{"id":2439,"date":"2025-10-11T16:28:34","date_gmt":"2025-10-11T08:28:34","guid":{"rendered":"https:\/\/zero-zl.cn\/?p=2439"},"modified":"2025-10-11T16:28:34","modified_gmt":"2025-10-11T08:28:34","slug":"%e2%9c%85%e6%b4%be%e8%81%aa%e6%98%8e-rag%e7%9f%a5%e8%af%86%e5%ba%93%e6%a3%80%e7%b4%a2%e6%a8%a1%e5%9d%97%e8%ae%be%e8%ae%a1%e6%96%b9%e6%a1%88","status":"publish","type":"post","link":"https:\/\/zero-zl.cn\/index.php\/2025\/10\/11\/%e2%9c%85%e6%b4%be%e8%81%aa%e6%98%8e-rag%e7%9f%a5%e8%af%86%e5%ba%93%e6%a3%80%e7%b4%a2%e6%a8%a1%e5%9d%97%e8%ae%be%e8%ae%a1%e6%96%b9%e6%a1%88\/","title":{"rendered":"\u2705\u6d3e\u806a\u660e RAG\u77e5\u8bc6\u5e93\u68c0\u7d22\u6a21\u5757\u8bbe\u8ba1\u65b9\u6848"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">\u77e5\u8bc6\u5e93\u68c0\u7d22\u6a21\u5757\u662f\u6d3e\u806a\u660e\u8fd9\u4e2a RAG \u9879\u76ee\u7684\u6838\u5fc3\u529f\u80fd\u6a21\u5757\uff0c\u6211\u4eec\u662f\u57fa\u4e8e Elasticsearch \u5b9e\u73b0\u7684\u6587\u6863\u6df7\u5408\u68c0\u7d22\u80fd\u529b\uff0c\u5c06\u8bed\u4e49\u68c0\u7d22\u548c\u5173\u952e\u8bcd\u68c0\u7d22\u7ed3\u679c\u7ed3\u5408\u8d77\u6765\uff0c\u4e3a\u7528\u6237\u63d0\u4f9b\u66f4\u9ad8\u8d28\u91cf\u7684\u641c\u7d22\u4f53\u9a8c\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u8be5\u6a21\u5757\u4f9d\u8d56\u4e8e\u6587\u4ef6\u4e0a\u4f20\u4e0e\u89e3\u6790\u6a21\u5757\u5b8c\u6210\u7684\u5411\u91cf\u5316\u5904\u7406\uff0c\u76f4\u63a5\u4f7f\u7528\u5b58\u50a8\u5728 Elasticsearch \u4e2d\u7684\u5411\u91cf\u6570\u636e\u8fdb\u884c\u68c0\u7d22\u3002\u7cfb\u7edf\u76ee\u524d\u4f7f\u7528\u8c46\u5305 API \u751f\u6210\u6587\u672c\u5411\u91cf\uff0c\u5e76\u5c06\u5411\u91cf\u5b58\u50a8\u5728 Elasticsearch \u4e2d\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u6a21\u5757\u6574\u4f53\u5206\u4e3a\u4e24\u5927\u5757\uff1a<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u2460\u3001\u77e5\u8bc6\u5e93\u68c0\u7d22<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u6df7\u5408\u68c0\u7d22<\/strong>\uff1a\u7ed3\u5408\u8bed\u4e49\u68c0\u7d22\u548c\u5173\u952e\u8bcd\u68c0\u7d22\u7ed3\u679c\uff0c\u6309\u6743\u91cd\u6392\u5e8f\u8fd4\u56de\u641c\u7d22\u7ed3\u679c<\/li>\n\n\n\n<li><strong>\u652f\u6301\u6307\u5b9a\u8fd4\u56de\u7ed3\u679c\u6570\u91cf<\/strong>\uff1a\u901a\u8fc7 topK \u53c2\u6570\u63a7\u5236\u7ed3\u679c\u6570\u91cf<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u2461\u3001\u6743\u9650\u63a7\u5236<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u57fa\u4e8e\u7ec4\u7ec7\u6807\u7b7e\u7684\u6570\u636e\u6743\u9650<\/strong>\uff1a\u786e\u4fdd\u7528\u6237\u53ea\u80fd\u8bbf\u95ee\u6709\u6743\u9650\u7684\u6587\u6863<\/li>\n\n\n\n<li><strong>\u652f\u6301\u5c42\u7ea7\u6743\u9650\u9a8c\u8bc1<\/strong>\uff1a\u7236\u6807\u7b7e\u6743\u9650\u81ea\u52a8\u5305\u542b\u6240\u6709\u5b50\u6807\u7b7e\u6587\u6863\u7684\u8bbf\u95ee\u6743\u9650<\/li>\n\n\n\n<li><strong>\u9ed8\u8ba4\u6807\u7b7e\u5168\u5c40\u53ef\u8bbf\u95ee<\/strong>\uff1aDEFAULT \u6807\u7b7e\u8d44\u6e90\u5bf9\u6240\u6709\u7528\u6237\u5f00\u653e<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u7528\u5230\u7684\u6280\u672f\u6808\u5305\u62ec\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u529f\u80fd\u6a21\u5757<\/th><th>\u6280\u672f\u9009\u578b<\/th><th>\u5907\u6ce8<\/th><\/tr><\/thead><tbody><tr><td>\u5168\u6587\u68c0\u7d22<\/td><td>Elasticsearch<\/td><td>\u7b2c\u4e00\u9636\u6bb5\uff0c\u4f7f\u7528IK\u5206\u8bcd\u5668<\/td><\/tr><tr><td>\u5411\u91cf\u68c0\u7d22<\/td><td>Elasticsearch<\/td><td>\u7b2c\u4e00\u9636\u6bb5\uff0c\u4f7f\u7528dense_vector\u7c7b\u578b<\/td><\/tr><tr><td><em>\u5411\u91cf\u68c0\u7d22<\/em><\/td><td><em>FAISS<\/em><\/td><td><em>\u7b2c\u4e8c\u9636\u6bb5\uff0c\u63d0\u4f9b\u66f4\u9ad8\u6027\u80fd\u7684\u5411\u91cf\u68c0\u7d22<\/em><\/td><\/tr><tr><td>\u7f13\u5b58<\/td><td>Redis<\/td><td>\u7f13\u5b58\u70ed\u70b9\u67e5\u8be2\u7ed3\u679c<\/td><\/tr><tr><td>\u6570\u636e\u5e93<\/td><td>MySQL<\/td><td>\u5b58\u50a8\u5143\u6570\u636e<\/td><\/tr><tr><td>\u5bf9\u8c61\u5b58\u50a8<\/td><td>MinIO<\/td><td>\u5b58\u50a8\u6587\u6863\u6587\u4ef6<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u6574\u4f53\u7684\u6d41\u7a0b\u662f\u8fd9\u6837\u7684\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/zero-zl.cn\/wp-content\/uploads\/2025\/10\/acb2944f7a86eb4d6ad23fe2c925a7a4.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  loading=\"lazy\" decoding=\"async\" width=\"1684\" height=\"1114\" data-original=\"https:\/\/zero-zl.cn\/wp-content\/uploads\/2025\/10\/acb2944f7a86eb4d6ad23fe2c925a7a4.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" class=\"wp-image-2440\"  sizes=\"auto, (max-width: 1684px) 100vw, 1684px\" \/><\/div><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u5f53\u7528\u6237\u53d1\u8d77\u4e00\u4e2a\u67e5\u8be2\u8bf7\u6c42\u65f6\uff0c\u7cfb\u7edf\u9996\u5148\u4f1a\u63a5\u6536\u7528\u6237\u8f93\u5165\u7684\u67e5\u8be2\u6587\u672c\uff0c\u4ee5\u53ca\u4e00\u4e9b\u9644\u5e26\u7684\u68c0\u7d22\u53c2\u6570\uff0c\u4ee5\u53ca\u9700\u8981\u8fd4\u56de\u7684\u7ed3\u679c\u6570\u91cf\uff08topK\uff09\u3002\u5728\u8fd9\u4e00\u6b65\uff0c\u7cfb\u7edf\u4f1a\u5148\u5bf9\u8fd9\u4e9b\u53c2\u6570\u505a\u4e00\u8f6e\u5408\u6cd5\u6027\u6821\u9a8c\uff0c\u786e\u4fdd\u683c\u5f0f\u6b63\u786e\u3001\u6570\u636e\u5408\u7406\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u63a5\u7740\uff0c\u7cfb\u7edf\u4f1a\u628a\u7528\u6237\u7684\u67e5\u8be2\u6587\u672c\u4ea4\u7ed9\u8c46\u5305\u63d0\u4f9b\u7684\u5411\u91cf\u5316 API\uff0c\u901a\u8fc7\u8fd9\u4e2a\u63a5\u53e3\u628a\u81ea\u7136\u8bed\u8a00\u7684\u6587\u672c\u8f6c\u6362\u6210\u53ef\u4ee5\u7528\u4e8e\u5411\u91cf\u68c0\u7d22\u7684\u5411\u91cf\u8868\u793a\u3002\u8fd9\u662f\u6211\u4eec\u540e\u7eed\u8fdb\u884c\u8bed\u4e49\u5339\u914d\u7684\u57fa\u7840\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u62ff\u5230\u67e5\u8be2\u5411\u91cf\u540e\uff0c\u7cfb\u7edf\u4f1a\u6267\u884c\u4e00\u5957\u6df7\u5408\u68c0\u7d22\u6d41\u7a0b\uff0c\u4e5f\u5c31\u662f\u7ed3\u5408\u8bed\u4e49\u5339\u914d\u548c\u5173\u952e\u8bcd\u5339\u914d\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5728\u8fd9\u4e00\u6b65\uff0c\u7cfb\u7edf\u4f1a\u6784\u5efa\u4e00\u4e2a