{"id":124687,"date":"2024-10-25T16:18:37","date_gmt":"2024-10-25T08:18:37","guid":{"rendered":"https:\/\/server.hk\/cnblog\/124687\/"},"modified":"2024-10-25T16:18:37","modified_gmt":"2024-10-25T08:18:37","slug":"redis-%e9%9b%86%e7%be%a4%e8%87%aa%e5%8b%95%e5%8c%96%e5%b0%8b%e5%9d%80%e5%af%a6%e7%8f%be","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/124687\/","title":{"rendered":"Redis \u96c6\u7fa4\u81ea\u52d5\u5316\u5c0b\u5740\u5be6\u73fe"},"content":{"rendered":"<h1 id=\"redis-%e9%9b%86%e7%be%a4%e8%87%aa%e5%8b%95%e5%8c%96%e5%b0%8b%e5%9d%80%e5%af%a6%e7%8f%be-iWjTlTiaRz\">Redis \u96c6\u7fa4\u81ea\u52d5\u5316\u5c0b\u5740\u5be6\u73fe<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u6578\u64da\u9a45\u52d5\u4e16\u754c\u4e2d\uff0cRedis \u4f5c\u70ba\u4e00\u500b\u9ad8\u6548\u7684\u9375\u503c\u5b58\u5132\u7cfb\u7d71\uff0c\u5df2\u7d93\u88ab\u5ee3\u6cdb\u61c9\u7528\u65bc\u5404\u7a2e\u5834\u666f\u4e2d\u3002\u96a8\u8457\u61c9\u7528\u9700\u6c42\u7684\u589e\u9577\uff0cRedis \u96c6\u7fa4\u7684\u4f7f\u7528\u8b8a\u5f97\u8d8a\u4f86\u8d8a\u666e\u904d\u3002\u672c\u6587\u5c07\u63a2\u8a0e Redis \u96c6\u7fa4\u7684\u81ea\u52d5\u5316\u5c0b\u5740\u5be6\u73fe\uff0c\u5e6b\u52a9\u958b\u767c\u8005\u66f4\u597d\u5730\u7406\u89e3\u5982\u4f55\u5728\u96c6\u7fa4\u74b0\u5883\u4e2d\u7ba1\u7406\u548c\u8a2a\u554f\u6578\u64da\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af-redis-%e9%9b%86%e7%be%a4%ef%bc%9f-iWjTlTiaRz\">\u4ec0\u9ebc\u662f Redis \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\u500b Redis \u7bc0\u9ede\u4e0a\u3002\u9019\u7a2e\u67b6\u69cb\u4e0d\u50c5\u63d0\u9ad8\u4e86\u6578\u64da\u7684\u53ef\u7528\u6027\uff0c\u9084\u80fd\u5920\u64f4\u5c55\u7cfb\u7d71\u7684\u6027\u80fd\u3002Redis \u96c6\u7fa4\u901a\u904e\u5206\u7247\u6280\u8853\u5c07\u6578\u64da\u5206\u914d\u5230\u4e0d\u540c\u7684\u7bc0\u9ede\uff0c\u4e26\u4e14\u6bcf\u500b\u7bc0\u9ede\u90fd\u53ef\u4ee5\u7368\u7acb\u8655\u7406\u8acb\u6c42\u3002<\/p>\n<h2 id=\"%e8%87%aa%e5%8b%95%e5%8c%96%e5%b0%8b%e5%9d%80%e7%9a%84%e5%bf%85%e8%a6%81%e6%80%a7-iWjTlTiaRz\">\u81ea\u52d5\u5316\u5c0b\u5740\u7684\u5fc5\u8981\u6027<\/h2>\n<p>\u5728 Redis \u96c6\u7fa4\u4e2d\uff0c\u6578\u64da\u7684\u5c0b\u5740\u662f\u81f3\u95dc\u91cd\u8981\u7684\u3002\u7576\u61c9\u7528\u7a0b\u5e8f\u9700\u8981\u8a2a\u554f\u67d0\u500b\u9375\u6642\uff0c\u5fc5\u9808\u77e5\u9053\u8a72\u9375\u6240\u5728\u7684\u5177\u9ad4\u7bc0\u9ede\u3002\u624b\u52d5\u7ba1\u7406\u9019\u4e9b\u5c0b\u5740\u4fe1\u606f\u4e0d\u50c5\u7e41\u7463\uff0c\u9084\u5bb9\u6613\u51fa\u932f\u3002\u56e0\u6b64\uff0c\u81ea\u52d5\u5316\u5c0b\u5740\u7684\u5be6\u73fe\u80fd\u5920\u986f\u8457\u63d0\u9ad8\u7cfb\u7d71\u7684\u7a69\u5b9a\u6027\u548c\u6548\u7387\u3002<\/p>\n<h2 