{"id":184448,"date":"2024-11-10T13:18:18","date_gmt":"2024-11-10T05:18:18","guid":{"rendered":"https:\/\/server.hk\/cnblog\/184448\/"},"modified":"2024-11-10T13:18:19","modified_gmt":"2024-11-10T05:18:19","slug":"%e4%bd%bf%e7%94%a8redis%e9%9b%86%e7%be%a4%e5%af%a6%e7%8f%beset%e6%93%8d%e4%bd%9c%ef%bc%88redis%e9%9b%86%e7%be%a4set%e6%93%8d%e4%bd%9c%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/184448\/","title":{"rendered":"\u4f7f\u7528Redis\u96c6\u7fa4\u5be6\u73feSET\u64cd\u4f5c\uff08redis\u96c6\u7fa4set\u64cd\u4f5c\uff09"},"content":{"rendered":"<h1 id=\"%e4%bd%bf%e7%94%a8redis%e9%9b%86%e7%be%a4%e5%af%a6%e7%8f%beset%e6%93%8d%e4%bd%9c%ef%bc%88redis%e9%9b%86%e7%be%a4set%e6%93%8d%e4%bd%9c%ef%bc%89-drVbNiHhJX\">\u4f7f\u7528Redis\u96c6\u7fa4\u5be6\u73feSET\u64cd\u4f5c\uff08redis\u96c6\u7fa4set\u64cd\u4f5c\uff09<\/h1>\n<p>Redis\u662f\u4e00\u500b\u9ad8\u6548\u7684\u9375\u503c\u5b58\u5132\u7cfb\u7d71\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u6578\u64da\u7de9\u5b58\u3001\u6d88\u606f\u968a\u5217\u548c\u5be6\u6642\u6578\u64da\u8655\u7406\u7b49\u5834\u666f\u3002\u96a8\u8457\u61c9\u7528\u9700\u6c42\u7684\u589e\u9577\uff0c\u55ae\u4e00Redis\u5be6\u4f8b\u53ef\u80fd\u7121\u6cd5\u6eff\u8db3\u6027\u80fd\u548c\u53ef\u64f4\u5c55\u6027\u7684\u8981\u6c42\uff0c\u56e0\u6b64Redis\u96c6\u7fa4\u61c9\u904b\u800c\u751f\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u5728Redis\u96c6\u7fa4\u4e2d\u5be6\u73feSET\u64cd\u4f5c\uff0c\u4e26\u63d0\u4f9b\u76f8\u95dc\u7684\u793a\u4f8b\u548c\u4ee3\u78bc\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%afredis%e9%9b%86%e7%be%a4%ef%bc%9f-drVbNiHhJX\">\u4ec0\u9ebc\u662fRedis\u96c6\u7fa4\uff1f<\/h2>\n<p>Redis\u96c6\u7fa4\u662f\u4e00\u7a2e\u5206\u4f48\u5f0f\u67b6\u69cb\uff0c\u5141\u8a31\u5c07\u6578\u64da\u5206\u6563\u5230\u591a\u500bRedis\u5be6\u4f8b\u4e2d\u3002\u9019\u6a23\u4e0d\u50c5\u63d0\u9ad8\u4e86\u6578\u64da\u7684\u53ef\u7528\u6027\uff0c\u9084\u80fd\u5920\u5be6\u73fe\u6c34\u5e73\u64f4\u5c55\u3002Redis\u96c6\u7fa4\u7684\u4e3b\u8981\u7279\u9ede\u5305\u62ec\uff1a<\/p>\n<ul>\n<li>\u81ea\u52d5\u5206\u7247\uff1a\u6578\u64da\u6839\u64da\u9375\u7684\u54c8\u5e0c\u503c\u81ea\u52d5\u5206\u914d\u5230\u4e0d\u540c\u7684\u7bc0\u9ede\u3002<\/li>\n<li>\u9ad8\u53ef\u7528\u6027\uff1a\u652f\u6301\u4e3b\u5f9e\u8907\u88fd\uff0c\u7576\u4e3b\u7bc0\u9ede\u6545\u969c\u6642\uff0c\u53ef\u4ee5\u81ea\u52d5\u5207\u63db\u5230\u5f9e\u7bc0\u9ede\u3002<\/li>\n<li>\u7121\u4e2d\u5fc3\u5316\uff1a\u6bcf\u500b\u7bc0\u9ede\u90fd\u662f\u5e73\u7b49\u7684\uff0c\u6c92\u6709\u55ae\u9ede\u6545\u969c\u3002<\/li>\n<\/ul>\n<h2 