{"id":16331,"date":"2023-12-05T10:09:16","date_gmt":"2023-12-05T02:09:16","guid":{"rendered":"https:\/\/wx.kaifamiao.info\/?p=16331"},"modified":"2023-12-16T14:07:52","modified_gmt":"2023-12-16T06:07:52","slug":"elasticsearch-zhong-sou-suo-de-guo-cheng","status":"publish","type":"post","link":"http:\/\/wx.kaifamiao.info\/index.php\/2023\/12\/05\/elasticsearch-zhong-sou-suo-de-guo-cheng\/","title":{"rendered":"Elasticsearch\u4e2d\u641c\u7d22\u7684\u8fc7\u7a0b\uff1f"},"content":{"rendered":"

Elasticsearch\u7684\u641c\u7d22\u8fc7\u7a0b\u662f\u4e00\u4e2a\u590d\u6742\u7684\u8fc7\u7a0b\uff0c\u6d89\u53ca\u591a\u4e2a\u6b65\u9aa4\uff0c\u4ece\u63a5\u6536\u7528\u6237\u67e5\u8be2\u5230\u8fd4\u56de\u67e5\u8be2\u7ed3\u679c\u3002\u4ee5\u4e0b\u662f Elasticsearch \u641c\u7d22\u7684\u57fa\u672c\u6b65\u9aa4\uff1a<\/p>\n

    \n
  1. \n\u63a5\u6536\u67e5\u8be2\u8bf7\u6c42\uff1a<\/strong><\/p>\n
      \n
    • \u7528\u6237\u53d1\u9001\u67e5\u8be2\u8bf7\u6c42\u5230 Elasticsearch \u7684 RESTful API\uff0c\u8bf7\u6c42\u4e2d\u5305\u542b\u4e86\u67e5\u8be2\u7684\u6761\u4ef6\u3001\u8fc7\u6ee4\u6761\u4ef6\u3001\u6392\u5e8f\u89c4\u5219\u7b49\u4fe1\u606f\u3002<\/li>\n<\/ul>\n<\/li>\n
    • \n\u67e5\u8be2\u89e3\u6790\uff08Query Parsing\uff09\uff1a<\/strong><\/p>\n
        \n
      • Elasticsearch \u63a5\u6536\u5230\u67e5\u8be2\u8bf7\u6c42\u540e\uff0c\u4f1a\u5bf9\u67e5\u8be2\u5b57\u7b26\u4e32\u8fdb\u884c\u89e3\u6790\uff0c\u5c06\u5176\u8f6c\u6362\u4e3a Elasticsearch \u53ef\u4ee5\u7406\u89e3\u7684\u6570\u636e\u7ed3\u6784\uff0c\u8fd9\u4e2a\u6570\u636e\u7ed3\u6784\u901a\u5e38\u662f\u67e5\u8be2 DSL\uff08Domain-Specific Language\uff09\u7684\u5f62\u5f0f\u3002<\/li>\n<\/ul>\n
        GET \/index\/_search\n{\n  "query": {\n    "match": {\n      "field": "value"\n    }\n  },\n  "size": 10,\n  "sort": [\n    {"timestamp": {"order": "desc"}}\n  ]\n}\n<\/code><\/pre>\n<\/li>\n
      • \n\u5efa\u7acb\u641c\u7d22\u4e0a\u4e0b\u6587\uff1a<\/strong><\/p>\n
          \n
        • Elasticsearch \u4f1a\u6839\u636e\u67e5\u8be2\u4fe1\u606f\u5efa\u7acb\u4e00\u4e2a\u641c\u7d22\u4e0a\u4e0b\u6587\uff0c\u5305\u62ec\u4e86\u67e5\u8be2\u7684\u76ee\u6807\u7d22\u5f15\u3001\u8981\u641c\u7d22\u7684\u5206\u7247\u3001\u67e5\u8be2\u7684\u6570\u636e\u7ed3\u6784\u7b49\u4fe1\u606f\u3002<\/li>\n<\/ul>\n<\/li>\n
        • \n\u5206\u8bcd\u548c\u8bcd\u6761\u5316\uff08Tokenization\uff09\uff1a<\/strong><\/p>\n
            \n
