{"id":265,"date":"2025-07-31T08:27:23","date_gmt":"2025-07-31T00:27:23","guid":{"rendered":"http:\/\/52.76.12.94\/?p=265"},"modified":"2026-01-31T09:03:09","modified_gmt":"2026-01-31T01:03:09","slug":"amazon-opensearch-%e5%8a%a9%e5%8a%9b%e9%ab%98%e6%95%88-rag-%e7%b3%bb%e7%bb%9f%e8%90%bd%e5%9c%b0","status":"publish","type":"post","link":"https:\/\/flycloud.io\/en\/2025\/07\/31\/amazon-opensearch-%e5%8a%a9%e5%8a%9b%e9%ab%98%e6%95%88-rag-%e7%b3%bb%e7%bb%9f%e8%90%bd%e5%9c%b0\/","title":{"rendered":"Amazon OpenSearch \u52a9\u529b\u9ad8\u6548 RAG \u7cfb\u7edf\u843d\u5730"},"content":{"rendered":"<p>\u968f\u7740\u751f\u6210\u5f0f AI \u7684\u5feb\u901f\u53d1\u5c55\uff0c\u68c0\u7d22\u589e\u5f3a\u751f\u6210\uff08Retrieval Augmented Generation\uff0cRAG\uff09\u5df2\u6210\u4e3a\u6784\u5efa\u9ad8\u8d28\u91cf AI \u5e94\u7528\u7684\u5173\u952e\u6280\u672f\u3002RAG \u901a\u8fc7\u5c06\u5927\u578b\u8bed\u8a00\u6a21\u578b\uff08LLM\uff09\u4e0e\u5916\u90e8\u77e5\u8bc6\u5e93\u76f8\u7ed3\u5408\uff0c\u6709\u6548\u89e3\u51b3\u4e86 LLM \u7684\u5e7b\u89c9\u95ee\u9898\uff0c\u63d0\u9ad8\u4e86\u56de\u7b54\u7684\u51c6\u786e\u6027\u548c\u53ef\u9760\u6027\u3002<\/p>\n\n\n\n<p>\u5728\u4f17\u591a RAG \u89e3\u51b3\u65b9\u6848\u4e2d\uff0c\u77e5\u8bc6\u5e93\u4f5c\u4e3a\u6838\u5fc3\u7ec4\u4ef6\u81f3\u5173\u91cd\u8981\u3002Amazon OpenSearch \u51ed\u501f\u5176\u5353\u8d8a\u7684\u5168\u6587\u68c0\u7d22\u80fd\u529b\u3001\u8bed\u4e49\u641c\u7d22\u652f\u6301\u548c\u9ad8\u5ea6\u53ef\u6269\u5c55\u7684\u5206\u5e03\u5f0f\u67b6\u6784\uff0c\u5df2\u6210\u4e3a\u4f01\u4e1a\u6784\u5efa\u9ad8\u6027\u80fd RAG \u77e5\u8bc6\u5e93\u7684\u9996\u9009\u6280\u672f\u5e73\u53f0\uff0c\u80fd\u591f\u6709\u6548\u5e94\u5bf9\u6d77\u91cf\u6570\u636e\u68c0\u7d22\u7684\u6311\u6218\u3002<\/p>\n\n\n\n<p>\u672c\u6587\u5c06\u6df1\u5165\u63a2\u8ba8 Amazon OpenSearch \u5728 RAG \u573a\u666f\u4e2d\u7684\u72ec\u7279\u4f18\u52bf\uff0c\u5e76\u7ed3\u5408 Amazon Bedrock \u751f\u6001\u7cfb\u7edf\uff0c\u5c55\u793a\u5982\u4f55\u6784\u5efa\u5feb\u901f\u6784\u5efa\u53ef\u6269\u5c55\u7684 RAG \u5e94\u7528\u3002\u6211\u4eec\u8fd8\u5c06\u4ecb\u7ecd Amazon OpenSearch \u7684 Serverless \u7248\u672c\u7684\u7279\u6027\uff0c\u4ee5\u53ca\u5982\u4f55\u4f7f\u7528 Serverless \u67b6\u6784\u8fdb\u4e00\u6b65\u7b80\u5316 RAG \u89e3\u51b3\u65b9\u6848\u7684\u90e8\u7f72\u548c\u7ba1\u7406\u3002<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>\ud83d\udce2\u9650\u65f6\u63d2\u64ad\uff1a\u65e0\u9700\u7ba1\u7406\u57fa\u7840\u8bbe\u65bd\uff0c\u5229\u7528\u4e9a\u9a6c\u900a\u6280\u672f\u4e0e\u751f\u6001\uff0c\u5feb\u901f\u96c6\u6210\u4e0e\u90e8\u7f72\u751f\u6210\u5f0f AI \u6a21\u578b\u80fd\u529b\u3002<\/p>\n\n\n\n<p>\u2728 \u7cbe\u5fc3\u8bbe\u8ba1\uff0c\u65e8\u5728\u5f15\u5bfc\u60a8\u6df1\u5165\u63a2\u7d22 Amazon Bedrock \u7684\u6a21\u578b\u9009\u62e9\u4e0e\u8c03\u7528\u3001\u6a21\u578b\u81ea\u52a8\u5316\u8bc4\u4f30\u4ee5\u53ca\u5b89\u5168\u56f4\u680f(Guardrail)\u7b49\u91cd\u8981\u529f\u80fd\u3002<\/p>\n\n\n\n<p>\u23e9\u5feb\u5feb\u70b9\u51fb\u8fdb\u5165\u300a<a href=\"https:\/\/xie.infoq.cn\/link?target=https%3A%2F%2Fdev.amazoncloud.cn%2Fexperience%2Fcloudlab%3Fid%3D6695e4c5e1432f239fae485f%26visitfrom%3D3P_InfoQhead_0606%26sc_medium%3Downed%26sc_campaign%3Dcloudlab%26sc_channel%3D3P_InfoQhead_0606\">\u591a\u6a21\u4e00\u7ad9\u901a \u2014\u2014 Amazon Bedrock \u4e0a\u7684\u57fa\u7840\u6a21\u578b\u521d\u4f53\u9a8c<\/a>\u300b\u5b9e\u9a8c\u6784\u5efa\u65e0\u9650, \u63a2\u7d22\u542f\u7a0b\uff01<\/p>\n<\/blockquote>\n\n\n\n<h1 class=\"wp-block-heading\">RAG \u5e38\u89c4\u6d41\u7a0b<\/h1>\n\n\n\n<p>RAG \u5de5\u4f5c\u6d41\u7a0b\u4e3b\u8981\u5305\u542b\u4e94\u4e2a\u5173\u952e\u6b65\u9aa4\uff1a<\/p>\n\n\n\n<p>1\u3001\u6570\u636e\u51c6\u5907\uff08<strong>Data Preparation<\/strong>\uff09<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u5c06\u5916\u90e8\u77e5\u8bc6\u5e93\u4e2d\u7684\u6587\u6863\u3001\u8868\u683c\u6216\u5176\u4ed6\u6570\u636e\u8fdb\u884c\u9884\u5904\u7406\uff0c\u8f6c\u6210\u9002\u5408\u6784\u5efa\u77e5\u8bc6\u5e93\u7684\u683c\u5f0f\uff0c\u5982\u6587\u672c\u3001\u7a20\u5bc6\/\u7a00\u758f\u5411\u91cf\u8868\u793a\u3002<\/li>\n\n\n\n<li>\u901a\u8fc7 ETL\uff08\u63d0\u53d6 Extract\u3001\u8f6c\u6362 Transform\u3001\u52a0\u8f7d Load\uff09\u8fc7\u7a0b\u6e05\u6d17\u548c\u6574\u7406\u6570\u636e\uff0c\u4e5f\u53ef\u80fd\u4f1a\u6d89\u53ca\u5230\u6587\u6863\u5207\u5206\uff0c\u5e76\u5bf9\u6bcf\u4e2a\u6570\u636e\u5757\u8fdb\u884c\u5904\u7406\uff08\u4f8b\u5982\u5411\u91cf\u5316\u3001\u5206\u8bcd\u3001\u7a00\u758f\u7d22\u5f15\u5316\u7b49\uff09\uff0c\u5b58\u50a8\u5230\u77e5\u8bc6\u5e93\u4e2d\uff08\u4f8b\u5982 Amazon OpenSearch\uff09\uff0c\u65b9\u4fbf\u540e\u7eed\u5feb\u901f\u68c0\u7d22<\/li>\n<\/ol>\n\n\n\n<p>2\u3001\u68c0\u7d22\uff08<strong>Retrieval<\/strong>\uff09<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u7528\u6237\u8f93\u5165\u67e5\u8be2\u540e\uff0c\u7cfb\u7edf\u5c06\u67e5\u8be2\u8fdb\u884c\u5904\u7406\uff0c\u4f8b\u5982\u67e5\u8be2\u6539\u5199\u3001\u5206\u8bcd\u3001\u8f6c\u4e3a\u5411\u91cf\u8868\u793a\u7b49<\/li>\n\n\n\n<li>\u68c0\u7d22\u5668\u4f7f\u7528\u68c0\u7d22\u7d22\u6280\u672f\uff08\u4f8b\u5982\u6587\u672c\u68c0\u7d22\u3001\u5411\u91cf\u68c0\u7d22\u7b49\uff09\u4ece\u5411\u91cf\u6570\u636e\u5e93\u4e2d\u627e\u5230\u4e0e\u67e5\u8be2\u6700\u76f8\u5173\u7684\u6587\u6863\u7247\u6bb5\u6216\u6570\u636e\u5757\u3002<\/li>\n\n\n\n<li>\u68c0\u7d22\u4e0d\u4ec5\u4f9d\u8d56\u5173\u952e\u8bcd\u5339\u914d\uff0c\u8fd8\u91c7\u7528\u8bed\u4e49\u7ea7\u522b\u7684\u5339\u914d\uff0c\u786e\u4fdd\u5bf9\u590d\u6742\u6216\u6a21\u7cca\u67e5\u8be2\u4e5f\u80fd\u627e\u5230\u51c6\u786e\u7684\u652f\u6301\u4fe1\u606f<\/li>\n<\/ol>\n\n\n\n<p>3\u3001\u589e\u5f3a\uff08<strong>Augmentation<\/strong>\uff09<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u5c06\u68c0\u7d22\u5230\u7684\u76f8\u5173\u6587\u6863\u7247\u6bb5\u4e0e\u7528\u6237\u67e5\u8be2\u7ed3\u5408\uff0c\u5f62\u6210\u589e\u5f3a\u7684\u63d0\u793a\uff08prompt\uff09\u3002<\/li>\n\n\n\n<li>\u8fd9\u4e2a\u589e\u5f3a\u7684\u63d0\u793a\u901a\u5e38\u901a\u8fc7\u6a21\u677f\u6216\u7279\u5b9a\u683c\u5f0f\u7ec4\u7ec7\uff0c\u786e\u4fdd\u751f\u6210\u6a21\u578b\u80fd\u591f\u5145\u5206\u5229\u7528\u68c0\u7d22\u4fe1\u606f\uff0c\u63d0\u4f9b\u66f4\u4e30\u5bcc\u4e14\u4e0a\u4e0b\u6587\u76f8\u5173\u7684\u8f93\u5165<\/li>\n<\/ol>\n\n\n\n<p>4\u3001\u751f\u6210\uff08<strong>Generation<\/strong>\uff09<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u751f\u6210\u6a21\u578b\uff08\u5982 