id=\"redis%e9%9b%86%e7%be%a4%e4%b8%ad%e7%9a%84set%e6%93%8d%e4%bd%9c-drVbNiHhJX\">Redis\u96c6\u7fa4\u4e2d\u7684SET\u64cd\u4f5c<\/h2>\n<p>\u5728Redis\u96c6\u7fa4\u4e2d\uff0cSET\u64cd\u4f5c\u7684\u57fa\u672c\u8a9e\u6cd5\u8207\u55ae\u4e00Redis\u5be6\u4f8b\u76f8\u540c\uff0c\u4f46\u5728\u5be6\u969b\u64cd\u4f5c\u4e2d\u9700\u8981\u8003\u616e\u6578\u64da\u7684\u5206\u7247\u3002\u4ee5\u4e0b\u662fSET\u64cd\u4f5c\u7684\u57fa\u672c\u8a9e\u6cd5\uff1a<\/p>\n<pre><code>SET key value<\/code><\/pre>\n<p>\u7136\u800c\uff0c\u5728\u96c6\u7fa4\u74b0\u5883\u4e2d\uff0c\u9375\u7684\u54c8\u5e0c\u69fd\uff08hash slot\uff09\u6c7a\u5b9a\u4e86\u6578\u64da\u5b58\u5132\u5728\u54ea\u500b\u7bc0\u9ede\u3002Redis\u96c6\u7fa4\u5c07\u9375\u7684\u54c8\u5e0c\u503c\u6620\u5c04\u52300\u523016383\u4e4b\u9593\u7684\u54c8\u5e0c\u69fd\u3002\u9019\u610f\u5473\u8457\u5728\u9032\u884cSET\u64cd\u4f5c\u6642\uff0c\u5fc5\u9808\u78ba\u4fdd\u9375\u7684\u54c8\u5e0c\u69fd\u8207\u76f8\u61c9\u7684\u7bc0\u9ede\u5339\u914d\u3002<\/p>\n<h3 id=\"%e5%a6%82%e4%bd%95%e8%a8%88%e7%ae%97%e5%93%88%e5%b8%8c%e6%a7%bd-drVbNiHhJX\">\u5982\u4f55\u8a08\u7b97\u54c8\u5e0c\u69fd<\/h3>\n<p>Redis\u4f7f\u7528CRC16\u7b97\u6cd5\u4f86\u8a08\u7b97\u9375\u7684\u54c8\u5e0c\u69fd\u3002\u5177\u9ad4\u4f86\u8aaa\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u516c\u5f0f\uff1a<\/p>\n<pre><code>hash_slot = CRC16(key) mod 16384<\/code><\/pre>\n<p>\u9019\u88e1\u7684`CRC16(key)`\u662f\u8a08\u7b97\u9375\u7684CRC16\u54c8\u5e0c\u503c\uff0c\u7136\u5f8c\u53d6\u6a2116384\u4ee5\u7372\u5f97\u54c8\u5e0c\u69fd\u7684\u7d22\u5f15\u3002<\/p>\n<h3 id=\"set%e6%93%8d%e4%bd%9c%e7%a4%ba%e4%be%8b-drVbNiHhJX\">SET\u64cd\u4f5c\u793a\u4f8b<\/h3>\n<p>\u4ee5\u4e0b\u662f\u4e00\u500b\u5728Redis\u96c6\u7fa4\u4e2d\u57f7\u884cSET\u64cd\u4f5c\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>import redis\n\n# \u9023\u63a5\u5230Redis\u96c6\u7fa4\ncluster = redis.StrictRedisCluster(startup_nodes=[{'host': '127.0.0.1', 'port': '7000'}])\n\n# \u57f7\u884cSET\u64cd\u4f5c\ncluster.set('mykey', 'myvalue')\n\n# \u78ba\u8a8d\u503c\u662f\u5426\u8a2d\u7f6e\u6210\u529f\nvalue = cluster.get('mykey')\nprint(value)  # \u8f38\u51fa: b'myvalue'\n<\/code><\/pre>\n<p>\u5728\u9019\u500b\u793a\u4f8b\u4e2d\uff0c\u6211\u5011\u9996\u5148\u9023\u63a5\u5230Redis\u96c6\u7fa4\uff0c\u7136\u5f8c\u4f7f\u7528`set`\u65b9\u6cd5\u8a2d\u7f6e\u9375\u503c\u5c0d\uff0c\u6700\u5f8c\u901a\u904e`get`\u65b9\u6cd5\u6aa2\u7d22\u503c\u3002<\/p>\n<h2 