{"id":201,"date":"2024-12-16T22:29:47","date_gmt":"2024-12-16T14:29:47","guid":{"rendered":"https:\/\/codeloveme.com\/?p=201"},"modified":"2024-12-16T22:36:36","modified_gmt":"2024-12-16T14:36:36","slug":"redis-%e5%85%a5%e9%97%a8%e6%8c%87%e5%8d%97","status":"publish","type":"post","link":"https:\/\/codeloveme.com\/index.php\/2024\/12\/16\/redis-%e5%85%a5%e9%97%a8%e6%8c%87%e5%8d%97\/","title":{"rendered":"Redis \u5165\u95e8\u6307\u5357"},"content":{"rendered":"<h1>\u7b80\u4ecb<\/h1>\n<p>Redis \u662f\u4e00\u4e2a\u5f00\u6e90\u7684\u9ad8\u6027\u80fd\u5185\u5b58\u952e\u503c\u5b58\u50a8\u7cfb\u7edf\uff0c\u88ab\u5e7f\u6cdb\u7528\u4e8e\u7f13\u5b58\u3001\u6d88\u606f\u961f\u5217\u3001\u5b9e\u65f6\u5206\u6790\u7b49\u573a\u666f\u3002\u60f3\u8c61\u5b83\u662f\u4e00\u4f4d\u9ad8\u6548\u7684\"\u6570\u636e\u7ba1\u5bb6\"\uff0c\u4e0d\u4ec5\u53ef\u4ee5\u5feb\u901f\u5b58\u50a8\u548c\u8bfb\u53d6\u6570\u636e\uff0c\u8fd8\u652f\u6301\u4e30\u5bcc\u7684\u6570\u636e\u7ed3\u6784\u548c\u591a\u79cd\u9ad8\u7ea7\u529f\u80fd\u3002<\/p>\n<h3>\u4f7f\u7528\u573a\u666f\u5b9e\u4f8b<\/h3>\n<ul>\n<li><strong>\u7f13\u5b58<\/strong>\uff1a\n<ul>\n<li><strong>\u573a\u666f\u8bf4\u660e<\/strong>\uff1a\u901a\u8fc7\u5c06\u9891\u7e41\u8bbf\u95ee\u7684\u6570\u636e\u5b58\u50a8\u5728 Redis \u4e2d\uff0c\u53ef\u4ee5\u5927\u5e45\u63d0\u9ad8\u8bfb\u53d6\u901f\u5ea6\u3002<\/li>\n<li><strong>\u5b9e\u4f8b<\/strong>\uff1a\u4e00\u4e2a\u7535\u5546\u7f51\u7ad9\u53ef\u4ee5\u5c06\u70ed\u95e8\u5546\u54c1\u7684\u8be6\u60c5\u7f13\u5b58\u5230 Redis \u4e2d\uff0c\u4ece\u800c\u51cf\u5c11\u5bf9\u6570\u636e\u5e93\u7684\u538b\u529b\u3002\u4f8b\u5982\uff0c\u5f53\u7528\u6237\u8bbf\u95ee\u67d0\u4ef6\u5546\u54c1\u65f6\uff0c\u5148\u4ece Redis \u4e2d\u8bfb\u53d6\u6570\u636e\uff0c\u5982\u679c\u4e0d\u5b58\u5728\u518d\u67e5\u8be2\u6570\u636e\u5e93\u5e76\u5199\u5165\u7f13\u5b58\u3002<\/li>\n<\/ul>\n<\/li>\n<li><strong>\u6d88\u606f\u961f\u5217<\/strong>\uff1a\n<ul>\n<li><strong>\u573a\u666f\u8bf4\u660e<\/strong>\uff1aRedis \u7684\u53d1\u5e03\/\u8ba2\u9605\u529f\u80fd\u9002\u5408\u6784\u5efa\u8f7b\u91cf\u7ea7\u7684\u6d88\u606f\u961f\u5217\u3002<\/li>\n<li><strong>\u5b9e\u4f8b<\/strong>\uff1a\u5728\u8ba2\u5355\u5904\u7406\u7cfb\u7edf\u4e2d\uff0c\u5f53\u4e00\u4e2a\u7528\u6237\u4e0b\u5355\u65f6\uff0cRedis \u53ef\u4ee5\u7528\u4f5c\u6d88\u606f\u4e2d\u4ecb\uff0c\u53d1\u5e03\"\u65b0\u8ba2\u5355\"\u6d88\u606f\u3002\u8ba2\u9605\u6b64\u6d88\u606f\u7684\u5e93\u5b58\u7cfb\u7edf\u548c\u7269\u6d41\u7cfb\u7edf\u4f1a\u7acb\u5373\u54cd\u5e94\uff0c\u5206\u522b\u66f4\u65b0\u5e93\u5b58\u548c\u751f\u6210\u7269\u6d41\u8ba2\u5355\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h2>Redis vs \u4f20\u7edf\u6570\u636e\u5e93<\/h2>\n<table>\n<thead>\n<tr>\n<th>\u7279\u6027<\/th>\n<th>Redis<\/th>\n<th>\u4f20\u7edf\u6570\u636e\u5e93<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u6570\u636e\u5b58\u50a8\u65b9\u5f0f<\/td>\n<td>\u57fa\u4e8e\u5185\u5b58\u5b58\u50a8\uff0c\u652f\u6301\u6301\u4e45\u5316<\/td>\n<td>\u57fa\u4e8e\u78c1\u76d8\u5b58\u50a8<\/td>\n<\/tr>\n<tr>\n<td>\u6570\u636e\u7ed3\u6784<\/td>\n<td>\u4e30\u5bcc\uff08\u5b57\u7b26\u4e32\u3001\u5217\u8868\u3001\u96c6\u5408\u3001\u54c8\u5e0c\u7b49\uff09<\/td>\n<td>\u901a\u5e38\u4e3a\u8868\u683c\u578b\u7ed3\u6784<\/td>\n<\/tr>\n<tr>\n<td>\u6027\u80fd<\/td>\n<td>\u9ad8\u6027\u80fd\uff0c\u9002\u5408\u9ad8\u5e76\u53d1\u573a\u666f<\/td>\n<td>\u6027\u80fd\u8f83\u4f4e\uff0c\u9002\u5408\u590d\u6742\u67e5\u8be2\u573a\u666f<\/td>\n<\/tr>\n<tr>\n<td>\u6301\u4e45\u5316\u652f\u6301<\/td>\n<td>\u53ef\u9009\u914d\u7f6e\uff0cRDB \u548c AOF \u4e24\u79cd\u65b9\u5f0f<\/td>\n<td>\u9ed8\u8ba4\u652f\u6301\u6301\u4e45\u5316<\/td>\n<\/tr>\n<tr>\n<td>\u4f7f\u7528\u573a\u666f<\/td>\n<td>\u7f13\u5b58\u3001\u6d88\u606f\u961f\u5217\u3001\u5b9e\u65f6\u6570\u636e\u5904\u7406<\/td>\n<td>\u4e8b\u52a1\u7ba1\u7406\u3001\u5173\u7cfb\u578b\u6570\u636e\u67e5\u8be2<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>\u5b89\u88c5<\/h2>\n<h3>\u5b89\u88c5\u524d\u63d0<\/h3>\n<ul>\n<li>\u64cd\u4f5c\u7cfb\u7edf\uff1a\u652f\u6301 Windows\u3001macOS \u6216 Linux<\/li>\n<li>\u7cfb\u7edf\u914d\u7f6e\uff1a\u63a8\u8350 64 \u4f4d\u64cd\u4f5c\u7cfb\u7edf<\/li>\n<li>\u786c\u4ef6\u8981\u6c42\uff1a\u81f3\u5c11 2GB \u5185\u5b58<\/li>\n<\/ul>\n<h3>\u5b89\u88c5\u6b65\u9aa4<\/h3>\n<ol>\n<li>\u8bbf\u95ee\u5b98\u65b9\u7f51\u7ad9 <a class=\"wp-editor-md-post-content-link\" href=\"https:\/\/redis.io\/download\" target=\"_blank\"  rel=\"nofollow\" >Redis \u5b98\u7f51<\/a><\/li>\n<li>\u4e0b\u8f7d\u9002\u5408\u5f53\u524d\u64cd\u4f5c\u7cfb\u7edf\u7684\u7248\u672c<\/li>\n<li>\u89e3\u538b\u5e76\u7f16\u8bd1\u6e90\u7801\n<pre><code class=\"language-bash line-numbers\">tar xzf redis-&lt;version&gt;.tar.gz\ncd redis-&lt;version&gt;\nmake\n<\/code><\/pre>\n<\/li>\n<li>\u542f\u52a8 Redis \u670d\u52a1\n<pre><code class=\"language-bash