Github user zwoop commented on the issue:
https://github.com/apache/trafficserver/pull/918
Be careful when eliminating try_to_expand_host_name(), I recently
discovered that this function also deals with DNS failures in parent selection.
I'm +1 on removing (or renaming) this method, but it can't just be blindly
removed.
---
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 [email protected] or file a JIRA ticket
with INFRA.
---