<?xml version="1.0" encoding="utf-8" standalone="yes"?><rss version="2.0" xmlns:atom="http://www.w3.org/2005/Atom"><channel><title>milvus on Astroicers Blog</title><link>https://astroicers.link/tags/milvus.html</link><description>Recent content in milvus on Astroicers Blog</description><generator>Hugo -- gohugo.io</generator><language>en</language><lastBuildDate>Sun, 19 Apr 2026 00:00:00 +0000</lastBuildDate><atom:link href="https://astroicers.link/tags/milvus/index.xml" rel="self" type="application/rss+xml"/><item><title>Milvus 向量資料庫完整指南</title><link>https://astroicers.link/p/milvus-%E5%90%91%E9%87%8F%E8%B3%87%E6%96%99%E5%BA%AB%E5%AE%8C%E6%95%B4%E6%8C%87%E5%8D%97.html</link><pubDate>Sun, 19 Apr 2026 00:00:00 +0000</pubDate><guid>https://astroicers.link/p/milvus-%E5%90%91%E9%87%8F%E8%B3%87%E6%96%99%E5%BA%AB%E5%AE%8C%E6%95%B4%E6%8C%87%E5%8D%97.html</guid><description>&lt;h2 id="專案簡介">專案簡介&lt;/h2>
&lt;p>&lt;a class="link" href="https://github.com/milvus-io/milvus" target="_blank" rel="noopener"
>Milvus&lt;/a> 是一個開源的向量資料庫，專為儲存、索引和搜尋大規模向量資料設計。支援十億級向量的毫秒級搜尋，是建構 RAG、語義搜尋、推薦系統的首選方案。&lt;/p>
&lt;p>&lt;strong>GitHub Stars&lt;/strong>: 42K+&lt;/p>
&lt;h2 id="主要功能">主要功能&lt;/h2>
&lt;ul>
&lt;li>&lt;strong>高效能&lt;/strong> - 十億級向量毫秒搜尋&lt;/li>
&lt;li>&lt;strong>多索引&lt;/strong> - IVF、HNSW、ANNOY 等&lt;/li>
&lt;li>&lt;strong>標量過濾&lt;/strong> - 結合向量和屬性搜尋&lt;/li>
&lt;li>&lt;strong>分散式架構&lt;/strong> - 水平擴展&lt;/li>
&lt;li>&lt;strong>雲原生&lt;/strong> - Kubernetes 部署&lt;/li>
&lt;/ul>
&lt;h2 id="快速部署">快速部署&lt;/h2>
&lt;h3 id="docker-composestandalone">Docker Compose（Standalone）&lt;/h3>
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&lt;pre tabindex="0" class="chroma">&lt;code class="language-yaml" data-lang="yaml">&lt;span class="line">&lt;span class="cl">&lt;span class="nt">version&lt;/span>&lt;span class="p">:&lt;/span>&lt;span class="w"> &lt;/span>&lt;span class="s1">&amp;#39;3.8&amp;#39;&lt;/span>&lt;span class="w">
&lt;/span>&lt;/span>&lt;/span>&lt;span class="line">&lt;span class="cl">&lt;span class="w">&lt;/span>&lt;span class="nt">services&lt;/span>&lt;span class="p">:&lt;/span>&lt;span class="w">
&lt;/span>&lt;/span>&lt;/span>&lt;span class="line">&lt;span class="cl">&lt;span class="w"> &lt;/span>&lt;span class="nt">etcd&lt;/span>&lt;span class="p">:&lt;/span>&lt;span class="w">
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&lt;/span>&lt;/span>&lt;/span>&lt;span class="line">&lt;span class="cl">&lt;span class="w"> &lt;/span>- &lt;span class="l">ETCD_QUOTA_BACKEND_BYTES=4294967296&lt;/span>&lt;span class="w">
&lt;/span>&lt;/span>&lt;/span>&lt;span class="line">&lt;span class="cl">&lt;span class="w"> &lt;/span>- &lt;span class="l">ETCD_SNAPSHOT_COUNT=50000&lt;/span>&lt;span class="w">
&lt;/span>&lt;/span>&lt;/span>&lt;span class="line">&lt;span class="cl">&lt;span class="w"> &lt;/span>&lt;span class="nt">volumes&lt;/span>&lt;span class="p">:&lt;/span>&lt;span class="w">
&lt;/span>&lt;/span>&lt;/span>&lt;span class="line">&lt;span class="cl">&lt;span class="w"> &lt;/span>- &lt;span class="l">etcd-data:/etcd&lt;/span>&lt;span class="w">
&lt;/span>&lt;/span>&lt;/span>&lt;span class="line">&lt;span class="cl">&lt;span class="w"> &lt;/span>&lt;span class="nt">command&lt;/span>&lt;span class="p">:&lt;/span>&lt;span class="w"> &lt;/span>&lt;span class="l">etcd -advertise-client-urls=http://127.0.0.1:2379 -listen-client-urls http://0.0.0.0:2379 --data-dir /etcd&lt;/span>&lt;span class="w">
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&lt;/span>&lt;/span>&lt;/span>&lt;span class="line">&lt;span class="cl">&lt;span class="w"> &lt;/span>&lt;span class="nt">minio&lt;/span>&lt;span class="p">:&lt;/span>&lt;span class="w">
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&lt;/span>&lt;/span>&lt;/span>&lt;span class="line">&lt;span class="cl">&lt;span class="w"> &lt;/span>- &lt;span class="l">minio-data:/minio_data&lt;/span>&lt;span class="w">
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&lt;/span>&lt;/span>&lt;/span>&lt;span class="line">&lt;span class="cl">&lt;span class="w"> &lt;/span>&lt;span class="nt">healthcheck&lt;/span>&lt;span class="p">:&lt;/span>&lt;span class="w">
&lt;/span>&lt;/span>&lt;/span>&lt;span class="line">&lt;span class="cl">&lt;span class="w"> &lt;/span>&lt;span class="nt">test&lt;/span>&lt;span class="p">:&lt;/span>&lt;span class="w"> &lt;/span>&lt;span class="p">[&lt;/span>&lt;span class="s2">&amp;#34;CMD&amp;#34;&lt;/span>&lt;span class="p">,&lt;/span>&lt;span class="w"> &lt;/span>&lt;span class="s2">&amp;#34;curl&amp;#34;&lt;/span>&lt;span class="p">,&lt;/span>&lt;span class="w"> &lt;/span>&lt;span class="s2">&amp;#34;-f&amp;#34;&lt;/span>&lt;span class="p">,&lt;/span>&lt;span class="w"> &lt;/span>&lt;span class="s2">&amp;#34;http://localhost:9000/minio/health/live&amp;#34;&lt;/span>&lt;span class="p">]&lt;/span>&lt;span class="w">
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&lt;/span>&lt;/span>&lt;/span>&lt;span class="line">&lt;span class="cl">&lt;span class="w"> &lt;/span>&lt;span class="nt">timeout&lt;/span>&lt;span class="p">:&lt;/span>&lt;span class="w"> &lt;/span>&lt;span class="l">20s&lt;/span>&lt;span class="w">
&lt;/span>&lt;/span>&lt;/span>&lt;span class="line">&lt;span class="cl">&lt;span class="w"> &lt;/span>&lt;span class="nt">retries&lt;/span>&lt;span class="p">:&lt;/span>&lt;span class="w"> &lt;/span>&lt;span class="m">3&lt;/span>&lt;span class="w">
