2a\u65e5\u5fd7\u6587\u4ef6\u5927\u5c0f\u548c\u4fdd\u7559\u4efd\u6570\u3002\u4e00\u4e2a\u9002\u5408\u591a\u6570\u4e2d\u5c0f\u578b\u7f51\u7ad9\u7684\u8d77\u70b9\u662f\uff1a\u5355\u6587\u4ef6 100MB\uff0c\u4fdd\u7559 3 \u4efd\u3002<\/p>\n
sudo mkdir -p \/etc\/docker\nsudo tee \/etc\/docker\/daemon.json >\/dev\/null <<'EOF'\n{\n  \"log-driver\": \"json-file\",\n  \"log-opts\": {\n    \"max-size\": \"100m\",\n    \"max-file\": \"3\"\n  }\n}\nEOF\nsudo systemctl restart docker<\/code><\/pre>\n
\u8fd9\u7ec4\u914d\u7f6e\u7684\u542b\u4e49\u662f\uff1a\u6bcf\u4e2a\u5bb9\u5668\u6700\u591a\u4fdd\u7559\u7ea6 300MB \u7684 Docker \u6807\u51c6\u8f93\u51fa\u65e5\u5fd7\u3002\u5373\u4f7f 20 \u4e2a\u5bb9\u5668\u540c\u65f6\u8fd0\u884c\uff0c\u7406\u8bba\u4e0a Docker \u6807\u51c6\u65e5\u5fd7\u4e5f\u4f1a\u88ab\u63a7\u5236\u5728\u7ea6 6GB \u4ee5\u5185\u3002\u5b9e\u9645\u7a7a\u95f4\u8fd8\u4f1a\u53d7\u5230\u955c\u50cf\u5c42\u3001volume\u3001\u5e94\u7528\u81ea\u6709\u65e5\u5fd7\u548c\u6570\u636e\u5e93\u6587\u4ef6\u5f71\u54cd\uff0c\u6240\u4ee5\u5b83\u4e0d\u662f\u5b8c\u6574\u5bb9\u91cf\u89c4\u5212\uff0c\u4f46\u80fd\u663e\u8457\u964d\u4f4e\u201c\u5355\u4e2a\u5bb9\u5668\u5237\u5c4f\u5199\u6ee1\u7cfb\u7edf\u76d8\u201d\u7684\u98ce\u9669\u3002<\/p>\n
\u6709\u4e00\u4e2a\u7ec6\u8282\u5bb9\u6613\u88ab\u5ffd\u7565\uff1adaemon.json<\/code> \u7684\u65e5\u5fd7\u8f6e\u8f6c\u914d\u7f6e\u901a\u5e38\u53ea\u5bf9\u65b0\u521b\u5efa\u7684\u5bb9\u5668\u751f\u6548\u3002\u5df2\u7ecf\u5b58\u5728\u7684\u5bb9\u5668\u53ef\u80fd\u9700\u8981\u91cd\u65b0\u521b\u5efa\uff0c\u624d\u80fd\u5e94\u7528\u65b0\u7684\u65e5\u5fd7\u9009\u9879\u3002\u5bf9\u4e8e\u7528 Compose \u7ba1\u7406\u7684\u670d\u52a1\uff0c\u53ef\u4ee5\u5728\u7ef4\u62a4\u7a97\u53e3\u6267\u884c\uff1a<\/p>\n
docker compose down\ndocker compose up -d<\/code><\/pre>\n
\u5982\u679c\u4f60\u4e0d\u80fd\u63a5\u53d7\u6240\u6709\u670d\u52a1\u540c\u65f6\u91cd\u542f\uff0c\u53ef\u4ee5\u9010\u4e2a\u670d\u52a1\u6eda\u52a8\u91cd\u5efa\u3002\u91cd\u5efa\u524d\u5148\u786e\u8ba4 Compose \u6587\u4ef6\u3001\u73af\u5883\u53d8\u91cf\u548c volume \u90fd\u5728\u7248\u672c\u7ba1\u7406\u6216\u5907\u4efd\u8303\u56f4\u5185\uff0c\u907f\u514d\u201c\u65e5\u5fd7\u95ee\u9898\u4fee\u597d\u4e86\uff0c\u670d\u52a1\u914d\u7f6e\u4e22\u4e86\u201d\u3002<\/p>\n