line-numbers\">src\/redis-server\n<\/code><\/pre>\n<\/li>\n<li>\u9a8c\u8bc1\u5b89\u88c5\n<pre><code class=\"language-bash line-numbers\">src\/redis-cli ping\n# \u8f93\u51fa\uff1aPONG\n<\/code><\/pre>\n<\/li>\n<\/ol>\n<h1>\u5165\u95e8\u7bc7<\/h1>\n<h2>\u57fa\u672c\u6982\u5ff5<\/h2>\n<p>Redis \u63d0\u4f9b\u4e86\u591a\u79cd\u6570\u636e\u7ed3\u6784\u548c\u529f\u80fd\uff0c\u652f\u6301\u591a\u79cd\u7075\u6d3b\u7684\u5e94\u7528\u573a\u666f\u3002<\/p>\n<h3>\u5173\u952e\u7279\u70b9<\/h3>\n<ul>\n<li>\u652f\u6301\u591a\u79cd\u6570\u636e\u7ed3\u6784\uff1a\u5b57\u7b26\u4e32\u3001\u54c8\u5e0c\u3001\u5217\u8868\u3001\u96c6\u5408\u3001\u6709\u5e8f\u96c6\u5408\u7b49<\/li>\n<li>\u9ad8\u6027\u80fd\u8bfb\u5199\uff1a\u6bcf\u79d2\u53ef\u5904\u7406\u6570\u767e\u4e07\u6b21\u64cd\u4f5c<\/li>\n<li>\u6570\u636e\u6301\u4e45\u5316\uff1a\u652f\u6301 RDB \u548c AOF \u4e24\u79cd\u6301\u4e45\u5316\u65b9\u5f0f<\/li>\n<li>\u53d1\u5e03\/\u8ba2\u9605\u529f\u80fd\uff1a\u7528\u4e8e\u6784\u5efa\u6d88\u606f\u961f\u5217<\/li>\n<li>\u4e3b\u4ece\u590d\u5236\u548c\u9ad8\u53ef\u7528\uff1a\u652f\u6301\u96c6\u7fa4\u548c\u54e8\u5175\u6a21\u5f0f<\/li>\n<\/ul>\n<h3>\u6838\u5fc3\u547d\u4ee4<\/h3>\n<table>\n<thead>\n<tr>\n<th>\u547d\u4ee4<\/th>\n<th>\u4f5c\u7528<\/th>\n<th>\u793a\u4f8b<\/th>\n<th>\u5178\u578b\u4f7f\u7528\u573a\u666f<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><code>SET key value<\/code><\/td>\n<td>\u8bbe\u7f6e\u952e\u503c<\/td>\n<td><code>SET name \"Redis\"<\/code><\/td>\n<td>\u7f13\u5b58\u7528\u6237\u4fe1\u606f\u3001\u914d\u7f6e\u53c2\u6570\u3001\u7b80\u5355\u7684\u8ba1\u6570\u5668<\/td>\n<\/tr>\n<tr>\n<td><code>GET key<\/code><\/td>\n<td>\u83b7\u53d6\u952e\u503c<\/td>\n<td><code>GET name<\/code><\/td>\n<td>\u8bfb\u53d6\u7f13\u5b58\u7684\u7528\u6237\u4fe1\u606f\u3001\u914d\u7f6e\u3001\u8ba1\u6570\u5668\u7684\u5f53\u524d\u503c<\/td>\n<\/tr>\n<tr>\n<td><code>DEL key<\/code><\/td>\n<td>\u5220\u9664\u952e<\/td>\n<td><code>DEL name<\/code><\/td>\n<td>\u6e05\u9664\u8fc7\u671f\u7f13\u5b58\u3001\u5220\u9664\u4e0d\u518d\u9700\u8981\u7684\u4e34\u65f6\u6570\u636e<\/td>\n<\/tr>\n<tr>\n<td><code>EXISTS key<\/code><\/td>\n<td>\u68c0\u67e5\u952e\u662f\u5426\u5b58\u5728<\/td>\n<td><code>EXISTS name<\/code><\/td>\n<td>\u5728\u6267\u884c\u64cd\u4f5c\u524d\u9a8c\u8bc1\u6570\u636e\u662f\u5426\u5b58\u5728\uff0c\u907f\u514d\u4e0d\u5fc5\u8981\u7684\u9519\u8bef<\/td>\n<\/tr>\n<tr>\n<td><code>EXPIRE key seconds<\/code><\/td>\n<td>\u8bbe\u7f6e\u952e\u7684\u8fc7\u671f\u65f6\u95f4<\/td>\n<td><code>EXPIRE name 60<\/code><\/td>\n<td>\u5b9e\u73b0\u7f13\u5b58\u81ea\u52a8\u8fc7\u671f\u3001\u63a7\u5236\u4e34\u65f6\u6570\u636e\u7684\u751f\u547d\u5468\u671f<\/td>\n<\/tr>\n<tr>\n<td><code>TTL key<\/code><\/td>\n<td>\u67e5\u770b\u952e\u7684\u5269\u4f59\u751f\u5b58\u65f6\u95f4<\/td>\n<td><code>TTL name<\/code><\/td>\n<td>\u76d1\u63a7\u7f13\u5b58\u5269\u4f59\u65f6\u95f4\uff0c\u7528\u4e8e\u7f13\u5b58\u7ba1\u7406\u548c\u7eed\u671f<\/td>\n<\/tr>\n<tr>\n<td><code>KEYS pattern<\/code><\/td>\n<td>\u67e5\u627e\u7b26\u5408\u6a21\u5f0f\u7684\u6240\u6709\u952e<\/td>\n<td><code>KEYS user:*<\/code><\/td>\n<td>\u6279\u91cf\u67e5\u627e\u548c\u7ba1\u7406\u76f8\u5173\u8054\u7684\u952e\uff0c\u5982\u67e5\u627e\u67d0\u4e2a\u7528\u6237\u7684\u6240\u6709\u6570\u636e<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>\u6570\u636e\u7ed3\u6784<\/h2>\n<h3>\u5b57\u7b26\u4e32\uff08String\uff09<\/h3>\n<table>\n<thead>\n<tr>\n<th>\u64cd\u4f5c<\/th>\n<th>\u547d\u4ee4<\/th>\n<th>\u793a\u4f8b<\/th>\n<th>\u5178\u578b\u4f7f\u7528\u573a\u666f<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u8bbe\u7f6e\u503c<\/td>\n<td><code>SET key value<\/code><\/td>\n<td><code>SET counter 100<\/code><\/td>\n<td>\u5b58\u50a8\u8ba1\u6570\u5668\u3001\u914d\u7f6e\u53c2\u6570\u3001\u7b80\u77ed\u7684\u4e2a\u4eba\u4fe1\u606f<\/td>\n<\/tr>\n<tr>\n<td>\u83b7\u53d6\u503c<\/td>\n<td><code>GET key<\/code><\/td>\n<td><code>GET counter<\/code><\/td>\n<td>\u8bfb\u53d6\u8ba1\u6570\u3001\u914d\u7f6e\u3001\u7f13\u5b58\u7684\u7b80\u5355\u6570\u636e<\/td>\n<\/tr>\n<tr>\n<td>\u81ea\u589e<\/td>\n<td><code>INCR key<\/code><\/td>\n<td><code>INCR counter<\/code><\/td>\n<td>\u7f51\u7ad9\u8bbf\u95ee\u91cf\u7edf\u8ba1\u3001\u7528\u6237\u79ef\u5206\u7cfb\u7edf\u3001\u5206\u5e03\u5f0fID\u751f\u6210<\/td>\n<\/tr>\n<tr>\n<td>\u81ea\u51cf<\/td>\n<td><code>DECR key<\/code><\/td>\n<td><code>DECR counter<\/code><\/td>\n<td>\u5e93\u5b58\u7ba1\u7406\u3001\u4fe1\u7528\u989d\u5ea6\u63a7\u5236<\/td>\n<\/tr>\n<tr>\n<td>\u8ffd\u52a0\u503c<\/td>\n<td><code>APPEND key value<\/code><\/td>\n<td><code>APPEND counter \"50\"<\/code><\/td>\n<td>\u65e5\u5fd7\u8bb0\u5f55\u3001\u5b57\u7b26\u4e32\u62fc\u63a5\u3001\u589e\u91cf\u66f4\u65b0<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>\u54c8\u5e0c\uff08Hash\uff09<\/h3>\n<table>\n<thead>\n<tr>\n<th>\u64cd\u4f5c<\/th>\n<th>\u547d\u4ee4<\/th>\n<th>\u793a\u4f8b<\/th>\n<th>\u5178\u578b\u4f7f\u7528\u573a\u666f<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u8bbe\u7f6e\u5b57\u6bb5<\/td>\n<td><code>HSET