Claude\u3001GPT \u7b49\u7cfb\u5217\u7684\u5927\u578b\u8bed\u8a00\u6a21\u578b\uff09\u63a5\u6536\u589e\u5f3a\u540e\u7684\u63d0\u793a\uff0c\u751f\u6210\u81ea\u7136\u8bed\u8a00\u56de\u7b54\u3002<\/li>\n\n\n\n<li>\u751f\u6210\u7684\u5185\u5bb9\u4e0d\u4ec5\u8bed\u8a00\u6d41\u7545\uff0c\u8fd8\u57fa\u4e8e\u5916\u90e8\u77e5\u8bc6\u5e93\u7684\u4fe1\u606f\uff0c\u4fdd\u8bc1\u56de\u7b54\u7684\u51c6\u786e\u6027\u548c\u6743\u5a01\u6027\u3002<\/li>\n<\/ol>\n\n\n\n<p>5\u3001\u591a\u8f6e\u4ea4\u4e92\u4e0e\u53cd\u9988\uff08\u53ef\u9009\uff09<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u5728\u5bf9\u8bdd\u7cfb\u7edf\u4e2d\uff0cRAG \u652f\u6301\u591a\u8f6e\u4ea4\u4e92\uff0c\u6bcf\u8f6e\u7684\u67e5\u8be2\u548c\u751f\u6210\u7ed3\u679c\u53ef\u4ee5\u4f5c\u4e3a\u4e0b\u4e00\u8f6e\u7684\u8f93\u5165\u3002<\/li>\n\n\n\n<li>\u7cfb\u7edf\u6839\u636e\u7528\u6237\u53cd\u9988\u4e0d\u65ad\u4f18\u5316\u68c0\u7d22\u548c\u751f\u6210\u7b56\u7565\uff0c\u63d0\u5347\u56de\u7b54\u8d28\u91cf\u548c\u7528\u6237\u4f53\u9a8c<\/li>\n<\/ol>\n\n\n\n<p>Amazon OpenSearch \u4f5c\u4e3a\u4e00\u4e2a\u529f\u80fd\u5168\u9762\u7684\u641c\u7d22\u548c\u5206\u6790\u5f15\u64ce\uff0c\u4e3a\u6784\u5efa RAG \u77e5\u8bc6\u5e93\u63d0\u4f9b\u4e86\u5168\u9762\u7684\u652f\u6301\u3002\u5b83\u4e0d\u4ec5\u652f\u6301\u4f20\u7edf\u7684\u5168\u6587\u641c\u7d22\uff0c\u8fd8\u63d0\u4f9b\u4e86\u7a20\u5bc6\u4e0e\u7a00\u758f\u5411\u91cf\u641c\u7d22\u80fd\u529b\uff0c\u4f7f\u5176\u6210\u4e3a\u6784\u5efa RAG \u5e94\u7528\u7684\u7406\u60f3\u9009\u62e9\u3002<\/p>\n\n\n\n<h1 class=\"wp-block-heading\">Amazon OpenSearch \u5728 RAG \u4e2d\u7684\u6838\u5fc3\u4f18\u52bf<\/h1>\n\n\n\n<h2 class=\"wp-block-heading\">1\u3001 \u5f3a\u5927\u7684\u5411\u91cf\u68c0\u7d22\u80fd\u529b<\/h2>\n\n\n\n<p>Amazon OpenSearch \u63d0\u4f9b\u5f3a\u5927\u7684 ANN\uff08Approximate Nearest Neighbor\uff0c\u8fd1\u4f3c\u6700\u8fd1\u90bb\uff09\u68c0\u7d22\u80fd\u529b\uff0c\u8fd9\u5f97\u76ca\u4e8e\u5176\u6df1\u5ea6\u96c6\u6210\u7684 KNN \u63d2\u4ef6\u3002\u8be5\u63d2\u4ef6\u652f\u6301\u591a\u79cd\u5148\u8fdb\u7684 ANN \u7b97\u6cd5\u5b9e\u73b0\uff0c\u5305\u62ec HNSW\uff08Hierarchical Navigable Small World\uff09\u3001IVF\uff08Inverted File\uff09\uff0c\u4ee5\u53ca Faiss\u3001NMSLIB \u548c Lucene \u7b49\u9ad8\u6548\u641c\u7d22\u5e93\u3002\u8fd9\u4e9b\u7b97\u6cd5\u548c\u5e93\u63d0\u4f9b\u4e86\u4e0d\u540c\u7684\u4f18\u5316\u8def\u5f84\uff0c\u4f7f\u5f97\u7528\u6237\u53ef\u4ee5\u6839\u636e\u5177\u4f53\u7684\u5e94\u7528\u573a\u666f\u7cbe\u7ec6\u8c03\u6574\u53c2\u6570\u914d\u7f6e\uff0c\u4ee5\u8fbe\u5230\u68c0\u7d22\u901f\u5ea6\u4e0e\u51c6\u786e\u7387\u4e4b\u95f4\u7684\u6700\u4f18\u5e73\u8861\u3002<\/p>\n\n\n\n<p>\u5229\u7528 <code>method<\/code> \u53c2\u6570\u914d\u7f6e\u9879\uff0c\u5f00\u53d1\u8005\u53ef\u4ee5\u7cbe\u786e\u6307\u5b9a\u6240\u4f7f\u7528\u7684\u7b97\u6cd5\u7c7b\u578b\uff08\u4f8b\u5982 HNSW \u6216 IVF\uff09\u3001\u5411\u91cf\u7a7a\u95f4\u5ea6\u91cf\u6807\u51c6\uff08\u5982 L2 \u8303\u6570\u3001\u5185\u79ef\u3001\u4f59\u5f26\u76f8\u4f3c\u6027\u7b49\uff09\uff0c\u4ee5\u53ca\u7279\u5b9a\u5f15\u64ce\u7684\u5177\u4f53\u53c2\u6570\u8bbe\u7f6e\u3002\u8fd9\u79cd\u7075\u6d3b\u6027\u786e\u4fdd\u4e86\u4e0d\u540c\u5e94\u7528\u573a\u666f\u4e0b\u5bf9\u6027\u80fd\u548c\u6548\u679c\u7684\u4e0d\u540c\u9700\u6c42\u90fd\u80fd\u5f97\u5230\u6ee1\u8db3\u3002\u5bf9\u4e8e\u5e0c\u671b\u6df1\u5165\u4e86\u89e3 Amazon OpenSearch \u4e2d KNN\/ANN \u529f\u80fd\u53ca\u5176\u53c2\u6570\u914d\u7f6e\u7684\u7528\u6237\uff0c\u5b98\u65b9\u6587\u6863[1]\u63d0\u4f9b\u4e86\u8be6\u5c3d\u7684\u6280\u672f\u8bf4\u660e\u548c\u6307\u5bfc\u3002<\/p>\n\n\n\n<p>\u5728\u5411\u91cf\u68c0\u7d22\u80fd\u529b\u65b9\u9762\uff0cAmazon OpenSearch \u5c55\u73b0\u51fa\u4e86\u5353\u8d8a\u7684\u6027\u80fd\u4e0e\u9ad8\u5ea6\u53ef\u6269\u5c55\u7684\u67b6\u6784\uff0c\u80fd\u591f\u9ad8\u6548\u652f\u6301\u4ece\u6570\u767e\u4e07\u5230\u6570\u5341\u4ebf\u7ea7\u522b\u751a\u81f3\u767e\u4ebf\u7ea7\u7684\u5411\u91cf\u6570\u636e\u5feb\u901f\u68c0\u7d22\u3002\u8fd9\u79cd\u7075\u6d3b\u7684\u6269\u5c55\u6027\u4f7f\u5176\u80fd\u591f\u9002\u5e94\u4ece\u5c0f\u89c4\u6a21\u5b9e\u9a8c\u5230\u5927\u89c4\u6a21\u751f\u4ea7\u73af\u5883\u7684\u5404\u79cd\u5e94\u7528\u573a\u666f\u3002\u6839\u636e Amazon \u5b98\u65b9\u53d1\u5e03\u7684\u6d4b\u8bd5\u6570\u636e[2]\uff0c\u5728\u4f7f\u7528\u884c\u4e1a\u5e7f\u6cdb\u8ba4\u53ef\u7684 BIGANN \u6570\u636e\u96c6\uff08\u5305\u542b 10 \u4ebf\u4e2a 128 \u7ef4\u5411\u91cf\uff09\u8fdb\u884c\u7684\u5b9e\u9a8c\u4e2d\uff0cOpenSearch \u5728\u4fdd\u8bc1\u53ec\u56de\u7387\u8fbe\u5230 99% \u7684\u524d\u63d0\u4e0b\uff0c\u5c55\u73b0\u51fa\u6781\u4e3a\u4f18\u5f02\u7684\u54cd\u5e94\u5ef6\u8fdf\u8868\u73b0\uff1ap50 \u5ef6\u8fdf\u4ec5\u4e3a 23.1 \u6beb\u79d2\uff0cp90 \u5ef6\u8fdf\u4e3a 27.1 \u6beb\u79d2\uff0cp99 \u5ef6\u8fdf\u4e5f\u4ec5\u4e0a\u5347\u81f3 32.2 \u6beb\u79d2\u3002<\/p>\n\n\n\n<p>\u8fd9\u6837\u7684\u4f4e\u5ef6\u8fdf\u3001\u9ad8\u53ec\u56de\u7387\u7684\u8868\u73b0\uff0c\u5145\u5206\u4f53\u73b0\u4e86 Amazon OpenSearch \u5728\u5411\u91cf\u68c0\u7d22\u9886\u57df\u7684\u5f3a\u5927\u6280\u672f\u5b9e\u529b\u3002\u65e0\u8bba\u662f\u63a8\u8350\u7cfb\u7edf\u3001\u56fe\u50cf\u68c0\u7d22\u3001\u8bed\u4e49\u641c\u7d22\uff0c\u8fd8\u662f\u5176\u4ed6\u5bf9\u5b9e\u65f6\u6027\u548c\u51c6\u786e\u5ea6\u6709\u8f83\u9ad8\u8981\u6c42\u7684 AI \u5e94\u7528\u573a\u666f\uff0cOpenSearch \u90fd\u80fd\u591f\u63d0\u4f9b\u7a33\u5b9a\u3001\u53ef\u9760\u4e14\u9ad8\u6548\u7684\u5e95\u5c42\u652f\u6491\uff0c\u8db3\u4ee5\u5e94\u5bf9\u7edd\u5927\u591a\u6570\u5bf9\u6027\u80fd\u654f\u611f\u7684\u4e1a\u52a1\u9700\u6c42\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">2\u3001\u5411\u91cf\u91cf\u5316\u6280\u672f\u964d\u4f4e\u6210\u672c<\/h2>\n\n\n\n<p>\u968f\u7740\u5411\u91cf\u6570\u636e\u89c4\u6a21\u7684\u8fc5\u901f\u589e\u957f\uff0c\u5c24\u5176\u662f\u5728\u6570\u636e\u91cf\u8fbe\u5230\u5343\u4e07\u751a\u81f3\u4ebf\u7ea7\u522b\u4ee5\u4e0a\u7684\u573a\u666f\u4e2d\uff0c\u4f20\u7edf\u57fa\u4e8e\u5185\u5b58\u7684\u8fd1\u4f3c\u6700\u8fd1\u90bb\uff08ANN\uff09\u7b97\u6cd5\uff08\u5982 