id=\"%e6%b3%a8%e6%84%8f%e4%ba%8b%e9%a0%85-drVbNiHhJX\">\u6ce8\u610f\u4e8b\u9805<\/h2>\n<p>\u5728\u4f7f\u7528Redis\u96c6\u7fa4\u9032\u884cSET\u64cd\u4f5c\u6642\uff0c\u6709\u5e7e\u9ede\u9700\u8981\u6ce8\u610f\uff1a<\/p>\n<ul>\n<li>\u78ba\u4fdd\u9375\u7684\u547d\u540d\u898f\u5247\u4e00\u81f4\uff0c\u4ee5\u4fbf\u65bc\u7ba1\u7406\u548c\u67e5\u8a62\u3002<\/li>\n<li>\u5728\u9032\u884c\u591a\u500b\u64cd\u4f5c\u6642\uff0c\u8003\u616e\u4f7f\u7528\u4e8b\u52d9\u6216\u7ba1\u9053\u6280\u8853\u4f86\u63d0\u9ad8\u6027\u80fd\u3002<\/li>\n<li>\u5b9a\u671f\u6aa2\u67e5\u96c6\u7fa4\u7684\u5065\u5eb7\u72c0\u614b\uff0c\u78ba\u4fdd\u6240\u6709\u7bc0\u9ede\u6b63\u5e38\u904b\u884c\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-drVbNiHhJX\">\u7e3d\u7d50<\/h2>\n<p>Redis\u96c6\u7fa4\u63d0\u4f9b\u4e86\u4e00\u7a2e\u9ad8\u6548\u7684\u65b9\u5f0f\u4f86\u7ba1\u7406\u5927\u91cf\u6578\u64da\uff0c\u4e26\u652f\u6301\u9ad8\u53ef\u7528\u6027\u548c\u53ef\u64f4\u5c55\u6027\u3002\u5728\u96c6\u7fa4\u4e2d\u57f7\u884cSET\u64cd\u4f5c\u6642\uff0c\u4e86\u89e3\u54c8\u5e0c\u69fd\u7684\u8a08\u7b97\u548c\u6578\u64da\u5206\u7247\u662f\u81f3\u95dc\u91cd\u8981\u7684\u3002\u901a\u904e\u6b63\u78ba\u7684\u64cd\u4f5c\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u5145\u5206\u5229\u7528Redis\u96c6\u7fa4\u7684\u512a\u52e2\uff0c\u63d0\u5347\u61c9\u7528\u7684\u6027\u80fd\u548c\u7a69\u5b9a\u6027\u3002<\/p>\n<p>\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\uff0c\u6eff\u8db3\u4e0d\u540c\u9700\u6c42\u7684\u5ba2\u6236\u3002\u7121\u8ad6\u662f\u6578\u64da\u5b58\u5132\u9084\u662f\u61c9\u7528\u90e8\u7f72\uff0c\u6211\u5011\u7684 <a href=\"https:\/\/server.hk\">\u4f3a\u670d\u5668<\/a> \u90fd\u80fd\u70ba\u60a8\u63d0\u4f9b\u7a69\u5b9a\u7684\u652f\u6301\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e86\u89e3\u5982\u4f55\u5728Redis\u96c6\u7fa4\u4e2d\u9ad8\u6548\u5be6\u73feSET\u64cd\u4f5c\uff0c\u63d0\u5347\u6578\u64da\u5b58\u5132\u6027\u80fd\u8207\u53ef\u64f4\u5c55\u6027\uff0c\u512a\u5316\u61c9\u7528\u7a0b\u5e8f\u7684\u6578\u64da\u7ba1\u7406\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-184448","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/184448","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=184448"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/184448\/revisions"}],"predecessor-version":[{"id":184449,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/184448\/revisions\/184449"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=184448"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=184448"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=184448"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}