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How to Process Late Arriving Data

Late Data in the Receiver



  • Using a local in-memory cache: ConcurrentHashMap
  • Using a remote cache: Amazon ElastiCache for Redis


  1. Find champions and build grassroots awareness.
  2. Prove the magnitude of a problem.
  3. Address both user happiness and unhappiness.
  4. Find advocates in senior leadership.
  5. Align with the goals of the company and CEO.
  6. Find more staff bandwidth and…



Dataset Sizes and Test Environment




Batch processing pipeline


Goal

Candidates for experimenting

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