Elasticsearch \u7684\u67e5\u8be2\u8bed\u53e5\uff0c\u8fd9\u4e2a\u67e5\u8be2\u4e0d\u4ec5\u5305\u542b\u4e86\u5411\u91cf\u76f8\u4f3c\u5ea6\u7684\u8ba1\u7b97\uff0c\u8fd8\u4f1a\u7ed3\u5408\u5168\u6587\u641c\u7d22\u7684\u5339\u914d\u7ed3\u679c\u3002\u540c\u65f6\uff0c\u6211\u4eec\u8fd8\u4f1a\u5728\u67e5\u8be2\u4e2d\u52a0\u5165\u6743\u9650\u76f8\u5173\u7684\u8fc7\u6ee4\u6761\u4ef6\uff0c\u786e\u4fdd\u7528\u6237\u53ea\u80fd\u770b\u5230\u81ea\u5df1\u201c\u6709\u6743\u8bbf\u95ee\u201d\u7684\u5185\u5bb9\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5177\u4f53\u6765\u8bf4\uff0c\u6743\u9650\u63a7\u5236\u4e3b\u8981\u5206\u4e3a\u4e09\u6761\u89c4\u5219\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>1.\t\u7528\u6237\u53ef\u4ee5\u8bbf\u95ee\u81ea\u5df1\u4e0a\u4f20\u7684\u6587\u6863\uff1b  \n2.\t\u7528\u6237\u53ef\u4ee5\u8bbf\u95ee\u88ab\u6807\u8bb0\u4e3a\u516c\u5f00\u7684\u6587\u6863\uff1b  \n3.\t\u5982\u679c\u67d0\u4e9b\u6587\u6863\u88ab\u6253\u4e0a\u4e86\u7279\u5b9a\u7684\u6743\u9650\u6807\u7b7e\uff08\u6bd4\u5982\u90e8\u95e8\u6216\u5c42\u7ea7\u6743\u9650\uff09\uff0c\u53ea\u8981\u7528\u6237\u62e5\u6709\u8fd9\u4e9b\u6807\u7b7e\uff0c\u4e5f\u53ef\u4ee5\u8bbf\u95ee\u8fd9\u4e9b\u6587\u6863\u3002\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u5e26\u7740\u8fd9\u4e9b\u6743\u9650\u6761\u4ef6\uff0c\u7cfb\u7edf\u5c06\u5b8c\u6574\u7684\u67e5\u8be2\u8bf7\u6c42\u53d1\u9001\u7ed9 Elasticsearch\uff0c\u5e76\u57fa\u4e8e\u8bbe\u5b9a\u597d\u7684\u7b56\u7565\u5bf9\u641c\u7d22\u7ed3\u679c\u8fdb\u884c\u6253\u5206\uff0c\u7efc\u5408\u8bc4\u4f30\u6587\u672c\u7684\u76f8\u5173\u6027\u4e0e\u6743\u9650\u5339\u914d\u5ea6\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u6700\u540e\uff0c\u6211\u4eec\u4f1a\u6839\u636e topK \u53c2\u6570\uff0c\u6311\u9009\u51fa\u6392\u540d\u9760\u524d\u7684\u82e5\u5e72\u4e2a\u6587\u6863\uff0c\u5e76\u4ece\u6570\u636e\u5e93\u4e2d\u8fdb\u4e00\u6b65\u83b7\u53d6\u8fd9\u4e9b\u6587\u6863\u7684\u5143\u6570\u636e\u4fe1\u606f\uff0c\u6bd4\u5982\u6807\u9898\u3001\u4f5c\u8005\u3001\u4e0a\u4f20\u65f6\u95f4\u7b49\u3002\u7cfb\u7edf\u4f1a\u5bf9\u8fd9\u4e9b\u5185\u5bb9\u8fdb\u884c\u683c\u5f0f\u5316\u5904\u7406\uff0c\u6253\u5305\u6210\u6e05\u6670\u5b8c\u6574\u7684\u54cd\u5e94\u7ed3\u679c\uff0c\u5e76\u6700\u7ec8\u8fd4\u56de\u7ed9\u7528\u6237\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"Ly7li\">\u4e00\u3001\u4f9d\u8d56\u7684\u6570\u636e\u7ed3\u6784<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"Nw8C7\">01\u3001MySQL\u8868\u7ed3\u6784<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">document_vectors \u8868\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u5b57\u6bb5\u540d<\/th><th>\u7c7b\u578b<\/th><th>\u63cf\u8ff0<\/th><\/tr><\/thead><tbody><tr><td>vector_id<\/td><td>BIGINT AUTO_INCREMENT<\/td><td>\u4e3b\u952e\uff0c\u81ea\u589eID<\/td><\/tr><tr><td>file_md5<\/td><td>CHAR(32)<\/td><td>\u6587\u4ef6\u6307\u7eb9\uff0c\u7528\u4e8e\u5173\u8054file_upload\u8868<\/td><\/tr><tr><td>chunk_id<\/td><td>INT<\/td><td>\u6587\u672c\u5206\u5757\u5e8f\u53f7<\/td><\/tr><tr><td>text_content<\/td><td>LONGTEXT<\/td><td>\u539f\u59cb\u6587\u672c\u5185\u5bb9<\/td><\/tr><tr><td>model_version<\/td><td>VARCHAR(32)<\/td><td>\u751f\u6210\u5411\u91cf\u6240\u4f7f\u7528\u7684\u6a21\u578b\u7248\u672c<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u5efa\u8868\u8bed\u53e5\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>-- \u521b\u5efafile_upload\u8868\nCREATE TABLE `file_upload` (\n  `file_md5` CHAR(32) PRIMARY KEY COMMENT '\u6587\u4ef6\u6307\u7eb9',\n  `file_name` VARCHAR(255) NOT NULL COMMENT '\u6587\u4ef6\u540d',\n  `total_size` BIGINT UNSIGNED NOT NULL COMMENT '\u6587\u4ef6\u5927\u5c0f\uff08\u5b57\u8282\u6570\uff09',\n  `status` TINYINT(1) NOT NULL COMMENT '\u6587\u4ef6\u72b6\u6001',\n  `user_id` VARCHAR(64) NOT NULL COMMENT '\u7528\u6237\u6807\u8bc6',\n  `created_at` DATETIME DEFAULT CURRENT_TIMESTAMP COMMENT '\u6587\u4ef6\u521b\u5efa\u65f6\u95f4',\n  `merged_at` DATETIME COMMENT '\u6587\u4ef6\u5408\u5e76\u5b8c\u6210\u65f6\u95f4',\n  INDEX `idx_user_id` (`user_id`),\n  INDEX `idx_status` (`status`),\n  INDEX `idx_created_at` (`created_at`)\n) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci COMMENT='\u6587\u4ef6\u4e0a\u4f20\u4fe1\u606f\u8868';\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">file_upload \u8868\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u5b57\u6bb5\u540d<\/th><th>\u7c7b\u578b<\/th><th>\u63cf\u8ff0<\/th><\/tr><\/thead><tbody><tr><td>file_md5<\/td><td>CHAR(32) PRIMARY KEY<\/td><td>\u6587\u4ef6\u6307\u7eb9<\/td><\/tr><tr><td>file_name<\/td><td>VARCHAR(255)<\/td><td>\u6587\u4ef6\u540d<\/td><\/tr><tr><td>total_size<\/td><td>BIGINT UNSIGNED<\/td><td>\u6587\u4ef6\u5927\u5c0f\uff08\u5b57\u8282\u6570\uff09<\/td><\/tr><tr><td>status<\/td><td>TINYINT(1)<\/td><td>\u6587\u4ef6\u72b6\u6001<\/td><\/tr><tr><td>user_id<\/td><td>VARCHAR(64)<\/td><td>\u7528\u6237\u6807\u8bc6<\/td><\/tr><tr><td>created_at<\/td><td>DATETIME DEFAULT CURRENT_TIMESTAMP<\/td><td>\u6587\u4ef6\u521b\u5efa\u65f6\u95f4<\/td><\/tr><tr><td>merged_at<\/td><td>DATETIME<\/td><td>\u6587\u4ef6\u5408\u5e76\u5b8c\u6210\u65f6\u95f4<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u5efa\u8868\u8bed\u53e5\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>-- \u521b\u5efadocument_vectors\u8868\nCREATE TABLE `document_vectors` (\n  `vector_id` BIGINT NOT NULL AUTO_INCREMENT PRIMARY KEY COMMENT '\u4e3b\u952e\uff0c\u81ea\u589eID',\n  `file_md5` CHAR(32) NOT NULL COMMENT '\u6587\u4ef6\u6307\u7eb9\uff0c\u7528\u4e8e\u5173\u8054file_upload\u8868',\n  `chunk_id` INT