{"id":122074,"date":"2024-10-25T12:09:14","date_gmt":"2024-10-25T04:09:14","guid":{"rendered":"https:\/\/server.hk\/cnblog\/122074\/"},"modified":"2024-10-25T12:09:15","modified_gmt":"2024-10-25T04:09:15","slug":"redis-%e9%9b%86%e7%be%a4%e5%ad%98%e5%84%b2%e4%bd%8d%e7%bd%ae%e6%8e%a2%e7%b4%a2","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/122074\/","title":{"rendered":"Redis \u96c6\u7fa4\u5b58\u5132\u4f4d\u7f6e\u63a2\u7d22"},"content":{"rendered":"<h1 id=\"redis-%e9%9b%86%e7%be%a4%e5%ad%98%e5%84%b2%e4%bd%8d%e7%bd%ae%e6%8e%a2%e7%b4%a2-APhcjiJYus\">Redis \u96c6\u7fa4\u5b58\u5132\u4f4d\u7f6e\u63a2\u7d22<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u6578\u64da\u9a45\u52d5\u4e16\u754c\u4e2d\uff0cRedis \u4f5c\u70ba\u4e00\u7a2e\u9ad8\u6548\u7684\u5167\u5b58\u6578\u64da\u5eab\uff0c\u5df2\u7d93\u6210\u70ba\u8a31\u591a\u61c9\u7528\u7a0b\u5e8f\u7684\u9996\u9078\u3002\u7279\u5225\u662f\u5728\u9700\u8981\u5feb\u901f\u8b80\u53d6\u548c\u5beb\u5165\u64cd\u4f5c\u7684\u5834\u666f\u4e2d\uff0cRedis \u7684\u6027\u80fd\u8868\u73fe\u5c24\u70ba\u7a81\u51fa\u3002\u96a8\u8457\u6578\u64da\u91cf\u7684\u589e\u9577\uff0cRedis \u96c6\u7fa4\u7684\u4f7f\u7528\u8b8a\u5f97\u8d8a\u4f86\u8d8a\u666e\u904d\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0e Redis \u96c6\u7fa4\u7684\u5b58\u5132\u4f4d\u7f6e\u53ca\u5176\u914d\u7f6e\u65b9\u6cd5\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af-redis-%e9%9b%86%e7%be%a4%ef%bc%9f-APhcjiJYus\">\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\u5c07\u6578\u64da\u5206\u7247\uff08sharding\uff09\u4f86\u5be6\u73fe\u8ca0\u8f09\u5747\u8861\uff0c\u9019\u610f\u5473\u8457\u6bcf\u500b\u7bc0\u9ede\u53ea\u9700\u8655\u7406\u5176\u6240\u8ca0\u8cac\u7684\u6578\u64da\u7bc4\u570d\u3002<\/p>\n<h2 id=\"redis-%e9%9b%86%e7%be%a4%e7%9a%84%e5%ad%98%e5%84%b2%e4%bd%8d%e7%bd%ae-APhcjiJYus\">Redis \u96c6\u7fa4\u7684\u5b58\u5132\u4f4d\u7f6e<\/h2>\n<p>\u5728 Redis \u96c6\u7fa4\u4e2d\uff0c\u6578\u64da\u7684\u5b58\u5132\u4f4d\u7f6e\u662f\u7531\u9375\uff08key\uff09\u6c7a\u5b9a\u7684\u3002Redis \u4f7f\u7528\u54c8\u5e0c\u69fd\uff08hash slot\uff09\u4f86\u7ba1\u7406\u6578\u64da\u7684\u5206\u4f48\u3002\u6574\u500b\u96c6\u7fa4\u6709 16384 \u500b\u54c8\u5e0c\u69fd\uff0c\u7576\u4e00\u500b\u9375\u88ab\u5b58\u5132\u6642\uff0cRedis \u6703\u8a08\u7b97\u8a72\u9375\u6240\u5c0d\u61c9\u7684\u54c8\u5e0c\u69fd\uff0c\u7136\u5f8c\u5c07\u6578\u64da\u5b58\u5132\u5230\u8ca0\u8cac\u8a72\u69fd\u7684\u7bc0\u9ede\u4e0a\u3002<\/p>\n<h3 id=\"%e5%93%88%e5%b8%8c%e6%a7%bd%e7%9a%84%e8%a8%88%e7%ae%97-APhcjiJYus\">\u54c8\u5e0c\u69fd\u7684\u8a08\u7b97<\/h3>\n<p>\u54c8\u5e0c\u69fd\u7684\u8a08\u7b97\u662f\u901a\u904e\u4ee5\u4e0b\u516c\u5f0f\u9032\u884c\u7684\uff1a<\/p>\n<pre><code>hash_slot = CRC16(key) mod 16384<\/code><\/pre>\n<p>\u9019\u88e1\uff0cCRC16 \u662f\u4e00\u7a2e\u6821\u9a57\u548c\u7b97\u6cd5\uff0c\u7528\u65bc\u8a08\u7b97\u9375\u7684\u54c8\u5e0c\u503c\u3002\u9019\u6a23\u7684\u8a2d\u8a08\u4f7f\u5f97 Redis \u80fd\u5920\u5feb\u901f\u5b9a\u4f4d\u6578\u64da\u7684\u5b58\u5132\u4f4d\u7f6e\uff0c\u5f9e\u800c\u63d0\u9ad8\u67e5\u8a62\u6548\u7387\u3002<\/p>\n<h2 id=\"%e5%a6%82%e4%bd%95%e9%85%8d%e7%bd%ae-redis-%e9%9b%86%e7%be%a4-APhcjiJYus\">\u5982\u4f55\u914d\u7f6e Redis \u96c6\u7fa4<\/h2>\n<p>\u914d\u7f6e Redis \u96c6\u7fa4\u9700\u8981\u9075\u5faa\u4ee5\u4e0b\u6b65\u9a5f\uff1a<\/p>\n<ul>\n<li><strong>\u5b89\u88dd Redis\uff1a<\/strong>\u9996\u5148\uff0c\u78ba\u4fdd\u5728\u6240\u6709\u7bc0\u9ede\u4e0a\u5b89\u88dd\u4e86 