{"id":201323,"date":"2025-05-10T10:34:30","date_gmt":"2025-05-10T02:34:30","guid":{"rendered":"https:\/\/server.hk\/cnblog\/201323\/"},"modified":"2025-05-10T10:34:30","modified_gmt":"2025-05-10T02:34:30","slug":"redis%e4%b8%89%e7%a7%8d%e7%89%b9%e6%ae%8a%e6%95%b0%e6%8d%ae%e7%b1%bb%e5%9e%8b%e7%9a%84%e5%85%b7%e4%bd%93%e4%bd%bf%e7%94%a8","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/201323\/","title":{"rendered":"Redis\u4e09\u79cd\u7279\u6b8a\u6570\u636e\u7c7b\u578b\u7684\u5177\u4f53\u4f7f\u7528"},"content":{"rendered":"

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

Redis\u4e09\u79cd\u7279\u6b8a\u6570\u636e\u7c7b\u578b\u7684\u5177\u4f53\u4f7f\u7528<\/h1>\n

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

\u6765\u5230golang\u5b66\u4e60\u7f51\u7684\u5927\u5bb6\uff0c\u76f8\u4fe1\u90fd\u662f\u7f16\u7a0b\u5b66\u4e60\u7231\u597d\u8005\uff0c\u5e0c\u671b\u5728\u8fd9\u91cc\u5b66\u4e60\u6570\u636e\u5e93\u76f8\u5173\u7f16\u7a0b\u77e5\u8bc6\u3002\u4e0b\u9762\u672c\u7bc7\u6587\u7ae0\u5c31\u6765\u5e26\u5927\u5bb6\u804a\u804a\u300aRedis\u4e09\u79cd\u7279\u6b8a\u6570\u636e\u7c7b\u578b\u7684\u5177\u4f53\u4f7f\u7528\u300b\uff0c\u4ecb\u7ecd\u4e00\u4e0b\u6570\u636e\u7c7b\u578b\u3001Redis\u7279\u6b8a\uff0c\u5e0c\u671b\u5bf9\u5927\u5bb6\u7684\u77e5\u8bc6\u79ef\u7d2f\u6709\u6240\u5e2e\u52a9\uff0c\u52a9\u529b\u5b9e\u6218\u5f00\u53d1\uff01<\/p>\n

\u4e00\u3001HyperLogLog \u57fa\u6570\u7edf\u8ba1<\/h2>\n

1.1 \u4ec0\u4e48\u662f\u57fa\u6570\uff1f<\/h3>\n

\u6211\u4eec\u76f4\u63a5\u901a\u8fc7\u4e00\u4e2a\u4f8b\u5b50\u5c31\u53ef\u4ee5\u660e\u767d\u4ec0\u4e48\u662f\u57fa\u6570\u7edf\u8ba1\uff0c\u6bd4\u5982\u6570\u636e\u96c6 {1, 2, 3, 3, 5, 5,}\uff0c \u90a3\u4e48\u8fd9\u4e2a\u6570\u636e\u96c6\u7684\u57fa\u6570\u96c6\u4e3a {1,2\uff0c3\uff0c5}, \u57fa\u6570(\u4e0d\u91cd\u590d\u5143\u7d20)\u4e3a4\u3002\u4e5f\u5c31\u662f\u8bf4\u662f\u4e0d\u91cd\u590d\u5143\u7d20\u7684\u4e2a\u6570\u3002<\/p>\n

1.2 \u4f7f\u7528\u57fa\u6570\u7edf\u8ba1\u7684\u597d\u5904<\/h3>\n

\u6bcf\u4e2a HyperLogLog \u952e\u53ea\u9700\u8981\u82b1\u8d39 12 KB \u5185\u5b58\uff0c\u5c31\u53ef\u4ee5\u8ba1\u7b97\u63a5\u8fd1 2^64 \u4e2a\u4e0d\u540c\u5143\u7d20\u7684\u57fa\u6570\u3002\u8fd9\u548c\u8ba1\u7b97\u57fa\u6570\u65f6\uff0c\u5143\u7d20\u8d8a\u591a\u8017\u8d39\u5185\u5b58\u5c31\u8d8a\u591a\u7684\u96c6\u5408\u5f62\u6210\u9c9c\u660e\u5bf9\u6bd4\u3002\u5982\u679c\u8981\u4ece\u5185\u5b58\u89d2\u5ea6\u6765\u6bd4\u8f83\u7684\u8bddHyperloglog\u662f\u9996\u9009\u3002<\/p>\n

