advancedTop 15 System Design Questions
Design a social media analytics dashboard showing real-time metrics.
Event ingestion: Kafka for all social events (likes, shares, comments, views) Real-time counters: Redis INCR/INCRBY for live counts per post Time-series: Redis Sorted Set for events per minute; ZRANGEBYSCORE for window Aggregations: Kafka Streams or Flink for real-time aggregate computation Dashboard storage: Redis for current metrics; Cassandra for historical time-series Trending: sliding window
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Design a social media analytics dashboard showing real-time metrics.