{"id":201785,"date":"2025-05-10T08:13:38","date_gmt":"2025-05-10T00:13:38","guid":{"rendered":"https:\/\/server.hk\/cnblog\/201785\/"},"modified":"2025-05-10T08:13:38","modified_gmt":"2025-05-10T00:13:38","slug":"redis%e5%9c%a8%e6%8e%a8%e8%8d%90%e7%b3%bb%e7%bb%9f%e4%b8%ad%e7%9a%84%e5%ba%94%e7%94%a8%e5%ae%9e%e4%be%8b","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/201785\/","title":{"rendered":"Redis\u5728\u63a8\u8350\u7cfb\u7edf\u4e2d\u7684\u5e94\u7528\u5b9e\u4f8b"},"content":{"rendered":"

<\/b> <\/p>\n

Redis\u5728\u63a8\u8350\u7cfb\u7edf\u4e2d\u7684\u5e94\u7528\u5b9e\u4f8b<\/h1>\n

IT\u884c\u4e1a\u76f8\u5bf9\u4e8e\u4e00\u822c\u4f20\u7edf\u884c\u4e1a\uff0c\u53d1\u5c55\u66f4\u65b0\u901f\u5ea6\u66f4\u5feb\uff0c\u4e00\u65e6\u505c\u6b62\u4e86\u5b66\u4e60\uff0c\u5f88\u5feb\u5c31\u4f1a\u88ab\u884c\u4e1a\u6240\u6dd8\u6c70\u3002\u6240\u4ee5\u6211\u4eec\u9700\u8981\u8e0f\u8e0f\u5b9e\u5b9e\u7684\u4e0d\u65ad\u5b66\u4e60\uff0c\u7cbe\u8fdb\u81ea\u5df1\u7684\u6280\u672f\uff0c\u5c24\u5176\u662f\u521d\u5b66\u8005\u3002\u4eca\u5929golang\u5b66\u4e60\u7f51\u7ed9\u5927\u5bb6\u6574\u7406\u4e86\u300aRedis\u5728\u63a8\u8350\u7cfb\u7edf\u4e2d\u7684\u5e94\u7528\u5b9e\u4f8b\u300b\uff0c\u804a\u804a\uff0c\u6211\u4eec\u4e00\u8d77\u6765\u770b\u770b\u5427\uff01<\/p>\n

Redis\u5728\u63a8\u8350\u7cfb\u7edf\u4e2d\u7684\u5e94\u7528\u5b9e\u4f8b<\/p>\n

\u968f\u7740\u4e92\u8054\u7f51\u7684\u53d1\u5c55\u548c\u4fe1\u606f\u7684\u7206\u70b8\u5f0f\u589e\u957f\uff0c\u4fe1\u606f\u7684\u8fc7\u8f7d\u5df2\u7ecf\u6210\u4e3a\u4e86\u5f71\u54cd\u4eba\u4eec\u83b7\u53d6\u4fe1\u606f\u7684\u4e00\u4e2a\u4e3b\u8981\u95ee\u9898\u3002\u56e0\u6b64\uff0c\u63a8\u8350\u7cfb\u7edf\u5e94\u8fd0\u800c\u751f\uff0c\u5b83\u53ef\u4ee5\u901a\u8fc7\u7b97\u6cd5\u9884\u6d4b\u7528\u6237\u7684\u884c\u4e3a\uff0c\u63d0\u4f9b\u4e2a\u6027\u5316\u7684\u63a8\u8350\u670d\u52a1\uff0c\u5927\u5927\u63d0\u9ad8\u4e86\u7528\u6237\u4f53\u9a8c\u548c\u4ea7\u54c1\u5229\u6da6\u3002<\/p>\n

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\u4e00\u3001\u5b58\u50a8\u7528\u6237\u884c\u4e3a\u6570\u636e<\/p>\n