1.3 \u5e94\u7528\u573a\u666f<\/h3>\n

    \u7f51\u9875\u7684uv\uff08\u4e00\u4e2a\u4eba\u8bbf\u95ee\u4e00\u4e2a\u7f51\u7ad9\u591a\u6b21\uff0c\u4f46\u662f\u8fd8\u662f\u7b97\u505a\u4e00\u4e2a\u4eba\uff09<\/p>\n

    \n
  • \u4f20\u7edf\u7684\u65b9\u5f0f\uff1aset\uff08\u56e0\u4e3aset\u4e0d\u5141\u8bb8\u91cd\u590d\uff0c\u5982\u679c\u91cd\u590d\u5c31\u8986\u76d6\uff09\u4fdd\u5b58\u7528\u6237\u7684id\uff0c\u7136\u540e\u5c31\u53ef\u4ee5\u7edf\u8ba1\uff0cset\u4e2d\u5143\u7d20\u6570\u91cf\u4f5c\u4e3a\u6807\u51c6\u5224\u65ad\uff0c\u8fd9\u4e2a\u65b9\u5f0f\u5982\u679c\u4fdd\u5b58\u5927\u91cf\u7684\u7528\u6237id\uff0c\u5c31\u4f1a\u6bd4\u8f83\u9ebb\u70e6\u5e76\u4e14\u5728\u5927\u578b\u7f51\u7ad9\u4e2d\u4f1a\u5360\u7528\u5927\u91cf\u7684\u5185\u5b58\u3002\u6211\u4eec\u7684\u76ee\u7684\u662f\u4e3a\u4e86\u8ba1\u6570\uff0c\u800c\u4e0d\u662f\u4fdd\u5b58\u7528\u6237id\u3002<\/li>\n
  • \u4f7f\u7528HyperLogLog\uff1a\u4e00\u4e2aHyperLogLog \u952e\u53ea\u9700\u898112KB\uff0c\u80fd\u591f\u8ba1\u7b97\u7684\u6570\u91cf\u5374\u975e\u5e38\u5de8\u5927\uff0c\u5360\u7528\u7684\u5185\u5b58\u7a7a\u95f4\u5927\u5927\u51cf\u5c11\u3002<\/li>\n<\/ul>\n

    1.4 \u6ce8\u610f\u4e8b\u9879 <\/h3>\n

    \u5982\u679c\u5141\u8bb8\u5bb9\u9519(0.81% \u9519\u8bef\u7387,\u8ba1\u6570\u7684\u8bdd\u53ef\u4ee5\u5ffd\u7565\u4e0d\u8ba1\uff09\uff0c\u90a3\u4e48\u4e00\u5b9a\u53ef\u4ee5\u4f7f\u7528Hyperloglog\uff01\u5982\u679c\u4e0d\u5141\u8bb8\u5bb9\u9519\uff0c\u5c31\u4f7f\u7528set\u6216\u8005\u81ea\u5df1\u7684\u6570\u636e\u7c7b\u578b\u5373\u53ef\uff01<\/p>\n

    1.5 \u57fa\u672c\u547d\u4ee4<\/h3>\n\n\n\n\n\n\n
    \u5e8f\u53f7<\/th>\n\u547d\u4ee4\u53ca\u63cf\u8ff0<\/th>\n<\/tr>\n
    1<\/td>\nPFADD key element [element …]
    \u6dfb\u52a0\u6307\u5b9a\u5143\u7d20\u5230 HyperLogLog \u4e2d\u3002\u200b<\/td>\n<\/tr>\n
    2<\/td>\nPFCOUNT key [key …]
    \u8fd4\u56de\u7ed9\u5b9a HyperLogLog \u7684\u57fa\u6570\u4f30\u7b97\u503c\u3002\u200b<\/td>\n<\/tr>\n
    3<\/td>\nPFMERGE destkey sourcekey [sourcekey …]
    \u5c06\u591a\u4e2a HyperLogLog \u5408\u5e76\u4e3a\u4e00\u4e2a HyperLogLog\u200b<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

