membphis commented on issue #3342: URL: https://github.com/apache/apisix/issues/3342#issuecomment-763501279
`502` means the upstream is running but cannot respond to requests normally `503` means the upstream can not working (stoped or restarting) so I think we should use `503` if there is no healthy upstream node. ---------------------------------------------------------------- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. For queries about this service, please contact Infrastructure at: us...@infra.apache.org