id=\"redis-%e9%9b%86%e7%be%a4%e7%9a%84%e8%87%aa%e5%8b%95%e5%8c%96%e5%b0%8b%e5%9d%80%e5%af%a6%e7%8f%be-iWjTlTiaRz\">Redis \u96c6\u7fa4\u7684\u81ea\u52d5\u5316\u5c0b\u5740\u5be6\u73fe<\/h2>\n<p>Redis \u96c6\u7fa4\u7684\u81ea\u52d5\u5316\u5c0b\u5740\u4e3b\u8981\u4f9d\u8cf4\u65bc\u4ee5\u4e0b\u5e7e\u500b\u95dc\u9375\u7d44\u4ef6\uff1a<\/p>\n<ul>\n<li><strong>\u54c8\u5e0c\u69fd\uff08Hash Slots\uff09<\/strong>: Redis \u96c6\u7fa4\u5c07\u6240\u6709\u7684\u9375\u6620\u5c04\u5230 0 \u5230 16383 \u7684\u54c8\u5e0c\u69fd\u4e2d\u3002\u6bcf\u500b\u9375\u5728\u5b58\u5132\u6642\u6703\u6839\u64da\u5176\u54c8\u5e0c\u503c\u88ab\u5206\u914d\u5230\u4e00\u500b\u7279\u5b9a\u7684\u54c8\u5e0c\u69fd\u3002<\/li>\n<li><strong>\u7bc0\u9ede\u4fe1\u606f<\/strong>: \u6bcf\u500b Redis \u7bc0\u9ede\u90fd\u6703\u4fdd\u5b58\u96c6\u7fa4\u7684\u5143\u6578\u64da\uff0c\u5305\u62ec\u5176\u4ed6\u7bc0\u9ede\u7684\u5730\u5740\u548c\u54c8\u5e0c\u69fd\u7684\u5206\u914d\u60c5\u6cc1\u3002<\/li>\n<li><strong>\u96c6\u7fa4\u547d\u4ee4<\/strong>: Redis \u63d0\u4f9b\u4e86\u4e00\u7cfb\u5217\u96c6\u7fa4\u547d\u4ee4\uff0c\u5982 <code>CLUSTER SLOTS<\/code> \u548c <code>CLUSTER NODES<\/code>\uff0c\u7528\u65bc\u67e5\u8a62\u96c6\u7fa4\u7684\u72c0\u614b\u548c\u7bc0\u9ede\u4fe1\u606f\u3002<\/li>\n<\/ul>\n<h3 id=\"%e5%93%88%e5%b8%8c%e6%a7%bd%e7%9a%84%e8%a8%88%e7%ae%97-iWjTlTiaRz\">\u54c8\u5e0c\u69fd\u7684\u8a08\u7b97<\/h3>\n<p>\u7576\u4e00\u500b\u9375\u88ab\u63d2\u5165\u5230 Redis \u96c6\u7fa4\u4e2d\u6642\uff0cRedis \u6703\u4f7f\u7528\u4ee5\u4e0b\u516c\u5f0f\u8a08\u7b97\u8a72\u9375\u7684\u54c8\u5e0c\u69fd\uff1a<\/p>\n<pre><code>hash_slot = crc16(key) mod 16384<\/code><\/pre>\n<p>\u9019\u88e1\u7684 <code>crc16<\/code> \u662f\u4e00\u7a2e\u54c8\u5e0c\u7b97\u6cd5\uff0c\u80fd\u5920\u5c07\u9375\u8f49\u63db\u70ba\u4e00\u500b\u6574\u6578\uff0c\u7136\u5f8c\u901a\u904e\u53d6\u6a21\u904b\u7b97\u78ba\u5b9a\u5176\u54c8\u5e0c\u69fd\u3002<\/p>\n<h3 id=\"%e8%87%aa%e5%8b%95%e5%8c%96%e5%b0%8b%e5%9d%80%e7%9a%84%e6%b5%81%e7%a8%8b-iWjTlTiaRz\">\u81ea\u52d5\u5316\u5c0b\u5740\u7684\u6d41\u7a0b<\/h3>\n<p>\u81ea\u52d5\u5316\u5c0b\u5740\u7684\u57fa\u672c\u6d41\u7a0b\u5982\u4e0b\uff1a<\/p>\n<ol>\n<li>\u7576\u61c9\u7528\u7a0b\u5e8f\u9700\u8981\u8a2a\u554f\u67d0\u500b\u9375\u6642\uff0c\u9996\u5148\u8a08\u7b97\u8a72\u9375\u7684\u54c8\u5e0c\u69fd\u3002<\/li>\n<li>\u67e5\u8a62\u672c\u5730\u7684\u7bc0\u9ede\u4fe1\u606f\uff0c\u7372\u53d6\u8a72\u54c8\u5e0c\u69fd\u6240\u5c0d\u61c9\u7684\u7bc0\u9ede\u5730\u5740\u3002<\/li>\n<li>\u5982\u679c\u672c\u5730\u7bc0\u9ede\u7121\u6cd5\u63d0\u4f9b\u8a72\u4fe1\u606f\uff0c\u5247\u901a\u904e\u96c6\u7fa4\u547d\u4ee4\u5411\u5176\u4ed6\u7bc0\u9ede\u8acb\u6c42\u3002<\/li>\n<li>\u6839\u64da\u7372\u53d6\u7684\u7bc0\u9ede\u5730\u5740\uff0c\u5411\u76f8\u61c9\u7684 