Github user StephanEwen commented on the issue:
https://github.com/apache/flink/pull/2345
The "full async" takes more time but runs completely in the background, so
performs better in most cases than "semi async".
---
If your project is set up for it, you can reply to this email and have your
reply appear on GitHub as well. If your project does not have this feature
enabled and wishes so, or if the feature is enabled but not working, please
contact infrastructure at infrastruct...@apache.org or file a JIRA ticket
with INFRA.
---
