tree 2414009c660049e0b5e813e1c7ea2e02a2f1ed8b
parent c86ce4b9c0b6893370a6e8577c5c572023efcc12
author Ruslan Ermilov <ru@nginx.com> 1432151040 +0300
committer Ruslan Ermilov <ru@nginx.com> 1432151040 +0300

Upstream: report to error_log when max_fails is reached.

This can be useful to understand why "no live upstreams" happens,
in particular.