\u4e5f\u53ef\u4ee5\u5728\u5355\u4e2a\u5bb9\u5668\u8fd0\u884c\u65f6\u663e\u5f0f\u6307\u5b9a\u65e5\u5fd7\u53c2\u6570\uff0c\u9002\u5408\u6d4b\u8bd5\u6216\u5c11\u91cf\u624b\u5de5\u542f\u52a8\u7684\u670d\u52a1\uff1a<\/p>\n
docker run -d   --name app   --log-driver json-file   --log-opt max-size=100m   --log-opt max-file=3   nginx:stable<\/code><\/pre>\n
\u66f4\u63a8\u8350\u7684\u65b9\u5f0f\u4ecd\u7136\u662f\u5199\u5165 Docker daemon \u7ea7\u522b\u914d\u7f6e\uff0c\u56e0\u4e3a\u5b83\u80fd\u8986\u76d6\u540e\u7eed\u65b0\u5efa\u5bb9\u5668\uff0c\u51cf\u5c11\u56e2\u961f\u6210\u5458\u6f0f\u5199\u53c2\u6570\u7684\u6982\u7387\u3002\u82e5\u4f60\u540c\u65f6\u5728\u505a Nginx \u53cd\u5411\u4ee3\u7406\u3001\u5e94\u7528\u5bb9\u5668\u548c\u6570\u636e\u5e93\u5206\u5c42\uff0c\u53ef\u4ee5\u53c2\u8003 Nginx \u53cd\u5411\u4ee3\u7406\u4e0e\u8d1f\u8f7d\u5747\u8861\u6307\u5357<\/a>\uff0c\u628a\u5165\u53e3\u65e5\u5fd7\u3001\u5e94\u7528\u65e5\u5fd7\u548c\u5bb9\u5668\u6807\u51c6\u8f93\u51fa\u5206\u5f00\u6cbb\u7406\u3002<\/p>\n
\"Docker<\/p>\n
\u4e0d\u8981\u53ea\u770b Docker\uff1a\u628a\u5e94\u7528\u65e5\u5fd7\u548c volume \u4e00\u8d77\u7eb3\u5165\u68c0\u67e5<\/h2>\n
\u6709\u4e9b\u56e2\u961f\u914d\u7f6e\u4e86 Docker \u65e5\u5fd7\u8f6e\u8f6c\u540e\uff0c\u78c1\u76d8\u4ecd\u7136\u4e0d\u65ad\u4e0a\u6da8\uff0c\u539f\u56e0\u662f\u5e94\u7528\u628a\u65e5\u5fd7\u5199\u8fdb\u4e86 volume \u6216\u5bb9\u5668\u5185\u90e8\u6587\u4ef6\uff0c\u800c\u4e0d\u662f\u6807\u51c6\u8f93\u51fa\u3002\u6bd4\u5982 Java \u5e94\u7528\u5199 \/app\/logs\/app.log<\/code>\uff0cNginx \u5199 \/var\/log\/nginx\/access.log<\/code>\uff0c\u6570\u636e\u5e93\u5199\u6162\u67e5\u8be2\u65e5\u5fd7\uff0c\u8fd9\u4e9b\u5e76\u4e0d\u4f1a\u88ab Docker \u7684 json-file<\/code> \u8f6e\u8f6c\u89c4\u5219\u81ea\u52a8\u7ba1\u7406\u3002<\/p>\n
\u5efa\u8bae\u6bcf\u6b21\u78c1\u76d8\u6392\u969c\u90fd\u540c\u65f6\u68c0\u67e5 volume \u548c\u4e1a\u52a1\u76ee\u5f55\uff1a<\/p>\n
docker system df\nsudo du -h --max-depth=1 \/var\/lib\/docker\/volumes 2>\/dev\/null | sort -h | tail -20\nsudo du -h --max-depth=1 \/data 2>\/dev\/null | sort -h | tail -20<\/code><\/pre>\n
