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Eureka\u3001Etcd\u3001Consul\u6216Apache Zookeeper\u7b49\u4f5c\u4e3a\u6ce8\u518c\u4e2d\u5fc3\u3002<\/p>\n\n\n\n<p>\u4e3a\u4e86\u8bf4\u660e\u670d\u52a1\u53d1\u73b0\u6a21\u5f0f\u662f\u5982\u4f55\u89e3\u51b3\u5fae\u670d\u52a1\u5b9e\u4f8b\u5730\u5740\u52a8\u6001\u53d8\u5316\u7684\u95ee\u9898\uff0c\u4e0b\u9762\u4ecb\u7ecd\u4e24\u79cd\u4e3b\u8981\u7684\u670d\u52a1\u53d1\u73b0\u6a21\u5f0f\uff1a<\/p>\n\n\n\n<ul><li>\u5ba2\u6237\u7aef\u53d1\u73b0\u6a21\u5f0f<\/li><li>\u670d\u52a1\u7aef\u53d1\u73b0\u6a21\u5f0f\u3002<\/li><\/ul>\n\n\n\n<p>\u5ba2\u6237\u7aef\u6a21\u5f0f\u4e0e\u670d\u52a1\u7aef\u6a21\u5f0f\uff0c\u4e24\u8005\u7684\u672c\u8d28\u533a\u522b\u5728\u4e8e\uff0c\u5ba2\u6237\u7aef\u662f\u5426\u4fdd\u5b58\u670d\u52a1\u5217\u8868\u4fe1\u606f\u3002<\/p>\n\n\n\n<p><strong>\u5ba2\u6237\u7aef\u53d1\u73b0\u6a21\u5f0f<\/strong><\/p>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<p>\u5728\u5ba2\u6237\u7aef\u6a21\u5f0f\u4e0b\uff0c\u5982\u679c\u8981\u8fdb\u884c\u5fae\u670d\u52a1\u8c03\u7528\uff0c\u9996\u5148\u8981\u8fdb\u884c\u7684\u662f\u5230\u670d\u52a1\u6ce8\u518c\u4e2d\u5fc3\u83b7\u53d6\u670d\u52a1\u5217\u8868\uff0c\u7136\u540e\u518d\u6839\u636e\u8c03\u7528\u7aef\u672c\u5730\u7684\u8d1f\u8f7d\u5747\u8861\u7b56\u7565\uff0c\u8fdb\u884c\u670d\u52a1\u8c03\u7528\u3002<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/123.57.164.21\/wp-content\/uploads\/2023\/04\/image-86-1024x685.png\" alt=\"\" class=\"wp-image-10571\" width=\"428\" height=\"285\" srcset=\"https:\/\/92it.top\/wp-content\/uploads\/2023\/04\/image-86-1024x685.png 1024w, https:\/\/92it.top\/wp-content\/uploads\/2023\/04\/image-86-300x201.png 300w, https:\/\/92it.top\/wp-content\/uploads\/2023\/04\/image-86-768x514.png 768w, https:\/\/92it.top\/wp-content\/uploads\/2023\/04\/image-86-830x555.png 830w, https:\/\/92it.top\/wp-content\/uploads\/2023\/04\/image-86-230x154.png 230w, https:\/\/92it.top\/wp-content\/uploads\/2023\/04\/image-86-350x234.png 350w, https:\/\/92it.top\/wp-content\/uploads\/2023\/04\/image-86-480x321.png 480w, https:\/\/92it.top\/wp-content\/uploads\/2023\/04\/image-86.png 1300w\" sizes=\"(max-width: 428px) 100vw, 428px\" \/><\/figure><\/div>\n\n\n\n<p>\u5728\u4e0a\u56fe\u4e2d\uff0cclient\u7aef\u63d0\u4f9b\u4e86\u8d1f\u8f7d\u5747\u8861\u7684\u529f\u80fd\uff0c\u5176\u9996\u5148\u4ece\u6ce8\u518c\u4e2d\u5fc3\u83b7\u53d6\u670d\u52a1\u63d0\u4f9b\u8005\u7684\u5217\u8868\uff0c\u7136\u540e\u901a\u8fc7\u81ea\u8eab\u8d1f\u8f7d\u5747\u8861\u7b97\u6cd5\uff0c\u9009\u62e9\u4e00\u4e2a\u6700\u5408\u7406\u7684\u670d\u52a1\u63d0\u4f9b\u8005\u8fdb\u884c\u8c03\u7528:<\/p>\n\n\n\n<p>1\u3001 \u670d\u52a1\u63d0\u4f9b\u8005\u5411\u6ce8\u518c\u4e2d\u5fc3\u8fdb\u884c\u6ce8\u518c\uff0c\u63d0\u4ea4\u81ea\u5df1\u7684\u76f8\u5173\u4fe1\u606f<\/p>\n\n\n\n<p>2\u3001 \u670d\u52a1\u6d88\u8d39\u8005\u5b9a\u671f\u4ece\u6ce8\u518c\u4e2d\u5fc3\u83b7\u53d6\u670d\u52a1\u63d0\u4f9b\u8005\u5217\u8868<\/p>\n\n\n\n<p>3\u3001 \u670d\u52a1\u6d88\u8d39\u8005\u901a\u8fc7\u81ea\u8eab\u7684\u8d1f\u8f7d\u5747\u8861\u7b97\u6cd5\uff0c\u5728\u670d\u52a1\u63d0\u4f9b\u8005\u5217\u8868\u91cc\u9762\u9009\u62e9\u4e00\u4e2a\u5408\u9002\u7684\u670d\u52a1\u63d0\u4f9b\u8005\uff0c\u8fdb\u884c\u8bbf\u95ee<\/p>\n\n\n\n<p>\u5ba2\u6237\u7aef\u53d1\u73b0\u6a21\u5f0f\u7684\u4f18\u7f3a\u70b9\u5982\u4e0b\uff1a<\/p>\n\n\n\n<ul><li>\u4f18\u70b9\uff1a<\/li><\/ul>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">\u8d1f\u8f7d\u5747\u8861\u4f5c\u4e3aclient\u4e2d\u4e00\u4e2a\u529f\u80fd\uff0c\u7528\u81ea\u8eab\u7684\u7b97\u6cd5\uff0c\u4ece\u670d\u52a1\u63d0\u4f9b\u8005\u5217\u8868\u4e2d\u9009\u62e9\u4e00\u4e2a\u5408\u9002\u670d\u52a1\u63d0\u4f9b\u8005\u8fdb\u884c\u8bbf\u95ee\uff0c\u56e0\u6b64client\u7aef\u53ef\u4ee5\u5b9a\u5236\u5316\u8d1f\u8f7d\u5747\u8861\u7b97\u6cd5\u3002\u4f18\u70b9\u662f\u670d\u52a1\u5ba2\u6237\u7aef\u53ef\u4ee5\u7075\u6d3b\u3001\u667a\u80fd\u5730\u5236\u5b9a\u8d1f\u8f7d\u5747\u8861\u7b56\u7565\uff0c\u5305\u62ec\u8f6e\u8be2\u3001\u52a0\u6743\u8f6e\u8be2\u3001\u4e00\u81f4\u6027\u54c8\u5e0c\u7b49\u7b56\u7565\u3002\n\u53ef\u4ee5\u5b9e\u73b0\u70b9\u5bf9\u70b9\u7684\u7f51\u72b6\u901a\u8baf\uff0c\u5373\u53bb\u4e2d\u5fc3\u5316\u7684\u901a\u8baf\u3002\u53ef\u4ee5\u6709\u6548\u907f\u5f00\u5355\u70b9\u9020\u6210\u7684\u6027\u80fd\u74f6\u9888\u548c\u53ef\u9760\u6027\u4e0b\u964d\u7b49\u95ee\u9898\u3002\n\u670d\u52a1\u5ba2\u6237\u7aef\u901a\u5e38\u4ee5SDK\u7684\u65b9\u5f0f\u76f4\u63a5\u5f15\u5165\u5230\u9879\u76ee\uff0c\u8fd9\u79cd\u65b9\u5f0f\u8bed\u8a00\u7684\u6574\u5408\u7a0b\u5ea6\u6700\u4f73\uff0c\u7a0b\u5e8f\u6267\u884c\u6027\u80fd\u6700\u4f73\uff0c\u7a0b\u5e8f\u9519\u8bef\u6392\u67e5\u66f4\u52a0\u5bb9\u6613\u3002\n<\/pre>\n\n\n\n<ul><li>\u7f3a\u70b9\uff1a<\/li><\/ul>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">        \u5f53\u8d1f\u8f7d\u5747\u8861\u7b97\u6cd5\u9700\u8981\u66f4\u65b0\u65f6\u5019\uff0c\u5f88\u96be\u505a\u5230\u540c\u4e00\u65f6\u95f4\u5168\u90e8\u66f4\u65b0\uff0c\u6240\u4ee5\u5c31\u9020\u6210\u65b0\u65e7\u7b97\u6cd5\u540c\u65f6\u8fd0\u884c\n        \u4e0e\u6ce8\u518c\u4e2d\u5fc3\u7d27\u5bc6\u8026\u5408\uff0c\u5982\u679c\u8981\u6362\u6ce8\u518c\u4e2d\u5fc3\uff0c\u9700\u8981\u53bb\u4fee\u6539\u4ee3\u7801\uff0c\u91cd\u65b0\u4e0a\u7ebf\u3002\u5fae\u670d\u52a1\u7684\u89c4\u6a21\u8d8a\u5927\uff0c\u670d\u52a1\u66f4\u65b0\u8d8a\u56f0\u96be\uff0c\u8fd9\u5728\u4e00\u5b9a\u7a0b\u5ea6\u4e0a\u8fdd\u80cc\u4e86\u5fae\u670d\u52a1\u67b6\u6784\u63d0\u5021\u7684\u6280\u672f\u72ec\u7acb\u6027\u3002\n<\/pre>\n\n\n\n<p>\u76ee\u524d\u6765\u8bf4\uff0c\u5927\u90e8\u5206\u670d\u52a1\u53d1\u73b0\u7684\u5b9e\u73b0\u90fd\u91c7\u53d6\u4e86\u5ba2\u6237\u7aef\u6a21\u5f0f\u3002<\/p>\n\n\n\n<p><strong>\u670d\u52a1\u7aef\u53d1\u73b0\u6a21\u5f0f<\/strong><\/p>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<p>\u5728\u670d\u52a1\u7aef\u6a21\u5f0f\u4e0b\uff0c\u8c03\u7528\u65b9\u76f4\u63a5\u5411\u670d\u52a1\u6ce8\u518c\u4e2d\u5fc3\u8fdb\u884c\u8bf7\u6c42\uff0c\u670d\u52a1\u6ce8\u518c\u4e2d\u5fc3\u518d\u901a\u8fc7\u81ea\u8eab\u8d1f\u8f7d\u5747\u8861\u7b56\u7565\uff0c\u5bf9\u5fae\u670d\u52a1\u8fdb\u884c\u8c03\u7528\u3002\u8fd9\u4e2a\u6a21\u5f0f\u4e0b\uff0c\u8c03\u7528\u65b9\u4e0d\u9700\u8981\u5728\u81ea\u8eab\u8282\u70b9\u7ef4\u62a4\u670d\u52a1\u53d1\u73b0\u903b\u8f91\u4ee5\u53ca\u670d\u52a1\u6ce8\u518c\u4fe1\u606f\u3002<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/123.57.164.21\/wp-content\/uploads\/2023\/04\/image-87-1024x703.png\" alt=\"\" class=\"wp-image-10572\" width=\"441\" height=\"302\" srcset=\"https:\/\/92it.top\/wp-content\/uploads\/2023\/04\/image-87-1024x703.png 1024w, https:\/\/92it.top\/wp-content\/uploads\/2023\/04\/image-87-300x206.png 300w, https:\/\/92it.top\/wp-content\/uploads\/2023\/04\/image-87-768x527.png 