hard20 pts · first answer countscloud-databasesperformance

DynamoDB throttling under the limit

A DynamoDB table uses order status (PENDING, PAID, SHIPPED) as its partition key. Writes are throttled even though total traffic is far below the table limits. Why?

A.On-demand tables are capped at three partitions for each tableB.DynamoDB needs a sort key defined before it accepts high write ratesC.A low-cardinality partition key creates a few hot partitionsD.Global secondary indexes always throttle the base table

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