    1.6 \u4f7f\u7528<\/h3>\n
    127.0.0.1:6379> pfadd mykey1 a b c d e f   #\u7ed9\u7b2c\u4e00\u7ec4\u6dfb\u52a0\u6570\u636e\n(integer) 1\n127.0.0.1:6379> pfcount mykey1  #\u7edf\u8ba1mykey1\u7684\u57fa\u6570\u6570\u91cf\n(integer) 6\n127.0.0.1:6379> pfadd mykey2 e e f j  #\u7ed9\u7b2c\u4e8c\u7ec4\u6dfb\u52a0\u6570\u636e\n(integer) 1\n127.0.0.1:6379> pfcount mykey2     #\u7edf\u8ba1mykey2\u7684\u57fa\u6570\u6570\u91cf\n(integer) 3\n127.0.0.1:6379> pfmerge mykey3 mykey1 mykey2   # \u5408\u5e76\u4e24\u7ec4 mykey1 mykey2 => mykey3 \u5e76\u96c6\nOK\n127.0.0.1:6379> pfcount mykey3    #\u7edf\u8ba1mykey3\u7684\u57fa\u6570\u6570\u91cf\n(integer) 7\n<\/pre>\n
    \u4e8c\u3001Geospatial \u5730\u7406\u4f4d\u7f6e<\/h2>\n
    2.1 \u4ecb\u7ecd<\/h3>\n
    Redis3.2 \u7248\u672c\u5f00\u59cb\u63a8\u51fa\u7684Geospatial\uff0c\u53ef\u4ee5\u63a8\u7b97\u5730\u7406\u4f4d\u7f6e\u7684\u4fe1\u606f\uff0c\u4e24\u5730\u4e4b\u95f4\u7684\u8ddd\u79bb\uff0c\u65b9\u5706\u51e0\u91cc\u7684\u4eba\u3002<\/p>\n
    2.2 \u4f7f\u7528\u573a\u666f<\/h3>\n
      \n
    •  \u670b\u53cb\u5b9a\u4f4d<\/li>\n
    •  \u67e5\u770b\u9644\u8fd1\u7684\u4eba<\/li>\n
    •  \u6253\u8f66\u8ddd\u79bb\u8ba1\u7b97<\/li>\n<\/ul>\n
      2.3 \u57fa\u672c\u547d\u4ee4<\/h3>\n\n\n\n\n\n\n\n\n\n\n\n
      \u5e8f\u53f7<\/th>\n\u547d\u4ee4\u53ca\u63cf\u8ff0<\/th>\n<\/tr>\n
      1<\/td>\nGEOADD key \u7ecf\u5ea6 \u7eac\u5ea6 \u5730\u70b9\u540d\u79f0<\/strong>
      \u5c06\u6307\u5b9a\u7684\u5730\u7406\u7a7a\u95f4\u4f4d\u7f6e\uff08\u7eac\u5ea6\u3001\u7ecf\u5ea6\u3001\u540d\u79f0\uff09\u6dfb\u52a0\u5230\u6307\u5b9a\u7684key\u4e2d<\/td>\n<\/tr>\n
      2<\/td>\nGEOPOS key \u5730\u70b9\u540d\u79f0<\/strong>
      \u4ecekey\u91cc\u8fd4\u56de\u6240\u6709\u7ed9\u5b9a\u4f4d\u7f6e\u5143\u7d20\u7684\u4f4d\u7f6e\uff08\u7ecf\u5ea6\u548c\u7eac\u5ea6\uff09\u3002<\/td>\n<\/tr>\n
      3<\/td>\nGEODIST key \u5730\u70b91 \u5730\u70b92 \u5355\u4f4d<\/strong>
      \u8fd4\u56de\u4e24\u4e2a\u7ed9\u5b9a\u4f4d\u7f6e\u4e4b\u95f4\u7684\u8ddd\u79bb\uff0c\u5982\u679c\u4e24\u4e2a\u4f4d\u7f6e\u4e4b\u95f4\u7684\u5176\u4e2d\u4e00\u4e2a\u4e0d\u5b58\u5728\uff0c \u90a3\u4e48\u547d\u4ee4\u8fd4\u56de\u7a7a\u503c\u3002<\/td>\n<\/tr>\n
      4<\/td>\n\n
      GEORADIUS key \u7ecf\u5ea6 \u7eac\u5ea6 \u8303\u56f4\u6570\u503c \u5355\u4f4d<\/strong><\/p>\n
      \u4ee5\u7ed9\u5b9a\u7684\u7ecf\u7eac\u5ea6\u4e3a\u4e2d\u5fc3\uff0c \u627e\u51fa\u67d0\u4e00\u534a\u5f84\u5185\u7684\u5143\u7d20<\/p>\n<\/td>\n<\/tr>\n