768w, https:\/\/92it.top\/wp-content\/uploads\/2023\/04\/image-87-830x570.png 830w, https:\/\/92it.top\/wp-content\/uploads\/2023\/04\/image-87-230x158.png 230w, https:\/\/92it.top\/wp-content\/uploads\/2023\/04\/image-87-350x240.png 350w, https:\/\/92it.top\/wp-content\/uploads\/2023\/04\/image-87-480x329.png 480w, https:\/\/92it.top\/wp-content\/uploads\/2023\/04\/image-87.png 1294w\" sizes=\"(max-width: 441px) 100vw, 441px\" \/><\/figure><\/div>\n\n\n\n<p>\u5728\u670d\u52a1\u7aef\u6a21\u5f0f\u4e0b\uff1a<br>1\u3001 \u670d\u52a1\u63d0\u4f9b\u8005\u5411\u6ce8\u518c\u4e2d\u5fc3\u8fdb\u884c\u670d\u52a1\u6ce8\u518c<br>2\u3001 \u6ce8\u518c\u4e2d\u5fc3\u63d0\u4f9b\u8d1f\u8f7d\u5747\u8861\u529f\u80fd\uff0c<br>3\u3001 \u670d\u52a1\u6d88\u8d39\u8005\u53bb\u8bf7\u6c42\u6ce8\u518c\u4e2d\u5fc3\uff0c\u7531\u6ce8\u518c\u4e2d\u5fc3\u6839\u636e\u670d\u52a1\u63d0\u4f9b\u5217\u8868\u7684\u5065\u5eb7\u60c5\u51b5\uff0c\u9009\u62e9\u5408\u9002\u7684\u670d\u52a1\u63d0\u4f9b\u8005\u4f9b\u670d\u52a1\u6d88\u8d39\u8005\u8c03\u7528<\/p>\n\n\n\n<p>\u73b0\u4ee3\u5bb9\u5668\u5316\u90e8\u7f72\u5e73\u53f0\uff08\u5982Docker\u548cKubernetes\uff09\u5c31\u662f\u670d\u52a1\u7aef\u670d\u52a1\u53d1\u73b0\u6a21\u5f0f\u7684\u4e00\u4e2a\u4f8b\u5b50\uff0c\u8fd9\u4e9b\u90e8\u7f72\u5e73\u53f0\u90fd\u5177\u6709\u5185\u7f6e\u7684\u670d\u52a1\u6ce8\u518c\u8868\u548c\u670d\u52a1\u53d1\u73b0\u673a\u5236\u3002\u5bb9\u5668\u5316\u90e8\u7f72\u5e73\u53f0\u4e3a\u6bcf\u4e2a\u670d\u52a1\u63d0\u4f9b\u8def\u7531\u8bf7\u6c42\u7684\u80fd\u529b\u3002\u670d\u52a1\u5ba2\u6237\u7aef\u5411\u8def\u7531\u5668\uff08\u6216\u8005\u8d1f\u8f7d\u5747\u8861\u5668\uff09\u53d1\u51fa\u8bf7\u6c42\uff0c\u5bb9\u5668\u5316\u90e8\u7f72\u5e73\u53f0\u81ea\u52a8\u5c06\u8bf7\u6c42\u8def\u7531\u5230\u76ee\u6807\u670d\u52a1\u4e00\u4e2a\u53ef\u7528\u7684\u670d\u52a1\u5b9e\u4f8b\u3002\u56e0\u6b64\uff0c\u670d\u52a1\u6ce8\u518c\uff0c\u670d\u52a1\u53d1\u73b0\u548c\u8bf7\u6c42\u8def\u7531\u5b8c\u5168\u7531\u5bb9\u5668\u5316\u90e8\u7f72\u5e73\u53f0\u5904\u7406\u3002<\/p>\n\n\n\n<p>\u670d\u52a1\u7aef\u53d1\u73b0\u6a21\u5f0f\u7684\u7279\u70b9\u5982\u4e0b\uff1a<\/p>\n\n\n\n<ul><li>\u4f18\u70b9\uff1a<\/li><\/ul>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">    \u670d\u52a1\u6d88\u8d39\u8005\u4e0d\u9700\u8981\u5173\u5fc3\u670d\u52a1\u63d0\u4f9b\u8005\u7684\u5217\u8868\uff0c\u4ee5\u53ca\u5176\u91c7\u53d6\u4f55\u79cd\u8d1f\u8f7d\u5747\u8861\u7b56\u7565\n    \u8d1f\u8f7d\u5747\u8861\u7b56\u7565\u7684\u6539\u53d8\uff0c\u53ea\u9700\u8981\u6ce8\u518c\u4e2d\u5fc3\u4fee\u6539\u5c31\u884c\uff0c\u4e0d\u4f1a\u51fa\u73b0\u65b0\u8001\u7b97\u6cd5\u540c\u65f6\u5b58\u5728\u7684\u73b0\u8c61\n    \u670d\u52a1\u63d0\u4f9b\u8005\u4e0a\u4e0b\u7ebf\uff0c\u5bf9\u4e8e\u670d\u52a1\u6d88\u8d39\u8005\u6765\u8bf4\u65e0\u611f\u77e5<\/pre>\n\n\n\n<ul><li>\u7f3a\u70b9\uff1a<\/li><\/ul>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">rt\u589e\u52a0\uff0c\u56e0\u4e3a\u6bcf\u6b21\u8bf7\u6c42\u90fd\u8981\u8bf7\u6c42\u6ce8\u518c\u4e2d\u5fc3\uff0c\u5c24\u5176\u8fd4\u56de\u4e00\u4e2a\u670d\u52a1\u63d0\u4f9b\u8005\n\u6ce8\u518c\u4e2d\u5fc3\u6210\u4e3a\u74f6\u9888\uff0c\u6240\u6709\u7684\u8bf7\u6c42\u90fd\u8981\u7ecf\u8fc7\u6ce8\u518c\u4e2d\u5fc3\uff0c\u5982\u679c\u6ce8\u518c\u670d\u52a1\u8fc7\u591a\uff0c\u670d\u52a1\u6d88\u8d39\u8005\u6d41\u91cf\u8fc7\u5927\uff0c\u53ef\u80fd\u4f1a\u5bfc\u81f4\u6ce8\u518c\u4e2d\u5fc3\u4e0d\u53ef\u7528\n\u5