{"id":97488,"date":"2024-10-20T18:25:18","date_gmt":"2024-10-20T10:25:18","guid":{"rendered":"https:\/\/server.hk\/cnblog\/97488\/"},"modified":"2024-10-20T18:25:19","modified_gmt":"2024-10-20T10:25:19","slug":"redis-%e5%af%a6%e7%8f%behash%e6%a7%bd%e7%9a%84%e9%81%b7%e7%a7%bb%ef%bc%88redis%e9%81%b7%e7%a7%bbhash%e6%a7%bd%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/97488\/","title":{"rendered":"Redis \u5be6\u73feHash\u69fd\u7684\u9077\u79fb\uff08redis\u9077\u79fbhash\u69fd\uff09"},"content":{"rendered":"<h1 id=\"redis-%e5%af%a6%e7%8f%be-hash-%e6%a7%bd%e7%9a%84%e9%81%b7%e7%a7%bb%ef%bc%88redis-%e9%81%b7%e7%a7%bb-hash-%e6%a7%bd%ef%bc%89-xEInHJjEpp\">Redis \u5be6\u73fe Hash \u69fd\u7684\u9077\u79fb\uff08redis \u9077\u79fb hash \u69fd\uff09<\/h1>\n<p>\u5728\u5206\u4f48\u5f0f\u7cfb\u7d71\u4e2d\uff0c\u6578\u64da\u7684\u7ba1\u7406\u548c\u9077\u79fb\u662f\u4e00\u500b\u91cd\u8981\u7684\u8ab2\u984c\u3002Redis \u4f5c\u70ba\u4e00\u500b\u9ad8\u6548\u7684\u9375\u503c\u5b58\u5132\u7cfb\u7d71\uff0c\u63d0\u4f9b\u4e86\u591a\u7a2e\u529f\u80fd\u4f86\u652f\u6301\u6578\u64da\u7684\u5206\u4f48\u548c\u9077\u79fb\u3002\u5176\u4e2d\uff0cHash \u69fd\u7684\u9077\u79fb\u662f Redis Cluster \u4e2d\u4e00\u500b\u95dc\u9375\u7684\u64cd\u4f5c\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0e Redis \u4e2d Hash \u69fd\u7684\u9077\u79fb\u904e\u7a0b\u53ca\u5176\u5be6\u73fe\u65b9\u5f0f\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af-hash-%e6%a7%bd%ef%bc%9f-xEInHJjEpp\">\u4ec0\u9ebc\u662f Hash \u69fd\uff1f<\/h2>\n<p>\u5728 Redis Cluster \u4e2d\uff0c\u6578\u64da\u662f\u6839\u64da\u9375\u7684\u54c8\u5e0c\u503c\u5206\u914d\u5230\u4e0d\u540c\u7684\u7bc0\u9ede\u4e0a\u3002\u9019\u7a2e\u5206\u914d\u65b9\u5f0f\u7a31\u70ba Hash \u69fd\u3002Redis Cluster \u5c07\u9375\u7684\u54c8\u5e0c\u503c\u6620\u5c04\u5230 0 \u5230 16383 \u7684\u7bc4\u570d\u5167\uff0c\u9019\u610f\u5473\u8457\u7e3d\u5171\u6709 16384 \u500b Hash \u69fd\u3002\u6bcf\u500b Hash \u69fd\u53ef\u4ee5\u88ab\u5206\u914d\u7d66\u4e00\u500b\u6216\u591a\u500b\u7bc0\u9ede\uff0c\u9019\u6a23\u53ef\u4ee5\u5be6\u73fe\u6578\u64da\u7684\u5206\u4f48\u548c\u8ca0\u8f09\u5747\u8861\u3002<\/p>\n<h2 id=\"hash-%e6%a7%bd%e7%9a%84%e9%81%b7%e7%a7%bb%e9%9c%80%e6%b1%82-xEInHJjEpp\">Hash \u69fd\u7684\u9077\u79fb\u9700\u6c42<\/h2>\n<p>\u96a8\u8457\u7cfb\u7d71\u7684\u64f4\u5c55\uff0c\u53ef\u80fd\u9700\u8981\u5c07 Hash \u69fd\u5f9e\u4e00\u500b\u7bc0\u9ede\u9077\u79fb\u5230\u53e6\u4e00\u500b\u7bc0\u9ede\u3002\u9019\u7a2e\u60c5\u6cc1\u901a\u5e38\u767c\u751f\u5728\u4ee5\u4e0b\u5e7e\u7a2e\u60c5\u6cc1\u4e0b\uff1a<\/p>\n<ul>\n<li>\u7bc0\u9ede\u7684\u8ca0\u8f09\u4e0d\u5747\u8861\uff0c\u9700\u8981\u91cd\u65b0\u5206\u914d