{"id":194255,"date":"2024-11-13T05:08:20","date_gmt":"2024-11-12T21:08:20","guid":{"rendered":"https:\/\/server.hk\/cnblog\/194255\/"},"modified":"2024-11-13T05:08:21","modified_gmt":"2024-11-12T21:08:21","slug":"%e4%bb%a5redis%e5%af%a6%e7%8f%be%e6%a5%b5%e8%87%b4%e6%a9%ab%e5%90%91%e6%93%b4%e5%b1%95%ef%bc%88redis%e6%a9%ab%e5%90%91%e6%93%b4%e5%b1%95%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/194255\/","title":{"rendered":"\u4ee5Redis\u5be6\u73fe\u6975\u81f4\u6a6b\u5411\u64f4\u5c55\uff08redis\u6a6b\u5411\u64f4\u5c55\uff09"},"content":{"rendered":"<h1 id=\"%e4%bb%a5redis%e5%af%a6%e7%8f%be%e6%a5%b5%e8%87%b4%e6%a9%ab%e5%90%91%e6%93%b4%e5%b1%95%ef%bc%88redis%e6%a9%ab%e5%90%91%e6%93%b4%e5%b1%95%ef%bc%89-BOAJZQkmlY\">\u4ee5Redis\u5be6\u73fe\u6975\u81f4\u6a6b\u5411\u64f4\u5c55\uff08redis\u6a6b\u5411\u64f4\u5c55\uff09<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u6578\u64da\u9a45\u52d5\u6642\u4ee3\uff0c\u61c9\u7528\u7a0b\u5e8f\u7684\u6027\u80fd\u548c\u53ef\u64f4\u5c55\u6027\u5c0d\u65bc\u4f01\u696d\u7684\u6210\u529f\u81f3\u95dc\u91cd\u8981\u3002Redis\u4f5c\u70ba\u4e00\u7a2e\u9ad8\u6548\u7684\u5167\u5b58\u6578\u64da\u5eab\uff0c\u56e0\u5176\u5353\u8d8a\u7684\u6027\u80fd\u548c\u9748\u6d3b\u7684\u6578\u64da\u7d50\u69cb\u800c\u53d7\u5230\u5ee3\u6cdb\u95dc\u6ce8\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u5229\u7528Redis\u5be6\u73fe\u6975\u81f4\u7684\u6a6b\u5411\u64f4\u5c55\uff0c\u4e26\u63d0\u4f9b\u4e00\u4e9b\u5be6\u7528\u7684\u793a\u4f8b\u548c\u6700\u4f73\u5be6\u8e10\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af%e6%a9%ab%e5%90%91%e6%93%b4%e5%b1%95%ef%bc%9f-BOAJZQkmlY\">\u4ec0\u9ebc\u662f\u6a6b\u5411\u64f4\u5c55\uff1f<\/h2>\n<p>\u6a6b\u5411\u64f4\u5c55\uff08Horizontal Scaling\uff09\u662f\u6307\u901a\u904e\u589e\u52a0\u66f4\u591a\u7684\u4f3a\u670d\u5668\u4f86\u64f4\u5c55\u7cfb\u7d71\u7684\u80fd\u529b\uff0c\u800c\u4e0d\u662f\u901a\u904e\u5347\u7d1a\u73fe\u6709\u4f3a\u670d\u5668\u7684\u786c\u4ef6\uff08\u5373\u7e31\u5411\u64f4\u5c55\uff09\u3002\u9019\u7a2e\u64f4\u5c55\u65b9\u5f0f\u80fd\u5920\u66f4\u9748\u6d3b\u5730\u61c9\u5c0d\u6d41\u91cf\u7684\u8b8a\u5316\uff0c\u4e26\u4e14\u901a\u5e38\u80fd\u5920\u964d\u4f4e\u6210\u672c\u3002\u5c0d\u65bc\u4f7f\u7528Redis\u7684\u61c9\u7528\u7a0b\u5e8f\u4f86\u8aaa\uff0c\u6a6b\u5411\u64f4\u5c55\u662f\u4e00\u500b\u91cd\u8981\u7684\u8003\u91cf\uff0c\u56e0\u70baRedis\u672c\u8eab\u662f\u4e00\u500b\u55ae\u57f7\u884c\u7dd2\u7684\u7cfb\u7d71\uff0c\u9019\u610f\u5473\u8457\u5b83\u5728\u55ae\u500b\u5be6\u4f8b\u4e0a\u7684\u6027\u80fd\u662f\u6709\u9650\u7684\u3002<\/p>\n<h2 id=\"redis%e7%9a%84%e6%a9%ab%e5%90%91%e6%93%b4%e5%b1%95%e6%96%b9%e6%b3%95-BOAJZQkmlY\">Redis\u7684\u6a6b\u5411\u64f4\u5c55\u65b9\u6cd5<\/h2>\n<p>Redis\u63d0\u4f9b\u4e86\u5e7e\u7a2e\u4e0d\u540c\u7684\u6a6b\u5411\u64f4\u5c55\u65b9\u6cd5\uff0c\u4e3b\u8981\u5305\u62ec\u5206\u7247\uff08Sharding\uff09\u548c\u4e3b\u5f9e\u8907\u88fd\uff08Master-Slave Replication\uff09\u3002<\/p>\n<h3 