{"id":99104,"date":"2024-10-21T08:10:25","date_gmt":"2024-10-21T00:10:25","guid":{"rendered":"https:\/\/server.hk\/cnblog\/99104\/"},"modified":"2024-10-21T08:10:26","modified_gmt":"2024-10-21T00:10:26","slug":"redis-%e5%a4%9a%e7%b7%9a%e7%a8%8b%e9%81%8e%e6%9c%9f%e6%b8%85%e7%90%86%e5%af%a6%e7%8f%be%e5%84%aa%e5%8c%96","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/99104\/","title":{"rendered":"Redis \u591a\u7dda\u7a0b\u904e\u671f\u6e05\u7406\u5be6\u73fe\u512a\u5316"},"content":{"rendered":"<h1 id=\"redis-%e5%a4%9a%e7%b7%9a%e7%a8%8b%e9%81%8e%e6%9c%9f%e6%b8%85%e7%90%86%e5%af%a6%e7%8f%be%e5%84%aa%e5%8c%96-lPBfGkcynH\">Redis \u591a\u7dda\u7a0b\u904e\u671f\u6e05\u7406\u5be6\u73fe\u512a\u5316<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u6578\u64da\u9a45\u52d5\u4e16\u754c\u4e2d\uff0cRedis \u4f5c\u70ba\u4e00\u500b\u9ad8\u6548\u7684\u9375\u503c\u5b58\u5132\u7cfb\u7d71\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u5404\u7a2e\u5834\u666f\u4e2d\u3002\u96a8\u8457\u6578\u64da\u91cf\u7684\u589e\u9577\uff0c\u5982\u4f55\u6709\u6548\u5730\u7ba1\u7406\u904e\u671f\u9375\u6210\u70ba\u4e86\u6027\u80fd\u512a\u5316\u7684\u4e00\u500b\u91cd\u8981\u8ab2\u984c\u3002\u672c\u6587\u5c07\u63a2\u8a0e Redis \u7684\u591a\u7dda\u7a0b\u904e\u671f\u6e05\u7406\u5be6\u73fe\u53ca\u5176\u512a\u5316\u65b9\u6cd5\u3002<\/p>\n<h2 id=\"redis-%e7%9a%84%e9%81%8e%e6%9c%9f%e9%8d%b5%e7%ae%a1%e7%90%86-lPBfGkcynH\">Redis \u7684\u904e\u671f\u9375\u7ba1\u7406<\/h2>\n<p>Redis \u63d0\u4f9b\u4e86\u5169\u7a2e\u4e3b\u8981\u7684\u904e\u671f\u9375\u7ba1\u7406\u7b56\u7565\uff1a\u4e3b\u52d5\u904e\u671f\u548c\u88ab\u52d5\u904e\u671f\u3002\u4e3b\u52d5\u904e\u671f\u662f\u6307 Redis \u5b9a\u671f\u6aa2\u67e5\u4e26\u522a\u9664\u904e\u671f\u7684\u9375\uff0c\u800c\u88ab\u52d5\u904e\u671f\u5247\u662f\u5728\u8a2a\u554f\u9375\u6642\u6aa2\u67e5\u5176\u662f\u5426\u904e\u671f\u3002\u9019\u5169\u7a2e\u7b56\u7565\u5404\u6709\u512a\u7f3a\u9ede\uff0c\u4f46\u5728\u9ad8\u4e26\u767c\u5834\u666f\u4e0b\uff0c\u4e3b\u52d5\u904e\u671f\u7684\u6548\u7387\u53ef\u80fd\u6703\u53d7\u5230\u5f71\u97ff\u3002<\/p>\n<h2 id=\"%e5%a4%9a%e7%b7%9a%e7%a8%8b%e9%81%8e%e6%9c%9f%e6%b8%85%e7%90%86%e7%9a%84%e5%bf%85%e8%a6%81%e6%80%a7-lPBfGkcynH\">\u591a\u7dda\u7a0b\u904e\u671f\u6e05\u7406\u7684\u5fc5\u8981\u6027<\/h2>\n<p>\u5728\u55ae\u7dda\u7a0b\u7684\u74b0\u5883\u4e2d\uff0cRedis \u7684\u904e\u671f\u6e05\u7406\u53ef\u80fd\u6703\u5c0e\u81f4\u6027\u80fd\u74f6\u9838\uff0c\u7279\u5225\u662f\u5728\u5927\u91cf\u9375\u540c\u6642\u904e\u671f\u7684\u60c5\u6cc1\u4e0b\u3002\u9019\u6642\uff0c\u591a\u7dda\u7a0b\u904e\u671f\u6e05\u7406\u7684\u5be6\u73fe\u53ef\u4ee5\u986f\u8457\u63d0\u9ad8\u6027\u80fd\uff0c\u6e1b\u5c11\u5ef6\u9072\u3002<\/p>\n<h2 id=\"%e5%a4%9a%e7%b7%9a%e7%a8%8b%e9%81%8e%e6%9c%9f%e6%b8%85%e7%90%86%e7%9a%84%e5%af%a6%e7%8f%be-lPBfGkcynH\">\u591a\u7dda\u7a0b\u904e\u671f\u6e05\u7406\u7684\u5be6\u73fe<\/h2>\n<p>Redis 6.0 \u7248\u672c\u5f15\u5165\u4e86\u591a\u7dda\u7a0b\u7684\u652f\u6301\uff0c\u9019\u4f7f\u5f97\u904e\u671f\u9375\u7684\u6e05\u7406\u53ef\u4ee5\u5728\u591a\u500b\u7dda\u7a0b\u4e2d\u4e26\u884c\u9032\u884c\u3002\u4ee5\u4e0b\u662f\u591a\u7dda\u7a0b\u904e\u671f\u6e05\u7406\u7684\u57fa\u672c\u5be6\u73fe\u6b65\u9a5f\uff1a<\/p>\n<ul>\n<li><strong>\u7dda\u7a0b\u6c60\u7684\u5efa\u7acb\uff1a<\/strong>\u4f7f\u7528\u7dda\u7a0b\u6c60\u4f86\u7ba1\u7406\u591a\u500b\u6e05\u7406\u7dda\u7a0b\uff0c\u9019\u6a23\u53ef\u4ee5\u6709\u6548\u5730\u5206\u914d\u8cc7\u6e90\u3002<\/li>\n<li><strong>\u904e\u671f\u9375\u7684\u6aa2\u67e5\uff1a<\/strong>\u6bcf\u500b\u7dda\u7a0b\u8ca0\u8cac\u6aa2\u67e5\u4e00\u90e8\u5206\u9375\u7684\u904e\u671f\u72c0\u614b\uff0c\u4e26\u5c07\u904e\u671f\u7684\u9375\u6a19\u8a18\u70ba\u5f85\u522a\u9664\u3002<\/li>\n<li><strong>\u9375\u7684\u522a\u9664\uff1a<\/strong>\u5728\u6a19\u8a18\u5f8c\uff0c\u7dda\u7a0b\u53ef\u4ee5\u7acb\u5373\u522a\u9664\u904e\u671f\u7684\u9375\uff0c\u6216\u8005\u5728\u5f8c\u53f0\u9032\u884c\u6279\u91cf\u522a\u9664\u3002<\/li>\n<\/ul>\n<h3 id=\"%e7%a4%ba%e4%be%8b%e4%bb%a3%e7%a2%bc-lPBfGkcynH\">\u793a\u4f8b\u4ee3\u78bc<\/h3>\n<pre><code>\nimport threading\nimport time\n\nclass ExpiryCleaner(threading.Thread):\n    def __init__(self, keys):\n        threading.Thread.__init__(self)\n        self.keys = keys\n\n    def run(self):\n        for key in self.keys:\n            if self.is_expired(key):\n                self.delete_key(key)\n\n    def is_expired(self, key):\n        # \u6aa2\u67e5\u9375\u662f\u5426\u904e\u671f\u7684\u908f\u8f2f\n        pass\n\n    def delete_key(self, key):\n        # \u522a\u9664\u9375\u7684\u908f\u8f2f\n        pass\n\n# \u5047\u8a2d\u6709\u4e00\u500b\u9375\u7684\u5217\u8868\nkeys = ['key1', 'key2', 'key3', ...]