{"id":307,"title":"redis\u5e03\u9686\u8fc7\u6ee4\u5668","good":0,"bad":0,"hit":2670,"created_at":"2018-06-14 22:31:11","content":"<p>\u3010redis\u5e03\u9686\u8fc7\u6ee4\u5668\u3011<\/p><p>\u9488\u5bf9\u7684\u95ee\u9898\uff0c\u5982\uff1a<\/p><p>\u572850\u4ebf\u4e2a\u7535\u8bdd\u53f7\u7801\u4e2d\uff0c\u51c6\u786e\u4e14\u5feb\u901f\u5224\u65ad\u67d010\u4e07\u4e2a\u7535\u8bdd\u53f7\u7801\u662f\u5426\u5b58\u5728\u4e8e\u5176\u4e2d<\/p><p>\u5783\u573e\u90ae\u4ef6\u8fc7\u6ee4<\/p><p>\u5355\u8bcd\u62fc\u5199\u68c0\u67e5<\/p><p>\u89e3\u51b3\u65b9\u6cd5\uff1a<\/p><p>mysql:\u6162\uff0c<\/p><p>HypeLogLog:\u5185\u5b58\u4f7f\u7528\u91cf\u6bd4\u8f83\u5927\uff0c\u8bef\u5dee\u5927<\/p><p>\u5e03\u9686\u8fc7\u6ee4\u5668\uff1a\u8bef\u5dee\u5c0f\uff0c\u76f8\u5bf9\u8f83\u5feb<\/p><p>\u539f\u7406\uff1a<\/p><p>\u7ed3\u5408bitmap(\u5b83\u63d0\u4f9b\u4e00\u4e2a\u6700\u5927\u957f\u5ea6\u4e3a512MB\uff082^32\uff09\u7684\u4f4d\u6570\u7ec4),\u4ea7\u751f\u4e00\u4e2a\u5f88\u957f\u7684\u4f4d\u56fe\uff0c\u5c0650\u4ebf\u4e2a\u7535\u8bdd\u53f7\u7801\u4e2d\u7684\u6bcf\u4e00\u4e2a\u7ecf\u8fc7\u591a\u4e2ahash\u51fd\u6570\u8ba1\u7b97\uff0c<\/p><p>\u5c06\u5f97\u5230\u7684\u67d0\u4e2a\u4f4d\u7f6e\u6807\u8bb0\u4e3a1\uff1b\u7136\u540e\u5c0610\u4e07\u4e2a\u4e2d\u7684\u67d0\u4e2a\u7535\u8bdd\u901a\u8fc7\u76f8\u540c\u7684hash\u51fd\u6570\u8ba1\u7b97\u5f97\u5230\u7684<\/p><p>\u4f4d\u7f6e\u4e0ebigmap\u4e2d\u7684\u6570\u636e\u8fdb\u884c\u6bd4\u8f83\uff0c\u5982\u679c\u76f8\u7b49\u5219\u8868\u793a\u5b58\u5728\uff0c\u5426\u5219\u4e0d\u5b58\u5728\uff1b\u8fd9\u4e2a\u4e5f\u662f\u6709\u53ef\u80fd\u4ea7\u751f\u8bef\u5dee\u7684\uff0c\u4f46\u6bd4HyperLogLog\u8bef\u5dee\u5c0f\u5f97\u591a<\/p><p>https:\/\/blog.csdn.net\/qq_30242609\/article\/details\/71024458<\/p><p>https:\/\/blog.csdn.net\/NEWCIH\/article\/details\/78934420<\/p><p><br\/><\/p><p><a href=\"https:\/\/blog.csdn.net\/justdoithai\/article\/details\/51233082\">https:\/\/blog.csdn.net\/justdoithai\/article\/details\/51233082<\/a><\/p><p><br\/><\/p><p><br\/><\/p><p>\u7531\u56fe\u4e2d\u53ef\u4ee5\u770b\u51fa\u5e03\u9686\u8fc7\u6ee4\u5668\u4e0d\u80fd\u5224\u65ad\u4e00\u4e2a\u503c&nbsp;\u662f\u5426\u4e00\u5b9a\u5b58\u5728\u4e8e\u5176\u4e2d\uff0c\u4f46\u53ef\u4ee5\u5224\u65ad\u4e00\u5b9a\u4e0d\u5b58\u5728\u5176\u4e2d\uff1b<\/p><p>\u7531\u4e8e\u67d0\u4e2a\u4f4d\u7f6e\u53ef\u80fd\u5171\u7528\uff0c\u6240\u4ee5\u4e0d\u80fd\u5220\u9664\u5e03\u9686\u8fc7\u6ee4\u5668\u7684\u6570\u636e<\/p><p><br\/><\/p><p><img src=\"https:\/\/api.hu-rong.com\/uploads\/image\/20200629\/1593424472990426.png\" title=\"1593424472990426.png\" alt=\"image.png\"\/><\/p>"}