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UltraLogLog: A more space-efficient alternative to HyperLogLog
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1 points
by oertl
1474 days ago
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The newest version of the hash4j Java library (https://github.com/dynatrace-oss/hash4j) introduces UltraLogLog, a new data sketch for approximate distinct counting that uses 22% less space than HyperLogLog using 6-bit registers to achieve similar estimation errors. |
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