\nthreads = []\n\n# \u5c07\u9375\u5206\u914d\u7d66\u591a\u500b\u7dda\u7a0b\nfor i in range(4):  # \u5047\u8a2d\u4f7f\u75284\u500b\u7dda\u7a0b\n    cleaner = ExpiryCleaner(keys[i::4])\n    threads.append(cleaner)\n    cleaner.start()\n\nfor t in threads:\n    t.join()\n<\/code><\/pre>\n<h2 id=\"%e5%84%aa%e5%8c%96%e5%bb%ba%e8%ad%b0-lPBfGkcynH\">\u512a\u5316\u5efa\u8b70<\/h2>\n<p>\u5728\u5be6\u73fe\u591a\u7dda\u7a0b\u904e\u671f\u6e05\u7406\u6642\uff0c\u9084\u6709\u4e00\u4e9b\u512a\u5316\u5efa\u8b70\u53ef\u4ee5\u8003\u616e\uff1a<\/p>\n<ul>\n<li><strong>\u52d5\u614b\u8abf\u6574\u7dda\u7a0b\u6578\u91cf\uff1a<\/strong>\u6839\u64da\u7576\u524d\u7cfb\u7d71\u8ca0\u8f09\u52d5\u614b\u8abf\u6574\u7dda\u7a0b\u6578\u91cf\uff0c\u4ee5\u9054\u5230\u6700\u4f73\u6027\u80fd\u3002<\/li>\n<li><strong>\u4f7f\u7528\u512a\u5148\u7d1a\u968a\u5217\uff1a<\/strong>\u5c0d\u904e\u671f\u9375\u9032\u884c\u512a\u5148\u7d1a\u6392\u5e8f\uff0c\u512a\u5148\u8655\u7406\u6700\u65e9\u904e\u671f\u7684\u9375\u3002<\/li>\n<li><strong>\u76e3\u63a7\u8207\u8abf\u6574\uff1a<\/strong>\u5b9a\u671f\u76e3\u63a7\u904e\u671f\u6e05\u7406\u7684\u6027\u80fd\uff0c\u6839\u64da\u5be6\u969b\u60c5\u6cc1\u9032\u884c\u8abf\u6574\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b5%90%e8%ab%96-lPBfGkcynH\">\u7d50\u8ad6<\/h2>\n<p>Redis \u7684\u591a\u7dda\u7a0b\u904e\u671f\u6e05\u7406\u5be6\u73fe\u70ba\u9ad8\u6548\u7684\u6578\u64da\u7ba1\u7406\u63d0\u4f9b\u4e86\u65b0\u7684\u601d\u8def\u3002\u901a\u904e\u5408\u7406\u7684\u7dda\u7a0b\u7ba1\u7406\u548c\u512a\u5316\u7b56\u7565\uff0c\u53ef\u4ee5\u986f\u8457\u63d0\u9ad8\u904e\u671f\u9375\u7684\u6e05\u7406\u6548\u7387\uff0c\u5f9e\u800c\u63d0\u5347\u6574\u9ad4\u7cfb\u7d71\u7684\u6027\u80fd\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u6548\u6578\u64da\u8655\u7406\u7684\u61c9\u7528\u5834\u666f\uff0c\u9019\u4e00\u6280\u8853\u7121\u7591\u662f\u503c\u5f97\u6df1\u5165\u7814\u7a76\u548c\u5be6\u65bd\u7684\u3002<\/p>\n<p>\u5982\u9700\u4e86\u89e3\u66f4\u591a\u95dc\u65bc <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u53ca\u5176\u76f8\u95dc\u6280\u8853\uff0c\u8acb\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22Redis\u591a\u7dda\u7a0b\u904e\u671f\u6e05\u7406\u7684\u5be6\u73fe\u512a\u5316\uff0c\u63d0\u5347\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-99104","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/99104","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=99104"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/99104\/revisions"}],"predecessor-version":[{"id":99105,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/99104\/revisions\/99105"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=99104"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=99104"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=99104"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}