id=\"1-%e5%88%86%e7%89%87%ef%bc%88sharding%ef%bc%89-BOAJZQkmlY\">1. \u5206\u7247\uff08Sharding\uff09<\/h3>\n<p>\u5206\u7247\u662f\u5c07\u6578\u64da\u5206\u6563\u5230\u591a\u500bRedis\u5be6\u4f8b\u4e2d\u7684\u4e00\u7a2e\u65b9\u6cd5\u3002\u9019\u6a23\u53ef\u4ee5\u6709\u6548\u5730\u5206\u6563\u8ca0\u8f09\uff0c\u4e26\u63d0\u9ad8\u6574\u9ad4\u6027\u80fd\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684\u5206\u7247\u793a\u4f8b\uff1a<\/p>\n<pre><code>\n# \u5047\u8a2d\u6211\u5011\u6709\u4e09\u500bRedis\u5be6\u4f8b\nredis1 = Redis(host='192.168.1.1', port=6379)\nredis2 = Redis(host='192.168.1.2', port=6379)\nredis3 = Redis(host='192.168.1.3', port=6379)\n\n# \u6839\u64da\u9375\u7684\u54c8\u5e0c\u503c\u9078\u64c7\u5be6\u4f8b\ndef get_redis_instance(key):\n    hash_value = hash(key) % 3\n    if hash_value == 0:\n        return redis1\n    elif hash_value == 1:\n        return redis2\n    else:\n        return redis3\n\n# \u4f7f\u7528\u793a\u4f8b\nredis_instance = get_redis_instance('my_key')\nredis_instance.set('my_key', 'my_value')\n<\/code><\/pre>\n<h3 id=\"2-%e4%b8%bb%e5%be%9e%e8%a4%87%e8%a3%bd%ef%bc%88master-slave-replication%ef%bc%89-BOAJZQkmlY\">2. \u4e3b\u5f9e\u8907\u88fd\uff08Master-Slave Replication\uff09<\/h3>\n<p>\u4e3b\u5f9e\u8907\u88fd\u5141\u8a31\u4e00\u500b\u4e3bRedis\u5be6\u4f8b\u5c07\u6578\u64da\u8907\u88fd\u5230\u591a\u500b\u5f9eRedis\u5be6\u4f8b\u4e2d\u3002\u9019\u6a23\u53ef\u4ee5\u63d0\u9ad8\u8b80\u53d6\u6027\u80fd\uff0c\u56e0\u70ba\u8b80\u53d6\u8acb\u6c42\u53ef\u4ee5\u5206\u6563\u5230\u591a\u500b\u5f9e\u5be6\u4f8b\u4e0a\u3002\u4ee5\u4e0b\u662f\u8a2d\u7f6e\u4e3b\u5f9e\u8907\u88fd\u7684\u57fa\u672c\u6b65\u9a5f\uff1a<\/p>\n<pre><code>\n# \u5728\u5f9e\u5be6\u4f8b\u4e0a\u914d\u7f6e\u4e3b\u5be6\u4f8b\nslaveof 192.168.1.1 6379\n<\/code><\/pre>\n<p>\u9019\u6a23\uff0c\u5f9e\u5be6\u4f8b\u5c07\u81ea\u52d5\u5f9e\u4e3b\u5be6\u4f8b\u4e2d\u7372\u53d6\u6578\u64da\uff0c\u4e26\u4fdd\u6301\u540c\u6b65\u3002\u9019\u7a2e\u65b9\u6cd5\u7279\u5225\u9069\u5408\u65bc\u8b80\u53d6\u5bc6\u96c6\u578b\u7684\u61c9\u7528\u7a0b\u5e8f\u3002<\/p>\n<h2 id=\"redis%e9%9b%86%e7%be%a4-BOAJZQkmlY\">Redis\u96c6\u7fa4<\/h2>\n<p>Redis\u9084\u63d0\u4f9b\u4e86\u96c6\u7fa4\u6a21\u5f0f\uff0c\u9019\u662f\u4e00\u7a2e\u66f4\u9ad8\u7d1a\u7684\u6a6b\u5411\u64f4\u5c55\u89e3\u6c7a\u65b9\u6848\u3002Redis\u96c6\u7fa4\u5141\u8a31\u81ea\u52d5\u5206\u7247\u548c\u6545\u969c\u8f49\u79fb\uff0c\u4e26\u4e14\u80fd\u5920\u5728\u591a\u500b\u7bc0\u9ede\u4e4b\u9593\u5206\u914d\u6578\u64da\u3002\u9019\u6a23\u53ef\u4ee5\u9032\u4e00\u6b65\u63d0\u9ad8\u53ef\u7528\u6027\u548c\u6027\u80fd\u3002<\/p>\n<h3 id=\"%e9%9b%86%e7%be%a4%e9%85%8d%e7%bd%ae%e7%a4%ba%e4%be%8b-BOAJZQkmlY\">\u96c6\u7fa4\u914d\u7f6e\u793a\u4f8b<\/h3>\n<p>\u8981\u8a2d\u7f6eRedis\u96c6\u7fa4\uff0c\u9996\u5148\u9700\u8981\u555f\u52d5\u591a\u500bRedis\u5be6\u4f8b\uff0c\u7136\u5f8c\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u9032\u884c\u96c6\u7fa4\u914d\u7f6e\uff1a<\/p>\n<pre><code>\nredis-cli --cluster create 192.168.1.1:6379 192.168.1.2:6379 192.168.1.3:6379 --cluster-replicas 1\n<\/code><\/pre>\n<p>\u9019\u6a23\u5c31\u53ef\u4ee5\u5275\u5efa\u4e00\u500b\u5305\u542b\u4e09\u500b\u4e3b\u7bc0\u9ede\u548c\u4e09\u500b\u5f9e\u7bc0\u9ede\u7684Redis\u96c6\u7fa4\u3002<\/p>\n<h2 id=\"%e6%9c%80%e4%bd%b3%e5%af%a6%e8%b8%90-BOAJZQkmlY\">\u6700\u4f73\u5be6\u8e10<\/h2>\n<ul>\n<li>\u5b9a\u671f\u76e3\u63a7Redis\u5be6\u4f8b\u7684\u6027\u80fd\uff0c\u78ba\u4fdd\u5176\u904b\u884c\u5728\u6700\u4f73\u72c0\u614b\u3002<\/li>\n<li>\u4f7f\u7528\u6301\u4e45\u5316\u529f\u80fd\uff08\u5982RDB\u6216AOF\uff09\u4f86\u4fdd\u8b77\u6578\u64da\uff0c\u9632\u6b62\u6578\u64da\u4e1f\u5931\u3002<\/li>\n<li>\u5408\u7406\u8a2d\u8a08\u6578\u64da\u7d50\u69cb\uff0c\u4ee5\u63d0\u9ad8\u67e5\u8a62\u6548\u7387\u3002<\/li>\n<li>\u8003\u616e\u4f7f\u7528Redis\u7684\u5167\u5efa\u529f\u80fd\uff0c\u5982\u904e\u671f\u9375\u548c\u767c\u5e03\/\u8a02\u95b1\u6a21\u5f0f\uff0c\u4ee5\u63d0\u9ad8\u61c9\u7528\u7a0b\u5e8f\u7684\u9748\u6d3b\u6027\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-BOAJZQkmlY\">\u7e3d\u7d50<\/h2>\n<p>\u5229\u7528Redis\u5be6\u73fe\u6a6b\u5411\u64f4\u5c55\u662f\u4e00\u7a2e\u6709\u6548\u7684\u63d0\u5347\u61c9\u7528\u7a0b\u5e8f\u6027\u80fd\u548c\u53ef\u7528\u6027\u7684\u7b56\u7565\u3002\u901a\u904e\u5206\u7247\u3001\u4e3b\u5f9e\u8907\u88fd\u548c\u96c6\u7fa4\u6a21\u5f0f\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u9748\u6d3b\u5730\u61c9\u5c0d\u4e0d\u65b7\u589e\u9577\u7684\u6578\u64da\u9700\u6c42\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u6027\u80fd\u548c\u9ad8\u53ef\u7528\u6027\u7684\u61c9\u7528\u7a0b\u5e8f\uff0c\u9078\u64c7\u5408\u9069\u7684\u6a6b\u5411\u64f4\u5c55\u65b9\u6848\u81f3\u95dc\u91cd\u8981\u3002\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u53ef\u9760\u7684 <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u89e3\u6c7a\u65b9\u6848\uff0cServer.HK \u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\u4ee5\u6eff\u8db3\u60a8\u7684\u9700\u6c42\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22\u5982\u4f55\u4ee5Redis\u5be6\u73fe\u6975\u81f4\u6a6b\u5411\u64f4\u5c55\uff0c\u63d0\u5347\u7cfb\u7d71\u6027\u80fd\u8207\u53ef\u64f4\u5c55\u6027\uff0c\u6eff\u8db3\u9ad8\u6d41\u91cf\u9700\u6c42\u7684\u6700\u4f73\u89e3\u6c7a\u65b9\u6848\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-194255","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/194255","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=194255"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/194255\/revisions"}],"predecessor-version":[{"id":194256,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/194255\/revisions\/194256"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=194255"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=194255"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=194255"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}