docker system df<\/code> \u53ef\u4ee5\u770b\u955c\u50cf\u3001\u5bb9\u5668\u3001\u7f13\u5b58\u548c volume \u7684\u5927\u81f4\u5360\u7528\u3002\u4e0d\u8981\u770b\u5230 docker system prune -a<\/code> \u5c31\u76f4\u63a5\u6267\u884c\uff0c\u5b83\u4f1a\u5220\u9664\u672a\u4f7f\u7528\u955c\u50cf\uff0c\u53ef\u80fd\u5f71\u54cd\u56de\u6eda\u3002\u751f\u4ea7\u73af\u5883\u4e2d\u66f4\u7a33\u59a5\u7684\u65b9\u5f0f\u662f\u5148\u5217\u51fa\u5bf9\u8c61\uff0c\u518d\u6309\u670d\u52a1\u7a97\u53e3\u6e05\u7406\u3002<\/p>\n
\u5982\u679c\u5e94\u7528\u65e5\u5fd7\u5199\u5728 volume \u4e2d\uff0c\u5c31\u8981\u4f7f\u7528\u5e94\u7528\u81ea\u5df1\u7684\u8f6e\u8f6c\u65b9\u5f0f\u3002\u4f8b\u5982 Nginx \u53ef\u4ee5\u4f9d\u8d56 logrotate\uff0cJava \u5e94\u7528\u53ef\u4ee5\u5728\u65e5\u5fd7\u6846\u67b6\u4e2d\u8bbe\u7f6e\u5355\u6587\u4ef6\u5927\u5c0f\u3001\u4fdd\u7559\u5929\u6570\u548c\u538b\u7f29\u7b56\u7565\u3002\u4e00\u4e2a\u5b9e\u7528\u57fa\u7ebf\u662f\uff1a\u8bbf\u95ee\u65e5\u5fd7\u4fdd\u7559 7-14 \u5929\uff0c\u9519\u8bef\u65e5\u5fd7\u4fdd\u7559 30 \u5929\uff0c\u5355\u6587\u4ef6\u8d85\u8fc7 100-200MB \u5373\u8f6e\u8f6c\u538b\u7f29\uff1b\u5408\u89c4\u6216\u5ba1\u8ba1\u8981\u6c42\u66f4\u9ad8\u7684\u4e1a\u52a1\uff0c\u5e94\u628a\u65e5\u5fd7\u8f6c\u5b58\u5230\u4e13\u95e8\u7684\u65e5\u5fd7\u5e73\u53f0\uff0c\u800c\u4e0d\u662f\u957f\u671f\u5806\u5728\u7cfb\u7edf\u76d8\u3002<\/p>\n
\u8fd9\u91cc\u8fd8\u6d89\u53ca\u5907\u4efd\u7b56\u7565\u3002\u65e5\u5fd7\u6587\u4ef6\u901a\u5e38\u4e0d\u5e94\u8be5\u548c\u4e1a\u52a1\u6570\u636e\u4f7f\u7528\u540c\u4e00\u5957\u5907\u4efd\u4fdd\u7559\u89c4\u5219\uff0c\u5426\u5219\u5907\u4efd\u5305\u4f1a\u8d8a\u6765\u8d8a\u5927\uff0c\u6062\u590d\u65f6\u4e5f\u4f1a\u62d6\u6162\u901f\u5ea6\u3002\u5bf9\u4e8e WordPress\u3001\u6570\u636e\u5e93\u6216\u7528\u6237\u4e0a\u4f20\u76ee\u5f55\uff0c\u53ef\u4ee5\u53c2\u8003 WordPress \u76f8\u5173\u6587\u7ae0<\/a> \u4e2d\u7684\u5907\u4efd\u548c\u6027\u80fd\u4f18\u5316\u601d\u8def\uff0c\u628a\u201c\u5fc5\u987b\u6062\u590d\u7684\u6570\u636e\u201d\u548c\u201c\u53ef\u91cd\u65b0\u751f\u6210\u7684\u65e5\u5fd7\u201d\u5206\u5f00\u5904\u7406\u3002<\/p>\n