          • \u5bf9\u67e5\u8be2\u5b57\u7b26\u4e32\u8fdb\u884c\u5206\u8bcd\u548c\u8bcd\u6761\u5316\uff0c\u5c06\u67e5\u8be2\u5b57\u7b26\u4e32\u62c6\u5206\u6210\u4e00\u7ec4\u8bcd\u6761\uff08terms\uff09\u3002\u8fd9\u4e00\u8fc7\u7a0b\u901a\u5e38\u4f1a\u4f7f\u7528\u5206\u6790\u5668\uff08Analyzer\uff09\u6765\u6267\u884c\uff0c\u5206\u6790\u5668\u6839\u636e\u5b57\u6bb5\u7684\u6620\u5c04\u89c4\u5219\u5c06\u6587\u672c\u62c6\u5206\u6210\u5355\u8bcd\u3002<\/li>\n<\/ul>\n<\/li>\n
          • \n\u5012\u6392\u7d22\u5f15\u5339\u914d\uff1a<\/strong><\/p>\n
              \n
            • Elasticsearch \u4f7f\u7528\u5012\u6392\u7d22\u5f15\uff08Inverted Index\uff09\u6765\u67e5\u627e\u5339\u914d\u7684\u6587\u6863\u3002\u5b83\u6839\u636e\u67e5\u8be2\u4e2d\u7684\u8bcd\u6761\uff0c\u67e5\u627e\u5305\u542b\u8fd9\u4e9b\u8bcd\u6761\u7684\u6587\u6863\u7684\u6807\u8bc6\u7b26\u3002<\/li>\n<\/ul>\n<\/li>\n
            • \n\u8bc4\u5206\u548c\u6392\u5e8f\uff1a<\/strong><\/p>\n
                \n
              • Elasticsearch \u4f7f\u7528\u4e00\u79cd\u79f0\u4e3a TF-IDF\uff08Term Frequency-Inverse Document Frequency\uff09\u7684\u7b97\u6cd5\u6765\u8ba1\u7b97\u6bcf\u4e2a\u6587\u6863\u7684\u76f8\u5173\u6027\u5206\u6570\u3002\u76f8\u5173\u6027\u5206\u6570\u8003\u8651\u4e86\u67e5\u8be2\u4e2d\u7684\u8bcd\u6761\u5728\u6587\u6863\u4e2d\u7684\u9891\u7387\u4ee5\u53ca\u5728\u6574\u4e2a\u7d22\u5f15\u4e2d\u7684\u9891\u7387\u3002\u6700\u540e\uff0c\u6839\u636e\u76f8\u5173\u6027\u5206\u6570\u5bf9\u6587\u6863\u8fdb\u884c\u6392\u5e8f\u3002<\/li>\n<\/ul>\n<\/li>\n
              • \n\u8fd4\u56de\u7ed3\u679c\uff1a<\/strong><\/p>\n
                  \n
                • Elasticsearch \u8fd4\u56de\u6309\u7167\u76f8\u5173\u6027\u5206\u6570\u6392\u5e8f\u7684\u6587\u6863\u4f5c\u4e3a\u641c\u7d22\u7ed3\u679c\u3002\u641c\u7d22\u7ed3\u679c\u4e2d\u901a\u5e38\u5305\u62ec\u6587\u6863\u7684 ID\u3001\u76f8\u5173\u6027\u5206\u6570\u3001\u6587\u6863\u7684\u90e8\u5206\u6216\u5168\u90e8\u5185\u5bb9\u7b49\u4fe1\u606f\u3002<\/li>\n<\/ul>\n<\/li>\n
                • \n\u805a\u5408\u548c\u8fc7\u6ee4\uff1a<\/strong><\/p>\n
                    \n
                  • \u5982\u679c\u67e5\u8be2\u4e2d\u5305\u542b\u805a\u5408\uff08Aggregation\uff09\u6216\u8fc7\u6ee4\u6761\u4ef6\uff0cElasticsearch \u5c06\u5728\u641c\u7d22\u7ed3\u679c\u7684\u57fa\u7840\u4e0a\u6267\u884c\u8fd9\u4e9b\u805a\u5408\u548c\u8fc7\u6ee4\u64cd\u4f5c\uff0c\u4ee5\u751f\u6210\u6700\u7ec8\u7684\u67e5\u8be2\u7ed3\u679c\u3002<\/li>\n<\/ul>\n<\/li>\n
                  • \n\u8fd4\u56de\u67e5\u8be2\u7ed3\u679c\uff1a<\/strong><\/p>\n
