Image Search enforces the following limits. To request a limit increase for adjustable limits, submit a ticket or email imagesearch-support@alibaba-inc.com.
Maximum image capacity of each instance
Set the maximum image capacity for an instance at purchase time. The available capacity options are:
| Capacity |
|---|
| 0.1 million images |
| 2.5 million images |
| 5 million images |
| 10 million images |
| 20 million images |
| 30 million images |
| 40 million images |
| 50 million images |
This is an adjustable limit. To increase capacity, submit a ticket or email imagesearch-support@alibaba-inc.com.
Concurrency limit
The following limits apply per instance. Image Search enforces throttling when any of these limits are exceeded.
| Operation | Default limit | Configurable? |
|---|---|---|
| Query (search) | 5 or 10 queries per second (QPS) | Yes — select on the buy page using the Queries/sec parameter |
| Add images | 5 requests/second | Yes — submit a ticket to increase |
| Delete images | 20 requests/second | Yes — submit a ticket to increase |
Images
The following limits apply to product image searches and generic image searches.
| Requirement | Limit |
|---|---|
| Minimum dimensions | 100 x 100 pixels |
| Maximum dimensions | 4,096 x 4,096 pixels |
| Maximum file size | 4 MB |
| Supported formats | PNG, JPG, JPEG, BMP, GIF, WEBP, TIFF, PPM |
For fabric search, the image height and width must both be greater than or equal to 448 pixels and less than or equal to 4,096 pixels.
Maximum length of each API request body
For HTTP POST requests, the request body cannot exceed 8 MB.
Maximum returned results of each request
Each request returns a maximum of 100 results. With pagination, you can retrieve up to the top 500 matched results across multiple requests.