NOT NULL COMMENT '\u6587\u672c\u5206\u5757\u5e8f\u53f7',\n  `text_content` LONGTEXT NOT NULL COMMENT '\u539f\u59cb\u6587\u672c\u5185\u5bb9',\n  `model_version` VARCHAR(32) NOT NULL COMMENT '\u751f\u6210\u5411\u91cf\u6240\u4f7f\u7528\u7684\u6a21\u578b\u7248\u672c',\n  INDEX `idx_file_md5` (`file_md5`),\n  INDEX `idx_file_chunk` (`file_md5`, `chunk_id`),\n  INDEX `idx_model_version` (`model_version`),\n  CONSTRAINT `fk_document_vectors_file` FOREIGN KEY (`file_md5`) REFERENCES `file_upload` (`file_md5`) ON DELETE CASCADE ON UPDATE CASCADE\n) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci COMMENT='\u6587\u6863\u5411\u91cf\u5b58\u50a8\u8868';\n<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"rD7FF\">02\u3001Elasticsearch\u7d22\u5f15\u7ed3\u6784<\/h3>\n\n\n\n<figure class=\"wp-block-image\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/zero-zl.cn\/wp-content\/uploads\/2025\/10\/3b00f015be5594b6768b14888d8ef45a.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  loading=\"lazy\" decoding=\"async\" width=\"1738\" height=\"1390\" data-original=\"https:\/\/zero-zl.cn\/wp-content\/uploads\/2025\/10\/3b00f015be5594b6768b14888d8ef45a.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" class=\"wp-image-2441\"  sizes=\"auto, (max-width: 1738px) 100vw, 1738px\" \/><\/div><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"OUvGb\">\u4e8c\u3001\u63a5\u53e3\u8bbe\u8ba1<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"bIMJ2\">01\u3001 \u6df7\u5408\u641c\u7d22\u63a5\u53e3<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>URL:\u00a0<code>\/api\/search\/hybrid<\/code><\/li>\n\n\n\n<li>Method: GET<\/li>\n\n\n\n<li>Parameters:\n<ul class=\"wp-block-list\">\n<li>query: \u641c\u7d22\u67e5\u8be2\u5b57\u7b26\u4e32\uff08\u5fc5\u9700\uff09<\/li>\n\n\n\n<li>topK: \u8fd4\u56de\u7ed3\u679c\u6570\u91cf\uff08\u53ef\u9009\uff0c\u9ed8\u8ba410\uff09<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u793a\u4f8b:<\/strong>&nbsp;\/api\/search\/hybrid?query=\u6c89\u9ed8\u738b\u4e8c\u662f\u6c99\u96d5&amp;topK=10<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Response:<\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-code\"><code>&#91;\n  {\n    \"file_md5\": \"abc123...\",\n    \"chunk_id\": 1,\n    \"text_content\": \"\u6c89\u9ed8\u738b\u4e8c\u786e\u5b9e\u662f\u6c99\u96d5\uff0c\u4f60\u8bf4\u7684\u6ca1\u9519\u3002\",\n    \"score\": 0.92,\n    \"file_name\": \"paismart.pdf\"\n  },\n  \/\/ ...\u66f4\u591a\u7ed3\u679c\n]\n<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"pzN0G\">02\u3001\u6587\u6863\u5220\u9664\u63a5\u53e3<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>URL:\u00a0<code>\/api\/documents\/{file_md5}<\/code><\/li>\n\n\n\n<li>Method: DELETE<\/li>\n\n\n\n<li>Path Parameters:\n<ul class=\"wp-block-list\">\n<li><code>file_md5<\/code>: \u8981\u5220\u9664\u7684\u6587\u4ef6\u552f\u4e00\u6807\u8bc6\uff08MD5\u503c\uff09<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>Headers:\n<ul