{"id":295984,"date":"2024-05-20T15:49:53","date_gmt":"2024-05-20T07:49:53","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/295984.html"},"modified":"2024-05-20T15:50:08","modified_gmt":"2024-05-20T07:50:08","slug":"%e4%bb%80%e4%b9%88%e6%98%af%e7%bc%93%e5%ad%98%e7%a9%bf%e9%80%8f%e3%80%81%e5%87%bb%e7%a9%bf%e3%80%81%e9%9b%aa%e5%b4%a9","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/295984.html","title":{"rendered":"\u4ec0\u4e48\u662f\u7f13\u5b58\u7a7f\u900f\u3001\u51fb\u7a7f\u3001\u96ea\u5d29"},"content":{"rendered":"

\"\u4ec0\u4e48\u662f\u7f13\u5b58\u7a7f\u900f\u3001\u51fb\u7a7f\u3001\u96ea\u5d29\"<\/p>\n

\u7f13\u5b58\u7a7f\u900f\u3001\u51fb\u7a7f\u3001\u96ea\u5d29\u662f\u6307\u5728\u7f13\u5b58\u5c42\u9762\u4e0a\u51fa\u73b0\u7684\u4e09\u79cd\u4e0d\u540c\u7684\u95ee\u9898\uff0c\u5b83\u4eec\u90fd\u53ef\u80fd\u5bfc\u81f4\u7cfb\u7edf\u6027\u80fd\u7684\u6025\u5267\u4e0b\u964d\u6216\u670d\u52a1\u4e0d\u53ef\u7528\u3002\u7f13\u5b58\u7a7f\u900f<\/strong>\u662f\u6307\u67e5\u8be2\u4e0d\u5b58\u5728\u7684\u6570\u636e\uff0c\u5bfc\u81f4\u8bf7\u6c42\u76f4\u63a5\u5230\u8fbe\u6570\u636e\u5b58\u50a8\u5c42\uff0c\u7ed5\u8fc7\u4e86\u7f13\u5b58\u5c42\uff1b\u7f13\u5b58\u51fb\u7a7f<\/strong>\u662f\u6307\u4e00\u4e2a\u70ed\u70b9\u7684key\u7a81\u7136\u5931\u6548\uff08\u6bd4\u5982\u7f13\u5b58\u8fc7\u671f\uff09\uff0c\u5bfc\u81f4\u8fd9\u65f6\u7684\u8bf7\u6c42\u76f4\u63a5\u6253\u5230\u6570\u636e\u5e93\u4e0a\uff0c\u9020\u6210\u6570\u636e\u5e93\u538b\u529b\u9aa4\u589e\uff1b\u7f13\u5b58\u96ea\u5d29<\/strong>\u662f\u6307\u5927\u91cf\u7684key\u540c\u65f6\u8fc7\u671f\uff0c\u6216\u7f13\u5b58\u670d\u52a1\u5b95\u673a\uff0c\u5bfc\u81f4\u5927\u91cf\u8bf7\u6c42\u76f4\u63a5\u6253\u5230\u6570\u636e\u5e93\u4e0a\uff0c\u540c\u6837\u53ef\u80fd\u9020\u6210\u6570\u636e\u5e93\u538b\u529b\u66b4\u589e\u8fdb\u800c\u5f71\u54cd\u6574\u4e2a\u7cfb\u7edf\u7684\u7a33\u5b9a\u6027\u3002<\/p>\n<\/p>\n

\u4e0b\u9762\u6211\u4eec\u5c06\u8be6\u7ec6\u63a2\u8ba8\u5982\u4f55\u7406\u89e3\u8fd9\u4e09\u4e2a\u95ee\u9898\uff0c\u5e76\u8ba8\u8bba\u89e3\u51b3\u5b83\u4eec\u7684\u65b9\u6cd5\u3002<\/p>\n<\/p>\n

