{"id":161553,"date":"2024-11-04T07:23:26","date_gmt":"2024-11-03T23:23:26","guid":{"rendered":"https:\/\/server.hk\/cnblog\/161553\/"},"modified":"2024-11-04T07:23:27","modified_gmt":"2024-11-03T23:23:27","slug":"%e5%9f%ba%e6%96%bc-redis-%e7%9a%84%e8%a8%bb%e5%86%8a%e4%b8%ad%e5%bf%83%e6%a7%8b%e5%bb%ba%e7%a0%94%e7%a9%b6%ef%bc%88redis-%e8%a8%bb%e5%86%8a%e4%b8%ad%e5%bf%83%e5%af%a6%e7%8f%be%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/161553\/","title":{"rendered":"\u57fa\u65bc Redis \u7684\u8a3b\u518a\u4e2d\u5fc3\u69cb\u5efa\u7814\u7a76\uff08redis \u8a3b\u518a\u4e2d\u5fc3\u5be6\u73fe\uff09"},"content":{"rendered":"<h1 id=\"%e5%9f%ba%e6%96%bc-redis-%e7%9a%84%e8%a8%bb%e5%86%8a%e4%b8%ad%e5%bf%83%e6%a7%8b%e5%bb%ba%e7%a0%94%e7%a9%b6%ef%bc%88redis-%e8%a8%bb%e5%86%8a%e4%b8%ad%e5%bf%83%e5%af%a6%e7%8f%be%ef%bc%89-cyPyduxqze\">\u57fa\u65bc Redis \u7684\u8a3b\u518a\u4e2d\u5fc3\u69cb\u5efa\u7814\u7a76\uff08redis \u8a3b\u518a\u4e2d\u5fc3\u5be6\u73fe\uff09<\/h1>\n<p>\u5728\u5fae\u670d\u52d9\u67b6\u69cb\u4e2d\uff0c\u8a3b\u518a\u4e2d\u5fc3\u626e\u6f14\u8457\u81f3\u95dc\u91cd\u8981\u7684\u89d2\u8272\u3002\u5b83\u8ca0\u8cac\u7ba1\u7406\u670d\u52d9\u7684\u8a3b\u518a\u548c\u767c\u73fe\uff0c\u78ba\u4fdd\u5404\u500b\u670d\u52d9\u4e4b\u9593\u7684\u901a\u4fe1\u9806\u66a2\u3002\u96a8\u8457\u5fae\u670d\u52d9\u7684\u666e\u53ca\uff0c\u8d8a\u4f86\u8d8a\u591a\u7684\u958b\u767c\u8005\u958b\u59cb\u5c0b\u627e\u9ad8\u6548\u3001\u53ef\u9760\u7684\u8a3b\u518a\u4e2d\u5fc3\u89e3\u6c7a\u65b9\u6848\u3002Redis \u4f5c\u70ba\u4e00\u500b\u9ad8\u6027\u80fd\u7684\u9375\u503c\u6578\u64da\u5eab\uff0c\u56e0\u5176\u5feb\u901f\u7684\u6578\u64da\u5b58\u53d6\u80fd\u529b\u548c\u7c21\u55ae\u7684\u64cd\u4f5c\u63a5\u53e3\uff0c\u6210\u70ba\u4e86\u69cb\u5efa\u8a3b\u518a\u4e2d\u5fc3\u7684\u4e00\u500b\u7406\u60f3\u9078\u64c7\u3002<\/p>\n<h2 id=\"redis-%e7%9a%84%e7%89%b9%e6%80%a7-cyPyduxqze\">Redis \u7684\u7279\u6027<\/h2>\n<p>Redis \u662f\u4e00\u500b\u958b\u6e90\u7684\u5167\u5b58\u6578\u64da\u7d50\u69cb\u5b58\u5132\u7cfb\u7d71\uff0c\u652f\u6301\u591a\u7a2e\u6578\u64da\u7d50\u69cb\uff0c\u5982\u5b57\u7b26\u4e32\u3001\u54c8\u5e0c\u3001\u5217\u8868\u3001\u96c6\u5408\u7b49\u3002\u5176\u4e3b\u8981\u7279\u6027\u5305\u62ec\uff1a<\/p>\n<ul>\n<li><strong>\u9ad8\u6027\u80fd\uff1a<\/strong>Redis \u63d0\u4f9b\u6beb\u79d2\u7d1a\u7684\u97ff\u61c9\u6642\u9593\uff0c\u80fd\u5920\u8655\u7406\u6bcf\u79d2\u6578\u5341\u842c\u6b21\u7684\u8acb\u6c42\u3002<\/li>\n<li><strong>\u6301\u4e45\u5316\uff1a<\/strong>\u652f\u6301 RDB \u548c AOF \u5169\u7a2e\u6301\u4e45\u5316\u65b9\u5f0f\uff0c\u80fd\u5920\u5728\u7cfb\u7d71\u91cd\u555f\u5f8c\u6062\u5fa9\u6578\u64da\u3002<\/li>\n<li><strong>\u7c21\u55ae\u6613\u7528\uff1a<\/strong>\u63d0\u4f9b\u7c21\u55ae\u7684 