Redis \u7bc0\u9ede\u767c\u9001\u8acb\u6c42\u3002<\/li>\n<\/ol>\n<h2 id=\"%e7%a4%ba%e4%be%8b%e4%bb%a3%e7%a2%bc-iWjTlTiaRz\">\u793a\u4f8b\u4ee3\u78bc<\/h2>\n<p>\u4ee5\u4e0b\u662f\u4e00\u6bb5\u4f7f\u7528 Python \u7684\u793a\u4f8b\u4ee3\u78bc\uff0c\u5c55\u793a\u5982\u4f55\u5728 Redis \u96c6\u7fa4\u4e2d\u81ea\u52d5\u5c0b\u5740\uff1a<\/p>\n<pre><code>\nimport redis\nfrom rediscluster import RedisCluster\n\n# \u521d\u59cb\u5316 Redis \u96c6\u7fa4\nstartup_nodes = [{\"host\": \"127.0.0.1\", \"port\": \"7000\"},\n                 {\"host\": \"127.0.0.1\", \"port\": \"7001\"}]\nrc = RedisCluster(startup_nodes=startup_nodes, decode_responses=True)\n\n# \u8a2d\u7f6e\u9375\u503c\nrc.set(\"my_key\", \"my_value\")\n\n# \u7372\u53d6\u9375\u503c\nvalue = rc.get(\"my_key\")\nprint(value)  # \u8f38\u51fa: my_value\n<\/code><\/pre>\n<h2 id=\"%e7%b5%90%e8%ab%96-iWjTlTiaRz\">\u7d50\u8ad6<\/h2>\n<p>Redis \u96c6\u7fa4\u7684\u81ea\u52d5\u5316\u5c0b\u5740\u5be6\u73fe\u662f\u63d0\u5347\u7cfb\u7d71\u6027\u80fd\u548c\u7a69\u5b9a\u6027\u7684\u95dc\u9375\u3002\u901a\u904e\u54c8\u5e0c\u69fd\u7684\u8a08\u7b97\u548c\u7bc0\u9ede\u4fe1\u606f\u7684\u7ba1\u7406\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u6709\u6548\u5730\u8a2a\u554f\u548c\u7ba1\u7406\u5206\u4f48\u5728\u4e0d\u540c\u7bc0\u9ede\u4e0a\u7684\u6578\u64da\u3002\u96a8\u8457\u6280\u8853\u7684\u9032\u6b65\uff0cRedis \u96c6\u7fa4\u7684\u61c9\u7528\u5834\u666f\u5c07\u6703\u66f4\u52a0\u5ee3\u6cdb\uff0c\u5c0d\u65bc\u958b\u767c\u8005\u4f86\u8aaa\uff0c\u638c\u63e1\u9019\u4e00\u6280\u8853\u5c07\u662f\u672a\u4f86\u5de5\u4f5c\u7684\u5fc5\u8981\u6280\u80fd\u3002<\/p>\n<p>\u5982\u9700\u4e86\u89e3\u66f4\u591a\u95dc\u65bc <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u548c <a href=\"https:\/\/server.hk\">\u4f3a\u670d\u5668<\/a> \u7684\u8cc7\u8a0a\uff0c\u8acb\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22Redis\u96c6\u7fa4\u81ea\u52d5\u5316\u5c0b\u5740\u7684\u5be6\u73fe\u65b9\u6cd5\uff0c\u63d0\u5347\u6578\u64da\u5b58\u53d6\u6548\u7387\uff0c\u7c21\u5316\u7ba1\u7406\u6d41\u7a0b\uff0c\u78ba\u4fdd\u9ad8\u53ef\u7528\u6027\u8207\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-124687","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/124687","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=124687"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/124687\/revisions"}],"predecessor-version":[{"id":124688,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/124687\/revisions\/124688"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=124687"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=124687"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=124687"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}