{"id":98002,"date":"2024-10-20T22:57:17","date_gmt":"2024-10-20T14:57:17","guid":{"rendered":"https:\/\/server.hk\/cnblog\/98002\/"},"modified":"2024-10-20T22:57:18","modified_gmt":"2024-10-20T14:57:18","slug":"redis-%e6%a7%bd%e6%8c%87%e6%b4%be%e5%af%a6%e7%8f%be%e7%84%a1%e7%93%b6%e9%a0%b8%e9%9b%86%e7%be%a4%e6%b0%b4%e5%b9%b3%e6%93%b4%e5%b1%95","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/98002\/","title":{"rendered":"Redis \u69fd\u6307\u6d3e\u5be6\u73fe\u7121\u74f6\u9838\u96c6\u7fa4\u6c34\u5e73\u64f4\u5c55"},"content":{"rendered":"<h1 id=\"redis-%e6%a7%bd%e6%8c%87%e6%b4%be%e5%af%a6%e7%8f%be%e7%84%a1%e7%93%b6%e9%a0%b8%e9%9b%86%e7%be%a4%e6%b0%b4%e5%b9%b3%e6%93%b4%e5%b1%95-JJknRtEshv\">Redis \u69fd\u6307\u6d3e\u5be6\u73fe\u7121\u74f6\u9838\u96c6\u7fa4\u6c34\u5e73\u64f4\u5c55<\/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\u81f3\u95dc\u91cd\u8981\u3002Redis \u4f5c\u70ba\u4e00\u7a2e\u9ad8\u6548\u7684\u5167\u5b58\u6578\u64da\u5eab\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u5404\u7a2e\u5834\u666f\u4e2d\uff0c\u7279\u5225\u662f\u5728\u9700\u8981\u5feb\u901f\u8b80\u53d6\u548c\u5beb\u5165\u7684\u61c9\u7528\u4e2d\u3002\u672c\u6587\u5c07\u63a2\u8a0e Redis \u7684\u69fd\u6307\u6d3e\uff08slot assignment\uff09\u6a5f\u5236\uff0c\u4e26\u5206\u6790\u5176\u5982\u4f55\u5be6\u73fe\u7121\u74f6\u9838\u7684\u96c6\u7fa4\u6c34\u5e73\u64f4\u5c55\u3002<\/p>\n<h2 id=\"redis-%e9%9b%86%e7%be%a4%e6%9e%b6%e6%a7%8b%e6%a6%82%e8%bf%b0-JJknRtEshv\">Redis \u96c6\u7fa4\u67b6\u69cb\u6982\u8ff0<\/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\u7bc0\u9ede\u4e0a\u3002\u9019\u7a2e\u67b6\u69cb\u4e0d\u50c5\u63d0\u9ad8\u4e86\u6578\u64da\u7684\u53ef\u7528\u6027\uff0c\u9084\u80fd\u5920\u5728\u591a\u500b\u7bc0\u9ede\u4e4b\u9593\u5206\u64d4\u8ca0\u8f09\u3002Redis \u96c6\u7fa4\u4f7f\u7528\u69fd\uff08slot\uff09\u4f86\u7ba1\u7406\u6578\u64da\u7684\u5206\u4f48\uff0c\u6bcf\u500b\u7bc0\u9ede\u8ca0\u8cac\u4e00\u90e8\u5206\u69fd\uff0c\u9019\u6a23\u53ef\u4ee5\u5be6\u73fe\u6578\u64da\u7684\u5747\u52fb\u5206\u4f48\u3002<\/p>\n<h2 id=\"%e6%a7%bd%e6%8c%87%e6%b4%be%e7%9a%84%e5%9f%ba%e6%9c%ac%e5%8e%9f%e7%90%86-JJknRtEshv\">\u69fd\u6307\u6d3e\u7684\u57fa\u672c\u539f\u7406<\/h2>\n<p>Redis \u96c6\u7fa4\u5c07\u6240\u6709\u53ef\u80fd\u7684\u9375\uff08key\uff09\u6620\u5c04\u5230 0 \u5230 16383 \u7684 16384 \u500b\u69fd\u4e2d\u3002\u7576\u4e00\u500b\u9375\u88ab\u5b58\u5132\u6642\uff0cRedis \u6703\u6839\u64da\u4ee5\u4e0b\u516c\u5f0f\u8a08\u7b97\u5176\u69fd\u865f\uff1a<\/p>\n<pre><code>slot = CRC16(key) mod 16384<\/code><\/pre>\n<p>\u9019\u88e1\uff0cCRC16 \u662f\u4e00\u7a2e\u6821\u9a57\u548c\u7b97\u6cd5\uff0c\u7528\u65bc\u751f\u6210\u9375\u7684\u54c8\u5e0c\u503c\u3002\u9019\u7a2e\u65b9\u6cd5\u78ba\u4fdd\u4e86\u9375\u7684\u5747\u52fb\u5206\u4f48\uff0c\u5f9e\u800c\u907f\u514d\u4e86\u67d0\u4e9b\u7bc0\u9ede\u904e\u8f09\u7684\u60c5\u6cc1\u3002<\/p>\n<h2 id=\"%e7%84%a1%e7%93%b6%e9%a0%b8%e7%9a%84%e9%9b%86%e7%be%a4%e6%93%b4%e5%b1%95-JJknRtEshv\">\u7121\u74f6\u9838\u7684\u96c6\u7fa4\u64f4\u5c55<\/h2>\n<p>\u5728 Redis \u96c6\u7fa4\u4e2d\uff0c\u69fd\u7684\u5206\u914d\u662f\u52d5\u614b\u7684\uff0c\u9019\u610f\u5473\u8457\u53ef\u4ee5\u96a8\u6642\u6dfb\u52a0\u6216\u79fb\u9664\u7bc0\u9ede\uff0c\u800c\u4e0d\u6703\u5f71\u97ff\u6574\u500b\u7cfb\u7d71\u7684\u904b\u884c\u3002\u7576\u4e00\u500b\u65b0\u7bc0\u9ede\u52a0\u5165\u96c6\u7fa4\u6642\uff0c\u7cfb\u7d71\u6703\u81ea\u52d5\u91cd\u65b0\u5206\u914d\u69fd\uff0c\u78ba\u4fdd\u6bcf\u500b\u7bc0\u9ede\u7684\u8ca0\u8f09\u5747\u8861\u3002\u9019\u7a2e\u52d5\u614b\u64f4\u5c55\u7684\u80fd\u529b\u4f7f\u5f97 Redis \u96c6\u7fa4\u80fd\u5920\u5728\u9ad8\u6d41\u91cf\u7684\u60c5\u6cc1\u4e0b\u4fdd\u6301\u7a69\u5b9a\u7684\u6027\u80fd\u3002<\/p>\n<h3 id=\"%e6%a7%bd%e7%9a%84%e9%87%8d%e6%96%b0%e5%88%86%e9%85%8d-JJknRtEshv\">\u69fd\u7684\u91cd\u65b0\u5206\u914d<\/h3>\n<p>\u7576\u9700\u8981\u64f4\u5c55\u96c6\u7fa4\u6642\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u5c07\u69fd\u5f9e\u4e00\u500b\u7bc0\u9ede\u8f49\u79fb\u5230\u53e6\u4e00\u500b\u7bc0\u9ede\uff1a<\/p>\n<pre><code>CLUSTER SETSLOT slot NODE node_id<\/code><\/pre>\n<p>\u9019\u500b\u547d\u4ee4\u6703\u5c07\u6307\u5b9a\u7684\u69fd\u8f49\u79fb\u5230\u65b0\u7684\u7bc0\u9ede\uff0c\u4e26\u81ea\u52d5\u66f4\u65b0\u96c6\u7fa4\u7684\u5143\u6578\u64da\u3002\u9019\u6a23\uff0c\u7576\u5ba2\u6236\u7aef\u8acb\u6c42\u67d0\u500b\u9375\u6642\uff0cRedis \u53ef\u4ee5\u6839\u64da\u69fd\u865f\u5feb\u901f\u5b9a\u4f4d\u5230\u6b63\u78ba\u7684\u7bc0\u9ede\uff0c\u5f9e\u800c\u63d0\u9ad8\u67e5\u8a62\u6548\u7387\u3002<\/p>\n<h3 