You have an application on a general-purpose Compute Engine instance that is experiencing excessive disk read throttling on its Zonal SSD Persistent Disk. The application primarily reads large files…

The correct answer is C. Migrate to use a Local SSD on the instance. Local SSDs are physically attached to the server that hosts your VM instance. Local SSDs have higher throughput and lower latency than standard persistent disks or SSD persistent disks. The performance gains from local SSDs require certain trade-offs in availability…

Submitted by marco_it· Mar 30, 2026Planning and configuring a cloud solution

Question

You have an application on a general-purpose Compute Engine instance that is experiencing excessive disk read throttling on its Zonal SSD Persistent Disk. The application primarily reads large files from disk. The disk size is currently 350 GB. You want to provide the maximum amount of throughput while minimizing costs. What should you do?

Options

AIncrease the size of the disk to 1 TB.
BIncrease the allocated CPU to the instance.
CMigrate to use a Local SSD on the instance.
DMigrate to use a Regional SSD on the instance.

How the community answered

(20 responses)

A
5% (1)
B
5% (1)
C
75% (15)
D
15% (3)

Explanation

Local SSDs are physically attached to the server that hosts your VM instance. Local SSDs have higher throughput and lower latency than standard persistent disks or SSD persistent disks. The performance gains from local SSDs require certain trade-offs in availability, durability, and flexibility. Because of these trade-offs, Local SSD storage isn’t automatically replicated and all data on the local SSD might be lost if the instance terminates for any reason. Ref: https://cloud.google.com/compute/docs/disks#localssds Ref: https://cloud.google.com/compute/docs/disks/performance#type_comparison

Topics

#Local SSD#disk throughput#persistent disk performance#cost optimization

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