{"id":99430,"date":"2024-10-21T10:56:16","date_gmt":"2024-10-21T02:56:16","guid":{"rendered":"https:\/\/server.hk\/cnblog\/99430\/"},"modified":"2024-10-21T10:56:17","modified_gmt":"2024-10-21T02:56:17","slug":"redis-%e7%b5%a6%e4%bd%a0%e6%9c%89%e6%95%88%e5%88%a9%e7%94%a8%e7%a9%ba%e9%96%92%e6%99%82%e9%96%93","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/99430\/","title":{"rendered":"Redis \u7d66\u4f60\u6709\u6548\u5229\u7528\u7a7a\u9592\u6642\u9593"},"content":{"rendered":"<h1 id=\"redis-%e7%b5%a6%e4%bd%a0%e6%9c%89%e6%95%88%e5%88%a9%e7%94%a8%e7%a9%ba%e9%96%92%e6%99%82%e9%96%93-wCpCErRjxx\">Redis \u7d66\u4f60\u6709\u6548\u5229\u7528\u7a7a\u9592\u6642\u9593<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u6578\u64da\u9a45\u52d5\u6642\u4ee3\uff0c\u5982\u4f55\u6709\u6548\u5229\u7528\u7a7a\u9592\u6642\u9593\u6210\u70ba\u4e86\u8a31\u591a\u958b\u767c\u8005\u548c\u4f01\u696d\u7684\u4e00\u500b\u91cd\u8981\u8ab2\u984c\u3002Redis\uff0c\u4f5c\u70ba\u4e00\u7a2e\u9ad8\u6548\u7684\u9375\u503c\u6578\u64da\u5eab\uff0c\u63d0\u4f9b\u4e86\u591a\u7a2e\u529f\u80fd\u4f86\u5e6b\u52a9\u7528\u6236\u66f4\u597d\u5730\u7ba1\u7406\u548c\u5229\u7528\u6578\u64da\u3002\u672c\u6587\u5c07\u63a2\u8a0e Redis \u7684\u7279\u6027\u53ca\u5176\u5982\u4f55\u5e6b\u52a9\u7528\u6236\u5728\u7a7a\u9592\u6642\u9593\u5167\u63d0\u5347\u5de5\u4f5c\u6548\u7387\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af-redis%ef%bc%9f-wCpCErRjxx\">\u4ec0\u9ebc\u662f Redis\uff1f<\/h2>\n<p>Redis\uff08Remote Dictionary Server\uff09\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\u548c\u6709\u5e8f\u96c6\u5408\u7b49\u3002\u7531\u65bc\u5176\u9ad8\u6027\u80fd\u548c\u9748\u6d3b\u6027\uff0cRedis \u88ab\u5ee3\u6cdb\u61c9\u7528\u65bc\u7de9\u5b58\u3001\u6d88\u606f\u968a\u5217\u548c\u5be6\u6642\u6578\u64da\u8655\u7406\u7b49\u5834\u666f\u3002<\/p>\n<h2 id=\"redis-%e7%9a%84%e7%89%b9%e6%80%a7-wCpCErRjxx\">Redis \u7684\u7279\u6027<\/h2>\n<ul>\n<li><strong>\u9ad8\u6027\u80fd\uff1a<\/strong>Redis \u80fd\u5920\u4ee5\u6bcf\u79d2\u6578\u5341\u842c\u6b21\u7684\u64cd\u4f5c\u901f\u5ea6\u8655\u7406\u8acb\u6c42\uff0c\u9019\u4f7f\u5f97\u5b83\u6210\u70ba\u9ad8\u6d41\u91cf\u61c9\u7528\u7684\u7406\u60f3\u9078\u64c7\u3002<\/li>\n<li><strong>\u6301\u4e45\u5316\uff1a<\/strong>Redis \u63d0\u4f9b\u4e86 RDB \u548c AOF \u5169\u7a2e\u6301\u4e45\u5316\u65b9\u5f0f\uff0c\u80fd\u5920\u5728\u7cfb\u7d71\u91cd\u555f\u5f8c\u6062\u5fa9\u6578\u64da\u3002<\/li>\n<li><strong>\u652f\u6301\u591a\u7a2e\u6578\u64da\u7d50\u69cb\uff1a<\/strong>\u9664\u4e86\u57fa\u672c\u7684\u9375\u503c\u5c0d\uff0cRedis \u9084\u652f\u6301\u8907\u96dc\u7684\u6578\u64da\u7d50\u69cb\uff0c\u9019\u4f7f\u5f97\u5b83\u5728\u8655\u7406\u4e0d\u540c\u985e\u578b\u7684\u6578\u64da\u6642\u66f4\u52a0\u9748\u6d3b\u3002<\/li>\n<li><strong>\u5206\u4f48\u5f0f\u652f\u6301\uff1a<\/strong>Redis Cluster \u5141\u8a31\u7528\u6236\u5728\u591a\u500b\u7bc0\u9ede\u4e4b\u9593\u5206\u914d\u6578\u64da\uff0c\u5f9e\u800c\u63d0\u9ad8\u7cfb\u7d71\u7684\u53ef\u64f4\u5c55\u6027\u548c\u53ef\u9760\u6027\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%a6%82%e4%bd%95%e5%88%a9%e7%94%a8-redis-%e6%8f%90%e9%ab%98%e5%b7%a5%e4%bd%9c%e6%95%88%e7%8e%87-wCpCErRjxx\">\u5982\u4f55\u5229\u7528 Redis \u63d0\u9ad8\u5de5\u4f5c\u6548\u7387<\/h2>\n<p>Redis \u7684\u9ad8\u6027\u80fd\u548c\u9748\u6d3b\u6027\u4f7f\u5f97\u5b83\u6210\u70ba\u958b\u767c\u8005\u5728\u7a7a\u9592\u6642\u9593\u5167\u9032\u884c\u6578\u64da\u8655\u7406\u548c\u7ba1\u7406\u7684\u7406\u60f3\u5de5\u5177\u3002\u4ee5\u4e0b\u662f\u5e7e\u7a2e\u5229\u7528 Redis \u63d0\u9ad8\u5de5\u4f5c\u6548\u7387\u7684\u65b9\u6cd5\uff1a<\/p>\n<h3 id=\"1-%e6%95%b8%e6%93%9a%e7%b7%a9%e5%ad%98-wCpCErRjxx\">1. \u6578\u64da\u7de9\u5b58<\/h3>\n<p>\u5728\u958b\u767c\u904e\u7a0b\u4e2d\uff0c\u983b\u7e41\u7684\u6578\u64da\u5eab\u67e5\u8a62\u6703\u6d88\u8017\u5927\u91cf\u6642\u9593\u3002\u4f7f\u7528 Redis \u4f5c\u70ba\u7de9\u5b58\u5c64\uff0c\u53ef\u4ee5\u986f\u8457\u6e1b\u5c11\u6578\u64da\u5eab\u7684\u8ca0\u64d4\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>import redis\n\n# \u9023\u63a5\u5230 Redis\nr = redis.Redis(host='localhost', port=6379, db=0)\n\n# \u67e5\u8a62\u6578\u64da\ndef get_data(key):\n    # \u5617\u8a66\u5f9e\u7de9\u5b58\u4e2d\u7372\u53d6\u6578\u64da\n    data = r.get(key)\n    if data:\n        return data\n    else:\n        # \u5982\u679c\u7de9\u5b58\u4e2d\u6c92\u6709\uff0c\u5247\u5f9e\u6578\u64da\u5eab\u67e5\u8a62\n        data = query_database(key)\n        # \u5c07\u6578\u64da\u5b58\u5165\u7de9\u5b58\n        r.set(key, data)\n        return data\n<\/code><\/pre>\n<h3 id=\"2-%e5%af%a6%e6%99%82%e6%95%b8%e6%93%9a%e8%99%95%e7%90%86-wCpCErRjxx\">2. \u5be6\u6642\u6578\u64da\u8655\u7406<\/h3>\n<p>Redis \u7684 Pub\/Sub \u529f\u80fd\u4f7f\u5f97\u5be6\u6642\u6578\u64da\u8655\u7406\u8b8a\u5f97\u7c21\u55ae\u3002\u958b\u767c\u8005\u53ef\u4ee5\u5229\u7528\u9019\u4e00\u7279\u6027\u4f86\u5be6\u73fe\u5373\u6642\u6d88\u606f\u63a8\u9001\u6216\u6578\u64da\u66f4\u65b0\u3002\u4f8b\u5982\uff1a<\/p>\n<pre><code>def publish_message(channel, message):\n    r.publish(channel, message)\n\ndef subscribe_channel(channel):\n    pubsub = r.pubsub()\n    pubsub.subscribe(channel)\n    for message in pubsub.listen():\n        