Traffic migration switches the request routing between the versions within a service of your application, moving traffic from one or more versions to a single new version.Traffic is migrated immediately between your versions in the flexible environment.
If you want to split traffic between two or more versions of your application, see Traffic Splitting.
Migrating traffic to a new version
To migrate traffic in the Cloud Platform Console, go to the Versions page:
- Select the version to which you want to migrate 100% of the traffic.
- Click Migrate traffic.
To migrate traffic immediately:
gcloud app services set-traffic [MY_SERVICE] --splits [MY_VERSION]=1
To programmatically migrate traffic, you can use the Admin API, see Migrating and Splitting Traffic for details.