{"id":201597,"date":"2025-05-10T11:54:55","date_gmt":"2025-05-10T03:54:55","guid":{"rendered":"https:\/\/server.hk\/cnblog\/201597\/"},"modified":"2025-05-10T11:54:55","modified_gmt":"2025-05-10T03:54:55","slug":"redis%e5%a4%84%e7%90%86%e9%ab%98%e5%b9%b6%e5%8f%91%e4%b9%8b%e5%b8%83%e9%9a%86%e8%bf%87%e6%bb%a4%e5%99%a8%e8%af%a6%e8%a7%a3","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/201597\/","title":{"rendered":"Redis\u5904\u7406\u9ad8\u5e76\u53d1\u4e4b\u5e03\u9686\u8fc7\u6ee4\u5668\u8be6\u89e3"},"content":{"rendered":"

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

Redis\u5904\u7406\u9ad8\u5e76\u53d1\u4e4b\u5e03\u9686\u8fc7\u6ee4\u5668\u8be6\u89e3<\/h1>\n

<\/i>\u6536\u85cf<\/span> <\/p>\n

\u672c\u7bc7\u6587\u7ae0\u7ed9\u5927\u5bb6\u5206\u4eab\u300aRedis\u5904\u7406\u9ad8\u5e76\u53d1\u4e4b\u5e03\u9686\u8fc7\u6ee4\u5668\u8be6\u89e3\u300b\uff0c\u8986\u76d6\u4e86\u6570\u636e\u5e93\u7684\u5e38\u89c1\u57fa\u7840\u77e5\u8bc6\uff0c\u5176\u5b9e\u4e00\u4e2a\u8bed\u8a00\u7684\u5168\u90e8\u77e5\u8bc6\u70b9\u4e00\u7bc7\u6587\u7ae0\u662f\u4e0d\u53ef\u80fd\u8bf4\u5b8c\u7684\uff0c\u4f46\u5e0c\u671b\u901a\u8fc7\u8fd9\u4e9b\u95ee\u9898\uff0c\u8ba9\u8bfb\u8005\u5bf9\u81ea\u5df1\u7684\u638c\u63e1\u7a0b\u5ea6\u6709\u4e00\u5b9a\u7684\u8ba4\u8bc6(B \u6570)\uff0c\u4ece\u800c\u5f25\u8865\u81ea\u5df1\u7684\u4e0d\u8db3\uff0c\u66f4\u597d\u7684\u638c\u63e1\u5b83\u3002<\/p>\n

\u7f13\u5b58\u7a7f\u900f\u3001\u51fb\u7a7f\u3001\u96ea\u5d29<\/h2>\n

\u9996\u5148\u6211\u4eec\u4ece\u7f13\u5b58\u4f1a\u51fa\u73b0\u7684\u51e0\u79cd\u95ee\u9898\uff0c\u6765\u8fdb\u884c\u5206\u6790\uff0c\u5728\u9ad8\u5e76\u53d1\u7684\u573a\u666f\u4e0b\u5982\u679c\u51fa\u73b0\u8fd9\u79cd\u60c5\u51b5\uff0c\u6211\u4eec\u5e94\u8be5\u5982\u4f55\u89e3\u51b3\u3002<\/p>\n

\u6b63\u5e38\u60c5\u51b5\u4e0b\uff0c\u6211\u4eec\u7684web\u5e94\u7528\u4f1a\u5148\u53bb\u8bf7\u6c42\u7f13\u5b58\u670d\u52a1\uff0c\u5982\u679c\u7f13\u5b58\u547d\u4e2d\uff0c\u90a3\u4e48\u5c31\u53bb\u62ff\u7f13\u5b58\u91cc\u9762\u7684\u6570\u636e\uff0c\u8fd4\u56de\u7ed3\u679c\u7ed9\u5e94\u7528\uff0c<\/p>\n

<\/p>\n

\u7f13\u5b58\u7a7f\u900f<\/h3>\n

\u7f13\u5b58\u7a7f\u900f\u4e0e\u7f13\u5b58\u96ea\u5d29\u548c\u7f13\u5b58\u51fb\u7a7f\u8fd8\u662f\u4e0d\u4e00\u6837\u7684\uff0c\u96ea\u5d29\u548c\u51fb\u7a7f\u7684\u60c5\u51b5\u4e0b\uff0c\u6570\u636e\u5e93\u7684\u6570\u636e\u90fd\u662f\u771f\u6b63\u5e38\u7684\uff0c\u53ef\u4ee5\u53bb\u8bf7\u6c42\u6570\u636e\u5e93\u83b7\u53d6\u6570\u636e\uff0c\u53ea\u662f\u7f13\u5b58\u5c42\u51fa\u73b0\u95ee\u9898\uff0c\u7b49\u5f85\u7f13\u5b58\u6062\u590d\u4e86\uff0c\u5c31\u4f1a\u51cf\u8f7b\u6570\u636e\u5e93\u7684\u538b\u529b\u3002 \u800c\u7f13\u5b58\u900f\u4e0d\u4e00\u6837\u7684\u5c31\u662f\uff0c\u7f13\u5b58\u548c\u6570\u636e\u5e93\u90fd\u6ca1\u6709\u8981\u8bf7\u6c42\u7684\u6570\u636e\uff0c\u5927\u91cf\u7684\u8bf7\u6c42\u6765\u4e86\uff0c\u6570\u636e\u5e93\u7684\u538b\u529b\u5f88\u5927\u3002<\/p>\n

