{"id":208912,"date":"2025-09-30T00:16:10","date_gmt":"2025-09-29T16:16:10","guid":{"rendered":"https:\/\/www.server.hk\/blog\/208912\/"},"modified":"2025-09-30T00:16:11","modified_gmt":"2025-09-29T16:16:11","slug":"vps-scikit-learn-2","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/208912\/","title":{"rendered":"\u9999\u6e2fVPS\u5b9e\u6218\uff1a\u5feb\u901f\u90e8\u7f72Scikit\u2011learn\u673a\u5668\u5b66\u4e60\u5e73\u53f0"},"content":{"rendered":"<p>\u5728\u8fb9\u7f18\u8ba1\u7b97\u548c\u6570\u636e\u9a71\u52a8\u7684\u65f6\u4ee3\uff0c\u8bb8\u591a\u7ad9\u957f\u3001\u4f01\u4e1a\u548c\u5f00\u53d1\u8005\u9009\u62e9\u5c06\u673a\u5668\u5b66\u4e60\u670d\u52a1\u90e8\u7f72\u5728\u5ec9\u4ef7\u4e14\u5ef6\u8fdf\u4f4e\u7684\u4e91\u4e3b\u673a\u4e0a\u3002\u672c\u6587\u4ee5\u9999\u6e2fVPS\u4e3a\u573a\u666f\uff0c\u8be6\u8ff0\u5982\u4f55\u5728\u4e00\u53f0\u8f7b\u91cf\u7ea7\u4e91\u670d\u52a1\u5668\u4e0a\u5feb\u901f\u642d\u5efa\u5e76\u4f18\u5316\u57fa\u4e8e <strong>Scikit\u2011learn<\/strong> \u7684\u673a\u5668\u5b66\u4e60\u5e73\u53f0\uff0c\u517c\u987e\u5f00\u53d1\u6548\u7387\u3001\u8ba1\u7b97\u6027\u80fd\u4e0e\u8fd0\u7ef4\u53ef\u7528\u6027\u3002\u6587\u4e2d\u540c\u65f6\u9002\u5ea6\u6bd4\u8f83\u9999\u6e2f\u670d\u52a1\u5668\u4e0e\u7f8e\u56fdVPS\/\u7f8e\u56fd\u670d\u52a1\u5668\u5728\u5ef6\u8fdf\u3001\u5e26\u5bbd\u53ca\u6cd5\u89c4\u65b9\u9762\u7684\u5dee\u5f02\uff0c\u5e2e\u52a9\u8bfb\u8005\u505a\u51fa\u91c7\u8d2d\u51b3\u7b56\u3002<\/p>\n<h2>\u539f\u7406\u4e0e\u67b6\u6784\u6982\u8ff0<\/h2>\n<p>Scikit\u2011learn \u662f\u6784\u5efa\u4f20\u7edf\u673a\u5668\u5b66\u4e60\uff08\u76d1\u7763\u5b66\u4e60\u3001\u65e0\u76d1\u7763\u5b66\u4e60\u3001\u7279\u5f81\u5de5\u7a0b\u3001\u6a21\u578b\u8bc4\u4f30\uff09\u7684\u8f7b\u91cf\u7ea7 Python \u5e93\uff0c\u4f9d\u8d56\u6570\u503c\u8ba1\u7b97\u5e93\uff08NumPy\u3001SciPy\uff09\u548c\u7ebf\u6027\u4ee3\u6570\u52a0\u901f\uff08BLAS\/LAPACK\uff09\u3002\u5728 VPS \u4e0a\u90e8\u7f72\u65f6\uff0c\u4e3b\u8981\u5173\u6ce8\u70b9\u4e3a\uff1a<\/p>\n<ul>\n<li>\u8ba1\u7b97\u8d44\u6e90\uff08CPU \u6838\u6570\u3001\u9891\u7387\u3001\u5185\u5b58\uff09\u2014\u2014Scikit\u2011learn \u591a\u6570\u7b97\u6cd5\u662f CPU \u5bc6\u96c6\u578b\uff0c\u652f\u6301\u5e76\u884c\uff08joblib\uff09\u4f46\u4e0d\u4f9d\u8d56 GPU\u3002<\/li>\n<li>\u6570\u503c\u5e93\u7684\u5e95\u5c42\u5b9e\u73b0\uff08OpenBLAS\u3001Intel