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&lt;/span>&lt;/span>&lt;/span>&lt;span class="line">&lt;span class="cl">&lt;span class="w"> &lt;/span>&lt;span class="nt">command&lt;/span>&lt;span class="p">:&lt;/span>&lt;span class="w"> &lt;/span>&lt;span class="p">[&lt;/span>&lt;span class="s2">&amp;#34;milvus&amp;#34;&lt;/span>&lt;span class="p">,&lt;/span>&lt;span class="w"> &lt;/span>&lt;span class="s2">&amp;#34;run&amp;#34;&lt;/span>&lt;span class="p">,&lt;/span>&lt;span class="w"> &lt;/span>&lt;span class="s2">&amp;#34;standalone&amp;#34;&lt;/span>&lt;span class="p">]&lt;/span>&lt;span class="w">
&lt;/span>&lt;/span>&lt;/span>&lt;span class="line">&lt;span class="cl">&lt;span class="w"> &lt;/span>&lt;span class="nt">environment&lt;/span>&lt;span class="p">:&lt;/span>&lt;span class="w">
&lt;/span>&lt;/span>&lt;/span>&lt;span class="line">&lt;span class="cl">&lt;span class="w"> &lt;/span>&lt;span class="nt">ETCD_ENDPOINTS&lt;/span>&lt;span class="p">:&lt;/span>&lt;span class="w"> &lt;/span>&lt;span class="l">etcd:2379&lt;/span>&lt;span class="w">
&lt;/span>&lt;/span>&lt;/span>&lt;span class="line">&lt;span class="cl">&lt;span class="w"> &lt;/span>&lt;span class="nt">MINIO_ADDRESS&lt;/span>&lt;span class="p">:&lt;/span>&lt;span class="w"> &lt;/span>&lt;span class="l">minio:9000&lt;/span>&lt;span class="w">
&lt;/span>&lt;/span>&lt;/span>&lt;span class="line">&lt;span class="cl">&lt;span class="w"> &lt;/span>&lt;span class="nt">volumes&lt;/span>&lt;span class="p">:&lt;/span>&lt;span class="w">
&lt;/span>&lt;/span>&lt;/span>&lt;span class="line">&lt;span class="cl">&lt;span class="w"> &lt;/span>- &lt;span class="l">milvus-data:/var/lib/milvus&lt;/span>&lt;span class="w">
&lt;/span>&lt;/span>&lt;/span>&lt;span class="line">&lt;span class="cl">&lt;span class="w"> &lt;/span>&lt;span class="nt">ports&lt;/span>&lt;span class="p">:&lt;/span>&lt;span class="w">
&lt;/span>&lt;/span>&lt;/span>&lt;span class="line">&lt;span class="cl">&lt;span class="w"> &lt;/span>- &lt;span class="s2">&amp;#34;19530:19530&amp;#34;&lt;/span>&lt;span class="w">
&lt;/span>&lt;/span>&lt;/span>&lt;span class="line">&lt;span class="cl">&lt;span class="w"> &lt;/span>- &lt;span class="s2">&amp;#34;9091:9091&amp;#34;&lt;/span>&lt;span class="w">
&lt;/span>&lt;/span>&lt;/span>&lt;span class="line">&lt;span class="cl">&lt;span class="w"> &lt;/span>&lt;span class="nt">depends_on&lt;/span>&lt;span class="p">:&lt;/span>&lt;span class="w">
&lt;/span>&lt;/span>&lt;/span>&lt;span class="line">&lt;span class="cl">&lt;span class="w"> &lt;/span>- &lt;span class="l">etcd&lt;/span>&lt;span class="w">
&lt;/span>&lt;/span>&lt;/span>&lt;span class="line">&lt;span class="cl">&lt;span class="w"> &lt;/span>- &lt;span class="l">minio&lt;/span>&lt;span class="w">
&lt;/span>&lt;/span>&lt;/span>&lt;span class="line">&lt;span class="cl">&lt;span class="w">
&lt;/span>&lt;/span>&lt;/span>&lt;span class="line">&lt;span class="cl">&lt;span class="w">&lt;/span>&lt;span class="nt">volumes&lt;/span>&lt;span class="p">:&lt;/span>&lt;span class="w">
&lt;/span>&lt;/span>&lt;/span>&lt;span class="line">&lt;span class="cl">&lt;span class="w"> &lt;/span>&lt;span class="nt">etcd-data&lt;/span>&lt;span class="p">:&lt;/span>&lt;span class="w">
&lt;/span>&lt;/span>&lt;/span>&lt;span class="line">&lt;span class="cl">&lt;span class="w"> &lt;/span>&lt;span class="nt">minio-data&lt;/span>&lt;span class="p">:&lt;/span>&lt;span class="w">
&lt;/span>&lt;/span>&lt;/span>&lt;span class="line">&lt;span class="cl">&lt;span class="w"> &lt;/span>&lt;span class="nt">milvus-data&lt;/span>&lt;span class="p">:&lt;/span>&lt;span class="w">
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&lt;/div>
&lt;/div>&lt;h3 id="milvus-lite開發用">Milvus Lite（開發用）&lt;/h3>
&lt;div class="highlight">&lt;div class="chroma">
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&lt;pre tabindex="0" class="chroma">&lt;code>&lt;span class="lnt">1
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&lt;pre tabindex="0" class="chroma">&lt;code class="language-python" data-lang="python">&lt;span class="line">&lt;span class="cl">&lt;span class="kn">from&lt;/span> &lt;span class="nn">pymilvus&lt;/span> &lt;span class="kn">import&lt;/span> &lt;span class="n">MilvusClient&lt;/span>
&lt;/span>&lt;/span>&lt;span class="line">&lt;span class="cl">
&lt;/span>&lt;/span>&lt;span class="line">&lt;span class="cl">&lt;span class="c1"># 使用本地檔案&lt;/span>
&lt;/span>&lt;/span>&lt;span class="line">&lt;span class="cl">&lt;span class="n">client&lt;/span> &lt;span class="o">=&lt;/span> &lt;span class="n">MilvusClient&lt;/span>&lt;span class="p">(&lt;/span>&lt;span class="s2">&amp;#34;milvus_demo.db&amp;#34;&lt;/span>&lt;span class="p">)&lt;/span>
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&lt;/div>
&lt;/div>&lt;h2 id="python-sdk">Python SDK&lt;/h2>
&lt;h3 id="安裝">安裝&lt;/h3>
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&lt;pre tabindex="0" class="chroma">&lt;code class="language-bash" data-lang="bash">&lt;span class="line">&lt;span class="cl">pip install pymilvus
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&lt;/div>
&lt;/div>&lt;h3 id="連線">連線&lt;/h3>
&lt;div class="highlight">&lt;div class="chroma">
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&lt;pre tabindex="0" class="chroma">&lt;code class="language-python" data-lang="python">&lt;span class="line">&lt;span class="cl">&lt;span class="kn">from&lt;/span> &lt;span class="nn">pymilvus&lt;/span> &lt;span class="kn">import&lt;/span> &lt;span class="n">connections&lt;/span>&lt;span class="p">,&lt;/span> &lt;span class="n">Collection&lt;/span>
&lt;/span>&lt;/span>&lt;span class="line">&lt;span class="cl">
&lt;/span>&lt;/span>&lt;span class="line">&lt;span class="cl">&lt;span class="n">connections&lt;/span>&lt;span class="o">.&lt;/span>&lt;span class="n">connect&lt;/span>&lt;span class="p">(&lt;/span>