\u4e00\u3001\u7f13\u5b58\u7a7f\u900f\u8be6\u89e3<\/h3>\n<\/p>\n

\u7f13\u5b58\u7a7f\u900f\u901a\u5e38\u53d1\u751f\u5728\u5916\u90e8\u7528\u6237\u6216\u8005\u5185\u90e8\u670d\u52a1\u8bf7\u6c42\u4e86\u4e0d\u5b58\u5728\u7684\u6570\u636e\uff0c\u5982\u679c\u7f13\u5b58\u5c42\u6ca1\u6709\u76f8\u5e94\u7684\u5904\u7406\u673a\u5236\uff0c\u8fd9\u4e9b\u8bf7\u6c42\u5c31\u4f1a\u7a7f\u8fc7\u7f13\u5b58\u5c42\uff0c\u76f4\u63a5\u8bf7\u6c42\u5230\u540e\u7aef\u7684\u6570\u636e\u5e93\u7cfb\u7edf\u3002\u8fd9\u79cd\u7a7f\u900f\u5982\u679c\u5927\u91cf\u53d1\u751f\uff0c\u5c31\u4f1a\u5bfc\u81f4\u6570\u636e\u5e93\u7684\u8d1f\u62c5\u52a0\u91cd\u3002<\/p>\n<\/p>\n

\u89e3\u51b3\u65b9\u6cd5<\/strong>\uff1a<\/p>\n<\/p>\n

    \n
  1. \u7a7a\u5bf9\u8c61\u7f13\u5b58<\/strong>\uff1a\u5bf9\u4e8e\u67e5\u4e0d\u5230\u6570\u636e\u7684\u60c5\u51b5\uff0c\u53ef\u4ee5\u5c06\u5176\u7ed3\u679c\u4f5c\u4e3a\u7a7a\u5bf9\u8c61\uff08null\u6216\u7279\u6b8a\u6807\u8bc6\uff09\u7f13\u5b58\uff0c\u5e76\u8bbe\u7f6e\u8f83\u77ed\u7684\u8fc7\u671f\u65f6\u95f4\u3002<\/li>\n
  2. \u5e03\u9686\u8fc7\u6ee4\u5668<\/strong>\uff1a\u5728\u8bf7\u6c42\u5230\u8fbe\u7f13\u5b58\u5c42\u4e4b\u524d\uff0c\u4f7f\u7528\u5e03\u9686\u8fc7\u6ee4\u5668\uff08Bloom Filter\uff09\u9884\u5224\u8bf7\u6c42\u7684\u6570\u636e\u662f\u5426\u53ef\u80fd\u5b58\u5728\u4e8e\u6570\u636e\u5e93\u4e2d\u3002\u5982\u679c\u5224\u65ad\u4e0d\u5b58\u5728\uff0c\u5219\u76f4\u63a5\u8fd4\u56de\uff0c\u4e0d\u518d\u67e5\u8be2\u6570\u636e\u5e93\u3002<\/li>\n<\/ol>\n

    \u4e8c\u3001\u7f13\u5b58\u51fb\u7a7f\u8be6\u89e3<\/h3>\n<\/p>\n

    \u7f13\u5b58\u51fb\u7a7f\u662f\u6307\u7f13\u5b58\u4e2d\u4e00\u4e2a\u70ed\u70b9\u7684key\u975e\u5e38\u70ed\u95e8\uff0c\u5728\u5b83\u5373\u5c06\u8fc7\u671f\u7684\u65f6\u5019\u7a81\u7136\u6709\u5927\u91cf\u7684\u8bf7\u6c42\u8fc7\u6765\uff0c\u800c\u8fd9\u4e2akey\u5728\u7f13\u5b58\u4e2d\u4e0d\u5b58\u5728\uff08\u53ef\u80fd\u662f\u8fc7\u671f\u4e86\uff09\uff0c\u6240\u6709\u7684\u8bf7\u6c42\u90fd\u4f1a\u8fbe\u5230\u6570\u636e\u5e93\uff0c\u5bf9\u6570\u636e\u5e93\u9020\u6210\u5de8\u5927\u538b\u529b\u3002<\/p>\n<\/p>\n

