{"id":79994,"date":"2026-03-03T23:17:39","date_gmt":"2026-03-03T15:17:39","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/79994.html"},"modified":"2026-03-03T23:17:39","modified_gmt":"2026-03-03T15:17:39","slug":"%e3%80%90redis17%e3%80%91redis-%e7%bc%93%e5%ad%98","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/79994.html","title":{"rendered":"\u3010Redis#17\u3011Redis \u7f13\u5b58"},"content":{"rendered":"<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/03\/20260303151737-69a6fb91e3a63.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" width=\"80\" height=\"80\" \/><\/p>\n<p>&#x1f4c3;<font color=\"red\" face=\"\u6977\u4f53\">\u4e2a\u4eba\u4e3b\u9875&#xff1a;<\/font>island1314<\/p>\n<p>\u26fa\ufe0f \u6b22\u8fce\u5173\u6ce8&#xff1a;&#x1f44d;\u70b9\u8d5e &#x1f442;&#x1f3fd;\u7559\u8a00 &#x1f60d;\u6536\u85cf &#x1f49e; &#x1f49e; &#x1f49e;<\/p>\n<ul>\n<li><font face=\"\u6977\u4f53\" size=\"4\" color=\"#D2B48C\"> \u751f\u6d3b\u603b\u662f\u4e0d\u4f1a\u4e00\u5e06\u98ce\u987a&#xff0c;\u524d\u8fdb\u7684\u9053\u8def\u4e5f\u4e0d\u4f1a\u6c38\u8fdc\u4e00\u9a6c\u5e73\u5ddd&#xff0c;\u5982\u4f55\u9762\u5bf9\u632b\u6298\u5f71\u54cd\u4eba\u751f\u8d70\u5411 \u2013 \u300a\u4eba\u6c11\u65e5\u62a5\u300b<\/font><\/li>\n<\/ul>\n<hr \/>\n<h4>&#x1f525; \u76ee\u5f55<\/h4>\n<ul>\n<li>\n<ul>\n<li>\u4e00\u3001\u4ec0\u4e48\u662f\u7f13\u5b58<\/li>\n<li>\n<ul>\n<li>1. \u57fa\u672c\u6982\u5ff5<\/li>\n<li>2. \u7f13\u5b58\u7684\u5c42\u7ea7\u7ed3\u6784&#xff08;\u4ece\u5feb\u5230\u6162&#xff09;<\/li>\n<li>3. \u7f13\u5b58\u5206\u7c7b<\/li>\n<li>4. \u7f13\u5b58\u7684\u7279\u6027<\/li>\n<li>\n<ul>\n<li>\u5173\u4e8e\u7f13\u5b58\u4e00\u81f4\u6027\u95ee\u9898<\/li>\n<\/ul>\n<\/li>\n<li>5. \u7f13\u5b58 vs \u7f13\u51b2&#xff08;Buffer&#xff09;<\/li>\n<li>6. \u7f13\u5b58\u7684\u5e94\u7528\u573a\u666f<\/li>\n<\/ul>\n<\/li>\n<li>\u4e8c\u3001\u4f7f\u7528 Redis \u4f5c\u4e3a\u7f13\u5b58<\/li>\n<li>\n<ul>\n<li>1. \u4e00\u4e9b\u95ee\u9898<\/li>\n<li>2. Redis \u7684\u4f18\u52bf<\/li>\n<\/ul>\n<\/li>\n<li>\u4e09\u3001\u7f13\u5b58\u7684\u66f4\u65b0\u7b56\u7565<\/li>\n<li>\n<ul>\n<li>\u7f13\u5b58\u7684\u66ff\u6362\u7b56\u7565<\/li>\n<\/ul>\n<\/li>\n<li>\u56db\u3001\u5e38\u89c1\u7684\u7f13\u5b58\u95ee\u9898<\/li>\n<li>\n<ul>\n<li>1. \u7f13\u5b58\u7a7f\u900f&#xff08;Cache penetration&#xff09;<\/li>\n<li>2. \u7f13\u5b58\u51fb\u7a7f&#xff08;Cache BreakDown&#xff09;<\/li>\n<li>3. \u7f13\u5b58\u96ea\u5d29&#xff08;Cache avalanche&#xff09;<\/li>\n<li>4. \u7f13\u5b58\u6c61\u67d3<\/li>\n<li>\n<ul>\n<li>\u5173\u4e8e \u7f13\u5b58\u9884\u70ed&#xff08;Cache preheating&#xff09;<\/li>\n<\/ul>\n<\/li>\n<li>5. \u7f13\u5b58\u4e0d\u4e00\u81f4<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<hr \/>\n<h3>\u4e00\u3001\u4ec0\u4e48\u662f\u7f13\u5b58<\/h3>\n<h4>1. \u57fa\u672c\u6982\u5ff5<\/h4>\n<p>\u7f13\u5b58(cache)\u662f\u8ba1\u7b97\u673a\u4e2d\u7684\u4e00\u4e2a\u7ecf\u5178\u7684\u6982\u5ff5&#xff0c;\u5728\u5f88\u591a\u573a\u666f\u4e2d\u90fd\u4f1a\u6d89\u53ca\u5230\u6838\u5fc3\u601d\u8def\u5c31\u662f\u628a\u4e00\u4e9b\u5e38\u7528\u7684\u6570\u636e\u653e\u5230\u89e6\u624b\u53ef\u53ca(\u8bbf\u95ee\u901f\u5ea6\u66f4\u5feb)\u7684\u5730\u65b9,\u65b9\u4fbf\u968f\u65f6\u8bfb\u53d6\u3002<\/p>\n<p>\u7f13\u5b58\u662f\u5c06\u9891\u7e41\u8bbf\u95ee\u7684\u6570\u636e\u4e34\u65f6\u5b58\u50a8\u5728\u8bbf\u95ee\u901f\u5ea6\u66f4\u5feb\u7684\u4ecb\u8d28\u4e2d&#xff0c;\u4ee5\u63d0\u5347\u6574\u4f53\u6027\u80fd\u7684\u4e00\u79cd\u673a\u5236\u3002<\/p>\n<p>&#x1f9e0; \u6838\u5fc3\u601d\u60f3&#xff1a;<\/p>\n<ul>\n<li>\u65f6\u95f4\u6362\u7a7a\u95f4 &#xff1a;\u628a\u201c\u5feb\u201d\u7684\u5730\u65b9\u7528\u6765\u88c5\u201c\u5e38\u7528\u201d\u7684\u6570\u636e<\/li>\n<li>\u5c40\u90e8\u6027\u539f\u7406 &#xff1a;\u7a0b\u5e8f\u503e\u5411\u4e8e\u91cd\u590d\u8bbf\u95ee\u67d0\u4e9b\u6570\u636e\u6216\u5176\u9644\u8fd1\u7684\u6570\u636e&#xff08;\u65f6\u95f4\/\u7a7a\u95f4\u5c40\u90e8\u6027&#xff09;<\/li>\n<\/ul>\n<p>\u4e3e\u4e2a\u4f8b\u5b50:<\/p>\n<ul>\n<li>\u6bd4\u5982\u6211\u9700\u8981\u53bb\u9ad8\u94c1\u7ad9\u5750\u9ad8\u94c1&#xff0c;\u6211\u4eec\u77e5\u9053\u5750\u9ad8\u94c1\u662f\u9700\u8981\u53cd\u590d\u5237\u8eab\u4efd\u8bc1&#xff08;\u6570\u636e&#xff09;\u7684 (\u8fdb\u5165\u9ad8\u94c1\u7ad9,\u68c0\u7968,\u4e0a\u8f66\u4e58\u8f66\u8fc7\u7a0b\u4e2d,\u51fa\u7ad9\u2026)<\/li>\n<li>\u6b63\u5e38\u6765\u8bf4\u6211\u7684\u8eab\u4efd\u8bc1\u662f\u653e\u5728 \u76ae\u7bb1&#xff08;\u786c\u76d8&#xff09;\u91cc\u7684&#xff08;\u76ae\u7bb1\u7684\u5b58\u50a8\u7a7a\u95f4\u5927&#xff0c;\u8db3\u591f\u80fd\u88c5&#xff09;\u3002\u4f46\u662f\u6bcf\u6b21\u5237\u8eab\u4efd\u8bc1\u90fd\u9700\u8981\u5f00\u4e00\u6b21\u76ae\u7bb1\u627e\u8eab\u4efd\u8bc1,\u5c31\u975e\u5e38\u4e0d\u65b9\u4fbf.<\/li>\n<li>\u56e0\u6b64\u6211\u5c31\u53ef\u4ee5\u628a\u8eab\u4efd\u8bc1\u5148\u653e\u5230 \u8863\u670d\u53e3\u888b&#xff08;\u7f13\u5b58&#xff09;&#xff0c;\u53e3\u888b\u867d\u7136\u7a7a\u95f4\u5c0f&#xff0c;\u4f46\u662f\u8bbf\u95ee\u901f\u5ea6\u6bd4\u76ae\u7bb1\u5feb\u5f88\u591a\u8fd9\u6837\u7684\u8bdd\u6bcf\u6b21\u5237\u8eab\u4efd\u8bc1\u6211\u53ea\u9700\u8981\u4ece\u53e3\u888b\u91cc\u638f\u8eab\u4efd\u8bc1\u5c31\u884c\u4e86&#xff0c;\u5c31\u4e0d\u5fc5\u5f00\u76ae\u7bb1\u4e86<\/li>\n<li>\u6b64\u65f6&#034;\u53e3\u888b&#034;\u5c31\u662f&#034;\u76ae\u7bb1&#034;\u7684\u7f13\u5b58&#xff0c;\u4f7f\u7528\u7f13\u5b58\u80fd\u591f\u5927\u5927\u63d0\u9ad8\u8bbf\u95ee\u6548\u7387.