&lt;/span>&lt;/span>&lt;span class="line">&lt;span class="cl"> &lt;span class="n">alias&lt;/span>&lt;span class="o">=&lt;/span>&lt;span class="s2">&amp;#34;default&amp;#34;&lt;/span>&lt;span class="p">,&lt;/span>
&lt;/span>&lt;/span>&lt;span class="line">&lt;span class="cl"> &lt;span class="n">host&lt;/span>&lt;span class="o">=&lt;/span>&lt;span class="s2">&amp;#34;localhost&amp;#34;&lt;/span>&lt;span class="p">,&lt;/span>
&lt;/span>&lt;/span>&lt;span class="line">&lt;span class="cl"> &lt;span class="n">port&lt;/span>&lt;span class="o">=&lt;/span>&lt;span class="s2">&amp;#34;19530&amp;#34;&lt;/span>
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&lt;/div>
&lt;/div>&lt;h3 id="建立-collection">建立 Collection&lt;/h3>
&lt;div class="highlight">&lt;div class="chroma">
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&lt;td class="lntd">
&lt;pre tabindex="0" class="chroma">&lt;code class="language-python" data-lang="python">&lt;span class="line">&lt;span class="cl">&lt;span class="kn">from&lt;/span> &lt;span class="nn">pymilvus&lt;/span> &lt;span class="kn">import&lt;/span> &lt;span class="n">CollectionSchema&lt;/span>&lt;span class="p">,&lt;/span> &lt;span class="n">FieldSchema&lt;/span>&lt;span class="p">,&lt;/span> &lt;span class="n">DataType&lt;/span>
&lt;/span>&lt;/span>&lt;span class="line">&lt;span class="cl">
&lt;/span>&lt;/span>&lt;span class="line">&lt;span class="cl">&lt;span class="c1"># 定義 Schema&lt;/span>
&lt;/span>&lt;/span>&lt;span class="line">&lt;span class="cl">&lt;span class="n">fields&lt;/span> &lt;span class="o">=&lt;/span> &lt;span class="p">[&lt;/span>
&lt;/span>&lt;/span>&lt;span class="line">&lt;span class="cl"> &lt;span class="n">FieldSchema&lt;/span>&lt;span class="p">(&lt;/span>&lt;span class="n">name&lt;/span>&lt;span class="o">=&lt;/span>&lt;span class="s2">&amp;#34;id&amp;#34;&lt;/span>&lt;span class="p">,&lt;/span> &lt;span class="n">dtype&lt;/span>&lt;span class="o">=&lt;/span>&lt;span class="n">DataType&lt;/span>&lt;span class="o">.&lt;/span>&lt;span class="n">INT64&lt;/span>&lt;span class="p">,&lt;/span> &lt;span class="n">is_primary&lt;/span>&lt;span class="o">=&lt;/span>&lt;span class="kc">True&lt;/span>&lt;span class="p">,&lt;/span> &lt;span class="n">auto_id&lt;/span>&lt;span class="o">=&lt;/span>&lt;span class="kc">True&lt;/span>&lt;span class="p">),&lt;/span>
&lt;/span>&lt;/span>&lt;span class="line">&lt;span class="cl"> &lt;span class="n">FieldSchema&lt;/span>&lt;span class="p">(&lt;/span>&lt;span class="n">name&lt;/span>&lt;span class="o">=&lt;/span>&lt;span class="s2">&amp;#34;text&amp;#34;&lt;/span>&lt;span class="p">,&lt;/span> &lt;span class="n">dtype&lt;/span>&lt;span class="o">=&lt;/span>&lt;span class="n">DataType&lt;/span>&lt;span class="o">.&lt;/span>&lt;span class="n">VARCHAR&lt;/span>&lt;span class="p">,&lt;/span> &lt;span class="n">max_length&lt;/span>&lt;span class="o">=&lt;/span>&lt;span class="mi">1000&lt;/span>&lt;span class="p">),&lt;/span>
&lt;/span>&lt;/span>&lt;span class="line">&lt;span class="cl"> &lt;span class="n">FieldSchema&lt;/span>&lt;span class="p">(&lt;/span>&lt;span class="n">name&lt;/span>&lt;span class="o">=&lt;/span>&lt;span class="s2">&amp;#34;embedding&amp;#34;&lt;/span>&lt;span class="p">,&lt;/span> &lt;span class="n">dtype&lt;/span>&lt;span class="o">=&lt;/span>&lt;span class="n">DataType&lt;/span>&lt;span class="o">.&lt;/span>&lt;span class="n">FLOAT_VECTOR&lt;/span>&lt;span class="p">,&lt;/span> &lt;span class="n">dim&lt;/span>&lt;span class="o">=&lt;/span>&lt;span class="mi">768&lt;/span>&lt;span class="p">)&lt;/span>
&lt;/span>&lt;/span>&lt;span class="line">&lt;span class="cl">&lt;span class="p">]&lt;/span>
&lt;/span>&lt;/span>&lt;span class="line">&lt;span class="cl">
&lt;/span>&lt;/span>&lt;span class="line">&lt;span class="cl">&lt;span class="n">schema&lt;/span> &lt;span class="o">=&lt;/span> &lt;span class="n">CollectionSchema&lt;/span>&lt;span class="p">(&lt;/span>&lt;span class="n">fields&lt;/span>&lt;span class="p">,&lt;/span> &lt;span class="n">description&lt;/span>&lt;span class="o">=&lt;/span>&lt;span class="s2">&amp;#34;Document embeddings&amp;#34;&lt;/span>&lt;span class="p">)&lt;/span>
&lt;/span>&lt;/span>&lt;span class="line">&lt;span class="cl">
&lt;/span>&lt;/span>&lt;span class="line">&lt;span class="cl">&lt;span class="c1"># 建立 Collection&lt;/span>
&lt;/span>&lt;/span>&lt;span class="line">&lt;span class="cl">&lt;span class="n">collection&lt;/span> &lt;span class="o">=&lt;/span> &lt;span class="n">Collection&lt;/span>&lt;span class="p">(&lt;/span>&lt;span class="n">name&lt;/span>&lt;span class="o">=&lt;/span>&lt;span class="s2">&amp;#34;documents&amp;#34;&lt;/span>&lt;span class="p">,&lt;/span> &lt;span class="n">schema&lt;/span>&lt;span class="o">=&lt;/span>&lt;span class="n">schema&lt;/span>&lt;span class="p">)&lt;/span>
&lt;/span>&lt;/span>&lt;span class="line">&lt;span class="cl">
&lt;/span>&lt;/span>&lt;span class="line">&lt;span class="cl">&lt;span class="c1"># 建立索引&lt;/span>
&lt;/span>&lt;/span>&lt;span class="line">&lt;span class="cl">&lt;span class="n">index_params&lt;/span> &lt;span class="o">=&lt;/span> &lt;span class="p">{&lt;/span>
&lt;/span>&lt;/span>&lt;span class="line">&lt;span class="cl"> &lt;span class="s2">&amp;#34;metric_type&amp;#34;&lt;/span>&lt;span class="p">:&lt;/span> &lt;span class="s2">&amp;#34;COSINE&amp;#34;&lt;/span>&lt;span class="p">,&lt;/span>
&lt;/span>&lt;/span>&lt;span class="line">&lt;span class="cl"> &lt;span class="s2">&amp;#34;index_type&amp;#34;&lt;/span>&lt;span class="p">:&lt;/span> &lt;span class="s2">&amp;#34;IVF_FLAT&amp;#34;&lt;/span>&lt;span class="p">,&lt;/span>