    \u89e3\u51b3\u65b9\u6cd5<\/strong>\uff1a<\/p>\n<\/p>\n

      \n
    1. \u8bbe\u7f6e\u70ed\u70b9key\u6c38\u4e0d\u8fc7\u671f<\/strong>\uff1a\u5bf9\u4e8e\u4e00\u4e9b\u70ed\u70b9\u6570\u636e\u53ef\u4ee5\u8bbe\u7f6e\u4e3a\u6c38\u4e0d\u8fc7\u671f\uff0c\u9700\u8981\u66f4\u65b0\u65f6\u91c7\u7528\u7f13\u5b58\u66f4\u65b0\u7b56\u7565\u3002<\/li>\n
    2. \u4f7f\u7528\u4e92\u65a5\u9501<\/strong>\uff1a\u5bf9\u4e8e\u5373\u5c06\u8fc7\u671f\u7684key\uff0c\u5f53\u7b2c\u4e00\u4e2a\u8bf7\u6c42\u6765\u65f6\uff0c\u5148\u5206\u5e03\u5f0f\u9501\u5b9a\u6216\u8005\u5176\u4ed6\u65b9\u5f0f\u9501\u5b9a\uff0c\u7136\u540e\u67e5\u6570\u636e\u5e93\uff0c\u67e5\u5230\u540e\u8fdb\u884c\u7f13\u5b58\uff0c\u4e4b\u540e\u91ca\u653e\u9501\uff0c\u5176\u4ed6\u7ebf\u7a0b\u518d\u8bbf\u95ee\u65f6\u5c31\u53ef\u4ee5\u8bbf\u95ee\u7f13\u5b58\u4e86\u3002<\/li>\n<\/ol>\n

      \u4e09\u3001\u7f13\u5b58\u96ea\u5d29\u8be6\u89e3<\/h3>\n<\/p>\n

      \u7f13\u5b58\u96ea\u5d29\u4e0e\u7f13\u5b58\u51fb\u7a7f\u7c7b\u4f3c\uff0c\u4e0d\u540c\u7684\u662f\u5b83\u662f\u6307\u5927\u91cf\u7684key\u540c\u65f6\u8fc7\u671f\uff0c\u6216\u8005\u7f13\u5b58\u670d\u52a1\u91cd\u542f\u3001\u5b95\u673a\u7b49\u9020\u6210\u7684\u7f13\u5b58\u5931\u6548\u3002\u5931\u6548\u540e\u5927\u91cf\u8bf7\u6c42\u5c31\u4f1a\u76f4\u63a5\u843d\u5728\u6570\u636e\u5e93\u4e0a\uff0c\u53ef\u80fd\u4f1a\u9020\u6210\u6570\u636e\u5e93\u8bbf\u95ee\u91cf\u9aa4\u589e\u3001\u751a\u81f3\u5b95\u673a\u3002<\/p>\n<\/p>\n

      \u89e3\u51b3\u65b9\u6cd5<\/strong>\uff1a<\/p>\n<\/p>\n

        \n
      1. \u8bbe\u7f6e\u4e0d\u540c\u7684\u8fc7\u671f\u65f6\u95f4<\/strong>\uff1a\u4e3a\u4e86\u907f\u514d\u5927\u91cfkey\u540c\u65f6\u8fc7\u671f\uff0c\u53ef\u4ee5\u8bbe\u7f6e\u4e0d\u540c\u7684\u8fc7\u671f\u65f6\u95f4\uff0c\u8ba9\u7f13\u5b58\u5931\u6548\u7684\u65f6\u95f4\u70b9\u5206\u6563\u3002<\/li>\n
      2. \u4f7f\u7528\u7f13\u5b58\u9884\u70ed<\/strong>\uff1a\u5728\u6b63\u5f0f\u90e8\u7f72\u524d\u4e3b\u52a8\u66f4\u65b0\u7f13\u5b58\u6570\u636e\uff0c\u4f7f\u5f97\u70ed\u70b9\u6570\u636e\u5728\u7f13\u5b58\u4e2d\u5c31\u6709\u4e86\u526f\u672c\u3002<\/li>\n
      3. \u53cc\u7f13\u5b58\u673a\u5236<\/strong>\uff1a\u7ef4\u62a4\u4e24\u4e2a\u7f13\u5b58\u5c42\uff0c\u4e00\u4e2a\u4f5c\u4e3a\u70ed\u6570\u636e\u5c42\uff0c\u8d1f\u8d23\u627f\u8f7d\u5927\u90e8\u5206\u8bfb\u538b\u529b\uff1b\u53e6\u4e00\u4e2a\u4f5c\u4e3a\u51b7\u6570\u636e\u5c42\uff0c\u4e3b\u8981\u6355\u6349\u4e00\u4e9b\u672a\u547d\u4e2d\u70ed\u6570\u636e\u5c42\u7684\u8bfb\u64cd\u4f5c\u3002<\/li>\n<\/ol>\n

