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Data World 3 · Streams in Motion · Stage 2

Hot Shard

One merchant, one key, one shard: spread the load and keep each card in order.

  • Shards and partition keys
  • Write limits
  • On-demand and provisioned
  • Ordering
Domain
Data engineering
World
Data World 3: Streams in Motion (Associate)
Game type
Stream clock: Key and size a stream, then play every second of its peak.
Time
About 25 minutes on a first attempt (estimated)
Exam guides
  • SAA-C03Task 3.5: Determine high-performing data ingestion and transformation solutions
  • DEA-C01Skill 1.1.9: Implement throttling and overcoming rate limits (for example, DynamoDB, Amazon RDS, Kinesis); Skill 2.1.1: Implement the appropriate storage services for specific cost and performance requirements (for example, Amazon Redshift, Amazon EMR, AWS Lake Formation, Amazon RDS, Amazon DynamoDB, Amazon Kinesis Data Streams, Amazon Managed Streaming for Apache Kafka [Amazon MSK]); Skill 1.1.1: Read data from streaming sources (for example, Amazon Kinesis, Amazon Managed Streaming for Apache Kafka [Amazon MSK], Amazon DynamoDB Streams, AWS DMS, AWS Glue, Amazon Redshift)
  • MLA-C02Skill 1.1.3: Troubleshoot and debug data ingestion and storage issues that involve capacity and scalability