API\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u8f15\u9b06\u4e0a\u624b\u3002<\/li>\n<li><strong>\u652f\u6301\u767c\u5e03\/\u8a02\u95b1\u6a21\u5f0f\uff1a<\/strong>\u9069\u5408\u7528\u65bc\u5be6\u6642\u6d88\u606f\u50b3\u905e\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%9f%ba%e6%96%bc-redis-%e7%9a%84%e8%a8%bb%e5%86%8a%e4%b8%ad%e5%bf%83%e8%a8%ad%e8%a8%88-cyPyduxqze\">\u57fa\u65bc Redis \u7684\u8a3b\u518a\u4e2d\u5fc3\u8a2d\u8a08<\/h2>\n<p>\u5728\u8a2d\u8a08\u57fa\u65bc Redis \u7684\u8a3b\u518a\u4e2d\u5fc3\u6642\uff0c\u6211\u5011\u9700\u8981\u8003\u616e\u4ee5\u4e0b\u5e7e\u500b\u65b9\u9762\uff1a<\/p>\n<h3 id=\"1-%e6%9c%8d%e5%8b%99%e8%a8%bb%e5%86%8a-cyPyduxqze\">1. \u670d\u52d9\u8a3b\u518a<\/h3>\n<p>\u670d\u52d9\u555f\u52d5\u6642\uff0c\u5c07\u5176\u4fe1\u606f\uff08\u5982\u670d\u52d9\u540d\u7a31\u3001IP \u5730\u5740\u3001\u7aef\u53e3\u865f\u3001\u6b0a\u91cd\u7b49\uff09\u8a3b\u518a\u5230 Redis \u4e2d\u3002\u53ef\u4ee5\u4f7f\u7528 Redis \u7684\u54c8\u5e0c\u7d50\u69cb\u4f86\u5b58\u5132\u9019\u4e9b\u4fe1\u606f\u3002\u4f8b\u5982\uff1a<\/p>\n<pre><code>HMSET service:my-service:1 name \"my-service\" ip \"192.168.1.1\" port \"8080\" weight \"10\"<\/code><\/pre>\n<h3 id=\"2-%e6%9c%8d%e5%8b%99%e7%99%bc%e7%8f%be-cyPyduxqze\">2. \u670d\u52d9\u767c\u73fe<\/h3>\n<p>\u7576\u4e00\u500b\u670d\u52d9\u9700\u8981\u8abf\u7528\u53e6\u4e00\u500b\u670d\u52d9\u6642\uff0c\u53ef\u4ee5\u901a\u904e\u67e5\u8a62 Redis \u7372\u53d6\u8a72\u670d\u52d9\u7684\u5730\u5740\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u4f86\u7372\u53d6\u6240\u6709\u8a3b\u518a\u7684\u670d\u52d9\uff1a<\/p>\n<pre><code>KEYS service:my-service:*<\/code><\/pre>\n<p>\u7136\u5f8c\uff0c\u901a\u904e\u904d\u6b77\u9019\u4e9b\u9375\u4f86\u7372\u53d6\u5177\u9ad4\u7684\u670d\u52d9\u4fe1\u606f\u3002<\/p>\n<h3 id=\"3-%e6%9c%8d%e5%8b%99%e5%bf%83%e8%b7%b3%e6%aa%a2%e6%b8%ac-cyPyduxqze\">3. \u670d\u52d9\u5fc3\u8df3\u6aa2\u6e2c<\/h3>\n<p>\u70ba\u4e86\u78ba\u4fdd\u8a3b\u518a\u7684\u670d\u52d9\u4ecd\u7136\u53ef\u7528\uff0c\u8a3b\u518a\u4e2d\u5fc3\u9700\u8981\u5b9a\u671f\u6aa2\u67e5\u670d\u52d9\u7684\u5065\u5eb7\u72c0\u614b\u3002\u53ef\u4ee5\u901a\u904e\u8a2d\u7f6e\u4e00\u500b\u5fc3\u8df3\u6a5f\u5236\u4f86\u5be6\u73fe\u3002\u670d\u52d9\u6bcf\u9694\u4e00\u6bb5\u6642\u9593\u5411 Redis \u66f4\u65b0\u81ea\u5df1\u7684\u72c0\u614b\uff0c\u4f8b\u5982\uff1a<\/p>\n<pre><code>EXPIRE service:my-service:1 30<\/code><\/pre>\n<p>\u9019\u6a23\uff0c\u5982\u679c\u670d\u52d9\u5728 30 \u79d2\u5167\u6c92\u6709\u66f4\u65b0\uff0c\u5247\u53ef\u4ee5\u8a8d\u70ba\u8a72\u670d\u52d9\u5df2\u7d93\u4e0b\u7dda\uff0c\u4e26\u5f9e\u8a3b\u518a\u4e2d\u5fc3\u4e2d\u522a\u9664\u3002<\/p>\n<h3 id=\"4-%e6%9c%8d%e5%8b%99%e4%b8%8b%e7%b7%9a-cyPyduxqze\">4. \u670d\u52d9\u4e0b\u7dda<\/h3>\n<p>\u7576\u670d\u52d9\u505c\u6b62\u6642\uff0c\u9700\u8981\u5c07\u5176\u5f9e Redis \u4e2d\u522a\u9664\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\uff1a<\/p>\n<pre><code>DEL service:my-service:1<\/code><\/pre>\n<h2 id=\"%e5%af%a6%e7%8f%be%e7%a4%ba%e4%be%8b-cyPyduxqze\">\u5be6\u73fe\u793a\u4f8b<\/h2>\n<p>\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684\u57fa\u65bc