&lt;/span>&lt;/span>&lt;span class="line">&lt;span class="cl"> &lt;span class="s2">&amp;#34;params&amp;#34;&lt;/span>&lt;span class="p">:&lt;/span> &lt;span class="p">{&lt;/span>&lt;span class="s2">&amp;#34;nlist&amp;#34;&lt;/span>&lt;span class="p">:&lt;/span> &lt;span class="mi">1024&lt;/span>&lt;span class="p">}&lt;/span>
&lt;/span>&lt;/span>&lt;span class="line">&lt;span class="cl">&lt;span class="p">}&lt;/span>
&lt;/span>&lt;/span>&lt;span class="line">&lt;span class="cl">&lt;span class="n">collection&lt;/span>&lt;span class="o">.&lt;/span>&lt;span class="n">create_index&lt;/span>&lt;span class="p">(&lt;/span>&lt;span class="n">field_name&lt;/span>&lt;span class="o">=&lt;/span>&lt;span class="s2">&amp;#34;embedding&amp;#34;&lt;/span>&lt;span class="p">,&lt;/span> &lt;span class="n">index_params&lt;/span>&lt;span class="o">=&lt;/span>&lt;span class="n">index_params&lt;/span>&lt;span class="p">)&lt;/span>
&lt;/span>&lt;/span>&lt;/code>&lt;/pre>&lt;/td>&lt;/tr>&lt;/table>
&lt;/div>
&lt;/div>&lt;h3 id="插入資料">插入資料&lt;/h3>
&lt;div class="highlight">&lt;div class="chroma">
&lt;table class="lntable">&lt;tr>&lt;td class="lntd">
&lt;pre tabindex="0" class="chroma">&lt;code>&lt;span class="lnt"> 1
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&lt;/span>&lt;/code>&lt;/pre>&lt;/td>
&lt;td class="lntd">
&lt;pre tabindex="0" class="chroma">&lt;code class="language-python" data-lang="python">&lt;span class="line">&lt;span class="cl">&lt;span class="kn">from&lt;/span> &lt;span class="nn">sentence_transformers&lt;/span> &lt;span class="kn">import&lt;/span> &lt;span class="n">SentenceTransformer&lt;/span>
&lt;/span>&lt;/span>&lt;span class="line">&lt;span class="cl">
&lt;/span>&lt;/span>&lt;span class="line">&lt;span class="cl">&lt;span class="c1"># 載入 Embedding 模型&lt;/span>
&lt;/span>&lt;/span>&lt;span class="line">&lt;span class="cl">&lt;span class="n">model&lt;/span> &lt;span class="o">=&lt;/span> &lt;span class="n">SentenceTransformer&lt;/span>&lt;span class="p">(&lt;/span>&lt;span class="s1">&amp;#39;all-MiniLM-L6-v2&amp;#39;&lt;/span>&lt;span class="p">)&lt;/span>
&lt;/span>&lt;/span>&lt;span class="line">&lt;span class="cl">
&lt;/span>&lt;/span>&lt;span class="line">&lt;span class="cl">&lt;span class="c1"># 準備資料&lt;/span>
&lt;/span>&lt;/span>&lt;span class="line">&lt;span class="cl">&lt;span class="n">texts&lt;/span> &lt;span class="o">=&lt;/span> &lt;span class="p">[&lt;/span>
&lt;/span>&lt;/span>&lt;span class="line">&lt;span class="cl"> &lt;span class="s2">&amp;#34;Kubernetes 是容器編排平台&amp;#34;&lt;/span>&lt;span class="p">,&lt;/span>
&lt;/span>&lt;/span>&lt;span class="line">&lt;span class="cl"> &lt;span class="s2">&amp;#34;Docker 是容器化技術&amp;#34;&lt;/span>&lt;span class="p">,&lt;/span>
&lt;/span>&lt;/span>&lt;span class="line">&lt;span class="cl"> &lt;span class="s2">&amp;#34;Terraform 是基礎設施即程式碼工具&amp;#34;&lt;/span>
&lt;/span>&lt;/span>&lt;span class="line">&lt;span class="cl">&lt;span class="p">]&lt;/span>
&lt;/span>&lt;/span>&lt;span class="line">&lt;span class="cl">
&lt;/span>&lt;/span>&lt;span class="line">&lt;span class="cl">&lt;span class="n">embeddings&lt;/span> &lt;span class="o">=&lt;/span> &lt;span class="n">model&lt;/span>&lt;span class="o">.&lt;/span>&lt;span class="n">encode&lt;/span>&lt;span class="p">(&lt;/span>&lt;span class="n">texts&lt;/span>&lt;span class="p">)&lt;/span>&lt;span class="o">.&lt;/span>&lt;span class="n">tolist&lt;/span>&lt;span class="p">()&lt;/span>
&lt;/span>&lt;/span>&lt;span class="line">&lt;span class="cl">
&lt;/span>&lt;/span>&lt;span class="line">&lt;span class="cl">&lt;span class="c1"># 插入&lt;/span>
&lt;/span>&lt;/span>&lt;span class="line">&lt;span class="cl">&lt;span class="n">data&lt;/span> &lt;span class="o">=&lt;/span> &lt;span class="p">[&lt;/span>
&lt;/span>&lt;/span>&lt;span class="line">&lt;span class="cl"> &lt;span class="n">texts&lt;/span>&lt;span class="p">,&lt;/span>
&lt;/span>&lt;/span>&lt;span class="line">&lt;span class="cl"> &lt;span class="n">embeddings&lt;/span>
&lt;/span>&lt;/span>&lt;span class="line">&lt;span class="cl">&lt;span class="p">]&lt;/span>
&lt;/span>&lt;/span>&lt;span class="line">&lt;span class="cl">
&lt;/span>&lt;/span>&lt;span class="line">&lt;span class="cl">&lt;span class="n">collection&lt;/span>&lt;span class="o">.&lt;/span>&lt;span class="n">insert&lt;/span>&lt;span class="p">([&lt;/span>
&lt;/span>&lt;/span>&lt;span class="line">&lt;span class="cl"> &lt;span class="p">{&lt;/span>&lt;span class="s2">&amp;#34;text&amp;#34;&lt;/span>&lt;span class="p">:&lt;/span> &lt;span class="n">text&lt;/span>&lt;span class="p">,&lt;/span> &lt;span class="s2">&amp;#34;embedding&amp;#34;&lt;/span>&lt;span class="p">:&lt;/span> &lt;span class="n">emb&lt;/span>&lt;span class="p">}&lt;/span>
&lt;/span>&lt;/span>&lt;span class="line">&lt;span class="cl"> &lt;span class="k">for&lt;/span> &lt;span class="n">text&lt;/span>&lt;span class="p">,&lt;/span> &lt;span class="n">emb&lt;/span> &lt;span class="ow">in&lt;/span> &lt;span class="nb">zip&lt;/span>&lt;span class="p">(&lt;/span>&lt;span class="n">texts&lt;/span>&lt;span class="p">,&lt;/span> &lt;span class="n">embeddings&lt;/span>&lt;span class="p">)&lt;/span>
&lt;/span>&lt;/span>&lt;span class="line">&lt;span class="cl">&lt;span class="p">])&lt;/span>
&lt;/span>&lt;/span>&lt;span class="line">&lt;span class="cl">
&lt;/span>&lt;/span>&lt;span class="line">&lt;span class="cl">&lt;span class="c1"># 載入到記憶體&lt;/span>
&lt;/span>&lt;/span>&lt;span class="line">&lt;span class="cl">&lt;span class="n">collection&lt;/span>&lt;span class="o">.&lt;/span>&lt;span class="n">load&lt;/span>&lt;span class="p">()&lt;/span>
&lt;/span>&lt;/span>&lt;/code>&lt;/pre>&lt;/td>&lt;/tr>&lt;/table>