print(message)\n<\/code><\/pre>\n<h3 id=\"3-%e4%bb%bb%e5%8b%99%e9%9a%8a%e5%88%97-wCpCErRjxx\">3. \u4efb\u52d9\u968a\u5217<\/h3>\n<p>Redis \u53ef\u4ee5\u7528\u4f5c\u4efb\u52d9\u968a\u5217\uff0c\u5e6b\u52a9\u958b\u767c\u8005\u7ba1\u7406\u548c\u8abf\u5ea6\u4efb\u52d9\u3002\u9019\u5c0d\u65bc\u9700\u8981\u8655\u7406\u5927\u91cf\u8acb\u6c42\u7684\u61c9\u7528\u7279\u5225\u6709\u7528\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684\u4efb\u52d9\u968a\u5217\u793a\u4f8b\uff1a<\/p>\n<pre><code>def add_task(task):\n    r.lpush('task_queue', task)\n\ndef process_tasks():\n    while True:\n        task = r.rpop('task_queue')\n        if task:\n            execute_task(task)\n<\/code><\/pre>\n<h2 id=\"%e7%b8%bd%e7%b5%90-wCpCErRjxx\">\u7e3d\u7d50<\/h2>\n<p>Redis \u4f5c\u70ba\u4e00\u500b\u9ad8\u6548\u7684\u6578\u64da\u5b58\u5132\u89e3\u6c7a\u65b9\u6848\uff0c\u80fd\u5920\u5e6b\u52a9\u958b\u767c\u8005\u5728\u7a7a\u9592\u6642\u9593\u5167\u6709\u6548\u5730\u7ba1\u7406\u548c\u8655\u7406\u6578\u64da\u3002\u7121\u8ad6\u662f\u7528\u65bc\u6578\u64da\u7de9\u5b58\u3001\u5be6\u6642\u6578\u64da\u8655\u7406\u9084\u662f\u4efb\u52d9\u968a\u5217\uff0cRedis \u90fd\u80fd\u63d0\u4f9b\u5f37\u5927\u7684\u652f\u6301\u3002\u5c0d\u65bc\u5e0c\u671b\u63d0\u5347\u5de5\u4f5c\u6548\u7387\u7684\u958b\u767c\u8005\u4f86\u8aaa\uff0c\u5b78\u7fd2\u548c\u638c\u63e1 Redis \u5c07\u662f\u4e00\u500b\u660e\u667a\u7684\u9078\u64c7\u3002\u5982\u679c\u4f60\u6b63\u5728\u5c0b\u627e\u53ef\u9760\u7684 <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u4f86\u90e8\u7f72 Redis\uff0cServer.HK \u63d0\u4f9b\u591a\u7a2e\u9748\u6d3b\u7684\u89e3\u6c7a\u65b9\u6848\uff0c\u5e6b\u52a9\u4f60\u66f4\u597d\u5730\u5229\u7528\u9019\u4e00\u5f37\u5927\u7684\u5de5\u5177\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Redis \u63d0\u4f9b\u9ad8\u6548\u7684\u6578\u64da\u5b58\u5132\u89e3\u6c7a\u65b9\u6848\uff0c\u5e6b\u52a9\u4f60\u5145\u5206\u5229\u7528\u7a7a\u9592\u6642\u9593\uff0c\u63d0\u5347\u5de5\u4f5c\u6548\u7387\u8207\u751f\u7522\u529b\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-99430","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/99430","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=99430"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/99430\/revisions"}],"predecessor-version":[{"id":99431,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/99430\/revisions\/99431"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=99430"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=99430"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=99430"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}