Redis \u7684\u8a3b\u518a\u4e2d\u5fc3\u7684\u5be6\u73fe\u793a\u4f8b\uff1a<\/p>\n<pre><code>import redis\nimport time\n\nclass Registry:\n    def __init__(self, host='localhost', port=6379):\n        self.redis = redis.StrictRedis(host=host, port=port)\n\n    def register(self, service_id, service_info):\n        self.redis.hmset(f'service:{service_id}', service_info)\n        self.redis.expire(f'service:{service_id}', 30)  # \u8a2d\u7f6e\u5fc3\u8df3\u8d85\u6642\n\n    def deregister(self, service_id):\n        self.redis.delete(f'service:{service_id}')\n\n    def discover(self, service_name):\n        return self.redis.keys(f'service:{service_name}:*')\n\n# \u4f7f\u7528\u793a\u4f8b\nregistry = Registry()\nregistry.register('my-service:1', {'name': 'my-service', 'ip': '192.168.1.1', 'port': '8080'})\nprint(registry.discover('my-service'))\ntime.sleep(31)  # \u6a21\u64ec\u5fc3\u8df3\u8d85\u6642\nregistry.deregister('my-service:1')\n<\/code><\/pre>\n<h2 id=\"%e7%b8%bd%e7%b5%90-cyPyduxqze\">\u7e3d\u7d50<\/h2>\n<p>\u57fa\u65bc Redis \u7684\u8a3b\u518a\u4e2d\u5fc3\u63d0\u4f9b\u4e86\u4e00\u500b\u9ad8\u6548\u3001\u7c21\u55ae\u7684\u89e3\u6c7a\u65b9\u6848\uff0c\u9069\u5408\u7528\u65bc\u5fae\u670d\u52d9\u67b6\u69cb\u4e2d\u3002\u901a\u904e\u5229\u7528 Redis \u7684\u9ad8\u6027\u80fd\u548c\u7c21\u55ae\u7684\u64cd\u4f5c\u63a5\u53e3\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u8f15\u9b06\u5be6\u73fe\u670d\u52d9\u7684\u8a3b\u518a\u548c\u767c\u73fe\u529f\u80fd\u3002\u96a8\u8457\u5fae\u670d\u52d9\u7684\u767c\u5c55\uff0c\u9019\u7a2e\u57fa\u65bc Redis \u7684\u8a3b\u518a\u4e2d\u5fc3\u5c07\u6703\u8d8a\u4f86\u8d8a\u53d7\u5230\u91cd\u8996\u3002<\/p>\n<p>\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u89e3\u6c7a\u65b9\u6848\u4f86\u90e8\u7f72\u60a8\u7684\u5fae\u670d\u52d9\u67b6\u69cb\uff0cServer.HK \u63d0\u4f9b\u4e86\u591a\u7a2e\u9078\u64c7\uff0c\u6eff\u8db3\u60a8\u7684\u9700\u6c42\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22\u57fa\u65bc Redis \u7684\u8a3b\u518a\u4e2d\u5fc3\u69cb\u5efa\u7814\u7a76\uff0c\u6df1\u5165\u5206\u6790 Redis \u8a3b\u518a\u4e2d\u5fc3\u7684\u5be6\u73fe\u8207\u61c9\u7528\uff0c\u63d0\u5347\u7cfb\u7d71\u6027\u80fd\u8207\u53ef\u64f4\u5c55\u6027\u3002<\/p>\n","protected":false},"author":0,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-161553","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/161553","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=161553"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/161553\/revisions"}],"predecessor-version":[{"id":161554,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/161553\/revisions\/161554"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=161553"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=161553"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=161553"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}