Refreshes the cache for the specified file share. This operation finds objects in the Amazon S3 bucket that were added, removed or replaced since the gateway last listed the bucket's contents and cached the results. This operation is only supported in the file gateway type. You can subscribe to be notified through an Amazon CloudWatch event when your RefreshCache operation completes. For more information, see Getting Notified About File Operations
When this API is called, it only initiates the refresh operation. When the API call completes and returns a success code, it doesn't necessarily mean that the file refresh has completed. You should use the refresh-complete notification to determine that the operation has completed before you check for new files on the gateway file share. You can subscribe to be notified through an CloudWatch event when your
Throttle limit: This API is asynchronous so the gateway will accept no more than two refreshes at any time. We recommend using the refresh-complete CloudWatch event notification before issuing additional requests. For more information, see Getting Notified About File Operations
If you invoke the RefreshCache API when two requests are already being processed, any new request will cause an
error because too many requests were sent to the server.
For more information, see "https://docs.aws.amazon.com/storagegateway/latest/userguide/monitoring-file-gateway.html#get-notification".