\u63a8\u8350\u7cfb\u7edf\u7684\u6838\u5fc3\u662f\u5bf9\u7528\u6237\u884c\u4e3a\u6570\u636e\u8fdb\u884c\u5efa\u6a21\u548c\u5206\u6790\uff0c\u56e0\u6b64\u5b58\u50a8\u7528\u6237\u884c\u4e3a\u6570\u636e\u662f\u63a8\u8350\u7cfb\u7edf\u7684\u9996\u8981\u4efb\u52a1\u3002Redis\u7684\u6301\u4e45\u5316\u652f\u6301\u548c\u9ad8\u6548\u7684\u5185\u5b58\u5b58\u50a8\u4f7f\u5f97\u5b83\u6210\u4e3a\u5b58\u50a8\u7528\u6237\u884c\u4e3a\u7684\u4f18\u9009\u65b9\u6848\u3002\u5728Redis\u4e2d\uff0c\u7528\u6237\u884c\u4e3a\u53ef\u4ee5\u4f7f\u7528hash\u7ed3\u6784\u8fdb\u884c\u5b58\u50a8\uff0c\u5176\u4e2dkey\u4e3a\u7528\u6237\u7684ID\uff0cvalue\u4e3a\u7528\u6237\u7684\u884c\u4e3a\u4fe1\u606f\u3002\u6bd4\u5982\uff1a<\/p>\n

HSET user_1 item_1 1
HSET user_1 item_2 0
HSET user_1 item_3 1
HSET user_2 item_1 0
HSET user_2 item_2 1
HSET user_2 item_3 1<\/p>\n

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\u4e8c\u3001\u751f\u6210\u63a8\u8350\u7ed3\u679c<\/p>\n

\u63a8\u8350\u7cfb\u7edf\u9700\u8981\u4f7f\u7528\u7b97\u6cd5\u5bf9\u7528\u6237\u884c\u4e3a\u6570\u636e\u8fdb\u884c\u5904\u7406\u6765\u751f\u6210\u63a8\u8350\u7ed3\u679c\u3002\u4e00\u4e9b\u5e38\u7528\u7684\u63a8\u8350\u7b97\u6cd5\u5305\u62ec\u57fa\u4e8e\u5185\u5bb9\u7684\u63a8\u8350\u3001\u534f\u540c\u8fc7\u6ee4\u63a8\u8350\u7b49\u3002\u8fd9\u4e9b\u7b97\u6cd5\u9700\u8981\u5bf9\u7528\u6237\u884c\u4e3a\u6570\u636e\u8fdb\u884c\u5206\u6790\u8ba1\u7b97\uff0c\u800cRedis\u6b63\u662f\u4e00\u4e2a\u975e\u5e38\u9002\u5408\u8fdb\u884c\u8ba1\u7b97\u7684\u5de5\u5177\u3002<\/p>\n

\u5728Redis\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528sorted set\u7ed3\u6784\u6765\u5b9e\u73b0\u57fa\u4e8e\u6253\u5206\u7684\u63a8\u8350\u7b97\u6cd5\u3002sorted set\u662f\u4e00\u4e2a\u53ef\u4ee5\u6309\u7167\u67d0\u4e2a\u6743\u91cd\u503c\u6765\u6392\u5e8f\u7684\u96c6\u5408\uff0c\u8fd9\u4e2a\u6743\u91cd\u503c\u53ef\u4ee5\u662f\u4efb\u4f55\u6570\u503c\u7c7b\u578b\uff0c\u4f8b\u5982\u65f6\u95f4\u6233\u3001\u7528\u6237\u8bc4\u5206\u7b49\u3002\u63a8\u8350\u7cfb\u7edf\u4e2d\u53ef\u4ee5\u5c06\u6bcf\u4e2a\u7528\u6237\u5bf9\u7269\u54c1\u7684\u6253\u5206\u4f5c\u4e3asorted set\u4e2d\u7684score\uff0c\u5c06\u7269\u54c1ID\u4f5c\u4e3asorted set\u4e2d\u7684member\uff0c\u7136\u540e\u8ba1\u7b97\u4e00\u4e2a\u7528\u6237\u7684\u7269\u54c1\u6392\u5e8f\u5217\u8868\uff0c\u5373\u53ef\u751f\u6210\u8be5\u7528\u6237\u7684\u63a8\u8350\u7ed3\u679c\u3002<\/p>\n