key field value<\/code><\/td>\n<td><code>HSET user name \"Alice\"<\/code><\/td>\n<td>\u5b58\u50a8\u7528\u6237\u8be6\u7ec6\u4fe1\u606f\u3001\u4ea7\u54c1\u5c5e\u6027\u3001\u914d\u7f6e\u5bf9\u8c61<\/td>\n<\/tr>\n<tr>\n<td>\u83b7\u53d6\u5b57\u6bb5<\/td>\n<td><code>HGET key field<\/code><\/td>\n<td><code>HGET user name<\/code><\/td>\n<td>\u5feb\u901f\u83b7\u53d6\u5bf9\u8c61\u7684\u7279\u5b9a\u5c5e\u6027\uff0c\u5982\u7528\u6237\u540d\u3001\u5e74\u9f84<\/td>\n<\/tr>\n<tr>\n<td>\u83b7\u53d6\u6240\u6709<\/td>\n<td><code>HGETALL key<\/code><\/td>\n<td><code>HGETALL user<\/code><\/td>\n<td>\u83b7\u53d6\u5b8c\u6574\u7684\u7528\u6237\u4fe1\u606f\u3001\u4ea7\u54c1\u8be6\u60c5<\/td>\n<\/tr>\n<tr>\n<td>\u5220\u9664\u5b57\u6bb5<\/td>\n<td><code>HDEL key field<\/code><\/td>\n<td><code>HDEL user age<\/code><\/td>\n<td>\u5220\u9664\u5bf9\u8c61\u7684\u7279\u5b9a\u5c5e\u6027\uff0c\u5982\u66f4\u65b0\u7528\u6237\u4fe1\u606f<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>\u5217\u8868\uff08List\uff09<\/h3>\n<table>\n<thead>\n<tr>\n<th>\u64cd\u4f5c<\/th>\n<th>\u547d\u4ee4<\/th>\n<th>\u793a\u4f8b<\/th>\n<th>\u5178\u578b\u4f7f\u7528\u573a\u666f<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u5de6\u4fa7\u63d2\u5165<\/td>\n<td><code>LPUSH key value<\/code><\/td>\n<td><code>LPUSH tasks \"task1\"<\/code><\/td>\n<td>\u6d88\u606f\u961f\u5217\u3001\u4efb\u52a1\u8c03\u5ea6\u3001\u6700\u65b0\u6d88\u606f\u5217\u8868<\/td>\n<\/tr>\n<tr>\n<td>\u53f3\u4fa7\u63d2\u5165<\/td>\n<td><code>RPUSH key value<\/code><\/td>\n<td><code>RPUSH tasks \"task2\"<\/code><\/td>\n<td>\u65e5\u5fd7\u8bb0\u5f55\u3001\u8bc4\u8bba\u5217\u8868\u3001\u5148\u8fdb\u5148\u51fa\u961f\u5217<\/td>\n<\/tr>\n<tr>\n<td>\u5f39\u51fa\u5de6\u4fa7<\/td>\n<td><code>LPOP key<\/code><\/td>\n<td><code>LPOP tasks<\/code><\/td>\n<td>\u5904\u7406\u4efb\u52a1\u961f\u5217\u3001\u6d88\u606f\u5904\u7406<\/td>\n<\/tr>\n<tr>\n<td>\u83b7\u53d6\u8303\u56f4<\/td>\n<td><code>LRANGE key start stop<\/code><\/td>\n<td><code>LRANGE tasks 0 -1<\/code><\/td>\n<td>\u663e\u793a\u6700\u8fd1\u7684\u6d88\u606f\u3001\u4efb\u52a1\u5217\u8868\u3001\u5206\u9875\u5c55\u793a<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>\u96c6\u5408\uff08Set\uff09<\/h3>\n<table>\n<thead>\n<tr>\n<th>\u64cd\u4f5c<\/th>\n<th>\u547d\u4ee4<\/th>\n<th>\u793a\u4f8b<\/th>\n<th>\u5178\u578b\u4f7f\u7528\u573a\u666f<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u6dfb\u52a0\u5143\u7d20<\/td>\n<td><code>SADD key value<\/code><\/td>\n<td><code>SADD tags \"python\"<\/code><\/td>\n<td>\u6807\u7b7e\u7cfb\u7edf\u3001\u53bb\u91cd\u3001\u5173\u6ce8\u5217\u8868<\/td>\n<\/tr>\n<tr>\n<td>\u5220\u9664\u5143\u7d20<\/td>\n<td><code>SREM key value<\/code><\/td>\n<td><code>SREM tags \"python\"<\/code><\/td>\n<td>\u7ba1\u7406\u6807\u7b7e\u3001\u79fb\u9664\u5173\u6ce8<\/td>\n<\/tr>\n<tr>\n<td>\u83b7\u53d6\u6240\u6709<\/td>\n<td><code>SMEMBERS key<\/code><\/td>\n<td><code>SMEMBERS tags<\/code><\/td>\n<td>\u67e5\u770b\u6240\u6709\u6807\u7b7e\u3001\u5173\u6ce8\u7684\u5185\u5bb9<\/td>\n<\/tr>\n<tr>\n<td>\u6c42\u4ea4\u96c6<\/td>\n<td><code>SINTER key1 key2<\/code><\/td>\n<td><code>SINTER set1 set2<\/code><\/td>\n<td>\u5171\u540c\u597d\u53cb\u3001\u5171\u540c\u5174\u8da3\u3001\u63a8\u8350\u7cfb\u7edf<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>\u6709\u5e8f\u96c6\u5408\uff08Sorted Set\uff09<\/h3>\n<table>\n<thead>\n<tr>\n<th>\u64cd\u4f5c<\/th>\n<th>\u547d\u4ee4<\/th>\n<th>\u793a\u4f8b<\/th>\n<th>\u5178\u578b\u4f7f\u7528\u573a\u666f<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u6dfb\u52a0\u5143\u7d20<\/td>\n<td><code>ZADD key score value<\/code><\/td>\n<td><code>ZADD leaderboard 100 \"Alice\"<\/code><\/td>\n<td>\u6392\u884c\u699c\u3001\u6e38\u620f\u79ef\u5206\u3001\u6027\u80fd\u8bc4\u7ea7<\/td>\n<\/tr>\n<tr>\n<td>\u83b7\u53d6\u8303\u56f4<\/td>\n<td><code>ZRANGE key start stop<\/code><\/td>\n<td><code>ZRANGE leaderboard 0 -1<\/code><\/td>\n<td>\u663e\u793a\u6392\u540d\u524d\u5217\u7684\u7528\u6237\u3001\u83b7\u53d6topN<\/td>\n<\/tr>\n<tr>\n<td>\u5220\u9664\u5143\u7d20<\/td>\n<td><code>ZREM key value<\/code><\/td>\n<td><code>ZREM leaderboard \"Alice\"<\/code><\/td>\n<td>\u79fb\u9664\u6392\u884c\u699c\u4e2d\u7684\u7279\u5b9a\u7528\u6237<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>Redis \u6570\u636e\u7ed3\u6784\u9009\u62e9\u6307\u5357<\/h2>\n<table>\n<thead>\n<tr>\n<th>\u6570\u636e\u7ed3\u6784<\/th>\n<th>\u4f18\u52bf<\/th>\n<th>\u52a3\u52bf<\/th>\n<th>\u9002\u7528\u573a\u666f<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u5b57\u7b26\u4e32\uff08String\uff09<\/td>\n<td>\u7b80\u5355\u76f4\u63a5<br \/> \u5b58\u50a8\u6548\u7387\u9ad8<br \/> \u652f\u6301\u539f\u5b50\u64cd\u4f5c<br \/> \u53ef\u5b58\u50a8\u5404\u79cd\u7c7b\u578b<\/td>\n<td>\u4e0d\u9002\u5408\u590d\u6742\u6570\u636e\u7ed3\u6784<br \/> \u5355\u4e2a\u503c\u5927\u5c0f\u6709\u9650\u5236<\/td>\n<td>\u7f13\u5b58\u7b80\u5355\u6570\u636e<br \/> \u8ba1\u6570\u5668<br \/> \u5b58\u50a8\u914d\u7f6e\u4fe1\u606f<br \/> \u5206\u5e03\u5f0f\u9501<\/td>\n<\/tr>\n<tr>\n<td>\u54c8\u5e0c\uff08Hash\uff09<\/td>\n<td>\u53ef\u5b58\u50a8\u5bf9\u8c61<br \/> \u5185\u5b58\u6548\u7387\u9ad8<br \/> \u5b57\u6bb5\u7ea7\u64cd\u4f5c<br \/> \u652f\u6301\u5d4c\u5957\u7ed3\u6784<\/td>\n<td>\u4e0d\u9002\u5408\u5927\u91cf\u5b57\u6bb5<br \/> \u590d\u6742\u67e5\u8be2\u53d7\u9650<\/td>\n<td>\u7528\u6237\u4fe1\u606f\u5b58\u50a8<br \/> \u4ea7\u54c1\u8be6\u60c5<br \/> \u914d\u7f6e\u5bf9\u8c61<br \/> \u7ed3\u6784\u5316\u6570\u636e<\/td>\n<\/tr>\n<tr>\n<td>\u5217\u8868\uff08List\uff09<\/td>\n<td>\u6709\u5e8f<br \/>  \u4e24\u7aef\u64cd\u4f5c\u9ad8\u6548<br \/> \u652f\u6301\u963b\u585e\u64cd\u4f5c<br \/> \u56fa\u5b9a\u957f\u5ea6\u5217\u8868<\/td>\n<td>\u968f\u673a\u8bbf\u95ee\u6548\u7387\u4f4e<br \/> \u5927\u5217\u8868\u6027\u80fd\u4e0b\u964d<\/td>\n<td>\u6d88\u606f\u961f\u5217<br \/> \u4efb\u52a1\u8c03\u5ea6<br \/> \u65e5\u5fd7\u8bb0\u5f55<br \/> \u65f6\u95f4\u7ebf<\/td>\n<\/tr>\n<tr>\n<td>\u96c6\u5408\uff08Set\uff09<\/td>\n<td>\u552f\u4e00\u6027<br \/> \u5feb\u901f\u53bb\u91cd<br \/> \u96c6\u5408\u8fd0\u7b97<br \/> \u968f\u673a\u83b7\u53d6<\/td>\n<td>\u4e0d\u4fdd\u5b58\u987a\u5e8f<br \/> \u5927\u96c6\u5408\u6027\u80fd\u4e0b\u964d<\/td>\n<td>\u6807\u7b7e\u7cfb\u7edf<br \/> \u53bb\u91cd<br \/> \u5171\u540c\u597d\u53cb<br \/> \u5174\u8da3\u63a8\u8350<\/td>\n<\/tr>\n<tr>\n<td>\u6709\u5e8f\u96c6\u5408\uff08Sorted Set\uff09<\/td>\n<td>\u6309\u5206\u6570\u6392\u5e8f<br \/> \u9ad8\u6548\u8303\u56f4\u67e5\u8be2<br \/> \u652f\u6301\u590d\u6742\u6392\u5e8f<br \/> \u5143\u7d20\u552f\u4e00<\/td>\n<td>\u5185\u5b58\u6d88\u8017\u8f83\u9ad8<br \/> \u7ef4\u62a4\u6210\u672c\u9ad8<\/td>\n<td>\u6392\u884c\u699c<br \/> \u6e38\u620f\u79ef\u5206<br \/> \u5b9e\u65f6\u6392\u540d<br \/> \u8bc4\u5206\u7cfb\u7edf<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>\u9009\u62e9\u5efa\u8bae<\/h3>\n<ol>\n<li><strong>\u7b80\u5355\u5b58\u50a8<\/strong>\uff1a\u4f18\u5148\u4f7f\u7528 String<\/li>\n<li><strong>\u590d\u6742\u5bf9\u8c61<\/strong>\uff1a\u4f7f\u7528 Hash<\/li>\n<li><strong>\u961f\u5217\u573a\u666f<\/strong>\uff1a\u9009\u62e9 List<\/li>\n<li><strong>\u53bb\u91cd\u9700\u6c42<\/strong>\uff1a\u4f7f\u7528 Set<\/li>\n<li><strong>\u9700\u8981\u6392\u5e8f<\/strong>\uff1a\u91c7\u7528 Sorted Set<\/li>\n<\/ol>\n<h3>\u6027\u80fd\u4e0e\u5185\u5b58\u5efa\u8bae<\/h3>\n<ul>\n<li>\u5c3d\u91cf\u51cf\u5c11\u5927\u6570\u636e\u7ed3\u6784<\/li>\n<li>\u5408\u7406\u8bbe\u7f6e\u8fc7\u671f\u65f6\u95f4<\/li>\n<li>\u6839\u636e\u5177\u4f53\u4e1a\u52a1\u9009\u62e9\u6700\u9002\u5408\u7684\u6570\u636e\u7ed3\u6784<\/li>\n<li>\u8003\u8651\u6570\u636e\u91cf\u548c\u8bbf\u95ee\u6a21\u5f0f<\/li>\n<\/ul>\n<h1>\u8fdb\u9636\u7bc7<\/h1>\n<h2>\u4e8b\u52a1\uff08Transactions\uff09<\/h2>\n<h3>\u57fa\u672c\u6982\u5ff5<\/h3>\n<p>Redis\u4e8b\u52a1\u5141\u8bb8\u4e00\u6b21\u6027\u6267\u884c\u591a\u4e2a\u547d\u4ee4\uff0c\u5e76\u4e14\u4fdd\u8bc1\uff1a<\/p>\n<ul>\n<li>\u547d\u4ee4\u6309\u987a\u5e8f\u6267\u884c<\/li>\n<li>\u4e0d\u4f1a\u88ab\u5176\u4ed6\u5ba2\u6237\u7aef\u547d\u4ee4\u6253\u65ad<\/li>\n<li>\u8981\u4e48\u5168\u90e8\u6267\u884c\uff0c\u8981\u4e48\u5168\u90e8\u4e0d\u6267\u884c<\/li>\n<\/ul>\n<h3>\u5173\u952e\u547d\u4ee4<\/h3>\n<table>\n<thead>\n<tr>\n<th>\u547d\u4ee4<\/th>\n<th>\u4f5c\u7528<\/th>\n<th>\u793a\u4f8b<\/th>\n<th>\u5178\u578b\u4f7f\u7528\u573a\u666f<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><code>MULTI<\/code><\/td>\n<td>\u5f00\u542f\u4e8b\u52a1<\/td>\n<td><code>MULTI<\/code><\/td>\n<td>\u6807\u8bb0\u4e8b\u52a1\u5f00\u59cb\uff0c\u51c6\u5907\u6267\u884c\u4e00\u7cfb\u5217\u547d\u4ee4<\/td>\n<\/tr>\n<tr>\n<td><code>EXEC<\/code><\/td>\n<td>\u6267\u884c\u4e8b\u52a1<\/td>\n<td><code>EXEC<\/code><\/td>\n<td>\u63d0\u4ea4\u5e76\u6267\u884cMULTI\u540e\u7684\u6240\u6709\u547d\u4ee4<\/td>\n<\/tr>\n<tr>\n<td><code>DISCARD<\/code><\/td>\n<td>\u53d6\u6d88\u4e8b\u52a1<\/td>\n<td><code>DISCARD<\/code><\/td>\n<td>\u653e\u5f03\u4e8b\u52a1\u4e2d\u7684\u6240\u6709\u547d\u4ee4<\/td>\n<\/tr>\n<tr>\n<td><code>WATCH key<\/code><\/td>\n<td>\u76d1\u63a7\u952e<\/td>\n<td><code>WATCH balance<\/code><\/td>\n<td>\u4e50\u89c2\u9501\uff0c\u68c0\u6d4b\u952e\u662f\u5426\u88ab\u4fee\u6539<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>\u4e8b\u52a1\u793a\u4f8b<\/h3>\n<pre><code class=\"line-numbers\">MULTI\nSET account:1 1000\nSET account:2 500\nEXEC\n<\/code><\/pre>\n<h3>\u4e8b\u52a1\u7279\u70b9<\/h3>\n<ul>\n<li><strong>\u539f\u5b50\u6027<\/strong>\uff1a\u8981\u4e48\u5168\u90e8\u6210\u529f\uff0c\u8981\u4e48\u5168\u90e8\u5931\u8d25<\/li>\n<li><strong>\u4e32\u884c\u5316<\/strong>\uff1a\u4e8b\u52a1\u671f\u95f4\u5176\u4ed6\u5ba2\u6237\u7aef\u4e0d\u80fd\u4fee\u6539\u6570\u636e<\/li>\n<li><strong>\u7b80\u5355\u6027<\/strong>\uff1a\u4e0d\u652f\u6301\u56de\u6eda\uff0c\u51fa\u9519\u5219\u6574\u4e2a\u4e8b\u52a1\u5931\u8d25<\/li>\n<\/ul>\n<h2>\u5206\u5e03\u5f0f\u9501<\/h2>\n<h3>\u5b9e\u73b0\u539f\u7406<\/h3>\n<p>Redis\u5b9e\u73b0\u5206\u5e03\u5f0f\u9501\u7684\u5173\u952e\u5728\u4e8e\uff1a<\/p>\n<ul>\n<li>\u4f7f\u7528<code>SETNX<\/code>\u547d\u4ee4<\/li>\n<li>\u8bbe\u7f6e\u8d85\u65f6\u65f6\u95f4<\/li>\n<li>\u786e\u4fdd\u9501\u7684\u5b89\u5168\u91ca\u653e<\/li>\n<\/ul>\n<h3>\u52a0\u9501\u4e0e\u91ca\u653e<\/h3>\n<table>\n<thead>\n<tr>\n<th>\u64cd\u4f5c<\/th>\n<th>\u547d\u4ee4<\/th>\n<th>\u793a\u4f8b<\/th>\n<th>\u8bf4\u660e<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u52a0\u9501<\/td>\n<td><code>SETNX key value<\/code><\/td>\n<td><code>SETNX lock:order:1 1<\/code><\/td>\n<td>\u4ec5\u5f53\u952e\u4e0d\u5b58\u5728\u65f6\u8bbe\u7f6e\u6210\u529f<\/td>\n<\/tr>\n<tr>\n<td>\u8bbe\u7f6e\u8fc7\u671f\u65f6\u95f4<\/td>\n<td><code>EXPIRE key seconds<\/code><\/td>\n<td><code>EXPIRE lock:order:1 10<\/code><\/td>\n<td>\u9632\u6b62\u6b7b\u9501<\/td>\n<\/tr>\n<tr>\n<td>\u91ca\u653e\u9501<\/td>\n<td><code>DEL key<\/code><\/td>\n<td><code>DEL lock:order:1<\/code><\/td>\n<td>\u91ca\u653e\u8d44\u6e90<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>\u6700\u4f73\u5b9e\u8df5<\/h3>\n<pre><code class=\"language-python line-numbers\"># \u5c1d\u8bd5\u83b7\u53d6\u9501\ndef acquire_lock(conn, lockname, acquire_timeout=10, lock_timeout=10):\n    identifier = str(uuid.uuid4())\n    end = time.time() + acquire_timeout\n    while time.time() &lt; end:\n        if conn.setnx(lockname, identifier):\n            conn.expire(lockname, lock_timeout)\n            return identifier\n        time.sleep(0.1)\n    return False\n\n# \u91ca\u653e\u9501\ndef release_lock(conn, lockname, identifier):\n    pipe = conn.pipeline(True)\n    try:\n        pipe.watch(lockname)\n        if pipe.get(lockname) == identifier:\n            pipe.multi()\n            pipe.delete(lockname)\n            pipe.execute()\n            return True\n    except redis.exceptions.WatchError:\n        pass\n    return False\n<\/code><\/pre>\n<h3>\u6ce8\u610f\u4e8b\u9879<\/h3>\n<ul>\n<li>\u907f\u514d\u957f\u65f6\u95f4\u6301\u6709\u9501<\/li>\n<li>\u4f7f\u7528<code>lua<\/code>\u811a\u672c\u4fdd\u8bc1\u539f\u5b50\u6027<\/li>\n<li>\u8003\u8651\u9501\u7684\u7c92\u5ea6\u548c\u8d85\u65f6\u65f6\u95f4<\/li>\n<\/ul>\n<h2>\u53d1\u5e03\/\u8ba2\u9605\uff08Pub\/Sub\uff09<\/h2>\n<h3>\u5de5\u4f5c\u6a21\u5f0f<\/h3>\n<ul>\n<li><strong>\u53d1\u5e03\u8005<\/strong>\uff1a\u5411\u7279\u5b9a\u9891\u9053\u53d1\u9001\u6d88\u606f<\/li>\n<li><strong>\u8ba2\u9605\u8005<\/strong>\uff1a\u76d1\u542c\u5e76\u63a5\u6536\u6d88\u606f<\/li>\n<li><strong>\u89e3\u8026<\/strong>\uff1a\u53d1\u5e03\u8005\u548c\u8ba2\u9605\u8005\u4e92\u4e0d\u611f\u77e5<\/li>\n<\/ul>\n<h3>\u6838\u5fc3\u547d\u4ee4<\/h3>\n<table>\n<thead>\n<tr>\n<th>\u547d\u4ee4<\/th>\n<th>\u4f5c\u7528<\/th>\n<th>\u793a\u4f8b<\/th>\n<th>\u8bf4\u660e<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><code>SUBSCRIBE<\/code><\/td>\n<td>\u8ba2\u9605\u9891\u9053<\/td>\n<td><code>SUBSCRIBE chat<\/code><\/td>\n<td>\u76d1\u542c\u5355\u4e2a\u9891\u9053<\/td>\n<\/tr>\n<tr>\n<td><code>PUBLISH<\/code><\/td>\n<td>\u53d1\u5e03\u6d88\u606f<\/td>\n<td><code>PUBLISH chat \"Hello\"<\/code><\/td>\n<td>\u5411\u9891\u9053\u53d1\u9001\u6d88\u606f<\/td>\n<\/tr>\n<tr>\n<td><code>PSUBSCRIBE<\/code><\/td>\n<td>\u6a21\u5f0f\u8ba2\u9605<\/td>\n<td><code>PSUBSCRIBE chat:*<\/code><\/td>\n<td>\u8ba2\u9605\u5339\u914d\u6a21\u5f0f\u7684\u9891\u9053<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>\u5178\u578b\u573a\u666f<\/h3>\n<ul>\n<li>\u5b9e\u65f6\u804a\u5929\u7cfb\u7edf<\/li>\n<li>\u65e5\u5fd7\u6536\u96c6<\/li>\n<li>\u6d88\u606f\u901a\u77e5<\/li>\n<li>\u5206\u5e03\u5f0f\u4e8b\u4ef6\u901a\u77e5<\/li>\n<\/ul>\n<h3>\u4ee3\u7801\u793a\u4f8b<\/h3>\n<pre><code class=\"language-python line-numbers\"># \u8ba2\u9605\u8005\ndef message_listener():\n    r = redis.Redis()\n    p = r.pubsub()\n    p.subscribe('notifications')\n\n    for message in p.listen():\n        if message['type'] == 'message':\n            print(f\"\u6536\u5230\u6d88\u606f\uff1a{message['data']}\")\n\n# \u53d1\u5e03\u8005\ndef send_notification(message):\n    r = redis.Redis()\n    r.publish('notifications', message)\n<\/code><\/pre>\n<h2>\u6301\u4e45\u5316\uff08Persistence\uff09<\/h2>\n<h3>RDB\u6a21\u5f0f<\/h3>\n<h4>\u7279\u70b9<\/h4>\n<ul>\n<li>\u5b9a\u671f\u5feb\u7167<\/li>\n<li>\u6062\u590d\u901f\u5ea6\u5feb<\/li>\n<li>\u6570\u636e\u4e22\u5931\u98ce\u9669\u8f83\u9ad8<\/li>\n<\/ul>\n<h4>\u914d\u7f6e\u53c2\u6570<\/h4>\n<pre><code class=\"line-numbers\"># redis.conf\nsave 900 1      # 