id=\"%e9%81%bf%e5%85%8d%e7%93%b6%e9%a0%b8%e7%9a%84%e7%ad%96%e7%95%a5-JJknRtEshv\">\u907f\u514d\u74f6\u9838\u7684\u7b56\u7565<\/h3>\n<ul>\n<li><strong>\u5747\u8861\u8ca0\u8f09\uff1a<\/strong>\u901a\u904e\u5408\u7406\u7684\u69fd\u5206\u914d\uff0c\u78ba\u4fdd\u6bcf\u500b\u7bc0\u9ede\u7684\u8ca0\u8f09\u5747\u8861\uff0c\u907f\u514d\u67d0\u4e9b\u7bc0\u9ede\u6210\u70ba\u6027\u80fd\u74f6\u9838\u3002<\/li>\n<li><strong>\u52d5\u614b\u64f4\u5c55\uff1a<\/strong>\u6839\u64da\u5be6\u969b\u9700\u6c42\uff0c\u96a8\u6642\u6dfb\u52a0\u6216\u79fb\u9664\u7bc0\u9ede\uff0c\u4fdd\u6301\u7cfb\u7d71\u7684\u9748\u6d3b\u6027\u3002<\/li>\n<li><strong>\u76e3\u63a7\u8207\u8abf\u6574\uff1a<\/strong>\u5b9a\u671f\u76e3\u63a7\u96c6\u7fa4\u7684\u6027\u80fd\uff0c\u6839\u64da\u6d41\u91cf\u8b8a\u5316\u8abf\u6574\u69fd\u7684\u5206\u914d\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b5%90%e8%ab%96-JJknRtEshv\">\u7d50\u8ad6<\/h2>\n<p>Redis \u7684\u69fd\u6307\u6d3e\u6a5f\u5236\u70ba\u5be6\u73fe\u7121\u74f6\u9838\u7684\u96c6\u7fa4\u6c34\u5e73\u64f4\u5c55\u63d0\u4f9b\u4e86\u5f37\u6709\u529b\u7684\u652f\u6301\u3002\u901a\u904e\u5408\u7406\u7684\u69fd\u5206\u914d\u548c\u52d5\u614b\u64f4\u5c55\uff0cRedis \u80fd\u5920\u5728\u9ad8\u6d41\u91cf\u74b0\u5883\u4e2d\u4fdd\u6301\u7a69\u5b9a\u7684\u6027\u80fd\uff0c\u6eff\u8db3\u73fe\u4ee3\u61c9\u7528\u5c0d\u6578\u64da\u5b58\u53d6\u901f\u5ea6\u548c\u53ef\u9760\u6027\u7684\u9700\u6c42\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u6548\u6578\u64da\u8655\u7406\u7684\u4f01\u696d\u4f86\u8aaa\uff0c\u9078\u64c7\u5408\u9069\u7684 Redis \u96c6\u7fa4\u67b6\u69cb\u5c07\u662f\u63d0\u5347\u696d\u52d9\u6548\u7387\u7684\u95dc\u9375\u3002<\/p>\n<p>\u5982\u9700\u4e86\u89e3\u66f4\u591a\u6709\u95dc <a href=\"https:\/\/server.hk\">\u9999\u6e2f VPS<\/a> \u548c\u5176\u4ed6\u4f3a\u670d\u5668\u89e3\u6c7a\u65b9\u6848\u7684\u4fe1\u606f\uff0c\u8acb\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22Redis\u69fd\u6307\u6d3e\u6280\u8853\uff0c\u5be6\u73fe\u7121\u74f6\u9838\u7684\u96c6\u7fa4\u6c34\u5e73\u64f4\u5c55\uff0c\u63d0\u5347\u6578\u64da\u8655\u7406\u6548\u7387\u8207\u7cfb\u7d71\u6027\u80fd\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-98002","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/98002","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=98002"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/98002\/revisions"}],"predecessor-version":[{"id":98003,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/98002\/revisions\/98003"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=98002"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=98002"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=98002"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}