You Are Experiencing Performance Issues Writing to a DynamoDB Table

question 440

Multiple Choice

You are experiencing performance issues writing to a DynamoDB table. Your system tracks high scores for video games on a marketplace. Your most popular game experiences all of the performance issues. What is the most likely problem?

• A) DynamoDB's vector clock is out of sync, because of the rapid growth in request for the most popular game.
• B) You selected the Game ID or equivalent identifier as the primary partition key for the table.
• C) Users of the most popular video game each perform more read and write requests than average.
• D) You did not provision enough read or write throughput to the table.

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Definitions:

Pegged Exchange Rate

A currency system where a country's currency value is fixed or linked to another currency or a basket of currencies.

Fixed Exchange-rate System

A currency system where the value of a country's currency is pegged to another currency, a basket of currencies, or a commodity like gold.

Central Bank

An institution that manages a country’s currency, money supply, and interest rates, often overseeing the commercial banking system of their country or monetary union.