{"id":154423,"date":"2024-11-02T15:41:18","date_gmt":"2024-11-02T07:41:18","guid":{"rendered":"https:\/\/server.hk\/cnblog\/154423\/"},"modified":"2024-11-02T15:41:19","modified_gmt":"2024-11-02T07:41:19","slug":"%e8%ae%80%e5%af%ab%e8%a7%a3%e6%b1%ba-redis-%e4%b8%a6%e7%99%bc%e8%ae%80%e5%af%ab%e5%95%8f%e9%a1%8c%e7%9a%84%e6%96%b9%e6%b3%95%ef%bc%88%e5%a6%82%e4%bd%95%e8%a7%a3%e6%b1%ba-redis-%e4%b8%a6%e7%99%bc","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/154423\/","title":{"rendered":"\u8b80\u5beb\u89e3\u6c7a Redis \u4e26\u767c\u8b80\u5beb\u554f\u984c\u7684\u65b9\u6cd5\uff08\u5982\u4f55\u89e3\u6c7a Redis \u4e26\u767c\uff09"},"content":{"rendered":"<h1 id=\"%e8%ae%80%e5%af%ab%e8%a7%a3%e6%b1%ba-redis-%e4%b8%a6%e7%99%bc%e8%ae%80%e5%af%ab%e5%95%8f%e9%a1%8c%e7%9a%84%e6%96%b9%e6%b3%95%ef%bc%88%e5%a6%82%e4%bd%95%e8%a7%a3%e6%b1%ba-redis-%e4%b8%a6%e7%99%bc-drOfGXYfll\">\u8b80\u5beb\u89e3\u6c7a Redis \u4e26\u767c\u8b80\u5beb\u554f\u984c\u7684\u65b9\u6cd5\uff08\u5982\u4f55\u89e3\u6c7a Redis \u4e26\u767c\uff09<\/h1>\n<p>Redis \u662f\u4e00\u7a2e\u9ad8\u6548\u80fd\u7684\u9375\u503c\u6578\u64da\u5eab\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u5404\u7a2e\u9700\u8981\u5feb\u901f\u6578\u64da\u5b58\u53d6\u7684\u5834\u666f\u3002\u7136\u800c\uff0c\u5728\u9ad8\u4f75\u767c\u7684\u74b0\u5883\u4e0b\uff0cRedis \u7684\u8b80\u5beb\u64cd\u4f5c\u53ef\u80fd\u6703\u9047\u5230\u4e00\u4e9b\u6311\u6230\uff0c\u7279\u5225\u662f\u5728\u591a\u500b\u5ba2\u6236\u7aef\u540c\u6642\u8a2a\u554f\u540c\u4e00\u6578\u64da\u6642\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u89e3\u6c7a Redis \u7684\u4e26\u767c\u8b80\u5beb\u554f\u984c\uff0c\u4e26\u63d0\u4f9b\u4e00\u4e9b\u6709\u6548\u7684\u89e3\u6c7a\u65b9\u6848\u3002<\/p>\n<h2 id=\"redis-%e7%9a%84%e5%9f%ba%e6%9c%ac%e7%89%b9%e6%80%a7-drOfGXYfll\">Redis \u7684\u57fa\u672c\u7279\u6027<\/h2>\n<p>Redis \u662f\u4e00\u500b\u958b\u6e90\u7684\u5167\u5b58\u6578\u64da\u7d50\u69cb\u5b58\u5132\u7cfb\u7d71\uff0c\u652f\u6301\u591a\u7a2e\u6578\u64da\u7d50\u69cb\uff0c\u5982\u5b57\u7b26\u4e32\u3001\u54c8\u5e0c\u3001\u5217\u8868\u3001\u96c6\u5408\u7b49\u3002\u5b83\u7684\u9ad8\u6548\u80fd\u4e3b\u8981\u4f86\u81ea\u65bc\u4ee5\u4e0b\u5e7e\u500b\u7279\u6027\uff1a<\/p>\n<ul>\n<li>\u5167\u5b58\u5b58\u5132\uff1a\u6240\u6709\u6578\u64da\u90fd\u5b58\u5132\u5728\u5167\u5b58\u4e2d\uff0c\u8b80\u53d6\u901f\u5ea6\u6975\u5feb\u3002<\/li>\n<li>\u55ae\u7dda\u7a0b\u67b6\u69cb\uff1aRedis \u4f7f\u7528\u55ae\u7dda\u7a0b\u4f86\u8655\u7406\u8acb\u6c42\uff0c\u907f\u514d\u4e86\u591a\u7dda\u7a0b\u74b0\u5883\u4e0b\u7684\u4e0a\u4e0b\u6587\u5207\u63db\u958b\u92b7\u3002<\/li>\n<li>\u539f\u5b50\u64cd\u4f5c\uff1aRedis \u63d0\u4f9b\u4e86\u591a\u7a2e\u539f\u5b50\u64cd\u4f5c\uff0c\u78ba\u4fdd\u6578\u64da\u7684\u4e00\u81f4\u6027\u3002<\/li>\n<\/ul>\n<h2 