Hash \u69fd\u4ee5\u63d0\u9ad8\u6027\u80fd\u3002<\/li>\n<li>\u9700\u8981\u6dfb\u52a0\u65b0\u7684\u7bc0\u9ede\u4ee5\u64f4\u5c55\u96c6\u7fa4\u7684\u5bb9\u91cf\u3002<\/li>\n<li>\u67d0\u4e9b\u7bc0\u9ede\u51fa\u73fe\u6545\u969c\uff0c\u9700\u8981\u5c07\u5176 Hash \u69fd\u9077\u79fb\u5230\u5176\u4ed6\u5065\u5eb7\u7684\u7bc0\u9ede\u3002<\/li>\n<\/ul>\n<h2 id=\"hash-%e6%a7%bd%e7%9a%84%e9%81%b7%e7%a7%bb%e9%81%8e%e7%a8%8b-xEInHJjEpp\">Hash \u69fd\u7684\u9077\u79fb\u904e\u7a0b<\/h2>\n<p>\u5728 Redis \u4e2d\uff0cHash \u69fd\u7684\u9077\u79fb\u904e\u7a0b\u53ef\u4ee5\u901a\u904e\u4ee5\u4e0b\u6b65\u9a5f\u5be6\u73fe\uff1a<\/p>\n<h3 id=\"1-%e7%a2%ba%e5%ae%9a%e9%81%b7%e7%a7%bb%e7%9a%84-hash-%e6%a7%bd-xEInHJjEpp\">1. \u78ba\u5b9a\u9077\u79fb\u7684 Hash \u69fd<\/h3>\n<p>\u9996\u5148\uff0c\u9700\u8981\u78ba\u5b9a\u8981\u9077\u79fb\u7684 Hash \u69fd\u3002\u9019\u53ef\u4ee5\u901a\u904e Redis \u7684\u547d\u4ee4\u884c\u5de5\u5177\u6216 API \u4f86\u67e5\u8a62\u7576\u524d\u7684 Hash \u69fd\u5206\u914d\u60c5\u6cc1\u3002<\/p>\n<pre><code>CLUSTER SLOTS<\/code><\/pre>\n<h3 id=\"2-%e9%96%8b%e5%a7%8b%e9%81%b7%e7%a7%bb-xEInHJjEpp\">2. \u958b\u59cb\u9077\u79fb<\/h3>\n<p>\u4f7f\u7528 <code>MIGRATE<\/code> \u547d\u4ee4\u53ef\u4ee5\u5c07\u6307\u5b9a\u7684 Hash \u69fd\u5f9e\u4e00\u500b\u7bc0\u9ede\u9077\u79fb\u5230\u53e6\u4e00\u500b\u7bc0\u9ede\u3002\u9019\u500b\u547d\u4ee4\u6703\u5c07 Hash \u69fd\u4e2d\u7684\u6578\u64da\u8907\u88fd\u5230\u76ee\u6a19\u7bc0\u9ede\uff0c\u4e26\u5728\u5b8c\u6210\u5f8c\u522a\u9664\u6e90\u7bc0\u9ede\u4e2d\u7684\u6578\u64da\u3002<\/p>\n<pre><code>CLUSTER SETSLOT &lt;slot&gt; MIGRATING &lt;source_node&gt;<\/code><\/pre>\n<pre><code>CLUSTER SETSLOT &lt;slot&gt; IMPORTING &lt;destination_node&gt;<\/code><\/pre>\n<h3 id=\"3-%e7%a2%ba%e8%aa%8d%e9%81%b7%e7%a7%bb%e5%ae%8c%e6%88%90-xEInHJjEpp\">3. \u78ba\u8a8d\u9077\u79fb\u5b8c\u6210<\/h3>\n<p>\u5728\u9077\u79fb\u904e\u7a0b\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528 <code>CLUSTER GETKEYSINSLOT<\/code> \u547d\u4ee4\u4f86\u6aa2\u67e5\u6307\u5b9a Hash \u69fd\u4e2d\u7684\u9375\u662f\u5426\u5df2\u7d93\u6210\u529f\u9077\u79fb\u5230\u76ee\u6a19\u7bc0\u9ede\u3002<\/p>\n<pre><code>CLUSTER GETKEYSINSLOT &lt;slot&gt; &lt;count&gt;<\/code><\/pre>\n<h3 id=\"4-%e6%9b%b4%e6%96%b0-hash-%e6%a7%bd%e7%8b%80%e6%85%8b-xEInHJjEpp\">4. \u66f4\u65b0 Hash \u69fd\u72c0\u614b<\/h3>\n<p>\u6700\u5f8c\uff0c\u7576\u6240\u6709\u6578\u64da\u90fd\u6210\u529f\u9077\u79fb\u5f8c\uff0c\u9700\u8981\u66f4\u65b0 Hash \u69fd\u7684\u72c0\u614b\uff0c\u4ee5\u78ba\u4fdd\u96c6\u7fa4\u7684\u5065\u5eb7\u904b\u884c\u3002<\/p>\n<pre><code>CLUSTER SETSLOT &lt;slot&gt; NODE &lt;destination_node&gt;<\/code><\/pre>\n<h2 id=\"%e6%b3%a8%e6%84%8f%e4%ba%8b%e9%a0%85-xEInHJjEpp\">\u6ce8\u610f\u4e8b\u9805<\/h2>\n<p>\u5728\u9032\u884c Hash \u69fd\u7684\u9077\u79fb\u6642\uff0c\u9700\u8981\u6ce8\u610f\u4ee5\u4e0b\u5e7e\u9ede\uff1a<\/p>\n<ul>\n<li>\u78ba\u4fdd\u76ee\u6a19\u7bc0\u9ede\u6709\u8db3\u5920\u7684\u8cc7\u6e90\u4f86\u63a5\u6536\u9077\u79fb\u7684\u6578\u64da\u3002<\/li>\n<li>\u5728\u9077\u79fb\u904e\u7a0b\u4e2d\uff0c\u61c9\u8a72\u76e3\u63a7\u96c6\u7fa4\u7684\u6027\u80fd\uff0c\u4ee5\u907f\u514d\u56e0\u70ba\u8ca0\u8f09\u904e\u9ad8\u800c\u5c0e\u81f4\u7684\u670d\u52d9\u4e2d\u65b7\u3002<\/li>\n<li>\u5728\u9032\u884c\u5927\u898f\u6a21\u7684 Hash \u69fd\u9077\u79fb\u6642\uff0c\u53ef\u4ee5\u8003\u616e\u5206\u6279\u6b21\u9032\u884c\uff0c\u4ee5\u6e1b\u5c11\u5c0d\u7cfb\u7d71\u7684\u5f71\u97ff\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-xEInHJjEpp\">\u7e3d\u7d50<\/h2>\n<p>Redis \u7684 Hash \u69fd\u9077\u79fb\u662f\u4e00\u500b\u91cd\u8981\u7684\u64cd\u4f5c\uff0c\u80fd\u5920\u5e6b\u52a9\u7528\u6236\u5728\u5206\u4f48\u5f0f\u74b0\u5883\u4e2d\u6709\u6548\u5730\u7ba1\u7406\u6578\u64da\u3002\u901a\u904e\u5408\u7406\u7684\u9077\u79fb\u7b56\u7565\uff0c\u53ef\u4ee5\u5be6\u73fe\u6578\u64da\u7684\u5e73\u8861\u5206\u914d\u548c\u7cfb\u7d71\u7684\u9ad8\u53ef\u7528\u6027\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u6548\u6578\u64da\u7ba1\u7406\u7684\u7528\u6236\u4f86\u8aaa\uff0c\u9078\u64c7\u5408\u9069\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u89e3\u6c7a\u65b9\u6848\u5c07\u662f\u63d0\u5347\u6027\u80fd\u7684\u95dc\u9375\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e86\u89e3\u5982\u4f55\u5728Redis\u4e2d\u5be6\u73feHash\u69fd\u7684\u9077\u79fb\uff0c\u63d0\u5347\u6578\u64da\u7ba1\u7406\u6548\u7387\uff0c\u78ba\u4fdd\u7cfb\u7d71\u7a69\u5b9a\u6027\u8207\u6027\u80fd\u512a\u5316\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-97488","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/97488","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=97488"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/97488\/revisions"}],"predecessor-version":[{"id":97489,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/97488\/revisions\/97489"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=97488"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=97488"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=97488"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}