Github user sudheerv commented on the pull request:
https://github.com/apache/trafficserver/pull/609#issuecomment-215995836
In the HTTP equivalent, returning stale data on error is not
stale-while-revalidate (SWR); it is a somewhat related, but, independent
feature called stale-if-error (SIE).
---
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.
---