HNSW\uff09\u5728\u6027\u80fd\u65b9\u9762\u9762\u4e34\u6311\u6218\uff1a\u7531\u4e8e\u6240\u6709\u5411\u91cf\u5fc5\u987b\u5e38\u9a7b\u5185\u5b58\uff0c\u7cfb\u7edf\u7684\u5185\u5b58\u6d88\u8017\u8fc5\u901f\u6500\u5347\uff0c\u5bfc\u81f4\u5411\u91cf\u68c0\u7d22\u7684\u786c\u4ef6\u6210\u672c\u548c\u6269\u5c55\u96be\u5ea6\u663e\u8457\u589e\u52a0\u3002<\/p>\n\n\n\n<p>\u4e3a\u4e86\u89e3\u51b3\u8fd9\u4e00\u95ee\u9898\uff0cAmazon OpenSearch \u5728\u5411\u91cf\u68c0\u7d22\u573a\u666f\u4e2d\u5f15\u5165\u4e86\u91cf\u5316\uff08Quantization\uff09\u6280\u672f\u3002\u901a\u8fc7\u5bf9\u9ad8\u7ef4\u6d6e\u70b9\u5411\u91cf\u8fdb\u884c\u538b\u7f29\uff0cOpenSearch \u80fd\u5728\u663e\u8457\u964d\u4f4e\u5b58\u50a8\u548c\u8ba1\u7b97\u8d44\u6e90\u6d88\u8017\u7684\u540c\u65f6\uff0c\u4fdd\u6301\u8f83\u9ad8\u7684\u68c0\u7d22\u51c6\u786e\u7387\u548c\u54cd\u5e94\u901f\u5ea6\u3002<\/p>\n\n\n\n<p>\u5176\u4e2d\uff0cBinary Quantization\uff08BQ\uff0c\u4e8c\u8fdb\u5236\u91cf\u5316\uff09 \u662f OpenSearch \u63d0\u4f9b\u7684\u4e00\u79cd\u9ad8\u6548\u5411\u91cf\u538b\u7f29\u65b9\u6848\uff0c\u7279\u522b\u9002\u7528\u4e8e\u5982 LLM Agent Memory \u6784\u5efa\u3001\u8bed\u4e49\u641c\u7d22\u3001\u63a8\u8350\u7cfb\u7edf\u7b49\u5927\u89c4\u6a21\u5411\u91cf\u68c0\u7d22\u5e94\u7528\u3002BQ \u6280\u672f\u5c06\u539f\u59cb\u7684\u9ad8\u7ef4\u6d6e\u70b9\u5411\u91cf\u538b\u7f29\u4e3a\u4f4e\u4f4d\u4e8c\u8fdb\u5236\u8868\u793a\uff0c\u652f\u6301\u5c06\u6bcf\u4e2a\u5411\u91cf\u7ef4\u5ea6\u7f16\u7801\u4e3a 1\u30012 \u6216 4 \u4f4d\uff0c\u5206\u522b\u5bf9\u5e94\u7ea6 32 \u500d\u300116 \u500d\u548c 8 \u500d\u7684\u538b\u7f29\u7387\uff0c\u4ece\u800c\u5927\u5e45\u5ea6\u964d\u4f4e\u5185\u5b58\u5360\u7528\u3002\u6b64\u5916\uff0cBQ \u5728 OpenSearch \u4e2d\u7684\u8bad\u7ec3\u4e0e\u7d22\u5f15\u6784\u5efa\u8fc7\u7a0b\u662f\u81ea\u52a8\u5b8c\u6210\u7684\uff0c\u7528\u6237\u65e0\u9700\u5355\u72ec\u8fdb\u884c\u9884\u5904\u7406\u6216\u6a21\u578b\u8bad\u7ec3\uff0c\u8fd9\u5927\u5927\u7b80\u5316\u4e86\u5411\u91cf\u68c0\u7d22\u7cfb\u7edf\u7684\u5f00\u53d1\u548c\u8fd0\u7ef4\u6d41\u7a0b\u3002\u5c3d\u7ba1\u91cf\u5316\u538b\u7f29\u672c\u8d28\u4e0a\u4f1a\u5e26\u6765\u4e00\u5b9a\u7684\u7cbe\u5ea6\u635f\u5931\uff0c\u4f46 OpenSearch \u5728\u5b9e\u73b0 BQ \u529f\u80fd\u65f6\uff0c\u63d0\u4f9b\u4e86\u7075\u6d3b\u7684\u53c2\u6570\u914d\u7f6e\uff0c\u4f7f\u7528\u6237\u53ef\u4ee5\u5728\u53ec\u56de\u7387\u3001\u51c6\u786e\u7387\u4e0e\u7cfb\u7edf\u6210\u672c\u4e4b\u95f4\u8fdb\u884c\u6709\u6548\u6743\u8861\u3002\u5728\u5b9e\u9645\u751f\u4ea7\u73af\u5883\u4e2d\uff0cOpenSearch \u80fd\u591f\u5728\u8d44\u6e90\u5229\u7528\u7387\u4e0e\u68c0\u7d22\u6548\u679c\u4e4b\u95f4\u5b9e\u73b0\u5e73\u8861\uff0c\u6ee1\u8db3\u5404\u7c7b\u4f01\u4e1a\u7ea7\u5e94\u7528\u7684\u6027\u80fd\u9700\u6c42\u3002<\/p>\n\n\n\n<p>\u5728\u8fc7\u53bb\u67d0\u5ba2\u6237\u6d4b\u8bd5\u6848\u4f8b\u4e2d\uff0c\u9762\u5bf9\u4ebf\u7ea7\u89c4\u6a21\u5411\u91cf\u6570\u636e\u96c6\uff0cOpenSearch \u91c7\u7528 HNSW \u7b97\u6cd5\u7ed3\u5408 Binary Quantization \u6280\u672f\uff0c\u5728\u4fdd\u6301 1500 QPS \u9ad8\u5e76\u53d1\u7684\u540c\u65f6\uff0cP50\u3001P90\u3001P99 \u5747\u5728\u767e\u6beb\u79d2\u5185\u3002\u4e0e\u672a\u4f7f\u7528\u91cf\u5316\u7684\u7cfb\u7edf\u76f8\u6bd4\uff0c\u6574\u4f53\u6210\u672c\u964d\u4f4e\u7ea6 50%\uff0c\u8fd9\u5145\u5206\u8bc1\u660e\u4e86 BQ \u6280\u672f\u5728\u9ad8\u6027\u80fd\u3001\u4f4e\u6210\u672c\u5411\u91cf\u68c0\u7d22\u4e2d\u7684\u5b9e\u7528\u4ef7\u503c\u3002<\/p>\n\n\n\n<p>\u5728\u5e94\u7528 BQ \u91cf\u5316\u65f6\uff0c\u6709\u5982\u4e0b\u7ecf\u9a8c\u53ef\u4ee5\u5206\u4eab\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>shard \u6570\u91cf\u5e76\u4e0d\u662f\u8d8a\u591a\u8d8a\u597d\uff0c\u57fa\u4e8e\u603b\u4f53\u6570\u636e\u91cf\uff0c\u9884\u4f30\u6bcf\u4e2a shard \u6570\u636e\u91cf\uff0c30GB \u5de6\u53f3\u662f\u4e00\u4e2a\u6bd4\u8f83\u5408\u9002\u7684\u503c<\/li>\n\n\n\n<li>\u9996\u6279\u6570\u636e\u5199\u5165\u540e\uff0c\u505a force merge\uff0c\u63d0\u5347\u540e\u7eed\u7684\u68c0\u7d22\u6548\u679c<\/li>\n\n\n\n<li>\u4f7f\u7528\u6700\u65b0\u7248\u672c\u7684 7g \u5b9e\u4f8b\u7cfb\u5217\uff08\u4f8b\u5982 c7g\uff09<\/li>\n\n\n\n<li>\u5728\u9700\u8981\u9ad8 QPS \u7684\u60c5\u51b5\u4e0b\uff0c\u4f7f\u7528 C \u7cfb\u5217\u673a\u5668<\/li>\n<\/ol>\n\n\n\n<h2 class=\"wp-block-heading\">3\u3001 \u6df7\u5408\u641c\u7d22\uff1a\u7ed3\u5408\u8bed\u4e49\u548c\u5173\u952e\u8bcd\u641c\u7d22<\/h2>\n\n\n\n<p>\u5728 RAG \u573a\u666f\u4e0b\uff0c\u6df7\u5408\u68c0\u7d22 + \u91cd\u6392\u5e8f\u7684\u6d41\u7a0b\u5df2\u7ecf\u51e0\u4e4e\u662f\u4e00\u4e2a\u4e1a\u5185\u6807\u51c6\uff0c\u7528\u6765\u63d0\u5347\u77e5\u8bc6\u53ec\u56de\u6548\u679c\u3002\u6df7\u5408\u68c0\u7d22\u7ed3\u5408\u4e86\u5173\u952e\u8bcd\u641c\u7d22\uff08\u5982 BM25\uff09\u548c\u8bed\u4e49\u641c\u7d22\uff08\u5982\u5411\u91cf\u68c0\u7d22\uff09\u7684\u4f18\u70b9\uff0c\u5f25\u8865\u4e86\u5404\u81ea\u7684\u4e0d\u8db3\uff0c\u4ece\u800c\u63d0\u9ad8\u4e86\u68c0\u7d22\u7684\u51c6\u786e\u6027\u548c\u6548\u7387\u3002\u5173\u952e\u8bcd\u641c\u7d22\u5728\u7cbe\u786e\u5339\u914d\u65b9\u9762\u8868\u73b0\u51fa\u8272\uff0c\u9002\u7528\u4e8e\u7279\u5b9a\u672f\u8bed\u7684\u68c0\u7d22\uff1b\u800c\u8bed\u4e49\u641c\u7d22\u57fa\u4e8e\u6570\u636e\u8bed\u4e49\u8fdb\u884c\u641c\u7d22\uff0c\u5bf9\u62fc\u5199\u9519\u8bef\u548c\u540c\u4e49\u8bcd\u5177\u6709\u4e00\u5b9a\u7684\u9c81\u68d2\u6027\uff0c\u80fd\u591f\u6355\u6349\u5230\u66f4\u5e7f\u6cdb\u7684\u4e0a\u4e0b\u6587\u4fe1\u606f\u3002\u901a\u8fc7\u5c06\u8fd9\u4e24\u79cd\u641c\u7d22\u65b9\u5f0f\u878d\u5408\uff0c\u53ef\u4ee5\u663e\u8457\u63d0\u5347\u68c0\u7d22\u7ed3\u679c\u7684\u76f8\u5173\u6027\u548c\u591a\u6837\u6027\u3002<\/p>\n\n\n\n<p>\u5728\u6df7\u5408\u68c0\u7d22\u5f97\u5230\u591a\u4e2a\u76f8\u5173\u7ed3\u679c\u540e\uff0c\u5982\u4f55\u4ece\u4e2d\u9009\u62e9\u6700\u76f8\u5173\u3001\u6700\u6709\u4ef7\u503c\u7684\u4fe1\u606f\u8fdb\u884c\u751f\u6210\uff0c\u662f\u53e6\u4e00\u4e2a\u9700\u8981\u89e3\u51b3\u7684\u95ee\u9898\u3002\u8fd9\u65f6\uff0c\u91cd\u6392\u5e8f\u6a21\u578b\uff08Rerank \u6a21\u578b\uff09\u5c31\u53d1\u6325\u4e86\u91cd\u8981\u4f5c\u7528\u3002\u91cd\u6392\u5e8f\u6a21\u578b\u901a\u8fc7\u5bf9\u4e0d\u540c\u68c0\u7d22\u6a21\u578b\u8fd4\u56de\u7684\u6587\u6863\u7247\u6bb5\u5217\u8868\u548c\u7528\u6237\u95ee\u9898\u8bed\u4e49\u5339\u914d\u5ea6\u8fdb\u884c\u91cd\u65b0\u6392\u5e8f\uff0c\u6539\u8fdb\u68c0\u7d22\u8fd4\u56de\u7684\u7ed3\u679c\u3002\u5b83\u8ba1\u7b97\u7528\u6237\u95ee\u9898\u4e0e\u68c0\u7d22\u53ec\u56de\u7684\u6bcf\u4e00\u4e2a\u5019\u9009\u6587\u6863\u4e4b\u95f4\u7684\u76f8\u5173\u6027\u5206\u6570\uff0c\u5e76\u8fd4\u56de\u6309\u7167\u76f8\u5173\u6027\u6392\u5e8f\u7684\u6587\u6863\u5217\u8868\u3002\u8fd9\u6837\uff0c\u6a21\u578b\u5728\u751f\u6210\u8fc7\u7a0b\u4e2d\u5c31\u53ef\u4ee5\u4f18\u5148\u9009\u62e9\u9ad8\u8d28\u91cf\u7684\u4fe1\u606f\uff0c\u4ece\u800c\u63d0\u9ad8\u751f\u6210\u7ed3\u679c\u7684\u51c6\u786e\u6027\u548c\u53ef\u9760\u6027\u3002\u5e38\u89c1\u7684\u91cd\u6392\u5e8f\u6a21\u578b\u5305\u62ec