<\/li>\n<\/ul>\n<h4>2. \u7f13\u5b58\u7684\u5c42\u7ea7\u7ed3\u6784&#xff08;\u4ece\u5feb\u5230\u6162&#xff09;<\/h4>\n<p>\u7f13\u5b58\u662f\u4e00\u4e2a\u5178\u578b\u7684 \u5206\u5c42\u7ed3\u6784&#xff08;Hierarchy&#xff09; &#xff0c;\u6bcf\u4e00\u5c42\u90fd\u4f5c\u4e3a\u4e0b\u4e00\u5c42\u7684\u7f13\u5b58&#xff1a;<\/p>\n<p>CPU \u5bc4\u5b58\u5668&#xff08;Registers&#xff09;<br \/>\n     \u2191<br \/>\nL1 Cache<br \/>\n     \u2191<br \/>\nL2 Cache<br \/>\n     \u2191<br \/>\nL3 Cache<br \/>\n     \u2191<br \/>\n\u5185\u5b58&#xff08;RAM&#xff09;<br \/>\n     \u2191<br \/>\n\u786c\u76d8&#xff08;SSD\/HDD&#xff09;<br \/>\n     \u2191<br \/>\n\u7f51\u7edc&#xff08;\u8fdc\u7a0b\u670d\u52a1\u5668&#xff09;<\/p>\n<table>\n<tr>\u5c42\u7ea7\u7279\u70b9\u793a\u4f8b<\/tr>\n<tbody>\n<tr>\n<td>CPU \u5bc4\u5b58\u5668<\/td>\n<td>\u6781\u5feb&#xff0c;\u6781\u5c0f<\/td>\n<td>\u51e0 KB&#xff0c;\u7528\u4e8e\u6267\u884c\u6307\u4ee4\u65f6\u5feb\u901f\u8bbf\u95ee\u6570\u636e<\/td>\n<\/tr>\n<tr>\n<td>L1\/L2\/L3 Cache<\/td>\n<td>\u5feb\u901f\u8bbf\u95ee&#xff0c;\u6210\u672c\u9ad8<\/td>\n<td>MB \u7ea7\u522b&#xff0c;\u7528\u4e8e\u52a0\u901f CPU \u5bf9\u5185\u5b58\u7684\u8bbf\u95ee<\/td>\n<\/tr>\n<tr>\n<td>\u5185\u5b58&#xff08;RAM&#xff09;<\/td>\n<td>\u4e2d\u7b49\u901f\u5ea6&#xff0c;\u5bb9\u91cf\u8f83\u5927<\/td>\n<td>GB \u7ea7\u522b&#xff0c;\u4f5c\u4e3a\u786c\u76d8\u7684\u7f13\u5b58<\/td>\n<\/tr>\n<tr>\n<td>\u786c\u76d8&#xff08;SSD&#xff09;<\/td>\n<td>\u5bb9\u91cf\u5927&#xff0c;\u901f\u5ea6\u8f83\u6162<\/td>\n<td>TB \u7ea7\u522b&#xff0c;\u53ef\u4f5c\u4e3a\u7f51\u7edc\u670d\u52a1\u7684\u672c\u5730\u7f13\u5b58<\/td>\n<\/tr>\n<tr>\n<td>\u7f51\u7edc<\/td>\n<td>\u6700\u6162&#xff0c;\u4f46\u5bb9\u91cf\u65e0\u9650<\/td>\n<td>\u4e91\u7aef\u6570\u636e&#xff0c;\u9700\u901a\u8fc7\u7f51\u7edc\u62c9\u53d6<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<ul>\n<li>\u786c\u76d8\u76f8\u5bf9\u4e8e\u7f51\u7edc\u662f&#034;\u89e6\u624b\u53ef\u53ca\u7684&#034;&#xff0c;\u5c31\u53ef\u4ee5\u4f7f\u7528\u786c\u76d8\u4f5c\u4e3a\u7f51\u7edc\u7684\u7f13\u5b58&#xff0c;\u5185\u5b58\u76f8\u5bf9\u4e8e\u786c\u76d8\u662f&#034;\u89e6\u624b\u53ef\u53ca\u7684&#034;&#xff0c;\u5c31\u53ef\u4ee5\u4f7f\u7528\u5185\u5b58\u4f5c\u4e3a\u786c\u76d8\u7684\u7f13\u5b58<\/li>\n<li>CPU \u5bc4\u5b58\u5668\u76f8\u5bf9\u4e8e\u5185\u5b58\u662f&#034;\u89e6\u624b\u53ef\u53ca\u7684&#034;&#xff0c;\u5c31\u53ef\u4ee5\u4f7f\u7528 CPU \u5bc4\u5b58\u5668\u4f5c\u4e3a\u5185\u5b58\u7684\u7f13\u5b58<\/li>\n<\/ul>\n<p>\u8fd9\u91cc\u6240\u8bf4\u7684&#034;\u89e6\u624b\u53ef\u53ca&#034;\u662f\u4e2a\u76f8\u5bf9\u7684\u6982\u5ff5<\/p>\n<p>\u5bf9\u4e8e\u8ba1\u7b97\u673a\u786c\u4ef6\u6765\u8bf4&#xff0c;\u5f80\u5f80\u8bbf\u95ee\u901f\u5ea6\u8d8a\u5feb\u7684\u8bbe\u5907&#xff0c;\u6210\u672c\u8d8a\u9ad8&#xff0c;\u5b58\u50a8\u7a7a\u95f4\u8d8a\u5c0f\u3002\u7f13\u5b58\u662f\u66f4\u5feb&#xff0c;\u4f46\u662f\u7a7a\u95f4\u4e0a\u5f80\u5f80\u662f\u4e0d\u8db3\u7684\u3002\u56e0\u6b64\u5927\u90e8\u5206\u7684\u65f6\u5019\u7f13\u5b58\u53ea\u653e\u4e00\u4e9b \u70ed\u70b9\u6570\u636e (\u8bbf\u95ee\u9891\u7e41\u7684\u6570\u636e) \u5c31\u975e\u5e38\u6709\u7528\u4e86<\/p>\n<h4>3. \u7f13\u5b58\u5206\u7c7b<\/h4>\n<table>\n<tr>\u7c7b\u578b\u63cf\u8ff0\u5e94\u7528\u573a\u666f<\/tr>\n<tbody>\n<tr>\n<td>\u786c\u4ef6\u7f13\u5b58<\/td>\n<td>CPU \u7f13\u5b58\u3001\u5185\u5b58\u7f13\u5b58<\/td>\n<td>\u63d0\u5347\u5904\u7406\u5668\u8bbf\u95ee\u6570\u636e\u7684\u901f\u5ea6<\/td>\n<\/tr>\n<tr>\n<td>\u64cd\u4f5c\u7cfb\u7edf\u7f13\u5b58<\/td>\n<td>\u6587\u4ef6\u7cfb\u7edf\u7f13\u5b58\u3001\u78c1\u76d8\u7f13\u5b58<\/td>\n<td>\u52a0\u5feb\u6587\u4ef6\u8bfb\u5199\u3001\u51cf\u5c11\u78c1\u76d8 I\/O<\/td>\n<\/tr>\n<tr>\n<td>\u5e94\u7528\u7f13\u5b58<\/td>\n<td>Redis\u3001Memcached\u3001\u6d4f\u89c8\u5668\u7f13\u5b58<\/td>\n<td>\u63d0\u9ad8 Web \u54cd\u5e94\u901f\u5ea6\u3001\u6570\u636e\u5e93\u67e5\u8be2\u4f18\u5316<\/td>\n<\/tr>\n<tr>\n<td>CDN \u7f13\u5b58<\/td>\n<td>\u5c06\u9759\u6001\u8d44\u6e90\u7f13\u5b58\u5230\u79bb\u7528\u6237\u6700\u8fd1\u7684\u8fb9\u7f18\u8282\u70b9<\/td>\n<td>\u52a0\u5feb\u7f51\u7ad9\u52a0\u8f7d\u3001\u964d\u4f4e\u6e90\u7ad9\u538b\u529b<\/td>\n<\/tr>\n<tr>\n<td>\u6d4f\u89c8\u5668\u7f13\u5b58<\/td>\n<td>\u7f13\u5b58\u7f51\u9875\u8d44\u6e90&#xff08;HTML\u3001JS\u3001CSS&#xff09;<\/td>\n<td>\u63d0\u9ad8\u9875\u9762\u52a0\u8f7d\u901f\u5ea6<\/td>\n<\/tr>\n<tr>\n<td>\u6570\u636e\u5e93\u7f13\u5b58<\/td>\n<td>\u67e5\u8be2\u7f13\u5b58\u3001\u884c\u7f13\u5b58\u3001\u7d22\u5f15\u7f13\u5b58<\/td>\n<td>\u907f\u514d\u91cd\u590d\u6267\u884c\u590d\u6742\u67e5\u8be2<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h4>4. \u7f13\u5b58\u7684\u7279\u6027<\/h4>\n<table>\n<tr>\u7279\u6027\u8bf4\u660e<\/tr>\n<tbody>\n<tr>\n<td>\u9ad8\u901f\u8bbf\u95ee<\/td>\n<td>\u7f13\u5b58\u7684\u6570\u636e\u8bbf\u95ee\u901f\u5ea6\u5feb\u4e8e\u539f\u59cb\u6570\u636e\u6e90<\/td>\n<\/tr>\n<tr>\n<td>\u6709\u9650\u5bb9\u91cf<\/td>\n<td>\u7f13\u5b58\u901a\u5e38\u8f83\u5c0f&#xff0c;\u53ea\u4fdd\u7559\u70ed\u70b9\u6570\u636e<\/td>\n<\/tr>\n<tr>\n<td>\u81ea\u52a8\u66f4\u65b0\/\u6dd8\u6c70<\/td>\n<td>\u5f53\u7f13\u5b58\u6ee1\u65f6&#xff0c;\u4f1a\u6839\u636e\u7b56\u7565&#xff08;LRU\u3001LFU\u3001FIFO&#xff09;\u6dd8\u6c70\u65e7\u6570\u636e<\/td>\n<\/tr>\n<tr>\n<td>\u900f\u660e\u6027<\/td>\n<td>\u5e94\u7528\u65e0\u9700\u5173\u5fc3\u6570\u636e\u6765\u81ea\u7f13\u5b58\u8fd8\u662f\u539f\u59cb\u4f4d\u7f6e<\/td>\n<\/tr>\n<tr>\n<td>\u4e00\u81f4\u6027\u95ee\u9898<\/td>\n<td>\u7f13\u5b58\u548c\u539f\u59cb\u6570\u636e\u53ef\u80fd\u4e0d\u4e00\u81f4&#xff0c;\u9700\u8981\u5237\u65b0\u673a\u5236<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h5>\u5173\u4e8e\u7f13\u5b58\u4e00\u81f4\u6027\u95ee\u9898<\/h5>\n<p>\u201c\u7f13\u5b58\u53ea\u662f\u526f\u672c\u201d&#xff0c;\u6240\u4ee5\u5f53\u539f\u59cb\u6570\u636e\u53d1\u751f\u6539\u53d8\u65f6&#xff0c;\u7f13\u5b58\u5c31\u53ef\u80fd\u5931\u6548\u3002\u6bd4\u5982&#xff1a;<\/p>\n<ul>\n<li>\u4f60\u5728\u8863\u670d\u53e3\u888b\u91cc\u653e\u4e86\u8eab\u4efd\u8bc1 \u2192 \u4e0a\u8f66\u524d\u7a81\u7136\u6362\u4e86\u5f20\u65b0\u8eab\u4efd\u8bc1 \u2192 \u53e3\u888b\u91cc\u7684\u65e7\u8bc1\u5c31\u65e0\u6548\u4e86<\/li>\n<li>\u6d4f\u89c8\u5668\u7f13\u5b58\u4e86\u7f51\u9875\u5185\u5bb9 \u2192 \u670d\u52a1\u5668\u7aef\u5185\u5bb9\u66f4\u65b0\u4e86 \u2192 \u6d4f\u89c8\u5668\u663e\u793a\u7684\u662f\u65e7\u5185\u5bb9<\/li>\n<\/ul>\n<p>\u89e3\u51b3\u65b9\u6848&#xff1a;<\/p>\n<ul>\n<li>\u8bbe\u7f6e\u8fc7\u671f\u65f6\u95f4&#xff08;TTL&#xff09;<\/li>\n<li>\u4f7f\u7528\u7248\u672c\u53f7\u63a7\u5236&#xff08;ETag&#xff09;<\/li>\n<li>\u4e3b\u52a8\u6e05\u7406\u7f13\u5b58&#xff08;\u5982 CDN \u5237\u65b0&#xff09;<\/li>\n<li>\u4f7f\u7528\u7f13\u5b58\u7a7f\u900f\u3001\u7f13\u5b58\u51fb\u7a7f\u3001\u7f13\u5b58\u96ea\u5d29\u7684\u9632\u62a4\u673a\u5236&#xff08;Redis \u573a\u666f\u5e38\u89c1&#xff09;<\/li>\n<\/ul>\n<h4>5. \u7f13\u5b58 vs \u7f13\u51b2&#xff08;Buffer&#xff09;<\/h4>\n<p>\u5f88\u591a\u4eba\u5bb9\u6613\u6df7\u6dc6\u8fd9\u4e24\u4e2a\u6982\u5ff5&#xff0c;\u5176\u5b9e\u5b83\u4eec\u7684\u533a\u522b\u5982\u4e0b&#xff1a;<\/p>\n<table>\n<tr>\u6982\u5ff5\u7f13\u5b58&#xff08;Cache&#xff09;\u7f13\u51b2&#xff08;Buffer&#xff09;<\/tr>\n<tbody>\n<tr>\n<td>\u76ee\u6807<\/td>\n<td>\u63d0\u9ad8\u8bbf\u95ee\u901f\u5ea6<\/td>\n<td>\u4e34\u65f6\u5b58\u50a8\u6570\u636e&#xff0c;\u5e73\u8861\u901f\u7387\u5dee\u5f02<\/td>\n<\/tr>\n<tr>\n<td>\u65b9\u5411<\/td>\n<td>\u8bfb\u64cd\u4f5c\u4e3a\u4e3b<\/td>\n<td>\u8bfb\u5199\u90fd\u53ef\u80fd<\/td>\n<\/tr>\n<tr>\n<td>\u7528\u9014<\/td>\n<td>\u4fdd\u5b58\u5df2\u5b58\u5728\u7684\u6570\u636e\u526f\u672c<\/td>\n<td>\u4fdd\u5b58\u5373\u5c06\u5199\u5165\u6216\u8bfb\u53d6\u7684\u6570\u636e<\/td>\n<\/tr>\n<tr>\n<td>\u4f8b\u5b50<\/td>\n<td>Redis \u7f13\u5b58\u6570\u636e\u5e93\u6570\u636e<\/td>\n<td>TCP\/IP \u534f\u8bae\u6808\u7f13\u51b2\u533a\u3001\u786c\u76d8\u8bfb\u5199\u7f13\u51b2<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h4>6. \u7f13\u5b58\u7684\u5e94\u7528\u573a\u666f<\/h4>\n<table>\n<tr>\u573a\u666f\u7f13\u5b58\u4f5c\u7528<\/tr>\n<tbody>\n<tr>\n<td>Web \u6d4f\u89c8\u5668<\/td>\n<td>\u7f13\u5b58\u56fe\u7247\u3001\u811a\u672c\u3001\u6837\u5f0f\u8868&#xff0c;\u52a0\u5feb\u9875\u9762\u52a0\u8f7d<\/td>\n<\/tr>\n<tr>\n<td>\u64cd\u4f5c\u7cfb\u7edf\u6587\u4ef6\u7cfb\u7edf<\/td>\n<td>\u7f13\u5b58\u7ecf\u5e38\u8bbf\u95ee\u7684\u6587\u4ef6&#xff0c;\u51cf\u5c11\u78c1\u76d8\u8bfb\u5199<\/td>\n<\/tr>\n<tr>\n<td>\u6570\u636e\u5e93\u7f13\u5b58<\/td>\n<td>\u7f13\u5b58\u67e5\u8be2\u7ed3\u679c&#xff0c;\u907f\u514d\u91cd\u590d\u67e5\u8be2<\/td>\n<\/tr>\n<tr>\n<td>Redis \/ Memcached<\/td>\n<td>\u4f5c\u4e3a\u6570\u636e\u5e93\u7684\u7f13\u5b58\u5c42&#xff0c;\u7f13\u89e3\u6570\u636e\u5e93\u538b\u529b<\/td>\n<\/tr>\n<tr>\n<td>CDN \u7f13\u5b58<\/td>\n<td>\u7f13\u5b58\u9759\u6001\u8d44\u6e90&#xff0c;\u8ba9\u7528\u6237\u5c31\u8fd1\u8bbf\u95ee<\/td>\n<\/tr>\n<tr>\n<td>NAS \u5f02\u5730\u8bbf\u95ee<\/td>\n<td>\u4f7f\u7528\u201c\u8282\u70b9\u5c0f\u5b9d\u201d\u5efa\u7acb P2P \u7f13\u5b58\u94fe\u8def&#xff0c;\u5b9e\u73b0\u9ad8\u901f\u8bbf\u95ee<\/td>\n<\/tr>\n<tr>\n<td>\u8fdc\u7a0b\u5524\u9192 &#043; \u7f13\u5b58\u8def\u5f84\u6620\u5c04<\/td>\n<td>\u5728\u672a\u5f00\u673a\u72b6\u6001\u4e0b\u4e5f\u80fd\u89e6\u53d1\u8fdc\u7a0b\u8bbf\u95ee&#xff0c;\u8bbf\u95ee\u672c\u5730\u8bbe\u5907\u4e0a\u7684\u7f13\u5b58\u76ee\u5f55<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>\u4e8c\u3001\u4f7f\u7528 Redis \u4f5c\u4e3a\u7f13\u5b58<\/h3>\n<p>\u5728\u4e00\u4e2a\u7f51\u7ad9\u4e2d,\u6211\u4eec\u7ecf\u5e38\u4f1a\u4f7f\u7528\u5173\u7cfb\u578b\u6570\u636e\u5e93(\u6bd4\u5982 MySQL) \u6765\u5b58\u50a8\u6570\u636e\u5173\u7cfb\u578b\u6570\u636e\u5e93\u867d\u7136\u529f\u80fd\u5f3a\u5927&#xff0c;\u4f46\u662f\u6709\u4e00\u4e2a\u5f88\u5927\u7684\u7f3a\u9677&#xff0c;\u5c31\u662f\u6027\u80fd\u4e0d\u9ad8(\u6362\u800c\u8a00\u4e4b,\u8fdb\u884c\u4e00\u6b21\u67e5\u8be2\u64cd\u4f5c\u6d88\u8017\u7684\u7cfb\u7edf\u8d44\u6e90\u8f83\u591a)<\/p>\n<h4>1. \u4e00\u4e9b\u95ee\u9898<\/h4>\n<p><font color=\"red\">\u95ee\u9898\u4e00&#xff1a;\u4e3a\u4ec0\u4e48\u8bf4\u5173\u7cfb\u578b\u6570\u636e\u5e93\u6027\u80fd\u4e0d\u9ad8?<\/font><\/p>\n<li>\u6570\u636e\u5b58\u50a8\u5728\u786c\u76d8\u4e0a&#xff1a; \u786c\u76d8&#xff08;\u5c24\u5176\u662f\u673a\u68b0\u786c\u76d8&#xff09;\u7684 I\/O \u6027\u80fd\u8fdc\u4f4e\u4e8e\u5185\u5b58<\/li>\n<li>\u67e5\u8be2\u672a\u547d\u4e2d\u7d22\u5f15&#xff1a;\u5168\u8868\u626b\u63cf\u4f1a\u589e\u52a0\u78c1\u76d8\u8bfb\u53d6\u6b21\u6570&#xff0c;\u6548\u7387\u4f4e\u4e0b<\/li>\n<li>SQL \u89e3\u6790\u5f00\u9500\u5927&#xff1a;\u5305\u62ec\u8bed\u6cd5\u89e3\u6790\u3001\u6267\u884c\u8ba1\u5212\u751f\u6210\u3001\u4e8b\u52a1\u7ba1\u7406\u7b49<\/li>\n<li>\u590d\u6742\u67e5\u8be2\u8017\u8d44\u6e90&#xff1a; JOIN\u3001GROUP BY\u3001ORDER BY \u7b49\u64cd\u4f5c\u6d88\u8017\u5927\u91cf CPU \u548c\u5185\u5b58<\/li>\n<li>\u5e76\u53d1\u8bbf\u95ee\u7ade\u4e89\u6fc0\u70c8&#xff1a; \u591a\u4e2a\u8bf7\u6c42\u540c\u65f6\u8bbf\u95ee\u6570\u636e\u5e93&#xff0c;\u5bb9\u6613\u9020\u6210\u9501\u7ade\u4e89\u3001\u8fde\u63a5\u6c60\u8017\u5c3d<\/li>\n<p>\u56e0\u6b64&#xff0c;\u5982\u679c\u8bbf\u95ee\u6570\u636e\u5e93\u7684\u5e76\u53d1\u91cf\u6bd4\u8f83\u9ad8&#xff0c;\u5bf9\u4e8e\u6570\u636e\u5e93\u7684\u538b\u529b\u662f\u5f88\u5927\u7684,\u5f88\u5bb9\u6613\u5c31\u4f1a\u4f7f\u6570\u636e\u5e93\u670d\u52a1\u5668\u5b95\u673a<\/p>\n<p>&#x1f4cc; \u7c7b\u6bd4\u8bf4\u660e&#xff1a;\u4f60\u53ef\u4ee5\u628a\u6570\u636e\u5e93\u770b\u4f5c\u56fe\u4e66\u9986\u7684\u201c\u56fe\u4e66\u7ba1\u7406\u7cfb\u7edf\u201d<\/p>\n<ul>\n<li>\u6bcf\u6b21\u67e5\u4e66\u8981\u7ffb\u76ee\u5f55\u3001\u53bb\u4e66\u67b6\u627e\u4e66 \u2192 \u8017\u65f6<\/li>\n<li>\u5982\u679c\u5f88\u591a\u4eba\u540c\u65f6\u67e5\u4e66\u3001\u501f\u4e66\u3001\u8fd8\u4e66 \u2192 \u56fe\u4e66\u9986\u5c31\u62e5\u5835\u4e86<\/li>\n<\/ul>\n<p>\u800c Redis \u5c31\u50cf\u4f60\u968f\u8eab\u5e26\u7684\u7b14\u8bb0\u672c&#xff0c;\u8bb0\u5f55\u4e86\u70ed\u95e8\u4e66\u7c4d\u7684\u4f4d\u7f6e&#xff1a;\u4e0d\u9700\u8981\u6bcf\u6b21\u90fd\u8dd1\u56fe\u4e66\u9986&#xff0c;\u5e76\u4e14 \u9ad8\u901f\u67e5\u627e &#043; \u5feb\u901f\u8fd4\u56de<\/p>\n<p><font color=\"red\">\u95ee\u9898\u4e8c&#xff1a;\u4e3a\u4ec0\u4e48\u5e76\u53d1\u91cf\u9ad8\u4e86\u5c31\u4f1a\u5b95\u673a?<\/font><\/p>\n<p>\u8fd9\u662f\u7531 \u786c\u4ef6\u8d44\u6e90 \u9650\u5236\u51b3\u5b9a\u7684&#xff0c;\u5982\u4e0b&#xff1a;<\/p>\n<table>\n<tr>\u8d44\u6e90\u5e76\u53d1\u5f71\u54cd<\/tr>\n<tbody>\n<tr>\n<td>CPU<\/td>\n<td>\u5355\u6838\u5904\u7406\u80fd\u529b\u6709\u9650&#xff0c;\u9ad8\u5e76\u53d1\u5bfc\u81f4\u4efb\u52a1\u5806\u79ef<\/td>\n<\/tr>\n<tr>\n<td>\u5185\u5b58<\/td>\n<td>\u8fde\u63a5\u6570\u592a\u591a&#xff0c;\u5360\u7528\u5927\u91cf\u5185\u5b58<\/td>\n<\/tr>\n<tr>\n<td>\u78c1\u76d8 IO<\/td>\n<td>\u9891\u7e41\u8bfb\u5199\u5bfc\u81f4\u78c1\u76d8\u74f6\u9888<\/td>\n<\/tr>\n<tr>\n<td>\u7f51\u7edc\u5e26\u5bbd<\/td>\n<td>\u8bf7\u6c42\u592a\u591a&#xff0c;\u7f51\u7edc\u5835\u585e<\/td>\n<\/tr>\n<tr>\n<td>\u8fde\u63a5\u6c60\u9650\u5236<\/td>\n<td>\u6570\u636e\u5e93\u6700\u5927\u8fde\u63a5\u6570\u88ab\u5360\u6ee1<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u6bd4\u55bb\u89e3\u91ca&#xff1a;\u60f3\u8c61\u4f60\u5728\u9910\u5385\u5403\u996d&#xff0c;\u53a8\u5e08\u53ea\u6709\u4e00\u4e2a&#xff1a;<\/p>\n<ul>\n<li>\u4e00\u4e2a\u4eba\u70b9\u83dc \u2192 \u53a8\u5e08\u53ef\u4ee5\u5e94\u4ed8<\/li>\n<li>\u4e00\u767e\u4e2a\u4eba\u540c\u65f6\u70b9\u83dc \u2192 \u53a8\u5e08\u624b\u5fd9\u811a\u4e71&#xff0c;\u670d\u52a1\u5d29\u6e83 &#x1f635;\u200d&#x1f4ab;<\/li>\n<\/ul>\n<p>\u6240\u4ee5\u6211\u4eec\u8981\u505a\u4e24\u4ef6\u4e8b&#xff1a;<\/p>\n<li>\u8ba9\u53a8\u5e08\u5c11\u5e72\u6d3b \u2192 \u5f15\u5165\u7f13\u5b58&#xff0c;\u51cf\u5c11\u6570\u636e\u5e93\u8bbf\u95ee<\/li>\n<li>\u591a\u8bf7\u51e0\u4e2a\u53a8\u5e08 \u2192 \u4f7f\u7528\u6570\u636e\u5e93\u96c6\u7fa4\u3001\u4e3b\u4ece\u590d\u5236\u3001\u5206\u5e93\u5206\u8868\u7b49\u624b\u6bb5<\/li>\n<p><font color=\"red\">\u5982\u4f55\u8ba9\u6570\u636e\u5e93\u80fd\u591f\u627f\u62c5\u66f4\u5927\u7684\u5e76\u53d1\u91cf\u5462&#xff1f;\u6838\u5fc3\u601d\u8def\u4e3b\u8981\u662f\u4e24\u4e2a:<\/font><\/p>\n<table>\n<tr>\u65b9\u5f0f\u63cf\u8ff0\u4f18\u70b9\u7f3a\u70b9<\/tr>\n<tbody>\n<tr>\n<td>\u5f00\u6e90&#xff08;\u5f15\u5165\u66f4\u591a\u673a\u5668&#xff09;<\/td>\n<td>\u4f7f\u7528\u6570\u636e\u5e93\u96c6\u7fa4\u3001\u8bfb\u5199\u5206\u79bb\u3001\u5206\u5e93\u5206\u8868<\/td>\n<td>\u63d0\u5347\u6574\u4f53\u5bb9\u91cf<\/td>\n<td>\u6210\u672c\u9ad8\u3001\u7ef4\u62a4\u590d\u6742<\/td>\n<\/tr>\n<tr>\n<td>\u8282\u6d41&#xff08;\u5f15\u5165\u7f13\u5b58&#xff09;<\/td>\n<td>\u4f7f\u7528 Redis \u7f13\u5b58\u70ed\u70b9\u6570\u636e<\/td>\n<td>\u6210\u672c\u4f4e\u3001\u89c1\u6548\u5feb\u3001\u90e8\u7f72\u7b80\u5355<\/td>\n<td>\u53ea\u80fd\u7f13\u89e3\u8bfb\u538b\u529b&#xff0c;\u65e0\u6cd5\u89e3\u51b3\u5199\u74f6\u9888<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u5b9e\u9645\u5f00\u53d1\u4e2d\u901a\u5e38\u662f\u4e24\u8005\u7ed3\u5408\u4f7f\u7528&#xff0c;\u5f62\u6210\u201c\u8bfb\u7f13\u5b58 &#043; \u5199\u6570\u636e\u5e93 &#043; \u5206\u5e03\u5f0f\u67b6\u6784 \u201d\u7684\u7ec4\u5408\u62f3<\/p>\n<h4>2. Redis \u7684\u4f18\u52bf<\/h4>\n<p>Redis \u5c31\u662f\u4e00\u4e2a\u7528\u6765\u4f5c\u4e3a\u6570\u636e\u5e93\u7f13\u5b58\u7684\u5e38\u89c1\u65b9\u6848&#xff0c;\u56e0\u4e3a Redis \u662f\u4e00\u4e2a\u9ad8\u6027\u80fd\u7684\u5185\u5b58\u6570\u636e\u5e93&#xff0c;\u5b83\u80fd\u663e\u8457\u51cf\u5c11\u5bf9 MySQL \u7b49\u5173\u7cfb\u578b\u6570\u636e\u5e93\u7684\u76f4\u63a5\u8bbf\u95ee\u538b\u529b&#xff0c;\u4ece\u800c\u63d0\u5347\u6574\u4e2a\u7cfb\u7edf\u7684\u54cd\u5e94\u901f\u5ea6\u548c\u5e76\u53d1\u80fd\u529b\u3002<\/p>\n<table>\n<tr>\u4f18\u52bf\u63cf\u8ff0<\/tr>\n<tbody>\n<tr>\n<td>&#x1f9e0; \u6570\u636e\u5b58\u5728\u5185\u5b58\u4e2d<\/td>\n<td>\u8bfb\u5199\u901f\u5ea6\u6781\u5feb&#xff0c;\u9002\u5408\u9ad8\u9891\u8bbf\u95ee<\/td>\n<\/tr>\n<tr>\n<td>\u26a1 \u5355\u7ebf\u7a0b\u6a21\u578b<\/td>\n<td>\u907f\u514d\u4e0a\u4e0b\u6587\u5207\u6362\u548c\u9501\u7ade\u4e89&#xff0c;\u6027\u80fd\u7a33\u5b9a<\/td>\n<\/tr>\n<tr>\n<td>&#x1f4e6; \u652f\u6301\u591a\u79cd\u6570\u636e\u7ed3\u6784<\/td>\n<td>String\u3001Hash\u3001List\u3001Set\u3001Sorted Set\u3001Bitmaps\u3001HyperLogLog\u3001Stream \u7b49<\/td>\n<\/tr>\n<tr>\n<td>&#x1f504; \u539f\u5b50\u64cd\u4f5c\u652f\u6301\u597d<\/td>\n<td>\u5982INCR,SETNX,HINCRBY<\/td>\n<\/tr>\n<tr>\n<td>&#x1f9e9; \u652f\u6301\u6301\u4e45\u5316<\/td>\n<td>RDB\/AOF \u4fdd\u8bc1\u6570\u636e\u4e0d\u4e22\u5931<\/td>\n<\/tr>\n<tr>\n<td>&#x1f310; \u652f\u6301\u5206\u5e03\u5f0f<\/td>\n<td>Redis