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  • Itamar Haber liked Redis acc 2015_eng Redis acc 2015_eng 2 hours ago
    Itamar Haber
  • Itamar Haber commented on UV logic using redis bitmap UV logic using redis bitmap 1 month ago
    Itamar Haber
    • Itamar Haber Itamar Haber (Enter posts the comment - sheesh!) You may want to explore the wonderful world of HyperLogLog and Redis` support for that - it allows counting uniques very efficiently with a fixed maximum error. Also, while it is true that BITOP is O(1), the size of the the Bitmap does affect the time of execution... 4 billion UV will take longer :)  1 month ago
    • Itamar Haber Itamar Haber Took me a while to understand that UV is unique visitors, but makes perfect sense. Good presentation!  1 month ago
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