      5<\/td>\nGEORADIUSBYMEMBER key \u5730\u70b9 \u8ddd\u79bb\u6570\u503c \u5355\u4f4d<\/strong>
      \u627e\u51fa\u4f4d\u4e8e\u6307\u5b9a\u8303\u56f4\u5185\u7684\u5143\u7d20\uff0c\u4e2d\u5fc3\u70b9\u662f\u7531\u7ed9\u5b9a\u7684\u4f4d\u7f6e\u5143\u7d20\u51b3\u5b9a<\/td>\n<\/tr>\n
      6<\/td>\nGEOHASH key \u5730\u70b91 \u5730\u70b92<\/strong>
      \u5c06\u8fd4\u56de11\u4e2a\u5b57\u7b26\u7684Geohash\u5b57\u7b26\u4e32\uff0c\u5982\u679c\u4e24\u4e2a\u5b57\u7b26\u4e32\u8d8a\u63a5\u8fd1\uff0c\u90a3\u4e48\u5219\u8ddd\u79bb\u8d8a\u8fd1\u3002<\/td>\n<\/tr>\n
      7<\/td>\nzrange key start stop<\/strong>
      \u83b7\u5f97\u6307\u5b9akey\u4e2d\u5750\u6807\u4fe1\u606f<\/td>\n<\/tr>\n
      8<\/td>\nzrem key \u5730\u70b9<\/strong>
      \u5220\u9664\u6307\u5b9akey\u4e0b\u6307\u5b9a\u76ee\u6807\u7684\u6570\u636e<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
      \u67e5\u8be2\u5730\u70b9\u7ecf\u7eac\u5ea6\uff1a<\/p>\n<\/p>\n
      2.4 \u8be6\u7ec6\u8bb2\u89e3<\/h3>\n
      2.4.1 GEOADD<\/h4>\n
      \u4f5c\u7528\uff1a\u6dfb\u52a0\u5730\u7406\u4f4d\u7f6e<\/p>\n
      \u89c4\u5219\uff1a\u4e24\u7ea7\u65e0\u6cd5\u76f4\u63a5\u6dfb\u52a0\uff0c\u6211\u4eec\u4e00\u822c\u4f1a\u4e0b\u8f7d\u57ce\u5e02\u6570\u636e\uff0c\u76f4\u63a5\u901a\u8fc7java\u7a0b\u5e8f\u4e00\u6b21\u6027\u5bfc\u5165\uff01<\/p>\n
      \u8bed\u6cd5\uff1aGEOADD key \u7ecf\u5ea6 \u7eac\u5ea6 \u5730\u70b9\u540d\u79f0<\/p>\n
       \u6ce8\u610f\u4e8b\u9879<\/strong><\/p>\n
      \u6709\u6548\u7684\u7ecf\u5ea6\u4ece-180\u5ea6\u5230180\u5ea6\u3002<\/p>\n
      \u6709\u6548\u7684\u7eac\u5ea6\u4ece-85.05112878\u5ea6\u523085.05112878\u5ea6\u3002<\/p>\n
      \u5f53\u5750\u6807\u4f4d\u7f6e\u8d85\u51fa\u4e0a\u8ff0\u6307\u5b9a\u8303\u56f4\u65f6\uff0c\u8be5\u547d\u4ee4\u5c06\u4f1a\u8fd4\u56de\u4e00\u4e2a\u9519\u8bef\u3002<\/p>\n
       \u4f7f\u7528<\/strong><\/p>\n
      #\u6dfb\u52a0\u5355\u4e2a\u4fe1\u606f\n127.0.0.1:6379> geoadd address 116.708463 23.37102 shantou   \n(integer) 1\n#\u6dfb\u52a0\u591a\u4e2a\u4fe1\u606f\n127.0.0.1:6379> geoadd address 116.405285 39.904989 beijin 121.472644 31.231706 shanghai\n(integer) 2\n<\/pre>\n
      2.4.2 GEOPOS<\/h4>\n
      \u4f5c\u7528\uff1a\u83b7\u5f97\u6307\u5b9a\u5730\u70b9\u7684\u4f4d\u7f6e\u4fe1\u606f\uff08\u7ecf\u7eac\u5ea6\uff09<\/p>\n
      \u8bed\u6cd5\uff1aGEOPOS key \u5730\u70b9\u540d\u79f0<\/p>\n
       \u4f7f\u7528<\/p>\n