900\u79d2\u5185\u81f3\u5c111\u4e2akey\u53d8\u5316\nsave 300 10     # 300\u79d2\u5185\u81f3\u5c1110\u4e2akey\u53d8\u5316\nsave 60 10000   # 60\u79d2\u5185\u81f3\u5c1110000\u4e2akey\u53d8\u5316\n<\/code><\/pre>\n<h3>AOF\u6a21\u5f0f<\/h3>\n<h4>\u7279\u70b9<\/h4>\n<ul>\n<li>\u5b9e\u65f6\u65e5\u5fd7\u8bb0\u5f55<\/li>\n<li>\u6570\u636e\u4e22\u5931\u98ce\u9669\u4f4e<\/li>\n<li>\u6587\u4ef6\u8f83\u5927\uff0c\u6062\u590d\u8f83\u6162<\/li>\n<\/ul>\n<h4>\u914d\u7f6e\u53c2\u6570<\/h4>\n<pre><code class=\"line-numbers\"># redis.conf\nappendonly yes\nappendfsync everysec  # \u6bcf\u79d2\u540c\u6b65\u4e00\u6b21\n<\/code><\/pre>\n<h3>\u6df7\u5408\u6301\u4e45\u5316<\/h3>\n<ul>\n<li>\u7ed3\u5408RDB\u548cAOF\u4f18\u70b9<\/li>\n<li>\u51cf\u5c11\u91cd\u5199\u65f6\u95f4<\/li>\n<li>\u63d0\u9ad8\u6570\u636e\u5b89\u5168\u6027<\/li>\n<\/ul>\n<h2>\u6027\u80fd\u4f18\u5316\u5efa\u8bae<\/h2>\n<ol>\n<li>\u9009\u62e9\u5408\u9002\u7684\u6301\u4e45\u5316\u7b56\u7565<\/li>\n<li>\u5408\u7406\u914d\u7f6e\u5feb\u7167\u548c\u65e5\u5fd7<\/li>\n<li>\u5b9a\u671f\u5907\u4efd<\/li>\n<li>\u76d1\u63a7\u5185\u5b58\u4f7f\u7528<\/li>\n<li>\u4f7f\u7528pipeline\u6279\u91cf\u64cd\u4f5c<\/li>\n<li>\u907f\u514d\u4f7f\u7528\u9ad8\u590d\u6742\u5ea6\u547d\u4ee4<\/li>\n<\/ol>\n<h1>\u9ad8\u7ea7\u7bc7<\/h1>\n<h2>\u7f13\u5b58\u95ee\u9898\u4e0e\u89e3\u51b3\u65b9\u6848<\/h2>\n<h3>\u7f13\u5b58\u7a7f\u900f\uff08Cache Penetration\uff09<\/h3>\n<h4>\u95ee\u9898\u63cf\u8ff0<\/h4>\n<ul>\n<li>\u5927\u91cf\u8bf7\u6c42\u67e5\u8be2\u4e0d\u5b58\u5728\u7684Key<\/li>\n<li>\u6bcf\u6b21\u8bf7\u6c42\u90fd\u7a7f\u900f\u7f13\u5b58\uff0c\u76f4\u63a5\u8bbf\u95ee\u6570\u636e\u5e93<\/li>\n<li>\u53ef\u80fd\u5bfc\u81f4\u6570\u636e\u5e93\u8d1f\u8f7d\u8fc7\u9ad8\uff0c\u751a\u81f3\u5b95\u673a<\/li>\n<\/ul>\n<h4>\u89e3\u51b3\u65b9\u6848<\/h4>\n<ol>\n<li><strong>\u5e03\u9686\u8fc7\u6ee4\u5668<\/strong>\n<ul>\n<li>\u5feb\u901f\u5224\u65ad\u6570\u636e\u662f\u5426\u5b58\u5728<\/li>\n<li>\u6781\u4f4e\u7684\u8bef\u5224\u7387<\/li>\n<li>\u5185\u5b58\u5360\u7528\u5c0f<\/li>\n<\/ul>\n<pre><code class=\"language-python line-numbers\">from pybloom_live import BloomFilter\n\n# \u521b\u5efa\u5e03\u9686\u8fc7\u6ee4\u5668\nbloom = BloomFilter(capacity=100000, error_rate=0.1)\n\n# \u6dfb\u52a0\u6570\u636e\nbloom.add(\"user:1000\")\n\n# \u68c0\u67e5\u6570\u636e\u662f\u5426\u5b58\u5728\nprint(\"user:1000\" in bloom)  # True\nprint(\"user:9999\" in bloom)  # False\n<\/code><\/pre>\n<\/li>\n<li><strong>\u7a7a\u503c\u7f13\u5b58<\/strong>\n<ul>\n<li>\u5bf9\u4e0d\u5b58\u5728\u7684Key\u7f13\u5b58null\u503c<\/li>\n<li>\u8bbe\u7f6e\u8f83\u77ed\u7684\u8fc7\u671f\u65f6\u95f4<\/li>\n<\/ul>\n<pre><code class=\"language-python line-numbers\">def get_user(user_id):\n    # \u5148\u68c0\u67e5\u7f13\u5b58\n    user = redis.get(f\"user:{user_id}\")\n\n    if user is None:\n        # \u67e5\u8be2\u6570\u636e\u5e93\n        user = db.query_user(user_id)\n\n        if user:\n            # \u7f13\u5b58\u7528\u6237\u6570\u636e\n            redis.setex(f\"user:{user_id}\", 300, user)\n        else:\n            # \u7f13\u5b58\u7a7a\u503c\uff0c\u8fc7\u671f\u65f6\u95f4\u77ed\n            redis.setex(f\"user:{user_id}\", 60, \"null\")\n\n    return user if user != \"null\" else None\n<\/code><\/pre>\n<\/li>\n<\/ol>\n<h3>\u7f13\u5b58\u96ea\u5d29\uff08Cache Breakdown\uff09<\/h3>\n<h4>\u95ee\u9898\u63cf\u8ff0<\/h4>\n<ul>\n<li>\u5927\u91cf\u7f13\u5b58\u540c\u65f6\u5931\u6548<\/li>\n<li>\u77ac\u65f6\u5927\u91cf\u8bf7\u6c42\u76f4\u63a5\u8bbf\u95ee\u6570\u636e\u5e93<\/li>\n<li>\u53ef\u80fd\u5bfc\u81f4\u7cfb\u7edf\u538b\u529b\u5267\u589e<\/li>\n<\/ul>\n<h4>\u89e3\u51b3\u65b9\u6848<\/h4>\n<ol>\n<li><strong>\u968f\u673a\u8fc7\u671f\u65f6\u95f4<\/strong>\n<ul>\n<li>\u5728\u57fa\u7840\u8fc7\u671f\u65f6\u95f4\u4e0a\u589e\u52a0\u968f\u673a\u6570<\/li>\n<li>\u907f\u514d\u540c\u65f6\u5927\u91cf\u7f13\u5b58\u5931\u6548<\/li>\n<\/ul>\n<pre><code class=\"language-python line-numbers\">import random\n\ndef set_cache_with_random_expire(key, value, base_expire):\n    random_expire = base_expire + random.randint(0, 300)\n    redis.setex(key, random_expire, value)\n<\/code><\/pre>\n<\/li>\n<li><strong>\u7f13\u5b58\u9884\u70ed<\/strong>\n<ul>\n<li>\u542f\u52a8\u65f6\u63d0\u524d\u52a0\u8f7d\u70ed\u70b9\u6570\u636e<\/li>\n<li>\u5b9a\u671f\u5237\u65b0\u7f13\u5b58<\/li>\n<\/ul>\n<pre><code class=\"language-python line-numbers\">def cache_warm_up():\n    hot_keys = [\n        \"top:products\",\n        \"hot:users\",\n        \"system:config\"\n    ]\n\n    for key in hot_keys:\n        data = db.query_data(key)\n        redis.setex(key, 3600, data)\n<\/code><\/pre>\n<\/li>\n<\/ol>\n<h3>\u7f13\u5b58\u51fb\u7a7f\uff08Cache Hot Spot