API Gateway Quiesce Mode
About this task
You must perform this operation in the old API Gateway instance.
Quiescing API Gateway temporarily disables access to the API Gateway server. When the API Gateway server access is disabled, you can perform the required upgrade tasks while the API Gateway server is not connected to any external resources. For more information on quiesce mode, see Quiesce Mode.
While flushing the performance, license, and quota metrics data, API Gateway performs the following operations:
- Resets performance and license metrics intervals for all the APIs and stores the data in the Elasticsearch or API Data Store.
- Stores the subscription quota in the Elasticsearch or API Data Store.
When all the performance metrics and other data are flushed completely, quiesce mode is enabled for all the API Gateway nodes, and a notification is sent through a webhook event.
To operate API Gateway in quiesce mode, execute the following steps: