| # Concurrent Upload | |
| This example will show how to perform upload concurrently to a storage service. | |
| ## Setup | |
| Refer [Setup](../README.md) to setup all examples. | |
| ## Run | |
| Use `OPENDAL_TEST` to control which service to run example: | |
| ```shell | |
| OPENDAL_TEST=s3 cargo run | |
| ``` |