AWS Certified Solutions Architect Associate SAA-C03 Practice Question
Which action will increase the baseline IOPS performance of an existing Amazon EBS General Purpose SSD (gp2) volume without migrating the data to another volume type?
Change the file-system block size from 4 KB to 8 KB.
With gp2, baseline performance is tied to volume size at a rate of 3 IOPS per GiB (minimum 100 IOPS, maximum 16 000 IOPS). Increasing the size of the volume-using Elastic Volumes or the console-therefore raises its baseline IOPS. Enabling Multi-Attach is only available on io1/io2 volumes, modifying the instance or file-system parameters does not change the volume's provisioned IOPS.
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