Cluster\u3001\u54e8\u5175\u6a21\u5f0f\u652f\u6301\u5927\u89c4\u6a21\u90e8\u7f72<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>Redis \u8bbf\u95ee\u901f\u5ea6\u6bd4 MySOL\u5feb\u5f88\u591a&#xff0c;\u6216\u8005\u8bf4\u5904\u7406\u540c\u4e00\u4e2a\u8bbf\u95ee\u8bf7\u6c42&#xff0c;Redis \u6d88\u8017\u7684\u7cfb\u7edf\u8d44\u6e90\u6bd4 MySOL \u5c11\u5f88\u591a\u3002\u56e0\u6b64 Redis \u80fd\u652f\u6301\u7684\u5e76\u53d1\u91cf\u66f4\u5927<\/p>\n<ul>\n<li>Redis \u6570\u636e\u5728\u5185\u5b58\u4e2d&#xff0c;\u8bbf\u95ee\u5185\u5b58\u6bd4\u786c\u76d8\u5feb\u5f88\u591a<\/li>\n<li>Redis \u53ea\u662f\u652f\u6301\u7b80\u5355\u7684 key-value \u5b58\u50a8&#xff0c;\u4e0d\u6d89\u53ca\u590d\u6742\u67e5\u8be2\u7684\u90a3\u4e48\u591a\u9650\u5236\u89c4\u5219<\/li>\n<\/ul>\n<p>\u56fe\u89e3\u5982\u4e0b&#xff1a;<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/03\/20260303151737-69a6fb91f0bf2.png\" alt=\"image-20250712144721789\" \/><\/p>\n<ul>\n<li>\u5ba2\u6237\u7aef\u8bbf\u95ee\u4e1a\u52a1\u670d\u52a1\u5668,\u53d1\u8d77\u67e5\u8be2\u8bf7\u6c42<\/li>\n<li>\u4e1a\u52a1\u670d\u52a1\u5668\u5148\u67e5\u8be2 Redis&#xff0c;\u770b\u60f3\u8981\u7684\u6570\u636e\u662f\u5426\u5728 Redis \u4e2d\u5b58\u5728\n<ul>\n<li>\u5982\u679c\u5df2\u7ecf\u5728 Redis \u4e2d\u5b58\u5728\u4e86&#xff0c;\u5c31\u76f4\u63a5\u8fd4\u56de&#xff0c;\u6b64\u65f6\u4e0d\u5fc5\u8bbf\u95ee MySQL \u4e86<\/li>\n<li>\u5982\u679c\u5728 Redis \u4e2d\u4e0d\u5b58\u5728&#xff0c;\u518d\u67e5\u8be2 MySOL.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p><font color=\"red\">\u6ce8\u610f&#xff1a;\u7f13\u5b58\u662f\u7528\u6765\u52a0\u5feb\u201c\u8bfb\u64cd\u4f5c&#034;\u7684\u901f\u5ea6\u7684&#xff0c;\u5982\u679c\u662f&#034;\u5199\u64cd\u4f5c&#034;&#xff0c;\u8fd8\u662f\u8981\u8001\u8001\u5b9e\u5b9e\u5199\u6570\u636e\u5e93&#xff0c;\u7f13\u5b58\u5e76\u4e0d\u80fd\u63d0\u9ad8\u6027\u80fd.<\/font><\/p>\n<p>\u4f46\u5b9e\u9645\u4e2d\u6211\u4eec\u4e5f\u4f1a\u914d\u5408\u4ee5\u4e0b\u7b56\u7565\u6765\u4f18\u5316\u5199\u64cd\u4f5c&#xff1a;<\/p>\n<table>\n<tr>\u65b9\u6cd5\u63cf\u8ff0<\/tr>\n<tbody>\n<tr>\n<td>Cache Aside&#xff08;\u65c1\u8def\u7f13\u5b58&#xff09;<\/td>\n<td>\u5199\u6570\u636e\u5e93\u540e\u66f4\u65b0\u6216\u5220\u9664\u7f13\u5b58<\/td>\n<\/tr>\n<tr>\n<td>Write Through&#xff08;\u76f4\u5199\u7f13\u5b58&#xff09;<\/td>\n<td>\u540c\u6b65\u66f4\u65b0\u7f13\u5b58\u548c\u6570\u636e\u5e93&#xff08;\u4e00\u81f4\u6027\u9ad8&#xff0c;\u6027\u80fd\u5dee&#xff09;<\/td>\n<\/tr>\n<tr>\n<td>Write Behind&#xff08;\u5f02\u6b65\u5199&#xff09;<\/td>\n<td>\u66f4\u65b0\u7f13\u5b58\u540e\u5ef6\u8fdf\u5199\u5165\u6570\u636e\u5e93&#xff08;\u6027\u80fd\u597d&#xff0c;\u98ce\u9669\u9ad8&#xff09;<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>\u4e09\u3001\u7f13\u5b58\u7684\u66f4\u65b0\u7b56\u7565<\/h3>\n<p><font color=\"red\">\u63a5\u4e0b\u6765\u8fd8\u6709\u4e00\u4e2a\u91cd\u8981\u7684\u95ee\u9898&#xff0c;\u5230\u5e95\u54ea\u4e9b\u6570\u636e\u624d\u662f&#034;\u70ed\u70b9\u6570\u636e&#034;\u5462?<\/font><\/p>\n<p>1&#xff09;\u5b9a\u671f\u751f\u6210&#xff1a;\u6bcf\u9694\u4e00\u5b9a\u7684\u5468\u671f(\u6bd4\u5982\u4e00\u5929\/\u4e00\u5468\/\u4e00\u4e2a\u6708),\u5bf9\u4e8e\u8bbf\u95ee\u7684\u6570\u636e\u9891\u6b21\u8fdb\u884c\u7edf\u8ba1.\u6311\u9009\u51fa\u8bbf\u95ee\u9891\u6b21\u6700\u9ad8\u7684\u524d N%\u7684\u6570\u636e.<\/p>\n<p>\u4ee5\u641c\u7d22\u5f15\u64ce\u4e3a\u4f8b.<\/p>\n<ul>\n<li>\u7528\u6237\u5728\u641c\u7d22\u5f15\u64ce\u4e2d\u4f1a\u8f93\u5165\u4e00\u4e2a&#034;\u67e5\u8be2\u8bcd&#034;,\u6709\u4e9b\u8bcd\u662f\u5c5e\u4e8e\u9ad8\u9891\u7684,\u5927\u5bb6\u90fd\u7231\u635c(\u9c9c\u82b1,\u86cb\u7cd5,\u540c\u57ce\u4ea4\u53cb,\u4e0d\u5b55\u4e0d\u80b2\u2026).\u6709\u4e9b\u8bcd\u5c31\u5c5e\u4e8e\u4f4e\u9891\u7684,\u5927\u5bb6\u5f88\u5c11\u641c.<\/li>\n<li>\u641c\u7d22\u5f15\u64ce\u7684\u670d\u52a1\u5668\u4f1a\u628a\u54ea\u4e2a\u7528\u6237\u4ec0\u4e48\u65f6\u95f4\u641c\u4e86\u5565\u8bcd&#xff0c;\u90fd\u901a\u8fc7\u65e5\u5fd7\u7684\u65b9\u5f0f\u8bb0\u5f55\u7684\u660e\u660e\u767d\u767d\u3002\u7136\u540e\u6bcf\u9694\u4e00\u6bb5\u65f6\u95f4\u5bf9\u8fd9\u671f\u95f4\u7684\u641c\u7d22\u7ed3\u679c\u8fdb\u884c\u7edf\u8ba1(\u65e5\u5fd7\u7684\u6570\u91cf\u53ef\u80fd\u975e\u5e38\u5de8\u5927&#xff0c;\u8fd9\u4e2a\u7edf\u8ba1\u7684\u8fc7\u7a0b\u53ef\u80fd\u9700\u8981\u4f7f\u7528 hadoop \u6216\u8005 spark \u7b49\u65b9\u5f0f\u5b8c\u6210)\u3002\u4ece\u800c\u5c31\u53ef\u4ee5\u5f97\u5230&#034;\u9ad8\u9891\u8bcd\u8868&#034;<\/li>\n<\/ul>\n<p>\u8fd9\u79cd\u505a\u6cd5 \u5b9e\u65f6\u6027 \u8f83\u4f4e&#xff0c;\u5bf9\u4e8e\u4e00\u4e9b\u7a81\u7136\u60c5\u51b5\u5e94\u5bf9\u7684\u5e76\u4e0d\u597d\u3002\u6bd4\u5982\u6625\u8282\u671f\u95f4&#xff0c;\u201c\u6625\u665a&#034;\u8fd9\u6837\u7684\u8bcd\u5c31\u4f1a\u6210\u4e3a\u975e\u5e38\u9ad8\u9891\u7684\u8bcd&#xff0c;\u800c\u5e73\u65f6\u5219\u5f88\u5c11\u4f1a\u6709\u4eba\u641c\u7d22&#034;\u6625\u665a\u201d<\/p>\n<p>2&#xff09;\u5b9e\u65f6\u751f\u6210&#xff1a;\u5148\u7ed9\u7f13\u5b58\u8bbe\u5b9a\u5bb9\u91cf\u4e0a\u9650(\u53ef\u4ee5\u901a\u8fc7 Redis \u914d\u7f6e\u6587\u4ef6\u7684 maxmemory \u53c2\u6570\u8bbe\u5b9a)&#xff0c;\u63a5\u4e0b\u6765\u628a\u7528\u6237\u6bcf\u6b21\u67e5\u8be2:<\/p>\n<li>\u5982\u679c\u5728 Redis \u67e5\u5230\u4e86,\u5c31\u76f4\u63a5\u8fd4\u56de<\/li>\n<li>\u5982\u679c Redis \u4e2d\u4e0d\u5b58\u5728&#xff0c;\u5c31\u4ece\u6570\u636e\u5e93\u67e5&#xff0c;\u628a\u67e5\u5230\u7684\u7ed3\u679c\u540c\u65f6\u4e5f\u5199\u5165 Redis\u3002\u5982\u679c\u7f13\u5b58\u5df2\u7ecf\u6ee1\u4e86(\u8fbe\u5230\u4e0a\u9650)&#xff0c;\u5c31\u89e6\u53d1 \u7f13\u5b58\u66ff\u6362\u7b56\u7565&#xff0c;\u628a\u4e00\u4e9b&#034;\u76f8\u5bf9\u4e0d\u90a3\u4e48\u70ed\u95e8&#034;\u7684\u6570\u636e\u6dd8\u6c70\u6389<\/li>\n<h4>\u7f13\u5b58\u7684\u66ff\u6362\u7b56\u7565<\/h4>\n<p>\u5f53\u7f13\u5b58\u6ee1\u4e86&#xff0c;\u5c31\u9700\u8981\u51b3\u5b9a\u54ea\u4e9b\u6570\u636e\u88ab\u66ff\u6362\u51fa\u53bb&#xff1a;<\/p>\n<table>\n<tr>\u7b56\u7565\u8bf4\u660e<\/tr>\n<tbody>\n<tr>\n<td>FIFO&#xff08;\u5148\u8fdb\u5148\u51fa&#xff09;<\/td>\n<td>\u628a\u7f13\u5b58\u4e2d\u5b58\u5728\u65f6\u95f4\u6700\u4e45\u7684\u6dd8\u6c70<\/td>\n<\/tr>\n<tr>\n<td>LRU&#xff08;\u6dd8\u6c70\u6700\u4e45\u672a\u4f7f\u7528&#xff09;<\/td>\n<td>\u8bb0\u5f55\u6bcf\u4e2a key \u7684\u6700\u8fd1\u8bbf\u95ee\u65f6\u95f4&#xff0c;\u628a\u6700\u8fd1\u8bbf\u95ee\u65f6\u95f4\u6700\u957f\u7684\u6dd8\u6c70<\/td>\n<\/tr>\n<tr>\n<td>LFU&#xff08;\u6dd8\u6c70\u6700\u5c11\u4f7f\u7528&#xff09;<\/td>\n<td>\u8bb0\u5f55\u6bcf\u4e2a key \u7684\u6700\u8fd1\u7684\u8bbf\u95ee\u6b21\u6570&#xff0c;\u628a\u8bbf\u95ee\u6b21\u6570\u6700\u5c11\u7684\u6dd8\u6c70<\/td>\n<\/tr>\n<tr>\n<td>Random&#xff08;\u968f\u673a\u6dd8\u6c70&#xff09;<\/td>\n<td>\u4ece\u6240\u6709 key \u4e2d\u968f\u673a\u6dd8\u6c70<\/td>\n<\/tr>\n<tr>\n<td>ARC \/ CAR<\/td>\n<td>\u81ea\u9002\u5e94\u7f13\u5b58\u66ff\u6362\u7b97\u6cd5&#xff0c;\u66f4\u667a\u80fd<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u8fd9\u91cc\u7684\u6dd8\u6c70\u7b56\u7565,\u6211\u4eec\u53ef\u4ee5\u81ea\u5df1\u5b9e\u73b0&#xff0c;\u5f53\u7136 Redis \u4e5f\u63d0\u4f9b\u4e86\u5185\u7f6e\u7684\u6dd8\u6c70\u7b56\u7565&#xff0c;\u4e5f\u53ef\u4ee5\u4f9b\u6211\u4eec\u76f4\u63a5\u4f7f\u7528&#xff0c;Redis \u5185\u7f6e\u7684\u6dd8\u6c70\u7b56\u7565\u5982\u4e0b:<\/p>\n<li>volatile-lru&#xff1a;\u5f53\u5185\u5b58\u4e0d\u8db3\u4ee5\u5bb9\u7eb3\u65b0\u5199\u5165\u6570\u636e\u65f6&#xff0c;\u4ece\u8bbe\u7f6e\u4e86\u8fc7\u671f\u65f6\u95f4\u7684key\u4e2d\u4f7f\u7528LRU(\u6700\u8fd1\u6700\u5c11\u4f7f\u7528)\u7b97\u6cd5\u8fdb\u884c\u6dd8\u6c70<\/li>\n<li>allkeys-lru&#xff1a;\u5f53\u5185\u5b58\u4e0d\u8db3\u4ee5\u5bb9\u7eb3\u65b0\u5199\u5165\u6570\u636e\u65f6&#xff0c;\u4ece\u6240\u6709key\u4e2d\u4f7f\u7528LRU(\u6700\u8fd1\u6700\u5c11\u4f7f\u7528)\u7b97\u6cd5\u8fdb\u884c\u6dd8\u6c70.<\/li>\n<li>volatile-lfu&#xff1a;4.0\u7248\u672c\u65b0\u589e&#xff0c;\u5f53\u5185\u5b58\u4e0d\u8db3\u4ee5\u5bb9\u7eb3\u65b0\u5199\u5165\u6570\u636e\u65f6&#xff0c;\u5728\u8fc7\u671f\u7684key\u4e2d&#xff0c;\u4f7f\u7528LFU\u7b97\u6cd5\u8fdb\u884c\u5220\u9664key.<\/li>\n<li>allkeys-lfu&#xff1a;4.0\u7248\u672c\u65b0\u589e&#xff0c;\u5f53\u5185\u5b58\u4e0d\u8db3\u4ee5\u5bb9\u7eb3\u65b0\u5199\u5165\u6570\u636e\u65f6&#xff0c;\u4ece\u6240\u6709key\u4e2d\u4f7f\u7528LFU\u7b97\u6cd5\u8fdb\u884c\u6dd8\u6c70.<\/li>\n<li>volatile-random \u5f53\u5185\u5b58\u4e0d\u8db3\u4ee5\u5bb9\u7eb3\u65b0\u5199\u5165\u6570\u636e\u65f6&#xff0c;\u4ece\u8bbe\u7f6e\u4e86\u8fc7\u671f\u65f6\u95f4\u7684key\u4e2d&#xff0c;\u968f\u673a\u6dd8\u6c70\u6570\u636e<\/li>\n<li>allkeys-random &#xff1a;\u5f53\u5185\u5b58\u4e0d\u8db3\u4ee5\u5bb9\u7eb3\u65b0\u5199\u5165\u6570\u636e\u65f6&#xff0c;\u4ece\u6240\u6709key\u4e2d\u968f\u673a\u6dd8\u6c70\u6570\u636e<\/li>\n<li>volatile-ttl&#xff1a;\u5728\u8bbe\u7f6e\u4e86\u8fc7\u671f\u65f6\u95f4\u7684key\u4e2d&#xff0c;\u6839\u636e\u8fc7\u671f\u65f6\u95f4\u8fdb\u884c\u6dd8\u6c70&#xff0c;\u8d8a\u65e9\u8fc7\u671f\u7684\u4f18\u5148\u88ab\u6dd8\u6c70(\u76f8\u5f53\u4e8e FIFO,\u53ea\u4e0d\u8fc7\u662f\u5c40\u9650\u4e8e\u8fc7\u671f\u7684 key)<\/li>\n<li>noeviction&#xff1a;\u9ed8\u8ba4\u7b56\u7565&#xff0c;\u5f53\u5185\u5b58\u4e0d\u8db3\u4ee5\u5bb9\u7eb3\u65b0\u5199\u5165\u6570\u636e\u65f6&#xff0c;\u65b0\u5199\u5165\u64cd\u4f5c\u4f1a\u62a5\u9519<\/li>\n<p><font color=\"green\">\u6574\u4f53\u6765\u8bf4 Redis \u63d0\u4f9b\u7684\u7b56\u7565\u548c\u6211\u4eec\u4e0a\u8ff0\u4ecb\u7ecd\u7684\u901a\u7528\u7b56\u7565\u662f\u57fa\u672c\u4e00\u81f4\u7684&#xff0c;\u53ea\u4e0d\u8fc7 Redis \u8fd9\u91cc\u4f1a\u9488\u5bf9&#034;\u8fc7\u671fkey&#034;\u548c&#034;\u5168\u90e8 key&#034;\u505a\u5206\u522b\u5904\u7406.<\/font><\/p>\n<h3>\u56db\u3001\u5e38\u89c1\u7684\u7f13\u5b58\u95ee\u9898<\/h3>\n<table>\n<tr>\u95ee\u9898\u63cf\u8ff0\u89e3\u51b3\u65b9\u5f0f<\/tr>\n<tbody>\n<tr>\n<td>\u7f13\u5b58\u7a7f\u900f<\/td>\n<td>\u67e5\u8be2\u4e0d\u5b58\u5728\u7684\u6570\u636e<\/td>\n<td>\u4f7f\u7528\u7a7a\u503c\u7f13\u5b58\u3001\u5e03\u9686\u8fc7\u6ee4\u5668<\/td>\n<\/tr>\n<tr>\n<td>\u7f13\u5b58\u51fb\u7a7f<\/td>\n<td>\u70ed\u70b9\u6570\u636e\u8fc7\u671f\u77ac\u95f4\u5927\u91cf\u8bf7\u6c42\u538b\u57ae\u6570\u636e\u5e93<\/td>\n<td>\u8bbe\u7f6e\u6c38\u4e0d\u8fc7\u671f\u3001\u4e92\u65a5\u9501\u3001\u903b\u8f91\u8fc7\u671f\u65f6\u95f4<\/td>\n<\/tr>\n<tr>\n<td>\u7f13\u5b58\u96ea\u5d29<\/td>\n<td>\u5927\u91cf\u7f13\u5b58\u540c\u65f6\u5931\u6548&#xff0c;\u8bf7\u6c42\u5168\u90e8\u6253\u5230\u6570\u636e\u5e93<\/td>\n<td>\u8bbe\u7f6e\u4e0d\u540c\u8fc7\u671f\u65f6\u95f4\u3001\u52a0\u7f13\u5b58\u9884\u70ed\u3001\u9650\u6d41\u964d\u7ea7<\/td>\n<\/tr>\n<tr>\n<td>\u7f13\u5b58\u6c61\u67d3<\/td>\n<td>\u7f13\u5b58\u4e86\u51b7\u95e8\u6570\u636e&#xff0c;\u6d6a\u8d39\u7a7a\u95f4<\/td>\n<td>\u4f7f\u7528 LFU\u3001ARC \u66ff\u6362\u7b97\u6cd5<\/td>\n<\/tr>\n<tr>\n<td>\u7f13\u5b58\u4e0d\u4e00\u81f4<\/td>\n<td>Redis \u548c\u6570\u636e\u5e93\u6570\u636e\u4e0d\u4e00\u81f4<\/td>\n<td>\u4f7f\u7528 Cache Aside\u3001\u76d1\u542c Binlog\u3001\u5b9a\u65f6\u540c\u6b65<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h4>1. \u7f13\u5b58\u7a7f\u900f&#xff08;Cache