      127.0.0.1:6379> geopos address beijin   #\u83b7\u5f97\u5317\u4eac\u7684\u5730\u7406\u4f4d\u7f6e\n1) 1) \"116.40528291463851929\"  #\u7ecf\u5ea6\n   2) \"39.9049884229125027\"   #\u7eac\u5ea6\n<\/pre>\n
      2.4.3 GEODIST<\/h4>\n
      \u4f5c\u7528\uff1a\u8fd4\u56de\u4e24\u4e2a\u7ed9\u5b9a\u4f4d\u7f6e\u4e4b\u95f4\u7684\u8ddd\u79bb\uff0c\u5982\u679c\u4e24\u4e2a\u4f4d\u7f6e\u4e4b\u95f4\u7684\u5176\u4e2d\u4e00\u4e2a\u4e0d\u5b58\u5728\uff0c \u90a3\u4e48\u547d\u4ee4\u8fd4\u56de\u7a7a\u503c\u3002<\/p>\n
      \u8bed\u6cd5\uff1aGEODIST key \u5730\u70b91 \u5730\u70b92 \u5355\u4f4d<\/p>\n
       \u5355\u4f4d\u53c2\u6570\uff1a<\/p>\n
        \n
      • m \u8868\u793a\u5355\u4f4d\u4e3a\u7c73\u3002<\/li>\n
      • km \u8868\u793a\u5355\u4f4d\u4e3a\u5343\u7c73\u3002<\/li>\n
      • mi \u8868\u793a\u5355\u4f4d\u4e3a\u82f1\u91cc\u3002<\/li>\n
      • ft \u8868\u793a\u5355\u4f4d\u4e3a\u82f1\u5c3a\u3002<\/li>\n<\/ul>\n
        \u5982\u679c\u7528\u6237\u6ca1\u6709\u663e\u5f0f\u5730\u6307\u5b9a\u5355\u4f4d\u53c2\u6570\uff0c \u90a3\u4e48 GEODIST \u9ed8\u8ba4\u4f7f\u7528\u7c73\u4f5c\u4e3a\u5355\u4f4d\u3002<\/p>\n
         \u4f7f\u7528\uff1a<\/p>\n
        127.0.0.1:6379> geodist address beijin shanghai km  #\u67e5\u8be2\u5317\u4eac\u4e0e\u4e0a\u6d77\u4e4b\u95f4\u7684\u8ddd\u79bb\n\"1067.5980\"\n<\/pre>\n
        2.4.4 GEORADIUS<\/h4>\n
        \u4f5c\u7528\uff1a\u4ee5\u7ed9\u5b9a\u7684\u7ecf\u7eac\u5ea6\u4e3a\u4e2d\u5fc3\uff0c \u627e\u51fa\u67d0\u4e00\u534a\u5f84\u5185\u7684\u5143\u7d20\u3002<\/p>\n
        \u8bed\u6cd5\uff1aGEORADIUS key \u7ecf\u5ea6 \u7eac\u5ea6  \u8303\u56f4\u6570\u503c  \u5355\u4f4d<\/p>\n
         \u4f7f\u7528\uff1a<\/p>\n
        #\u67e5\u627e\u4ee5116\uff0c39\u8fd9\u4e2a\u7ecf\u7eac\u5ea6\u4e3a\u4e2d\u5fc3\uff0c\u5bfb\u627e\u65b9\u57061500km\u7684\u57ce\u5e02\n127.0.0.1:6379> georadius address 116 39 1500 km\n1) \"shanghai\"\n2) \"beijin\"\n \n# \u663e\u793a\u5230\u4e2d\u95f4\u8ddd\u79bb\u7684\u4f4d\u7f6e\n127.0.0.1:6379> georadius address 116 39 1500 km withdist\n1) 1) \"shanghai\"\n   2) \"996.7313\"\n2) 1) \"beijin\"\n   2) \"106.5063\"\n \n#\u663e\u793a\u4ed6\u4eba\u7684\u5b9a\u4f4d\u4fe1\u606f\n127.0.0.1:6379> georadius address 116 39 1500 km withcoord\n1) 1) \"shanghai\"\n   2) 1) \"121.47264629602432251\"\n      2) \"31.23170490709807012\"\n2) 1) \"beijin\"\n   2) 1) \"116.40528291463851929\"\n      2) \"39.9049884229125027\"\n \n#\u7b5b\u9009\u51fa\u6700\u8fd1\u7684\u57ce\u5e02\u4ee5\u53ca\u663e\u793a\u5176\u8ddd\u79bb\n127.0.0.1:6379> georadius