deardeng opened a new pull request, #60490:
URL: https://github.com/apache/doris/pull/60490
K8S uses stdout to capture logs. When service crashes, it tries to output
crash stack to .out file. Previously, it could not output to .out file
correctly. This patch standardizes the log output behavior for both BE and
Cloud components:
1. --daemon mode: output logs to .info file and crash stack to .out file
2. --console mode: 2.1 enable_file_logger = true: output all logs to console
(stdout) and to .info file, crash stack to .out file 2.2 enable_file_logger =
false: output all logs to console (stdout) and crash stack to .out file
Changes:
- Implement StdoutLogSink for custom log format output to stdout in K8S
- Modify console mode redirection in start scripts to separate stdout/stderr
- Add shutdown_logging() function to properly clean up LogSink resources
- Add shutdown_logging() calls in main() functions for graceful shutdown
- Add comprehensive unit tests for both Cloud and BE components
This ensures crash stack is always saved to .out file for debugging, while
normal logs can be captured by K8S logging infrastructure.
### What problem does this PR solve?
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:
- [x] No.
- [ ] Yes. <!-- Explain the behavior change -->
- 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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