{"id":180482,"date":"2024-11-09T10:38:15","date_gmt":"2024-11-09T02:38:15","guid":{"rendered":"https:\/\/server.hk\/cnblog\/180482\/"},"modified":"2024-11-09T10:38:16","modified_gmt":"2024-11-09T02:38:16","slug":"%e6%b7%b1%e5%85%a5%e5%9c%96%e8%a7%a3-redis-hash%ef%bc%88%e6%95%a3%e5%88%97%e8%a1%a8%ef%bc%89%e5%af%a6%e7%8f%be%e5%8e%9f%e7%90%86","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/180482\/","title":{"rendered":"\u6df1\u5165\u5716\u89e3 Redis Hash\uff08\u6563\u5217\u8868\uff09\u5be6\u73fe\u539f\u7406"},"content":{"rendered":"<h1 id=\"%e6%b7%b1%e5%85%a5%e5%9c%96%e8%a7%a3-redis-hash%ef%bc%88%e6%95%a3%e5%88%97%e8%a1%a8%ef%bc%89%e5%af%a6%e7%8f%be%e5%8e%9f%e7%90%86-XJCXDTYMin\">\u6df1\u5165\u5716\u89e3 Redis Hash\uff08\u6563\u5217\u8868\uff09\u5be6\u73fe\u539f\u7406<\/h1>\n<p>Redis \u662f\u4e00\u500b\u9ad8\u6548\u80fd\u7684\u9375\u503c\u6578\u64da\u5eab\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u5404\u7a2e\u5834\u666f\u4e2d\u3002\u5176\u6578\u64da\u7d50\u69cb\u591a\u6a23\uff0c\u5176\u4e2d Hash\uff08\u6563\u5217\u8868\uff09\u662f\u4e00\u7a2e\u975e\u5e38\u91cd\u8981\u7684\u6578\u64da\u7d50\u69cb\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0e Redis Hash \u7684\u5be6\u73fe\u539f\u7406\uff0c\u5e6b\u52a9\u8b80\u8005\u66f4\u597d\u5730\u7406\u89e3\u5176\u5167\u90e8\u904b\u4f5c\u6a5f\u5236\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af-redis-hash-XJCXDTYMin\">\u4ec0\u9ebc\u662f Redis Hash<\/h2>\n<p>\u5728 Redis \u4e2d\uff0cHash \u662f\u4e00\u7a2e\u9375\u503c\u5c0d\u7684\u96c6\u5408\uff0c\u7279\u5225\u9069\u5408\u7528\u4f86\u8868\u793a\u5c0d\u8c61\u3002\u6bcf\u500b Hash \u90fd\u53ef\u4ee5\u5305\u542b\u591a\u500b\u5b57\u6bb5\uff0c\u6bcf\u500b\u5b57\u6bb5\u90fd\u6709\u4e00\u500b\u5c0d\u61c9\u7684\u503c\u3002\u9019\u4f7f\u5f97 Hash \u6210\u70ba\u5b58\u5132\u7528\u6236\u8cc7\u6599\u3001\u5546\u54c1\u4fe1\u606f\u7b49\u8907\u96dc\u6578\u64da\u7684\u7406\u60f3\u9078\u64c7\u3002<\/p>\n<h2 id=\"redis-hash-%e7%9a%84%e5%9f%ba%e6%9c%ac%e6%93%8d%e4%bd%9c-XJCXDTYMin\">Redis Hash \u7684\u57fa\u672c\u64cd\u4f5c<\/h2>\n<p>Redis \u63d0\u4f9b\u4e86\u591a\u7a2e\u64cd\u4f5c Hash \u7684\u547d\u4ee4\uff0c\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u7528\u7684\u547d\u4ee4\uff1a<\/p>\n<ul>\n<li><code>HSET<\/code>\uff1a\u8a2d\u7f6e Hash \u4e2d\u7684\u5b57\u6bb5\u503c\u3002<\/li>\n<li><code>HGET<\/code>\uff1a\u7372\u53d6 Hash \u4e2d\u6307\u5b9a\u5b57\u6bb5\u7684\u503c\u3002<\/li>\n<li><code>HDEL<\/code>\uff1a\u522a\u9664 Hash \u4e2d\u7684\u6307\u5b9a\u5b57\u6bb5\u3002<\/li>\n<li><code>HGETALL<\/code>\uff1a\u7372\u53d6 