address 116 39 1500 km withdist withcoord count 1\n1) 1) \"beijin\"\n   2) \"106.5063\"\n   3) 1) \"116.40528291463851929\"\n      2) \"39.9049884229125027\"\n \n \n#\u7b5b\u9009\u6700\u8fd1\u4e24\u4e2a\u57ce\u5e02\u4ee5\u53ca\u663e\u793a\u5176\u8ddd\u79bb\n127.0.0.1:6379> georadius address 116 39 1500 km withdist withcoord count 2\n1) 1) \"beijin\"\n   2) \"106.5063\"\n   3) 1) \"116.40528291463851929\"\n      2) \"39.9049884229125027\"\n2) 1) \"shanghai\"\n   2) \"996.7313\"\n   3) 1) \"121.47264629602432251\"\n      2) \"31.23170490709807012\"<\/pre>\n
        2.4.5 GEORADIUSBYMEMBER<\/h4>\n
        \u4f5c\u7528\uff1a\u627e\u51fa\u4f4d\u4e8e\u6307\u5b9a\u8303\u56f4\u5185\u7684\u5143\u7d20\uff0c\u4e2d\u5fc3\u70b9\u662f\u7531\u7ed9\u5b9a\u7684\u4f4d\u7f6e\u5143\u7d20\u51b3\u5b9a\u3002<\/p>\n
        \u8bed\u6cd5\uff1aGEORADIUSBYMEMBER  key \u5730\u70b9  \u8ddd\u79bb\u6570\u503c  \u5355\u4f4d<\/p>\n
         \u4f7f\u7528\uff1a<\/p>\n
        #\u627e\u51fa\u8ddd\u79bb\u5317\u4eac\u65b9\u57061500km\u5185\u7684\u57ce\u5e02\n127.0.0.1:6379> georadiusbymember address beijin 1500 km\n1) \"shanghai\"\n2) \"beijin\"<\/pre>\n
        2.4.6 GEOHASH<\/h4>\n
        \u4f5c\u7528\uff1a\u5c06\u8fd4\u56de11\u4e2a\u5b57\u7b26\u7684Geohash\u5b57\u7b26\u4e32\uff0c\u5982\u679c\u4e24\u4e2a\u5b57\u7b26\u4e32\u8d8a\u63a5\u8fd1\uff0c\u90a3\u4e48\u5219\u8ddd\u79bb\u8d8a\u8fd1\u3002<\/p>\n
        \u8bed\u6cd5\uff1aGEOHASH  key \u5730\u70b91  \u5730\u70b92<\/p>\n
         \u4f7f\u7528\uff1a<\/p>\n
        127.0.0.1:6379> geohash address beijin shantou\n1) \"wx4g0b7xrt0\"\n2) \"ws4uzy8d030\"<\/pre>\n
        2.4.7 ZRANGE<\/h4>\n
        \u4f5c\u7528\uff1a\u83b7\u5f97\u6307\u5b9akey\u4e2d\u5750\u6807\u4fe1\u606f\u3002<\/p>\n
        \u8bed\u6cd5\uff1azrange  key  start stop<\/p>\n
         \u4f7f\u7528\uff1a<\/p>\n
        127.0.0.1:6379> zrange address 0 -1\n1) \"shantou\"\n2) \"shanghai\"\n3) \"beijin\"<\/pre>\n
        2.4.8 ZREM<\/h4>\n
        \u4f5c\u7528\uff1a\u5220\u9664\u6307\u5b9akey\u4e0b\u6307\u5b9a\u76ee\u6807\u7684\u6570\u636e\u3002<\/p>\n
        \u8bed\u6cd5\uff1azrem  key \u5730\u70b9<\/p>\n
         \u4f7f\u7528\uff1a<\/p>\n
        127.0.0.1:6379> zrem address shanghai\n(integer) 1\n<\/pre>\n
        \u4e09\u3001BitMap<\/h2>\n
         \u4ecb\u7ecd<\/h3>\n
