{"id":49,"date":"2026-04-22T10:13:20","date_gmt":"2026-04-22T02:13:20","guid":{"rendered":"https:\/\/www.bengzi.cn\/?p=49"},"modified":"2026-04-22T10:13:58","modified_gmt":"2026-04-22T02:13:58","slug":"redis-%e5%8e%8b%e7%bc%a9%e5%88%97%e8%a1%a8%e4%b8%8e%e5%8f%8c%e5%90%91%e9%93%be%e8%a1%a8%e7%9a%84%e5%8c%ba%e5%88%ab","status":"publish","type":"post","link":"https:\/\/www.bengzi.cn\/?p=49","title":{"rendered":"Redis \u538b\u7f29\u5217\u8868\u4e0e\u53cc\u5411\u94fe\u8868\u7684\u533a\u522b"},"content":{"rendered":"\n

\ud83d\udc49 \u538b\u7f29\u5217\u8868\u7701\u5185\u5b58\u4f46\u64cd\u4f5c\u6162\uff0c\u53cc\u5411\u94fe\u8868\u8017\u5185\u5b58\u4f46\u64cd\u4f5c\u5feb<\/strong><\/p>\n\n\n\n

\n\n\n\n

\ud83e\udde0 \u4e00\u3001\u7ed3\u6784\u672c\u8d28\u4e0d\u540c<\/h2>\n\n\n\n

1\ufe0f\u20e3 \u538b\u7f29\u5217\u8868\uff08ziplist\uff09<\/h3>\n\n\n\n

\ud83d\udc49 \u4e00\u5757\u8fde\u7eed\u5185\u5b58<\/strong><\/p>\n\n\n\n

| entry1 | entry2 | entry3 | entry4 |<\/pre>\n\n\n\n
\u7279\u70b9\uff1a<\/p>\n\n\n\n
    \n
  • \u6240\u6709\u6570\u636e\u6324\u5728\u4e00\u8d77\uff08\u7c7b\u4f3c\u6570\u7ec4\uff09<\/li>\n\n\n\n
  • \u6bcf\u4e2a\u5143\u7d20\u8bb0\u5f55\uff1a\n
      \n
    • \u524d\u4e00\u4e2a\u5143\u7d20\u957f\u5ea6\uff08prevlen\uff09<\/li>\n\n\n\n
    • \u5f53\u524d\u6570\u636e\u957f\u5ea6<\/li>\n\n\n\n
    • \u6570\u636e\u5185\u5bb9<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n
      \n\n\n\n
      2\ufe0f\u20e3 \u53cc\u5411\u94fe\u8868\uff08linkedlist\uff09<\/h3>\n\n\n\n
      \ud83d\udc49 \u6bcf\u4e2a\u8282\u70b9\u72ec\u7acb\u5185\u5b58 + \u6307\u9488\u8fde\u63a5<\/strong><\/p>\n\n\n\n
      node1 <-> node2 <-> node3 <-> node4<\/pre>\n\n\n\n
      \u6bcf\u4e2a\u8282\u70b9\uff1a<\/p>\n\n\n\n
        \n
      • prev \u6307\u9488<\/li>\n\n\n\n
      • next \u6307\u9488<\/li>\n\n\n\n
      • value<\/li>\n<\/ul>\n\n\n\n
        \n\n\n\n
        \u2696\ufe0f \u4e8c\u3001\u6838\u5fc3\u5dee\u5f02\u5bf9\u6bd4<\/h2>\n\n\n\n
        \u7ef4\u5ea6<\/th>\u538b\u7f29\u5217\u8868\uff08ziplist\uff09<\/th>\u53cc\u5411\u94fe\u8868<\/th><\/tr><\/thead>
        \u5185\u5b58\u5360\u7528<\/td>\u2705 \u5f88\u4f4e<\/td>\u274c \u5f88\u9ad8<\/td><\/tr>
        \u5185\u5b58\u7ed3\u6784<\/td>\u8fde\u7eed<\/td>\u5206\u6563<\/td><\/tr>
        \u67e5\u627e<\/td>\u274c O(n)<\/td>\u274c O(n)<\/td><\/tr>
        \u63d2\u5165\/\u5220\u9664<\/td>\u274c \u6162\uff08\u9700\u8981\u642c\u79fb\u5185\u5b58\uff09<\/td>\u2705 \u5feb\uff08\u6539\u6307\u9488\uff09<\/td><\/tr>
        \u7f13\u5b58\u547d\u4e2d\u7387<\/td>\u2705 \u9ad8\uff08\u8fde\u7eed\u5185\u5b58\uff09<\/td>\u274c \u4f4e<\/td><\/tr>
        \u6269\u5bb9<\/td>\u274c \u53ef\u80fd\u6574\u4f53\u91cd\u5206\u914d<\/td>\u2705 \u4e0d\u9700\u8981<\/td><\/tr>
