{"id":546,"date":"2019-04-16T15:36:05","date_gmt":"2019-04-16T07:36:05","guid":{"rendered":"https:\/\/fick707.com\/?p=546"},"modified":"2019-04-16T15:37:56","modified_gmt":"2019-04-16T07:37:56","slug":"elasticsearch-core-concepts","status":"publish","type":"post","link":"https:\/\/fick707.com\/?p=546","title":{"rendered":"Elasticsearch \u6838\u5fc3\u6982\u5ff5"},"content":{"rendered":"

\u63a5\u8fd1\u5b9e\u65f6(NRT)\ue157<\/a><\/h2>\n

ES\u662f\u4e00\u4e2a\u63a5\u8fd1\u5b9e\u65f6\u7684\u641c\u7d22\u5e73\u53f0\uff1b\u6587\u6863\u641c\u7d22\u5728\u8f7b\u5fae\u5ef6\u8fdf\u4e4b\u5185\uff0c\u901a\u5e38\u662f1s\u3002<\/p>\n

\u96c6\u7fa4(cluster)\ue157<\/a><\/h2>\n
    \n
  1. \u591a\u4e2a\u8282\u70b9\u7ec4\u7ec7\u6210\u7684\u96c6\u7fa4\uff0c\u5171\u540c\u6301\u6709\u6574\u4e2a\u6570\u636e\uff1b<\/li>\n
  2. \u96c6\u7fa4\u6709\u4e00\u4e2a\u552f\u4e00\u6807\u8bc6\uff08\u9ed8\u8ba4\u6807\u8bc6\u662f\u201delasticsearch\u201d\uff09\uff0c\u8282\u70b9\u901a\u8fc7\u8be5\u6807\u8bc6\u52a0\u5165\u8be5\u96c6\u7fa4\uff1b<\/li>\n<\/ol>\n

    \u8282\u70b9(node)\ue157<\/a><\/h2>\n
      \n
    1. \u96c6\u7fa4\u4e2d\u7684\u4e00\u4e2a\u670d\u52a1\u5668\uff0c\u4f5c\u4e3a\u96c6\u7fa4\u7684\u4e00\u90e8\u5206\uff0c\u53c2\u4e0e\u6570\u636e\u7684\u5b58\u50a8\uff0c\u7d22\u5f15\u548c\u641c\u7d22\u529f\u80fd\u3002<\/li>\n
    2. \u6bcf\u4e00\u4e2a\u8282\u70b9\u6709\u4e00\u4e2a\u96c6\u7fa4\u5185\u7684\u552f\u4e00\u6807\u8bc6\uff08\u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff0c\u8282\u70b9\u7684\u6807\u8bc6\u662f\u4e00\u4e2a\u968f\u673a\u7684\u6f2b\u5a01\u6f2b\u753b\u7684\u89d2\u8272\uff09\u3002<\/li>\n
    3. \u96c6\u7fa4\u4e2d\u7684\u7b2c\u4e00\u4e2a\u8282\u70b9\u521b\u5efa\u65f6\uff0c\u4ed6\u4f1a\u9ed8\u8ba4\u521b\u5efa\u4e00\u4e2a\u96c6\u7fa4\u3002<\/li>\n<\/ol>\n

      \u7d22\u5f15(index)\ue157<\/a><\/h2>\n
        \n
      1. \u4e00\u4e2a\u7d22\u5f15\u5c31\u662f\u4e00\u4e2a\u62e5\u6709\u51e0\u5206\u76f8\u4f3c\u7279\u5f81\u7684\u6587\u6863\u7684\u96c6\u5408\u3002<\/li>\n
      2. \u4e00\u4e2a\u96c6\u7fa4\u4e2d\u53ef\u4ee5\u62e5\u6709\u4efb\u610f\u591a\u4e2a\u7d22\u5f15\u3002<\/li>\n<\/ol>\n

        \u7c7b\u578b(type)\ue157<\/a><\/h2>\n
          \n
        1. \u4e00\u4e2a\u7d22\u5f15\u53ef\u4ee5\u5b9a\u4e49\u4e00\u4e2a\u6216\u8005\u591a\u4e2a\u7c7b\u578b\u3002<\/li>\n<\/ol>\n

          \u6587\u6863(document)\ue157<\/a><\/h2>\n
            \n
          1. \u6587\u6863\u662f\u4e00\u4e2a\u53ef\u88ab\u7d22\u5f15\u7684\u57fa\u672c\u4fe1\u606f\u5355\u5143\u3002<\/li>\n
          2. \u6587\u6863\u4ee5json\u683c\u5f0f\u8868\u793a\u3002<\/li>\n<\/ol>\n

