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DBS-C01 · Question #284

A company is using an Amazon Aurora PostgreSQL DB cluster for the backend of its mobile application. The application is running continuously and a database specialist is satisfied with high availabili

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Submitted by jordan8· Mar 6, 2026Management and Operations

Question

A company is using an Amazon Aurora PostgreSQL DB cluster for the backend of its mobile application. The application is running continuously and a database specialist is satisfied with high availability and fast failover, but is concerned about performance degradation after failover. How can the database specialist minimize the performance degradation after failover?

Options

  • AEnable cluster cache management for the Aurora DB cluster and set the promotion priority for the
  • BEnable cluster cache management tor the Aurora DB cluster and set the promotion priority for the
  • CEnable Query Plan Management for the Aurora DB cluster and perform a manual plan capture
  • DEnable Query Plan Management for the Aurora DB cluster and force the query optimizer to use

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Topics

#Aurora PostgreSQL#failover performance#cluster cache management#high availability
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