MKL\uff09\u2014\u2014\u51b3\u5b9a\u77e9\u9635\u8fd0\u7b97\u6027\u80fd\u3002<\/li>\n<li>\u78c1\u76d8 I\/O \u4e0e\u6570\u636e\u5b58\u50a8\u2014\u2014\u8bad\u7ec3\u6570\u636e\u8bfb\u53d6\u3001\u7f13\u5b58\u4e0e\u6a21\u578b\u6301\u4e45\u5316\u3002<\/li>\n<li>\u7f51\u7edc\u4e0e\u5ef6\u8fdf\u2014\u2014\u6a21\u578b\u63d0\u4f9b API \u670d\u52a1\u65f6\u5bf9\u8bbf\u95ee\u54cd\u5e94\u5f71\u54cd\u660e\u663e\u3002<\/li>\n<li>\u9694\u79bb\u4e0e\u53ef\u7ef4\u62a4\u6027\u2014\u2014\u7528\u865a\u62df\u73af\u5883\u6216\u5bb9\u5668\u7ba1\u7406\u4f9d\u8d56\uff0c\u65b9\u4fbf\u6eda\u52a8\u66f4\u65b0\u4e0e\u56de\u6eda\u3002<\/li>\n<\/ul>\n<h3>\u63a8\u8350\u7cfb\u7edf\u67b6\u6784\uff08\u8f7b\u91cf\u751f\u4ea7\u7ea7\uff09<\/h3>\n<ul>\n<li>\u64cd\u4f5c\u7cfb\u7edf\uff1aUbuntu LTS\uff0818.04\/20.04\/22.04\uff09\u6216 Debian \u7a33\u5b9a\u7248\u3002<\/li>\n<li>Python \u73af\u5883\uff1a\u4f7f\u7528 <code>venv<\/code> \u6216 Conda \u521b\u5efa\u72ec\u7acb\u73af\u5883\u3002<\/li>\n<li>\u4f9d\u8d56\u5b89\u88c5\uff1aNumPy\u3001SciPy \u4f18\u5148\u4f7f\u7528\u9884\u7f16\u8bd1\u8f6e\u5b50\u6216\u7cfb\u7edf\u7ea7 BLAS\uff08apt + OpenBLAS\uff09\uff0c\u7136\u540e\u5b89\u88c5 scikit\u2011learn \u4e0e joblib\u3002<\/li>\n<li>\u670d\u52a1\u5c42\uff1aFlask\/FastAPI + Gunicorn\/Uvicorn\uff0c\u524d\u7aef\u4f7f\u7528 Nginx \u505a\u53cd\u5411\u4ee3\u7406\u4e0e TLS \u7ec8\u7aef\u3002<\/li>\n<li>\u6301\u4e45\u5316\uff1a\u6a21\u578b\u6587\u4ef6\uff08joblib.dump\uff09\u5b58\u50a8\u5728 SSD\uff0c\u5e76\u914d\u7f6e\u5b9a\u671f\u5907\u4efd\u81f3\u5bf9\u8c61\u5b58\u50a8\u6216\u5feb\u7167\u3002<\/li>\n<\/ul>\n<h2>\u90e8\u7f72\u6b65\u9aa4\uff08\u5b9e\u6218\u7ec6\u8282\uff09<\/h2>\n<p>\u4ee5\u4e0b\u4ee5 Ubuntu 20.04 \u4e3a\u4f8b\uff0c\u8bf4\u660e\u4ece VPS \u521d\u59cb\u5316\u5230\u8fd0\u884c\u6d4b\u8bd5\u6a21\u578b\u7684\u5173\u952e\u547d\u4ee4\u4e0e\u4f18\u5316\u70b9\u3002<\/p>\n<h3>1. \u4e3b\u673a\u51c6\u5907\u4e0e\u7cfb\u7edf\u4f18\u5316<\/h3>\n<ul>\n<li>\u66f4\u65b0\u57fa\u7840\u5305\uff1a<code>sudo apt update &amp;&amp; sudo apt upgrade -y<\/code>\u3002<\/li>\n<li>\u5b89\u88c5\u5e38\u7528\u5de5\u5177\uff1a<code>sudo apt install -y build-essential python3-venv python3-pip nginx git<\/code>\u3002<\/li>\n<li>\u9009\u62e9 BLAS \u5b9e\u73b0\uff1a\u9ed8\u8ba4 OpenBLAS \u53ef\u901a\u8fc7 <code>sudo apt install libopenblas-dev<\/code> \u5b89\u88c5\uff1b\u5bf9\u6027\u80fd\u6709\u66f4\u9ad8\u8981\u6c42\u7684\u53ef\u4f7f\u7528 Intel MKL\uff08\u901a\u8fc7 conda \u5b89\u88c5\uff09\u3002<\/li>\n<li>\u8c03\u6574\u865a\u62df\u5185\u5b58\uff1a\u82e5\u5185\u5b58\u6709\u9650\uff0c\u5efa\u8bae\u589e\u52a0 swap\uff0c\u4f8b <code>fallocate -l 4G \/swapfile &amp;&amp; chmod 600 \/swapfile &amp;&amp; mkswap \/swapfile &amp;&amp; swapon \/swapfile<\/code>\u3002<\/li>\n<li>\u914d\u7f6e\u9632\u706b\u5899\u4e0e SSH\uff1a\u4f7f\u7528 UFW \u5f00\u542f\u5fc5\u8981\u7aef\u53e3\uff0822, 80, 443, API \u7aef\u53e3\uff09\uff0c\u5e76\u7981\u7528\u5bc6\u7801\u767b\u5f55\u4ec5\u4f7f\u7528\u5bc6\u94a5\u3002<\/li>\n<\/ul>\n<h3>2. Python \u73af\u5883\u4e0e\u4f9d\u8d56<\/h3>\n<ul>\n<li>\u521b\u5efa\u865a\u62df\u73af\u5883\uff1a<code>python3 -m venv ~\/mlenv &amp;&amp; source ~\/mlenv\/bin\/activate<\/code>\u3002<\/li>\n<li>\u5347\u7ea7 pip \u5e76\u5b89\u88c5 wheel\uff1a<code>pip install --upgrade pip wheel setuptools<\/code>\u3002<\/li>\n<li>\u4f18\u5148\u5b89\u88c5\u52a0\u901f\u5e93\uff1a\u82e5\u4f7f\u7528\u7cfb\u7edf BLAS\uff0c\u5219\u76f4\u63a5\u5b89\u88c5 NumPy\/Scipy\uff1a<code>pip install numpy scipy<\/code>\u3002\u82e5\u4f7f\u7528 conda\uff0c\u53ef\u83b7\u5f97 Intel MKL \u52a0\u901f\uff1a<code>conda install numpy scipy scikit-learn -c conda-forge<\/code>\u3002<\/li>\n<li>\u5b89\u88c5 scikit\u2011learn \u4e0e\u5de5\u5177\uff1a<code>pip install scikit-learn joblib pandas<\/code>\u3002<\/li>\n<\/ul>\n<h3>3. \u6570\u636e\u7ba1\u7406\u4e0e\u6027\u80fd\u8c03\u4f18<\/h3>\n<ul>\n<li>\u6570\u636e\u9884\u5904\u7406\uff1a\u5c3d\u91cf\u505a\u6279\u91cf\u5316\u548c\u6d41\u5f0f\u5904\u7406\uff0c\u907f\u514d\u4e00\u6b21\u6027\u5c06\u5927\u6570\u636e\u96c6\u8f7d\u5165\u5185\u5b58\u3002\u53ef\u4f7f\u7528 pandas \u7684 chunk \u8bfb\u53d6\u6216 Dask\uff08\u82e5\u9700\u8981\u5206\u5e03\u5f0f\u6269\u5c55\uff09\u3002<\/li>\n<li>\u5e76\u884c\u63a7\u5236\uff1ascikit\u2011learn \u7684\u8bb8\u591a\u63a5\u53e3\u652f\u6301 <code>n_jobs<\/code>\uff0c\u5c06\u5176\u8bbe\u7f6e\u4e3a CPU \u6838\u5fc3\u6570\u6216\u5408\u9002\u503c\uff1b\u540c\u65f6\u6ce8\u610f\u4e0d\u8981\u8ba9\u7cfb\u7edf\u8fc7\u5ea6\u4ea4\u6362\u3002<\/li>\n<li>\u77e9\u9635\u8fd0\u7b97\u52a0\u901f\uff1a\u901a\u8fc7\u5b89\u88c5\u5408\u9002\u7684 