sollhui opened a new pull request, #63576:
URL: https://github.com/apache/doris/pull/63576
### What problem does this PR solve?
Problem Summary:
Before this change, FE only exposed aggregate routine load metrics, such as
total loaded rows, error rows, received bytes, task execution time, progress,
lag, and aborted task count across all routine load jobs. These metrics were
useful for observing the whole FE, but they could not identify which routine
load job contributed to a spike, lag, or abnormal error/task count.
This change adds per-job routine load metrics. Each metric is exported with
`job_id` and `job_name` labels, so users can inspect the status of a single
routine load job from the FE metrics endpoint.
The new metrics are:
- `doris_fe_routine_load_per_job_total_rows`
- `doris_fe_routine_load_per_job_error_rows`
- `doris_fe_routine_load_per_job_received_bytes`
- `doris_fe_routine_load_per_job_task_execute_time`
- `doris_fe_routine_load_per_job_task_execute_count`
- `doris_fe_routine_load_per_job_progress`
- `doris_fe_routine_load_per_job_lag`
- `doris_fe_routine_load_per_job_abort_task_num`
Example query from FE metrics endpoint:
```shell
curl http://<fe_host>:<http_port>/metrics | grep routine_load_per_job
```
Example Prometheus query:
```
doris_fe_routine_load_per_job_lag{job_name="your_routine_load_job"}
```
### Release note
None
### Check List (For Author)
- Test <!-- At least one of them must be included. -->
- [ ] Regression test
- [ ] 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.
- [ ] Yes. <!-- Explain the behavior change -->
- Does this need documentation?
- [ ] 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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