        \u901a\u8fc7\u4ee5\u4e0a\u7684\u63cf\u8ff0\u548c\u89e3\u51b3\u65b9\u6cd5\uff0c\u6211\u4eec\u53ef\u4ee5\u6e05\u6670\u5730\u7406\u89e3\u7f13\u5b58\u7a7f\u900f\u3001\u51fb\u7a7f\u548c\u96ea\u5d29\u7684\u5dee\u5f02\uff0c\u4ee5\u53ca\u76f8\u5bf9\u5e94\u7684\u89e3\u51b3\u7b56\u7565\uff0c\u8fd9\u5bf9\u4e8e\u8bbe\u8ba1\u9ad8\u53ef\u7528\u3001\u9ad8\u6027\u80fd\u7684\u7f13\u5b58\u7cfb\u7edf\u81f3\u5173\u91cd\u8981\u3002<\/p>\n<\/p>\n

        \u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n

        1. \u7f13\u5b58\u7a7f\u900f\u662f\u6307\u4ec0\u4e48\uff1f\u5982\u4f55\u89e3\u51b3\u7f13\u5b58\u7a7f\u900f\u95ee\u9898\uff1f<\/strong><\/p>\n

        \u7f13\u5b58\u7a7f\u900f\u662f\u6307\u5728\u67e5\u8be2\u4e00\u4e2a\u4e0d\u5b58\u5728\u7684\u6570\u636e\u65f6\uff0c\u7f13\u5b58\u5c42\u548c\u6570\u636e\u5e93\u5c42\u90fd\u6ca1\u6709\u547d\u4e2d\uff0c\u5bfc\u81f4\u6bcf\u6b21\u8bf7\u6c42\u90fd\u76f4\u63a5\u8bbf\u95ee\u6570\u636e\u5e93\uff0c\u589e\u52a0\u6570\u636e\u5e93\u7684\u8d1f\u8f7d\u538b\u529b\u3002\u4e3a\u4e86\u89e3\u51b3\u7f13\u5b58\u7a7f\u900f\u95ee\u9898\uff0c\u53ef\u4ee5\u91c7\u53d6\u4ee5\u4e0b\u7b56\u7565\uff1a<\/p>\n

          \n
        • \u4f7f\u7528\u5e03\u9686\u8fc7\u6ee4\u5668\uff1a\u5e03\u9686\u8fc7\u6ee4\u5668\u662f\u4e00\u79cd\u9ad8\u6548\u7684\u6570\u636e\u7ed3\u6784\uff0c\u53ef\u4ee5\u5728O(1)\u7684\u65f6\u95f4\u590d\u6742\u5ea6\u5185\u5224\u65ad\u4e00\u4e2a\u5143\u7d20\u662f\u5426\u5b58\u5728\u3002\u5c06\u67e5\u8be2\u8fc7\u7684\u6570\u636e\u5b58\u50a8\u5728\u5e03\u9686\u8fc7\u6ee4\u5668\u4e2d\uff0c\u4e0b\u6b21\u67e5\u8be2\u65f6\u5148\u901a\u8fc7\u5e03\u9686\u8fc7\u6ee4\u5668\u5224\u65ad\uff0c\u5982\u679c\u4e0d\u5b58\u5728\u5c31\u4e0d\u518d\u8bbf\u95ee\u6570\u636e\u5e93\u3002<\/li>\n
        • \u6dfb\u52a0\u7f13\u5b58\u7a7a\u5bf9\u8c61\uff1a\u5bf9\u4e8e\u4e0d\u5b58\u5728\u7684\u6570\u636e\uff0c\u4e5f\u53ef\u4ee5\u5c06\u5176\u7f13\u5b58\u4e3a\u4e00\u4e2a\u7a7a\u5bf9\u8c61\uff0c\u8fd9\u6837\u4e0b\u6b21\u67e5\u8be2\u65f6\u76f4\u63a5\u4ece\u7f13\u5b58\u4e2d\u53d6\u503c\uff0c\u907f\u514d\u76f4\u63a5\u8bbf\u95ee\u6570\u636e\u5e93\u3002<\/li>\n<\/ul>\n

