{"id":16344,"date":"2023-12-05T10:12:30","date_gmt":"2023-12-05T02:12:30","guid":{"rendered":"https:\/\/wx.kaifamiao.info\/?p=16344"},"modified":"2023-12-16T14:04:13","modified_gmt":"2023-12-16T06:04:13","slug":"elasticsearch-zhong-dui-yu-da-shu-ju-liang-shang-y","status":"publish","type":"post","link":"http:\/\/wx.kaifamiao.info\/index.php\/2023\/12\/05\/elasticsearch-zhong-dui-yu-da-shu-ju-liang-shang-y\/","title":{"rendered":"Elasticsearch\u4e2d\u5bf9\u4e8e\u5927\u6570\u636e\u91cf\uff08\u4e0a\u4ebf\u91cf\u7ea7\uff09\u7684\u805a\u5408\u5982\u4f55\u5b9e\u73b0\uff1f"},"content":{"rendered":"<p>\u5bf9\u4e8e\u5927\u6570\u636e\u91cf\uff08\u4e0a\u4ebf\u91cf\u7ea7\uff09\u7684\u805a\u5408\u64cd\u4f5c\uff0cElasticsearch\u63d0\u4f9b\u4e86\u4e00\u4e9b\u4f18\u5316\u548c\u8c03\u6574\u9009\u9879\uff0c\u4ee5\u786e\u4fdd\u6027\u80fd\u548c\u6548\u7387\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5efa\u8bae\uff1a<\/p>\n<ol>\n<li>\n<strong>\u5408\u7406\u8bbe\u7f6eShard\u6570\uff1a<\/strong><\/p>\n<ul>\n<li>\u5728\u7d22\u5f15\u521b\u5efa\u65f6\uff0c\u786e\u4fdd\u4e3a\u7d22\u5f15\u5206\u914d\u8db3\u591f\u7684\u5206\u7247\u6570\u3002\u5206\u7247\u6570\u7684\u9009\u62e9\u76f4\u63a5\u5f71\u54cd\u5e76\u884c\u8ba1\u7b97\u7684\u80fd\u529b\u3002\u5bf9\u4e8e\u5927\u6570\u636e\u91cf\uff0c\u5206\u7247\u6570\u901a\u5e38\u9700\u8981\u8bbe\u7f6e\u5f97\u66f4\u9ad8\uff0c\u4ee5\u4fbf\u66f4\u597d\u5730\u5229\u7528\u96c6\u7fa4\u4e2d\u7684\u591a\u4e2a\u8282\u70b9\u3002<\/li>\n<\/ul>\n<pre><code class=\"language-json\">PUT \/your_index\n{\n  &quot;settings&quot;: {\n    &quot;number_of_shards&quot;: 5,\n    &quot;number_of_replicas&quot;: 1\n  },\n  &quot;mappings&quot;: {\n    \/\/ Your mappings here\n  }\n}\n<\/code><\/pre>\n<\/li>\n<li>\n<strong>\u4f7f\u7528\u7d22\u5f15\u6a21\u677f\uff1a<\/strong><\/p>\n<ul>\n<li>\u901a\u8fc7\u7d22\u5f15\u6a21\u677f\uff0c\u4f60\u53ef\u4ee5\u5728\u7d22\u5f15\u521b\u5efa\u65f6\u81ea\u52a8\u5e94\u7528\u7279\u5b9a\u7684\u8bbe\u7f6e\uff0c\u5305\u62ec\u5206\u7247\u6570\u548c\u526f\u672c\u6570\u3002\u8fd9\u6837\u53ef\u4ee5\u786e\u4fdd\u6240\u6709\u7684\u7d22\u5f15\u90fd\u9075\u5faa\u76f8\u540c\u7684\u8bbe\u7f6e\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\n<strong>\u4f18\u5316\u6620\u5c04\uff08Mapping\uff09\uff1a<\/strong><\/p>\n<ul>\n<li>\u786e\u4fdd\u6620\u5c04\uff08\u5b57\u6bb5\u7c7b\u578b\u3001\u5206\u6790\u5668\u7b49\uff09\u662f\u5408\u7406\u4e14\u9002\u5f53\u7684\u3002\u8fc7\u4e8e\u590d\u6742\u7684\u6620\u5c04\u53ef\u80fd\u5bfc\u81f4\u805a\u5408\u64cd\u4f5c\u7684\u6027\u80fd\u4e0b\u964d\u3002\u9700\u8981\u6839\u636e\u5b9e\u9645\u9700\u6c42\u6765\u8bbe\u8ba1\u6620\u5c04\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\n<strong>\u4f7f\u7528Filter\u800c\u975eQuery\uff1a<\/strong><\/p>\n<ul>\n<li>\u5728\u805a\u5408\u4e2d\uff0c\u5982\u679c\u53ea\u662f\u4e3a\u4e86\u7b5b\u9009\u6570\u636e\u800c\u4e0d\u9700\u8981\u8ba1\u7b97\u76f8\u5173\u6027\u5206\u6570\uff0c\u6700\u597d\u4f7f\u7528<code>filter<\/code>\u800c\u4e0d\u662f<code>query<\/code>\u3002<code>filter<\/code>\u66f4\u5feb\u4e14\u5bf9\u7f13\u5b58\u7684\u5229\u7528\u66f4\u597d\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\n<strong>\u7f13\u5b58\u9891\u7e41\u4f7f\u7528\u7684\u805a\u5408\uff1a<\/strong><\/p>\n<ul>\n<li>\u5bf9\u4e8e\u90a3\u4e9b\u7ecf\u5e38\u4f7f\u7528\u7684\u805a\u5408\uff0c\u53ef\u4ee5\u542f\u7528Elasticsearch\u7684\u7f13\u5b58\u6765\u63d0\u9ad8\u6027\u80fd\u3002\u4f60\u53ef\u4ee5\u4f7f\u7528<code>filter_cache<\/code>\u548c<code>field_data<\/code>\u7f13\u5b58\u6765\u51cf\u5c11\u76f8\u540c\u67e5\u8be2\u7684\u8ba1\u7b97\u65f6\u95f4\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\n<strong>\u4f7f\u7528Sampler