Nitin-Kashyap opened a new pull request, #47907:
URL: https://github.com/apache/doris/pull/47907
### What problem does this PR solve?
When nginx enables proxy_protocol, and use health "check type=mysql"; causes
check to fail.
Since, per mysql-protocol client expects server params on connect without
any transmission from client, However, ProxyProtocol enabled case server
expects PROXY v1/v2 header.
when nginx enables health check with type=mysql; without protocol header
connection attempt is done, which will block for 600s. Effectively deselected
for connection from nginx.
Issue Number: close #xxx
Related PR: #xxx
Problem Summary:
### Release note
None
### Check List (For Author)
- Test <!-- At least one of them must be included. -->
- [ ] Regression test
- [x] Unit Test
- [ ] Manual test (add detailed scripts or steps below)
- [ ] No need to test or manual test. Explain why:
- [ ] This is a refactor/code format and no logic has been changed.
- [ ] Previous test can cover this change.
- [ ] No code files have been changed.
- [ ] Other reason <!-- Add your reason? -->
- Behavior changed:
- [ ] No.
- [x] Yes. <!-- Explain the behavior change -->
When `enable_proxy_protocol=true`, On direct connection to FE
will have 1s wait on initial connection.
- Does this need documentation?
- [x] No.
- [ ] Yes. <!-- Add document PR link here. eg:
https://github.com/apache/doris-website/pull/1214 -->
### Check List (For Reviewer who merge this PR)
- [ ] Confirm the release note
- [ ] Confirm test cases
- [ ] Confirm document
- [ ] Add branch pick label <!-- Add branch pick label that this PR should
merge into -->
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