                      \n
                    • Elasticsearch \u8fd4\u56de\u6700\u7ec8\u7684\u67e5\u8be2\u7ed3\u679c\u7ed9\u7528\u6237\u3002\u7528\u6237\u53ef\u4ee5\u901a\u8fc7 RESTful API \u83b7\u53d6 JSON \u683c\u5f0f\u7684\u67e5\u8be2\u7ed3\u679c\uff0c\u4ee5\u4fbf\u8fdb\u4e00\u6b65\u5904\u7406\u6216\u5c55\u793a\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n
                      \u8fd9\u4e2a\u6574\u4e2a\u8fc7\u7a0b\u662f\u9ad8\u5ea6\u4f18\u5316\u7684\uff0c\u501f\u52a9\u5012\u6392\u7d22\u5f15\u3001\u5206\u5e03\u5f0f\u8ba1\u7b97\u7b49\u6280\u672f\uff0c\u4f7f\u5f97 Elasticsearch \u80fd\u591f\u5728\u5927\u89c4\u6a21\u6570\u636e\u96c6\u4e0a\u5feb\u901f\u800c\u6709\u6548\u5730\u6267\u884c\u641c\u7d22\u64cd\u4f5c\u3002\u641c\u7d22\u8fc7\u7a0b\u7684\u6027\u80fd\u548c\u6548\u7387\u53d7\u591a\u4e2a\u56e0\u7d20\u5f71\u54cd\uff0c\u5305\u62ec\u7d22\u5f15\u8bbe\u8ba1\u3001\u6620\u5c04\u914d\u7f6e\u3001\u67e5\u8be2\u4f18\u5316\u7b49\u3002\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\uff0c\u5bf9\u8fd9\u4e9b\u56e0\u7d20\u8fdb\u884c\u4f18\u5316\u53ef\u4ee5\u63d0\u9ad8\u641c\u7d22\u6027\u80fd\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
                      Elasticsearch\u7684\u641c\u7d22\u8fc7\u7a0b\u662f\u4e00\u4e2a\u590d\u6742\u7684\u8fc7\u7a0b\uff0c\u6d89\u53ca\u591a\u4e2a\u6b65\u9aa4\uff0c\u4ece\u63a5\u6536\u7528\u6237\u67e5\u8be2\u5230\u8fd4\u56de\u67e5\u8be2\u7ed3\u679c\u3002\u4ee5\u4e0b\u662f El […]<\/p>\n","protected":false},"author":9,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[125],"tags":[],"class_list":["post-16331","post","type-post","status-publish","format-standard","hentry","category-elasticsearch"],"_links":{"self":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/16331","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/users\/9"}],"replies":[{"embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/comments?post=16331"}],"version-history":[{"count":2,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/16331\/revisions"}],"predecessor-version":[{"id":48458,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/16331\/revisions\/48458"}],"wp:attachment":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/media?parent=16331"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/categories?post=16331"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/tags?post=16331"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}