&lt;/div>
&lt;/div>&lt;h3 id="向量搜尋">向量搜尋&lt;/h3>
&lt;div class="highlight">&lt;div class="chroma">
&lt;table class="lntable">&lt;tr>&lt;td class="lntd">
&lt;pre tabindex="0" class="chroma">&lt;code>&lt;span class="lnt"> 1
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&lt;/span>&lt;/code>&lt;/pre>&lt;/td>
&lt;td class="lntd">
&lt;pre tabindex="0" class="chroma">&lt;code class="language-python" data-lang="python">&lt;span class="line">&lt;span class="cl">&lt;span class="c1"># 查詢向量&lt;/span>
&lt;/span>&lt;/span>&lt;span class="line">&lt;span class="cl">&lt;span class="n">query_text&lt;/span> &lt;span class="o">=&lt;/span> &lt;span class="s2">&amp;#34;什麼是容器技術？&amp;#34;&lt;/span>
&lt;/span>&lt;/span>&lt;span class="line">&lt;span class="cl">&lt;span class="n">query_embedding&lt;/span> &lt;span class="o">=&lt;/span> &lt;span class="n">model&lt;/span>&lt;span class="o">.&lt;/span>&lt;span class="n">encode&lt;/span>&lt;span class="p">(&lt;/span>&lt;span class="n">query_text&lt;/span>&lt;span class="p">)&lt;/span>&lt;span class="o">.&lt;/span>&lt;span class="n">tolist&lt;/span>&lt;span class="p">()&lt;/span>
&lt;/span>&lt;/span>&lt;span class="line">&lt;span class="cl">
&lt;/span>&lt;/span>&lt;span class="line">&lt;span class="cl">&lt;span class="c1"># 搜尋&lt;/span>
&lt;/span>&lt;/span>&lt;span class="line">&lt;span class="cl">&lt;span class="n">results&lt;/span> &lt;span class="o">=&lt;/span> &lt;span class="n">collection&lt;/span>&lt;span class="o">.&lt;/span>&lt;span class="n">search&lt;/span>&lt;span class="p">(&lt;/span>
&lt;/span>&lt;/span>&lt;span class="line">&lt;span class="cl"> &lt;span class="n">data&lt;/span>&lt;span class="o">=&lt;/span>&lt;span class="p">[&lt;/span>&lt;span class="n">query_embedding&lt;/span>&lt;span class="p">],&lt;/span>
&lt;/span>&lt;/span>&lt;span class="line">&lt;span class="cl"> &lt;span class="n">anns_field&lt;/span>&lt;span class="o">=&lt;/span>&lt;span class="s2">&amp;#34;embedding&amp;#34;&lt;/span>&lt;span class="p">,&lt;/span>
&lt;/span>&lt;/span>&lt;span class="line">&lt;span class="cl"> &lt;span class="n">param&lt;/span>&lt;span class="o">=&lt;/span>&lt;span class="p">{&lt;/span>&lt;span class="s2">&amp;#34;metric_type&amp;#34;&lt;/span>&lt;span class="p">:&lt;/span> &lt;span class="s2">&amp;#34;COSINE&amp;#34;&lt;/span>&lt;span class="p">,&lt;/span> &lt;span class="s2">&amp;#34;params&amp;#34;&lt;/span>&lt;span class="p">:&lt;/span> &lt;span class="p">{&lt;/span>&lt;span class="s2">&amp;#34;nprobe&amp;#34;&lt;/span>&lt;span class="p">:&lt;/span> &lt;span class="mi">10&lt;/span>&lt;span class="p">}},&lt;/span>
&lt;/span>&lt;/span>&lt;span class="line">&lt;span class="cl"> &lt;span class="n">limit&lt;/span>&lt;span class="o">=&lt;/span>&lt;span class="mi">5&lt;/span>&lt;span class="p">,&lt;/span>
&lt;/span>&lt;/span>&lt;span class="line">&lt;span class="cl"> &lt;span class="n">output_fields&lt;/span>&lt;span class="o">=&lt;/span>&lt;span class="p">[&lt;/span>&lt;span class="s2">&amp;#34;text&amp;#34;&lt;/span>&lt;span class="p">]&lt;/span>
&lt;/span>&lt;/span>&lt;span class="line">&lt;span class="cl">&lt;span class="p">)&lt;/span>
&lt;/span>&lt;/span>&lt;span class="line">&lt;span class="cl">
&lt;/span>&lt;/span>&lt;span class="line">&lt;span class="cl">&lt;span class="k">for&lt;/span> &lt;span class="n">hits&lt;/span> &lt;span class="ow">in&lt;/span> &lt;span class="n">results&lt;/span>&lt;span class="p">:&lt;/span>
&lt;/span>&lt;/span>&lt;span class="line">&lt;span class="cl"> &lt;span class="k">for&lt;/span> &lt;span class="n">hit&lt;/span> &lt;span class="ow">in&lt;/span> &lt;span class="n">hits&lt;/span>&lt;span class="p">:&lt;/span>
&lt;/span>&lt;/span>&lt;span class="line">&lt;span class="cl"> &lt;span class="nb">print&lt;/span>&lt;span class="p">(&lt;/span>&lt;span class="sa">f&lt;/span>&lt;span class="s2">&amp;#34;Score: &lt;/span>&lt;span class="si">{&lt;/span>&lt;span class="n">hit&lt;/span>&lt;span class="o">.&lt;/span>&lt;span class="n">score&lt;/span>&lt;span class="si">}&lt;/span>&lt;span class="s2">, Text: &lt;/span>&lt;span class="si">{&lt;/span>&lt;span class="n">hit&lt;/span>&lt;span class="o">.&lt;/span>&lt;span class="n">entity&lt;/span>&lt;span class="o">.&lt;/span>&lt;span class="n">get&lt;/span>&lt;span class="p">(&lt;/span>&lt;span class="s1">&amp;#39;text&amp;#39;&lt;/span>&lt;span class="p">)&lt;/span>&lt;span class="si">}&lt;/span>&lt;span class="s2">&amp;#34;&lt;/span>&lt;span class="p">)&lt;/span>
&lt;/span>&lt;/span>&lt;/code>&lt;/pre>&lt;/td>&lt;/tr>&lt;/table>
&lt;/div>
&lt;/div>&lt;h3 id="標量過濾">標量過濾&lt;/h3>
&lt;div class="highlight">&lt;div class="chroma">
&lt;table class="lntable">&lt;tr>&lt;td class="lntd">
&lt;pre tabindex="0" class="chroma">&lt;code>&lt;span class="lnt">1
&lt;/span>&lt;span class="lnt">2
&lt;/span>&lt;span class="lnt">3
&lt;/span>&lt;span class="lnt">4
&lt;/span>&lt;span class="lnt">5
&lt;/span>&lt;span class="lnt">6
&lt;/span>&lt;span class="lnt">7
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&lt;/span>&lt;span class="lnt">9
&lt;/span>&lt;/code>&lt;/pre>&lt;/td>
&lt;td class="lntd">
&lt;pre tabindex="0" class="chroma">&lt;code class="language-python" data-lang="python">&lt;span class="line">&lt;span class="cl">&lt;span class="c1"># 結合向量搜尋和過濾&lt;/span>
&lt;/span>&lt;/span>&lt;span class="line">&lt;span class="cl">&lt;span class="n">results&lt;/span> &lt;span class="o">=&lt;/span> &lt;span class="n">collection&lt;/span>&lt;span class="o">.&lt;/span>&lt;span class="n">search&lt;/span>&lt;span class="p">(&lt;/span>
