System Design Interview - Top K Problem (Heavy Hitters)

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Topics mentioned in the video:
- Stream and batch processing data pipelines.
- Count-min sketch data structure.
- MapReduce paradigm.
- Various applications of the top k problem solution (Google/Twitter/YouTube trends, popular products, volatile stocks, DDoS attack prevention).

Merge N sorted lists problem: https://leetcode.com/problems/merge-k...

Inspired by the following interview questions:
Amazon (https://www.careercup.com/question?id...)
Facebook (https://www.careercup.com/question?id...)
Google (https://www.careercup.com/question?id...)
LinkedIn (https://www.careercup.com/question?id...)
Twitter (https://www.careercup.com/question?id...)
Yahoo (https://www.careercup.com/question?id...)