Aggregation\uff1a<\/strong><\/p>\n<ul>\n<li>\u5bf9\u4e8e\u5927\u6570\u636e\u96c6\uff0c\u91c7\u6837\u662f\u63d0\u9ad8\u6027\u80fd\u7684\u4e00\u79cd\u65b9\u6cd5\u3002Elasticsearch\u4e2d\u6709\u4e00\u4e2a<code>sampler<\/code>\u805a\u5408\uff0c\u5b83\u53ef\u4ee5\u7528\u4e8e\u5bf9\u6570\u636e\u96c6\u8fdb\u884c\u91c7\u6837\uff0c\u4ee5\u4fbf\u66f4\u5feb\u5730\u751f\u6210\u805a\u5408\u7ed3\u679c\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\n<strong>\u907f\u514d\u8fc7\u5ea6\u5206\u6876\uff1a<\/strong><\/p>\n<ul>\n<li>\u5206\u6876\u662f\u805a\u5408\u7684\u57fa\u672c\u5355\u4f4d\uff0c\u4f46\u8fc7\u591a\u7684\u5206\u6876\u53ef\u80fd\u5bfc\u81f4\u6027\u80fd\u95ee\u9898\u3002\u786e\u4fdd\u4f60\u771f\u6b63\u9700\u8981\u5927\u91cf\u5206\u6876\uff0c\u6216\u8005\u8003\u8651\u8c03\u6574\u5206\u6876\u5927\u5c0f\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\n<strong>\u4f7f\u7528Scroll API\u8fdb\u884c\u5927\u6279\u91cf\u6570\u636e\u7684\u805a\u5408\uff1a<\/strong><\/p>\n<ul>\n<li>\u5bf9\u4e8e\u5927\u6570\u636e\u91cf\uff0c\u4f7f\u7528Scroll API\u53ef\u4ee5\u66f4\u6709\u6548\u5730\u5904\u7406\u5206\u9875\u64cd\u4f5c\uff0c\u800c\u4e0d\u662f\u4e00\u6b21\u6027\u68c0\u7d22\u6240\u6709\u6570\u636e\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\n<strong>\u5347\u7ea7\u81f3\u6700\u65b0\u7248\u672c\uff1a<\/strong><\/p>\n<ul>\n<li>\u786e\u4fdd\u4f60\u6b63\u5728\u4f7f\u7528Elasticsearch\u7684\u6700\u65b0\u7248\u672c\uff0c\u56e0\u4e3a\u65b0\u7248\u672c\u901a\u5e38\u5305\u542b\u6027\u80fd\u6539\u8fdb\u548c\u4f18\u5316\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n<p>\u8bf7\u6ce8\u610f\uff0c\u4f18\u5316\u7684\u6700\u4f73\u5b9e\u8df5\u53ef\u80fd\u56e0\u5177\u4f53\u7684\u4f7f\u7528\u573a\u666f\u548c\u9700\u6c42\u800c\u5f02\uff0c\u56e0\u6b64\u5efa\u8bae\u6839\u636e\u5b9e\u9645\u60c5\u51b5\u8fdb\u884c\u6d4b\u8bd5\u548c\u8c03\u6574\u3002\u5728\u8fdb\u884c\u4f18\u5316\u65f6\uff0c\u59cb\u7ec8\u76d1\u89c6\u6027\u80fd\uff0c\u5e76\u6839\u636e\u9700\u8981\u8fdb\u884c\u8c03\u6574\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5bf9\u4e8e\u5927\u6570\u636e\u91cf\uff08\u4e0a\u4ebf\u91cf\u7ea7\uff09\u7684\u805a\u5408\u64cd\u4f5c\uff0cElasticsearch\u63d0\u4f9b\u4e86\u4e00\u4e9b\u4f18\u5316\u548c\u8c03\u6574\u9009\u9879\uff0c\u4ee5\u786e\u4fdd\u6027\u80fd\u548c\u6548\u7387\u3002\u4ee5\u4e0b [&hellip;]<\/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-16344","post","type-post","status-publish","format-standard","hentry","category-elasticsearch"],"_links":{"self":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/16344","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=16344"}],"version-history":[{"count":2,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/16344\/revisions"}],"predecessor-version":[{"id":48452,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/16344\/revisions\/48452"}],"wp:attachment":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/media?parent=16344"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/categories?post=16344"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/tags?post=16344"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}