penetration&#xff09;<\/h4>\n<p>\u5b9a\u4e49&#xff1a;\u67e5\u8be2\u4e00\u4e2a\u65e2\u4e0d\u5728\u7f13\u5b58\u4e5f\u4e0d\u5728\u6570\u636e\u5e93\u7684\u6570\u636e&#xff0c;\u5bfc\u81f4\u6240\u6709\u8bf7\u6c42\u90fd\u6253\u5230\u6570\u636e\u5e93\u4e0a<\/p>\n<ul>\n<li>\u6bd4\u5982&#xff1a;\u8bbf\u95ee\u7684 key \u5728 Redis \u548c \u6570\u636e\u5e93\u4e2d\u90fd\u4e0d\u5b58\u5728&#xff0c;\u6b64\u65f6\u8fd9\u6837\u7684 key\u4e0d\u4f1a\u88ab\u653e\u5230\u7f13\u5b58\u4e0a&#xff0c;\u540e\u7eed\u5982\u679c\u4ecd\u7136\u5728\u8bbf\u95ee\u8be5key&#xff0c;\u4f9d\u7136\u4f1a\u8bbf\u95ee\u5230\u6570\u636e\u5e93\u3002\u8fd9\u5c31\u4f1a\u5bfc\u81f4\u6570\u636e\u5e93\u627f\u62c5\u7684\u8bf7\u6c42\u592a\u591a&#xff0c;\u538b\u529b\u5f88\u5927<\/li>\n<\/ul>\n<p>\u5ba2\u6237\u7aef<br \/>\n   \u2193<br \/>\n\u4e1a\u52a1\u670d\u52a1\u5668&#xff08;\u5982 Java \/ Python \/ PHP&#xff09;<br \/>\n   \u2193<br \/>\n[\u5c1d\u8bd5\u4ece Redis \u83b7\u53d6\u6570\u636e]<br \/>\n   \u2199            \u2198<br \/>\n\u547d\u4e2d \u2705           \u672a\u547d\u4e2d \u274c<br \/>\n   \u2193                \u2193<br \/>\n\u8fd4\u56de Redis \u6570\u636e     [\u56de\u6e90\u5230 MySQL \u67e5\u8be2]<br \/>\n                   \u2193<br \/>\n                 \u5199\u5165 Redis&#xff08;\u53ef\u9009&#xff09;<br \/>\n                   \u2193<br \/>\n                 \u8fd4\u56de\u7ed9\u5ba2\u6237\u7aef<\/p>\n<p>\u8fd9\u5c31\u662f\u5178\u578b\u7684 \u7f13\u5b58\u7a7f\u900f\u673a\u5236 &#xff0c;\u4e5f\u662f\u5927\u591a\u6570\u7f51\u7ad9\u7f13\u5b58\u8bbe\u8ba1\u7684\u6807\u51c6\u505a\u6cd5<\/p>\n<p>\u539f\u56e0&#xff1a;<\/p>\n<ul>\n<li>\u975e\u6cd5 key \u67e5\u8be2&#xff08;\u5982\u653b\u51fb\u8005\u6784\u9020\u4e0d\u5b58\u5728\u7684 ID&#xff09;<\/li>\n<li>\u6570\u636e\u5220\u9664\u540e\u672a\u6e05\u7406\u7f13\u5b58<\/li>\n<li>\u722c\u866b\u6216\u6076\u610f\u5237\u63a5\u53e3<\/li>\n<\/ul>\n<p>\u89e3\u51b3\u65b9\u6848<\/p>\n<table>\n<tr>\u65b9\u6cd5\u63cf\u8ff0<\/tr>\n<tbody>\n<tr>\n<td>\u7a7a\u503c\u7f13\u5b58&#xff08;Null Caching&#xff09;<\/td>\n<td>\u5c06\u4e0d\u5b58\u5728\u7684 key \u7f13\u5b58\u4e3anull\u6216\u7279\u6b8a\u6807\u8bb0&#xff0c;\u5e76\u8bbe\u7f6e\u77ed TTL&#xff08;\u5982 5 \u5206\u949f&#xff09;<\/td>\n<\/tr>\n<tr>\n<td>\u5e03\u9686\u8fc7\u6ee4\u5668&#xff08;Bloom Filter&#xff09;<\/td>\n<td>\u5feb\u901f\u5224\u65ad\u67d0\u4e2a key \u662f\u5426\u5b58\u5728&#xff0c;\u907f\u514d\u65e0\u6548\u8bbf\u95ee\u6570\u636e\u5e93<\/td>\n<\/tr>\n<tr>\n<td>\u53c2\u6570\u6821\u9a8c<\/td>\n<td>\u5728\u4e1a\u52a1\u5c42\u589e\u52a0 ID \u5408\u6cd5\u6027\u68c0\u67e5&#xff08;\u5982\u624b\u673a\u53f7\u683c\u5f0f\u3001ID \u662f\u5426\u5408\u6cd5&#xff09;<\/td>\n<\/tr>\n<tr>\n<td>\u9650\u6d41\u964d\u7ea7<\/td>\n<td>\u4f7f\u7528\u4ee4\u724c\u6876\/\u6f0f\u6876\u7b97\u6cd5\u9650\u5236\u975e\u6cd5\u8bf7\u6c42\u9891\u7387<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h4>2. \u7f13\u5b58\u51fb\u7a7f&#xff08;Cache BreakDown&#xff09;<\/h4>\n<p>\u5b9a\u4e49&#xff1a;\u6307\u67d0\u4e2a\u70ed\u70b9 key \u8fc7\u671f\u77ac\u95f4&#xff0c;\u5927\u91cf\u5e76\u53d1\u8bf7\u6c42\u6d8c\u5165\u6570\u636e\u5e93&#xff0c;\u9020\u6210\u538b\u529b\u5cf0\u503c&#xff0c;\u751a\u81f3\u5f15\u8d77\u6570\u636e\u5e93\u5b95\u673a.&#xff08;\u76f8\u5f53\u4e8e\u7f13\u5b58\u96ea\u5d29\u7684\u7279\u6b8a\u60c5\u51b5&#xff09;<\/p>\n<p>\u7c7b\u6bd4&#xff1a;\u5c31\u50cf\u4f60\u8863\u670d\u53e3\u888b\u91cc\u7684\u8eab\u4efd\u8bc1\u8fc7\u671f\u4e86&#xff0c;\u6240\u6709\u4eba\u90fd\u8981\u5f00\u76ae\u7bb1\u627e \u2192 \u76ae\u7bb1\u88ab\u5835\u6b7b\u4e86&#xff01;<\/p>\n<p>\u89e3\u51b3\u65b9\u6848<\/p>\n<table>\n<tr>\u65b9\u6cd5\u63cf\u8ff0<\/tr>\n<tbody>\n<tr>\n<td>\u6c38\u4e0d\u8fc7\u671f\u7b56\u7565<\/td>\n<td>\u8bbe\u7f6e\u903b\u8f91\u8fc7\u671f\u65f6\u95f4&#xff0c;\u540e\u53f0\u5f02\u6b65\u66f4\u65b0\u6570\u636e<\/td>\n<\/tr>\n<tr>\n<td>\u4e92\u65a5\u9501&#xff08;Mutex&#xff09;<\/td>\n<td>\u53ea\u5141\u8bb8\u4e00\u4e2a\u7ebf\u7a0b\u56de\u6e90\u66f4\u65b0\u7f13\u5b58<\/td>\n<\/tr>\n<tr>\n<td>\u8bfb\u5199\u9501&#xff08;Read\/Write Lock&#xff09;<\/td>\n<td>\u63a7\u5236\u591a\u4e2a\u7ebf\u7a0b\u540c\u65f6\u8bfb&#xff0c;\u4f46\u53ea\u5141\u8bb8\u4e00\u4e2a\u7ebf\u7a0b\u5199<\/td>\n<\/tr>\n<tr>\n<td>\u5206\u5e03\u5f0f\u9501&#xff08;Redisson \/ Redlock&#xff09;<\/td>\n<td>\u591a\u8282\u70b9\u73af\u5883\u4e0b\u7edf\u4e00\u63a7\u5236\u7f13\u5b58\u91cd\u5efa\u8fc7\u7a0b<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h4>3. \u7f13\u5b58\u96ea\u5d29&#xff08;Cache avalanche&#xff09;<\/h4>\n<p>\u5b9a\u4e49&#xff1a;\u5927\u91cf key \u5728\u540c\u4e00\u65f6\u523b\u5931\u6548&#xff0c;\u5bfc\u81f4\u6570\u636e\u5e93\u77ac\u95f4\u627f\u53d7\u5de8\u5927\u538b\u529b&#xff0c;\u751a\u81f3\u76f4\u63a5\u5b95\u673a\u3002<\/p>\n<ul>\n<li>\u672c\u6765 Redis \u662f MySOL\u7684\u4e00\u4e2a\u62a4\u76fe&#xff0c;\u5e2e MySOL \u62b5\u6321\u4e86\u5f88\u591a\u5916\u90e8\u7684\u538b\u529b.\u4e00\u65e6\u62a4\u76fe\u7a81\u7136\u5931\u6548\u4e86&#xff0c;MySQL\u81ea\u8eab\u627f\u62c5\u7684\u538b\u529b\u9aa4\u589e&#xff0c;\u5c31\u53ef\u80fd\u76f4\u63a5\u5d29\u6e83.<\/li>\n<\/ul>\n<p>\u5e38\u89c1\u539f\u56e0&#xff1a;<\/p>\n<ul>\n<li>\u6240\u6709 key \u8bbe\u7f6e\u76f8\u540c\u7684\u8fc7\u671f\u65f6\u95f4<\/li>\n<li>Redis \u6574\u4f53\u5b95\u673a\u6062\u590d\u540e\u7f13\u5b58\u5168\u90e8\u5931\u6548<\/li>\n<\/ul>\n<p>\u5982\u4f55\u89e3\u51b3?