class=\"wp-block-list\">\n<li><code>Authorization<\/code>: Bearer {token} \uff08\u7528\u4e8e\u8eab\u4efd\u9a8c\u8bc1\uff09<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>Response:\n<ul class=\"wp-block-list\">\n<li>\u6210\u529f\u54cd\u5e94\uff1a<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-code\"><code>{\n  \"status\": \"success\",\n  \"message\": \"\u6587\u6863\u5220\u9664\u6210\u529f\"\n}\n<\/code><\/pre>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u6587\u6863\u4e0d\u5b58\u5728\uff1a<\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-code\"><code>{\n  \"status\": \"error\",\n  \"message\": \"\u6587\u6863\u4e0d\u5b58\u5728\"\n}\n<\/code><\/pre>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u6743\u9650\u4e0d\u8db3\uff1a<\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-code\"><code>{\n  \"status\": \"error\",\n  \"message\": \"\u6ca1\u6709\u6743\u9650\u5220\u9664\u6b64\u6587\u6863\"\n}\n<\/code><\/pre>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u670d\u52a1\u5668\u9519\u8bef\uff1a<\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-code\"><code>{\n  \"status\": \"error\",\n  \"message\": \"\u5220\u9664\u6587\u6863\u5931\u8d25: \u8be6\u7ec6\u9519\u8bef\u4fe1\u606f\"\n}\n<\/code><\/pre>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"dxjXS\">\u4e09\u3001\u6d3e\u806a\u660e\u53d1\u5c55\u9636\u6bb5<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"TL0G2\">\u7b2c\u4e00\u9636\u6bb5\uff1aElasticsearch\u652f\u6301\u5168\u6587\u68c0\u7d22\u548c\u5411\u91cf\u68c0\u7d22<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u5728\u5f53\u524d\u9636\u6bb5\uff0c\u6d3e\u806a\u660e\u7cfb\u7edf\u57fa\u4e8e Elasticsearch \u7684\u5f3a\u5927\u529f\u80fd\uff0c\u6210\u529f\u96c6\u6210\u4e86\u4e24\u79cd\u4e3b\u8981\u7684\u68c0\u7d22\u80fd\u529b\uff1a<strong>\u5168\u6587\u68c0\u7d22<\/strong>&nbsp;\u548c&nbsp;<strong>\u5411\u91cf\u68c0\u7d22<\/strong>\uff0c\u5e76\u5b9e\u73b0\u4e86\u5b83\u4eec\u7684\u9ad8\u6548\u878d\u5408\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u9996\u5148\uff0c\u5728\u5168\u6587\u68c0\u7d22\u65b9\u9762\uff0c\u6211\u4eec\u501f\u52a9 Elasticsearch \u5f3a\u5927\u7684\u6587\u672c\u7d22\u5f15\u80fd\u529b\uff0c\u914d\u5408 IK \u5206\u8bcd\u5668\uff0c\u5b9e\u73b0\u4e86\u5bf9\u4e2d\u6587\u5185\u5bb9\u7684\u9ad8\u6548\u652f\u6301\u3002\u7cfb\u7edf\u4f1a\u5bf9\u6587\u6863\u4e2d\u7684 text_content \u5b57\u6bb5\u8fdb\u884c\u7d22\u5f15\u548c\u5339\u914d\uff0c\u7528\u6237\u8f93\u5165\u7684\u5173\u952e\u8bcd\u53ef\u4ee5\u88ab\u51c6\u786e\u5730\u5206\u8bcd\u5e76\u68c0\u7d22\u5230\u76f8\u5173\u5185\u5bb9\uff0c\u5b9e\u73b0\u4e86\u7c7b\u767e\u5ea6\u5f0f\u7684\u6587\u672c\u641c\u7d22\u4f53\u9a8c\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5176\u6b21\uff0c\u5728\u8bed\u4e49\u68c0\u7d22\u65b9\u9762\uff0c\u6211\u4eec\u5229\u7528\u4e86 Elasticsearch 7.x \u53ca\u4ee5\u4e0a\u7248\u672c\u5bf9 dense_vector \u7c7b\u578b\u7684\u652f\u6301\u3002\u901a\u8fc7\u811a\u672c\u6253\u5206\u673a\u5236\uff0c\u7cfb\u7edf\u53ef\u4ee5\u6839\u636e\u7528\u6237\u67e5\u8be2\u5411\u91cf\u4e0e\u6587\u6863\u4e2d vector \u5b57\u6bb5\u4e4b\u95f4\u7684\u76f8\u4f3c\u5ea6\u8fdb\u884c\u6392\u5e8f\uff0c\u4ece\u800c\u5b9e\u73b0\u66f4\u201c\u61c2\u4f60\u201d\u7684\u8bed\u4e49\u5339\u914d\u80fd\u529b\u3002\u8fd9\u79cd\u65b9\u5f0f\u7279\u522b\u9002\u5408\u5904\u7406\u7528\u6237\u63d0\u51fa\u7684\u81ea\u7136\u8bed\u8a00\u67e5\u8be2\uff0c\u6bd4\u5982\u95ee\u9898\u6216\u53e5\u5b50\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u66f4\u8fdb\u4e00\u6b65\u7684\u662f\uff0c\u7cfb\u7edf\u8fd8\u5b9e\u73b0\u4e86<strong>\u6df7\u5408\u68c0\u7d22<\/strong>\uff0c\u4e5f\u5c31\u662f\u8bf4\uff1a\u5728\u4e00\u6b21\u67e5\u8be2\u8bf7\u6c42\u4e2d\uff0c\u65e2\u80fd\u8fdb\u884c\u5173\u952e\u8bcd\u5339\u914d\uff08\u5168\u6587\u68c0\u7d22\uff09\uff0c\u53c8\u80fd\u505a\u8bed\u4e49\u76f8\u4f3c\u5ea6\u8ba1\u7b97\uff08\u5411\u91cf\u68c0\u7d22\uff09\u3002\u901a\u8fc7\u8bbe\u7f6e\u5185\u90e8\u6743\u91cd\uff0c\u6211\u4eec\u53ef\u4ee5\u7075\u6d3b\u5730\u8c03\u8282\u4e24\u79cd\u68c0\u7d22\u65b9\u5f0f\u5bf9\u6700\u7ec8\u7ed3\u679c\u7684\u5f71\u54cd\uff0c\u5b9e\u73b0\u66f4\u52a0\u7cbe\u51c6\u548c\u4e2a\u6027\u5316\u7684\u6392\u5e8f\u3002\u540c\u65f6\uff0c\u7531\u4e8e\u662f\u5355\u6b21\u8bf7\u6c42\u53d1\u5f80 Elasticsearch\uff0c\u4e0d\u4ec5\u51cf\u5c11\u4e86\u7f51\u7edc\u5ef6\u8fdf\uff0c\u4e5f\u964d\u4f4e\u4e86\u6574\u4f53\u7684\u7cfb\u7edf\u590d\u6742\u5ea6\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd9\u6837\u7684\u67b6\u6784\u8bbe\u8ba1\u5e26\u6765\u4e86\u4e0d\u5c11\u4f18\u52bf\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u4f7f\u7528 Elasticsearch \u4f5c\u4e3a\u7edf\u4e00\u7684\u5e95\u5c42\u5f15\u64ce\uff0c\u67b6\u6784\u975e\u5e38\u7b80\u5355\uff1b<\/li>\n\n\n\n<li>\u8fd0\u7ef4\u6210\u672c\u4f4e\uff0c\u4e0d\u9700\u8981\u989d\u5916\u5f15\u5165\u590d\u6742\u7684\u5411\u91cf\u6570\u636e\u5e93\uff1b<\/li>\n\n\n\n<li>\u6df7\u5408\u68c0\u7d22\u5b9e\u73b0\u8def\u5f84\u6e05\u6670\uff0c\u5f00\u53d1\u8fed\u4ee3\u6548\u7387\u9ad8\u3002<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e0d\u8fc7\u6211\u4eec\u4e5f\u6e05\u695a\u5730\u8ba4\u8bc6\u5230\u8fd9\u5957\u65b9\u6848\u7684\u5c40\u9650\u6027\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5411\u91cf\u68c0\u7d22\u7684\u6027\u80fd\u74f6\u9888\u660e\u663e\uff0c\u96be\u4ee5\u652f\u6491\u5927\u89c4\u6a21\u5411\u91cf\u6570\u636e\u7684\u5feb\u901f\u68c0\u7d22\uff1b<\/li>\n\n\n\n<li>\u5c24\u5176\u5728\u5e76\u53d1\u8bbf\u95ee\u91cf\u5927\u65f6\uff0c\u5185\u5b58\u548c\u8ba1\u7b97\u8d44\u6e90\u6d88\u8017\u8f83\u9ad8\uff1b<\/li>\n\n\n\n<li>\u968f\u7740\u6570\u636e\u89c4\u6a21\u7684\u6269\u5927\uff0c\u6574\u4f53\u7684\u68c0\u7d22\u54cd\u5e94\u65f6\u95f4\u4e5f\u4f1a\u53d8\u957f\uff0c\u7528\u6237\u4f53\u9a8c\u53ef\u80fd\u53d7\u5230\u5f71\u54cd\u3002<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u56e0\u6b64\uff0c\u8fd9\u5957\u57fa\u4e8e