Selected Java Interview Questions
May 16, 2020 · Big Data
How Reddit Counts Page Views at Scale Using HyperLogLog and Kafka
The article explains Reddit's large‑scale page‑view counting system, detailing its real‑time requirements, the challenges of naive hash‑set storage, and how a hybrid approach using linear probability and HyperLogLog algorithms together with Kafka, Redis, and Cassandra achieves accurate, low‑memory, near‑real‑time analytics.
Big DataHyperLogLogKafka
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