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DBS-C01 · Question #301

A database specialist observes several idle connections in an Amazon RDS for MySQL DB instance. The DB instance is using RDS Proxy. An application is configured to connect to the proxy endpoint…

The correct answer is C. Modify the MaxIdleConnectionsPercent parameter for the RDS proxy. https://docs.aws.amazon.com/AmazonRDS/latest/UserGuide/rds-proxy-managing.html#rds- proxy-connection-pooling-tuning.maxidleconnectionspercent

Submitted by amina.ke· Mar 6, 2026Management and Operations

Question

A database specialist observes several idle connections in an Amazon RDS for MySQL DB instance. The DB instance is using RDS Proxy. An application is configured to connect to the proxy endpoint. What should the database specialist do to control the idle connections in the database?

Options

  • AModify the MaxConnectionsPercent parameter through the RDS Proxy console.
  • BUse CALL mysql.rds_kill(thread-id) for the IDLE threads that are returned from the SHOW FULL
  • CModify the MaxIdleConnectionsPercent parameter for the RDS proxy.
  • DModify the max_connections configuration setting for the DB instance. Modify the

How the community answered

(30 responses)
  • A
    3% (1)
  • B
    10% (3)
  • C
    80% (24)
  • D
    7% (2)

Explanation

https://docs.aws.amazon.com/AmazonRDS/latest/UserGuide/rds-proxy-managing.html#rds- proxy-connection-pooling-tuning.maxidleconnectionspercent

Topics

#RDS Proxy#connection pooling#idle connections#database management

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