Invalid\uff09<\/h3>\n<h4>\u95ee\u9898\u63cf\u8ff0<\/h4>\n<ul>\n<li>\u9ad8\u5e76\u53d1\u8bbf\u95ee\u67d0\u4e2a\u70ed\u70b9Key<\/li>\n<li>\u7f13\u5b58\u8fc7\u671f\u77ac\u95f4<\/li>\n<li>\u5927\u91cf\u8bf7\u6c42\u7a7f\u900f\u5230\u6570\u636e\u5e93<\/li>\n<\/ul>\n<h4>\u89e3\u51b3\u65b9\u6848<\/h4>\n<ol>\n<li><strong>\u5206\u5e03\u5f0f\u9501<\/strong>\n<ul>\n<li>\u63a7\u5236\u5e76\u53d1\u8bbf\u95ee<\/li>\n<li>\u53ea\u5141\u8bb8\u4e00\u4e2a\u8bf7\u6c42\u91cd\u5efa\u7f13\u5b58<\/li>\n<\/ul>\n<pre><code class=\"language-python line-numbers\">def get_with_mutex(key):\n    # \u5c1d\u8bd5\u83b7\u53d6\u7f13\u5b58\n    value = redis.get(key)\n    if value:\n        return value\n\n    # \u4f7f\u7528\u5206\u5e03\u5f0f\u9501\n    lock_key = f\"lock:{key}\"\n    if redis.setnx(lock_key, 1):\n        redis.expire(lock_key, 10)\n\n        try:\n            # \u91cd\u5efa\u7f13\u5b58\n            value = db.query(key)\n            redis.setex(key, 3600, value)\n        finally:\n            redis.delete(lock_key)\n    else:\n        # \u5176\u4ed6\u7ebf\u7a0b\u7b49\u5f85\n        time.sleep(0.1)\n        return get_with_mutex(key)\n<\/code><\/pre>\n<\/li>\n<li><strong>\u903b\u8f91\u8fc7\u671f<\/strong>\n<ul>\n<li>\u5728Value\u4e2d\u7ef4\u62a4\u903b\u8f91\u8fc7\u671f\u65f6\u95f4<\/li>\n<li>\u5f02\u6b65\u66f4\u65b0\u7f13\u5b58<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n<h2>\u9ad8\u53ef\u7528\u67b6\u6784\u8bbe\u8ba1<\/h2>\n<h3>\u67b6\u6784\u6f14\u8fdb\u8def\u5f84<\/h3>\n<ol>\n<li><strong>\u5355\u673a\u6a21\u5f0f<\/strong>\uff1a\u57fa\u7840\u5165\u95e8\u9636\u6bb5<\/li>\n<li><strong>\u4e3b\u4ece\u590d\u5236<\/strong>\uff1a\u63d0\u5347\u8bfb\u6027\u80fd\u548c\u53ef\u9760\u6027<\/li>\n<li><strong>\u54e8\u5175\u6a21\u5f0f<\/strong>\uff1a\u5b9e\u73b0\u81ea\u52a8\u6545\u969c\u8f6c\u79fb<\/li>\n<li><strong>\u96c6\u7fa4\u6a21\u5f0f<\/strong>\uff1a\u6c34\u5e73\u6269\u5c55\u4e0e\u9ad8\u53ef\u7528<\/li>\n<\/ol>\n<h3>\u67b6\u6784\u9009\u578b\u51b3\u7b56\u77e9\u9635<\/h3>\n<table>\n<thead>\n<tr>\n<th>\u67b6\u6784\u6a21\u5f0f<\/th>\n<th>\u4f18\u52bf<\/th>\n<th>\u9002\u7528\u573a\u666f<\/th>\n<th>\u590d\u6742\u5ea6<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u4e3b\u4ece\u590d\u5236<\/td>\n<td>\u8bfb\u6027\u80fd\u63d0\u5347<br \/> \u6570\u636e\u5907\u4efd<br \/> \u6545\u969c\u6062\u590d<\/td>\n<td>\u8bfb\u591a\u5199\u5c11<br \/> \u4e2d\u5c0f\u89c4\u6a21\u5e94\u7528<\/td>\n<td>\u4f4e<\/td>\n<\/tr>\n<tr>\n<td>\u54e8\u5175\u6a21\u5f0f<\/td>\n<td>\u81ea\u52a8\u6545\u969c\u5207\u6362<br \/> \u9ad8\u53ef\u7528<br \/> \u65e0\u9700\u66f4\u6539\u4ee3\u7801<\/td>\n<td>\u7a33\u5b9a\u6027\u8981\u6c42\u9ad8<br \/>\u4e2d\u578b\u7cfb\u7edf<\/td>\n<td>\u4e2d<\/td>\n<\/tr>\n<tr>\n<td>Cluster\u96c6\u7fa4<\/td>\n<td>\u6d77\u91cf\u6570\u636e\u5b58\u50a8<br \/> \u6c34\u5e73\u6269\u5c55<br \/> \u9ad8\u5e76\u53d1<\/td>\n<td>\u5927\u89c4\u6a21\u5206\u5e03\u5f0f<br \/> \u4e92\u8054\u7f51\u5e94\u7528<\/td>\n<td>\u9ad8<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>\u4e3b\u4ece\u590d\u5236\u8be6\u89e3<\/h2>\n<h3>\u590d\u5236\u539f\u7406<\/h3>\n<ol>\n<li><strong>\u5168\u91cf\u540c\u6b65<\/strong>\uff1a\u4e3b\u8282\u70b9\u751f\u6210RDB\u5feb\u7167<\/li>\n<li><strong>\u589e\u91cf\u540c\u6b65<\/strong>\uff1a\u590d\u5236\u504f\u79fb\u91cf\u548c\u590d\u5236\u79ef\u538b\u7f13\u51b2\u533a<\/li>\n<li><strong>\u5fc3\u8df3\u68c0\u6d4b<\/strong>\uff1a\u7ef4\u62a4\u4e3b\u4ece\u8fde\u63a5\u72b6\u6001<\/li>\n<\/ol>\n<h3>\u914d\u7f6e\u5b9e\u8df5<\/h3>\n<pre><code class=\"language-bash line-numbers\"># \u4ece\u8282\u70b9\u914d\u7f6e\nslaveof 192.168.1.100 6379\nmasterauth your_password\n<\/code><\/pre>\n<h2>\u8bfb\u5199\u5206\u79bb\u67b6\u6784<\/h2>\n<h3>\u5b9e\u73b0\u7b56\u7565<\/h3>\n<ol>\n<li><strong>\u4ee3\u7406\u6a21\u5f0f<\/strong>\n<ul>\n<li>\u4f7f\u7528\u4e2d\u95f4\u4ef6\uff08Twemproxy\u3001Codis\uff09<\/li>\n<li>\u900f\u660e\u8def\u7531\u8bf7\u6c42<\/li>\n<\/ul>\n<\/li>\n<li><strong>\u5ba2\u6237\u7aef\u5206\u6d41<\/strong>\n<ul>\n<li>\u6839\u636e\u8bfb\u5199\u6bd4\u4f8b\u52a8\u6001\u8def\u7531<\/li>\n<li>\u4e1a\u52a1\u5c42\u5b9e\u73b0\u903b\u8f91<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n<h3>\u4ee3\u7801\u793a\u4f8b<\/h3>\n<pre><code class=\"language-python line-numbers\">class RedisRouter:\n    def __init__(self, master, slaves):\n        self.master = master\n        self.slaves = slaves\n\n    def get_connection(self, is_write=False):\n        if is_write:\n            return self.master\n        return random.choice(self.slaves)\n<\/code><\/pre>\n<h2>\u5206\u7247\u6280\u672f<\/h2>\n<h3>\u5206\u7247\u7b97\u6cd5<\/h3>\n<ol>\n<li><strong>\u54c8\u5e0c\u5206\u7247<\/strong>\n<ul>\n<li>\u8ba1\u7b97Key\u7684CRC32\u54c8\u5e0c\u503c<\/li>\n<li>\u6620\u5c04\u5230\u4e0d\u540c\u5b9e\u4f8b<\/li>\n<li>\u5747\u5300\u5206\u5e03\u6570\u636e<\/li>\n<\/ul>\n<\/li>\n<li><strong>\u8303\u56f4\u5206\u7247<\/strong>\n<ul>\n<li>\u6309Key\u7684\u8303\u56f4\u5212\u5206<\/li>\n<li>\u9002\u5408\u6709\u5e8f\u6570\u636e<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n<h3>\u5206\u7247\u5b9e\u73b0<\/h3>\n<pre><code