With https://github.com/coreos/clair/pull/278 and https://github.com/coreos/clair/pull/279, performance of this API call has increased. It has been observed that querying 100 or 1000 layers page doesn't noticeably change the execution time. Therefore, doing significantly less calls will reduce the overall processing time for each notification.
Fixes#1301
- Ensures that the worker uses pagination properly
- Ensures that the worker handles failure as expected
- Moves marking the notification as read to after the worker processes it
- Increases the number of layers requested to 100