{"id":104623,"date":"2024-10-22T17:54:14","date_gmt":"2024-10-22T09:54:14","guid":{"rendered":"https:\/\/server.hk\/cnblog\/104623\/"},"modified":"2024-10-22T17:54:15","modified_gmt":"2024-10-22T09:54:15","slug":"redis-%e9%81%8e%e6%9c%9f%e6%a9%9f%e5%88%b6%e5%9c%a8%e5%a4%9a%e7%b7%9a%e7%a8%8b%e4%b8%8b%e7%9a%84%e5%84%aa%e5%8c%96","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/104623\/","title":{"rendered":"Redis \u904e\u671f\u6a5f\u5236\u5728\u591a\u7dda\u7a0b\u4e0b\u7684\u512a\u5316"},"content":{"rendered":"<h1 id=\"redis-%e9%81%8e%e6%9c%9f%e6%a9%9f%e5%88%b6%e5%9c%a8%e5%a4%9a%e7%b7%9a%e7%a8%8b%e4%b8%8b%e7%9a%84%e5%84%aa%e5%8c%96-POmktOlvht\">Redis \u904e\u671f\u6a5f\u5236\u5728\u591a\u7dda\u7a0b\u4e0b\u7684\u512a\u5316<\/h1>\n<p>Redis \u662f\u4e00\u500b\u9ad8\u6548\u7684\u9375\u503c\u6578\u64da\u5eab\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u7de9\u5b58\u3001\u6d88\u606f\u968a\u5217\u548c\u6578\u64da\u5b58\u5132\u7b49\u5834\u666f\u3002\u5176\u904e\u671f\u6a5f\u5236\u5141\u8a31\u7528\u6236\u8a2d\u7f6e\u9375\u7684\u6709\u6548\u671f\u9650\uff0c\u7576\u9375\u904e\u671f\u5f8c\uff0cRedis \u6703\u81ea\u52d5\u522a\u9664\u9019\u4e9b\u9375\u3002\u96a8\u8457\u591a\u7dda\u7a0b\u61c9\u7528\u7684\u589e\u9577\uff0c\u5982\u4f55\u5728\u591a\u7dda\u7a0b\u74b0\u5883\u4e0b\u512a\u5316 Redis \u7684\u904e\u671f\u6a5f\u5236\u6210\u70ba\u4e86\u4e00\u500b\u91cd\u8981\u7684\u8ab2\u984c\u3002<\/p>\n<h2 id=\"redis-%e7%9a%84%e9%81%8e%e6%9c%9f%e6%a9%9f%e5%88%b6%e6%a6%82%e8%bf%b0-POmktOlvht\">Redis \u7684\u904e\u671f\u6a5f\u5236\u6982\u8ff0<\/h2>\n<p>Redis \u63d0\u4f9b\u4e86\u5169\u7a2e\u4e3b\u8981\u7684\u904e\u671f\u6a5f\u5236\uff1a<\/p>\n<ul>\n<li><strong>\u5b9a\u6642\u522a\u9664\uff1a<\/strong>Redis \u6703\u5b9a\u671f\u6aa2\u67e5\u904e\u671f\u9375\uff0c\u4e26\u5c07\u5176\u522a\u9664\u3002\u9019\u500b\u904e\u7a0b\u662f\u901a\u904e\u4e00\u500b\u5b9a\u6642\u4efb\u52d9\u4f86\u5be6\u73fe\u7684\uff0c\u901a\u5e38\u6bcf 100 \u6beb\u79d2\u57f7\u884c\u4e00\u6b21\u3002<\/li>\n<li><strong>\u60f0\u6027\u522a\u9664\uff1a<\/strong>\u7576\u7528\u6236\u8a2a\u554f\u4e00\u500b\u9375\u6642\uff0cRedis \u6703\u6aa2\u67e5\u8a72\u9375\u662f\u5426\u904e\u671f\u3002\u5982\u679c\u904e\u671f\uff0c\u5247\u7acb\u5373\u522a\u9664\u3002<\/li>\n<\/ul>\n<p>\u9019\u5169\u7a2e\u6a5f\u5236\u7684\u7d50\u5408\u4f7f\u5f97 Redis \u80fd\u5920\u9ad8\u6548\u5730\u7ba1\u7406\u904e\u671f\u9375\uff0c\u4f46\u5728\u591a\u7dda\u7a0b\u74b0\u5883\u4e2d\uff0c\u9019\u4e9b\u6a5f\u5236\u53ef\u80fd\u6703\u5c0e\u81f4\u6027\u80fd\u74f6\u9838\u3002<\/p>\n<h2 