&lt;/span>&lt;/span>&lt;span class="line">&lt;span class="cl"> &lt;span class="n">data&lt;/span>&lt;span class="o">=&lt;/span>&lt;span class="p">[&lt;/span>&lt;span class="n">query_embedding&lt;/span>&lt;span class="p">],&lt;/span>
&lt;/span>&lt;/span>&lt;span class="line">&lt;span class="cl"> &lt;span class="n">anns_field&lt;/span>&lt;span class="o">=&lt;/span>&lt;span class="s2">&amp;#34;embedding&amp;#34;&lt;/span>&lt;span class="p">,&lt;/span>
&lt;/span>&lt;/span>&lt;span class="line">&lt;span class="cl"> &lt;span class="n">param&lt;/span>&lt;span class="o">=&lt;/span>&lt;span class="p">{&lt;/span>&lt;span class="s2">&amp;#34;metric_type&amp;#34;&lt;/span>&lt;span class="p">:&lt;/span> &lt;span class="s2">&amp;#34;COSINE&amp;#34;&lt;/span>&lt;span class="p">},&lt;/span>
&lt;/span>&lt;/span>&lt;span class="line">&lt;span class="cl"> &lt;span class="n">limit&lt;/span>&lt;span class="o">=&lt;/span>&lt;span class="mi">5&lt;/span>&lt;span class="p">,&lt;/span>
&lt;/span>&lt;/span>&lt;span class="line">&lt;span class="cl"> &lt;span class="n">expr&lt;/span>&lt;span class="o">=&lt;/span>&lt;span class="s2">&amp;#34;category == &amp;#39;cloud&amp;#39;&amp;#34;&lt;/span>&lt;span class="p">,&lt;/span>
&lt;/span>&lt;/span>&lt;span class="line">&lt;span class="cl"> &lt;span class="n">output_fields&lt;/span>&lt;span class="o">=&lt;/span>&lt;span class="p">[&lt;/span>&lt;span class="s2">&amp;#34;text&amp;#34;&lt;/span>&lt;span class="p">,&lt;/span> &lt;span class="s2">&amp;#34;category&amp;#34;&lt;/span>&lt;span class="p">]&lt;/span>
&lt;/span>&lt;/span>&lt;span class="line">&lt;span class="cl">&lt;span class="p">)&lt;/span>
&lt;/span>&lt;/span>&lt;/code>&lt;/pre>&lt;/td>&lt;/tr>&lt;/table>
&lt;/div>
&lt;/div>&lt;h2 id="索引類型">索引類型&lt;/h2>
&lt;table>
&lt;thead>
&lt;tr>
&lt;th>索引類型&lt;/th>
&lt;th>適用場景&lt;/th>
&lt;th>特點&lt;/th>
&lt;/tr>
&lt;/thead>
&lt;tbody>
&lt;tr>
&lt;td>IVF_FLAT&lt;/td>
&lt;td>中等規模&lt;/td>
&lt;td>精確度高&lt;/td>
&lt;/tr>
&lt;tr>
&lt;td>IVF_SQ8&lt;/td>
&lt;td>大規模&lt;/td>
&lt;td>節省記憶體&lt;/td>
&lt;/tr>
&lt;tr>
&lt;td>IVF_PQ&lt;/td>
&lt;td>超大規模&lt;/td>
&lt;td>壓縮向量&lt;/td>
&lt;/tr>
&lt;tr>
&lt;td>HNSW&lt;/td>
&lt;td>低延遲&lt;/td>
&lt;td>速度快&lt;/td>
&lt;/tr>
&lt;tr>
&lt;td>ANNOY&lt;/td>
&lt;td>靜態資料&lt;/td>
&lt;td>磁碟索引&lt;/td>
&lt;/tr>
&lt;/tbody>
&lt;/table>
&lt;h3 id="hnsw-索引">HNSW 索引&lt;/h3>
&lt;div class="highlight">&lt;div class="chroma">
&lt;table class="lntable">&lt;tr>&lt;td class="lntd">
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&lt;td class="lntd">
&lt;pre tabindex="0" class="chroma">&lt;code class="language-python" data-lang="python">&lt;span class="line">&lt;span class="cl">&lt;span class="n">index_params&lt;/span> &lt;span class="o">=&lt;/span> &lt;span class="p">{&lt;/span>
&lt;/span>&lt;/span>&lt;span class="line">&lt;span class="cl"> &lt;span class="s2">&amp;#34;metric_type&amp;#34;&lt;/span>&lt;span class="p">:&lt;/span> &lt;span class="s2">&amp;#34;COSINE&amp;#34;&lt;/span>&lt;span class="p">,&lt;/span>
&lt;/span>&lt;/span>&lt;span class="line">&lt;span class="cl"> &lt;span class="s2">&amp;#34;index_type&amp;#34;&lt;/span>&lt;span class="p">:&lt;/span> &lt;span class="s2">&amp;#34;HNSW&amp;#34;&lt;/span>&lt;span class="p">,&lt;/span>
&lt;/span>&lt;/span>&lt;span class="line">&lt;span class="cl"> &lt;span class="s2">&amp;#34;params&amp;#34;&lt;/span>&lt;span class="p">:&lt;/span> &lt;span class="p">{&lt;/span>
&lt;/span>&lt;/span>&lt;span class="line">&lt;span class="cl"> &lt;span class="s2">&amp;#34;M&amp;#34;&lt;/span>&lt;span class="p">:&lt;/span> &lt;span class="mi">16&lt;/span>&lt;span class="p">,&lt;/span>
&lt;/span>&lt;/span>&lt;span class="line">&lt;span class="cl"> &lt;span class="s2">&amp;#34;efConstruction&amp;#34;&lt;/span>&lt;span class="p">:&lt;/span> &lt;span class="mi">256&lt;/span>
&lt;/span>&lt;/span>&lt;span class="line">&lt;span class="cl"> &lt;span class="p">}&lt;/span>
&lt;/span>&lt;/span>&lt;span class="line">&lt;span class="cl">&lt;span class="p">}&lt;/span>
&lt;/span>&lt;/span>&lt;span class="line">&lt;span class="cl">&lt;span class="n">collection&lt;/span>&lt;span class="o">.&lt;/span>&lt;span class="n">create_index&lt;/span>&lt;span class="p">(&lt;/span>&lt;span class="s2">&amp;#34;embedding&amp;#34;&lt;/span>&lt;span class="p">,&lt;/span> &lt;span class="n">index_params&lt;/span>&lt;span class="p">)&lt;/span>
&lt;/span>&lt;/span>&lt;/code>&lt;/pre>&lt;/td>&lt;/tr>&lt;/table>
&lt;/div>
&lt;/div>&lt;h2 id="rag-應用">RAG 應用&lt;/h2>
&lt;div class="highlight">&lt;div class="chroma">
&lt;table class="lntable">&lt;tr>&lt;td class="lntd">
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&lt;/span>&lt;/code>&lt;/pre>&lt;/td>
&lt;td class="lntd">
&lt;pre tabindex="0" class="chroma">&lt;code class="language-python" data-lang="python">&lt;span class="line">&lt;span class="cl">&lt;span class="kn">from&lt;/span> &lt;span class="nn">pymilvus&lt;/span> &lt;span class="kn">import&lt;/span> &lt;span class="n">MilvusClient&lt;/span>
&lt;/span>&lt;/span>&lt;span class="line">&lt;span class="cl">&lt;span class="kn">from&lt;/span> &lt;span class="nn">openai&lt;/span> &lt;span class="kn">import&lt;/span> &lt;span class="n">OpenAI&lt;/span>
&lt;/span>&lt;/span>&lt;span class="line">&lt;span class="cl">
&lt;/span>&lt;/span>&lt;span class="line">&lt;span class="cl">&lt;span class="c1"># 初始化客戶端&lt;/span>
&lt;/span>&lt;/span>&lt;span class="line">&lt;span class="cl">&lt;span class="n">milvus&lt;/span> &lt;span class="o">=&lt;/span> &lt;span class="n">MilvusClient&lt;/span>&lt;span class="p">(&lt;/span>&lt;span class="s2">&amp;#34;milvus.db&amp;#34;&lt;/span>&lt;span class="p">)&lt;/span>
&lt;/span>&lt;/span>&lt;span class="line">&lt;span class="cl">&lt;span class="n">openai&lt;/span> &lt;span class="o">=&lt;/span> &lt;span class="n">OpenAI&lt;/span>&lt;span class="p">()&lt;/span>
