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How Do I Select an Image?

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Язык статьи: Английский

When creating an ECS, you can select an image based on the following factors:

Image Type

Images are classified into public images, private images, and shared images. A private image can be a system disk image, data disk image, or full-ECS image. For details, see What Is Image Management Service?

OS

When selecting an OS, consider the following factors:

Architecture types

System Architecture	Applicable Memory	Constraints
32-bit	Smaller than 4 GB	If the instance memory is greater than 4 GB, a 32-bit OS cannot be used. A 32-bit OS only allows addressing within a 4 GB memory range. An OS with more than 4 GB memory cannot be accessed.
64-bit	4 GB or larger	If your application requires more than 4 GB of memory or the memory may need to be expanded to more than 4 GB, use a 64-bit OS.

OS types

OS Type	Applicable Scenario	Constraints
Windows	Programs developed for Windows (for example, .NET). Databases such as SQL Server. (You need to install the database.)	The system disk must be at least 40 GB, and there must be at least 1 GB of memory.
Linux	High-performance server applications (for example, Web) and common programming languages such as PHP and Python Databases such as MySQL. (You need to install the database.)	The system disk must be at least 40 GB, and there must be at least 512 MB of memory.

Parent topic: Image Consulting

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