BLAS\uff08OpenBLAS\/MKL\uff09\u5927\u5e45\u63d0\u5347\u8bad\u7ec3\u901f\u5ea6\uff0c\u5c24\u5176\u662f\u5bf9\u7ebf\u6027\u4ee3\u6570\u5bc6\u96c6\u578b\u7b97\u6cd5\uff08PCA\u3001SVM\u3001\u7ebf\u6027\u56de\u5f52\uff09\u3002<\/li>\n<li>I\/O \u4f18\u5316\uff1a\u4f7f\u7528 SSD\u3001RAID \u6216\u7f13\u5b58\u5c42\u51cf\u5c11\u78c1\u76d8\u74f6\u9888\uff1b\u5bf9\u9891\u7e41\u8bbf\u95ee\u7684\u6a21\u578b\u548c\u6570\u636e\u542f\u7528\u5185\u5b58\u7f13\u5b58\u3002<\/li>\n<\/ul>\n<h3>4. \u670d\u52a1\u5316\u90e8\u7f72<\/h3>\n<ul>\n<li>\u521b\u5efa API\uff1a\u4f7f\u7528 FastAPI \u7f16\u5199\u9884\u6d4b\u670d\u52a1\u63a5\u53e3\uff0c\u793a\u4f8b\uff1a\u52a0\u8f7d\u6a21\u578b\u5e76\u5728\u63a5\u6536\u8bf7\u6c42\u65f6\u8c03\u7528 model.predict\u3002<\/li>\n<li>\u8fdb\u7a0b\u7ba1\u7406\uff1a\u4f7f\u7528 Gunicorn \u6216 Uvicorn + systemd \u7ba1\u7406\u8fdb\u7a0b\uff0c\u786e\u4fdd\u81ea\u52a8\u91cd\u542f\u4e0e\u65e5\u5fd7\u6536\u96c6\u3002<\/li>\n<li>\u53cd\u5411\u4ee3\u7406\u4e0e TLS\uff1aNginx \u4f5c\u4e3a\u524d\u7aef\uff0c\u542f\u7528 Let&#8217;s Encrypt \u514d\u8d39\u8bc1\u4e66\uff0c\u914d\u7f6e\u7f13\u5b58\u4e0e gzip \u538b\u7f29\u3002<\/li>\n<li>\u76d1\u63a7\u4e0e\u65e5\u5fd7\uff1a\u914d\u7f6e Prometheus + Grafana \u6216\u4f7f\u7528\u670d\u52a1\u5546\u63d0\u4f9b\u7684\u76d1\u63a7\u9762\u677f\uff0c\u8ddf\u8e2a CPU\u3001\u5185\u5b58\u3001\u54cd\u5e94\u65f6\u95f4\u4e0e\u541e\u5410\u91cf\u3002<\/li>\n<\/ul>\n<h2>\u5178\u578b\u5e94\u7528\u573a\u666f<\/h2>\n<p>\u5728\u9999\u6e2fVPS \u4e0a\u4f7f\u7528 Scikit\u2011learn \u9002\u5408\u4ee5\u4e0b\u573a\u666f\uff1a<\/p>\n<ul>\n<li>\u8f7b\u91cf\u7ea7\u5728\u7ebf\u9884\u6d4b\u670d\u52a1\uff08\u63a8\u8350\u5bf9\u5ef6\u8fdf\u654f\u611f\u7684\u5e94\u7528\uff0c\u5982\u5e7f\u544a\u63a8\u8350\u3001\u4e2a\u6027\u5316\u5185\u5bb9\uff09<\/li>\n<li>\u79bb\u7ebf\u7279\u5f81\u5de5\u7a0b\u4e0e\u5feb\u901f\u5b9e\u9a8c\uff08A\/B \u6d4b\u8bd5\u3001\u6a21\u578b\u8fed\u4ee3\uff09<\/li>\n<li>\u6570\u636e\u6e05\u6d17\u4e0e\u6279\u91cf\u8bc4\u5206\u4efb\u52a1<\/li>\n<li>\u6559\u80b2\u4e0e\u539f\u578b\u5f00\u53d1\uff1a\u6210\u672c\u4f4e\u3001\u90e8\u7f72\u5feb\uff0c\u9002\u5408\u5185\u7f51\u6216\u533a\u57df\u6027\u670d\u52a1<\/li>\n<\/ul>\n<h2>\u4f18\u52bf\u5bf9\u6bd4\uff1a\u9999\u6e2fVPS \u4e0e 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