A company is using Amazon EFS for a big data analytics workload. Hundreds of EC2 instances are reading and writing to the file system simultaneously. The application is experiencing high latency. Which EFS performance mode should be used?

Answer options:

General Purpose performance mode

Max I/O performance mode

Provisioned Throughput mode

Bursting Throughput mode

How to approach this question

Match 'hundreds of instances' and 'big data' to the EFS mode.

Full Answer

B.Max I/O performance mode✓ Correct

Max I/O performance mode

Amazon EFS Max I/O performance mode is designed for highly parallelized applications and workloads, such as big data analysis, media processing, and genomic analysis. It scales to higher levels of aggregate throughput and operations per second.

Common mistakes

Confusing Performance Modes (General/Max I/O) with Throughput Modes (Bursting/Provisioned).

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