Hash \u4e2d\u6240\u6709\u5b57\u6bb5\u53ca\u5176\u503c\u3002<\/li>\n<\/ul>\n<h2 id=\"redis-hash-%e7%9a%84%e5%85%a7%e9%83%a8%e5%af%a6%e7%8f%be-XJCXDTYMin\">Redis Hash \u7684\u5167\u90e8\u5be6\u73fe<\/h2>\n<p>Redis Hash \u7684\u5167\u90e8\u5be6\u73fe\u4e3b\u8981\u4f9d\u8cf4\u65bc\u5169\u7a2e\u6578\u64da\u7d50\u69cb\uff1a<\/p>\n<h3 id=\"1-ziplist-XJCXDTYMin\">1. Ziplist<\/h3>\n<p>\u7576 Hash \u4e2d\u7684\u5b57\u6bb5\u6578\u91cf\u8f03\u5c11\uff08\u9ed8\u8a8d\u70ba 512 \u500b\u5b57\u6bb5\u4ee5\u5167\uff0c\u4e14\u6bcf\u500b\u5b57\u6bb5\u7684\u503c\u5c0f\u65bc 64 \u5b57\u7bc0\uff09\u6642\uff0cRedis \u6703\u4f7f\u7528\u4e00\u7a2e\u7a31\u70ba Ziplist \u7684\u7dca\u6e4a\u6578\u64da\u7d50\u69cb\u3002Ziplist \u662f\u4e00\u7a2e\u9023\u7e8c\u7684\u5167\u5b58\u5340\u57df\uff0c\u80fd\u5920\u6709\u6548\u5730\u5b58\u5132\u5c0f\u578b\u7684 Hash\uff0c\u4e26\u4e14\u5728\u5167\u5b58\u4f7f\u7528\u4e0a\u975e\u5e38\u9ad8\u6548\u3002<\/p>\n<h4 id=\"ziplist-%e7%9a%84%e7%b5%90%e6%a7%8b-XJCXDTYMin\">Ziplist \u7684\u7d50\u69cb<\/h4>\n<p>Ziplist \u7531\u4e00\u7cfb\u5217\u7684\u5143\u7d20\u7d44\u6210\uff0c\u6bcf\u500b\u5143\u7d20\u5305\u542b\u4e00\u500b\u5b57\u6bb5\u540d\u548c\u4e00\u500b\u5b57\u6bb5\u503c\u3002\u9019\u7a2e\u7d50\u69cb\u7684\u512a\u52e2\u5728\u65bc\u53ef\u4ee5\u6e1b\u5c11\u5167\u5b58\u788e\u7247\uff0c\u4e26\u63d0\u9ad8\u5b58\u53d6\u901f\u5ea6\u3002<\/p>\n<h3 id=\"2-hashtable-XJCXDTYMin\">2. Hashtable<\/h3>\n<p>\u7576 Hash \u4e2d\u7684\u5b57\u6bb5\u6578\u91cf\u8d85\u904e Ziplist \u7684\u9650\u5236\u6642\uff0cRedis \u6703\u81ea\u52d5\u5c07\u5176\u8f49\u63db\u70ba Hashtable\u3002Hashtable \u662f\u4e00\u7a2e\u57fa\u65bc\u54c8\u5e0c\u8868\u7684\u6578\u64da\u7d50\u69cb\uff0c\u80fd\u5920\u63d0\u4f9b\u66f4\u5feb\u7684\u67e5\u627e\u901f\u5ea6\u3002<\/p>\n<h4 id=\"hashtable-%e7%9a%84%e7%b5%90%e6%a7%8b-XJCXDTYMin\">Hashtable \u7684\u7d50\u69cb<\/h4>\n<p>Hashtable \u7531\u4e00\u7d44\u6876\uff08bucket\uff09\u7d44\u6210\uff0c\u6bcf\u500b\u6876\u53ef\u4ee5\u5b58\u5132\u591a\u500b\u9375\u503c\u5c0d\u3002\u7576\u767c\u751f\u54c8\u5e0c\u78b0\u649e\u6642\uff0cRedis \u6703\u4f7f\u7528\u93c8\u63a5\u6cd5\u4f86\u89e3\u6c7a\u885d\u7a81\uff0c\u5373\u5c07\u885d\u7a81\u7684\u9375\u503c\u5c0d\u93c8\u63a5\u5728\u540c\u4e00\u500b\u6876\u4e2d\u3002<\/p>\n<h2 id=\"hash-%e7%9a%84%e5%84%aa%e5%8b%a2-XJCXDTYMin\">Hash \u7684\u512a\u52e2<\/h2>\n<p>\u4f7f\u7528 Redis Hash \u6709\u591a\u500b\u512a\u52e2\uff1a<\/p>\n<ul>\n<li><strong>\u7bc0\u7701\u5167\u5b58\uff1a<\/strong>\u7531\u65bc Ziplist \u548c Hashtable \u7684\u9ad8\u6548\u5be6\u73fe\uff0cHash \u7d50\u69cb\u80fd\u5920\u5728\u5b58\u5132\u5c0f\u578b\u6578\u64da\u6642\u7bc0\u7701\u5927\u91cf\u5167\u5b58\u3002<\/li>\n<li><strong>\u5feb\u901f\u5b58\u53d6\uff1a<\/strong>Hash \u63d0\u4f9b\u4e86 O(1) \u7684\u6642\u9593\u8907\u96dc\u5ea6\uff0c\u80fd\u5920\u5feb\u901f\u5730\u5b58\u53d6\u548c\u4fee\u6539\u6578\u64da\u3002<\/li>\n<li><strong>\u9748\u6d3b\u6027\uff1a<\/strong>Hash \u53ef\u4ee5\u9748\u6d3b\u5730\u8868\u793a\u8907\u96dc\u7684\u6578\u64da\u7d50\u69cb\uff0c\u9069\u5408\u7528\u65bc\u591a\u7a2e\u61c9\u7528\u5834\u666f\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-XJCXDTYMin\">\u7e3d\u7d50<\/h2>\n<p>Redis Hash \u662f\u4e00\u7a2e\u9ad8\u6548\u7684\u6578\u64da\u7d50\u69cb\uff0c\u9069\u5408\u7528\u65bc\u5b58\u5132\u548c\u7ba1\u7406\u8907\u96dc\u7684\u6578\u64da\u3002\u901a\u904e Ziplist \u548c Hashtable \u7684\u9748\u6d3b\u904b\u7528\uff0cRedis \u80fd\u5920\u5728\u4e0d\u540c\u7684\u5834\u666f\u4e0b\u63d0\u4f9b\u512a\u7570\u7684\u6027\u80fd\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u6548\u6578\u64da\u5b58\u53d6\u7684\u61c9\u7528\uff0c\u9078\u64c7\u5408\u9069\u7684\u6578\u64da\u7d50\u69cb\u81f3\u95dc\u91cd\u8981\u3002<\/p>\n<p>\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u89e3\u6c7a\u65b9\u6848\uff0cServer.HK \u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\uff0c\u6eff\u8db3\u60a8\u7684\u9700\u6c42\u3002\u7121\u8ad6\u662f <a href=\"https:\/\/server.hk\">\u9999\u6e2f\u4f3a\u670d\u5668<\/a> \u9084\u662f\u5176\u4ed6\u96f2\u670d\u52d9\uff0c\u6211\u5011\u90fd\u80fd\u70ba\u60a8\u63d0\u4f9b\u6700\u4f73\u7684\u652f\u6301\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6df1\u5165\u5716\u89e3 Redis Hash\uff08\u6563\u5217\u8868\uff09\u5be6\u73fe\u539f\u7406\uff0c\u63a2\u7d22\u5176\u6578\u64da\u7d50\u69cb\u3001\u64cd\u4f5c\u6d41\u7a0b\u53ca\u6027\u80fd\u512a\u5316\uff0c\u52a9\u4f60\u66f4\u597d\u7406\u89e3 Redis \u7684\u6838\u5fc3\u529f\u80fd\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-180482","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/180482","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=180482"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/180482\/revisions"}],"predecessor-version":[{"id":180483,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/180482\/revisions\/180483"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=180482"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=180482"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=180482"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}