\u4e09\u3001\u4f7f\u7528Redis\u4f5c\u4e3a\u7f13\u5b58<\/p>\n

\u63a8\u8350\u7cfb\u7edf\u5728\u5b9e\u73b0\u4e2d\u9700\u8981\u8ba1\u7b97\u5927\u91cf\u7684\u6570\u636e\uff0c\u800c\u8fd9\u4e9b\u8ba1\u7b97\u9700\u8981\u6d88\u8017\u5927\u91cf\u7684\u65f6\u95f4\u548c\u8ba1\u7b97\u8d44\u6e90\u3002\u4e3a\u4e86\u51cf\u5c11\u8ba1\u7b97\u91cf\u548c\u63d0\u9ad8\u63a8\u8350\u901f\u5ea6\uff0c\u5f88\u591a\u63a8\u8350\u7cfb\u7edf\u9700\u8981\u4f7f\u7528\u7f13\u5b58\u6765\u5b58\u50a8\u8ba1\u7b97\u7ed3\u679c\u3002Redis\u7684\u9ad8\u6548\u5b58\u50a8\u548c\u8bfb\u53d6\u4f7f\u5f97\u5b83\u6210\u4e3a\u5f88\u591a\u63a8\u8350\u7cfb\u7edf\u4e2d\u4f7f\u7528\u7684\u7f13\u5b58\u7cfb\u7edf\u4e4b\u4e00\u3002<\/p>\n

\u5728Redis\u4e2d\uff0c\u63a8\u8350\u7ed3\u679c\u53ef\u4ee5\u4f7f\u7528redis hash\u3001list\u7b49\u7ed3\u6784\u6765\u5b58\u50a8\u3002\u4ee5hash\u7ed3\u6784\u4e3a\u4f8b\uff1a<\/p>\n

HSET user_1_recommendations item_1 0.82
HSET user_1_recommendations item_3 0.75
HSET user_1_recommendations item_5 0.71<\/p>\n

\u4e0a\u8ff0\u4ee3\u7801\u8868\u793a\u7528\u62371\u7684\u63a8\u8350\u7ed3\u679c\uff0c\u5176\u4e2ditem_N\u8868\u793a\u7269\u54c1ID\uff0c0.82\u8868\u793a\u8be5\u7269\u54c1\u7684\u63a8\u8350\u5f97\u5206\u3002\u7528\u6237\u8bbf\u95ee\u63a8\u8350\u7ed3\u679c\u65f6\uff0c\u53ef\u4ee5\u76f4\u63a5\u4eceRedis\u4e2d\u8bfb\u53d6\u7ed3\u679c\uff0c\u800c\u4e0d\u9700\u8981\u91cd\u65b0\u8fdb\u884c\u8ba1\u7b97\uff0c\u4ece\u800c\u63d0\u5347\u63a8\u8350\u901f\u5ea6\u3002<\/p>\n

\u603b\u7ed3<\/p>\n

Redis\u5728\u63a8\u8350\u7cfb\u7edf\u4e2d\u7684\u5e94\u7528\u975e\u5e38\u5e7f\u6cdb\uff0c\u5b83\u53ef\u4ee5\u5b58\u50a8\u7528\u6237\u884c\u4e3a\u6570\u636e\u3001\u8ba1\u7b97\u63a8\u8350\u7ed3\u679c\u3001\u4f5c\u4e3a\u7f13\u5b58\u7cfb\u7edf\u7b49\u7b49\u3002\u901a\u8fc7\u4f7f\u7528Redis\uff0c\u63a8\u8350\u7cfb\u7edf\u53ef\u4ee5\u5927\u5927\u63d0\u9ad8\u8ba1\u7b97\u901f\u5ea6\u548c\u63a8\u8350\u51c6\u786e\u6027\uff0c\u4ece\u800c\u63d0\u5347\u7528\u6237\u4f53\u9a8c\u548c\u4ea7\u54c1\u6536\u76ca\u3002\u56e0\u6b64\uff0c\u5728\u5b9e\u73b0\u63a8\u8350\u7cfb\u7edf\u65f6\uff0c\u4f7f\u7528Redis\u662f\u4e00\u4e2a\u975e\u5e38\u660e\u667a\u7684\u9009\u62e9\u3002<\/p>\n

\n
\n <\/dt>\n
\n \u5938\u514b\u6d4f\u89c8\u5668\u600e\u4e48\u770b\u7535\u5f71\n <\/dd>\n<\/dl>\n
\n
\n <\/dt>\n
\n \u5728 Go \u4e2d\u5206\u914d\u4e00\u4e2a\u6307\u9488\u662f\u539f\u5b50\u7684\u5417\uff1f\n <\/dd>\n<\/dl>\n","protected":false},"excerpt":{"rendered":"

Redis\u5728\u63a8\u8350\u7cfb\u7edf\u4e2d\u7684\u5e94\u7528\u5b9e\u4f8b...<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-201785","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/201785","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"}],"author":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=201785"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/201785\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=201785"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=201785"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=201785"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}