Cohere Rerank\u3001BGE-Reranker \u7b49\u3002\u8fd9\u4e9b\u6a21\u578b\u53ef\u4ee5\u5728\u5355\u8def\u6216\u591a\u8def\u7684\u53ec\u56de\u7ed3\u679c\u4e2d\u6311\u9009\u51fa\u548c\u95ee\u9898\u6700\u63a5\u8fd1\u7684\u6587\u6863\uff0c\u8fdb\u4e00\u6b65\u63d0\u5347\u751f\u6210\u7b54\u6848\u7684\u7cbe\u786e\u5ea6\u3002<\/p>\n\n\n\n<p>\u5728\u6784\u5efa\u6df7\u5408\u641c\u7d22\uff08\u5982\u5411\u91cf\u68c0\u7d22 + \u5173\u952e\u8bcd\u68c0\u7d22\uff09\u7cfb\u7edf\u65f6\uff0c\u901a\u5e38\u9700\u8981\u89e3\u51b3\u4ee5\u4e0b\u4e24\u4e2a\u5173\u952e\u95ee\u9898\uff1a<\/p>\n\n\n\n<p>\u67e5\u8be2\u5411\u91cf\u5316\u5904\u7406\u590d\u6742\uff1a\u7528\u6237\u8f93\u5165\u901a\u5e38\u4e3a\u81ea\u7136\u8bed\u8a00\u6587\u672c\uff0c\u8fd9\u5c31\u8981\u6c42\u7cfb\u7edf\u65e2\u8981\u5bf9\u6587\u672c\u8fdb\u884c\u5206\u8bcd\u5904\u7406\u4ee5\u652f\u6301\u5173\u952e\u8bcd\u68c0\u7d22\uff0c\u53c8\u8981\u901a\u8fc7\u5d4c\u5165\u6a21\u578b\u5c06\u5176\u5411\u91cf\u5316\u4ee5\u652f\u6301\u8bed\u4e49\u68c0\u7d22\u3002\u8fd9\u4e00\u8fc7\u7a0b\u6d89\u53ca\u6a21\u578b\u52a0\u8f7d\u4e0e\u63a8\u7406\uff0c\u589e\u52a0\u4e86\u7cfb\u7edf\u7684\u5904\u7406\u590d\u6742\u5ea6\u3002\u76f8\u5173\u6027\u5206\u6570\u5c3a\u5ea6\u4e0d\u4e00\u81f4\uff1a\u5173\u952e\u8bcd\u68c0\u7d22\uff08\u5982 BM25\uff09\u548c\u8bed\u4e49\u68c0\u7d22\uff08\u5982\u5411\u91cf\u5339\u914d\uff09\u8fd4\u56de\u7684\u76f8\u5173\u6027\u5206\u6570\u5904\u4e8e\u4e0d\u540c\u7684\u8bc4\u5206\u4f53\u7cfb\u4e2d\uff0c\u76f4\u63a5\u878d\u5408\u53ef\u80fd\u5bfc\u81f4\u8bc4\u5206\u5931\u8861\u3002\u56e0\u6b64\uff0c\u5fc5\u987b\u5bf9\u5b83\u4eec\u8fdb\u884c\u6807\u51c6\u5316\u5904\u7406\uff0c\u5c06\u7ed3\u679c\u7edf\u4e00\u5230\u53ef\u6bd4\u8f83\u7684\u8bc4\u5206\u5c3a\u5ea6\u3002Amazon OpenSearch \u7684\u4e00\u5927\u4f18\u52bf\u5728\u4e8e\uff0c\u5176\u539f\u751f\u652f\u6301\u6df7\u5408\u68c0\u7d22\uff0c\u80fd\u591f\u8f7b\u677e\u96c6\u6210\u8bed\u4e49\u641c\u7d22\u4e0e\u5173\u952e\u8bcd\u641c\u7d22\u3002\u5b83\u4e0d\u4ec5\u652f\u6301\u7075\u6d3b\u5bf9\u63a5\u5916\u90e8\u5d4c\u5165\u6a21\u578b\uff0c\u8fd8\u63d0\u4f9b\u4e86\u5185\u7f6e\u673a\u5236\uff08\u5982\u641c\u7d22\u7ba1\u9053\u548c\u6807\u51c6\u5316\u5904\u7406\u5668\uff09\u7528\u4e8e\u8c03\u6574\u4e0d\u540c\u68c0\u7d22\u901a\u8def\u7684\u6743\u91cd\u548c\u76f8\u5173\u6027\u5206\u6570\u7684\u7edf\u4e00\uff0c\u5927\u5e45\u7b80\u5316\u4e86\u6df7\u5408\u641c\u7d22\u7cfb\u7edf\u7684\u6784\u5efa\u4e0e\u4f18\u5316\u8fc7\u7a0b\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">3.1. \u96c6\u6210\u5d4c\u5165\u6a21\u578b<\/h3>\n\n\n\n<p>\u5728\u5411\u91cf\u6570\u636e\u5e93\u4e2d\uff0c\u65e0\u8bba\u662f\u6587\u672c\u7684\u5199\u5165\u8fd8\u662f\u68c0\u7d22\uff0c\u90fd\u9700\u8981\u5148\u5c06\u6587\u672c\u8f6c\u6362\u4e3a\u5bf9\u5e94\u7684\u5411\u91cf\u8868\u793a\u3002\u56e0\u6b64\uff0c\u5411\u91cf\u5316\u6a21\u578b\u7684\u90e8\u7f72\u662f\u5b9e\u73b0\u8bed\u4e49\u68c0\u7d22\u7684\u5173\u952e\u6b65\u9aa4\u3002\u5728\u4e9a\u9a6c\u900a\u4e91\u5e73\u53f0\u4e0a\uff0c\u4e3b\u8981\u6709\u4e24\u79cd\u65b9\u5f0f\u53ef\u4ee5\u5b9e\u73b0\u5411\u91cf\u5316\u6a21\u578b\u7684\u96c6\u6210\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u4f7f\u7528 <strong>Amazon Bedrock<\/strong> \u63d0\u4f9b\u7684\u5185\u7f6e\u5411\u91cf\u5316\u6a21\u578b\uff1aAmazon Bedrock \u652f\u6301\u591a\u79cd\u4e3b\u6d41\u7684\u5411\u91cf\u5316\u6a21\u578b\uff0c\u4f8b\u5982 Cohere \u548c Amazon Titan\uff08\u7a20\u5bc6\u5411\u91cf\u6a21\u578b\uff09\u3002\u901a\u8fc7\u76f4\u63a5\u8c03\u7528 Bedrock \u63d0\u4f9b\u7684 API\uff0c\u5373\u53ef\u5b9e\u73b0\u6587\u672c\u7684\u5411\u91cf\u5316\u5904\u7406\uff0c\u65e0\u9700\u81ea\u884c\u90e8\u7f72\u6a21\u578b\u3002<\/li>\n\n\n\n<li>\u901a\u8fc7 <strong>Amazon SageMaker<\/strong> \u90e8\u7f72\u81ea\u5b9a\u4e49\u5411\u91cf\u5316\u6a21\u578b\uff1a\u652f\u6301\u5c06\u5982 bge-m3 \u7b49\u5f00\u6e90\u5d4c\u5165\u6a21\u578b\u90e8\u7f72\u5230 SageMaker \u5e73\u53f0\uff0c\u90e8\u7f72\u540e\u5373\u53ef\u901a\u8fc7 SageMaker Endpoint \u5b9e\u73b0\u6a21\u578b\u7684\u8c03\u7528\u548c\u63a8\u7406\uff0c\u9002\u7528\u4e8e\u9700\u8981\u5b9a\u5236\u6216\u4f18\u5316\u6a21\u578b\u7684\u573a\u666f\u3002<\/li>\n<\/ol>\n\n\n\n<p>\u5bf9\u4e8e\u4e0a\u8ff0\u4e24\u79cd\u65b9\u5f0f\uff0cAmazon OpenSearch \u90fd\u63d0\u4f9b\u4e86\u7edf\u4e00\u7684\u5bf9\u63a5\u80fd\u529b\uff1a\u53ef\u4ee5\u5c06\u8fd9\u4e24\u7c7b\u6a21\u578b\u7684\u63a8\u7406\u670d\u52a1\u62bd\u8c61\u4e3a\u4e00\u4e2a\u201c\u8fde\u63a5\u5668\u201d\uff08Connector\uff09\u8fdb\u884c\u8c03\u7528\u3002\u5728 OpenSearch \u4e2d\uff0c\u901a\u8fc7\u8fde\u63a5\u5668\u53ef\u4ee5\u76f4\u63a5\u8c03\u7528\u6a21\u578b\u8fdb\u884c\u6587\u672c\u5d4c\u5165\u63a8\u7406\uff0c\u5e76\u7ed3\u5408\u5de5\u4f5c\u6d41\u81ea\u52a8\u5316\u673a\u5236\uff0c\u5c06\u63a8\u7406\u7ed3\u679c\u5199\u5165\u7d22\u5f15\u6216\u7528\u4e8e\u5b9e\u65f6\u7684\u5411\u91cf\u68c0\u7d22\uff0c\u4ece\u800c\u5b9e\u73b0\u7aef\u5230\u7aef\u7684\u8bed\u4e49\u7d22\u5f15\u6d41\u7a0b\u3002<\/p>\n\n\n\n<p>\u6574\u4e2a\u914d\u7f6e\u8fc7\u7a0b\u652f\u6301\u56fe\u5f62\u5316\u64cd\u4f5c\uff0c\u90e8\u7f72\u7b80\u5355\u3001\u6d41\u7a0b\u6e05\u6670\u3002\u5177\u4f53\u7684\u914d\u7f6e\u6b65\u9aa4\u548c\u4f7f\u7528\u793a\u4f8b\uff0c\u53ef\u53c2\u8003\u6587\u6863 [4]\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">3.2. hybrid \u68c0\u7d22<\/h3>\n\n\n\n<p>\u5728 Amazon OpenSearch \u4e2d\uff0c\u5b9e\u73b0\u6df7\u5408\u68c0\u7d22\uff08\u4f8b\u5982\u5c06\u5173\u952e\u8bcd\u68c0\u7d22\u4e0e\u5411\u91cf\u68c0\u7d22\u76f8\u7ed3\u5408\uff09\u975e\u5e38\u7b80\u4fbf\uff0c\u53ef\u4ee5\u901a\u8fc7\u914d\u7f6e OpenSearch \u7684\u81ea\u52a8\u5316\u641c\u7d22\u5de5\u4f5c\u6d41\u6765\u5b8c\u6210\u3002\u5176\u4e2d\uff0c\u7b2c\u4e00\u6b65\u901a\u5e38\u662f\u914d\u7f6e\u4e00\u4e2a\u5305\u542b\u5f52\u4e00\u5316\u5904\u7406\u5668\uff08Normalization Processor\uff09\u7684\u641c\u7d22\u7ba1\u9053\uff08Search