id=\"%e5%a4%9a%e7%b7%9a%e7%a8%8b%e7%92%b0%e5%a2%83%e4%b8%8b%e7%9a%84%e6%8c%91%e6%88%b0-POmktOlvht\">\u591a\u7dda\u7a0b\u74b0\u5883\u4e0b\u7684\u6311\u6230<\/h2>\n<p>\u5728\u591a\u7dda\u7a0b\u74b0\u5883\u4e2d\uff0cRedis \u7684\u904e\u671f\u6a5f\u5236\u9762\u81e8\u4ee5\u4e0b\u6311\u6230\uff1a<\/p>\n<ul>\n<li><strong>\u7af6\u722d\u689d\u4ef6\uff1a<\/strong>\u591a\u500b\u7dda\u7a0b\u53ef\u80fd\u540c\u6642\u8a2a\u554f\u548c\u4fee\u6539\u540c\u4e00\u9375\uff0c\u9019\u53ef\u80fd\u5c0e\u81f4\u4e0d\u4e00\u81f4\u7684\u72c0\u614b\u3002<\/li>\n<li><strong>\u6027\u80fd\u74f6\u9838\uff1a<\/strong>\u5b9a\u6642\u522a\u9664\u904e\u7a0b\u53ef\u80fd\u6703\u5f71\u97ff\u5176\u4ed6\u64cd\u4f5c\u7684\u6027\u80fd\uff0c\u7279\u5225\u662f\u5728\u9ad8\u4e26\u767c\u7684\u60c5\u6cc1\u4e0b\u3002<\/li>\n<li><strong>\u8cc7\u6e90\u6d6a\u8cbb\uff1a<\/strong>\u5982\u679c\u904e\u671f\u9375\u7684\u6578\u91cf\u904e\u591a\uff0c\u5b9a\u6642\u522a\u9664\u7684\u904e\u7a0b\u53ef\u80fd\u6703\u6d88\u8017\u904e\u591a\u7684 CPU \u548c\u5167\u5b58\u8cc7\u6e90\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%84%aa%e5%8c%96%e7%ad%96%e7%95%a5-POmktOlvht\">\u512a\u5316\u7b56\u7565<\/h2>\n<p>\u70ba\u4e86\u5728\u591a\u7dda\u7a0b\u74b0\u5883\u4e2d\u512a\u5316 Redis \u7684\u904e\u671f\u6a5f\u5236\uff0c\u53ef\u4ee5\u8003\u616e\u4ee5\u4e0b\u5e7e\u7a2e\u7b56\u7565\uff1a<\/p>\n<h3 id=\"1-%e4%bd%bf%e7%94%a8%e5%88%86%e5%b8%83%e5%bc%8f%e9%8e%96-POmktOlvht\">1. \u4f7f\u7528\u5206\u5e03\u5f0f\u9396<\/h3>\n<p>\u5728\u591a\u7dda\u7a0b\u74b0\u5883\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528\u5206\u5e03\u5f0f\u9396\u4f86\u907f\u514d\u7af6\u722d\u689d\u4ef6\u3002\u9019\u6a23\u53ef\u4ee5\u78ba\u4fdd\u5728\u540c\u4e00\u6642\u9593\u53ea\u6709\u4e00\u500b\u7dda\u7a0b\u80fd\u5920\u8a2a\u554f\u548c\u4fee\u6539\u67d0\u500b\u9375\u7684\u904e\u671f\u6642\u9593\u3002<\/p>\n<pre><code>\n# \u4f7f\u7528 Redlock \u5be6\u73fe\u5206\u5e03\u5f0f\u9396\ndef acquire_lock(key):\n    # \u5617\u8a66\u7372\u53d6\u9396\n    return redis_client.set(key, \"lock\", nx=True, ex=5)\n\ndef release_lock(key):\n    # \u91cb\u653e\u9396\n    redis_client.delete(key)\n<\/code><\/pre>\n<h3 id=\"2-%e8%aa%bf%e6%95%b4%e5%ae%9a%e6%99%82%e5%88%aa%e9%99%a4%e7%9a%84%e9%a0%bb%e7%8e%87-POmktOlvht\">2. \u8abf\u6574\u5b9a\u6642\u522a\u9664\u7684\u983b\u7387<\/h3>\n<p>\u6839\u64da\u5be6\u969b\u7684\u696d\u52d9\u9700\u6c42\uff0c\u53ef\u4ee5\u8abf\u6574 Redis \u7684\u5b9a\u6642\u522a\u9664\u983b\u7387\uff0c\u4ee5\u6e1b\u5c11\u5c0d\u6027\u80fd\u7684\u5f71\u97ff\u3002\u4f8b\u5982\uff0c\u5728\u9ad8\u5cf0\u671f\u53ef\u4ee5\u964d\u4f4e\u6aa2\u67e5\u983b\u7387\uff0c\u800c\u5728\u4f4e\u5cf0\u671f\u5247\u53ef\u4ee5\u63d0\u9ad8\u983b\u7387\u3002<\/p>\n<h3 