{"id":126529,"date":"2024-10-26T05:29:17","date_gmt":"2024-10-25T21:29:17","guid":{"rendered":"https:\/\/server.hk\/cnblog\/126529\/"},"modified":"2024-10-26T05:29:17","modified_gmt":"2024-10-25T21:29:17","slug":"redis-%e5%85%a7%e5%ad%98%e9%87%8b%e6%94%be%e6%8a%80%e5%b7%a7%e6%8f%90%e5%8d%87%e6%80%a7%e8%83%bd","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/126529\/","title":{"rendered":"Redis \u5167\u5b58\u91cb\u653e\u6280\u5de7\u63d0\u5347\u6027\u80fd"},"content":{"rendered":"<h1 id=\"redis-%e5%85%a7%e5%ad%98%e9%87%8b%e6%94%be%e6%8a%80%e5%b7%a7%e6%8f%90%e5%8d%87%e6%80%a7%e8%83%bd-MOzCoRhZdA\">Redis \u5167\u5b58\u91cb\u653e\u6280\u5de7\u63d0\u5347\u6027\u80fd<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u6578\u64da\u9a45\u52d5\u4e16\u754c\u4e2d\uff0cRedis \u4f5c\u70ba\u4e00\u7a2e\u9ad8\u6548\u7684\u5167\u5b58\u6578\u64da\u5eab\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u7de9\u5b58\u3001\u6d88\u606f\u968a\u5217\u548c\u5be6\u6642\u6578\u64da\u8655\u7406\u7b49\u5834\u666f\u3002\u96a8\u8457\u61c9\u7528\u7a0b\u5e8f\u7684\u589e\u9577\uff0cRedis \u7684\u5167\u5b58\u7ba1\u7406\u6210\u70ba\u4e86\u6027\u80fd\u512a\u5316\u7684\u91cd\u8981\u4e00\u74b0\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u4e00\u4e9b Redis \u5167\u5b58\u91cb\u653e\u7684\u6280\u5de7\uff0c\u4ee5\u63d0\u5347\u5176\u6027\u80fd\u3002<\/p>\n<h2 id=\"1-%e7%90%86%e8%a7%a3-redis-%e7%9a%84%e5%85%a7%e5%ad%98%e7%ae%a1%e7%90%86-MOzCoRhZdA\">1. \u7406\u89e3 Redis \u7684\u5167\u5b58\u7ba1\u7406<\/h2>\n<p>Redis \u4f7f\u7528\u4e00\u7a2e\u7a31\u70ba\u300c\u5167\u5b58\u5206\u914d\u5668\u300d\u7684\u6a5f\u5236\u4f86\u7ba1\u7406\u5167\u5b58\u3002\u5b83\u7684\u5167\u5b58\u5206\u914d\u7b56\u7565\u4e3b\u8981\u57fa\u65bc jemalloc \u6216 tcmalloc\uff0c\u9019\u4e9b\u5206\u914d\u5668\u80fd\u5920\u6709\u6548\u5730\u8655\u7406\u5c0f\u584a\u5167\u5b58\u7684\u5206\u914d\u548c\u91cb\u653e\u3002\u7136\u800c\uff0c\u96a8\u8457\u6642\u9593\u7684\u63a8\u79fb\uff0cRedis \u53ef\u80fd\u6703\u51fa\u73fe\u5167\u5b58\u788e\u7247\u5316\u7684\u554f\u984c\uff0c\u9019\u6703\u5f71\u97ff\u6027\u80fd\u3002\u56e0\u6b64\uff0c\u4e86\u89e3\u5982\u4f55\u91cb\u653e\u5167\u5b58\u662f\u81f3\u95dc\u91cd\u8981\u7684\u3002<\/p>\n<h2 id=\"2-%e4%bd%bf%e7%94%a8%e9%81%a9%e7%95%b6%e7%9a%84%e6%95%b8%e6%93%9a%e7%b5%90%e6%a7%8b-MOzCoRhZdA\">2. \u4f7f\u7528\u9069\u7576\u7684\u6578\u64da\u7d50\u69cb<\/h2>\n<p>Redis \u63d0\u4f9b\u4e86\u591a\u7a2e\u6578\u64da\u7d50\u69cb\uff0c\u5982\u5b57\u7b26\u4e32\u3001\u54c8\u5e0c\u3001\u5217\u8868\u3001\u96c6\u5408\u548c\u6709\u5e8f\u96c6\u5408\u3002\u9078\u64c7\u5408\u9069\u7684\u6578\u64da\u7d50\u69cb\u53ef\u4ee5\u6709\u6548\u6e1b\u5c11\u5167\u5b58\u4f7f\u7528\u3002\u4f8b\u5982\uff0c\u7576\u9700\u8981\u5b58\u5132\u5927\u91cf\u5c0f\u9375\u503c\u5c0d\u6642\uff0c\u4f7f\u7528\u54c8\u5e0c\u7d50\u69cb\u800c\u4e0d\u662f\u5b57\u7b26\u4e32\u53ef\u4ee5\u7bc0\u7701\u5167\u5b58\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u793a\u4f8b\uff1a<\/p>\n<pre><code>\n# \u4f7f\u7528\u5b57\u7b26\u4e32\nSET user:1000 \"John Doe\"\n\n# \u4f7f\u7528\u54c8\u5e0c\nHSET user:1000 name \"John Doe\"\n<\/code><\/pre>\n<h2 id=\"3-%e8%a8%ad%e5%ae%9a%e5%90%88%e7%90%86%e7%9a%84%e9%81%8e%e6%9c%9f%e6%99%82%e9%96%93-MOzCoRhZdA\">3. \u8a2d\u5b9a\u5408\u7406\u7684\u904e\u671f\u6642\u9593<\/h2>\n<p>Redis \u5141\u8a31\u70ba\u9375\u8a2d\u7f6e\u904e\u671f\u6642\u9593\uff0c\u9019\u6a23\u53ef\u4ee5\u81ea\u52d5\u91cb\u653e\u4e0d\u518d\u9700\u8981\u7684\u6578\u64da\u3002\u901a\u904e\u5408\u7406\u8a2d\u7f6e\u904e\u671f\u6642\u9593\uff0c\u53ef\u4ee5\u6e1b\u5c11\u5167\u5b58\u7684\u4f7f\u7528\u3002\u4f8b\u5982\uff0c\u5c0d\u65bc\u7de9\u5b58\u6578\u64da\uff0c\u53ef\u4ee5\u8a2d\u7f6e\u8f03\u77ed\u7684\u904e\u671f\u6642\u9593\uff0c\u4ee5\u4fbf\u53ca\u6642\u91cb\u653e\u5167\u5b58\uff1a<\/p>\n<pre><code>\nSETEX session:12345 3600 \"session_data\"\n<\/code><\/pre>\n<h2 id=\"4-%e4%bd%bf%e7%94%a8%e5%85%a7%e5%ad%98%e5%9b%9e%e6%94%b6%e7%ad%96%e7%95%a5-MOzCoRhZdA\">4. \u4f7f\u7528\u5167\u5b58\u56de\u6536\u7b56\u7565<\/h2>\n<p>Redis \u63d0\u4f9b\u4e86\u591a\u7a2e\u5167\u5b58\u56de\u6536\u7b56\u7565\uff0c\u5982 LRU\uff08\u6700\u8fd1\u6700\u5c11\u4f7f\u7528\uff09\u3001LFU\uff08\u6700\u4e0d\u5e38\u4f7f\u7528\uff09\u548c TTL\uff08\u904e\u671f\u6642\u9593\uff09\u3002\u6839\u64da\u61c9\u7528\u5834\u666f\u9078\u64c7\u5408\u9069\u7684\u7b56\u7565\uff0c\u53ef\u4ee5\u6709\u6548\u7ba1\u7406\u5167\u5b58\u3002\u4f8b\u5982\uff0c\u5c0d\u65bc\u9700\u8981\u983b\u7e41\u66f4\u65b0\u7684\u6578\u64da\uff0c\u53ef\u4ee5\u9078\u64c7 LRU \u7b56\u7565\uff1a<\/p>\n<pre><code>\n# \u8a2d\u5b9a\u6700\u5927\u5167\u5b58\u548c\u56de\u6536\u7b56\u7565\nCONFIG SET maxmemory 256mb\nCONFIG SET maxmemory-policy allkeys-lru\n<\/code><\/pre>\n<h2 id=\"5-%e5%ae%9a%e6%9c%9f%e9%87%8d%e5%95%9f-redis-%e5%af%a6%e4%be%8b-MOzCoRhZdA\">5. \u5b9a\u671f\u91cd\u555f Redis \u5be6\u4f8b<\/h2>\n<p>\u96a8\u8457\u6642\u9593\u7684\u63a8\u79fb\uff0cRedis \u7684\u5167\u5b58\u4f7f\u7528\u53ef\u80fd\u6703\u589e\u52a0\uff0c\u9019\u662f\u7531\u65bc\u5167\u5b58\u788e\u7247\u5316\u548c\u672a\u91cb\u653e\u7684\u5167\u5b58\u9020\u6210\u7684\u3002\u5b9a\u671f\u91cd\u555f Redis \u5be6\u4f8b\u53ef\u4ee5\u6e05\u7406\u9019\u4e9b\u554f\u984c\uff0c\u6062\u5fa9\u5167\u5b58\u4f7f\u7528\u6548\u7387\u3002\u96d6\u7136\u9019\u4e0d\u662f\u4e00\u500b\u9577\u671f\u89e3\u6c7a\u65b9\u6848\uff0c\u4f46\u5728\u67d0\u4e9b\u60c5\u6cc1\u4e0b\u53ef\u4ee5\u4f5c\u70ba\u81e8\u6642\u63aa\u65bd\u3002<\/p>\n<h2 id=\"6-%e7%9b%a3%e6%8e%a7%e5%85%a7%e5%ad%98%e4%bd%bf%e7%94%a8%e6%83%85%e6%b3%81-MOzCoRhZdA\">6. \u76e3\u63a7\u5167\u5b58\u4f7f\u7528\u60c5\u6cc1<\/h2>\n<p>\u4f7f\u7528 Redis \u7684\u5167\u5efa\u547d\u4ee4\uff0c\u5982 <code>INFO memory<\/code>\uff0c\u53ef\u4ee5\u76e3\u63a7\u5167\u5b58\u7684\u4f7f\u7528\u60c5\u6cc1\u3002\u901a\u904e\u5b9a\u671f\u6aa2\u67e5\u5167\u5b58\u4f7f\u7528\u60c5\u6cc1\uff0c\u53ef\u4ee5\u53ca\u6642\u767c\u73fe\u554f\u984c\u4e26\u9032\u884c\u8abf\u6574\uff1a<\/p>\n<pre><code>\nINFO memory\n<\/code><\/pre>\n<h2 id=\"%e7%b8%bd%e7%b5%90-MOzCoRhZdA\">\u7e3d\u7d50<\/h2>\n<p>\u901a\u904e\u7406\u89e3 Redis \u7684\u5167\u5b58\u7ba1\u7406\u6a5f\u5236\u3001\u9078\u64c7\u5408\u9069\u7684\u6578\u64da\u7d50\u69cb\u3001\u8a2d\u7f6e\u5408\u7406\u7684\u904e\u671f\u6642\u9593\u3001\u4f7f\u7528\u5167\u5b58\u56de\u6536\u7b56\u7565\u3001\u5b9a\u671f\u91cd\u555f\u5be6\u4f8b\u4ee5\u53ca\u76e3\u63a7\u5167\u5b58\u4f7f\u7528\u60c5\u6cc1\uff0c\u53ef\u4ee5\u6709\u6548\u63d0\u5347 Redis \u7684\u6027\u80fd\u3002\u9019\u4e9b\u6280\u5de7\u4e0d\u50c5\u80fd\u5920\u5e6b\u52a9\u958b\u767c\u8005\u512a\u5316\u61c9\u7528\u7a0b\u5e8f\uff0c\u9084\u80fd\u5728\u4f7f\u7528 <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u6216\u5176\u4ed6\u4f3a\u670d\u5668\u6642\uff0c\u78ba\u4fdd\u8cc7\u6e90\u7684\u9ad8\u6548\u5229\u7528\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u6027\u80fd\u6578\u64da\u8655\u7406\u7684\u61c9\u7528\uff0c\u9019\u4e9b\u5167\u5b58\u91cb\u653e\u6280\u5de7\u5c07\u662f\u4e0d\u53ef\u6216\u7f3a\u7684\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22Redis\u5167\u5b58\u91cb\u653e\u6280\u5de7\uff0c\u63d0\u5347\u6027\u80fd\uff0c\u512a\u5316\u8cc7\u6e90\u4f7f\u7528\uff0c\u78ba\u4fdd\u9ad8\u6548\u6578\u64da\u8655\u7406\u8207\u5feb\u901f\u97ff\u61c9\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-126529","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/126529","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=126529"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/126529\/revisions"}],"predecessor-version":[{"id":126530,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/126529\/revisions\/126530"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=126529"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=126529"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=126529"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}