Elasticsearch \u7684\u6df7\u5408\u68c0\u7d22\u65b9\u6848\uff0c\u9002\u5408\u7528\u5728\u4e2d\u5c0f\u89c4\u6a21\u573a\u666f\uff0c\u6216\u8005\u5bf9\u68c0\u7d22\u5b9e\u65f6\u6027\u8981\u6c42\u4e0d\u662f\u7279\u522b\u9ad8\u7684\u4e1a\u52a1\u3002\u5728\u540e\u7eed\u7cfb\u7edf\u6f14\u8fdb\u4e2d\uff0c\u6211\u4eec\u4e5f\u4f1a\u8bc4\u4f30\u662f\u5426\u5f15\u5165\u66f4\u4e13\u4e1a\u7684\u5411\u91cf\u68c0\u7d22\u5f15\u64ce\uff08\u5982 Faiss\uff09\u4ee5\u8fdb\u4e00\u6b65\u63d0\u5347\u6027\u80fd\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"TUdiC\">\u7b2c\u4e8c\u9636\u6bb5\uff1a\u96c6\u6210FAISS\u63d0\u5347\u5411\u91cf\u68c0\u7d22\u6027\u80fd<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e3a\u8fdb\u4e00\u6b65\u63d0\u5347\u7cfb\u7edf\u5728\u5927\u89c4\u6a21\u8bed\u4e49\u68c0\u7d22\u573a\u666f\u4e0b\u7684\u6027\u80fd\u548c\u6269\u5c55\u80fd\u529b\uff0c\u6d3e\u806a\u660e\u7cfb\u7edf\u8ba1\u5212\u5728\u672a\u6765\u9636\u6bb5\u5f15\u5165\u4e13\u7528\u7684\u5411\u91cf\u68c0\u7d22\u5f15\u64ce \u2014\u2014&nbsp;<strong>FAISS<\/strong>\u3002\u8be5\u4f18\u5316\u5c06\u4ee5\u201c\u804c\u8d23\u5206\u79bb + \u53cc\u5f15\u64ce\u534f\u540c\u201d\u7684\u65b9\u5f0f\u8fdb\u884c\uff0c\u76ee\u7684\u662f\u5728\u4fdd\u6301\u5f53\u524d\u529f\u80fd\u4e0d\u53d8\u7684\u524d\u63d0\u4e0b\uff0c\u5b9e\u73b0\u66f4\u4e13\u4e1a\u3001\u66f4\u9ad8\u6027\u80fd\u7684\u5411\u91cf\u8ba1\u7b97\u80fd\u529b\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5728\u65b0\u67b6\u6784\u4e2d\uff0c\u6211\u4eec\u5c06\u5bf9\u68c0\u7d22\u529f\u80fd\u8fdb\u884c\u660e\u786e\u5206\u5de5\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Elasticsearch<\/strong>\u00a0\u7ee7\u7eed\u627f\u62c5\u5168\u6587\u68c0\u7d22\u548c\u6587\u6863\u5143\u4fe1\u606f\u5b58\u50a8\u7684\u804c\u8d23\uff0c\u5229\u7528\u5176\u6210\u719f\u7684\u6587\u672c\u7d22\u5f15\u548c\u8fc7\u6ee4\u80fd\u529b\uff1b<\/li>\n\n\n\n<li><strong>FAISS<\/strong>\u00a0\u4e13\u6ce8\u5904\u7406\u9ad8\u7ef4\u5411\u91cf\u76f8\u4f3c\u5ea6\u8ba1\u7b97\uff0c\u53d1\u6325\u5176\u5728\u5927\u89c4\u6a21\u5411\u91cf\u6570\u636e\u5904\u7406\u4e2d\u7684\u4f18\u52bf\uff0c\u5982\u5feb\u901f TopK \u68c0\u7d22\u3001\u5411\u91cf\u538b\u7f29\u7b49\u3002<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u901a\u8fc7\u8fd9\u6837\u7684\u5206\u5de5\uff0c\u53ef\u4ee5\u5145\u5206\u53d1\u6325\u4e24\u4e2a\u5f15\u64ce\u7684\u4e13\u957f\uff0c\u907f\u514d\u6027\u80fd\u74f6\u9888\u3002\u4e3a\u4fdd\u969c\u7cfb\u7edf\u53ef\u7ef4\u62a4\u6027\u4e0e\u6269\u5c55\u6027\uff0c\u672a\u6765\u7684\u68c0\u7d22\u67b6\u6784\u5c06\u505a\u5982\u4e0b\u4f18\u5316\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u53cc\u5f15\u64ce\u534f\u540c\u5904\u7406<\/strong>\uff1a\u7cfb\u7edf\u5c06\u5efa\u7acb Elasticsearch \u4e0e FAISS 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