{"id":179382,"date":"2024-11-09T01:21:21","date_gmt":"2024-11-08T17:21:21","guid":{"rendered":"https:\/\/server.hk\/cnblog\/179382\/"},"modified":"2024-11-09T01:21:22","modified_gmt":"2024-11-08T17:21:22","slug":"%e5%a6%82%e4%bd%95%e5%84%aa%e5%8c%96-redis-%e7%b7%a9%e5%ad%98%e6%9b%b4%e6%96%b0%e7%ae%97%e6%b3%95%ef%bc%88redis-%e7%b7%a9%e5%ad%98%e6%9b%b4%e6%96%b0%e7%ae%97%e6%b3%95%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/179382\/","title":{"rendered":"\u5982\u4f55\u512a\u5316 Redis \u7de9\u5b58\u66f4\u65b0\u7b97\u6cd5\uff08redis \u7de9\u5b58\u66f4\u65b0\u7b97\u6cd5\uff09"},"content":{"rendered":"<h1 id=\"%e5%a6%82%e4%bd%95%e5%84%aa%e5%8c%96-redis-%e7%b7%a9%e5%ad%98%e6%9b%b4%e6%96%b0%e7%ae%97%e6%b3%95%ef%bc%88redis-%e7%b7%a9%e5%ad%98%e6%9b%b4%e6%96%b0%e7%ae%97%e6%b3%95%ef%bc%89-NtRhPcHGus\">\u5982\u4f55\u512a\u5316 Redis \u7de9\u5b58\u66f4\u65b0\u7b97\u6cd5\uff08redis \u7de9\u5b58\u66f4\u65b0\u7b97\u6cd5\uff09<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u7db2\u7d61\u61c9\u7528\u4e2d\uff0cRedis \u4f5c\u70ba\u4e00\u7a2e\u9ad8\u6548\u7684\u7de9\u5b58\u89e3\u6c7a\u65b9\u6848\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u63d0\u5347\u7cfb\u7d71\u6027\u80fd\u548c\u97ff\u61c9\u901f\u5ea6\u3002\u96a8\u8457\u6578\u64da\u91cf\u7684\u589e\u9577\uff0c\u5982\u4f55\u6709\u6548\u5730\u66f4\u65b0 Redis \u7de9\u5b58\u6210\u70ba\u4e86\u958b\u767c\u8005\u9762\u81e8\u7684\u4e00\u5927\u6311\u6230\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5e7e\u7a2e\u512a\u5316 Redis \u7de9\u5b58\u66f4\u65b0\u7b97\u6cd5\u7684\u65b9\u6cd5\uff0c\u5e6b\u52a9\u958b\u767c\u8005\u63d0\u9ad8\u7cfb\u7d71\u7684\u6574\u9ad4\u6027\u80fd\u3002<\/p>\n<h2 id=\"redis-%e7%b7%a9%e5%ad%98%e6%9b%b4%e6%96%b0%e7%ae%97%e6%b3%95%e6%a6%82%e8%bf%b0-NtRhPcHGus\">Redis \u7de9\u5b58\u66f4\u65b0\u7b97\u6cd5\u6982\u8ff0<\/h2>\n<p>Redis \u7de9\u5b58\u66f4\u65b0\u7b97\u6cd5\u4e3b\u8981\u662f\u6307\u5728\u6578\u64da\u8b8a\u66f4\u6642\uff0c\u5982\u4f55\u6709\u6548\u5730\u66f4\u65b0\u7de9\u5b58\u4e2d\u7684\u6578\u64da\u3002\u5e38\u898b\u7684\u66f4\u65b0\u7b56\u7565\u5305\u62ec\uff1a<\/p>\n<ul>\n<li><strong>\u5beb\u5165\u6642\u7de9\u5b58\uff08Write-Through\uff09<\/strong>\uff1a\u6bcf\u7576\u6578\u64da\u5beb\u5165\u6642\uff0c\u540c\u6642\u66f4\u65b0\u7de9\u5b58\u548c\u6578\u64da\u5eab\u3002<\/li>\n<li><strong>\u8b80\u53d6\u6642\u7de9\u5b58\uff08Read-Through\uff09<\/strong>\uff1a\u7576\u7de9\u5b58\u4e2d\u4e0d\u5b58\u5728\u6240\u9700\u6578\u64da\u6642\uff0c\u81ea\u52d5\u5f9e\u6578\u64da\u5eab\u4e2d\u8b80\u53d6\u4e26\u66f4\u65b0\u7de9\u5b58\u3002<\/li>\n<li><strong>\u904e\u671f\u7b56\u7565\uff08TTL\uff09<\/strong>\uff1a\u8a2d\u7f6e\u7de9\u5b58\u7684\u6709\u6548\u671f\uff0c\u904e\u671f\u5f8c\u81ea\u52d5\u522a\u9664\u3002<\/li>\n<li><strong>\u4e3b\u52d5\u5931\u6548\uff08Cache