<\/p>\n

\u51fa\u73b0\u60c5\u51b5<\/h3>\n
    \n
  • \u6570\u636e\u5e93\u6570\u636e\u88ab\u5927\u91cf\u6e05\u9664\uff0c\u5bfc\u81f4\u8bbf\u95ee\u4e0d\u5230<\/li>\n
  • \u9ed1\u5ba2\u6076\u610f\u653b\u51fb<\/li>\n<\/ul>\n

    \u5e38\u89c1\u7684\u89e3\u51b3\u65b9\u6848<\/h3>\n
      \n
    • redis\u7f13\u5b58\u7a7a\u503c\uff0c\u8bf7\u6c42\u4e0d\u5230\u7684\u65f6\u5019\u8fd4\u56de\u7ed9\u5e94\u7528\u7a7a\u503c\u3002<\/li>\n
    • \u4f7f\u7528\u5e03\u9686\u8fc7\u6ee4\u5668\uff0c\u628a\u6570\u636e\u5e93\u7684\u4e00\u90e8\u5206\u6570\u636ehash\u5230\u5e03\u9686\u8fc7\u6ee4\u5668\u91cc\uff0c\u5728\u8bf7\u6c42\u6570\u636e\u5e93\u4e4b\u524d\u5148\u53bb\u5e03\u9686\u8fc7\u6ee4\u5668\u91cc\u7b5b\u9009\u5230\u4e00\u90e8\u5206\u8bf7\u6c42\uff0c\u5224\u65ad\u6570\u636e\u662f\u5426\u5b58\u5728\uff0c\u907f\u514d\u76f4\u63a5\u53bb\u8bbf\u95ee\u6570\u636e\u5e93\u3002<\/li>\n<\/ul>\n

      \u7f13\u5b58\u51fb\u7a7f<\/h2>\n

      \u51fa\u73b0\u60c5\u51b5<\/h3>\n
        \n
      • \u5927\u91cf\u70ed\u70b9\u6570\u636e\u5e93\u8fc7\u671f\uff0c\u5bfc\u81f4\u65e0\u6cd5\u4ece\u7f13\u5b58\u83b7\u53d6\u5230\u6570\u636e\uff0c\u5927\u91cf\u8bf7\u6c42\u6570\u636e\u5e93\u4e5f\u65e0\u6cd5\u8fd4\u56de\u4e66\u5c31<\/li>\n<\/ul>\n

        <\/p>\n

        \u89e3\u51b3\u65b9\u6848<\/h3>\n
          \n
        • \u52a0\u9501\uff0c\u4fdd\u8bc1\u540c\u4e00\u65f6\u95f4\u5185\uff0c\u53ea\u5141\u8bb8\u6709\u4e00\u4e2a\u7ebf\u7a0b\u53bb\u66f4\u65b0\u7f13\u5b58\uff0c\u7b49\u9501\u91ca\u653e\u540e\u5728\u91cd\u65b0\u53bb\u8bf7\u6c42\u7f13\u5b58\u3002<\/li>\n
        • \u70ed\u70b9\u6570\u636e\u4e0d\u53bb\u8bbe\u7f6e\u8fc7\u671f\u65f6\u95f4\uff0c\u5982\u679c\u8981\u8bbe\u7f6e\u8fc7\u671f\u65f6\u95f4\uff0c\u5728\u8fc7\u671f\u7684\u65f6\u5019\u901a\u77e5\u540e\u53f0\u53bb\u66f4\u65b0\u7f13\u5b58\u7684\u8fc7\u671f\u65f6\u95f4\u3002<\/li>\n<\/ul>\n

          \u7f13\u5b58\u96ea\u5d29<\/h2>\n
            \n
          • \u5927\u91cf\u7f13\u5b58\u5728\u540c\u4e00\u65f6\u95f4\u5931\u6548\uff0c\u5bfc\u81f4\u5927\u91cf\u8bf7\u6c42\u8fdb\u5165\u6570\u636e\u5e93<\/li>\n
          • redis\u6545\u969c\u5b95\u673a\uff0c\u5bfc\u81f4\u7f13\u5b58\u4e0d\u80fd\u4f7f\u7528\u3002<\/li>\n<\/ul>\n

