{"id":123558,"date":"2024-10-25T13:50:21","date_gmt":"2024-10-25T05:50:21","guid":{"rendered":"https:\/\/server.hk\/cnblog\/123558\/"},"modified":"2024-10-25T13:50:22","modified_gmt":"2024-10-25T05:50:22","slug":"redis-%e9%9b%86%e7%be%a4%e6%a8%a1%e5%bc%8f%e5%af%a6%e7%8f%be%e9%87%8d%e6%96%b0%e6%98%a0%e5%b0%84","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/123558\/","title":{"rendered":"Redis \u96c6\u7fa4\u6a21\u5f0f\u5be6\u73fe\u91cd\u65b0\u6620\u5c04"},"content":{"rendered":"<h1 id=\"redis-%e9%9b%86%e7%be%a4%e6%a8%a1%e5%bc%8f%e5%af%a6%e7%8f%be%e9%87%8d%e6%96%b0%e6%98%a0%e5%b0%84-bUuDZvxKnY\">Redis \u96c6\u7fa4\u6a21\u5f0f\u5be6\u73fe\u91cd\u65b0\u6620\u5c04<\/h1>\n<p>Redis \u662f\u4e00\u500b\u9ad8\u6548\u80fd\u7684\u9375\u503c\u5b58\u5132\u7cfb\u7d71\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u7de9\u5b58\u3001\u6578\u64da\u5eab\u548c\u6d88\u606f\u4ee3\u7406\u7b49\u5834\u666f\u3002\u96a8\u8457\u6578\u64da\u91cf\u7684\u589e\u9577\uff0c\u55ae\u4e00\u5be6\u4f8b\u7684 Redis \u53ef\u80fd\u7121\u6cd5\u6eff\u8db3\u6027\u80fd\u548c\u53ef\u7528\u6027\u7684\u9700\u6c42\uff0c\u56e0\u6b64 Redis \u63d0\u4f9b\u4e86\u96c6\u7fa4\u6a21\u5f0f\u4f86\u89e3\u6c7a\u9019\u4e9b\u554f\u984c\u3002\u5728\u96c6\u7fa4\u6a21\u5f0f\u4e0b\uff0cRedis \u53ef\u4ee5\u5c07\u6578\u64da\u5206\u6563\u5230\u591a\u500b\u7bc0\u9ede\u4e0a\uff0c\u5be6\u73fe\u8ca0\u8f09\u5747\u8861\u548c\u9ad8\u53ef\u7528\u6027\u3002\u672c\u6587\u5c07\u63a2\u8a0e Redis \u96c6\u7fa4\u6a21\u5f0f\u4e2d\u7684\u91cd\u65b0\u6620\u5c04\uff08resharding\uff09\u904e\u7a0b\u53ca\u5176\u5be6\u73fe\u65b9\u6cd5\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af%e9%87%8d%e6%96%b0%e6%98%a0%e5%b0%84%ef%bc%9f-bUuDZvxKnY\">\u4ec0\u9ebc\u662f\u91cd\u65b0\u6620\u5c04\uff1f<\/h2>\n<p>\u91cd\u65b0\u6620\u5c04\u662f\u6307\u5728 Redis \u96c6\u7fa4\u4e2d\uff0c\u5c07\u6578\u64da\u5f9e\u4e00\u500b\u7bc0\u9ede\u79fb\u52d5\u5230\u53e6\u4e00\u500b\u7bc0\u9ede\u7684\u904e\u7a0b\u3002\u9019\u901a\u5e38\u767c\u751f\u5728\u4ee5\u4e0b\u60c5\u6cc1\u4e0b\uff1a<\/p>\n<ul>\n<li>\u65b0\u589e\u7bc0\u9ede\u4ee5\u64f4\u5c55\u96c6\u7fa4\u5bb9\u91cf\u3002<\/li>\n<li>\u79fb\u9664\u7bc0\u9ede\u4ee5\u6e1b\u5c11\u96c6\u7fa4\u898f\u6a21\u3002<\/li>\n<li>\u7bc0\u9ede\u6545\u969c\u9700\u8981\u91cd\u65b0\u5206\u914d\u6578\u64da\u3002<\/li>\n<\/ul>\n<p>\u91cd\u65b0\u6620\u5c04\u7684\u76ee\u7684\u662f\u78ba\u4fdd\u6578\u64da\u5728\u96c6\u7fa4\u4e2d\u7684\u5747\u52fb\u5206\u4f48\uff0c\u5f9e\u800c\u63d0\u9ad8\u6027\u80fd\u548c\u53ef\u7528\u6027\u3002<\/p>\n<h2 id=\"redis-%e9%9b%86%e7%be%a4%e7%9a%84%e5%9f%ba%e6%9c%ac%e6%9e%b6%e6%a7%8b-bUuDZvxKnY\">Redis \u96c6\u7fa4\u7684\u57fa\u672c\u67b6\u69cb<\/h2>\n<p>Redis \u96c6\u7fa4\u7531\u591a\u500b\u4e3b\u7bc0\u9ede\u548c\u5f9e\u7bc0\u9ede\u7d44\u6210\u3002\u6bcf\u500b\u4e3b\u7bc0\u9ede\u8ca0\u8cac\u4e00\u90e8\u5206\u54c8\u5e0c\u69fd\uff08hash slot\uff09\uff0c\u800c\u5f9e\u7bc0\u9ede\u5247\u7528\u65bc\u6578\u64da\u7684\u5197\u9918\u5099\u4efd\u3002Redis \u96c6\u7fa4\u7e3d\u5171\u652f\u6301 16384 \u500b\u54c8\u5e0c\u69fd\uff0c\u9019\u4e9b\u69fd\u6703\u88ab\u5206\u914d\u7d66\u4e0d\u540c\u7684\u4e3b\u7bc0\u9ede\u3002\u7576\u9032\u884c\u91cd\u65b0\u6620\u5c04\u6642\uff0c\u6578\u64da\u6703\u6839\u64da\u54c8\u5e0c\u69fd\u7684\u5206\u914d\u60c5\u6cc1\u9032\u884c\u79fb\u52d5\u3002<\/p>\n<h2 id=\"%e9%87%8d%e6%96%b0%e6%98%a0%e5%b0%84%e7%9a%84%e5%af%a6%e7%8f%be%e6%ad%a5%e9%a9%9f-bUuDZvxKnY\">\u91cd\u65b0\u6620\u5c04\u7684\u5be6\u73fe\u6b65\u9a5f<\/h2>\n<p>\u4ee5\u4e0b\u662f Redis \u96c6\u7fa4\u4e2d\u5be6\u73fe\u91cd\u65b0\u6620\u5c04\u7684\u57fa\u672c\u6b65\u9a5f\uff1a<\/p>\n<h3 id=\"1-%e7%a2%ba%e8%aa%8d%e9%9b%86%e7%be%a4%e7%8b%80%e6%85%8b-bUuDZvxKnY\">1. \u78ba\u8a8d\u96c6\u7fa4\u72c0\u614b<\/h3>\n<pre><code>redis-cli -c cluster info<\/code><\/pre>\n<p>\u4f7f\u7528\u4e0a\u8ff0\u547d\u4ee4\u53ef\u4ee5\u67e5\u770b\u96c6\u7fa4\u7684\u72c0\u614b\uff0c\u5305\u62ec\u7bc0\u9ede\u6578\u91cf\u3001\u54c8\u5e0c\u69fd\u5206\u914d\u60c5\u6cc1\u7b49\u3002<\/p>\n<h3 id=\"2-%e6%b7%bb%e5%8a%a0%e6%88%96%e7%a7%bb%e9%99%a4%e7%af%80%e9%bb%9e-bUuDZvxKnY\">2. \u6dfb\u52a0\u6216\u79fb\u9664\u7bc0\u9ede<\/h3>\n<p>\u5982\u679c\u9700\u8981\u65b0\u589e\u7bc0\u9ede\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\uff1a<\/p>\n<pre><code>redis-cli --cluster add-node \u65b0\u7bc0\u9edeIP:\u7aef\u53e3 \u73fe\u6709\u7bc0\u9edeIP:\u7aef\u53e3<\/code><\/pre>\n<p>\u82e5\u8981\u79fb\u9664\u7bc0\u9ede\uff0c\u5247\u9700\u8981\u5148\u5c07\u8a72\u7bc0\u9ede\u7684\u6578\u64da\u91cd\u65b0\u5206\u914d\u5230\u5176\u4ed6\u7bc0\u9ede\uff0c\u7136\u5f8c\u4f7f\u7528\uff1a<\/p>\n<pre><code>redis-cli --cluster del-node \u73fe\u6709\u7bc0\u9edeIP:\u7aef\u53e3 \u7bc0\u9edeID<\/code><\/pre>\n<h3 id=\"3-%e9%80%b2%e8%a1%8c%e9%87%8d%e6%96%b0%e6%98%a0%e5%b0%84-bUuDZvxKnY\">3. \u9032\u884c\u91cd\u65b0\u6620\u5c04<\/h3>\n<p>\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u9032\u884c\u54c8\u5e0c\u69fd\u7684\u91cd\u65b0\u6620\u5c04\uff1a<\/p>\n<pre><code>redis-cli --cluster reshard \u73fe\u6709\u7bc0\u9edeIP:\u7aef\u53e3<\/code><\/pre>\n<p>\u7cfb\u7d71\u6703\u63d0\u793a\u7528\u6236\u8f38\u5165\u8981\u79fb\u52d5\u7684\u54c8\u5e0c\u69fd\u6578\u91cf\u4ee5\u53ca\u76ee\u6a19\u7bc0\u9ede\u3002\u7528\u6236\u53ef\u4ee5\u6839\u64da\u9700\u8981\u9078\u64c7\u5408\u9069\u7684\u914d\u7f6e\u3002<\/p>\n<h3 id=\"4-%e7%a2%ba%e8%aa%8d%e9%87%8d%e6%96%b0%e6%98%a0%e5%b0%84%e7%b5%90%e6%9e%9c-bUuDZvxKnY\">4. \u78ba\u8a8d\u91cd\u65b0\u6620\u5c04\u7d50\u679c<\/h3>\n<p>\u5b8c\u6210\u91cd\u65b0\u6620\u5c04\u5f8c\uff0c\u53ef\u4ee5\u518d\u6b21\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u78ba\u8a8d\u96c6\u7fa4\u72c0\u614b\uff1a<\/p>\n<pre><code>redis-cli -c cluster info<\/code><\/pre>\n<p>\u78ba\u4fdd\u6240\u6709\u54c8\u5e0c\u69fd\u90fd\u5df2\u6b63\u78ba\u5206\u914d\uff0c\u4e26\u4e14\u6578\u64da\u5728\u5404\u500b\u7bc0\u9ede\u4e4b\u9593\u5747\u52fb\u5206\u4f48\u3002<\/p>\n<h2 id=\"%e6%b3%a8%e6%84%8f%e4%ba%8b%e9%a0%85-bUuDZvxKnY\">\u6ce8\u610f\u4e8b\u9805<\/h2>\n<p>\u5728\u9032\u884c\u91cd\u65b0\u6620\u5c04\u6642\uff0c\u9700\u6ce8\u610f\u4ee5\u4e0b\u5e7e\u9ede\uff1a<\/p>\n<ul>\n<li>\u78ba\u4fdd\u96c6\u7fa4\u4e2d\u7684\u6240\u6709\u7bc0\u9ede\u90fd\u8655\u65bc\u6b63\u5e38\u904b\u884c\u72c0\u614b\u3002<\/li>\n<li>\u5728\u9ad8\u6d41\u91cf\u6642\u6bb5\u9032\u884c\u91cd\u65b0\u6620\u5c04\u53ef\u80fd\u6703\u5f71\u97ff\u6027\u80fd\uff0c\u5efa\u8b70\u9078\u64c7\u4f4e\u5cf0\u6642\u6bb5\u9032\u884c\u3002<\/li>\n<li>\u5b9a\u671f\u6aa2\u67e5\u96c6\u7fa4\u72c0\u614b\uff0c\u53ca\u6642\u8655\u7406\u6545\u969c\u7bc0\u9ede\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-bUuDZvxKnY\">\u7e3d\u7d50<\/h2>\n<p>Redis \u96c6\u7fa4\u6a21\u5f0f\u7684\u91cd\u65b0\u6620\u5c04\u662f\u4e00\u500b\u91cd\u8981\u7684\u7ba1\u7406\u64cd\u4f5c\uff0c\u80fd\u5920\u5e6b\u52a9\u7528\u6236\u5728\u9762\u5c0d\u6578\u64da\u589e\u9577\u6216\u7bc0\u9ede\u8b8a\u66f4\u6642\uff0c\u4fdd\u6301\u96c6\u7fa4\u7684\u6027\u80fd\u548c\u7a69\u5b9a\u6027\u3002\u901a\u904e\u6b63\u78ba\u7684\u6b65\u9a5f\u548c\u6ce8\u610f\u4e8b\u9805\uff0c\u7528\u6236\u53ef\u4ee5\u6709\u6548\u5730\u7ba1\u7406 Redis \u96c6\u7fa4\uff0c\u78ba\u4fdd\u6578\u64da\u7684\u9ad8\u53ef\u7528\u6027\u548c\u8ca0\u8f09\u5747\u8861\u3002\u82e5\u60a8\u9700\u8981\u9032\u4e00\u6b65\u4e86\u89e3\u5982\u4f55\u5728\u9999\u6e2f\u4f7f\u7528 <a href=\"https:\/\/server.hk\">VPS<\/a> \u4f86\u90e8\u7f72 Redis \u96c6\u7fa4\uff0c\u8acb\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u4ee5\u7372\u53d6\u66f4\u591a\u8cc7\u8a0a\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22Redis\u96c6\u7fa4\u6a21\u5f0f\u4e2d\u7684\u91cd\u65b0\u6620\u5c04\u6280\u8853\uff0c\u63d0\u5347\u6578\u64da\u7ba1\u7406\u6548\u7387\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-123558","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/123558","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=123558"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/123558\/revisions"}],"predecessor-version":[{"id":123559,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/123558\/revisions\/123559"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=123558"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=123558"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=123558"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}