Aside\uff09<\/strong>\uff1a\u5728\u61c9\u7528\u5c64\u9762\u63a7\u5236\u7de9\u5b58\u7684\u66f4\u65b0\uff0c\u7576\u6578\u64da\u8b8a\u66f4\u6642\uff0c\u4e3b\u52d5\u522a\u9664\u6216\u66f4\u65b0\u7de9\u5b58\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%84%aa%e5%8c%96%e7%b7%a9%e5%ad%98%e6%9b%b4%e6%96%b0%e7%ae%97%e6%b3%95%e7%9a%84%e6%96%b9%e6%b3%95-NtRhPcHGus\">\u512a\u5316\u7de9\u5b58\u66f4\u65b0\u7b97\u6cd5\u7684\u65b9\u6cd5<\/h2>\n<h3 id=\"1-%e4%bd%bf%e7%94%a8%e5%90%88%e9%81%a9%e7%9a%84%e7%b7%a9%e5%ad%98%e5%a4%b1%e6%95%88%e7%ad%96%e7%95%a5-NtRhPcHGus\">1. \u4f7f\u7528\u5408\u9069\u7684\u7de9\u5b58\u5931\u6548\u7b56\u7565<\/h3>\n<p>\u9078\u64c7\u5408\u9069\u7684\u7de9\u5b58\u5931\u6548\u7b56\u7565\u5c0d\u65bc\u63d0\u9ad8\u7cfb\u7d71\u6027\u80fd\u81f3\u95dc\u91cd\u8981\u3002\u6839\u64da\u61c9\u7528\u5834\u666f\uff0c\u53ef\u4ee5\u9078\u64c7\u4e0d\u540c\u7684\u5931\u6548\u7b56\u7565\u3002\u4f8b\u5982\uff0c\u5c0d\u65bc\u7d93\u5e38\u8b8a\u66f4\u7684\u6578\u64da\uff0c\u53ef\u4ee5\u9078\u64c7\u77ed\u671f\u7684 TTL\uff0c\u800c\u5c0d\u65bc\u4e0d\u5e38\u8b8a\u66f4\u7684\u6578\u64da\uff0c\u53ef\u4ee5\u9078\u64c7\u8f03\u9577\u7684 TTL\u3002\u9019\u6a23\u53ef\u4ee5\u6e1b\u5c11\u4e0d\u5fc5\u8981\u7684\u7de9\u5b58\u66f4\u65b0\uff0c\u5f9e\u800c\u63d0\u9ad8\u6027\u80fd\u3002<\/p>\n<h3 id=\"2-%e6%89%b9%e9%87%8f%e6%9b%b4%e6%96%b0%e7%b7%a9%e5%ad%98-NtRhPcHGus\">2. \u6279\u91cf\u66f4\u65b0\u7de9\u5b58<\/h3>\n<p>\u5728\u67d0\u4e9b\u60c5\u6cc1\u4e0b\uff0c\u6578\u64da\u7684\u8b8a\u66f4\u53ef\u80fd\u662f\u6279\u91cf\u7684\u3002\u6b64\u6642\uff0c\u53ef\u4ee5\u8003\u616e\u5c07\u591a\u500b\u66f4\u65b0\u64cd\u4f5c\u5408\u4f75\u70ba\u4e00\u6b21\u6279\u91cf\u64cd\u4f5c\uff0c\u9019\u6a23\u53ef\u4ee5\u6e1b\u5c11\u8207 Redis \u7684\u4ea4\u4e92\u6b21\u6578\uff0c\u63d0\u9ad8\u6548\u7387\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>\n# \u6279\u91cf\u66f4\u65b0\u793a\u4f8b\npipeline = redis_client.pipeline()\nfor key, value in updates.items():\n    pipeline.set(key, value)\npipeline.execute()\n<\/code><\/pre>\n<h3 id=\"3-%e4%bd%bf%e7%94%a8%e6%b6%88%e6%81%af%e9%9a%8a%e5%88%97%e9%80%b2%e8%a1%8c%e7%95%b0%e6%ad%a5%e6%9b%b4%e6%96%b0-NtRhPcHGus\">3. \u4f7f\u7528\u6d88\u606f\u968a\u5217\u9032\u884c\u7570\u6b65\u66f4\u65b0<\/h3>\n<p>\u5c07\u7de9\u5b58\u66f4\u65b0\u64cd\u4f5c\u653e\u5165\u6d88\u606f\u968a\u5217\u4e2d\uff0c\u5be6\u73fe\u7570\u6b65\u8655\u7406\uff0c\u53ef\u4ee5\u6709\u6548\u6e1b\u5c11\u4e3b\u7dda\u7a0b\u7684\u8ca0\u64d4\u3002\u9019\u6a23\uff0c\u7576\u6578\u64da\u8b8a\u66f4\u6642\uff0c\u61c9\u7528\u7a0b\u5e8f\u53ef\u4ee5\u7acb\u5373\u8fd4\u56de\u97ff\u61c9\uff0c\u800c\u4e0d\u5fc5\u7b49\u5f85\u7de9\u5b58\u66f4\u65b0\u5b8c\u6210\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u4f7f\u7528 RabbitMQ \u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>\n# \u767c\u9001\u66f4\u65b0\u6d88\u606f\nchannel.basic_publish(exchange='',\n                      