Pipeline\uff09\uff0c\u5176\u4e3b\u8981\u76ee\u7684\u662f\u5bf9\u6765\u81ea\u4e0d\u540c\u68c0\u7d22\u901a\u8def\uff08\u5982 BM25 \u548c\u5411\u91cf\u641c\u7d22\uff09\u7684\u76f8\u5173\u6027\u5206\u6570\u8fdb\u884c\u6807\u51c6\u5316\u5904\u7406\u3002<\/p>\n\n\n\n<p>\u7531\u4e8e\u5173\u952e\u8bcd\u641c\u7d22\u4e0e\u8bed\u4e49\u641c\u7d22\u8fd4\u56de\u7684\u5206\u503c\u901a\u5e38\u5904\u4e8e\u4e0d\u540c\u7684\u5c3a\u5ea6\uff0c\u82e5\u4e0d\u8fdb\u884c\u5f52\u4e00\u5316\u5904\u7406\uff0c\u878d\u5408\u540e\u7684\u6392\u5e8f\u53ef\u80fd\u4f1a\u4e25\u91cd\u504f\u5411\u67d0\u4e00\u8def\u7ed3\u679c\u3002\u901a\u8fc7\u5f52\u4e00\u5316\u5904\u7406\u5668\uff0c\u53ef\u4ee5\u5c06\u591a\u8def\u67e5\u8be2\u7ed3\u679c\u7684\u5206\u6570\u6620\u5c04\u5230\u7edf\u4e00\u7684\u6570\u503c\u8303\u56f4\uff08\u5982 [0, 1]\uff09\uff0c\u4ece\u800c\u786e\u4fdd\u540e\u7eed\u7684\u7ed3\u679c\u878d\u5408\u66f4\u52a0\u5408\u7406\u548c\u53ef\u63a7\u3002<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\"><code>PUT \/_search\/pipeline\/nlp-search-pipeline<\/code><code>{<\/code><code>  \"description\": \"Post processor for hybrid search\",<\/code><code>  \"phase_results_processors\": [<\/code><code>    {<\/code><code>      \"normalization-processor\": {<\/code><code>        \"normalization\": {<\/code><code>          \"technique\": \"min_max\"<\/code><code>        },<\/code><code>        \"combination\": {<\/code><code>          \"technique\": \"arithmetic_mean\",<\/code><code>          \"parameters\": {<\/code><code>            \"weights\": [<\/code><code>              0.3,<\/code><code>              0.7<\/code><code>            ]<\/code><code>          }<\/code><code>        }<\/code><code>      }<\/code><code>    }<\/code><code>  ]<\/code><code>}<\/code><\/pre>\n\n\n\n<ul class=\"wp-block-list\">\n<li>normalization.technique\uff1a\u53ef\u9009\u503c\u5305\u62ec min-max\u3001l2 \u7528\u4e8e\u6807\u51c6\u5316\u5206\u6570\u3002<\/li>\n\n\n\n<li>combination.technique\uff1a\u53ef\u9009\u503c\u5305\u62ec arithmetic_mean\u3001geometric_mean\u3001harmonic_mean \u7b49\uff0c\u7528\u4e8e\u7ec4\u5408\u5206\u6570\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u60a8\u8fd8\u53ef\u4ee5\u4e3a\u6bcf\u4e2a\u67e5\u8be2\u5b50\u53e5\u8bbe\u7f6e\u6743\u91cd\uff0c\u4ee5\u8c03\u6574\u5176\u5bf9\u6700\u7ec8\u8bc4\u5206\u7684\u5f71\u54cd\u3002\u5728\u914d\u7f6e\u597d\u6a21\u578b\u8fde\u63a5\u5668\u548c\u641c\u7d22\u7ba1\u9053\u540e\uff0c\u5373\u53ef\u76f4\u63a5\u8fd0\u884c\u6df7\u5408\u68c0\u7d22\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\"><code>GET \/my-nlp-index\/_search?search_pipeline=nlp-search-pipeline<\/code><code>{<\/code><code>  \"_source\": {<\/code><code>    \"exclude\": [<\/code><code>      \"passage_embedding\"<\/code><code>    ]<\/code><code>  },<\/code><code>  \"query\": {<\/code><code>    \"hybrid\": {<\/code><code>      \"queries\": [<\/code><code>        {<\/code><code>          \"match\": {<\/code><code>            \"passage_text\": {<\/code><code>              \"query\": \"Hi world\"<\/code><code>            }<\/code><code>          }<\/code><code>        },<\/code><code>        {<\/code><code>          \"neural\": {<\/code><code>            \"passage_embedding\": {<\/code><code>              \"query_text\": \"Hi world\",<\/code><code>              \"model_id\": \"aVeif4oB5Vm0Tdw8zYO2\",<\/code><code>              \"k\": 5<\/code><code>            }<\/code><code>          }<\/code><code>        }<\/code><code>      ]<\/code><code>    }<\/code><code>  }<\/code><code>}<\/code><\/pre>\n\n\n\n<p>\u53ef\u4ee5\u770b\u5230\uff0c\u5e94\u7528\u4fa7\u53ea\u9700\u83b7\u53d6\u7528\u6237\u7684\u6587\u672c\u8f93\u5165\uff0c\u540e\u7eed\u7684\u5173\u952e\u8bcd\u68c0\u7d22\u4e0e\u8bed\u4e49\u68c0\u7d22\u5373\u53ef\u5728 Amazon OpenSearch \u5185\u90e8\u81ea\u52a8\u5b8c\u6210\u3002\u6574\u4e2a\u8fc7\u7a0b\u65e0\u9700\u989d\u5916\u5f00\u53d1\u590d\u6742\u7684\u68c0\u7d22\u903b\u8f91\uff0c\u5927\u5e45\u964d\u4f4e\u4e86\u6df7\u5408\u68c0\u7d22\u7684\u5b9e\u65bd\u6210\u672c\u4e0e\u6280\u672f\u95e8\u69db\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">4\u3001\u4e30\u5bcc\u7684\u8fc7\u6ee4\u80fd\u529b<\/h2>\n\n\n\n<p>\u5728\u57fa\u4e8e RAG \u7684\u5e94\u7528\u4e2d\uff0c\u5177\u5907\u57fa\u4e8e\u5143\u6570\u636e\u8fdb\u884c\u8fc7\u6ee4\u4e0e\u805a\u5408\u7684\u80fd\u529b\u81f3\u5173\u91cd\u8981\u3002\u901a\u8fc7\u5143\u6570\u636e\u8fc7\u6ee4\uff0c\u53ef\u4ee5\u5728\u5411\u91cf\u641c\u7d22\u524d\u663e\u8457\u7f29\u5c0f\u641c\u7d22\u7a7a\u95f4\uff0c\u6392\u9664\u4e0e\u7528\u6237\u67e5\u8be2\u610f\u56fe\u65e0\u5173\u7684\u5185\u5bb9\uff0c\u4ece\u800c\u63d0\u5347\u751f\u6210\u7ed3\u679c\u7684\u7cbe\u5ea6\u548c\u76f8\u5173\u6027\u3002<\/p>\n\n\n\n<p>\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\uff0c\u7ed3\u5408\u5143\u6570\u636e\u7684\u68c0\u7d22\u662f\u975e\u5e38\u5e38\u89c1\u7684\u9700\u6c42\u3002\u4f8b\u5982\uff0c\u5728\u4e00\u4e2a\u591a\u7528\u6237\u5171\u4eab\u7684\u77e5\u8bc6\u5e93\u7cfb\u7edf\u4e2d\uff0c\u4e0d\u540c\u7528\u6237\u53ea\u80fd\u8bbf\u95ee\u548c\u67e5\u8be2\u5404\u81ea\u4e0a\u4f20\u6216\u88ab\u6388\u6743\u7684\u6570\u636e\u5185\u5bb9\uff0c\u8fd9\u5c31\u9700\u8981\u57fa\u4e8e\u201c\u7528\u6237 ID\u201d\u6216\u201c\u7ec4\u7ec7\u6807\u8bc6\u201d\u7b49\u5143\u6570\u636e\u5b57\u6bb5\u8fdb\u884c\u8fc7\u6ee4\uff0c\u786e\u4fdd\u4e0d\u540c\u7528\u6237\u6839\u636e\u5176\u6743\u9650\u4ec5\u8bbf\u95ee\u5176\u6709\u6743\u67e5\u770b\u7684\u6570\u636e\uff0c\u6ee1\u8db3\u4f01\u4e1a\u5728\u6570\u636e\u5b89\u5168\u548c\u5408\u89c4\u6027\u65b9\u9762\u7684\u8981\u6c42\u3002\u540c\u6837\uff0c\u5728\u67d0\u4e9b\u7279\u5b9a\u7684\u77e5\u8bc6\u95ee\u7b54\u6216\u95ee\u8bca\u7c7b\u573a\u666f\u4e2d\uff0c\u4ec5\u9700\u8981\u68c0\u7d22\u4e0e\u67d0\u4e2a\u4e13\u4e1a\u9886\u57df\u76f8\u5173\u7684\u6587\u6863\uff0c\u6b64\u65f6\u57fa\u4e8e\u9886\u57df\u6807\u7b7e\u3001\u6587\u6863\u6765\u6e90\u7b49\u5143\u6570\u636e\u8fdb\u884c\u9884\u8fc7\u6ee4\uff0c\u53ef\u4ee5\u5927\u5e45\u51cf\u5c11\u65e0\u6548\u6570\u636e\u7684\u5e72\u6270\u3002<\/p>\n\n\n\n<p>\u5728\u8fc7\u6ee4\u7ef4\u5ea6\u65b9\u9762\uff0c\u5143\u6570\u636e\u8fc7\u6ee4\u53ef\u4ee5\u5e94\u7528\u4e8e\u591a\u4e2a\u5e38\u89c1\u7ef4\u5ea6\u3002\u65f6\u95f4\u8fc7\u6ee4\u5141\u8bb8\u7cfb\u7edf\u4ec5\u5728\u67d0\u4e2a\u65f6\u95f4\u533a\u95f4\u5185\u8fdb\u884c\u6587\u6863\u641c\u7d22\uff0c\u6bd4\u5982\u53ea\u68c0\u7d22\u201c2023 \u5e74\u7b2c\u4e00\u5b63\u5ea6\u201d\u7684\u6570\u636e\uff1b\u7c7b\u522b\u8fc7\u6ee4\u53ef\u4ee5\u9650\u5236\u68c0\u7d22\u8303\u56f4\u5728\u7279\u5b9a\u7684\u4ea7\u54c1\u7ebf\u3001\u9879\u76ee\u7ec4\u6216\u4e1a\u52a1\u5355\u5143\u5185\uff0c\u907f\u514d\u8de8\u90e8\u95e8\u6570\u636e\u6df7\u6dc6\uff1b\u6765\u6e90\u8fc7\u6ee4\u5219\u5e2e\u52a9\u7cfb\u7edf\u4f18\u5148\u9009\u62e9\u6765\u81ea\u6743\u5a01\u6570\u636e\u6e90\u7684\u5185\u5bb9\uff0c\u6bd4\u5982\u4f1a\u8bae\u7eaa\u8981\u3001\u6280\u672f\u624b\u518c\u3001API \u6587\u6863\u7b49\u3002\u901a\u8fc7\u8fd9\u4e9b\u7ed3\u6784\u5316\u8fc7\u6ee4\u624b\u6bb5\uff0c\u53ef\u4ee5\u5728\u539f\u59cb\u5411\u91cf\u76f8\u4f3c\u5ea6\u6392\u5e8f\u57fa\u7840\u4e0a\u8fdb\u4e00\u6b65\u7cbe\u70bc\u7ed3\u679c\uff0c\u63d0\u5347\u6574\u4f53\u7cfb\u7edf\u7684\u8f93\u51fa\u8d28\u91cf\u4e0e\u7a33\u5b9a\u6027\u3002<\/p>\n\n\n\n<p>\u5bf9\u4e8e\u4e00\u4e9b\u590d\u6742\u67e5\u8be2\u573a\u666f\uff0c\u5c24\u5176\u662f\u5728\u7528\u6237\u91c7\u7528\u81ea\u7136\u8bed\u8a00\u8868\u8fbe\u610f\u56fe\u65f6\uff0c\u4eba\u5de5\u624b\u52a8\u6784\u9020\u5143\u6570\u636e\u8fc7\u6ee4\u6761\u4ef6\u4e0d\u4ec5\u7e41\u7410\uff0c\u800c\u4e14\u5bb9\u6613\u51fa\u73b0\u6b67\u4e49\u6216\u9057\u6f0f\u3002\u4e3a\u6b64\uff0c\u76ee\u524d\u4e5f\u6709\u65b9\u6848\u662f\u7ed3\u5408\u5927\u8bed\u8a00\u6a21\u578b\u7684\u80fd\u529b\uff0c\u5b9e\u73b0\u81ea\u52a8\u4ece\u7528\u6237\u8f93\u5165\u4e2d\u63d0\u53d6\u51fa\u4e0e\u5143\u6570\u636e\u76f8\u5173\u7684\u7ed3\u6784\u5316\u67e5\u8be2\u6761\u4ef6\u3002\u8fd9\u79cd\u201c\u667a\u80fd\u5143\u6570\u636e\u8fc7\u6ee4\u201d\u6a21\u5f0f\u6781\u5927\u63d0\u5347\u4e86\u68c0\u7d22\u8fc7\u7a0b\u7684\u7075\u6d3b\u6027\u4e0e\u9002\u5e94\u6027\u3002\u4f8b\u5982\uff0c\u7528\u6237\u8f93\u5165\u201c\u5c55\u793a 2022 \u5e74\u53d1\u5e03\u7684 Project A \u7684\u76f8\u5173\u6587\u6863\u201d\uff0c\u7cfb\u7edf\u53ef\u4ee5\u81ea\u52a8\u89e3\u6790\u51fa\u4e24\u4e2a\u5173\u952e\u8fc7\u6ee4\u5b57\u6bb5\uff1a\u65f6\u95f4\u4e3a 2022 \u5e74\uff0c\u9879\u76ee\u4e3a Project A\uff0c\u5e76\u636e\u6b64\u6267\u884c\u7cbe\u51c6\u7684\u6587\u6863\u5411\u91cf\u68c0\u7d22\uff0c\u663e\u8457\u63d0\u5347\u8fd4\u56de\u7ed3\u679c\u7684\u9488\u5bf9\u6027\u548c\u547d\u4e2d\u7387\u3002<\/p>\n\n\n\n<p>Amazon OpenSearch \u63d0\u4f9b\u4e86\u5f3a\u5927\u7684\u5143\u6570\u636e\u8fc7\u6ee4\u80fd\u529b\uff0c\u4f7f\u5f97\u7528\u6237\u53ef\u4ee5\u901a\u8fc7\u65f6\u95f4\u3001\u7c7b\u522b\u3001\u6765\u6e90\u7b49\u5143\u6570\u636e\u7ef4\u5ea6\u7cbe\u51c6\u63a7\u5236\u68c0\u7d22\u8303\u56f4\uff0c\u6709\u6548\u63d0\u9ad8\u7cfb\u7edf\u6574\u4f53\u7684\u68c0\u7d22\u8d28\u91cf\u3002\u5b83\u4e3b\u8981\u63d0\u4f9b 3 \u79cd\u8fc7\u6ee4\u65b9\u6cd5[5]\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u9ad8\u6548 <strong>k-NN<\/strong> \u8fc7\u6ee4\uff08<strong>Efficient k-NN Filtering<\/strong>\uff09\uff1a\u81ea OpenSearch 2.9 \u8d77\uff0c\u652f\u6301\u5728\u5411\u91cf\u68c0\u7d22\u8fc7\u7a0b\u4e2d\u540c\u65f6\u5e94\u7528\u8fc7\u6ee4\u6761\u4ef6\uff0c\u907f\u514d\u4e86\u4f20\u7edf\u7684\u9884\u8fc7\u6ee4\u6216\u540e\u8fc7\u6ee4\u65b9\u5f0f\u53ef\u80fd\u5bfc\u81f4\u7684\u7ed3\u679c\u6570\u91cf\u4e0d\u8db3\u6216\u6027\u80fd\u4e0b\u964d\u7684\u95ee\u9898\u3002\u8fd9\u79cd\u65b9\u6cd5\u786e\u4fdd\u5728\u6ee1\u8db3\u8fc7\u6ee4\u6761\u4ef6\u7684\u6587\u6863\u4e2d\u8fd4\u56de\u51c6\u786e\u7684 k \u4e2a\u6700\u8fd1\u90bb\u7ed3\u679c<\/li>\n\n\n\n<li>\u5e03\u5c14\u540e\u8fc7\u6ee4\uff08<strong>Boolean Post-Filtering<\/strong>\uff09\uff1a\u6b64\u65b9\u6cd5\u5728\u5411\u91cf\u68c0\u7d22\u540e\u5e94\u7528\u8fc7\u6ee4\u6761\u4ef6\uff0c\u9002\u7528\u4e8e\u8fc7\u6ee4\u6761\u4ef6\u4e0d\u592a\u4e25\u683c\u7684\u573a\u666f\u3002\u4f46\u5728\u8fc7\u6ee4\u6761\u4ef6\u8f83\u4e25\u683c\u65f6\uff0c\u53ef\u80fd\u5bfc\u81f4\u8fd4\u56de\u7684\u7ed3\u679c\u5c11\u4e8e\u9884\u671f\u7684 k \u4e2a<\/li>\n\n\n\n<li>\u8bc4\u5206\u811a\u672c\u8fc7\u6ee4\uff08<strong>Scoring Script Filtering<\/strong>\uff09\uff1a\u6b64\u65b9\u6cd5\u5148\u5bf9\u6587\u6863\u96c6\u5e94\u7528\u8fc7\u6ee4\u6761\u4ef6\uff0c\u7136\u540e\u5728\u8fc7\u6ee4\u540e\u7684\u5b50\u96c6\u4e0a\u6267\u884c\u7cbe\u786e\u7684 k-NN \u68c0\u7d22\u3002\u9002\u7528\u4e8e\u5bf9\u7cbe\u5ea6\u8981\u6c42\u9ad8\u7684\u573a\u666f\uff0c\u4f46\u5728\u5904\u7406\u5927\u578b\u6570\u636e\u96c6\u65f6\u53ef\u80fd\u9762\u4e34\u9ad8\u5ef6\u8fdf\u548c\u6269\u5c55\u6027\u95ee\u9898\u3002<\/li>\n<\/ol>\n\n\n\n<p>\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0c\u5373\u4f7f\u5728\u5927\u89c4\u6a21\u5411\u91cf\u68c0\u7d22\u7684\u5e94\u7528\u573a\u666f\u4e2d\uff0c\u4e5f\u5e76\u975e\u6240\u6709\u60c5\u51b5\u4e0b\u90fd\u5fc5\u987b\u91c7\u7528\u8fd1\u4f3c\u6700\u8fd1\u90bb\uff08ANN\uff09\u68c0\u7d22\u3002\u5728\u67d0\u4e9b\u7279\u5b9a\u573a\u666f\u4e0b\uff0c\u9884\u8fc7\u6ee4\uff08pre-filter\uff09\u7ed3\u5408\u7cbe\u786e k-NN \u68c0\u7d22\u7684\u65b9\u5f0f\uff0c\u76f8\u8f83\u4e8e ANN \u66f4\u5177\u4f18\u52bf\uff0c\u65e2\u80fd\u964d\u4f4e\u8d44\u6e90\u6210\u672c\uff0c\u53c8\u80fd\u5b9e\u73b0\u66f4\u9ad8\u7684\u53ec\u56de\u7387\u3002<\/p>\n\n\n\n<p>\u8fd9\u7c7b\u573a\u666f\u7684\u5178\u578b\u7279\u5f81\u662f\uff1a\u5c3d\u7ba1\u5168\u5c40\u5411\u91cf\u6c60\u7684\u89c4\u6a21\u975e\u5e38\u5927\uff08\u5982\u5343\u4e07\u7ea7\u751a\u81f3\u4e0a\u4ebf\u6761\u5411\u91cf\uff09\uff0c\u4f46\u5728\u5e94\u7528\u5143\u6570\u636e\u8fc7\u6ee4\u6761\u4ef6\u540e\uff0c\u5b9e\u9645\u53c2\u4e0e\u5411\u91cf\u68c0\u7d22\u7684\u6570\u636e\u5b50\u96c6\u76f8\u5bf9\u8f83\u5c0f\uff08\u901a\u5e38\u5728\u51e0\u5343\u5230\u51e0\u4e07\u6761\u4e4b\u95f4\uff09\u3002\u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\uff0c\u5982\u679c\u4ecd\u4f7f\u7528\u5168\u5c40 ANN \u7d22\u5f15\uff08\u5982 HNSW\uff09\u5e76\u5c06\u5176\u5b8c\u5168\u52a0\u8f7d\u81f3\u5185\u5b58\u4ee5\u5b9e\u73b0\u4f4e\u5ef6\u8fdf\u67e5\u8be2\uff0c\u5c06\u5e26\u6765\u8f83\u9ad8\u7684\u5185\u5b58\u5f00\u9500\u3002\u800c\u91c7\u7528 pre-filter + \u7cbe\u786e k-NN \u7684\u68c0\u7d22\u6a21\u5f0f\uff0c\u5219\u65e0\u9700\u6784\u5efa\u548c\u7ef4\u62a4\u5927\u578b ANN \u7d22\u5f15\uff0c\u663e\u8457\u964d\u4f4e\u4e86\u5185\u5b58\u6d88\u8017\u3002\u6b64\u5916\uff0c\u5728\u8fc7\u6ee4\u540e\u7684\u6570\u636e\u96c6\u8f83\u5c0f\u7684\u60c5\u51b5\u4e0b\uff0c\u5373\u4f7f\u91c7\u7528\u66b4\u529b\u8ba1\u7b97\u65b9\u5f0f\u8fdb\u884c\u7cbe\u786e k-NN \u4e5f\u4e0d\u4f1a\u4ea7\u751f\u660e\u663e\u7684\u8ba1\u7b97\u8d1f\u62c5\u3002\u8fd9\u79cd\u65b9\u5f0f\u65e2\u80fd\u786e\u4fdd\u68c0\u7d22\u7ed3\u679c\u7684\u5b8c\u6574\u6027\uff08\u5373 100% \u53ec\u56de\uff09\uff0c\u53c8\u907f\u514d\u4e86 ANN \u5f15\u5165\u7684\u8fd1\u4f3c\u8bef\u5dee\uff0c\u5bf9\u4e8e\u5bf9\u53ec\u56de\u7387\u8981\u6c42\u8f83\u9ad8\u7684\u573a\u666f\u5c24\u4e3a\u9002\u7528\u3002<\/p>\n\n\n\n<p>\u5728\u4f7f\u7528 Amazon OpenSearch \u8fdb\u884c\u5411\u91cf\u68c0\u7d22\u7684\u5b9e\u9645\u5ba2\u6237\u6848\u4f8b\u4e2d\uff0c\u5df2\u6709\u591a\u4e2a\u9879\u76ee\u9009\u62e9\u4e86 pre-filter + \u7cbe\u786e k-NN \u7684\u65b9\u6848\u3002\u4f8b\u5982\uff0c\u5728\u67d0\u4e2a\u57fa\u4e8e\u6444\u50cf\u5934\u91c7\u96c6\u7684\u753b\u9762\u8fdb\u884c\u5411\u91cf\u68c0\u7d22\u7684\u573a\u666f\u4e2d\uff0c\u7cfb\u7edf\u603b\u5171\u7ef4\u62a4\u7740\u7ea6 1400 \u4e07\u6761\u5411\u91cf\u3002\u5c3d\u7ba1\u5411\u91cf\u603b\u91cf\u5e9e\u5927\uff0c\u4f46\u6bcf\u6b21\u68c0\u7d22\u524d\u90fd\u4f1a\u901a\u8fc7\u201c\u8bbe\u5907 ID\u201d\u4ee5\u53ca\u5176\u4ed6\u4e1a\u52a1\u76f8\u5173\u5b57\u6bb5\u8fdb\u884c\u9884\u8fc7\u6ee4\uff0c\u6700\u7ec8\u53c2\u4e0e\u8ba1\u7b97\u7684\u5411\u91cf\u89c4\u6a21\u901a\u5e38\u4ec5\u4e3a 3000 \u81f3 4000 \u6761\u3002\u5728\u8fd9\u79cd\u6761\u4ef6\u4e0b\uff0c\u91c7\u7528\u7cbe\u786e k-NN \u800c\u975e ANN\uff0c\u4e0d\u4ec5\u5927\u5e45\u964d\u4f4e\u4e86\u7cfb\u7edf\u8d44\u6e90\u5360\u7528\uff0c\u540c\u65f6\u8fd8\u80fd\u786e\u4fdd\u68c0\u7d22\u7684\u53ec\u56de\u7387\u8fbe\u5230 100%\uff0c\u5b9e\u73b0\u4e86\u66f4\u9ad8\u7684\u6027\u4ef7\u6bd4\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">5\u3001\u7a00\u758f\u5411\u91cf\u68c0\u7d22\u80fd\u529b<\/h2>\n\n\n\n<p>\u7a00\u758f\u5411\u91cf\u68c0\u7d22\uff08Sparse Vector Search\uff09\u662f\u4e00\u79cd\u7ed3\u5408\u4e86\u4f20\u7edf\u5173\u952e\u8bcd\u5339\u914d\u548c\u795e\u7ecf\u7f51\u7edc\u8bed\u4e49\u7406\u89e3\u7684\u68c0\u7d22\u65b9\u6cd5\u3002\u5b83\u5e76\u975e\u7b80\u5355\u5730\u66ff\u4ee3\u5173\u952e\u8bcd\u6216\u7a20\u5bc6\u5411\u91cf\u68c0\u7d22\uff0c\u800c\u662f\u662f\u4e3a\u4e86\u89e3\u51b3\u4f20\u7edf\u5173\u952e\u8bcd\u68c0\u7d22\u548c\u7a20\u5bc6\u5411\u91cf\u68c0\u7d22\u5404\u81ea\u7684\u5c40\u9650\u6027\uff0c\u63d0\u5347\u641c\u7d22\u7684\u8bed\u4e49\u7406\u89e3\u80fd\u529b\uff0c\u540c\u65f6\u517c\u987e\u8ba1\u7b97\u6548\u7387\u548c\u54cd\u5e94\u901f\u5ea6\uff0c\u5728\u7279\u5b9a\u573a\u666f\u4e0b\u63d0\u4f9b\u66f4\u4f18\u7684\u89e3\u51b3\u65b9\u6848\u3002\u6216\u4f5c\u4e3a\u6df7\u5408\u68c0\u7d22\u7b56\u7565\u7684\u4e00\u90e8\u5206\uff0c\u4e0e\u5176\u4ed6\u65b9\u6cd5\u534f\u540c\u5de5\u4f5c\u3002<\/p>\n\n\n\n<p>\u4e3a\u4ec0\u4e48\u9700\u8981\u7a00\u758f\u5411\u91cf\u68c0\u7d22\uff1f\u6211\u4eec\u4ece\u76ee\u524d\u5173\u952e\u8bcd\u68c0\u7d22\u548c\u7a20\u5bc6\u5411\u91cf\u68c0\u7d22\u5b58\u5728\u7684\u6311\u6218\uff0c\u4ee5\u53ca\u7a00\u758f\u5411\u91cf\u5982\u4f55\u89e3\u51b3\u7684\u89d2\u5ea6\u6765\u770b\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5173\u952e\u8bcd\u68c0\u7d22\uff1a\u4f20\u7edf\u5173\u952e\u8bcd\u68c0\u7d22\uff08\u57fa\u4e8e\u5012\u6392\u7d22\u5f15\u7684\u8bcd\u6cd5\u641c\u7d22\uff09\u4f9d\u8d56\u8bcd\u6c47\u5339\u914d\uff0c\u96be\u4ee5\u5904\u7406\u8bcd\u6c47\u4e0d\u5339\u914d\u3001\u540c\u4e49\u8bcd\u3001\u591a\u4e49\u8bcd\u7b49\u8bed\u4e49\u95ee\u9898\uff0c\u5bfc\u81f4\u76f8\u5173\u6027\u4e0d\u8db3\u3002\u7a00\u758f\u5411\u91cf\u68c0\u7d22\u901a\u8fc7\u795e\u7ecf\u7f51\u7edc\u6a21\u578b\uff08\u5982 SPLADE\uff09\u5c06\u6587\u672c\u7f16\u7801\u4e3a\u9ad8\u7ef4\u7a00\u758f\u5411\u91cf\uff0c\u6bcf\u4e2a\u7ef4\u5ea6\u5bf9\u5e94\u4e00\u4e2a\u8bcd\u6216\u5b50\u8bcd\uff0c\u5e76\u8d4b\u4e88\u6743\u91cd\u3002\u8fd9\u79cd\u8868\u793a\u65b9\u5f0f\u4e0d\u4ec5\u4fdd\u7559\u4e86\u5173\u952e\u8bcd\u7684\u91cd\u8981\u6027\uff0c\u8fd8\u5f15\u5165\u4e86\u8bed\u4e49\u6269\u5c55\u80fd\u529b\uff0c\u80fd\u591f\u8bc6\u522b\u4e0e\u67e5\u8be2\u76f8\u5173\u7684\u540c\u4e49\u8bcd\u6216\u76f8\u5173\u8bcd\u6c47\uff0c\u4ece\u800c\u63d0\u9ad8\u53ec\u56de\u7387\u3002<\/li>\n\n\n\n<li>\u7a20\u5bc6\u5411\u91cf\u68c0\u7d22\uff1a\u7a20\u5bc6\u5411\u91cf\u68c0\u7d22\uff08Dense Vector Search\uff09\u901a\u8fc7\u9ad8\u7ef4\u5411\u91cf\u6355\u6349\u8bed\u4e49\uff0c\u4f46\u8ba1\u7b97\u548c\u5b58\u50a8\u5f00\u9500\u8f83\u5927\uff0c\u5c24\u5176\u5728\u6d77\u91cf\u6570\u636e\u548c\u9ad8\u7ef4\u5ea6\u4e0b\uff0c\u5ef6\u8fdf\u548c\u6210\u672c\u663e\u8457\u589e\u52a0\u3002Sparse Search \u901a\u8fc7\u7a00\u758f\u5411\u91cf\u8868\u793a\uff08\u53ea\u5305\u542b\u5c11\u91cf\u975e\u96f6\u9879\u53ca\u5176\u6743\u91cd\uff09\uff0c\u663e\u8457\u51cf\u5c11\u8ba1\u7b97\u91cf\u548c\u5185\u5b58\u5360\u7528\uff0c\u540c\u65f6\u4fdd\u6301\u8f83\u597d\u7684\u8bed\u4e49\u76f8\u5173\u6027\u3002 \u8fd9\u4f7f\u5f97\u7a00\u758f\u5411\u91cf\u68c0\u7d22\u5728\u5904\u7406\u5927\u89c4\u6a21\u6570\u636e\u96c6\u65f6\u5177\u6709\u8f83\u9ad8\u7684\u6548\u7387\uff0c\u5c24\u5176\u9002\u7528\u4e8e\u8d44\u6e90\u53d7\u9650\u7684\u73af\u5883\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u6240\u4ee5\uff0c\u7a00\u758f\u5411\u91cf\u68c0\u7d22\u662f\u4e00\u79cd\u4ecb\u4e8e\u5173\u952e\u8bcd\u68c0\u7d22\u548c\u7a20\u5bc6\u5411\u91cf\u68c0\u7d22\u4e4b\u95f4\u7684\u521b\u65b0\u6280\u672f\uff0c\u65e8\u5728\u63d0\u5347\u8bed\u4e49\u7406\u89e3\u548c\u68c0\u7d22\u6548\u7387\u3002\u5b83\u65e2\u4e0d\u662f\u5355\u7eaf\u66ff\u4ee3\u5173\u952e\u8bcd\u68c0\u7d22\uff0c\u4e5f\u4e0d\u662f\u5355\u7eaf\u66ff\u4ee3\u7a20\u5bc6\u5411\u91cf\u68c0\u7d22\uff0c\u800c\u662f\u4f5c\u4e3a\u4e24\u8005\u7684\u6709\u6548\u8865\u5145\uff0c\u5e2e\u52a9\u6784\u5efa\u66f4\u9ad8\u6548\u3001\u66f4\u51c6\u786e\u7684\u641c\u7d22\u7cfb\u7edf\u3002<\/p>\n\n\n\n<p>Amazon OpenSearch \u81ea 2.11 \u7248\u672c\u8d77\u5f15\u5165\u4e86\u795e\u7ecf\u7a00\u758f\u68c0\u7d22\uff08Neural Sparse Search\uff09\u529f\u80fd\uff0c\u4e3a\u8bed\u4e49\u641c\u7d22\u63d0\u4f9b\u4e86\u4e00\u79cd\u9ad8\u6548\u3001\u4f4e\u8d44\u6e90\u6d88\u8017\u7684\u66ff\u4ee3\u65b9\u6848\u3002\u7a00\u758f\u5411\u91cf\u68c0\u7d22\u7ed3\u5408\u4e86\u4f20\u7edf\u5012\u6392\u7d22\u5f15\u7684\u9ad8\u6027\u80fd\u548c\u795e\u7ecf\u7f51\u7edc\u6a21\u578b\u7684\u8bed\u4e49\u7406\u89e3\u80fd\u529b\uff0c\u7279\u522b\u9002\u7528\u4e8e\u5bf9\u53ec\u56de\u7387\u3001\u53ef\u89e3\u91ca\u6027\u548c\u6210\u672c\u63a7\u5236\u6709\u8f83\u9ad8\u8981\u6c42\u7684\u573a\u666f\u3002\u5728\u8fd9\u4e2a\u8fc7\u7a0b\u4e2d\uff0c\u6587\u672c\u9996\u5148\u901a\u8fc7\u7a00\u758f\u7f16\u7801\u6a21\u578b\uff08\u5982 