class=\"language-python line-numbers\">def get_shard(key, shard_count):\n    # \u7b80\u5355\u54c8\u5e0c\u5206\u7247\u7b97\u6cd5\n    return hash(key) % shard_count\n<\/code><\/pre>\n<h2>\u9ad8\u53ef\u7528\u65b9\u6848<\/h2>\n<h3>\u6545\u969c\u5207\u6362\u673a\u5236<\/h3>\n<ol>\n<li><strong>\u4e3b\u52a8\u63a2\u6d4b<\/strong>\n<ul>\n<li>\u5b9a\u671f\u5fc3\u8df3\u68c0\u6d4b<\/li>\n<li>\u8bc4\u4f30\u8282\u70b9\u72b6\u6001<\/li>\n<\/ul>\n<\/li>\n<li><strong>\u9009\u4e3b\u7b97\u6cd5<\/strong>\n<ul>\n<li>\u57fa\u4e8e\u8282\u70b9\u4f18\u5148\u7ea7<\/li>\n<li>\u6570\u636e\u5b8c\u6574\u6027<\/li>\n<li>\u7f51\u7edc\u5ef6\u8fdf<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n<h3>\u54e8\u5175\u914d\u7f6e<\/h3>\n<pre><code class=\"language-bash line-numbers\"># sentinel.conf\nsentinel monitor mymaster 127.0.0.1 6379 2\nsentinel down-after-milliseconds mymaster 5000\nsentinel failover-timeout mymaster 10000\n<\/code><\/pre>\n<h2>\u6027\u80fd\u4f18\u5316<\/h2>\n<h3>\u4f18\u5316\u6e05\u5355<\/h3>\n<ol>\n<li><strong>\u5185\u5b58\u7ba1\u7406<\/strong>\n<ul>\n<li>\u8bbe\u7f6e\u6700\u5927\u5185\u5b58<\/li>\n<li>\u914d\u7f6e\u6dd8\u6c70\u7b56\u7565<\/li>\n<\/ul>\n<\/li>\n<li><strong>\u7f51\u7edc\u4f18\u5316<\/strong>\n<ul>\n<li>TCP\u53c2\u6570\u8c03\u4f18<\/li>\n<li>\u8fde\u63a5\u6c60\u7ba1\u7406<\/li>\n<\/ul>\n<\/li>\n<li><strong>\u6301\u4e45\u5316\u8c03\u4f18<\/strong>\n<ul>\n<li>\u5408\u7406\u914d\u7f6eRDB\/AOF<\/li>\n<li>\u63a7\u5236\u6267\u884c\u9891\u7387<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n<h3>\u6027\u80fd\u76d1\u63a7\u6307\u6807<\/h3>\n<ul>\n<li>\u547d\u4e2d\u7387<\/li>\n<li>\u54cd\u5e94\u65f6\u95f4<\/li>\n<li>\u7f51\u7edc\u541e\u5410\u91cf<\/li>\n<li>CPU\/\u5185\u5b58\u5360\u7528<\/li>\n<\/ul>\n<h2>\u5b9e\u8df5\u5efa\u8bae<\/h2>\n<ol>\n<li><strong>\u5faa\u5e8f\u6e10\u8fdb<\/strong>\uff1a\u4ece\u7b80\u5355\u67b6\u6784\u5f00\u59cb<\/li>\n<li><strong>\u5145\u5206\u6d4b\u8bd5<\/strong>\uff1a\u6a21\u62df\u5404\u79cd\u6545\u969c\u573a\u666f<\/li>\n<li><strong>\u6301\u7eed\u5b66\u4e60<\/strong>\uff1a\u5173\u6ce8\u6700\u65b0\u6280\u672f<\/li>\n<li><strong>\u5b9e\u8df5\u51fa\u771f\u77e5<\/strong>\uff1a\u52a8\u624b\u642d\u5efa\u5b9e\u9a8c\u73af\u5883<\/li>\n<\/ol>\n<h2>\u4f01\u4e1a\u5b9e\u6218\u573a\u666f<\/h2>\n<h3>\u5178\u578b\u5e94\u7528<\/h3>\n<ol>\n<li>\u7535\u5546\u79d2\u6740\u7cfb\u7edf<\/li>\n<li>\u793e\u4ea4\u7f51\u7edc\u7f13\u5b58<\/li>\n<li>\u5b9e\u65f6\u6d88\u606f\u63a8\u9001<\/li>\n<li>\u5206\u5e03\u5f0f\u4f1a\u8bdd\u7ba1\u7406<\/li>\n<\/ol>\n<h2>\u672a\u6765\u5c55\u671b<\/h2>\n<ul>\n<li>\u4e91\u539f\u751f\u67b6\u6784<\/li>\n<li>\u591a\u6a21\u6001\u5b58\u50a8<\/li>\n<li>\u667a\u80fd\u7f13\u5b58<\/li>\n<li>\u53ef\u89c2\u6d4b\u6027\u5e73\u53f0<\/li>\n<\/ul>\n<h2>\u7ed3\u8bed<\/h2>\n<p>Redis\u4e0d\u4ec5\u4ec5\u662f\u4e00\u4e2a\u7f13\u5b58\u5de5\u5177\uff0c\u66f4\u662f\u6784\u5efa\u9ad8\u6027\u80fd\u5206\u5e03\u5f0f\u7cfb\u7edf\u7684\u5229\u5668\u3002\u901a\u8fc7\u4e0d\u65ad\u5b66\u4e60\u548c\u5b9e\u8df5\uff0c\u4f60\u5c06\u9010\u6b65\u638c\u63e1\u5176\u4e2d\u7684\u67b6\u6784\u7cbe\u9ad3\uff01<\/p>\n<p><strong>\ud83d\udca1 \u5173\u952e\u4fe1\u606f<\/strong><\/p>\n<ul>\n<li>\u9ad8\u53ef\u7528 = \u67b6\u6784\u8bbe\u8ba1 + \u5bb9\u9519\u673a\u5236<\/li>\n<li>\u6027\u80fd\u4f18\u5316\u9700\u8981\u5168\u65b9\u4f4d\u601d\u8003<\/li>\n<li>\u5b9e\u8df5\u662f\u68c0\u9a8c\u6280\u672f\u7684\u552f\u4e00\u6807\u51c6 \ud83d\ude80<\/li>\n<\/ul>\n<p>\u5e0c\u671b\u8fd9\u4efd\u6587\u6863\u80fd\u5e2e\u52a9\u4f60\u66f4\u597d\u5730\u7406\u89e3\u548c\u4f7f\u7528 Redis\uff01\ud83d\udcbe<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u7b80\u4ecb Redis \u662f\u4e00\u4e2a\u5f00\u6e90\u7684\u9ad8\u6027\u80fd\u5185\u5b58\u952e\u503c\u5b58\u50a8\u7cfb\u7edf\uff0c\u88ab\u5e7f\u6cdb\u7528\u4e8e\u7f13\u5b58\u3001\u6d88\u606f\u961f\u5217\u3001\u5b9e\u65f6\u5206\u6790\u7b49\u573a\u666f\u3002\u60f3\u8c61\u5b83\u662f\u4e00\u4f4d\u9ad8\u6548\u7684&#8221;\u6570\u636e\u7ba1\u5bb6&#8221;\uff0c\u4e0d &#8230;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"emotion":"","emotion_color":"","title_style":"","license":"","footnotes":""},"categories":[39,27],"tags":[37,26,32,31,41,35,40,38],"class_list":["post-201","post","type-post","status-publish","format-standard","hentry","category-redis","category-27","tag-nosql","tag-redis","tag-32","tag-31","tag-41","tag-35","tag-40","tag-38"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v23.7 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Redis \u5165\u95e8\u6307\u5357 - \u4ee3\u7801\u604b\u7231\u6307\u5357<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/codeloveme.com\/index.php\/2024\/12\/16\/redis-\u5165\u95e8\u6307\u5357\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" 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