{"id":98242,"date":"2024-10-21T00:58:19","date_gmt":"2024-10-20T16:58:19","guid":{"rendered":"https:\/\/server.hk\/cnblog\/98242\/"},"modified":"2024-10-21T00:58:20","modified_gmt":"2024-10-20T16:58:20","slug":"redis-%e8%b6%85%e6%99%82%e8%a8%ad%e7%bd%ae%e4%b8%8b%e7%9a%84%e9%87%8d%e8%a9%a6%e6%a9%9f%e5%88%b6","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/98242\/","title":{"rendered":"Redis \u8d85\u6642\u8a2d\u7f6e\u4e0b\u7684\u91cd\u8a66\u6a5f\u5236"},"content":{"rendered":"<h1 id=\"redis-%e8%b6%85%e6%99%82%e8%a8%ad%e7%bd%ae%e4%b8%8b%e7%9a%84%e9%87%8d%e8%a9%a6%e6%a9%9f%e5%88%b6-IbFVkBufig\">Redis \u8d85\u6642\u8a2d\u7f6e\u4e0b\u7684\u91cd\u8a66\u6a5f\u5236<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u61c9\u7528\u7a0b\u5f0f\u958b\u767c\u4e2d\uff0cRedis \u4f5c\u70ba\u4e00\u500b\u9ad8\u6548\u7684\u9375\u503c\u5b58\u5132\u7cfb\u7d71\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u7de9\u5b58\u3001\u6d88\u606f\u968a\u5217\u548c\u6578\u64da\u6301\u4e45\u5316\u7b49\u5834\u666f\u3002\u96a8\u8457\u7cfb\u7d71\u7684\u8907\u96dc\u6027\u589e\u52a0\uff0c\u5982\u4f55\u6709\u6548\u5730\u8655\u7406 Redis \u7684\u8d85\u6642\u8a2d\u7f6e\u53ca\u5176\u91cd\u8a66\u6a5f\u5236\u6210\u70ba\u4e86\u958b\u767c\u8005\u9700\u8981\u9762\u5c0d\u7684\u91cd\u8981\u8ab2\u984c\u3002<\/p>\n<h2 id=\"redis-%e7%9a%84%e8%b6%85%e6%99%82%e8%a8%ad%e7%bd%ae-IbFVkBufig\">Redis \u7684\u8d85\u6642\u8a2d\u7f6e<\/h2>\n<p>Redis \u63d0\u4f9b\u4e86\u591a\u7a2e\u8d85\u6642\u8a2d\u7f6e\uff0c\u4e3b\u8981\u5305\u62ec\u9375\u7684\u904e\u671f\u6642\u9593\u548c\u9023\u63a5\u7684\u8d85\u6642\u6642\u9593\u3002\u9375\u7684\u904e\u671f\u6642\u9593\u53ef\u4ee5\u901a\u904e <code>EXPIRE<\/code> \u547d\u4ee4\u8a2d\u7f6e\uff0c\u9019\u6a23\u5728\u6307\u5b9a\u7684\u6642\u9593\u5f8c\uff0c\u8a72\u9375\u5c07\u81ea\u52d5\u88ab\u522a\u9664\u3002\u9023\u63a5\u7684\u8d85\u6642\u6642\u9593\u5247\u662f\u6307\u5ba2\u6236\u7aef\u8207 Redis \u670d\u52d9\u5668\u4e4b\u9593\u7684\u9023\u63a5\u5728\u591a\u9577\u6642\u9593\u5167\u672a\u9032\u884c\u4efb\u4f55\u64cd\u4f5c\u5f8c\u6703\u88ab\u81ea\u52d5\u95dc\u9589\u3002<\/p>\n<pre><code>EXPIRE mykey 60  # \u8a2d\u7f6e mykey \u5728 60 \u79d2\u5f8c\u904e\u671f\n<\/code><\/pre>\n<p>\u9019\u4e9b\u8d85\u6642\u8a2d\u7f6e\u96d6\u7136\u80fd\u5920\u6709\u6548\u5730\u7ba1\u7406\u8cc7\u6e90\uff0c\u4f46\u5728\u67d0\u4e9b\u60c5\u6cc1\u4e0b\uff0c\u53ef\u80fd\u6703\u5c0e\u81f4\u61c9\u7528\u7a0b\u5f0f\u51fa\u73fe\u932f\u8aa4\u6216\u6578\u64da\u4e1f\u5931\u3002\u56e0\u6b64\uff0c\u5be6\u65bd\u91cd\u8a66\u6a5f\u5236\u662f\u975e\u5e38\u5fc5\u8981\u7684\u3002<\/p>\n<h2 id=\"%e9%87%8d%e8%a9%a6%e6%a9%9f%e5%88%b6%e7%9a%84%e5%bf%85%e8%a6%81%e6%80%a7-IbFVkBufig\">\u91cd\u8a66\u6a5f\u5236\u7684\u5fc5\u8981\u6027<\/h2>\n<p>\u5728 Redis \u7684\u4f7f\u7528\u904e\u7a0b\u4e2d\uff0c\u7576\u64cd\u4f5c\u56e0\u8d85\u6642\u800c\u5931\u6557\u6642\uff0c\u91cd\u8a66\u6a5f\u5236\u53ef\u4ee5\u5e6b\u52a9\u78ba\u4fdd\u6578\u64da\u7684\u4e00\u81f4\u6027\u548c\u5b8c\u6574\u6027\u3002\u4f8b\u5982\uff0c\u7576\u4e00\u500b\u61c9\u7528\u7a0b\u5f0f\u5617\u8a66\u5f9e Redis \u7372\u53d6\u6578\u64da\u6642\uff0c\u5982\u679c\u56e0\u70ba\u9023\u63a5\u8d85\u6642\u800c\u5931\u6557\uff0c\u5247\u53ef\u4ee5\u901a\u904e\u91cd\u8a66\u4f86\u518d\u6b21\u767c\u9001\u8acb\u6c42\u3002<\/p>\n<h3 