\u5efa\u7acb\u5bb9\u91cf\u9884\u8b66\uff1a\u6bd4\u78c1\u76d8 100% \u540e\u62a2\u4fee\u66f4\u53ef\u9760<\/h2>\n
\u65e5\u5fd7\u6cbb\u7406\u7684\u6700\u540e\u4e00\u6b65\u662f\u9884\u8b66\u3002\u4e00\u4e2a\u7b80\u5355\u53ef\u6267\u884c\u7684\u6807\u51c6\u662f\uff1a\u78c1\u76d8\u4f7f\u7528\u7387\u8fbe\u5230 80% \u63d0\u9192\uff0c\u8fbe\u5230 90% \u544a\u8b66\uff0c\u8fbe\u5230 95% \u8fdb\u5165\u5e94\u6025\u5904\u7406\u3002\u5373\u4f7f\u6682\u65f6\u6ca1\u6709\u5b8c\u6574\u76d1\u63a7\u5e73\u53f0\uff0c\u4e5f\u53ef\u4ee5\u7528\u7cfb\u7edf\u5b9a\u65f6\u4efb\u52a1\u505a\u6700\u4f4e\u9650\u5ea6\u7684\u4fdd\u62a4\u3002<\/p>\n
cat > \/usr\/local\/bin\/disk-check.sh <<'EOF'\n#!\/usr\/bin\/env bash\nset -euo pipefail\nTHRESHOLD=85\nUSAGE=$(df \/ | awk 'NR==2 {gsub(\"%\", \"\", $5); print $5}')\nif [ \"$USAGE\" -ge \"$THRESHOLD\" ]; then\n  logger -p local0.warn \"disk usage ${USAGE}% on root partition\"\nfi\nEOF\nchmod +x \/usr\/local\/bin\/disk-check.sh\n(crontab -l 2>\/dev\/null; echo \"*\/10 * * * * \/usr\/local\/bin\/disk-check.sh\") | crontab -<\/code><\/pre>\n
\u8fd9\u6bb5\u811a\u672c\u6bcf 10 \u5206\u949f\u68c0\u67e5\u4e00\u6b21\u6839\u5206\u533a\uff0c\u5e76\u628a\u8d85\u8fc7\u9608\u503c\u7684\u4e8b\u4ef6\u5199\u5165\u7cfb\u7edf\u65e5\u5fd7\u3002\u5b83\u4e0d\u80fd\u66ff\u4ee3\u4e13\u4e1a\u76d1\u63a7\uff0c\u4f46\u80fd\u4f5c\u4e3a\u4e34\u65f6\u515c\u5e95\u3002\u6210\u719f\u4e00\u4e9b\u7684\u73af\u5883\u53ef\u4ee5\u628a\u544a\u8b66\u63a5\u5165\u90ae\u4ef6\u3001\u4f01\u4e1a\u804a\u5929\u5de5\u5177\u6216\u76d1\u63a7\u7cfb\u7edf\uff0c\u5e76\u589e\u52a0\u4e09\u4e2a\u7ef4\u5ea6\uff1aDocker \u65e5\u5fd7\u76ee\u5f55\u5927\u5c0f\u3001volume \u589e\u957f\u901f\u5ea6\u3001\u8fc7\u53bb 1 \u5c0f\u65f6\u65b0\u589e\u65e5\u5fd7\u91cf\u3002<\/p>\n
\u6392\u969c\u5b8c\u6210\u540e\uff0c\u6211\u4eec\u5efa\u8bae\u8bb0\u5f55\u4e00\u6b21\u53d8\u66f4\u5355\uff0c\u81f3\u5c11\u5199\u6e05\u695a\u56db\u9879\u5185\u5bb9\uff1a<\/p>\n
    \n
  • \u89e6\u53d1\u65f6\u95f4\u548c\u5cf0\u503c\uff1a\u4f8b\u5982 2026-07-30 10:20\uff0c\u6839\u5206\u533a\u4ece 72% \u5347\u5230 100%\u3002<\/li>\n
  • \u6700\u5927\u6587\u4ef6\u6765\u6e90\uff1a\u4f8b\u5982\u67d0\u4e1a\u52a1\u5bb9\u5668 json.log<\/code> \u5728 6 \u5c0f\u65f6\u5185\u589e\u957f\u5230 18GB\u3002<\/li>\n