fae\u670d\u52a1\u7684\u4e00\u4e2a\u76ee\u6807\u662f\u6545\u969c\u9694\u79bb\uff0c\u5c06\u6574\u4e2a\u7cfb\u7edf\u5207\u5272\u4e3a\u591a\u4e2a\u670d\u52a1\u5171\u540c\u8fd0\u884c\uff0c\u5982\u679c\u67d0\u670d\u52a1\u65e0\u6cd5\u6b63\u5e38\u8fd0\u884c\uff0c\u53ea\u4f1a\u5f71\u54cd\u5230\u6574\u4e2a\u7cfb\u7edf\u7684\u76f8\u5173\u90e8\u5206\u529f\u80fd\uff0c\u5176\u5b83\u529f\u80fd\u80fd\u591f\u6b63\u5e38\u8fd0\u884c\uff0c\u5373\u53bb\u4e2d\u5fc3\u5316\u3002\u7136\u800c\uff0c\u670d\u52a1\u7aef\u53d1\u73b0\u6a21\u5f0f\u5b9e\u9645\u4e0a\u662f\u96c6\u4e2d\u5f0f\u7684\u505a\u6cd5\uff0c\u5982\u679c\u8def\u7531\u5668\u6216\u8005\u8d1f\u8f7d\u5747\u8861\u5668\u65e0\u6cd5\u63d0\u4f9b\u670d\u52a1\uff0c\u90a3\u4e48\u5c06\u5bfc\u81f4\u6574\u4e2a\u7cfb\u7edf\u762b\u75ea\u3002\n<\/pre>\n\n\n\n<p><strong>\u5b9e\u73b0\u65b9\u6848<\/strong><\/p>\n\n\n\n<p><strong>file<\/strong><\/p>\n\n\n\n<hr 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class=\"wp-block-separator\"\/>\n\n\n\n<p>ZooKeeper \u662f\u4e00\u4e2a\u96c6\u4e2d\u5f0f\u670d\u52a1\uff0c\u7528\u4e8e\u7ef4\u62a4\u914d\u7f6e\u4fe1\u606f\u3001\u547d\u540d\u3001\u63d0\u4f9b\u5206\u5e03\u5f0f\u540c\u6b65\u548c\u63d0\u4f9b\u7ec4\u670d\u52a1\u3002 <\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/123.57.164.21\/wp-content\/uploads\/2023\/04\/image-88-1024x937.png\" alt=\"\" class=\"wp-image-10574\" width=\"352\" height=\"322\" srcset=\"https:\/\/92it.top\/wp-content\/uploads\/2023\/04\/image-88-1024x937.png 1024w, https:\/\/92it.top\/wp-content\/uploads\/2023\/04\/image-88-300x274.png 300w, https:\/\/92it.top\/wp-content\/uploads\/2023\/04\/image-88-768x702.png 768w, https:\/\/92it.top\/wp-content\/uploads\/2023\/04\/image-88-830x759.png 830w, https:\/\/92it.top\/wp-content\/uploads\/2023\/04\/image-88-230x210.png 230w, https:\/\/92it.top\/wp-content\/uploads\/2023\/04\/image-88-350x320.png 350w, https:\/\/92it.top\/wp-content\/uploads\/2023\/04\/image-88-480x439.png 480w, https:\/\/92it.top\/wp-content\/uploads\/2023\/04\/image-88.png 1218w\" sizes=\"(max-width: 352px) 100vw, 352px\" 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https:\/\/92it.top\/wp-content\/uploads\/2023\/04\/image-89-250x300.png 250w, https:\/\/92it.top\/wp-content\/uploads\/2023\/04\/image-89-768x922.png 768w, https:\/\/92it.top\/wp-content\/uploads\/2023\/04\/image-89-230x276.png 230w, https:\/\/92it.top\/wp-content\/uploads\/2023\/04\/image-89-350x420.png 350w, https:\/\/92it.top\/wp-content\/uploads\/2023\/04\/image-89-480x576.png 480w\" sizes=\"(max-width: 321px) 100vw, 321px\" \/><\/figure><\/div>\n\n\n\n<p><strong>\u5065\u5eb7\u68c0\u67e5<\/strong><\/p>\n\n\n\n<p>zookeeper\u5b9e\u73b0\u4e86\u4e00\u79cdTTL\u7684\u673a\u5236\uff0c\u5c31\u662f\u5982\u679c\u5ba2\u6237\u7aef\u5728\u4e00\u5b9a\u65f6\u95f4\u5185\u6ca1\u6709\u5411\u6ce8\u518c\u4e2d\u5fc3\u53d1\u9001\u5fc3\u8df3\uff0c\u5219\u4f1a\u5c06\u8fd9\u4e2a\u5ba2\u6237\u7aef\u6458\u9664\u3002<\/p>\n\n\n\n<p><strong>\u83b7\u53d6\u670d\u52a1\u63d0\u4f9b\u8005\u7684\u5217\u8868<\/strong><\/p>\n\n\n\n<p>\u524d\u9762\u6709\u63d0\u8fc7\uff0czookeeper\u5b9e\u9645\u4e0a\u662f\u4e00\u4e2a\u6811\u5f62\u7ed3\u6784\uff0c\u90a3\u4e48\u670d\u52a1\u6d88\u8d39\u8005\u662f\u5982\u4f55\u83b7\u53d6\u5230\u670d\u52a1\u63d0\u4f9b\u8005\u7684\u4fe1\u606f\u5462\uff1f\u6700\u91cd\u8981\u7684\u4e5f\u662f\u5fc5\u987b\u7684\u4e00\u70b9\u5c31\u662f <em><strong>\u77e5\u9053\u670d\u52a1\u63d0\u4f9b\u8005\u4fe1\u606f\u7684\u7236\u8282\u70b9\u8def\u5f84<\/strong><\/em>\u3002\u4ee5\u4e0a\u56fe\u4e3a\u4f8b\uff0c\u6211\u4eec\u9700\u8981\u77e5\u9053<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">\/services<\/pre>\n\n\n\n<p>\u901a\u8fc7zookeeper client\u63d0\u4f9b\u7684\u63a5\u53e3 getchildren(path)\u6765\u83b7\u53d6\u6240\u6709\u7684\u5b50\u8282\u70b9\u3002<\/p>\n\n\n\n<p><strong>\u611f\u77e5\u670d\u52a1\u4e0a\u7ebf\u4e0e\u4e0b\u7ebf<\/strong><\/p>\n\n\n\n<p>zookeeper\u63d0\u4f9b\u4e86\u201c\u5fc3\u8df3\u68c0\u6d4b\u201d\u529f\u80fd\uff0c\u5b83\u4f1a\u5b9a\u65f6\u5411\u5404\u4e2a\u670d\u52a1\u63d0\u4f9b\u8005\u53d1\u9001\u4e00\u4e2a\u8bf7\u6c42\uff08\u5b9e\u9645\u4e0a\u5efa\u7acb\u7684\u662f\u4e00\u4e2a socket \u957f\u8fde\u63a5\uff09\uff0c\u5982\u679c\u957f\u671f\u6ca1\u6709\u54cd\u5e94\uff0c\u670d\u52a1\u4e2d\u5fc3\u5c31\u8ba4\u4e3a\u8be5\u670d\u52a1\u63d0\u4f9b\u8005\u5df2\u7ecf\u201c\u6302\u4e86\u201d\uff0c\u5e76\u5c06\u5176\u5254\u9664\uff0c\u6bd4\u5982192.168.1.2\u8fd9\u53f0\u673a\u5668\u5982\u679c\u5b95\u673a\u4e86\uff0c\u90a3\u4e48zookeeper\u4e0a\u7684\u8def\u5f84\/services\/\u4e0b\u5c31\u4f1a\u53ea\u5269\u4e0b192.168.1.1:1234, 192.168.1.2:1234,192.168.1.4:1234\u3002\u5982\u4e0b\u56fe\u6240\u793a\uff1a<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/123.57.164.21\/wp-content\/uploads\/2023\/04\/image-90.png\" alt=\"\" class=\"wp-image-10576\" width=\"273\" height=\"321\" srcset=\"https:\/\/92it.top\/wp-content\/uploads\/2023\/04\/image-90.png 794w, https:\/\/92it.top\/wp-content\/uploads\/2023\/04\/image-90-255x300.png 255w, https:\/\/92it.top\/wp-content\/uploads\/2023\/04\/image-90-768x903.png 768w, https:\/\/92it.top\/wp-content\/uploads\/2023\/04\/image-90-230x271.png 230w, https:\/\/92it.top\/wp-content\/uploads\/2023\/04\/image-90-350x412.png 350w, https:\/\/92it.top\/wp-content\/uploads\/2023\/04\/image-90-480x565.png 480w\" sizes=\"(max-width: 273px) 100vw, 273px\" \/><\/figure><\/div>\n\n\n\n<p>\u5047\u8bbe\u6b64\u65f6\uff0c\u91cd\u65b0\u4e0a\u7ebf\u4e00\u4e2a\u5b9e\u4f8b\uff0c\u5176ip\u4e3a192.168.1.5\uff0c\u90a3\u4e48\u6b64\u65f6zookeeper\u6811\u5f62\u7ed3\u6784\u5982\u4e0b\u56fe\u6240\u793a\uff1a<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/123.57.164.21\/wp-content\/uploads\/2023\/04\/image-91-749x1024.png\" alt=\"\" class=\"wp-image-10577\" width=\"279\" height=\"381\" srcset=\"https:\/\/92it.top\/wp-content\/uploads\/2023\/04\/image-91-749x1024.png 749w, https:\/\/92it.top\/wp-content\/uploads\/2023\/04\/image-91-219x300.png 219w, https:\/\/92it.top\/wp-content\/uploads\/2023\/04\/image-91-768x1050.png 768w, https:\/\/92it.top\/wp-content\/uploads\/2023\/04\/image-91-230x314.png 230w, https:\/\/92it.top\/wp-content\/uploads\/2023\/04\/image-91-350x479.png 350w, https:\/\/92it.top\/wp-content\/uploads\/2023\/04\/image-91-480x656.png 480w, https:\/\/92it.top\/wp-content\/uploads\/2023\/04\/image-91.png 784w\" sizes=\"(max-width: 279px) 100vw, 279px\" \/><\/figure><\/div>\n\n\n\n<p>\u670d\u52a1\u6d88\u8d39\u8005\u4f1a\u53bb\u76d1\u542c\u76f8\u5e94\u8def\u5f84\uff08\/services\uff09\uff0c\u4e00\u65e6\u8def\u5f84\u4e0a\u7684\u6570\u636e\u6709\u4efb\u52a1\u53d8\u5316\uff08\u589e\u52a0\u6216\u51cf\u5c11\uff09\uff0czookeeper\u90fd\u4f1a\u901a\u77e5\u670d\u52a1\u6d88\u8d39\u65b9\u670d\u52a1\u63d0\u4f9b\u8005\u5730\u5740\u5217\u8868\u5df2\u7ecf\u53d1\u751f\u6539\u53d8\uff0c\u4ece\u800c\u8fdb\u884c\u66f4\u65b0\u3002<\/p>\n\n\n\n<p><strong>\u5b9e\u73b0<\/strong><\/p>\n\n\n\n<p>\u4e0b\u9762\u662f\u670d\u52a1\u63d0\u4f9b\u8005\u5728zookeeper\u6ce8\u518c\u4e2d\u5fc3\u6ce8\u518c\u65f6\u5019\u7684\u6838\u5fc3\u4ee3\u7801\uff1a<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">int