routing_key='cache_updates',\n                      body=json.dumps({'key': key, 'value': value}))\n<\/code><\/pre>\n<h3 id=\"4-%e7%9b%a3%e6%8e%a7%e5%92%8c%e5%88%86%e6%9e%90%e7%b7%a9%e5%ad%98%e5%91%bd%e4%b8%ad%e7%8e%87-NtRhPcHGus\">4. \u76e3\u63a7\u548c\u5206\u6790\u7de9\u5b58\u547d\u4e2d\u7387<\/h3>\n<p>\u5b9a\u671f\u76e3\u63a7\u548c\u5206\u6790\u7de9\u5b58\u7684\u547d\u4e2d\u7387\uff0c\u53ef\u4ee5\u5e6b\u52a9\u958b\u767c\u8005\u4e86\u89e3\u7de9\u5b58\u7684\u4f7f\u7528\u60c5\u6cc1\uff0c\u5f9e\u800c\u8abf\u6574\u7de9\u5b58\u7b56\u7565\u3002\u4f7f\u7528 Redis \u63d0\u4f9b\u7684\u7d71\u8a08\u547d\u4ee4\uff0c\u5982 <code>INFO<\/code>\uff0c\u53ef\u4ee5\u7372\u53d6\u7de9\u5b58\u7684\u547d\u4e2d\u7387\u548c\u5176\u4ed6\u6027\u80fd\u6307\u6a19\u3002<\/p>\n<pre><code>\n# \u7372\u53d6\u7de9\u5b58\u7d71\u8a08\u4fe1\u606f\ninfo = redis_client.info()\nhit_rate = info['keyspace_hits'] \/ (info['keyspace_hits'] + info['keyspace_misses'])\n<\/code><\/pre>\n<h2 id=\"%e7%b5%90%e8%ab%96-NtRhPcHGus\">\u7d50\u8ad6<\/h2>\n<p>\u512a\u5316 Redis \u7de9\u5b58\u66f4\u65b0\u7b97\u6cd5\u662f\u63d0\u5347\u7cfb\u7d71\u6027\u80fd\u7684\u91cd\u8981\u624b\u6bb5\u3002\u901a\u904e\u9078\u64c7\u5408\u9069\u7684\u7de9\u5b58\u5931\u6548\u7b56\u7565\u3001\u6279\u91cf\u66f4\u65b0\u7de9\u5b58\u3001\u4f7f\u7528\u6d88\u606f\u968a\u5217\u9032\u884c\u7570\u6b65\u66f4\u65b0\u4ee5\u53ca\u76e3\u63a7\u7de9\u5b58\u547d\u4e2d\u7387\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u6709\u6548\u5730\u63d0\u9ad8\u61c9\u7528\u7684\u97ff\u61c9\u901f\u5ea6\u548c\u7a69\u5b9a\u6027\u3002\u96a8\u8457\u6280\u8853\u7684\u767c\u5c55\uff0c\u6301\u7e8c\u95dc\u6ce8\u548c\u512a\u5316\u7de9\u5b58\u7b56\u7565\u5c07\u662f\u672a\u4f86\u7684\u91cd\u8981\u8da8\u52e2\u3002<\/p>\n<p>\u5982\u9700\u4e86\u89e3\u66f4\u591a\u6709\u95dc <a href=\"https:\/\/server.hk\">VPS<\/a> \u548c <a href=\"https:\/\/server.hk\">\u9999\u6e2f\u4f3a\u670d\u5668<\/a> \u7684\u8cc7\u8a0a\uff0c\u8acb\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22\u5982\u4f55\u512a\u5316 Redis \u7de9\u5b58\u66f4\u65b0\u7b97\u6cd5\uff0c\u63d0\u9ad8\u6027\u80fd\u8207\u6548\u7387\uff0c\u78ba\u4fdd\u6578\u64da\u4e00\u81f4\u6027\u8207\u5feb\u901f\u97ff\u61c9\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-179382","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/179382","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=179382"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/179382\/revisions"}],"predecessor-version":[{"id":179383,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/179382\/revisions\/179383"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=179382"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=179382"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=179382"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}