Redis\u3002<\/li>\n<li><strong>\u914d\u7f6e Redis \u7bc0\u9ede\uff1a<\/strong>\u6bcf\u500b\u7bc0\u9ede\u7684\u914d\u7f6e\u6587\u4ef6\u4e2d\u9700\u8981\u8a2d\u7f6e\u96c6\u7fa4\u6a21\u5f0f\u3002\u53ef\u4ee5\u5728 redis.conf \u6587\u4ef6\u4e2d\u6dfb\u52a0\u4ee5\u4e0b\u884c\uff1a<\/li>\n<pre><code>cluster-enabled yes\ncluster-config-file nodes.conf\ncluster-node-timeout 5000<\/code><\/pre>\n<li><strong>\u555f\u52d5 Redis \u7bc0\u9ede\uff1a<\/strong>\u555f\u52d5\u6240\u6709\u914d\u7f6e\u597d\u7684 Redis \u7bc0\u9ede\u3002<\/li>\n<li><strong>\u5275\u5efa\u96c6\u7fa4\uff1a<\/strong>\u4f7f\u7528 redis-cli \u5de5\u5177\u5275\u5efa\u96c6\u7fa4\uff0c\u547d\u4ee4\u5982\u4e0b\uff1a<\/li>\n<pre><code>redis-cli --cluster create : : ... --cluster-replicas 1<\/code><\/pre>\n<li><strong>\u6aa2\u67e5\u96c6\u7fa4\u72c0\u614b\uff1a<\/strong>\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u6aa2\u67e5\u96c6\u7fa4\u7684\u72c0\u614b\uff1a<\/li>\n<pre><code>redis-cli -c -h  -p  cluster info<\/code><\/pre>\n<\/li>\n<\/ul>\n<h2 id=\"redis-%e9%9b%86%e7%be%a4%e7%9a%84%e5%84%aa%e5%8b%a2-APhcjiJYus\">Redis \u96c6\u7fa4\u7684\u512a\u52e2<\/h2>\n<p>\u4f7f\u7528 Redis \u96c6\u7fa4\u6709\u591a\u500b\u512a\u52e2\uff1a<\/p>\n<ul>\n<li><strong>\u9ad8\u53ef\u7528\u6027\uff1a<\/strong>\u5373\u4f7f\u67d0\u500b\u7bc0\u9ede\u5931\u6548\uff0c\u96c6\u7fa4\u4ecd\u7136\u53ef\u4ee5\u6b63\u5e38\u904b\u884c\u3002<\/li>\n<li><strong>\u64f4\u5c55\u6027\uff1a<\/strong>\u53ef\u4ee5\u6839\u64da\u9700\u6c42\u96a8\u6642\u6dfb\u52a0\u65b0\u7684\u7bc0\u9ede\u3002<\/li>\n<li><strong>\u6027\u80fd\u512a\u5316\uff1a<\/strong>\u901a\u904e\u5206\u7247\u6280\u8853\uff0c\u6e1b\u5c11\u55ae\u500b\u7bc0\u9ede\u7684\u8ca0\u64d4\uff0c\u63d0\u9ad8\u6574\u9ad4\u6027\u80fd\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b5%90%e8%ab%96-APhcjiJYus\">\u7d50\u8ad6<\/h2>\n<p>Redis \u96c6\u7fa4\u7684\u5b58\u5132\u4f4d\u7f6e\u63a2\u7d22\u4e0d\u50c5\u6d89\u53ca\u5230\u6578\u64da\u7684\u5206\u4f48\u548c\u7ba1\u7406\uff0c\u9084\u95dc\u4e4e\u6574\u9ad4\u7cfb\u7d71\u7684\u6027\u80fd\u548c\u53ef\u7528\u6027\u3002\u901a\u904e\u5408\u7406\u7684\u914d\u7f6e\u548c\u7ba1\u7406\uff0cRedis \u96c6\u7fa4\u80fd\u5920\u70ba\u61c9\u7528\u7a0b\u5e8f\u63d0\u4f9b\u7a69\u5b9a\u3001\u9ad8\u6548\u7684\u6578\u64da\u5b58\u5132\u89e3\u6c7a\u65b9\u6848\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u6027\u80fd\u6578\u64da\u8655\u7406\u7684\u4f01\u696d\u4f86\u8aaa\uff0c\u9078\u64c7\u5408\u9069\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u65b9\u6848\u4f86\u90e8\u7f72 Redis \u96c6\u7fa4\u5c07\u662f\u660e\u667a\u4e4b\u8209\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22Redis\u96c6\u7fa4\u5b58\u5132\u4f4d\u7f6e\uff0c\u4e86\u89e3\u6578\u64da\u5206\u5e03\u3001\u7bc0\u9ede\u7ba1\u7406\u53ca\u6027\u80fd\u512a\u5316\uff0c\u63d0\u5347\u7cfb\u7d71\u6548\u7387\u8207\u53ef\u9760\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-122074","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/122074","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=122074"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/122074\/revisions"}],"predecessor-version":[{"id":122075,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/122074\/revisions\/122075"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=122074"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=122074"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=122074"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}