ZKClient::Init(const std::string&amp; host, int timeout,\n                          int retry_times) {\n  host_ = host;\n  timeout_ = timeout;\n  retry_times_ = retry_times;\n\n\n  hthandle_ = zookeeper_init(host_.c_str(), GlobalWatcher, timeout_,\n                             NULL, this, 0);\n  return (hthandle_ != NULL) ? 0 : -1;\n}\n\nint ZKClient::CreateNode(const std::string&amp; path,\n                                const std::string&amp; value,\n                                int type) {\n  int flags;\n  if (type == Normal) {\n    flags = 0;\n  } else if (type == Ephemeral) {\n    flags = ZOO_EPHEMERAL;\n  } else {\n    return -1;\n  }\n\n  int ret = zoo_exists(hthandle_, path.c_str(), 0, NULL);\n  if (ret == ZOK) {\n    return -1;\n  }\n  if (ret != ZNONODE) {\n    return -1;\n  }\n\n  ret = zoo_create(hthandle_, path.c_str(), value.c_str(), value.length(),\n                   &amp;ZOO_OPEN_ACL_UNSAFE, flags, NULL, 0);\n  return ret == ZOK ? 0 : -1;\n}\n\n\nint main() {\n  std::string ip; \/\/ \u5f53\u524d\u670d\u52a1ip\n  int port; \/\/ \u5f53\u524d\u670d\u52a1\u7684\u7aef\u53e3\n  std::string path = \"\/services\/\" + ip + \":\" + std::to_string(port);\n  \n  ZKClient zk;\n  zk.init(...);\n  \n  \/\/\u521d\u59cb\u5316zk\u5ba2\u6237\u7aef\n  zk.CreateNode(path, \"\", Ephemeral);\n  \n  ...\n  return 0\n}\n<\/pre>\n\n\n\n<p>\u4e0a\u9762\u662f\u670d\u52a1\u63d0\u4f9b\u8005\u6240\u505a\u7684\u4e00\u4e9b\u64cd\u4f5c\uff0c\u5176\u6838\u5fc3\u529f\u80fd\u5c31\u662f\uff1a<\/p>\n\n\n\n<p>\u5728\u670d\u52a1\u542f\u52a8\u7684\u65f6\u5019\uff0c\u4f7f\u7528zookeeper\u7684\u5ba2\u6237\u7aef\uff0c\u521b\u5efa\u4e00\u4e2a\u4e34\u65f6(Ephemeral)\u8282\u70b9.<\/p>\n\n\n\n<p>\u4ece\u4ee3\u7801\u4e2d\u53ef\u4ee5\u770b\u51fa\uff0c\u521b\u5efaznode\u7684\u65f6\u5019\uff0c\u6307\u5b9a\u4e86\u5176node\u7c7b\u578b\u4e3aEphemeral\uff0c\u8fd9\u5757\u975e\u5e38\u91cd\u8981\uff0c\u5728zookeeper\u4e2d\uff0c\u5982\u679cznode\u7c7b\u578b\u4e3aEphemeral\uff0c\u8868\u660e\uff0c\u5728\u670d\u52a1\u63d0\u4f9b\u8005\u8ddf\u6ce8\u518c\u4e2d\u5fc3\u65ad\u5f00\u8fde\u63a5\u7684\u65f6\u5019\uff0c\u8fd9\u4e2a\u8282\u70b9\u4f1a\u81ea\u52a8\u5c0f\u65f6\uff0c\u8fdb\u800c\u6ce8\u518c\u4e2d\u5fc3\u4f1a\u901a\u77e5\u670d\u52a1\u6d88\u8d39\u8005\u91cd\u65b0\u83b7\u53d6\u670d\u52a1\u63d0\u4f9b\u8005\u5217\u8868\u3002 <\/p>\n\n\n\n<p>\u4e0b\u9762\u662f\u670d\u52a1\u6d88\u8d39\u8005\u7684\u6838\u5fc3\u4ee3\u7801\uff1a<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">int ZKClient::Init(const std::string&amp; host, int timeout,\n                          int retry_times) {\n  host_ = host;\n  timeout_ = timeout;\n  retry_times_ = retry_times;\n\n\n  hthandle_ = zookeeper_init(host_.c_str(), GlobalWatcher, timeout_,\n                             NULL, this, 0);\n  return (hthandle_ != NULL) ? 