id=\"3-%e4%bd%bf%e7%94%a8%e9%81%8e%e6%9c%9f%e9%80%9a%e7%9f%a5-POmktOlvht\">3. \u4f7f\u7528\u904e\u671f\u901a\u77e5<\/h3>\n<p>Redis \u63d0\u4f9b\u4e86\u904e\u671f\u901a\u77e5\u529f\u80fd\uff0c\u53ef\u4ee5\u5728\u9375\u904e\u671f\u6642\u767c\u9001\u4e8b\u4ef6\u901a\u77e5\u3002\u9019\u6a23\u53ef\u4ee5\u8b93\u61c9\u7528\u7a0b\u5e8f\u5728\u9375\u904e\u671f\u6642\u57f7\u884c\u7279\u5b9a\u7684\u64cd\u4f5c\uff0c\u800c\u4e0d\u5fc5\u4f9d\u8cf4\u65bc\u5b9a\u6642\u522a\u9664\u3002<\/p>\n<pre><code>\n# \u8a2d\u7f6e\u904e\u671f\u901a\u77e5\nredis_client.config_set('notify-keyspace-events', 'Ex')\n<\/code><\/pre>\n<h2 id=\"%e7%b5%90%e8%ab%96-POmktOlvht\">\u7d50\u8ad6<\/h2>\n<p>\u5728\u591a\u7dda\u7a0b\u74b0\u5883\u4e2d\uff0c\u512a\u5316 Redis \u7684\u904e\u671f\u6a5f\u5236\u662f\u63d0\u5347\u7cfb\u7d71\u6027\u80fd\u7684\u95dc\u9375\u3002\u901a\u904e\u4f7f\u7528\u5206\u5e03\u5f0f\u9396\u3001\u8abf\u6574\u5b9a\u6642\u522a\u9664\u983b\u7387\u548c\u5229\u7528\u904e\u671f\u901a\u77e5\u7b49\u7b56\u7565\uff0c\u53ef\u4ee5\u6709\u6548\u5730\u89e3\u6c7a\u591a\u7dda\u7a0b\u4e0b\u7684\u6027\u80fd\u74f6\u9838\u548c\u8cc7\u6e90\u6d6a\u8cbb\u554f\u984c\u3002\u9019\u4e9b\u512a\u5316\u63aa\u65bd\u4e0d\u50c5\u80fd\u63d0\u9ad8 Redis \u7684\u6548\u7387\uff0c\u9084\u80fd\u589e\u5f37\u61c9\u7528\u7a0b\u5e8f\u7684\u7a69\u5b9a\u6027\u3002<\/p>\n<p>\u5982\u9700\u4e86\u89e3\u66f4\u591a\u95dc\u65bc <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u548c <a href=\"https:\/\/server.hk\">\u4e91\u670d\u52a1\u5668<\/a> \u7684\u4fe1\u606f\uff0c\u8acb\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22Redis\u904e\u671f\u6a5f\u5236\u5728\u591a\u7dda\u7a0b\u74b0\u5883\u4e2d\u7684\u512a\u5316\u7b56\u7565\uff0c\u63d0\u9ad8\u6027\u80fd\u8207\u6548\u7387\uff0c\u78ba\u4fdd\u6578\u64da\u7ba1\u7406\u7684\u7a69\u5b9a\u6027\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-104623","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/104623","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=104623"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/104623\/revisions"}],"predecessor-version":[{"id":104624,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/104623\/revisions\/104624"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=104623"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=104623"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=104623"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}