<\/p>\n<table>\n<tr>\u65b9\u6cd5\u63cf\u8ff0<\/tr>\n<tbody>\n<tr>\n<td>\u8bbe\u7f6e\u968f\u673a\u8fc7\u671f\u65f6\u95f4<\/td>\n<td>\u5728\u57fa\u7840 TTL \u4e0a\u52a0\u4e00\u4e2a\u968f\u673a\u504f\u79fb&#xff08;\u5982 3600 &#043; random(0~300) \u79d2&#xff09;<\/td>\n<\/tr>\n<tr>\n<td>\u7f13\u5b58\u9884\u70ed<\/td>\n<td>\u7cfb\u7edf\u542f\u52a8\u65f6\u4e3b\u52a8\u52a0\u8f7d\u70ed\u70b9\u6570\u636e<\/td>\n<\/tr>\n<tr>\n<td>\u9ad8\u53ef\u7528\u67b6\u6784<\/td>\n<td>\u4f7f\u7528 Redis Cluster\u3001\u54e8\u5175\u6a21\u5f0f&#xff0c;\u4fdd\u8bc1\u7f13\u5b58\u670d\u52a1\u7a33\u5b9a<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h4>4. \u7f13\u5b58\u6c61\u67d3<\/h4>\n<p>&#x1f6a8; \u6307\u7f13\u5b58\u4e2d\u5b58\u50a8\u4e86\u5927\u91cf\u4f4e\u9891\u51b7\u95e8\u6570\u636e&#xff0c;\u6d6a\u8d39\u7a7a\u95f4&#xff0c;\u964d\u4f4e\u547d\u4e2d\u7387\u3002<\/p>\n<p>&#x1f9e0; \u4e3e\u4f8b&#xff1a;<\/p>\n<ul>\n<li>\u7528\u6237\u641c\u7d22\u201c\u5468\u6770\u4f26\u201d\u5f88\u9891\u7e41 \u2192 \u5e94\u8be5\u7f13\u5b58<\/li>\n<li>\u7528\u6237\u641c\u7d22\u201ca\u201d\u3001\u201cb\u201d\u3001\u201cc\u201d \u2192 \u4e0d\u5e94\u8be5\u7f13\u5b58<\/li>\n<\/ul>\n<p>\u89e3\u51b3\u65b9\u6848&#xff1a;<\/p>\n<table>\n<tr>\u65b9\u6cd5\u63cf\u8ff0<\/tr>\n<tbody>\n<tr>\n<td>\u4f7f\u7528 LFU \u66ff\u6362\u7b56\u7565<\/td>\n<td>\u6dd8\u6c70\u6700\u5c11\u4f7f\u7528\u7684 key<\/td>\n<\/tr>\n<tr>\n<td>\u8bbe\u7f6e\u6700\u5927\u5185\u5b58 &#043; LRU \u6dd8\u6c70\u7b56\u7565<\/td>\n<td>\u81ea\u52a8\u6dd8\u6c70\u6700\u4e45\u672a\u4f7f\u7528\u7684 key<\/td>\n<\/tr>\n<tr>\n<td>\u533a\u5206\u51b7\u70ed\u6570\u636e<\/td>\n<td>\u70ed\u70b9\u6570\u636e\u5355\u72ec\u7f13\u5b58&#xff0c;\u51b7\u95e8\u6570\u636e\u4e0d\u7f13\u5b58<\/td>\n<\/tr>\n<tr>\n<td>\u4f7f\u7528 ARC \/ CAR \u7b97\u6cd5<\/td>\n<td>\u66f4\u667a\u80fd\u5730\u7ba1\u7406\u7f13\u5b58\u751f\u547d\u5468\u671f<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h5>\u5173\u4e8e \u7f13\u5b58\u9884\u70ed&#xff08;Cache preheating&#xff09;<\/h5>\n<p>\u80cc\u666f&#xff1a;\u4f7f\u7528 Redis \u4f5c\u4e3a MySQL \u7684\u7f13\u5b58\u7684\u65f6\u5019&#xff0c;\u5f53 Redis \u521a\u521a\u542f\u52a8&#xff0c;\u6216\u8005 Redis \u5927\u6279 key\u5931\u6548\u4e4b\u540e&#xff0c;\u6b64\u65f6\u7531\u4e8eRedis \u81ea\u8eab\u76f8\u5f53\u4e8e\u662f\u7a7a\u7740\u7684&#xff0c;\u6ca1\u5565\u7f13\u5b58\u6570\u636e&#xff0c;\u90a3\u4e48 MySOL\u5c31\u53ef\u80fd\u76f4\u63a5\u88ab\u8bbf\u95ee\u5230&#xff0c;\u4ece\u800c\u9020\u6210\u8f83\u5927\u7684\u538b\u529b<\/p>\n<ul>\n<li>\u56e0\u6b64\u5c31\u9700\u8981\u63d0\u524d\u628a\u70ed\u70b9\u6570\u636e\u51c6\u5907\u597d,\u76f4\u63a5\u5199\u5165\u5230 Redis \u4e2d.\u4f7f Redis \u53ef\u4ee5\u5c3d\u5feb\u4e3a MySQL \u6491\u8d77\u4fdd\u62a4\u4f1e<\/li>\n<\/ul>\n<p>\u70ed\u70b9\u6570\u636e\u53ef\u4ee5\u57fa\u4e8e\u4e4b\u524d\u4ecb\u7ecd\u7684\u7edf\u8ba1\u7684\u65b9\u5f0f\u751f\u6210\u5373\u53ef&#xff0c;\u8fd9\u4efd\u70ed\u70b9\u6570\u636e\u4e0d\u4e00\u5b9a\u975e\u5f97\u90a3\u4e48&#034;\u51c6\u786e&#034;&#xff0c;\u53ea\u8981\u80fd\u5e2e\u52a9MySQL\u62b5\u6321\u5927\u90e8\u5206\u8bf7\u6c42\u5373\u53ef\u3002\u968f\u7740\u7a0b\u5e8f\u8fd0\u884c\u7684\u63a8\u79fb&#xff0c;\u7f13\u5b58\u7684\u70ed\u70b9\u6570\u636e\u4f1a\u9010\u6e10\u81ea\u52a8\u8c03\u6574\u6765\u9002\u5e94\u5f53\u524d\u60c5\u51b5<\/p>\n<h4>5. \u7f13\u5b58\u4e0d\u4e00\u81f4<\/h4>\n<p>&#x1f6a8; \u7f13\u5b58\u548c\u6570\u636e\u5e93\u4e4b\u95f4\u7684\u6570\u636e\u4e0d\u540c\u6b65&#xff0c;\u5bfc\u81f4\u8bfb\u53d6\u65e7\u6570\u636e\u3002<\/p>\n<p>&#x1f9e0; \u5e38\u89c1\u573a\u666f&#xff1a;<\/p>\n<ul>\n<li>\u5148\u5199\u6570\u636e\u5e93&#xff0c;\u518d\u5220\u7f13\u5b58&#xff08;\u53ef\u80fd\u5931\u8d25&#xff09;<\/li>\n<li>\u5148\u5220\u7f13\u5b58&#xff0c;\u518d\u5199\u6570\u636e\u5e93&#xff08;\u53ef\u80fd\u4e2d\u95f4\u63d2\u5165\u810f\u6570\u636e&#xff09;<\/li>\n<\/ul>\n<p>&#x1f510; \u89e3\u51b3\u65b9\u6848&#xff1a;<\/p>\n<table>\n<tr>\u65b9\u6cd5\u63cf\u8ff0<\/tr>\n<tbody>\n<tr>\n<td>Cache Aside&#xff08;\u65c1\u8def\u7f13\u5b58&#xff09;<\/td>\n<td>\u6700\u5e38\u7528\u65b9\u5f0f&#xff0c;\u624b\u52a8\u7ef4\u62a4\u4e00\u81f4\u6027<\/td>\n<\/tr>\n<tr>\n<td>Write Through&#xff08;\u76f4\u5199\u7f13\u5b58&#xff09;<\/td>\n<td>\u540c\u6b65\u66f4\u65b0\u7f13\u5b58\u548c\u6570\u636e\u5e93&#xff08;\u9002\u5408\u5f3a\u4e00\u81f4\u6027&#xff09;<\/td>\n<\/tr>\n<tr>\n<td>Write Behind&#xff08;\u5ef6\u8fdf\u5199\u5165&#xff09;<\/td>\n<td>\u5f02\u6b65\u5199\u5165\u6570\u636e\u5e93&#xff0c;\u6027\u80fd\u597d\u4f46\u98ce\u9669\u9ad8<\/td>\n<\/tr>\n<tr>\n<td>\u76d1\u542c Binlog \u66f4\u65b0\u7f13\u5b58<\/td>\n<td>MySQL \u7684 binlog \u76d1\u542c &#043; Kafka &#043; Redis \u540c\u6b65<\/td>\n<\/tr>\n<tr>\n<td>\u5b9a\u65f6\u540c\u6b65\u673a\u5236<\/td>\n<td>\u5b9a\u65f6\u4efb\u52a1\u626b\u63cf\u6570\u636e\u5e93\u66f4\u65b0\u7f13\u5b58&#xff08;\u9002\u5408\u975e\u5b9e\u65f6\u573a\u666f&#xff09;<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><font color=\"#f00056\"> \u3010\u2605,\u00b0:.\u2606(&#xffe3;\u25bd&#xffe3;)\/$:.\u00b0\u2605 \u3011\u90a3\u4e48\u672c\u7bc7\u5230\u6b64\u5c31\u7ed3\u675f\u5566&#xff0c;\u5982\u679c\u6709\u4e0d\u61c2 \u548c \u53d1\u73b0\u95ee\u9898\u7684\u5c0f\u4f19\u4f34\u53ef\u4ee5\u5728\u8bc4\u8bba\u533a\u8bf4\u51fa\u6765\u54e6&#xff0c;\u540c\u65f6\u6211\u8fd8\u4f1a\u7ee7\u7eed\u66f4\u65b0\u5173\u4e8e\u3010Redis\u3011\u7684\u5185\u5bb9&#xff0c;\u8bf7\u6301\u7eed\u5173\u6ce8\u6211 &#xff01;&#xff01;<\/font><\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/03\/20260303151738-69a6fb921c025.png\" 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