{"id":16324,"date":"2023-12-05T10:08:41","date_gmt":"2023-12-05T02:08:41","guid":{"rendered":"https:\/\/wx.kaifamiao.info\/?p=16324"},"modified":"2023-12-16T14:09:27","modified_gmt":"2023-12-16T06:09:27","slug":"elasticsearch-zhong-ke-hu-duan-zai-he-ji-qun-lian","status":"publish","type":"post","link":"http:\/\/wx.kaifamiao.info\/index.php\/2023\/12\/05\/elasticsearch-zhong-ke-hu-duan-zai-he-ji-qun-lian\/","title":{"rendered":"Elasticsearch\u4e2d\u5ba2\u6237\u7aef\u5728\u548c\u96c6\u7fa4\u8fde\u63a5\u65f6\uff0c\u5982\u4f55\u9009\u62e9\u7279\u5b9a\u7684\u8282 \u70b9\u6267\u884c\u8bf7\u6c42\u7684\uff1f"},"content":{"rendered":"<p>\u5728Elasticsearch\u4e2d\uff0c\u5ba2\u6237\u7aef\u5728\u4e0e\u96c6\u7fa4\u8fde\u63a5\u65f6\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u65b9\u5f0f\u9009\u62e9\u7279\u5b9a\u7684\u8282\u70b9\u6267\u884c\u8bf7\u6c42\uff1a<\/p>\n<ol>\n<li>\n<strong>\u901a\u8fc7\u8282\u70b9\u540d\u79f0\u6216\u5730\u5740\u76f4\u63a5\u8fde\u63a5\uff1a<\/strong><\/p>\n<ul>\n<li>\u5ba2\u6237\u7aef\u53ef\u4ee5\u76f4\u63a5\u6307\u5b9a\u8981\u8fde\u63a5\u7684\u7279\u5b9a\u8282\u70b9\u7684\u540d\u79f0\u6216IP\u5730\u5740\u3002\u8fd9\u79cd\u65b9\u5f0f\u5bf9\u4e8e\u660e\u786e\u77e5\u9053\u8981\u8fde\u63a5\u7684\u8282\u70b9\u5e76\u4e14\u4e0d\u9700\u8981\u8d1f\u8f7d\u5747\u8861\u7684\u60c5\u51b5\u662f\u6709\u6548\u7684\u3002<\/li>\n<\/ul>\n<pre><code class=\"language-python\">from elasticsearch import Elasticsearch\n\nes = Elasticsearch(['http:\/\/node1:9200'])\n<\/code><\/pre>\n<\/li>\n<li>\n<strong>\u901a\u8fc7\u8d1f\u8f7d\u5747\u8861\u5668\u6216\u4ee3\u7406\u8fde\u63a5\uff1a<\/strong><\/p>\n<ul>\n<li>\u5c06\u8d1f\u8f7d\u5747\u8861\u5668\u6216\u4ee3\u7406\u914d\u7f6e\u5728\u5ba2\u6237\u7aef\u548cElasticsearch\u96c6\u7fa4\u4e4b\u95f4\u3002\u8d1f\u8f7d\u5747\u8861\u5668\u8d1f\u8d23\u5c06\u8bf7\u6c42\u5206\u53d1\u5230\u591a\u4e2a\u8282\u70b9\u4e0a\uff0c\u4ee5\u5b9e\u73b0\u8d1f\u8f7d\u5747\u8861\u548c\u6545\u969c\u8f6c\u79fb\u3002<\/li>\n<\/ul>\n<pre><code class=\"language-python\">from elasticsearch import Elasticsearch\n\nes = Elasticsearch(['http:\/\/load_balancer:9200'])\n<\/code><\/pre>\n<\/li>\n<li>\n<strong>\u901a\u8fc7\u8f6e\u8be2\u6216\u968f\u673a\u9009\u62e9\u8282\u70b9\uff1a<\/strong><\/p>\n<ul>\n<li>\u5ba2\u6237\u7aef\u53ef\u4ee5\u9009\u62e9\u901a\u8fc7\u8f6e\u8be2\u6216\u968f\u673a\u9009\u62e9\u8282\u70b9\u7684\u65b9\u5f0f\u6267\u884c\u8bf7\u6c42\u3002\u8fd9\u6837\u53ef\u4ee5\u5b9e\u73b0\u57fa\u672c\u7684\u8d1f\u8f7d\u5747\u8861\uff0c\u4f46\u4e0d\u4f1a\u5904\u7406\u8282\u70b9\u7684\u5065\u5eb7\u72b6\u6001\u3002<\/li>\n<\/ul>\n<pre><code class=\"language-python\">from elasticsearch import Elasticsearch\nimport random\n\nnodes = ['http:\/\/node1:9200', 'http:\/\/node2:9200', 'http:\/\/node3:9200']\nes = Elasticsearch(random.choice(nodes))\n<\/code><\/pre>\n<\/li>\n<li>\n<strong>\u4f7f\u7528\u8282\u70b9\u9009\u62e9\u5668\uff08Node Selector\uff09\uff1a<\/strong><\/p>\n<ul>\n<li>Elasticsearch\u63d0\u4f9b\u4e86\u8282\u70b9\u9009\u62e9\u5668\u7684\u529f\u80fd\uff0c\u5141\u8bb8\u5ba2\u6237\u7aef\u4f7f\u7528\u4e00\u4e9b\u89c4\u5219\u6765\u9009\u62e9\u8981\u6267\u884c\u8bf7\u6c42\u7684\u8282\u70b9\u3002\u8282\u70b9\u9009\u62e9\u5668\u53ef\u4ee5\u57fa\u4e8e\u8282\u70b9\u7684\u6027\u80fd\u3001\u5065\u5eb7\u72b6\u51b5\u7b49\u56e0\u7d20\u8fdb\u884c\u9009\u62e9\u3002<\/li>\n<\/ul>\n<pre><code class=\"language-python\">from elasticsearch import Elasticsearch\nfrom elasticsearch.transport import Transport\n\nclass MyNodeSelector(Transport):\n    def select(self, connection_pool, options):\n        # \u5728\u6b64\u5904\u5b9e\u73b0\u81ea\u5b9a\u4e49\u7684\u8282\u70b9\u9009\u62e9\u903b\u8f91\n        return random.choice(connection_pool.get_connections())\n\nes = Elasticsearch(transport_class=MyNodeSelector)\n<\/code><\/pre>\n<\/li>\n<\/ol>\n<p>\u4e0a\u8ff0\u4f8b\u5b50\u4e2d\uff0c\u7b2c\u4e00\u79cd\u548c\u7b2c\u4e8c\u79cd\u65b9\u5f0f\u9002\u7528\u4e8e\u7b80\u5355\u7684\u573a\u666f\uff0c\u800c\u7b2c\u4e09\u79cd\u65b9\u5f0f\u63d0\u4f9b\u4e86\u57fa\u672c\u7684\u8d1f\u8f7d\u5747\u8861\uff0c\u4f46\u6ca1\u6709\u5904\u7406\u8282\u70b9\u7684\u5065\u5eb7\u72b6\u6001\u3002\u7b2c\u56db\u79cd\u65b9\u5f0f\u662f\u4f7f\u7528\u81ea\u5b9a\u4e49\u7684\u8282\u70b9\u9009\u62e9\u5668\uff0c\u53ef\u4ee5\u6839\u636e\u5177\u4f53\u9700\u6c42\u5b9e\u73b0\u66f4\u590d\u6742\u7684\u8282\u70b9\u9009\u62e9\u903b\u8f91\u3002\u9009\u62e9\u9002\u5f53\u7684\u65b9\u5f0f\u53d6\u51b3\u4e8e\u5e94\u7528\u7a0b\u5e8f\u7684\u9700\u6c42\u548c\u590d\u6742\u6027\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5728Elasticsearch\u4e2d\uff0c\u5ba2\u6237\u7aef\u5728\u4e0e\u96c6\u7fa4\u8fde\u63a5\u65f6\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u65b9\u5f0f\u9009\u62e9\u7279\u5b9a\u7684\u8282\u70b9\u6267\u884c\u8bf7\u6c42\uff1a \u901a\u8fc7\u8282\u70b9\u540d\u79f0\u6216\u5730 [&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-16324","post","type-post","status-publish","format-standard","hentry","category-elasticsearch"],"_links":{"self":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/16324","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=16324"}],"version-history":[{"count":2,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/16324\/revisions"}],"predecessor-version":[{"id":48461,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/16324\/revisions\/48461"}],"wp:attachment":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/media?parent=16324"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/categories?post=16324"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/tags?post=16324"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}