&lt;/span>&lt;/span>&lt;span class="line">&lt;span class="cl">
&lt;/span>&lt;/span>&lt;span class="line">&lt;span class="cl">&lt;span class="k">def&lt;/span> &lt;span class="nf">rag_query&lt;/span>&lt;span class="p">(&lt;/span>&lt;span class="n">question&lt;/span>&lt;span class="p">:&lt;/span> &lt;span class="nb">str&lt;/span>&lt;span class="p">)&lt;/span> &lt;span class="o">-&amp;gt;&lt;/span> &lt;span class="nb">str&lt;/span>&lt;span class="p">:&lt;/span>
&lt;/span>&lt;/span>&lt;span class="line">&lt;span class="cl"> &lt;span class="c1"># 生成 Embedding&lt;/span>
&lt;/span>&lt;/span>&lt;span class="line">&lt;span class="cl"> &lt;span class="n">response&lt;/span> &lt;span class="o">=&lt;/span> &lt;span class="n">openai&lt;/span>&lt;span class="o">.&lt;/span>&lt;span class="n">embeddings&lt;/span>&lt;span class="o">.&lt;/span>&lt;span class="n">create&lt;/span>&lt;span class="p">(&lt;/span>
&lt;/span>&lt;/span>&lt;span class="line">&lt;span class="cl"> &lt;span class="n">model&lt;/span>&lt;span class="o">=&lt;/span>&lt;span class="s2">&amp;#34;text-embedding-3-small&amp;#34;&lt;/span>&lt;span class="p">,&lt;/span>
&lt;/span>&lt;/span>&lt;span class="line">&lt;span class="cl"> &lt;span class="nb">input&lt;/span>&lt;span class="o">=&lt;/span>&lt;span class="n">question&lt;/span>
&lt;/span>&lt;/span>&lt;span class="line">&lt;span class="cl"> &lt;span class="p">)&lt;/span>
&lt;/span>&lt;/span>&lt;span class="line">&lt;span class="cl"> &lt;span class="n">query_embedding&lt;/span> &lt;span class="o">=&lt;/span> &lt;span class="n">response&lt;/span>&lt;span class="o">.&lt;/span>&lt;span class="n">data&lt;/span>&lt;span class="p">[&lt;/span>&lt;span class="mi">0&lt;/span>&lt;span class="p">]&lt;/span>&lt;span class="o">.&lt;/span>&lt;span class="n">embedding&lt;/span>
&lt;/span>&lt;/span>&lt;span class="line">&lt;span class="cl">
&lt;/span>&lt;/span>&lt;span class="line">&lt;span class="cl"> &lt;span class="c1"># 向量搜尋&lt;/span>
&lt;/span>&lt;/span>&lt;span class="line">&lt;span class="cl"> &lt;span class="n">results&lt;/span> &lt;span class="o">=&lt;/span> &lt;span class="n">milvus&lt;/span>&lt;span class="o">.&lt;/span>&lt;span class="n">search&lt;/span>&lt;span class="p">(&lt;/span>
&lt;/span>&lt;/span>&lt;span class="line">&lt;span class="cl"> &lt;span class="n">collection_name&lt;/span>&lt;span class="o">=&lt;/span>&lt;span class="s2">&amp;#34;documents&amp;#34;&lt;/span>&lt;span class="p">,&lt;/span>
&lt;/span>&lt;/span>&lt;span class="line">&lt;span class="cl"> &lt;span class="n">data&lt;/span>&lt;span class="o">=&lt;/span>&lt;span class="p">[&lt;/span>&lt;span class="n">query_embedding&lt;/span>&lt;span class="p">],&lt;/span>
&lt;/span>&lt;/span>&lt;span class="line">&lt;span class="cl"> &lt;span class="n">limit&lt;/span>&lt;span class="o">=&lt;/span>&lt;span class="mi">3&lt;/span>&lt;span class="p">,&lt;/span>
&lt;/span>&lt;/span>&lt;span class="line">&lt;span class="cl"> &lt;span class="n">output_fields&lt;/span>&lt;span class="o">=&lt;/span>&lt;span class="p">[&lt;/span>&lt;span class="s2">&amp;#34;text&amp;#34;&lt;/span>&lt;span class="p">]&lt;/span>
&lt;/span>&lt;/span>&lt;span class="line">&lt;span class="cl"> &lt;span class="p">)&lt;/span>
&lt;/span>&lt;/span>&lt;span class="line">&lt;span class="cl">
&lt;/span>&lt;/span>&lt;span class="line">&lt;span class="cl"> &lt;span class="c1"># 組合上下文&lt;/span>
&lt;/span>&lt;/span>&lt;span class="line">&lt;span class="cl"> &lt;span class="n">context&lt;/span> &lt;span class="o">=&lt;/span> &lt;span class="s2">&amp;#34;&lt;/span>&lt;span class="se">\n&lt;/span>&lt;span class="s2">&amp;#34;&lt;/span>&lt;span class="o">.&lt;/span>&lt;span class="n">join&lt;/span>&lt;span class="p">([&lt;/span>&lt;span class="n">hit&lt;/span>&lt;span class="p">[&lt;/span>&lt;span class="s2">&amp;#34;entity&amp;#34;&lt;/span>&lt;span class="p">][&lt;/span>&lt;span class="s2">&amp;#34;text&amp;#34;&lt;/span>&lt;span class="p">]&lt;/span> &lt;span class="k">for&lt;/span> &lt;span class="n">hit&lt;/span> &lt;span class="ow">in&lt;/span> &lt;span class="n">results&lt;/span>&lt;span class="p">[&lt;/span>&lt;span class="mi">0&lt;/span>&lt;span class="p">]])&lt;/span>
&lt;/span>&lt;/span>&lt;span class="line">&lt;span class="cl">
&lt;/span>&lt;/span>&lt;span class="line">&lt;span class="cl"> &lt;span class="c1"># 生成回答&lt;/span>
&lt;/span>&lt;/span>&lt;span class="line">&lt;span class="cl"> &lt;span class="n">completion&lt;/span> &lt;span class="o">=&lt;/span> &lt;span class="n">openai&lt;/span>&lt;span class="o">.&lt;/span>&lt;span class="n">chat&lt;/span>&lt;span class="o">.&lt;/span>&lt;span class="n">completions&lt;/span>&lt;span class="o">.&lt;/span>&lt;span class="n">create&lt;/span>&lt;span class="p">(&lt;/span>
&lt;/span>&lt;/span>&lt;span class="line">&lt;span class="cl"> &lt;span class="n">model&lt;/span>&lt;span class="o">=&lt;/span>&lt;span class="s2">&amp;#34;gpt-4o&amp;#34;&lt;/span>&lt;span class="p">,&lt;/span>
&lt;/span>&lt;/span>&lt;span class="line">&lt;span class="cl"> &lt;span class="n">messages&lt;/span>&lt;span class="o">=&lt;/span>&lt;span class="p">[&lt;/span>
&lt;/span>&lt;/span>&lt;span class="line">&lt;span class="cl"> &lt;span class="p">{&lt;/span>&lt;span class="s2">&amp;#34;role&amp;#34;&lt;/span>&lt;span class="p">:&lt;/span> &lt;span class="s2">&amp;#34;system&amp;#34;&lt;/span>&lt;span class="p">,&lt;/span> &lt;span class="s2">&amp;#34;content&amp;#34;&lt;/span>&lt;span class="p">:&lt;/span> &lt;span class="sa">f&lt;/span>&lt;span class="s2">&amp;#34;根據以下內容回答問題：&lt;/span>&lt;span class="se">\n&lt;/span>&lt;span class="si">{&lt;/span>&lt;span class="n">context&lt;/span>&lt;span class="si">}&lt;/span>&lt;span class="s2">&amp;#34;&lt;/span>&lt;span class="p">},&lt;/span>