id=\"%e4%b8%a6%e7%99%bc%e8%ae%80%e5%af%ab%e5%95%8f%e9%a1%8c%e7%9a%84%e6%a0%b9%e6%ba%90-drOfGXYfll\">\u4e26\u767c\u8b80\u5beb\u554f\u984c\u7684\u6839\u6e90<\/h2>\n<p>\u5118\u7ba1 Redis \u7684\u55ae\u7dda\u7a0b\u67b6\u69cb\u5728\u5927\u591a\u6578\u60c5\u6cc1\u4e0b\u80fd\u5920\u63d0\u4f9b\u9ad8\u6548\u7684\u6027\u80fd\uff0c\u4f46\u5728\u9ad8\u4f75\u767c\u7684\u60c5\u6cc1\u4e0b\uff0c\u4ecd\u7136\u53ef\u80fd\u51fa\u73fe\u4ee5\u4e0b\u554f\u984c\uff1a<\/p>\n<ul>\n<li><strong>\u6578\u64da\u7af6\u722d\uff1a<\/strong>\u7576\u591a\u500b\u5ba2\u6236\u7aef\u540c\u6642\u5c0d\u540c\u4e00\u9375\u9032\u884c\u8b80\u5beb\u64cd\u4f5c\u6642\uff0c\u53ef\u80fd\u6703\u5c0e\u81f4\u6578\u64da\u4e0d\u4e00\u81f4\u3002<\/li>\n<li><strong>\u5ef6\u9072\u589e\u52a0\uff1a<\/strong>\u5728\u9ad8\u4f75\u767c\u60c5\u6cc1\u4e0b\uff0c\u8acb\u6c42\u7684\u6392\u968a\u6642\u9593\u53ef\u80fd\u6703\u589e\u52a0\uff0c\u5c0e\u81f4\u6574\u9ad4\u5ef6\u9072\u3002<\/li>\n<li><strong>\u8cc7\u6e90\u74f6\u9838\uff1a<\/strong>\u5982\u679c Redis \u7684\u5167\u5b58\u6216 CPU \u8cc7\u6e90\u4e0d\u8db3\uff0c\u5c07\u7121\u6cd5\u6709\u6548\u8655\u7406\u5927\u91cf\u8acb\u6c42\u3002<\/li>\n<\/ul>\n<h2 id=\"%e8%a7%a3%e6%b1%ba-redis-%e4%b8%a6%e7%99%bc%e8%ae%80%e5%af%ab%e5%95%8f%e9%a1%8c%e7%9a%84%e6%96%b9%e6%b3%95-drOfGXYfll\">\u89e3\u6c7a Redis \u4e26\u767c\u8b80\u5beb\u554f\u984c\u7684\u65b9\u6cd5<\/h2>\n<h3 id=\"1-%e4%bd%bf%e7%94%a8%e5%88%86%e5%b8%83%e5%bc%8f%e9%8e%96-drOfGXYfll\">1. \u4f7f\u7528\u5206\u5e03\u5f0f\u9396<\/h3>\n<p>\u5206\u5e03\u5f0f\u9396\u662f\u4e00\u7a2e\u5e38\u898b\u7684\u89e3\u6c7a\u65b9\u6848\uff0c\u53ef\u4ee5\u6709\u6548\u907f\u514d\u6578\u64da\u7af6\u722d\u554f\u984c\u3002\u901a\u904e\u4f7f\u7528 Redis \u7684 SETNX \u547d\u4ee4\uff0c\u53ef\u4ee5\u5be6\u73fe\u4e00\u500b\u7c21\u55ae\u7684\u9396\u6a5f\u5236\uff1a<\/p>\n<pre><code>SETNX lock_key unique_lock_value\nEXPIRE lock_key 10\n<\/code><\/pre>\n<p>\u5728\u7372\u53d6\u9396\u5f8c\uff0c\u57f7\u884c\u8b80\u5beb\u64cd\u4f5c\uff0c\u6700\u5f8c\u91cb\u653e\u9396\u3002\u9019\u6a23\u53ef\u4ee5\u78ba\u4fdd\u5728\u540c\u4e00\u6642\u9593\u5167\u53ea\u6709\u4e00\u500b\u5ba2\u6236\u7aef\u80fd\u5920\u5c0d\u6578\u64da\u9032\u884c\u4fee\u6539\u3002<\/p>\n<h3 id=\"2-%e4%bd%bf%e7%94%a8%e4%ba%8b%e5%8b%99-drOfGXYfll\">2. \u4f7f\u7528\u4e8b\u52d9<\/h3>\n<p>Redis \u652f\u6301\u4e8b\u52d9\u64cd\u4f5c\uff0c\u53ef\u4ee5\u901a\u904e MULTI \u548c EXEC \u547d\u4ee4\u4f86\u5be6\u73fe\u539f\u5b50\u6027\u64cd\u4f5c\u3002\u9019\u6a23\u53ef\u4ee5\u78ba\u4fdd\u4e00\u7d44\u64cd\u4f5c\u8981\u9ebc\u5168\u90e8\u6210\u529f\uff0c\u8981\u9ebc\u5168\u90e8\u5931\u6557\uff1a<\/p>\n<pre><code>MULTI\nSET key1 value1\nSET key2 value2\nEXEC\n<\/code><\/pre>\n<p>\u9019\u6a23\u7684\u64cd\u4f5c\u53ef\u4ee5\u6709\u6548\u907f\u514d\u5728\u4e26\u767c\u60c5\u6cc1\u4e0b\u51fa\u73fe\u7684\u6578\u64da\u4e0d\u4e00\u81f4\u554f\u984c\u3002<\/p>\n<h3 id=\"3-%e4%bd%bf%e7%94%a8-lua-%e8%85%b3%e6%9c%ac-drOfGXYfll\">3. \u4f7f\u7528 Lua \u8173\u672c<\/h3>\n<p>Redis \u652f\u6301 Lua \u8173\u672c\uff0c\u53ef\u4ee5\u5c07\u591a\u500b\u64cd\u4f5c\u5c01\u88dd\u5728\u4e00\u500b\u539f\u5b50\u64cd\u4f5c\u4e2d\u57f7\u884c\u3002\u9019\u6a23\u53ef\u4ee5\u6e1b\u5c11\u7db2\u7d61\u5ef6\u9072\u4e26\u63d0\u9ad8\u6027\u80fd\uff1a<\/p>\n<pre><code>eval \"redis.call('set', KEYS[1], ARGV[1])\" 1 key1 value1\n<\/code><\/pre>\n<p>\u4f7f\u7528 Lua \u8173\u672c\u53ef\u4ee5\u78ba\u4fdd\u5728\u57f7\u884c\u904e\u7a0b\u4e2d\u4e0d\u6703\u88ab\u5176\u4ed6\u8acb\u6c42\u6253\u65b7\u3002<\/p>\n<h3 id=\"4-%e5%9e%82%e7%9b%b4%e5%92%8c%e6%b0%b4%e5%b9%b3%e6%93%b4%e5%b1%95-drOfGXYfll\">4. \u5782\u76f4\u548c\u6c34\u5e73\u64f4\u5c55<\/h3>\n<p>\u7576 Redis \u7684\u6027\u80fd\u74f6\u9838\u51fa\u73fe\u6642\uff0c\u53ef\u4ee5\u8003\u616e\u9032\u884c\u5782\u76f4\u6216\u6c34\u5e73\u64f4\u5c55\u3002\u5782\u76f4\u64f4\u5c55\u662f\u589e\u52a0\u55ae\u500b Redis \u5be6\u4f8b\u7684\u8cc7\u6e90\uff0c\u800c\u6c34\u5e73\u64f4\u5c55\u5247\u662f\u901a\u904e\u589e\u52a0\u66f4\u591a\u7684 Redis \u5be6\u4f8b\u4f86\u5206\u64d4\u8ca0\u8f09\u3002<\/p>\n<h2 id=\"%e7%b8%bd%e7%b5%90-drOfGXYfll\">\u7e3d\u7d50<\/h2>\n<p>\u5728\u9ad8\u4f75\u767c\u74b0\u5883\u4e0b\uff0cRedis \u7684\u8b80\u5beb\u64cd\u4f5c\u53ef\u80fd\u6703\u9762\u81e8\u6578\u64da\u7af6\u722d\u548c\u5ef6\u9072\u7b49\u554f\u984c\u3002\u901a\u904e\u4f7f\u7528\u5206\u5e03\u5f0f\u9396\u3001\u4e8b\u52d9\u3001Lua \u8173\u672c\u4ee5\u53ca\u64f4\u5c55\u7b56\u7565\uff0c\u53ef\u4ee5\u6709\u6548\u89e3\u6c7a\u9019\u4e9b\u554f\u984c\uff0c\u78ba\u4fdd\u6578\u64da\u7684\u4e00\u81f4\u6027\u548c\u7cfb\u7d71\u7684\u7a69\u5b9a\u6027\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u6548\u80fd\u7684\u61c9\u7528\uff0c\u9078\u64c7\u5408\u9069\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u89e3\u6c7a\u65b9\u6848\u4e5f\u662f\u81f3\u95dc\u91cd\u8981\u7684\uff0c\u9019\u6a23\u53ef\u4ee5\u70ba Redis \u63d0\u4f9b\u7a69\u5b9a\u7684\u904b\u884c\u74b0\u5883\uff0c\u9032\u4e00\u6b65\u63d0\u5347\u6027\u80fd\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22\u6709\u6548\u89e3\u6c7a Redis \u4e26\u767c\u8b80\u5beb\u554f\u984c\u7684\u65b9\u6cd5\uff0c\u63d0\u5347\u6578\u64da\u4e00\u81f4\u6027\u8207\u6027\u80fd\uff0c\u78ba\u4fdd\u9ad8\u6548\u80fd\u7684\u6578\u64da\u8655\u7406\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-154423","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/154423","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=154423"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/154423\/revisions"}],"predecessor-version":[{"id":154424,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/154423\/revisions\/154424"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=154423"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=154423"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=154423"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}