  • \u5df2\u6267\u884c\u4fee\u590d\uff1a\u4f8b\u5982\u622a\u65ad\u65e5\u5fd7\u3001\u914d\u7f6e max-size=100m<\/code> \u548c max-file=3<\/code>\u3001\u91cd\u5efa\u5bb9\u5668\u3002<\/li>\n
  • \u540e\u7eed\u9a8c\u8bc1\u6807\u51c6\uff1a\u4f8b\u5982\u8fde\u7eed 24 \u5c0f\u65f6\u6839\u5206\u533a\u4f4e\u4e8e 75%\uff0c\u540c\u4e00\u65e5\u5fd7\u6587\u4ef6\u4f4e\u4e8e 300MB\u3002<\/li>\n<\/ul>\n
    \u8fd9\u4efd\u8bb0\u5f55\u770b\u4f3c\u7b80\u5355\uff0c\u4f46\u5bf9\u56e2\u961f\u534f\u4f5c\u5f88\u6709\u4ef7\u503c\u3002\u4e0b\u4e00\u6b21\u518d\u51fa\u73b0\u78c1\u76d8\u589e\u957f\uff0c\u5c31\u80fd\u5feb\u901f\u5224\u65ad\u662f\u540c\u4e00\u95ee\u9898\u590d\u53d1\uff0c\u8fd8\u662f\u65b0\u7684\u670d\u52a1\u4ea7\u751f\u4e86\u5f02\u5e38\u65e5\u5fd7\u3002<\/p>\n
    \"\u670d\u52a1\u5668\u5bb9\u91cf\u9884\u8b66\u4e0e\u590d\u76d8\u8bb0\u5f55\"<\/p>\n
    \u603b\u7ed3\uff1a\u628a\u4e00\u6b21\u6e05\u7406\u53d8\u6210\u4e00\u5957\u8fd0\u7ef4\u89c4\u8303<\/h2>\n
    Docker \u65e5\u5fd7\u5360\u6ee1\u78c1\u76d8\u7684\u89e3\u51b3\u987a\u5e8f\u53ef\u4ee5\u6982\u62ec\u4e3a\uff1a\u5148\u7528 df<\/code> \u548c du<\/code> \u786e\u8ba4\u7a7a\u95f4\u6765\u6e90\uff0c\u518d\u7528 truncate<\/code> \u4e34\u65f6\u91ca\u653e\u5927\u65e5\u5fd7\u6587\u4ef6\uff0c\u968f\u540e\u914d\u7f6e Docker \u65e5\u5fd7\u8f6e\u8f6c\uff0c\u6700\u540e\u8865\u4e0a\u5bb9\u91cf\u9884\u8b66\u548c\u590d\u76d8\u8bb0\u5f55\u3002\u4e0d\u8981\u53ea\u4f9d\u8d56\u6269\u5bb9\uff0c\u56e0\u4e3a\u5f02\u5e38\u65e5\u5fd7\u4f1a\u628a\u66f4\u5927\u7684\u78c1\u76d8\u4e5f\u5199\u6ee1\uff1b\u4e5f\u4e0d\u8981\u53ea\u4f9d\u8d56\u6e05\u7406\u547d\u4ee4\uff0c\u56e0\u4e3a\u95ee\u9898\u4f1a\u5728\u4e0b\u4e00\u6b21\u5f02\u5e38\u5237\u5c4f\u65f6\u91cd\u65b0\u51fa\u73b0\u3002<\/p>\n
    \u5982\u679c\u4f60\u7684\u4e1a\u52a1\u5df2\u7ecf\u4ece\u5355\u4e2a\u6d4b\u8bd5\u5bb9\u5668\u53d1\u5c55\u5230\u591a\u4e2a\u751f\u4ea7\u670d\u52a1\uff0c\u5efa\u8bae\u628a\u65e5\u5fd7\u4e0a\u9650\u3001\u5907\u4efd\u76ee\u5f55\u3001\u76d1\u63a7\u9608\u503c\u548c\u5e94\u6025\u547d\u4ee4\u5199\u8fdb\u90e8\u7f72\u6587\u6863\u3002\u5bf9\u4e8e\u9700\u8981\u7a33\u5b9a\u8fd0\u884c\u7f51\u7ad9\u3001\u63a5\u53e3\u6216\u540e\u53f0\u7cfb\u7edf\u7684\u7528\u6237\uff0c\u53ef\u4ee5\u8003\u8651\u9009\u62e9\u652f\u6301\u5feb\u7167\u3001\u76d1\u63a7\u548c\u4e2d\u6587\u6280\u672f\u652f\u6301\u7684 