            \u5206\u7247(shards)\ue157<\/a><\/h2>\n
              \n
            1. \u5c06\u7d22\u5f15\u5212\u5206\u6210\u591a\u4e2a\u5206\u7247\uff0c\u5206\u522b\u5b58\u50a8\u5728\u591a\u4e2a\u8282\u70b9\u4e0a\u3002<\/li>\n
            2. \u5141\u8bb8\u6c34\u5e73\u5206\u9694\/\u6269\u5c55\u5185\u5bb9\u5bb9\u91cf\u3002<\/li>\n
            3. \u5141\u8bb8\u5728\u5206\u7247\u4e0a\u8fdb\u884c\u5206\u5e03\u5f0f\u7684\uff0c\u5e76\u884c\u7684\u64cd\u4f5c\uff0c\u8fdb\u800c\u63d0\u5347\u6027\u80fd\/\u541e\u5410\u91cf\u3002<\/li>\n
            4. \u7d22\u5f15\u88ab\u521b\u5efa\u65f6\u6307\u5b9a\uff0c\u4e14\u4e0d\u80fd\u4fee\u6539\u3002<\/li>\n
            5. \u7d22\u5f15\u9ed8\u8ba45\u4e2a\u5206\u7247\u3002<\/li>\n<\/ol>\n

              \u590d\u5236(replicas)\ue157<\/a><\/h2>\n
                \n
              1. \u5206\u7247\u7684\u590d\u5236(\u5907\u4efd)\u3002<\/li>\n
              2. \u5b9e\u73b0\u6545\u969c\u8f6c\u79fb\uff0c\u9ad8\u53ef\u7528\u3002<\/li>\n
              3. \u7d22\u5f15\u521b\u5efa\u65f6\u6307\u5b9a\uff0c\u53ef\u4ee5\u52a8\u6001\u4fee\u6539\u3002<\/li>\n
              4. \u53ef\u4ee5\u4e0d\u590d\u5236\u5206\u7247\u3002<\/li>\n
              5. \u7d22\u5f151\u4efd\u590d\u5236\uff1b<\/li>\n<\/ol>\n

                \u67e5\u8be2\u7279\u6027\ue157<\/a><\/h2>\n
                  \n
                1. restful\u63a5\u53e3\u3002<\/li>\n
                2. \u63d0\u4f9b\u96c6\u7fa4\u5065\u5eb7\u72b6\u6001\u67e5\u8be2\u3002<\/li>\n
                3. \u63d0\u4f9b\u6240\u6709\u7ba1\u7406\u529f\u80fd\u63a5\u53e3\u3002<\/li>\n
                4. \u6570\u636e\u63a5\u53e3\uff1a\n
                    \n
                  1. \u7d22\u5f15\uff08\u65b0\u589e\uff09\u3001\u66f4\u65b0\u3001\u5220\u9664\uff1b<\/li>\n
                  2. \u652f\u6301\u6279\u5904\u7406\uff1b<\/li>\n
                  3. \u652f\u6301\u5404\u79cd\u7c7b\u578b\u7684match\u903b\u8f91\u64cd\u4f5c\uff0c\u4f8b\u5982must,should,must_not\u7b49\uff1b<\/li>\n
                  4. \u652f\u6301\u8fc7\u6ee4\uff0c\u4f8b\u5982\u533a\u95f4\uff1b<\/li>\n
                  5. \u652f\u6301\u805a\u5408\u529f\u80fd\uff1b<\/li>\n
                  6. \u65e0\u6e38\u6807\u64cd\u4f5c\uff1b<\/li>\n<\/ol>\n<\/li>\n<\/ol>\n","protected":false},"excerpt":{"rendered":"

                    \u63a5\u8fd1\u5b9e\u65f6(NRT)\ue157 ES\u662f\u4e00\u4e2a\u63a5\u8fd1\u5b9e\u65f6\u7684\u641c\u7d22\u5e73\u53f0\uff1b\u6587\u6863\u641c\u7d22\u5728\u8f7b\u5fae\u5ef6\u8fdf\u4e4b\u5185\uff0c\u901a\u5e38\u662f1s\u3002 \u96c6\u7fa4(cl …<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"series":[],"class_list":["post-546","post","type-post","status-publish","format-standard","hentry","category-programmers"],"_links":{"self":[{"href":"https:\/\/fick707.com\/index.php?rest_route=\/wp\/v2\/posts\/546"}],"collection":[{"href":"https:\/\/fick707.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/fick707.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/fick707.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/fick707.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=546"}],"version-history":[{"count":1,"href":"https:\/\/fick707.com\/index.php?rest_route=\/wp\/v2\/posts\/546\/revisions"}],"predecessor-version":[{"id":547,"href":"https:\/\/fick707.com\/index.php?rest_route=\/wp\/v2\/posts\/546\/revisions\/547"}],"wp:attachment":[{"href":"https:\/\/fick707.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=546"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fick707.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=546"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fick707.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=546"},{"taxonomy":"series","embeddable":true,"href":"https:\/\/fick707.com\/index.php?rest_route=%2Fwp%2Fv2%2Fseries&post=546"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}