When Creating a Notebook Instance, What Is the Difference If You Select or Do Not Select a Storage Path? Which Directories Can Store Big Data?
Selecting an Instance with a Storage Path (EVS or OBS)
The storage path for a Notebook instance can be OBS or EVS.
- OBS
All files in the notebook list are read and written based on the content in the selected OBS path. Any additions, modifications, or deletions are performed on the content in the corresponding OBS path. The operations are not related to the instance space. To synchronize the content to the instance space, select the content and click Sync OBS to synchronize the selected content to the container space. For details about how to use the Sync OBS function, see Using the Sync OBS Function.
- EVS
All files in the notebook list are read and written based on the content in the selected EVS path. Any additions, modifications, or deletions are performed on the content in the corresponding EVS path. The operations are not related to the instance space. The default disk space is 5 GB, and there is no charge for this storage. If the disk space exceeds 5 GB, the additional space is charged by GB from the time when a notebook instance is created to the time the notebook instance is deleted. By default, ModelArts uses the ultra-high I/O EVS disks and cannot be modified. If the disk space exceeds 5 GB, the additional space is billed based on ultra-high I/O EVS pricing. If EVS is used, you can mount your data to the ~/work directory.
The notebook instance of the EVS type does not support the Sync OBS function. If you store objects in OBS, you can perform MoXing file operations to access the objects.
If big data needs to be stored, EVS is recommended.
Instance Without a Specified Storage Path
The read and write operations on all files in the notebook list are performed on the content in the container, and are not related to OBS or EVS. If you store objects in OBS, you can use the MoXing APIs to access the objects. The default storage space is 5 GB.
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