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Please help to check the highlight in the below screenshots, they are same charge (7.11 USD) per month. But with custom specification, it's showing 2 vCPU, while with preset instance (e2-micro), it's 0.25 vCPU. So which value is correct?
Hello @nhthai2207 ,Welcome on Google Cloud Community.
Both values are correct, but depends of your choice.
e2-micro Instance:
Preset Instance Type: The e2-micro is a predefined machine type offered by GCP.
vCPU Allocation: The e2-micro instance is allocated 0.25 vCPUs. This means it shares a physical CPU core with other instances, effectively receiving a quarter of the processing power of a full vCPU.
Custom Specification:
Custom Machine Type: When you configure a custom machine type, you can specify the exact number of vCPUs and amount of memory according to your needs.
vCPU Allocation: If you set up a custom specification and choose 2 vCPUs, you are requesting and will be allocated two full virtual CPUs for your instance.
Which Value is Correct?
For e2-micro: The correct value is 0.25 vCPU as defined by the preset instance type provided by GCP. This instance type is designed to be cost-effective and suitable for small workloads.
For Custom Specification: If you explicitly configure an instance with 2 vCPUs, then the correct value is 2 vCPUs. This setup is intended for more demanding workloads requiring more processing power.
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