Limitations of object storage

Last update: November 19 2024

Limitations of object storage

We recommend uploading objects larger than 100 MB using the segmented loading through S3 API or Swift API.

Storage limits and container limits you set up on your own.

Limitations of storage entities⁠

If the limit is exceeded, the server will return a response with the code 429 Too Many Requests and a message Rate Limit exceeded.

Containers

Maximum number of containers in a project	2000*
Maximum number of containers with Virtual-Hosted addressing in a project	100 (under 2000)
Maximum container name size	128 UTF-8 characters
Maximum size of the access policy	20 KB.
Maximum number of objects in a container	Not limited

* The first 1000 containers are displayed in the dashboard. If there are more containers, you can view the full list through the API.

Objects

Maximum object size	50 TB.
Maximum object name size	1024 UTF-8 characters
Minimum size of data to be downloaded in one request	0 bytes
Maximum size of data to be downloaded per request	5 GB.
Minimum segment size for segmented loading	1 byte
Maximum number of segments for segmented loading	10 000

Headings

Maximum size of all headers/metadata per account/container/object in the request body	8 KB
Maximum size of all headers/metadata of the view X-Account-Meta-$Name, X-Container-Meta-$Name, X-Object-Meta-$Name	4 KB
Maximum number of headers per account, container, or object	90
Maximum header name size	64 UTF-8 characters
Maximum number of characters in the title value	256 UTF-8 characters
Maximum total header size	320 UTF-8 characters (64 characters + 256 characters)

Limitations of API requests⁠

Restrictions on API requests apply to the entire account.

S3 API

Type of requests	Limit (requests per second)	Message from the server
All inquiries	2000	Too many authorized requests
GET + HEAD	1000	Too many GET requests
POST	200	Too many POST requests
PUT	300	Too many PUT requests
DELETE	300	Too many DELETE requests

Swift API

Type of requests	Limit (requests per second)	Message from the server
All inquiries	2000	Too many authorized requests
GET + HEAD	1000	Too many GET requests
POST	300	Too many POST requests
PUT (without X-Copy-Form)	300	Too many PUT requests
PUT (with X-Copy-Form)	200	Too many PUT requests
COPY	200	Too many COPY requests
DELETE	300	Too many DELETE requests