Answer-first summary for fast verification
Answer: Configure fast snapshot restore (FSR) on the snapshots used.
When restoring EBS from snapshots, initial performance is lower until data is loaded (lazy loading). Fast Snapshot Restore (FSR) pre-warms the data, providing full performance immediately on restore, especially useful for Spot instances that start quickly.
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EBS volumes restored from snapshots are performing below expected IOPS when EC2 Spot Instances start. How should this be resolved?
A
Configure fast snapshot restore (FSR) on the snapshots used.
B
Restore onto an unencrypted volume; encrypt after performance stabilizes.
C
Format EBS volumes as XFS before restoring snapshots.
D
Increase the Linux read-ahead buffer to 1 MiB.
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