        \u6570\u636e\u91cf\u9002\u5408<\/td>\u5c0f\u6570\u636e<\/td>\u5927\u6570\u636e<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n
        \n\n\n\n
        \ud83d\udea8 \u4e09\u3001\u6700\u5173\u952e\u7684\u75db\u70b9\uff08\u9762\u8bd5\u5fc5\u95ee\uff09<\/h2>\n\n\n\n
        \ud83d\udc49 \u538b\u7f29\u5217\u8868\u7684\u201c\u8fde\u9501\u66f4\u65b0\u201d\u95ee\u9898<\/h3>\n\n\n\n
        \u5f53\u4f60\u63d2\u5165\u4e00\u4e2a\u5143\u7d20\u65f6\uff1a<\/p>\n\n\n\n
        entry1 | entry2 | entry3<\/pre>\n\n\n\n
        \u5982\u679c entry2 \u957f\u5ea6\u53d8\u5316\uff1a<\/p>\n\n\n\n
        \ud83d\udc49 entry3 \u7684 prevlen \u53ef\u80fd\u53d8\u5927
        \ud83d\udc49 entry4 \u4e5f\u8981\u53d8
        \ud83d\udc49 \u53ef\u80fd\u5f15\u53d1\u8fde\u9501\u4fee\u6539\uff08cascade update\uff09<\/strong><\/p>\n\n\n\n
        \u7ed3\u679c\uff1a<\/p>\n\n\n\n
          \n
        • \u63d2\u5165\u4e00\u6b21 \u2192 \u591a\u6b21\u5185\u5b58\u62f7\u8d1d<\/li>\n\n\n\n
        • \u6700\u574f O(n\u00b2)<\/li>\n<\/ul>\n\n\n\n
          \n\n\n\n
          \ud83d\ude80 \u56db\u3001Redis \u5b9e\u9645\u4f7f\u7528\u7b56\u7565<\/h2>\n\n\n\n
          Redis \u5e76\u4e0d\u662f\u4e8c\u9009\u4e00\uff0c\u800c\u662f\uff1a<\/p>\n\n\n\n
          \ud83d\udc49 \u5c0f\u6570\u636e\u7528\u538b\u7f29\u5217\u8868\uff0c\u5927\u6570\u636e\u81ea\u52a8\u5207\u6362\u7ed3\u6784<\/strong><\/p>\n\n\n\n
          \u4f8b\u5982\uff1a<\/p>\n\n\n\n
          List<\/h3>\n\n\n\n
            \n
          • \u5c0f\uff1aziplist<\/li>\n\n\n\n
          • \u5927\uff1alinkedlist\uff08\u65b0\u7248\u672c\u662f quicklist\uff09<\/li>\n<\/ul>\n\n\n\n
            Hash \/ ZSet<\/h3>\n\n\n\n
              \n
            • \u5c0f\uff1aziplist<\/li>\n\n\n\n
            • \u5927\uff1ahashtable \/ skiplist<\/li>\n<\/ul>\n\n\n\n
              \n\n\n\n
              \ud83d\udd25 \u4e94\u3001\u73b0\u4ee3 Redis\uff08\u91cd\u8981\u5347\u7ea7\uff09<\/h2>\n\n\n\n
              \u4ece Redis 3.2+ \u5f00\u59cb\uff1a<\/p>\n\n\n\n
              \ud83d\udc49 ziplist + linkedlist \u88ab\u4f18\u5316\u4e3a\uff1aquicklist<\/strong><\/p>\n\n\n\n
              quicklist = \u538b\u7f29\u5217\u8868 + \u94fe\u8868<\/h3>\n\n\n\n
              \u7ed3\u6784\uff1a<\/p>\n\n\n\n
              node -> ziplist
              node -> ziplist
              node -> ziplist<\/pre>\n\n\n\n
              \u4f18\u70b9\uff1a<\/p>\n\n\n\n
                \n
              • \u4fdd\u7559 ziplist \u7684\u5185\u5b58\u4f18\u52bf<\/li>\n\n\n\n
              • \u907f\u514d\u5927\u89c4\u6a21\u5185\u5b58\u642c\u79fb<\/li>\n\n\n\n
              • \u63d2\u5165\u5220\u9664\u66f4\u5feb<\/li>\n<\/ul>\n\n\n\n