        BitMap\u662f\u901a\u8fc7\u4e00\u4e2abit\u4f4d\u6765\u8868\u793a\u67d0\u4e2a\u5143\u7d20\u5bf9\u5e94\u7684\u503c\u6216\u8005\u72b6\u6001,\u53ea\u67090 \u548c 1 \u4e24\u4e2a\u72b6\u6001\uff0c\u5176\u4e2d\u7684key\u5c31\u662f\u5bf9\u5e94\u5143\u7d20\u672c\u8eab\u3002365 \u5929 = 365 bit \uff0c1\u5b57\u8282 = 8bit \uff0c\u4e5f\u5c31\u662f\u8bf4\u7edf\u8ba1\u4e00\u5e74\u7684\u7528\u6237\u72b6\u6001\u53ea\u9700\u898146 \u4e2a\u5b57\u8282\u5de6\u53f3\uff0c\u6240\u4ee5\u5176\u80fd\u591f\u8282\u7701\u5f88\u5927\u7684\u7a7a\u95f4\u3002<\/p>\n
         \u5e94\u7528\u573a\u666f<\/p>\n
          \n
        • \uff081\uff09\u7528\u6237\u7b7e\u5230<\/li>\n
        • \uff082\uff09\u7edf\u8ba1\u6d3b\u8dc3\u7528\u6237<\/li>\n
        • \uff083\uff09\u7528\u6237\u5728\u7ebf\u72b6\u6001\uff08\u5728\u7ebf\u5c31\u8bbe\u7f6e\u4e3a1\uff0c\u4e0d\u5728\u7ebf\u5c31\u8bbe\u7f6e\u4e3a0\uff09<\/li>\n<\/ul>\n
           \u4f7f\u7528<\/p>\n
            \n
          •  \u9700\u6c42\uff1a\u8bb0\u5f55 \u5468\u4e00\u5230\u5468\u65e5\u7684\u6253\u5361<\/li>\n
          • 1\uff1a\u8868\u793a\u6709\u6253\u5361<\/li>\n
          • 0\uff1a\u8868\u793a\u6ca1\u6709\u6253\u5361<\/li>\n<\/ul>\n
            127.0.0.1:6379> setbit sign 0 1\n(integer) 0\n127.0.0.1:6379> setbit sign 1 1\n(integer) 0\n127.0.0.1:6379> setbit sign 2 0\n(integer) 0\n127.0.0.1:6379> setbit sign 3 1\n(integer) 0\n127.0.0.1:6379> setbit sign 4 1\n(integer) 0\n127.0.0.1:6379> setbit sign 5 0\n(integer) 0\n127.0.0.1:6379> setbit sign 6 0\n(integer) 0\n<\/pre>\n
             \u67e5\u770b\u67d0\u4e00\u5929\u662f\u5426\u6709\u6253\u5361<\/p>\n
            127.0.0.1:6379> getbit sign 3\n(integer) 1\n127.0.0.1:6379> getbit sign 6\n(integer) 0\n<\/pre>\n
             \u7edf\u8ba1\u672c\u5468\u7684\u6253\u5361\u8bb0\u5f55<\/p>\n
            127.0.0.1:6379> bitcount sign\n(integer) 4\n<\/pre>\n
            \u5c0f\u7ed3<\/h2>\n","protected":false},"excerpt":{"rendered":"
            Redis\u4e09\u79cd\u7279\u6b8a\u6570\u636e\u7c7b\u578b\u7684\u5177\u4f53...<\/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-201323","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/201323","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=201323"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/201323\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=201323"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=201323"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=201323"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}