0 : -1;\n}\n\nint ZKClient::GetChildren(const std::string&amp; path,\n                                 const std::function&lt;int(const std::vector&lt;std::tuple&lt;std::string, std::string>>)>&amp; on_change,\n                                 std::vector&lt;std::tuple&lt;std::string, std::string>>* children) {\n  std::lock_guard&lt;std::recursive_mutex> lk(mutex_);\n  \n  int ret = zoo_get_children(handle, path, 1, children); \/\/ \u901a\u8fc7\u6765\u83b7\u53d6\u5b50\u8282\u70b9\n  if (ret == ZOK) {\n   node2children_[path] = std::make_tuple(on_change, *children); \/\/ \u6ce8\u518c\u4e8b\u4ef6\n  }\n  return ret;\n\n}\n\nint main() {\n  ZKClient zk;\n  zk.Init(...);\n  \n  std::vector&lt;std::string> children\n  \/\/ \u8bbe\u7f6e\u56de\u8c03\u901a\u77e5\uff0c\u5373\u5728\u67d0\u4e2apath\u4e0b\u5b50\u8282\u70b9\u53d1\u751f\u53d8\u5316\u65f6\uff0c\u8fdb\u884c\u901a\u77e5\n  zk.GetChildren(\"\/services\", callback, children);\n  \n  ...\n  return 0;\n}\n<\/pre>\n\n\n\n<p>\u5bf9\u4e8e\u670d\u52a1\u6d88\u8d39\u8005\u6765\u8bf4\uff0c\u5176\u9700\u8981\u6709\u4e24\u4e2a\u529f\u80fd\uff1a<\/p>\n\n\n\n<ul><li>\u83b7\u53d6\u670d\u52a1\u63d0\u4f9b\u8005\u5217\u8868<\/li><li>\u5728\u670d\u52a1\u63d0\u4f9b\u8005\u5217\u8868\u53d1\u751f\u53d8\u5316\u65f6\uff0c\u80fd\u5f97\u5230\u901a\u77e5<\/li><\/ul>\n\n\n\n<p>\u5176\u4e2d\u7b2c\u4e00\u70b9\u53ef\u4ee5\u901a\u8fc7<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">zoo_get_children(handle, path, 1, children);<\/pre>\n\n\n\n<p>\u6765\u83b7\u53d6\u5217\u8868\uff0c\u90a3\u4e48\u5982\u4f55\u5728\u670d\u52a1\u63d0\u4f9b\u8005\u5217\u8868\u53d1\u751f\u53d8\u5316\u65f6\u5f97\u5230\u901a\u77e5\u5462\uff1f<br>\u8fd9\u5c31\u7528\u5230\u4e86zookeeper\u4e2d\u7684watcher\u673a\u5236\u3002<\/p>\n\n\n\n<p>watcher\u76ee\u7684\u662f\u5728 znode \u4ee5\u67d0\u79cd\u65b9\u5f0f\u53d1\u751f\u53d8\u5316\u65f6\u5f97\u5230\u901a\u77e5\u3002watcher\u4ec5\u88ab\u89e6\u53d1\u4e00\u6b21\u3002 \u5982\u679c\u60a8\u60f3\u8981\u91cd\u590d\u901a\u77e5\uff0c\u60a8\u5c06\u9700\u8981\u91cd\u65b0\u6ce8\u518c\u89c2\u5bdf\u8005\u3002 \u8bfb\u53d6\u64cd\u4f5c\uff08\u4f8b\u5982exists\u3001get_children\u3001get_data\uff09\u53ef\u80fd\u4f1a\u521b\u5efa\u76d1\u89c6\u3002\n<\/p>\n\n\n\n<p>\u4e0b\u9762\uff0c\u6211\u4eec\u5bf9\u4f7f\u7528zookeeper\u4f5c\u4e3a\u6ce8\u518c\u4e2d\u5fc3\uff0c\u670d\u52a1\u63d0\u4f9b\u8005\u548c\u6d88\u8d39\u8005\u9700\u8981\u505a\u7684\u64cd\u4f5c\u8fdb\u884c\u4e0b\u7b80\u5355\u7684\u603b\u7ed3\uff1a<\/p>\n\n\n\n<ul><li>\u670d\u52a1\u63d0\u4f9b\u8005<\/li><\/ul>\n\n\n\n<pre class=\"wp-block-preformatted\">    \u5728\u670d\u52a1\u542f\u52a8\u7684\u65f6\u5019\uff0c\u4f7f\u7528zookeeper\u7684\u5ba2\u6237\u7aef\uff0c\u521b\u5efa\u4e00\u4e2a\u4e34\u65f6(Ephemeral)\u8282\u70b9<\/pre>\n\n\n\n<ul><li>\u670d\u52a1\u6d88\u8d39\u8005<\/li><\/ul>\n\n\n\n<pre class=\"wp-block-preformatted\">    \u901a\u8fc7zoo_get_children\u83b7\u53d6\u5b50\u8282\u70b9\n    \u6ce8\u518cwatcher\u56de\u8c03\uff0c\u5728path\u4e0b\u53d1\u751f\u53d8\u5316\u65f6\u5019\uff0c\u4f1a\u76f4\u63a5\u8c03\u7528\u8be5\u56de\u8c03\u51fd\u6570\uff0c\u5728\u56de\u8c03\u51fd\u6570\u5185\u91cd\u65b0\u83b7\u53d6\u5b50\u8282\u70b9\uff0c\u5e76\u91cd\u65b0\u6ce8\u518c\u56de\u8c03<\/pre>\n\n\n\n<p><strong>etcd<\/strong><\/p>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/123.57.164.21\/wp-content\/uploads\/2023\/04\/image-92.png\" alt=\"\" class=\"wp-image-10583\" width=\"330\" height=\"136\" srcset=\"https:\/\/92it.top\/wp-content\/uploads\/2023\/04\/image-92.png 560w, https:\/\/92it.top\/wp-content\/uploads\/2023\/04\/image-92-300x123.png 