OpenSearch \u63d0\u4f9b\u7684\u9884\u8bad\u7ec3\u6a21\u578b\uff09\u8f6c\u6362\u4e3a\u7a00\u758f\u5411\u91cf\uff0c\u5373\u7531\u975e\u96f6\u6743\u91cd\u7684 token:weight \u952e\u503c\u5bf9\u7ec4\u6210\u7684\u5411\u91cf\u3002\u8fd9\u4e9b\u5411\u91cf\u88ab\u7d22\u5f15\u5230 Lucene \u7684\u5012\u6392\u7d22\u5f15\u4e2d\uff0c\u5229\u7528<code>FeatureField<\/code>\u5b58\u50a8\u7ed3\u6784\u3002\u67e5\u8be2\u65f6\uff0c\u8f93\u5165\u6587\u672c\u540c\u6837\u88ab\u7f16\u7801\u4e3a\u7a00\u758f\u5411\u91cf\uff0c\u5e76\u901a\u8fc7\u5012\u6392\u7d22\u5f15\u8fdb\u884c\u5339\u914d\u548c\u6253\u5206\uff0c\u4ece\u800c\u5b9e\u73b0\u8bed\u4e49\u7ea7\u7684\u68c0\u7d22[6]\u3002<\/p>\n\n\n\n<p>\u76ee\u524d Amazon OpenSearch \u652f\u6301\u4e24\u79cd\u7a00\u758f\u68c0\u7d22\u6a21\u5f0f\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Doc-only<\/strong> \u6a21\u5f0f\uff1a\u4ec5\u5728\u7d22\u5f15\u9636\u6bb5\u5bf9\u6587\u6863\u8fdb\u884c\u8bed\u4e49\u6269\u5c55\uff0c\u67e5\u8be2\u9636\u6bb5\u4e0d\u8fdb\u884c\u6269\u5c55\u3002\u8be5\u6a21\u5f0f\u5ef6\u8fdf\u4f4e\uff0c\u6027\u80fd\u63a5\u8fd1\u4f20\u7edf BM25 \u68c0\u7d22\uff0c\u9002\u7528\u4e8e\u5bf9\u54cd\u5e94\u901f\u5ea6\u8981\u6c42\u9ad8\u7684\u573a\u666f<\/li>\n\n\n\n<li><strong>Bi-encoder<\/strong> \u6a21\u5f0f\uff1a\u5728\u7d22\u5f15\u548c\u67e5\u8be2\u9636\u6bb5\u5747\u8fdb\u884c\u8bed\u4e49\u6269\u5c55\uff0c\u80fd\u591f\u66f4\u5168\u9762\u5730\u6355\u6349\u67e5\u8be2\u610f\u56fe\uff0c\u63d0\u9ad8\u68c0\u7d22\u76f8\u5173\u6027\uff0c\u4f46\u76f8\u5e94\u5730\u8ba1\u7b97\u5f00\u9500\u548c\u5ef6\u8fdf\u4e5f\u66f4\u9ad8<\/li>\n<\/ul>\n\n\n\n<p>\u5728 Amazon OpenSearch \u4e2d\u4f7f\u7528\u7a00\u758f\u5411\u91cf\u68c0\u7d22\u7684\u64cd\u4f5c\u975e\u5e38\u7b80\u4fbf\uff0c\u5176\u914d\u7f6e\u6d41\u7a0b\u4e0e\u7b2c 3.1 \u8282\u6240\u4ecb\u7ecd\u7684\u6b65\u9aa4\u57fa\u672c\u4e00\u81f4\u3002\u6839\u636e\u5b98\u65b9\u53d1\u5e03\u7684\u6d4b\u8bd5\u7ed3\u679c[7]\uff0c\u7a00\u758f\u4e0e\u7a20\u5bc6\u5411\u91cf\u7ed3\u5408\u7684\u6df7\u5408\u68c0\u7d22\u65b9\u6cd5\u5728\u6574\u4f53\u68c0\u7d22\u6548\u679c\u4e0a\u4f18\u4e8e\u4f20\u7edf BM25 \u4e0e\u7a20\u5bc6\u5411\u91cf\u7684\u7ec4\u5408\u3002\u7136\u800c\uff0c\u9700\u8981\u7279\u522b\u6ce8\u610f\u7684\u662f\uff0c\u7a00\u758f\u5411\u91cf\u68c0\u7d22\u7684\u6027\u80fd\u9ad8\u5ea6\u4f9d\u8d56\u4e8e\u6240\u4f7f\u7528\u7684\u7a00\u758f\u7f16\u7801\u5668\uff08Sparse Encoder\uff09\u6a21\u578b\u7684\u8d28\u91cf\u3002\u5982\u679c\u6a21\u578b\u5728\u6269\u5c55\u8bcd\u6c47\u4e0a\u7684\u8bed\u4e49\u76f8\u5173\u6027\u8f83\u5f31\uff0c\u5c06\u76f4\u63a5\u5f71\u54cd\u6700\u7ec8\u7684\u53ec\u56de\u80fd\u529b\u3002<\/p>\n\n\n\n<p>\u6b64\u5916\uff0c\u7531\u4e8e\u5927\u591a\u6570\u7a00\u758f\u7f16\u7801\u5668\u662f\u5728\u901a\u7528\u8bed\u6599\u4e0a\u8fdb\u884c\u9884\u8bad\u7ec3\u7684\uff0c\u5728\u9762\u5bf9\u7279\u5b9a\u5782\u76f4\u9886\u57df\u4e2d\u7684\u4e13\u4e1a\u672f\u8bed\u65f6\uff0c\u5176\u53ec\u56de\u6548\u679c\u53ef\u80fd\u751a\u81f3\u4e0d\u5982\u4f20\u7edf\u7684\u5173\u952e\u8bcd\u5339\u914d\u3002\u8fd9\u610f\u5473\u7740\u5728\u7279\u5b9a\u4e1a\u52a1\u573a\u666f\u4e2d\uff0c\u662f\u5426\u9002\u5408\u4f7f\u7528\u7a00\u758f\u68c0\u7d22\u4ecd\u9700\u7ed3\u5408\u5b9e\u9645\u6570\u636e\u8fdb\u884c\u8bc4\u4f30\u3002\u5fc5\u8981\u65f6\uff0c\u53ef\u80fd\u8fd8\u9700\u5bf9\u7a00\u758f\u7f16\u7801\u5668\u8fdb\u884c\u5fae\u8c03\uff0c\u4ee5\u4f18\u5316\u5176\u5728\u76ee\u6807\u9886\u57df\u4e2d\u7684\u68c0\u7d22\u6548\u679c\u3002<\/p>\n\n\n\n<h1 class=\"wp-block-heading\">Amazon OpenSearch Serverless<\/h1>\n\n\n\n<p>\u9664\u4e86\u4f20\u7edf\u7684\u96c6\u7fa4\u90e8\u7f72\u6a21\u5f0f\uff0cAmazon OpenSearch \u8fd8\u63d0\u4f9b\u4e86 Serverless \u6a21\u5f0f\uff0c\u5177\u5907\u65e0\u9700\u8fd0\u7ef4\u3001\u81ea\u52a8\u5f39\u6027\u6269\u7f29\u7684\u4f18\u52bf\uff0c\u4e3a\u5411\u91cf\u5b58\u50a8\u4e0e\u68c0\u7d22\u63d0\u4f9b\u4e86\u4e00\u79cd\u9ad8\u6548\u4fbf\u6377\u7684\u89e3\u51b3\u65b9\u6848\u3002OpenSearch Serverless \u662f\u4e13\u4e3a\u751f\u6210\u5f0f\u4eba\u5de5\u667a\u80fd\uff08Generative AI\uff09\u548c\u68c0\u7d22\u589e\u5f3a\u751f\u6210\uff08RAG\uff09\u5e94\u7528\u8bbe\u8ba1\u7684\u65e0\u670d\u52a1\u5668\u5411\u91cf\u6570\u636e\u5e93\uff0c\u5177\u5907\u9ad8\u6027\u80fd\u3001\u53ef\u6269\u5c55\u7684\u5411\u91cf\u68c0\u7d22\u80fd\u529b\uff0c\u80fd\u591f\u5728\u6beb\u79d2\u7ea7\u5ef6\u8fdf\u5185\u5b8c\u6210\u641c\u7d22\uff0c\u9002\u7528\u4e8e\u8bed\u4e49\u641c\u7d22\u3001\u63a8\u8350\u7cfb\u7edf\u3001\u804a\u5929\u673a\u5668\u4eba\u7b49\u591a\u79cd\u667a\u80fd\u5e94\u7528\u573a\u666f\u3002<\/p>\n\n\n\n<p>\u5176\u6838\u5fc3\u4f18\u52bf\u5728\u4e8e\u5b8c\u5168\u6258\u7ba1\u7684\u65e0\u670d\u52a1\u5668\u67b6\u6784\uff0c\u7528\u6237\u65e0\u9700\u9884\u7f6e\u3001\u914d\u7f6e\u6216\u7ba1\u7406\u5e95\u5c42\u96c6\u7fa4\u8d44\u6e90\u3002\u7cfb\u7edf\u4f1a\u6839\u636e\u5b9e\u9645\u8d1f\u8f7d\u81ea\u52a8\u5b8c\u6210\u8d44\u6e90\u7684\u6269\u5c55\u4e0e\u56de\u6536\uff0c\u5728\u8bbf\u95ee\u6a21\u5f0f\u6216\u5e94\u7528\u9700\u6c42\u6ce2\u52a8\u65f6\uff0c\u4f9d\u7136\u80fd\u591f\u4fdd\u6301\u9ad8\u541e\u5410\u7387\u548c\u4f4e\u5ef6\u8fdf\u54cd\u5e94\u3002\u540c\u65f6\uff0cOpenSearch 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Serverless \u53ef\u4e0e\u5982 Amazon Titan Embeddings \u7b49\u57fa\u7840\u6a21\u578b\u65e0\u7f1d\u534f\u4f5c\uff0c\u7b80\u5316\u5d4c\u5165\u751f\u6210\u3001\u68c0\u7d22\u8c03\u7528\u7b49 RAG \u5de5\u4f5c\u6d41\u5f00\u53d1\u6d41\u7a0b\u3002<\/p>\n\n\n\n<p>\u5728\u5b89\u5168\u65b9\u9762\uff0cOpenSearch Serverless \u539f\u751f\u96c6\u6210 Amazon Identity and Access Management\uff08IAM\uff09\uff0c\u652f\u6301\u7ec6\u7c92\u5ea6\u7684\u6743\u9650\u63a7\u5236\uff0c\u540c\u65f6\u652f\u6301\u901a\u8fc7 Amazon Key Management Service\uff08KMS\uff09\u8fdb\u884c\u6570\u636e\u52a0\u5bc6\uff0c\u786e\u4fdd\u6570\u636e\u5728\u4f20\u8f93\u4e0e\u5b58\u50a8\u8fc7\u7a0b\u4e2d\u7684\u5b8c\u6574\u6027\u4e0e\u673a\u5bc6\u6027\u3002<\/p>\n\n\n\n<p>\u76ee\u524d\uff0cOpenSearch Serverless \u5df2\u5728\u591a\u4e2a\u5b9e\u9645\u5ba2\u6237\u573a\u666f\u4e2d\u5f97\u5230\u843d\u5730\u5e94\u7528\u3002\u4f8b\u5982 riskCanvas\u2014\u2014\u4e00\u6b3e\u57fa\u4e8e SaaS 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