                \n\n\n\n
                \ud83e\udde9 \u516d\u3001\u4f60\u53ef\u4ee5\u8fd9\u6837\u7406\u89e3\uff08\u5f88\u5f62\u8c61\uff09<\/h2>\n\n\n\n
                \u7c7b\u578b<\/th>\u7c7b\u6bd4<\/th><\/tr><\/thead>
                \u538b\u7f29\u5217\u8868<\/td>\u4e00\u6574\u672c\u7b14\u8bb0\u672c\uff08\u5199\u6ee1\u9875\uff09<\/td><\/tr>
                \u53cc\u5411\u94fe\u8868<\/td>\u4e00\u5f20\u5f20\u4fbf\u5229\u8d34<\/td><\/tr>
                quicklist<\/td>\u4e00\u672c\u7b14\u8bb0\u672c + \u5206\u7ae0\u8282<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n
                \n\n\n\n
                \u2705 \u4e03\u3001\u603b\u7ed3\u4e00\u53e5\u8bdd<\/h2>\n\n\n\n
                \ud83d\udc49 \u538b\u7f29\u5217\u8868\uff1a\u7a7a\u95f4\u6362\u65f6\u95f4\uff08\u7701\u5185\u5b58\uff09<\/strong>
                \ud83d\udc49 \u94fe\u8868\uff1a\u65f6\u95f4\u6362\u7a7a\u95f4\uff08\u64cd\u4f5c\u5feb\uff09<\/strong><\/p>\n\n\n\n
                <\/p>\n","protected":false},"excerpt":{"rendered":"
                \ud83d\udc49 \u538b\u7f29\u5217\u8868\u7701\u5185\u5b58\u4f46\u64cd\u4f5c\u6162\uff0c\u53cc\u5411\u94fe\u8868\u8017\u5185\u5b58\u4f46\u64cd\u4f5c\u5feb \ud83e\udde0 \u4e00\u3001\u7ed3\u6784\u672c\u8d28\u4e0d\u540c 1\ufe0f\u20e3 \u538b\u7f29\u5217\u8868\uff08ziplist\uff09  […]<\/p>\n","protected":false},"author":1,"featured_media":33,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[10],"tags":[],"class_list":["post-49","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-redis"],"blocksy_meta":[],"_links":{"self":[{"href":"https:\/\/www.bengzi.cn\/index.php?rest_route=\/wp\/v2\/posts\/49","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.bengzi.cn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.bengzi.cn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.bengzi.cn\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.bengzi.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=49"}],"version-history":[{"count":1,"href":"https:\/\/www.bengzi.cn\/index.php?rest_route=\/wp\/v2\/posts\/49\/revisions"}],"predecessor-version":[{"id":50,"href":"https:\/\/www.bengzi.cn\/index.php?rest_route=\/wp\/v2\/posts\/49\/revisions\/50"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.bengzi.cn\/index.php?rest_route=\/wp\/v2\/media\/33"}],"wp:attachment":[{"href":"https:\/\/www.bengzi.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=49"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.bengzi.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=49"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.bengzi.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=49"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}