DynamoDB - Access Patterns and Query Optimization
Which of the following best describes how write sharding is implemented in DynamoDB?
Which of the following best describes how write sharding is implemented in DynamoDB?
easy🧠 Conceptual Q2 of 15
Step-by-Step Solution
Solution:
Step 1: Recall write sharding method
Write sharding is done by modifying the partition key, often by appending a random or calculated suffix to create multiple logical shards.Step 2: Match the correct implementation
Adding a random suffix to the partition key creates multiple partitions to spread writes.Final Answer:
By adding a random suffix to the partition key to create multiple shards. -> Option AQuick Check:
Write sharding = Modify partition key with suffix [OK]
Quick Trick: Add suffix to partition key for sharding [OK]
Common Mistakes:
MISTAKES- Confusing read capacity with write sharding
- Thinking global secondary indexes handle writes
- Assuming DynamoDB Streams shard writes
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