id=\"%e5%af%a6%e7%8f%be%e9%87%8d%e8%a9%a6%e6%a9%9f%e5%88%b6%e7%9a%84%e7%ad%96%e7%95%a5-IbFVkBufig\">\u5be6\u73fe\u91cd\u8a66\u6a5f\u5236\u7684\u7b56\u7565<\/h3>\n<p>\u5be6\u73fe\u91cd\u8a66\u6a5f\u5236\u6642\uff0c\u53ef\u4ee5\u8003\u616e\u4ee5\u4e0b\u5e7e\u7a2e\u7b56\u7565\uff1a<\/p>\n<ul>\n<li><strong>\u56fa\u5b9a\u5ef6\u9072\u91cd\u8a66\uff1a<\/strong>\u5728\u6bcf\u6b21\u91cd\u8a66\u4e4b\u9593\u8a2d\u7f6e\u56fa\u5b9a\u7684\u5ef6\u9072\u6642\u9593\u3002<\/li>\n<li><strong>\u6307\u6578\u56de\u9000\u91cd\u8a66\uff1a<\/strong>\u6bcf\u6b21\u91cd\u8a66\u7684\u5ef6\u9072\u6642\u9593\u9010\u6f38\u589e\u52a0\uff0c\u9019\u6a23\u53ef\u4ee5\u6e1b\u5c11\u5c0d Redis \u7684\u58d3\u529b\u3002<\/li>\n<li><strong>\u6700\u5927\u91cd\u8a66\u6b21\u6578\uff1a<\/strong>\u8a2d\u7f6e\u4e00\u500b\u6700\u5927\u91cd\u8a66\u6b21\u6578\uff0c\u4ee5\u907f\u514d\u7121\u9650\u5faa\u74b0\u3002<\/li>\n<\/ul>\n<h3 id=\"%e7%a4%ba%e4%be%8b%e4%bb%a3%e7%a2%bc-IbFVkBufig\">\u793a\u4f8b\u4ee3\u78bc<\/h3>\n<p>\u4ee5\u4e0b\u662f\u4e00\u500b\u4f7f\u7528 Python \u7684\u793a\u4f8b\uff0c\u5c55\u793a\u5982\u4f55\u5be6\u73fe\u91cd\u8a66\u6a5f\u5236\uff1a<\/p>\n<pre><code>import time\nimport redis\n\ndef get_data_with_retry(redis_client, key, retries=3, delay=1):\n    for attempt in range(retries):\n        try:\n            return redis_client.get(key)\n        except redis.exceptions.ConnectionError:\n            if attempt &lt; retries - 1:\n                time.sleep(delay)\n                delay *= 2  # \u6307\u6578\u56de\u9000\n            else:\n                raise\n\n# \u4f7f\u7528\u793a\u4f8b\nr = redis.Redis(host=&#039;localhost&#039;, port=6379, db=0)\ndata = get_data_with_retry(r, &#039;mykey&#039;)\n<\/code><\/pre>\n<p>\u5728\u9019\u500b\u793a\u4f8b\u4e2d\uff0c\u7576 Redis \u9023\u63a5\u51fa\u73fe\u932f\u8aa4\u6642\uff0c\u51fd\u6578\u6703\u9032\u884c\u6700\u591a\u4e09\u6b21\u91cd\u8a66\uff0c\u6bcf\u6b21\u91cd\u8a66\u4e4b\u9593\u7684\u5ef6\u9072\u6642\u9593\u6703\u9010\u6f38\u589e\u52a0\u3002<\/p>\n<h2 id=\"%e7%b5%90%e8%ab%96-IbFVkBufig\">\u7d50\u8ad6<\/h2>\n<p>\u5728\u4f7f\u7528 Redis \u6642\uff0c\u5408\u7406\u7684\u8d85\u6642\u8a2d\u7f6e\u548c\u6709\u6548\u7684\u91cd\u8a66\u6a5f\u5236\u662f\u78ba\u4fdd\u7cfb\u7d71\u7a69\u5b9a\u6027\u548c\u6578\u64da\u5b8c\u6574\u6027\u7684\u95dc\u9375\u3002\u901a\u904e\u8a2d\u7f6e\u9069\u7576\u7684\u8d85\u6642\u53c3\u6578\u548c\u5be6\u65bd\u91cd\u8a66\u7b56\u7565\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u6709\u6548\u5730\u6e1b\u5c11\u56e0\u8d85\u6642\u5c0e\u81f4\u7684\u554f\u984c\uff0c\u63d0\u5347\u61c9\u7528\u7a0b\u5f0f\u7684\u53ef\u9760\u6027\u3002<\/p>\n<p>\u5982\u9700\u4e86\u89e3\u66f4\u591a\u6709\u95dc <a href=\"https:\/\/server.hk\">\u9999\u6e2f VPS<\/a> \u53ca\u5176\u61c9\u7528\u7684\u8cc7\u8a0a\uff0c\u8acb\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e86\u89e3Redis\u8d85\u6642\u8a2d\u7f6e\u4e0b\u7684\u91cd\u8a66\u6a5f\u5236\uff0c\u63d0\u5347\u6578\u64da\u8655\u7406\u6548\u7387\uff0c\u78ba\u4fdd\u7cfb\u7d71\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-98242","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/98242","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=98242"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/98242\/revisions"}],"predecessor-version":[{"id":98243,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/98242\/revisions\/98243"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=98242"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=98242"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=98242"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}