Compute Instance

As the main processing resource of the cloud, a Compute Instance handles various computational tasks. To draw a comparison with general-purpose computing, a Compute Instance is equivalent to a PC (Personal Computer). For it to function completely, it must be combined with other resources to fulfill the core components of compute, storage, and networking:

• Compute Instance: Represents the compute component, which includes the CPU (Central Processing Unit) and RAM (Random-Access Memory) of a PC.

• Volume: Represents the storage component, analogous to an HDD (Hard Disk Drive) or SSD (Solid State Drive).

• Network Port: Represents the network component, acting like a LAN (Local Area Network) cable that connects the PC to a network.

Compute Instances are known by various names depending on the cloud provider, such as server, EC2 (Elastic Compute Cloud), ECS (Elastic Cloud Server), or VM (Virtual Machine).

Compute Instance Status

The status of a Compute Instance is divided into two types:

• Compute Instance status: Describes the current state of the Compute Instance itself.

• OS status: Describes the state of the Operating System. This can only be displayed if the Compute Instance has the QEMU Guest Agent installed. If the Operating System is functioning normally, it will show as Healthy. If the Operating System is not running correctly, it will show as Unhealthy. Read more at What is OS Status?

After a Compute Instance is launched and becomes active, there is a brief period where the OS is not yet ready, and the OS status may show as unhealthy. If there are no issues with the OS, it will automatically become Healthy after a short while.

Read more at Compute Instance

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