924060929 opened a new pull request, #35010:
URL: https://github.com/apache/doris/pull/35010
## Proposed changes
embed async profiler to help user generate flame graph for frontend
There has a script file `${FE_DEPLOY_PATH}/bin/profile_fe.sh` do the profile:
This is the example:
```shell
$ PROFILE_SECONDS=1 bin/profile_fe.sh
DORIS_HOME: /Users/lanhuajian/github/doris/output/fe
JAVA:
/Users/lanhuajian/Library/Java/JavaVirtualMachines/corretto-17.0.10/Contents/Home/bin/java
DorisFE pid: 29494
Begin profiling 1 seconds and generate flame graph to
/Users/lanhuajian/github/doris/output/fe/log/profile_20240517154934.html...
Profiling for 1 seconds
Done
Generated flame graph to
/Users/lanhuajian/github/doris/output/fe/log/profile_20240517154934.html
```
You open the generated html file to troubleshooting performance issues
**Note**: this profiler use the `async-profiler` tool, so it only support in
Linux and MaxOS
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