300w, https:\/\/92it.top\/wp-content\/uploads\/2023\/04\/image-92-230x94.png 230w, https:\/\/92it.top\/wp-content\/uploads\/2023\/04\/image-92-350x144.png 350w, https:\/\/92it.top\/wp-content\/uploads\/2023\/04\/image-92-480x197.png 480w\" sizes=\"(max-width: 330px) 100vw, 330px\" \/><\/figure><\/div>\n\n\n\n<p>Etcd\u662f\u57fa\u4e8eGo\u8bed\u8a00\u5b9e\u73b0\u7684\u4e00\u4e2aKV\u7ed3\u6784\u7684\u5b58\u50a8\u7cfb\u7edf\uff0c\u652f\u6301\u670d\u52a1\u6ce8\u518c\u4e0e\u53d1\u73b0\u7684\u529f\u80fd\uff0c\u5b98\u65b9\u5c06\u5176\u5b9a\u4e49\u4e3a\u4e00\u4e2a\u53ef\u4fe1\u8d56\u7684\u5206\u5e03\u5f0f\u952e\u503c\u5b58\u50a8\u670d\u52a1\uff0c\u4e3b\u8981\u7528\u4e8e\u5171\u4eab\u914d\u7f6e\u548c\u670d\u52a1\u53d1\u73b0\u3002\u5176\u7279\u70b9\u5982\u4e0b\uff1a<\/p>\n\n\n\n<ul><li>\u5b89\u88c5\u914d\u7f6e\u7b80\u5355\uff0c\u800c\u4e14\u63d0\u4f9b\u4e86 HTTP API \u8fdb\u884c\u4ea4\u4e92\uff0c\u4f7f\u7528\u4e5f\u5f88\u7b80\u5355<\/li><li>\u952e\u503c\u5bf9\u5b58\u50a8\uff1a\u636e\u5b58\u50a8\u5728\u5206\u5c42\u7ec4\u7ec7\u7684\u76ee\u5f55\u4e2d\uff0c\u5982\u540c\u5728\u6807\u51c6\u6587\u4ef6\u7cfb\u7edf\u4e2d<\/li><li>\u53d8\u66f4\uff1a\u76d1\u6d4b\u7279\u5b9a\u7684\u952e\u6216\u76ee\u5f55\u4ee5\u8fdb\u884c\u66f4\u6539\uff0c\u5e76\u5bf9\u503c\u7684\u66f4\u6539\u505a\u51fa\u53cd\u5e94<\/li><li>\u6839\u636e\u5b98\u65b9\u63d0\u4f9b\u7684 benchmark \u6570\u636e\uff0c\u5355\u5b9e\u4f8b\u652f\u6301\u6bcf\u79d2 2k+ \u8bfb\u64cd\u4f5c<\/li><li>\u91c7\u7528 Raft 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c++ client \u4e0d\u652f\u6301\u9759\u6001\u5e93\uff0c\u4f5c\u8005\u4ee5\u53ca\u5176\u4ed6\u4f7f\u7528\u8005\u7684\u53cd\u9988\uff0c\u4ee5\u6b64\u4f5c\u4e3a\u672c\u7ae0\u8282\u7684\u7ed3\u675f\u3002<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/123.57.164.21\/wp-content\/uploads\/2023\/04\/image-93-1024x894.png\" alt=\"\" class=\"wp-image-10585\" width=\"425\" height=\"371\" srcset=\"https:\/\/92it.top\/wp-content\/uploads\/2023\/04\/image-93-1024x894.png 1024w, https:\/\/92it.top\/wp-content\/uploads\/2023\/04\/image-93-300x262.png 300w, https:\/\/92it.top\/wp-content\/uploads\/2023\/04\/image-93-768x671.png 768w, https:\/\/92it.top\/wp-content\/uploads\/2023\/04\/image-93-830x725.png 830w, https:\/\/92it.top\/wp-content\/uploads\/2023\/04\/image-93-230x201.png 230w, https:\/\/92it.top\/wp-content\/uploads\/2023\/04\/image-93-350x306.png 350w, https:\/\/92it.top\/wp-content\/uploads\/2023\/04\/image-93-480x419.png 480w, https:\/\/92it.top\/wp-content\/uploads\/2023\/04\/image-93.png 1280w\" sizes=\"(max-width: 425px) 100vw, 425px\" \/><\/figure><\/div>\n\n\n\n<p><strong>\u7ed3\u8bed<\/strong><\/p>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<p>\u5fae\u670d\u52a1\u67b6\u6784\u6a21\u5f0f\u4e0b\uff0c\u670d\u52a1\u5b9e\u4f8b\u52a8\u6001\u914d\u7f6e\uff0c\u56e0\u6b64\u670d\u52a1\u6d88\u8d39\u8005\u9700\u8981\u52a8\u6001\u4e86\u89e3\u5230\u670d\u52a1\u63d0\u4f9b\u8005\u7684\u53d8\u5316\uff0c\u6240\u4ee5\u5fc5\u987b\u4f7f\u7528\u670d\u52a1\u53d1\u73b0\u673a\u5236\u3002<\/p>\n\n\n\n<p>\u670d\u52a1\u53d1\u73b0\u7684\u5173\u952e\u90e8\u5206\u662f\u6ce8\u518c\u4e2d\u5fc3\u3002\u6ce8\u518c\u4e2d\u5fc3\u63d0\u4f9b\u6ce8\u518c\u548c\u67e5\u8be2\u529f\u80fd\u3002\u76ee\u524d\u4e1a\u754c\u5f00\u6e90\u7684\u6709Netflix Eureka\u3001Etcd\u3001Consul\u6216Apache 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