Hostease \u670d\u52a1\u5668\u65b9\u6848\uff0c\u518d\u914d\u5408\u672c\u6587\u7684\u65e5\u5fd7\u6cbb\u7406\u6d41\u7a0b\uff0c\u628a\u78c1\u76d8\u98ce\u9669\u63a7\u5236\u5728\u53ef\u9884\u671f\u8303\u56f4\u5185\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
    Docker \u65e5\u5fd7\u5360\u6ee1\u78c1\u76d8\u4f1a\u5bfc\u81f4\u5bb9\u5668\u5f02\u5e38\u3001\u5199\u5165\u5931\u8d25\u548c\u670d\u52a1\u4e2d\u65ad\u3002\u672c\u6587\u6559\u4f60\u6392\u67e5\u65e5\u5fd7\u6765\u6e90\u3001\u5b89\u5168\u6e05\u7406 json-file \u65e5\u5fd7\u3001\u914d\u7f6e log-opts \u8f6e\u8f6c\uff0c\u5e76\u5efa\u7acb\u78c1\u76d8\u5bb9\u91cf\u9884\u8b66\u3002<\/p>\n","protected":false},"author":2,"featured_media":32280,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[4099],"tags":[3637,4694,4557,4693],"class_list":["post-32284","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-tutorials","tag-docker","tag-4694","tag-4557","tag-4693"],"aioseo_notices":[],"jetpack_featured_media_url":"https:\/\/cn.hostease.com\/blog\/wp-content\/uploads\/2026\/08\/docker-log-disk-rotation-cover.webp","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/cn.hostease.com\/blog\/wp-json\/wp\/v2\/posts\/32284","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=32284"}],"version-history":[{"count":1,"href":"https:\/\/cn.hostease.com\/blog\/wp-json\/wp\/v2\/posts\/32284\/revisions"}],"predecessor-version":[{"id":32285,"href":"https:\/\/cn.hostease.com\/blog\/wp-json\/wp\/v2\/posts\/32284\/revisions\/32285"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/cn.hostease.com\/blog\/wp-json\/wp\/v2\/media\/32280"}],"wp:attachment":[{"href":"https:\/\/cn.hostease.com\/blog\/wp-json\/wp\/v2\/media?parent=32284"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/cn.hostease.com\/blog\/wp-json\/wp\/v2\/categories?post=32284"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/cn.hostease.com\/blog\/wp-json\/wp\/v2\/tags?post=32284"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}