            \u89e3\u51b3\u65b9\u6848<\/h3>\n
              \n
            • \u540c\u4e0a\u52a0\u9501<\/li>\n
            • \u7ed9\u7f13\u5b58\u7684\u8fc7\u671f\u65f6\u95f4\u52a0\u5165\u968f\u673a\u6570\uff0c\u4fdd\u8bc1\u7f13\u5b58\u4e0d\u4f1a\u5728\u540c\u4e00\u65f6\u95f4\u540c\u65f6\u5931\u6548\u3002<\/li>\n
            • \u526f\u672ckey\u7b56\u7565\uff0c\u5c31\u662f\u5bf9\u4e8e\u4e00\u4e2akey\uff0c\u5728\u5b83\u7684\u57fa\u7840\u4e0a\u5728\u8bbe\u7f6e\u4e00\u4e2akey\uff0c\u5b83\u4eec\u7684value\u90fd\u662f\u4e00\u6837\u7684\uff0c\u53ea\u4e0d\u8fc7\u4e00\u4e2a\u8bbe\u7f6e\u8fc7\u671f\u65f6\u95f4\u3001\u4e00\u4e2a\u4e0d\u8bbe\u7f6e\u8fc7\u671f\u65f6\u95f4\uff0c\u76f8\u5f53\u4e8e\u7ed9key\u505a\u4e86\u4e2a\u526f\u672c\uff0c\u53ea\u4e0d\u8fc7\u5728\u66f4\u65b0\u7f13\u5b58\u7684\u65f6\u5019\uff0c\u526f\u672ckey\u4e5f\u662f\u8981\u66f4\u65b0\u7684\uff0c\u907f\u514d\u51fa\u73b0\u6570\u636e\u4e0d\u4e00\u81f4\u7684\u73b0\u8c61\u3002<\/li>\n<\/ul>\n

              \u5e03\u9686\u8fc7\u6ee4\u5668 Bloom filter<\/h2>\n

              \u524d\u9762\u63d0\u5230\u8fc7\u5e03\u9686\u8fc7\u6ee4\u5668\u5728\u8bf7\u6c42\u6bd4\u8f83\u9ad8\u7684\u65f6\u5019\uff0c\u53ef\u4ee5\u5e2e\u52a9\u6211\u4eec\u62b5\u6321\u4e00\u90e8\u5206\u8bf7\u6c42\uff0c\u4ece\u800c\u51cf\u8f7b\u6570\u636e\u5e93\u7684\u538b\u529b\uff0c\u5e03\u9686\u8fc7\u6ee4\u5668\u7684\u6570\u636e\u7ed3\u6784\u662f\u4e00\u4e2a\u4e8c\u8fdb\u5236\u7684bit\u5411\u91cf\uff0c\u6216\u8005\u8bf4\u662f\u4e00\u4e2abit\u6570\u7ec4\uff0c\u5b83\u76f8\u5bf9\u4e8elist\u3001set\u3001map\u8fd9\u4e9b\u96c6\u5408\uff0c\u5b83\u5360\u7528\u7684\u7a7a\u95f4\u66f4\u5c11\uff0c\u4e0d\u8db3\u4e4b\u5904\u5904\u5c31\u662f\u8fd4\u56de\u7684\u7ed3\u679c\u4f1a\u6709\u4e00\u5b9a\u6982\u7387\u7684\u8bef\u5dee\u3002<\/p>\n

              public static void main(String[] args) {\n    int size = 1_000_000;\n    BloomFilter\n   \n     bloomFilter = BloomFilter.create(Funnels.integerFunnel(), size);\n    for (int i = 0; i  list = new ArrayList(1000);\n    for (int i = size + 10000; i \n\n    
              \u786e\u5b9e\u6709\u8bef\u5dee\u7684\u6570\u91cf\uff0c\u4f46\u662f\u8bef\u5dee\u91cf\u4e0d\u5927\uff0c\u8ffd\u6c42\u6548\u7387\u7684\u540c\u65f6\u53ea\u662f\u727a\u7272\u4e00\u70b9\u8bef\u5dee\u4e86\u3002<\/p>\n\n    
              <\/p>\n\n    
              \u603b\u7ed3<\/h2>\n\n    
              \u52a0\u9501\u7684\u6392\u961f\u7684\u573a\u666f\u786e\u5b9e\u80fd\u5e2e\u52a9\u6211\u4eec\u5f88\u597d\u7684\u89e3\u51b3\u7f13\u5b58\u7a7f\u900f\u3001\u51fb\u7a7f\u7684\u4e00\u4e9b\u95ee\u9898\uff0c\u4f46\u662f\u6548\u7387\u4e5f\u662f\u975e\u5e38\u4f4e\u4e86\uff0c\u56e0\u4e3a\u6bcf\u4e2a\u8bf7\u6c42\u90fd\u662f\u6392\u961f\u7b49\u5f85\uff0c\u5982\u679c\u53ef\u4ee5\u63a5\u53d7\u8f7b\u5fae\u8bef\u5dee\u7684\u8bdd\uff0c\u5e03\u9686\u8fc7\u6ee4\u5668\u7684\u786e\u662f\u4e2a\u5f88\u4e0d\u9519\u7684\u9009\u62e9\uff0cBloom filter\u7684bitmap\u7684\u5b58\u50a8\u6548\u7387\u786e\u5b9e\u5f88\u9ad8\u3002<\/p>\n\n    \n   <\/pre>\n","protected":false},"excerpt":{"rendered":"
              Redis\u5904\u7406\u9ad8\u5e76\u53d1\u4e4b\u5e03\u9686\u8fc7\u6ee4\u5668...<\/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-201597","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/201597","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=201597"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/201597\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=201597"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=201597"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=201597"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}