&lt;/span>&lt;/span>&lt;span class="line">&lt;span class="cl"> &lt;span class="p">{&lt;/span>&lt;span class="s2">&amp;#34;role&amp;#34;&lt;/span>&lt;span class="p">:&lt;/span> &lt;span class="s2">&amp;#34;user&amp;#34;&lt;/span>&lt;span class="p">,&lt;/span> &lt;span class="s2">&amp;#34;content&amp;#34;&lt;/span>&lt;span class="p">:&lt;/span> &lt;span class="n">question&lt;/span>&lt;span class="p">}&lt;/span>
&lt;/span>&lt;/span>&lt;span class="line">&lt;span class="cl"> &lt;span class="p">]&lt;/span>
&lt;/span>&lt;/span>&lt;span class="line">&lt;span class="cl"> &lt;span class="p">)&lt;/span>
&lt;/span>&lt;/span>&lt;span class="line">&lt;span class="cl">
&lt;/span>&lt;/span>&lt;span class="line">&lt;span class="cl"> &lt;span class="k">return&lt;/span> &lt;span class="n">completion&lt;/span>&lt;span class="o">.&lt;/span>&lt;span class="n">choices&lt;/span>&lt;span class="p">[&lt;/span>&lt;span class="mi">0&lt;/span>&lt;span class="p">]&lt;/span>&lt;span class="o">.&lt;/span>&lt;span class="n">message&lt;/span>&lt;span class="o">.&lt;/span>&lt;span class="n">content&lt;/span>
&lt;/span>&lt;/span>&lt;/code>&lt;/pre>&lt;/td>&lt;/tr>&lt;/table>
&lt;/div>
&lt;/div>&lt;h2 id="langchain-整合">LangChain 整合&lt;/h2>
&lt;div class="highlight">&lt;div class="chroma">
&lt;table class="lntable">&lt;tr>&lt;td class="lntd">
&lt;pre tabindex="0" class="chroma">&lt;code>&lt;span class="lnt"> 1
&lt;/span>&lt;span class="lnt"> 2
&lt;/span>&lt;span class="lnt"> 3
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&lt;/span>&lt;span class="lnt">15
&lt;/span>&lt;/code>&lt;/pre>&lt;/td>
&lt;td class="lntd">
&lt;pre tabindex="0" class="chroma">&lt;code class="language-python" data-lang="python">&lt;span class="line">&lt;span class="cl">&lt;span class="kn">from&lt;/span> &lt;span class="nn">langchain_community.vectorstores&lt;/span> &lt;span class="kn">import&lt;/span> &lt;span class="n">Milvus&lt;/span>
&lt;/span>&lt;/span>&lt;span class="line">&lt;span class="cl">&lt;span class="kn">from&lt;/span> &lt;span class="nn">langchain_openai&lt;/span> &lt;span class="kn">import&lt;/span> &lt;span class="n">OpenAIEmbeddings&lt;/span>
&lt;/span>&lt;/span>&lt;span class="line">&lt;span class="cl">
&lt;/span>&lt;/span>&lt;span class="line">&lt;span class="cl">&lt;span class="n">embeddings&lt;/span> &lt;span class="o">=&lt;/span> &lt;span class="n">OpenAIEmbeddings&lt;/span>&lt;span class="p">()&lt;/span>
&lt;/span>&lt;/span>&lt;span class="line">&lt;span class="cl">
&lt;/span>&lt;/span>&lt;span class="line">&lt;span class="cl">&lt;span class="c1"># 建立向量儲存&lt;/span>
&lt;/span>&lt;/span>&lt;span class="line">&lt;span class="cl">&lt;span class="n">vectorstore&lt;/span> &lt;span class="o">=&lt;/span> &lt;span class="n">Milvus&lt;/span>&lt;span class="o">.&lt;/span>&lt;span class="n">from_documents&lt;/span>&lt;span class="p">(&lt;/span>
&lt;/span>&lt;/span>&lt;span class="line">&lt;span class="cl"> &lt;span class="n">documents&lt;/span>&lt;span class="p">,&lt;/span>
&lt;/span>&lt;/span>&lt;span class="line">&lt;span class="cl"> &lt;span class="n">embeddings&lt;/span>&lt;span class="p">,&lt;/span>
&lt;/span>&lt;/span>&lt;span class="line">&lt;span class="cl"> &lt;span class="n">connection_args&lt;/span>&lt;span class="o">=&lt;/span>&lt;span class="p">{&lt;/span>&lt;span class="s2">&amp;#34;host&amp;#34;&lt;/span>&lt;span class="p">:&lt;/span> &lt;span class="s2">&amp;#34;localhost&amp;#34;&lt;/span>&lt;span class="p">,&lt;/span> &lt;span class="s2">&amp;#34;port&amp;#34;&lt;/span>&lt;span class="p">:&lt;/span> &lt;span class="s2">&amp;#34;19530&amp;#34;&lt;/span>&lt;span class="p">},&lt;/span>
&lt;/span>&lt;/span>&lt;span class="line">&lt;span class="cl"> &lt;span class="n">collection_name&lt;/span>&lt;span class="o">=&lt;/span>&lt;span class="s2">&amp;#34;langchain_docs&amp;#34;&lt;/span>
&lt;/span>&lt;/span>&lt;span class="line">&lt;span class="cl">&lt;span class="p">)&lt;/span>
&lt;/span>&lt;/span>&lt;span class="line">&lt;span class="cl">
&lt;/span>&lt;/span>&lt;span class="line">&lt;span class="cl">&lt;span class="c1"># 相似度搜尋&lt;/span>
&lt;/span>&lt;/span>&lt;span class="line">&lt;span class="cl">&lt;span class="n">docs&lt;/span> &lt;span class="o">=&lt;/span> &lt;span class="n">vectorstore&lt;/span>&lt;span class="o">.&lt;/span>&lt;span class="n">similarity_search&lt;/span>&lt;span class="p">(&lt;/span>&lt;span class="s2">&amp;#34;什麼是 Kubernetes？&amp;#34;&lt;/span>&lt;span class="p">,&lt;/span> &lt;span class="n">k&lt;/span>&lt;span class="o">=&lt;/span>&lt;span class="mi">3&lt;/span>&lt;span class="p">)&lt;/span>
&lt;/span>&lt;/span>&lt;/code>&lt;/pre>&lt;/td>&lt;/tr>&lt;/table>
&lt;/div>
&lt;/div>&lt;h2 id="相關連結">相關連結&lt;/h2>
&lt;ul>
&lt;li>&lt;a class="link" href="https://github.com/milvus-io/milvus" target="_blank" rel="noopener"
>GitHub Repository&lt;/a>&lt;/li>
&lt;li>&lt;a class="link" href="https://milvus.io/docs" target="_blank" rel="noopener"
>官方文件&lt;/a>&lt;/li>
&lt;li>&lt;a class="link" href="https://github.com/zilliztech/attu" target="_blank" rel="noopener"
>Attu GUI&lt;/a>&lt;/li>
&lt;/ul>
&lt;h2 id="延伸閱讀">延伸閱讀&lt;/h2>
&lt;ul>
&lt;li>&lt;a class="link" href="https://astroicers.link/p/langchain-ai-framework/" >LangChain AI 應用開發框架&lt;/a>&lt;/li>
&lt;li>&lt;a class="link" href="https://astroicers.link/p/ollama-local-llm/" >Ollama 本地 LLM 部署&lt;/a>&lt;/li>
&lt;li>&lt;a class="link" href="https://astroicers.link/p/dify-ai-platform/" >Dify AI 應用開發平台&lt;/a>&lt;/li>
&lt;/ul></description></item></channel></rss>