          2. \u4ec0\u4e48\u662f\u7f13\u5b58\u51fb\u7a7f\uff1f\u5982\u4f55\u907f\u514d\u7f13\u5b58\u51fb\u7a7f\uff1f<\/strong><\/p>\n

          \u7f13\u5b58\u51fb\u7a7f\u662f\u6307\u4e00\u4e2a\u70ed\u70b9\u6570\u636e\u8fc7\u671f\u6216\u88ab\u5220\u9664\uff0c\u5bfc\u81f4\u5927\u91cf\u8bf7\u6c42\u540c\u65f6\u6d8c\u5165\u6570\u636e\u5e93\uff0c\u538b\u57ae\u6570\u636e\u5e93\u7684\u60c5\u51b5\u3002\u4e3a\u4e86\u907f\u514d\u7f13\u5b58\u51fb\u7a7f\uff0c\u53ef\u4ee5\u8003\u8651\u4ee5\u4e0b\u65b9\u6cd5\uff1a<\/p>\n

            \n
          • \u8bbe\u7f6e\u70ed\u70b9\u6570\u636e\u52a0\u9501\uff1a\u5728\u6570\u636e\u5373\u5c06\u8fc7\u671f\u65f6\uff0c\u5148\u7ed9\u70ed\u70b9\u6570\u636e\u52a0\u9501\uff0c\u5176\u4ed6\u8bf7\u6c42\u5728\u83b7\u5f97\u9501\u4e4b\u524d\u7b49\u5f85\uff0c\u5f85\u6570\u636e\u5237\u65b0\u540e\u518d\u91ca\u653e\u9501\uff0c\u4fdd\u8bc1\u53ea\u6709\u4e00\u4e2a\u8bf7\u6c42\u53bb\u66f4\u65b0\u6570\u636e\u5e93\u3002<\/li>\n
          • \u8bbe\u7f6e\u70ed\u70b9\u6570\u636e\u5f02\u6b65\u5237\u65b0\uff1a\u5728\u6570\u636e\u5373\u5c06\u8fc7\u671f\u65f6\uff0c\u5f02\u6b65\u7ebf\u7a0b\u53bb\u5237\u65b0\u6570\u636e\uff0c\u4fdd\u8bc1\u5373\u4f7f\u6570\u636e\u8fc7\u671f\uff0c\u6570\u636e\u5e93\u4e5f\u4e0d\u4f1a\u88ab\u5927\u91cf\u8bf7\u6c42\u538b\u57ae\uff0c\u4fdd\u8bc1\u7cfb\u7edf\u7684\u7a33\u5b9a\u6027\u3002<\/li>\n<\/ul>\n

            3. \u4ec0\u4e48\u662f\u7f13\u5b58\u96ea\u5d29\uff1f\u5982\u4f55\u9884\u9632\u7f13\u5b58\u96ea\u5d29\uff1f<\/strong><\/p>\n

            \u7f13\u5b58\u96ea\u5d29\u662f\u6307\u5728\u7f13\u5b58\u5c42\u51fa\u73b0\u5927\u89c4\u6a21\u7684\u7f13\u5b58\u5931\u6548\uff0c\u5bfc\u81f4\u5927\u91cf\u8bf7\u6c42\u76f4\u63a5\u8bbf\u95ee\u6570\u636e\u5e93\uff0c\u9020\u6210\u6570\u636e\u5e93\u7684\u77ac\u65f6\u538b\u529b\u8fc7\u5927\uff0c\u751a\u81f3\u5b95\u673a\u7684\u60c5\u51b5\u3002\u4e3a\u4e86\u9884\u9632\u7f13\u5b58\u96ea\u5d29\uff0c\u53ef\u4ee5\u91c7\u53d6\u4ee5\u4e0b\u63aa\u65bd\uff1a<\/p>\n

              \n
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